CN216153455U - Writing pen with dust-free board - Google Patents

Abstract

The utility model relates to the field of teaching appliances, and discloses a dustless board writing pen, which comprises: the pen body shell, the pen point and the liquid passing assembly; the two ends of the inner cavity of the pen body shell are respectively and correspondingly provided with a liquid storage front cavity and a liquid storage rear cavity, one end of the pen point penetrates into the liquid storage front cavity, the other end of the pen point is a writing end, and writing liquid is filled in the liquid storage rear cavity; the liquid passing assembly comprises a pressing valve and a liquid passing component, a liquid inlet of the pressing valve penetrates into the liquid storage rear cavity, a pressing end of the liquid passing component is abutted with a corresponding end of the pen point, the liquid passing component is sleeved outside the pen point and the pressing end of the pressing valve, and the corresponding end of the liquid passing component is abutted with a liquid outlet of the pressing valve; through pressing the nib, drive and press the valve action, with the writing liquid conduction of stock solution rear chamber to stock solution front chamber, absorbed the storage by crossing liquid part, the easy disconnected problem of liquid of pen is write in the supply of nib to the persistence again, can not export too much writing liquid to the nib outward, causes the problem of polluting dustless board, sparingly writes liquid, and the practicality is stronger.

Description

Writing pen with dust-free board

Technical Field

The utility model relates to the field of teaching aids, in particular to a writing pen for writing on a dust-free board.

Background

In the traditional blackboard teaching, a large amount of dust is generated in the writing and erasing processes, the body is adversely affected after the dust is sucked, and the dust is deposited and accumulated as dust, so that the blackboard is dirty and messy; therefore, the dust-free board is suitable for transportation, and compared with the traditional blackboard, the dust-free board does not generate dust in the writing process and the erasing process, does not influence the environment, and is favored by users.

However, the conventional writing pen matched with the dust-free plate has the problems of unsmooth writing and easy liquid break, and the use experience is influenced.

Therefore, how to provide a writing pen which can write smoothly and continuously is a problem which needs to be solved urgently by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

Accordingly, the present invention is directed to a writing pen without a dust plate, which solves at least some of the above problems of the prior art.

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

a dust free board writing pen comprising: the pen body shell, the pen point and the liquid passing assembly;

the two ends of the inner cavity of the pen body shell are respectively and correspondingly provided with a liquid storage front cavity and a liquid storage rear cavity, and the end part of the liquid storage front cavity is provided with a pen point hole; one end of the pen point penetrates into the liquid storage front cavity along the pen point hole, the other end of the pen point is a writing end, and the liquid storage rear cavity is filled with writing liquid;

the liquid passing assembly comprises a pressing valve and a liquid passing component, a liquid inlet of the pressing valve penetrates into the rear cavity of the liquid storage, a pressing end of the pressing valve is abutted to a corresponding end of the pen point, the liquid passing component is sleeved outside the pressing end of the pen point and the pressing valve, and the corresponding end of the liquid passing component is abutted to a liquid outlet of the pressing valve.

Compared with the prior art, the utility model discloses a dustless board writing pen, which has the advantages that:

set up and press the valve and cross the liquid part, can drive through pressing the nib and press the valve action, with the writing liquid conduction of stock solution rear chamber to the stock solution front chamber, absorbed by crossing the liquid part and store, the problem of writing the easy disconnected liquid of pen is solved to the nib supply writing liquid of continuation again, can not lead to the fact the problem of polluting dustless board to the outside too much writing liquid of exporting of nib, sparingly writes liquid, more economical and practical.

Preferably, in the above-described dustless board writing pen, the pressing valve includes a valve body, a valve cap, a pressing column, and a spring;

the valve body is a conical shell with an opening at one end, a liquid inlet hole I is formed in the side wall of the valve body, a sliding hole is formed in the valve cover, a plurality of liquid outlets are formed in the outer side of the sliding hole and are fastened at the opening end of the valve body, two ends of the pressing column are respectively corresponding to a supporting column and a liquid passing pipe, and a limiting ring I is arranged at the intersection; it has feed liquor hole two to open to cross the lateral wall of liquid pipe, the support column with first the setting of spacing ring is in the valve body, just first the spacing ring with the slide opening corresponds, cross the liquid pipe along the slide opening is worn out and sliding connection with it, the support column with the spring sets up the tip of support column with between the inner wall of valve body, the corresponding end of nib with cross the liquid pipe butt, cross the liquid part cover and establish the nib with the outside of support column, and its corresponding end butt is in the liquid outlet position of valve gap.

Preferably, in the above-mentioned dustless board writing pen, the liquid passing member is a tubular sponge.

