KR100876952B1 - Writing implement - Google Patents

Abstract

A writing instrument is provided to prevent the damage, contamination, drying and evaporation of a writing member when the writing member is not used. A writing instrument comprises a case(2) provided with an aperture; a writing member(4) which is formed at the case so as to enter the aperture; and a opening/closing unit(6) which is connected with the writing member to open the aperture of the case if the writing member is projected from the case.

Description

Writing implements {Writing implement}

The present invention relates to a writing instrument, and more particularly, to a writing instrument including an opening and closing means for opening and closing the opening of the case in association with the writing member.

In general, writing instruments include pencils using graphite, colored pencils mixed with minerals such as lead, clay, and chalk, colored pencils, ball pens supplied with ink by the ball rotating by friction with the ground, and capillary phenomenon. Fountain pens and marker pens supplied with ink.

Among the writing instruments, the writing member which is in contact with the ground for writing is easily damaged, such as being broken or pressed, and is easily contaminated by contaminants such as dust or moisture, and when the ink is used, the ink is easily dried and evaporated. .

Thus, the writing instrument typically includes a lid through the writing shim protection.

However, the lid is likely to be lost since the lid is removed in place when the lid is typically opened during use of the writing instrument. In addition, when the lid is loosely closed, the lid is not easily separated, and ink using ink is easily evaporated and dried. In addition, if the lid is tightly closed, there is a problem that the lid is difficult to open.

The present invention has been made to solve the above-described problems of the prior art, the writing member including the prevention of damage, contamination, drying, evaporation of the writing member can be firmly protected, before and after the use of the writing member lid The purpose is to provide a writing instrument that does not need to open and close.

The present invention to solve the above problems is provided with a case having an opening; A writing member provided in the case to enter and exit the opening of the case; The writing instrument is connected to the writing member, and includes a opening and closing means for opening the opening of the case when the writing member protrudes from the case and closing the opening of the case when the writing member is inserted into the case.

The case includes a body provided with the writing member; It may include a cap coupled to the body so that the writing member can be inserted, the cap having the opening.

It may further include an elastic body for supporting the writing member to be inserted into the case.

The elastic body may be a spring wound on a writing member side end of the body.

The stopper may further include a stopper for restraining the action of the elastic member so that the writing member may be maintained in a protruding state from the case.

The apparatus may further include a sliding mechanism for sliding the writing member to allow the writing member to enter and exit the opening.

The sliding mechanism includes a rotating body rotatably coupled to the case; It is coupled to the writing member interlocked, and screwed with the rotating body, if the rotating body is rotated forward, the writing member protrudes from the case, if the rotating body is rotated reversely the writing member is inserted into the case It may include a lifting body.

The sliding mechanism may include a sliding protrusion protruding from any one of the case and the lifting body to restrain the rotation of the lifting body, and a sliding guide provided in the other of the sliding protrusion in combination with the sliding protrusion to guide the sliding of the sliding protrusion. It may further include.

The opening and closing means may include an elastic body that elastically deforms when the writing member protrudes out of the case so that the opening of the case is opened, and is restored when the writing member is inserted into the case, thereby closing the opening of the case. Can be.

The opening and closing means may include a stopper coupled to an opening of the case and having an incision that is elastically deformed and opened by the writing member and is retracted when restored.

The cutout portion of the stopper may have a plurality of cutoff lines arranged in a cross shape.

The cutout portion of the stopper may be recessed toward the inside of the case.

Each of the case and the stopper may be provided with first and second locking jaws that may be engaged with each other.

The stopper includes a stopper provided with the cutout; It may include a ring-shaped edge portion protruding from the stopper portion to be in close contact with the case is coupled to the case.

The stopper may protrude concave toward the tip of the writing member in contact with the writing member.

The stopper may be provided with a rib (Rib) protruding toward the inside of the case at the bent portion of the cutout.

Writing instruments according to the present invention as described above, the writing member can be firmly protected, including the damage and contamination, drying, evaporation of the writing member when the writing member is not in use, and the loss of the opening and closing means is prevented Has the advantage to be.

In addition, since the writing instrument according to the present invention has a structure for sliding the writing member, the writing member can be easily slid and the usability can be improved.

