KR101188919B1 - Slide type writing tools having device for preventingdryness - Google Patents

Abstract

PURPOSE: A retractable writing set including a drying prevention apparatus is provided to promote the commercial value of writing sets by compressing a cover using a link member. CONSTITUTION: An ink holder(40) is moved to an upside using the elastic force of a compressed return elastic member(45) when a knob is pushed. A protrusion of a pen core fixing unit(41) is inserted into a groove. A rubber holder(70) is moved to the upside. A guide protrusion(74) of the rubber holder is returned to an initial location according to a guide groove(52) of a fixing rubber(50). A cover(71) is rotated to a cross section(61) by pulling the pen core.

Description

Written writing instruments with anti-drying devices {SLIDE TYPE WRITING TOOLS HAVING DEVICE FOR PREVENTINGDRYNESS}

The present invention relates to a sunken type writing instrument having a broom preventing device, and more particularly, a pen nib of a writing instrument using a highly volatile ink such as a highlighter, a magic pen, a sign pen, a plus pen, is hermetically received inside the writing instrument, and ink It is invented to prevent evaporation of the pen nib dry.

Generally, writing instruments refer to ballpoint pens, sign pens, highlighters, magic pens, and the like, and most of them have a sealing cap detachably fixed to prevent drying of the writing core material.

These writing instruments are largely fixed in the pen nib, a fixed type using a cap (hereinafter referred to as a cap), a rotary type (rotating type) in which a part of the shim comes out along the spiral pipe by rotating a part of the shaft, There is a knock type that pushes a portion of the shaft so that the spring moves and the pen nib comes out, and a slide type that slides the nib protrudes and immerses.

The writhing writing instrument has the advantage that it can be used without the inconvenience of opening and closing a separate lid, but because the pen core entry hole through which the pen nibs are simply perforated at one end of the writing instrument, such as oil-based ink, such as non-volatile or weak volatility There is a drawback that can act only limited to writing instruments.

On the other hand, highly volatile maca pens, white pens, aqueous pens, highlighters, and the like, it is inconvenient to open and close the lid, but when the pen nib is left in the air for a long time, the ink may dry, which may shorten or damage the writing instrument life.

Accordingly, in order to solve the above problems, Patent Registration No. 1987-12570 (a lidless writing instrument having a drying prevention device) has been proposed, and the cover covering the nib portion by the elastic force of the rubber band is pressed when the pressing portion of the writhing writing instrument is opened, It is also known as a structure that is closed by pressing once again to prevent ink drying.

However, not only the opening and closing of the cover does not operate quickly because of the elastic tension force, but also has a disadvantage in terms of durability, and the airtight state of the cover temporarily closing the hole has a disadvantage.

In addition, Practical Publication No. 1989-3644 (cap writing instrument) presses the knock portion, the pen tip penetrates the elastic body installed in the inner cylinder, and the pen tip is exposed to use the pen, and the pen tip is returned to its original position by releasing or pressing the knock portion again. On return, the cut elastics abut against each other to close the pen tip to prevent drying.

However, this method has a problem that the cut portion of the elastic body may be plastically deformed due to friction due to frequent use, and the sealing force is lowered due to frequent friction.

The present invention has been made in view of the above conventional problems, the object of which is that the pen nib located inside the airtight chamber protrudes to the outside according to the pressing of the knob, the airtight of the nib accommodated inside the airtight chamber cover is automatically closed when the knob is released It is to provide a written writing instrument with a dry prevention device to maintain.

Another object of the present invention is a writing instrument having a tube tube using a soft flexible material, and a baffle preventing device for shielding the front surface of the tube tube with a cover to prevent evaporation of ink and dryness of the nib. To provide.

Still another object of the present invention is to provide a writing-type writing implement having a dry prevention device for improving the airtightness and the commercial property while preventing the shape of the pen nib from being deformed.