Preferably, in the writing pen with the dust-free plate, the pen body shell is split and comprises a liquid storage front cabin, a liquid storage rear cabin and a rear cover; the pen point hole is formed in one end of the liquid storage front cabin, the other end of the liquid storage front cabin is an opening end, and the liquid storage rear cabin is of a tubular structure with two open ends;

the front liquid storage cabin and the rear liquid storage cabin are connected at corresponding ends in a screwing mode, and the rear cover is buckled at the corresponding end of the rear liquid storage cabin; the open end of the valve body is provided with a second limiting ring, the second limiting ring is arranged between the front liquid storage cabin and the rear liquid storage cabin, and the liquid passing part and the corresponding end of the pen point are located in the front liquid storage cabin.

Preferably, in the above dustless board writing pen, a stirring ball for stirring writing liquid is disposed in the liquid storage rear chamber.

Preferably, in the above dustless board writing pen, the writing pen further comprises a pen cap, the bottom of the pen cap is of a double-layer structure, a liquid storage tank is arranged at the bottom of the pen cap, and a plurality of air holes are formed in the edge of the bottom of the pen cap.

Preferably, in the above dustless board writing pen, a scale mark for monitoring the writing liquid remaining amount is provided on the side wall of the liquid storage rear compartment.

Preferably, in the dustless board writing pen, the liquid passing component is made of polyethylene material; the stirring beads are glass beads; the nib is the nib of ya keli material.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic structural view of a valve body according to the present invention;

FIG. 4 is a schematic structural view of a valve cover according to the present invention;

FIG. 5 is a schematic view of the structure of the pressing column of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Please refer to fig. 1-5, which are a writing pen with a dust-free plate according to the present invention, comprising: the pen body comprises a pen body shell 1, a pen point 2 and a liquid passing assembly 3;

two ends of the inner cavity of the pen body shell 1 are respectively and correspondingly provided with a liquid storage front cavity and a liquid storage rear cavity, and the end part of the liquid storage front cavity is provided with a pen point hole; one end of the pen point 2 penetrates into the liquid storage front cavity along the pen point hole, the other end of the pen point is a writing end, and the liquid storage rear cavity is filled with writing liquid;

the liquid passing assembly 3 comprises a pressing valve 30 and a liquid passing component 31, a liquid inlet of the pressing valve 30 penetrates into a rear cavity of the liquid storage, a pressing end of the liquid passing component is abutted to a corresponding end of the pen point 2, the liquid passing component 31 is sleeved outside the pressing end of the pen point 2 and the pressing valve 30, and the corresponding end of the liquid passing component is abutted to a liquid outlet 3011 of the pressing valve 30.

In order to further optimize the technical scheme, the pressing valve 30 comprises a valve body 300, a valve cover 301, a pressing column 302 and a spring 303;

the valve body 300 is a conical shell with an opening at one end, a liquid inlet hole I3000 is formed in the side wall of the conical shell, a sliding hole 3010 is formed in the valve cover 301, a plurality of liquid outlets 3011 are formed in the outer side of the sliding hole 3010 and are buckled at the opening end of the valve body 300, two ends of the pressing column 302 are respectively corresponding to a supporting column and a liquid passing tube, and a first limiting ring is arranged at the intersection; the side wall of the liquid passing pipe is provided with a liquid inlet hole II 3020, the support column and the limit ring I are arranged in the valve body 300, the limit ring I corresponds to the slide hole 3010, the liquid passing pipe penetrates out of the slide hole 3010 and is in sliding connection with the slide hole 3010, the support column and the spring 303 are arranged between the end of the support column and the inner wall of the valve body 300, the corresponding end of the pen point 2 is abutted to the liquid passing pipe, the liquid passing part 31 is sleeved on the outer sides of the pen point 2 and the support column, and the corresponding end of the liquid passing part is abutted to the liquid outlet position of the valve cover 301.

In order to further optimize the above technical solution, the liquid passing member 31 is a tubular sponge.

In order to further optimize the technical scheme, the pen body shell 1 is split and comprises a liquid storage front cabin 10, a liquid storage rear cabin 11 and a rear cover 12; one end of the front liquid storage cabin 10 is provided with a pen point hole, the other end of the front liquid storage cabin is an opening end, and the rear liquid storage cabin 11 is of a tubular structure with two open ends;

the front liquid storage cabin 10 and the rear liquid storage cabin 11 are screwed at corresponding ends, and the rear cover 12 is buckled at the corresponding end of the rear liquid storage cabin 11; the open end of the valve body 300 is provided with a second limiting ring and is arranged between the front liquid storage cabin 10 and the rear liquid storage cabin 11 through the second limiting ring, and the corresponding ends of the liquid passing part 31 and the pen point 2 are positioned in the front liquid storage cabin 10.

In order to further optimize the technical scheme, a stirring bead 4 for stirring the writing liquid is arranged in the liquid storage rear cabin 11.

In order to further optimize the technical scheme, the novel pen cap further comprises a pen cap 5, the bottom of the pen cap 5 is of a double-layer structure, a liquid storage tank is arranged at the bottom of the pen cap 5, and a plurality of air holes are formed in the edge of the bottom of the pen cap.