In addition, the writing instrument according to the present invention, the opening and closing means for opening and closing the opening of the case is implemented by the elastic body, the structure is simple, lightweight, low production cost, and when the writing member is not in use, the opening of the case is tightly sealed and It has the advantage that it can be kept sealed.

In addition, the writing instrument according to the present invention is composed of a stopper having an incision that is opened and closed when the opening and closing means is elastically deformed, so that the overall structure can be integrated and has an advantage of easy manufacturing.

In addition, the writing instrument according to the present invention has an advantage in that the opening and closing operation is surely made because the cutout is formed of a cross-cut line.

In addition, the writing instrument according to the present invention has a form in which the cutout is recessed toward the inside of the case, thereby ensuring the sealing of the opening of the case due to restoration of the cutout, and having an excellent sealing property.

In addition, the writing instrument according to the present invention has an advantage that the stopper is assembled by the case and the locking jaw, so that the stopper can be easily assembled and the stopper can be firmly combined.

In addition, the writing instrument according to the present invention has the advantage that the stopper has an edge, so that the cutout can be protected by the edge, and the stopper can be firmly combined with the case.

In addition, in the writing instrument according to the present invention, since the tip portion of the stopper contacting the writing member protrudes concave toward the protruding direction of the writing member, the cutout portion of the stopper may be normally opened by being pushed by the writing member. Therefore, the opening and closing operation of the plug has a certain advantage.

In addition, the writing instrument according to the present invention has an advantage that the bent portion of the cutout can be reinforced by having the rib positioned at the bent portion of the cutout.

Hereinafter, the writing instrument according to the first embodiment of the present invention will be described in detail with reference to FIGS. 1 to 7.

1 is an external perspective view of the writing instrument according to the first embodiment of the present invention, Figure 2 is an external perspective view of the writing instrument according to the first embodiment of the present invention, Figure 3 is a first embodiment of the present invention 4 is a cross-sectional view taken along line AA of FIG. 1, and FIG. 5 is a cross-sectional view taken along line AA of FIG. 2.

As shown in FIGS. 1 to 5, the writing implement according to the first embodiment of the present invention may access the case 2 having the opening 2A and the opening 2A of the case 2. The writing member 4 provided in the case 2 and the opening 2A of the case 2 when the writing member 4 protrudes from the case 2 in association with the writing member 4. And opening / closing means 6 for closing the opening 2A of the case 2 when the writing member 4 is inserted into the case 2.

First, the case 2 will be described in detail.

The case 2 is coupled to the body 10 on which the writing member 4 is mounted, and slidably coupled to the body 10 so as to cover the writing member 4, and the opening 2A. It includes a cap (Cap) 20 is provided.

The body 10 has a cylindrical body body 12 having both sides open so that the writing member 4 can be mounted, and the writing member 4 protrudes from both sides of the body body 12 that are open. A body stopper 14 for shielding a side other than the turned side, and a writing member support part disposed on a side from which the writing member 4 protrudes from both the opened portions of the body main body 12 to support the writing member 4. It may be composed of (16).

At least a portion of the body plug 14 may be configured in a button shape having a diameter smaller than that of the body body 12 while forming a concentric axis with the body body 12.

The writing member support unit 16 may be configured to have a diameter that is small so that the writing member 4 can be firmly supported.

The body 10 may be made of a transparent material so that the inside of the body 10 is visible, or may be made of an opaque material so that the inside of the body 10 can be concealed as in the present embodiment.

The cap 20 is slidably coupled to the body 10 and has a cylindrical cap body 22 having both sides opened, and the writing member 4 of the open sides of the cap body 22 enters and exits. The cap stopper 24 which is arrange | positioned at the side and the said opening part 2A was formed is included.

The cap body 22 may be configured to cover the entire portion of the body 10, or may be configured to cover only a portion of the body 10 as in this embodiment.

The cap body 22 may be inserted so as to be slidably coupled to the inside of the body 10 so as to be coupled to the body 10, and sliding to the outside of the body 10 as in the present embodiment. It is possible to be covered as much as possible.