The present invention, in order to achieve the above object, a pen preventing device 30 is provided inside the body of the pen housing 20, the writing instrument 10 to let the pen nib (43) to the bottom by the operation of the knob 19 );
The pen housing 20 has a pen core access hole 21 at a lower end thereof, and forms a locking protrusion 22 at an upper inner diameter of the pen core access hole 21.
The anti-drying device 30, the pen core fixing portion 41 is formed in the lower portion of the body of the pen housing 20, while the locking jaw 42 is provided at the lower end of the pen core fixing portion 41, the bottom end An ink holder 40 into which the nib 43 is fitted and bound to the inside;
A return spring 45 inserted into the pen core fixing part 41 at the lower part of the ink holder 40;
The pen core fixing portion 41 of the ink holder 40 is inserted into the upper portion to support the lower end of the return spring 45, and the lower groove has both sides interlocked with the locking protrusion 22 of the pen housing 20. ) Is provided, a guide groove 52 having a locking jaw 52a at an end is formed at one end of the locking groove 51, and a fixing rubber 50 having a supporting protrusion 53 formed at the other side thereof. Wow;
The tube tube 60 is formed of a soft flexible material, the lower end is formed of the inclined cutting surface 61, and the upper end inner diameter is formed with an intermittent groove 62 into which the engaging jaw 42 of the ink holder 40 is fitted. and;
The tube tube 60 is inserted into the inner side is assembled to expose the cutting surface 61, the guide protrusion 74 for sliding along the guide groove 52 of the fixed rubber 50 is formed in the outer diameter, fitting A rubber holder (70) formed to cover the cut surface (61) of the tube tube (60) integrally connected to the cover (71) having a protrusion (73) and a fixing portion (72);
A support groove 82 is rotatably coupled to the fitting protrusion 73 of the rubber holder 70 and fitted to the support protrusion 53 of the fixing rubber 50 by the other end thereof. It is achieved by consisting of a link member 80 is provided to press the cover 71 upper portion.

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According to the present invention having such a structure, a pen nib of a writing instrument using a highly volatile ink such as a highlighter, a magic pen, a sign pen, a plus pen, etc. protrudes out only when used, and is sealed inwardly when not in use to evaporate ink. And the pen nib can be prevented from drying out to improve writing instrument life.

Pressing the cover of the rubber holder in the pen housing with a link member supported by the fixed rubber to close the cover to maintain the airtight, it is a very useful invention to increase the marketability.

1 is an exploded perspective view of the present invention.
Figure 2 is an exploded perspective view of the anti-drying device of the present invention.
3 is a sectional view showing an initial state of the writing instrument.
Figure 4 is a cross-sectional view showing a state that the anti-drying device is pushed by pressing the knob of the writing instrument.
5 is a cross-sectional view showing a state in which the pen nib is projected in accordance with the present invention.

Hereinafter, a configuration and an operation example of the present invention for achieving the above object with reference to the accompanying drawings are as follows.

In the present invention writing instrument equipped with the anti-drying device, the pen nib of the writing instrument using a highly volatile ink such as highlighter, magic pen, sign pen, plus pen, is airtightly received inside the writing instrument to evaporate the ink and dry the nib It is invented to prevent it.

First, referring to the accompanying drawings, the general direction reference used in the present specification, the pen holder 20 has a state in which the pen housing 20 is upright, and the ink holder 40 with the anti-drying device 30 therein is provided. Is inserted, and the upper portion of the pen housing 20 is configured by combining a knob 19 for releasing the ink holder 40 filled with ink.

In addition, the anti-drying device 30 according to the present invention can be applied to a variety of products, such as ink injection and ink exchange, but will be described in the state applied to the writing instrument as in the embodiment.

1 to 5, the pen housing 20 is mainly cylindrical in shape and rounded to a smaller diameter at the bottom of the body is formed pen core access hole 11 in the center, the knob 19 to the top of the body Is configured to be detachably coupled.

In addition, the locking protrusion 22 is formed at the upper inner diameter of the pen core access hole 21, and is formed so that the locking protrusion 22 is provided at the upper end on both sides of the drawing.

At this time, it is also preferable to assemble and produce the housing stopper with the pen core access hole 21 formed under the pen housing 20 by fastening and assembling separately or fusion.

In addition, the pen holder 43 accommodates the ink holder 40 in which the pen nib 43 is fixed to the lower part of the pen housing 20, and prevents the pen nib 43 from drying out to the lower end of the ink holder 40. 30) is installed.

The ink holder 40 is accommodated in the pen housing 20, the knob 19 is detachably coupled to the upper portion of the body, and the pen core fixing portion 41 is formed at the lower portion of the body. While the locking jaw 42 is provided at the lower end of the government 41, the pen nib 43 is fitted inside and coupled to the lowermost end.

