CN215621025U - Liquid leakage prevention marking pen with double-bead structure - Google Patents

Abstract

A liquid leakage prevention marking pen with a double-ball structure comprises a pen holder, wherein one end of the pen holder is provided with a plug, the other end of the pen holder is provided with a double-ball liquid outlet structure, and ink is stored in the pen holder; the double-ball liquid outlet structure comprises a support arranged in a pen holder, wherein an ink flowing hole is formed in the support, a ball limiting rod is arranged on one side of the support, which faces a writing end, a first ball is arranged at the outer end of the ball limiting rod, a second ball is supported on the outer side of the first ball, the second ball is limited in a limiting port on the writing end, the first ball is abutted to a pressure spring, and a gap is reserved between the first ball and the ball limiting rod. The utility model provides a liquid leakage prevention marking pen with a double-ball structure, which is simple and compact in overall structure and low in cost, adopts a ball-ball liquid outlet structure, is good in writing experience, and has a good liquid leakage prevention structure.

Description

Liquid leakage prevention marking pen with double-bead structure

Technical Field

The utility model belongs to the technical field of marking pens, and particularly relates to a liquid leakage prevention marking pen with a double-ball structure.

Background

The marking pen is one kind of writing tool, and may be used in writing mark or mark on paper, wood, metal, plastic, ceramic, etc. In general, markers are classified into oil markers and water markers.

In the prior art, a conventional marking pen generally includes a pen holder and a pen point, wherein ink is stored in the pen holder, the pen point is arranged in the pen holder, the pen point is a rod-shaped fiber bundle rod body, one end of the pen point extends into the ink in the pen holder, and the other end of the pen point extends out for writing. Such as: in the chinese utility model patent of publication No. CN214001114U, a marker pen is disclosed, including the pen-holder, pen-holder one end fixed mounting has the tail cover, the tail cover is kept away from the pen-holder end and is equipped with the brush, the pen-holder other end is equipped with the nib, the mounting groove has been seted up in the nib, the mounting groove endotheca is equipped with the nib, and nib and mounting groove excessively cooperate, the cover is equipped with the pen cap on the nib, pen cap one side is equipped with the pen clip, the pen-holder is the hollow tubular structure, be equipped with the fixed block in the pen-holder, fixed block upper portion threaded connection has the ink sac, the fixed block lower part is equipped with the cartridge core, through setting up the ink sac, reach the storage ink of larger capacity and then promote the live time. The following steps are repeated: in the chinese invention application with publication number CN112677677A, a marking pen for refilling ink is disclosed, which has a compact structure, is convenient for refilling ink, and is convenient and fast to operate.

In the existing marking pen, a pen point of a fiber bundle rod body is basically used for guiding ink, but the structure is inconvenient to write, poor in use experience, difficult to obtain flexible writing experience of the ball pen, easy to dry and bond and difficult to write. However, if the conventional ball structure is adopted in the marker pen, the leakage is very easy and the use is difficult.

Accordingly, the present application has conducted further research into markers based on some of the above deficiencies in the prior art.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides the liquid leakage prevention marking pen with the double-ball structure, the whole structure is simple and compact, the cost is low, the ball-shaped liquid outlet structure is adopted, the writing experience is good, and meanwhile, the liquid leakage prevention structure is good.

The utility model is solved by the following technical scheme.

A liquid leakage prevention marking pen with a double-ball structure comprises a pen holder, wherein one end of the pen holder is provided with a plug, the other end of the pen holder is provided with a double-ball liquid outlet structure, and ink is stored in the pen holder; the double-ball liquid outlet structure comprises a support arranged in a pen holder, wherein an ink flowing hole is formed in the support, a ball limiting rod is arranged on one side of the support, which faces a writing end, a first ball is arranged at the outer end of the ball limiting rod, a second ball is supported on the outer side of the first ball, the second ball is limited in a limiting port on the writing end, the first ball is abutted to a pressure spring, and a gap is reserved between the first ball and the ball limiting rod.

The marking pen in the prior art basically adopts the fiber bundle rod body as the pen point, ink seeps out through the fiber bundle to write, the writing experience of the marking pen with the structure is poor, meanwhile, the ink in the fiber bundle is easy to agglomerate, and the ink is not smooth and easy to block up when in use.

The utility model provides a leak protection liquid marker pen has adopted two pearl structures, and the ink can flow along with the roll of ball and be used for writing, feels and experiences well. When writing, the second bead supports on the paper surface, pushes up the second bead and the first bead slightly upwards, overcomes the elasticity of pressure spring, produces the space between second bead and the spacing mouth this moment, and the ink flows out for write. When the writing tool is not used for writing, the elastic force of the pressure spring enables the second bead and the first bead to be pushed outwards, the second bead is pushed against the limiting opening to keep sealing, ink cannot flow out, and the liquid leakage preventing effect is good.