In order to further optimize the above technical solution, the side wall of the rear liquid storage compartment 11 is provided with a scale mark 110 for monitoring the writing liquid allowance.

In order to further optimize the technical scheme, the liquid passing component 31 is made of polyethylene material; the stirring beads 4 are glass beads; the pen point 2 is made of acrylic materials.

Specifically, the use principle of the utility model is as follows:

during the use, rock body casing 1, make the stirring pearl stir writing liquid in stock solution rear deck 11, carry out through pressing the nib 2, the post 302 of pressing that promotes press valve 3 removes in to valve body 300, spring 303 produces deformation, writing liquid gets into valve body 300 from stock solution rear deck 11, and get into stock solution front deck 10 from the liquid outlet and cross the liquid pipe, absorbed the storage by crossing liquid part 31, wherein nib 2 is soaked to the fractional part writing liquid, can write on dustless board.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. A dust-free board writing pen, comprising: the pen body comprises a pen body shell (1), a pen head (2) and a liquid passing assembly (3);

two ends of the inner cavity of the pen body shell (1) are respectively and correspondingly provided with a liquid storage front cavity and a liquid storage rear cavity, and the end part of the liquid storage front cavity is provided with a pen point hole; one end of the pen point (2) penetrates into the liquid storage front cavity along the pen point hole, the other end of the pen point is a writing end, and writing liquid is filled in the liquid storage rear cavity;

the liquid passing assembly (3) comprises a pressing valve (30) and a liquid passing component (31), a liquid inlet of the pressing valve (30) penetrates into the rear cavity of the liquid storage, a pressing end of the liquid passing component is abutted to a corresponding end of the pen point (2), the liquid passing component (31) is sleeved outside the pressing end of the pen point (2) and the pressing valve (30), and the corresponding end of the liquid passing component is abutted to a liquid outlet (3011) of the pressing valve (30).

2. A dust-free board writing pen according to claim 1, wherein the pressing valve (30) comprises a valve body (300), a valve cover (301), a pressing post (302) and a spring (303);

the valve body (300) is a conical shell with an opening at one end, a liquid inlet hole I (3000) is formed in the side wall of the conical shell, a sliding hole (3010) is formed in the valve cover (301), a plurality of liquid outlets (3011) are formed in the outer side of the sliding hole (3010) and are buckled at the opening end of the valve body (300), two ends of the pressing column (302) are respectively corresponding to a supporting column and a liquid passing pipe, and a limiting ring I is arranged at the intersection; it has feed liquor hole two (3020) to open the lateral wall of liquid passing pipe, the support column with a spacing ring sets up in valve body (300), just a spacing ring with slide opening (3010) correspond, the liquid passing pipe is followed slide opening (3010) are worn out and sliding connection with it, the support column with spring (303) set up the tip of support column with between the inner wall of valve body (300), the corresponding end of nib (2) with liquid passing pipe butt, it establishes to cross liquid spare (31) cover nib (2) with the outside of support column, and its corresponding end butt is in the liquid outlet position of valve gap (301).

3. A dust-free board writing pen according to claim 2, wherein the liquid passing member (31) is a tubular sponge.

4. A dust-free board writing pen according to claim 3, wherein the pen body casing (1) is split, and comprises a liquid storage front cabin (10), a liquid storage rear cabin (11) and a rear cover (12); one end of the liquid storage front cabin (10) is provided with the pen point hole, the other end of the liquid storage front cabin is an opening end, and the liquid storage rear cabin (11) is of a tubular structure with two open ends;

the front liquid storage cabin (10) and the rear liquid storage cabin (11) are screwed at corresponding ends, and the rear cover (12) is buckled at the corresponding end of the rear liquid storage cabin (11); the open end of the valve body (300) is provided with a second limiting ring, the second limiting ring is arranged between the front liquid storage cabin (10) and the rear liquid storage cabin (11), and the corresponding ends of the liquid passing component (31) and the pen point (2) are located in the front liquid storage cabin (10).

5. A dust-free writing pen on board as claimed in claim 4, wherein the rear liquid storage compartment (11) is provided with a stirring ball (4) for stirring the writing liquid.

6. A dust-free board writing pen as claimed in claim 5, further comprising a pen cap (5), wherein the bottom of the pen cap (5) is a double-layer structure, a liquid storage tank is arranged at the bottom of the pen cap, and a plurality of air holes are arranged at the edge of the bottom of the pen cap.

7. A dust-free writing pen on a blackboard according to claim 6, wherein the side wall of the rear liquid storage compartment (11) is provided with scale marks (110) for monitoring the residual amount of the writing liquid.

8. A dust-free writing board as claimed in claim 7, wherein the liquid passing member (31) is made of polyethylene material; the stirring beads (4) are glass beads; the pen point (2) is made of acrylic materials.

Images