In addition, the return spring 45 is inserted into the pen core fixing portion 41 at the lower portion of the ink holder 40, and the fixing rubber 50 supports the lower end of the return spring 45.

The fixing rubber 50 supports the lower end of the return spring 45 to the upper end while the pen core fixing part 41 of the ink holder 40 is inserted into the center of the body, and both sides of the lower end of the pen housing 20. A locking groove 51 is provided on the locking protrusion 22, and a guide groove 52 having a locking jaw 52a at an end is formed at one end of the locking groove 51, and the other side is supported. The protrusion 53 is molded.

In addition, the rubber holder 70 including the tube tube 60 is inserted into the fixed rubber 50 so as to be movable in the lower direction, and rotates according to the movement of the fixed rubber 50 and the rubber holder 70. Link member 80 is further assembled.

The tube tube 60 is formed of a soft flexible material (for example, rubber or urethane, silicon, etc.), the lower end portion is formed with a slanted cut surface 61, the upper end inner diameter is caught by the ink holder 40 The jaw 42 is fitted to form an intermittent groove 62 to limit the movement to the top.

In addition, the rubber holder 70 is integrally coupled so that the tube tube 60 is inserted in the lower direction, the cutting surface 61 is exposed to the lower end, and slides along the guide groove 52 of the fixed rubber 50. Guide protrusions 74 to be formed on the outer diameter, the cover 71 is formed integrally to cover the cut surface 61 of the tube tube 60 on one side of the lower end, the fitting projections 73 on the outer surface of the cover 71 The fixing portion 72 is formed.

In addition, the link member 80, one end portion of the rubber protrusion 70, the fitting projection 73 is rotatably coupled to the fitting hole 81, the other end of the support protrusion 53 of the fixing rubber 50 ) Is provided with a supporting groove 82 to serve to pressurize the outer surface of the cover (71).

Referring to the operating state of the anti-drying device 30 is configured and assembled as follows.

First, as shown in FIG. 3, when the ink holder 40 in the initial position is moved downward by pressing the knob 19, the ink holder 40 and the anti-drying device 30 are moved in their entirety.

In this case, as shown in FIG. 4, even when the locking groove 51 of the fixing rubber 50 is interrupted by the locking protrusion 22 of the pen housing 20, the fixed rubber 50 is restricted in movement. And the rubber holder 70 including the tube tube 60 continues to move.

That is, the locking jaw 42 formed in the pen core fixing portion 41 of the ink holder 40 is fitted into the intermittent groove 62 of the tube tube 60, and the cover 71 of the rubber holder 70 is cut off ( 61 is in close contact with the pen nib 43 is moved while having an airtight state.

Then, when the ink holder 40 further proceeds by pressing the knob 19 in the state where the movement of the fixing rubber 50 is interrupted as shown in FIG. 5, the locking jaw 42 of the pen core fixing part 41 is intermittent. As the pen core 43 pushes out the inner surface of the cover 71 while being separated from the groove 62, the pen core 43 enters the outside through the pen core access hole 21.

In this case, the rubber holder 70 slides along the guide grooves 52 of the fixed rubber 50, and the guide protrusions 74 formed on the lower portion of the rubber holder 70 are guide protrusions on the separation prevention jaw 52a of the fixed rubber 50. 74 is engaged to restrict the rubber holder 70 from moving anymore.

That is, the guide protrusion 74 formed at the upper end of the outer surface of the rubber holder 70 is moved downward along the guide groove 52 of the fixing rubber 50 to the release prevention jaw 52a protruding from the end of the guide groove 52. The movement distance is limited, so that the link member 80 connected to the fixed rubber 50 from the outer surface of the cover 71 is not detached due to excessive movement of the rubber holder 70.

Then, after using the writing instrument, the operation for accommodating the nib 43 to the inside of the pen housing 20 to be hermetically sealed, while the ink holder 40 is moved upward by the elastic force of the compressed return spring 45 while pressing the knob, The locking jaw 42 of the pen core fixing part 41 is inserted into the intermittent groove 62 to move the rubber holder 70 integrated with the tube tube 60 upward.

At this time, the guide protrusion 74 of the rubber holder 70 is moved upward along the guide groove 52 of the fixed rubber 50 to guide the return to the initial position, the cover due to the retraction of the nib 43 71 rotates toward the cutting surface 61.