In a preferred embodiment, the support is clamped on an inner cavity in the pen holder, a central hole for fixing the bead limiting rod is formed in the center of the support, and the assembly structure is simple.

In a preferred embodiment, the ink flowing holes are uniformly distributed on the support, and the number of the ink flowing holes is 4-7, and the ink flowing holes are used for allowing ink to flow through.

In a preferred embodiment, the central hole is provided with a step surface for assembling the pressure spring, and the pressure spring is simple in structure and convenient to assemble.

In a preferred embodiment, the plug is provided with an air hole for ventilation to ensure smooth outflow of the ink.

In a preferred embodiment, the air hole has a structure with a large outer part and a small inner part, and the inner end of the plug is provided with a convex inclined surface, so that ink and oil in the pen holder can be well prevented from flowing out.

In a preferred embodiment, the writing end of the penholder is an integrally formed pen point part, so that the penholder is convenient to process and low in cost.

In a preferred embodiment, a pen clip is arranged on the pen holder.

In a preferred embodiment, the diameter of the first bead and the second bead is 2.5mm, the diameter of the limiting opening is 2.34mm, and the gap between the first bead and the bead limiting rod is 4-6 wires. This size structure processing is convenient, and is with low costs, and completion writing operation that can be fine is effectual simultaneously to the prevention of liquid leakage.

In a preferred embodiment, the pen holder is an injection molding piece made of polycarbonate, and the pen holder has good wear resistance.

Compared with the prior art, the utility model has the following beneficial effects: the utility model provides a prevention of liquid leakage marking pen with two pearl structures, overall structure is simple compact, and is with low costs, adopts the ball to go out the liquid structure, writes and experiences well, has fine prevention of liquid leakage structure simultaneously.

Drawings

FIG. 1 is a schematic view of a liquid leakage prevention marker pen according to the present invention.

Fig. 2 is a sectional view of a liquid leakage preventing marker in the present invention.

Fig. 3 is an enlarged view of the area a in fig. 2.

Fig. 4 is an enlarged view of the region B in fig. 2.

Fig. 5 is a schematic end view of a stent according to the present invention.

Fig. 6 is a schematic cross-sectional view of a stent according to the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The embodiments described below by referring to the drawings, in which the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout, are exemplary only for explaining the present invention, and are not construed as limiting the present invention.

In describing the present invention, it is to be understood that the terms: the terms center, longitudinal, lateral, length, width, thickness, up, down, front, back, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing and simplifying the description, and thus, should not be construed as limiting the present invention. Furthermore, the terms: first, second, etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features shown. In describing the present invention, unless otherwise expressly specified or limited, the terms: mounting, connecting, etc. should be understood broadly, and those skilled in the art will understand the specific meaning of the terms in this application as they pertain to the particular situation.

Referring to fig. 1 to 6, the liquid leakage preventing marking pen with the double-ball structure comprises a pen holder 1, wherein a plug 4 is arranged at one end of the pen holder 1, the double-ball liquid outlet structure is arranged at the other end of the pen holder 1, and ink 11 is stored in the pen holder 1; the double-bead liquid outlet structure comprises a support 5 arranged in a penholder 1, wherein an ink flowing hole 51 is formed in the support 5, a bead limiting rod 6 is arranged on one side of the support 5, which faces a writing end, a first bead 81 is arranged at the outer end of the bead limiting rod 6, a second bead 82 is supported on the outer side of the first bead 81, the second bead 82 is limited in a limiting port 18 on the writing end, the first bead 81 is supported against a pressure spring 7, and a gap is reserved between the first bead 81 and the bead limiting rod 6 and used for allowing the first bead 81 and the second bead 82 to return ink.

Specifically, in the application, the support 5 is clamped on the inner cavity of the pen holder 1, the center of the support 5 is provided with the center hole 52 for fixing the bead limiting rod 6, and the assembling structure is simple. The ink flowing holes 51 are uniformly distributed on the support 5, and the number of the ink flowing holes is 4-7, and the ink flowing holes are used for allowing ink to flow through. In addition, the central hole 52 is provided with a step surface 53 for assembling the pressure spring 7, and the structure is simple and the assembly is convenient.

In the application, the plug 4 is provided with an air hole 41 for ventilation, so that smooth outflow of ink is ensured. In a preferred scheme, the air hole 41 has a structure with a large outer part and a small inner part, and the inner end of the plug 4 is provided with a convex inclined surface 42, so that the ink 11 and the oil seal 12 in the pen holder 1 can be well prevented from flowing out.