In particular, the link member 80 for the rotational movement of the cover 71 and the pressing force to the cutting surface 61, the fitting hole 81 formed at one end is fitted to the fitting protrusion 73 of the rubber holder 70 It is rotatably coupled, and the support groove 82 of the other end is fitted to the support protrusion 53 of the fixing rubber 50, so that the link operation when the rubber holder 70 moves back according to the movement of the nib 43 By pressing the cover 71 while rotating to close the cover 71 by pressing the cutting surface 61 to the inside of the tube tube 60 is hermetic again to prevent the ink evaporation of the nib (43).

In addition, in another embodiment of the link member 80, the both ends of the cover member 71 and the support protrusion 53 of the fixing rubber 50 by pin coupling the smoothness of the operation of the link member 80 It is also desirable to increase the assembly and assembly robustness.

That is, the link member 80 is moved by the cover 71 as the rubber holder 70 retracts, and the fitting protrusion 73 coupled to the fitting hole 81 pulls one end of the link member 80 to another side. In the initial state in which the support groove 82 of one end is rotated about a central axis, and the guide protrusion 74 is located at the upper end of the guide groove 52, as shown in FIG. 3, the link member 80 covers the outer surface of the cover 71. To press the cut surface 61 of the tube tube 60, the inside of the tube tube 60 in which the nib 43 is accommodated.

And, in the embodiment of the fixing rubber 50 is extended to the upper portion of the support protrusion 53 formed in the lower end of the body and has an elasticity, to form an elastic piece 54 having a retreat prevention jaw (54a) at its end, The retraction prevention jaw 54a may be molded to fit into the retraction prevention hole 23 of the pen housing 20.

That is, the retreat prevention jaw 54a prevents the fixed rubber 50 from being excessively raised in the process of returning after the use of the anti-driving device 30, and the fixed rubber 50 is always placed at the same position to dry. It is to prevent the malfunction of the prevention device (30).

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention. It will be clear to those who have.

10-Writing Instruments 20-Pen Housing
22-Jamming
30-Anti-Drying Device 40- Ink Holder
50-Retaining rubber 51-Locking groove
52-guide groove 53-support protrusion
60-tube tube 61-cross section
70-Rubber Holder 71-Cover
72-fixing part 80-link member

Claims (2)

In the pen housing 20 is provided inside the body of the pen preventing device 30, the writing instrument 10 to allow the pen nib (43) to go out by the operation of the knob 19;
The pen housing 20 has a pen core access hole 21 at a lower end thereof, and forms a locking protrusion 22 at an upper inner diameter of the pen core access hole 21.
The anti-drying device 30, the pen core fixing portion 41 is formed in the lower portion of the body of the pen housing 20, while the locking jaw 42 is provided at the lower end of the pen core fixing portion 41, the bottom end An ink holder 40 into which the nib 43 is fitted and bound to the inside;
A return spring 45 inserted into the pen core fixing part 41 at the lower part of the ink holder 40;
The pen core fixing portion 41 of the ink holder 40 is inserted into the upper portion to support the lower end of the return spring 45, and the lower groove has both sides interlocked with the locking protrusion 22 of the pen housing 20. ) Is provided, a guide groove 52 having a locking jaw 52a at an end is formed at one end of the locking groove 51, and a fixing rubber 50 having a supporting protrusion 53 formed at the other side thereof. Wow;
The tube tube 60 is formed of a soft flexible material, the lower end is formed of the inclined cutting surface 61, and the upper end inner diameter is formed with an intermittent groove 62 into which the engaging jaw 42 of the ink holder 40 is fitted. and;
The tube tube 60 is inserted into the inner side is assembled to expose the cutting surface 61, the guide protrusion 74 for sliding along the guide groove 52 of the fixed rubber 50 is formed in the outer diameter, fitting A rubber holder (70) formed to cover the cut surface (61) of the tube tube (60) integrally connected to the cover (71) having a protrusion (73) and a fixing portion (72);
A support groove 82 is rotatably coupled to the fitting protrusion 73 of the rubber holder 70 and fitted to the support protrusion 53 of the fixing rubber 50 by the other end thereof. Written-type writing instruments provided with a dry prevention device, characterized in that consisting of a link member 80 for pressing the upper cover 71.
The method of claim 1, wherein the link member 80, the anti-drying device, characterized in that the coupling is assembled by pinning both ends of the support portion 53 of the fixing portion 72 and the fixing rubber 50 of the cover 71. Written writing instruments equipped with.

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