In this application, the writing end of pen-holder 1 is integrated into one piece's nib portion 2, and processing is convenient, and is with low costs, be equipped with pen clip 3 on the pen-holder 1, and, pen-holder 1 is the injection moulding spare that polycarbonate made, and the wearability is good.

In the embodiment of this application, the diameter of first pearl 81 with second pearl 82 is 2.5mm, the diameter of spacing mouth 18 is 2.34mm, the clearance between first pearl 81 and the ball limit stick 6 is 4~6 silk. This size structure processing is convenient, and is with low costs, and completion writing operation that can be fine is effectual simultaneously to the prevention of liquid leakage.

The utility model provides a leak protection liquid marker pen has changed tow refill structure in the past, has adopted two pearl structures, and the ink can be used for writing along with the roll outflow of ball (preferably steel ball), feels and experiences well. When writing, the second bead 82 is pressed against the paper surface, the second bead 82 and the first bead 81 are slightly pushed upwards to overcome the elasticity of the pressure spring 7, at the moment, a gap is formed between the second bead 82 and the limiting port 18, and ink flows out for writing. When the writing instrument is not used for writing, the elastic force of the pressure spring 7 enables the second bead 82 and the first bead 81 to be pushed outwards, so that the second bead 82 is pushed against the limiting opening 18 to keep sealing, ink cannot flow out, and the liquid leakage prevention effect is good.

Simultaneously marker pen in this application is with low costs, convenient assembling: the penholder 1 can be a plastic integrated part, and the rest structures can also be plastic parts outside the steel balls and the pressure springs, so that the cost is low; during assembly, the first bead 81 and the second bead 82 are placed from the tail of the pen holder 1, the pressure spring 7, the bead limiting rod 6 and the support 5 are placed, the support 5 is clamped to complete assembly, then the ink 11 and the oil seal 12 are filled, and the plug 4 is installed conveniently.

The liquid leakage preventing marking pen with the double-ball structure has the advantages that the whole structure is simple and compact, the cost is low, the ball-shaped liquid outlet structure is adopted, the writing experience is good, and meanwhile, the liquid leakage preventing structure is good.

The scope of the present invention includes, but is not limited to, the above embodiments, and the present invention is defined by the appended claims, and any alterations, modifications, and improvements that may occur to those skilled in the art are all within the scope of the present invention.

Claims (10)

1. The utility model provides a leak protection liquid marker pen with two pearl structures which characterized in that: comprises that

The pen holder comprises a pen holder (1), wherein a plug (4) is arranged at one end of the pen holder (1), a double-ball liquid outlet structure is arranged at the other end of the pen holder (1), and ink (11) is stored in the pen holder (1);

the double-bead liquid outlet structure comprises a support (5) arranged in a pen holder (1), wherein an ink flowing hole (51) is formed in the support (5), a bead limiting rod (6) is arranged on one side of the support (5) facing a writing end, a first bead (81) is arranged at the outer end of the bead limiting rod (6), a second bead (82) is supported at the outer side of the first bead (81), the second bead (82) is limited in a limiting port (18) on the writing end, the first bead (81) is supported against a pressure spring (7), and a gap is reserved between the first bead (81) and the bead limiting rod (6).

2. The leakage-proof marker pen with the double-ball structure as claimed in claim 1, wherein the bracket (5) is clamped on the inner cavity of the pen holder (1), and the center of the bracket (5) is provided with a central hole (52) for fixing the ball-limiting rod (6).

3. The leakage-proof marker pen with the double-bead structure as claimed in claim 2, wherein the ink flow holes (51) are uniformly distributed on the support (5) and the number of the ink flow holes is 4-7.

4. The leakage-proof marker pen with the double-ball structure as claimed in claim 2, wherein the central hole (52) is provided with a step surface (53) for assembling the compression spring (7).

5. The leakage-proof marker pen with the double-bead structure as claimed in claim 1, wherein the cap (4) is provided with an air hole (41).

6. The leakage-proof marker pen with the double-bead structure as claimed in claim 5, wherein the air hole (41) has a structure with a large outside and a small inside, and the inner end of the plug (4) has a convex inclined surface (42).

7. The leakage-proof marking pen with the double-ball structure as claimed in claim 1, wherein the writing end of the pen shaft (1) is an integrally formed pen head (2).

8. The leakage-proof marking pen with the double-ball structure as claimed in claim 1, wherein the pen holder (1) is provided with a pen clip (3).

9. The leakage-proof marker pen with the double-bead structure as claimed in claim 1, wherein the diameter of the first bead (81) and the second bead (82) is 2.5mm, the diameter of the limiting opening (18) is 2.34mm, and the gap between the first bead (81) and the bead limiting rod (6) is 4-6 wires.

10. The liquid leakage preventing marker of any one of claims 1 to 9, wherein the barrel (1) is an injection molded part made of polycarbonate.

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