The cap stopper 24 may communicate with the cap body 22 and may be configured in a ring shape so that the opening 2A may be formed. In particular, the cap stopper 24 is configured such that the opening 2A is smaller in size than the diameter of the cap body 22 in order to prevent separation of the opening and closing means 6.

The cap stopper 24 is mounted on the cap body 22 to be coupled with the cap body 22. The cap stopper 24 may be coupled to the cap main body 22 by an adhesive, may be welded to the cap main body 22, and the cap main body may be fastened by a fastening member such as a screw, a pin, or a hook. It is also possible to engage with (22).

The cap 20 may be made of an opaque material so that the inside of the cap 20 is concealed, or may be made of a transparent material so that the inside of the cap 20 is visible as in this embodiment.

In addition, the case 2 is a case departure preventing means 30 for limiting the sliding stroke of the body 10 and the cap 20, in order to prevent separation of the body 10 and the cap 20. ) Is included.

The case detachment preventing means 30 may include a case detachment prevention protrusion 32 protruding toward the other side from one of the body 10 and the cap 20, and the case 10 of the body 10 and the cap 20. The case departure preventing protrusion 32 may be provided on a side that is not provided, and the release preventing protrusion 32 may be configured as a case departure preventing guide 34 inserted to slide a predetermined stroke along the longitudinal direction of the writing instrument. In this embodiment, the case departure preventing projection 32 is provided on the inner wall of the cap 20, in particular the cap body 22, the case departure prevention guide 34 is the body 10, in particular the body main body 12 The example provided in the outer wall of this invention is disclosed. The case detachment prevention protrusion 32 may be configured in a hemispherical shape so that the frictional resistance can be minimized. The case detachment prevention guide 34 may protrude from the body 10, or may be provided in the body 10 in a groove shape as in the present embodiment.

Furthermore, the case 2 is an elastic body 40 provided between the body 10 and the cap 20 so that the writing member 4 can be automatically inserted into the case 2 using an elastic force. ) May be further included. Hereinafter, the elastic body 40 is referred to as a case elastic body 40 so as to clearly distinguish the components.

The case elastic body 40 may be implemented in various ways that can be elastically deformed, including coil springs, leaf springs, spiral springs, rubber, and sponges. In the present embodiment discloses an example in which the case elastic body 40 is implemented as a coil spring.

The case elastic body 40 is densely combined with the case 2, is easy to assemble, and the assembly structure side end of the body 10, that is, the writing member of the body 10, so that the assembly structure is simple. The outer side of the support 16 may be wound along the longitudinal direction of the writing instrument according to the present invention.

In addition, the case 10 may restrict the automatic insertion of the writing member 4 by the case elastic body 40 so that the writing member 4 may protrude from the case 2. Stopper 45 may be further included.

The stopper 45 may be applied to various techniques known in the art, such as a ballpoint pen. In the present embodiment, the stopper 45 is located at one side of the case detachment prevention guide 34 and the case detachment prevention protrusion 32 is carried over. An example protruded to be disclosed. The stopper 45 may be configured to have a hemispherical shape so that the case departure preventing protrusion 32 easily rides over and causes interference with the case departure preventing protrusion 32.

Next, the writing member 4 will be described in detail.

The writing member 4 may be applied with various kinds of pencils, ball pens, marker pens, ink pens, fluorescent pens, and the like. In this embodiment, a marker pen example using a dye is particularly disclosed.

Accordingly, the writing member 4 is a dye supply unit 50 for supplying a dye such as stored ink by capillary action, and a writing shim 52 for absorbing the dye of the dye supply unit 50 to perform writing. It is composed.

The dye supply unit 50 may be embedded in the case 2, in particular, the body main body 12.

The writing shim 52 may in particular be supported through the writing member support 16 and protrude from the body 10. Hereinafter, the description of the marker pen is a well-known matter, and further detailed description thereof will be omitted.

4 is a cross-sectional view taken along line AA of FIG. 1, FIG. 5 is a cross-sectional view taken along line AA of FIG. 2, FIG. 6 is a cross-sectional view taken along line AA of FIG. 4, and FIG. 7 is a first embodiment of the present invention. It is a rear perspective view of the rubber stopper of the writing instrument according to the present invention.

The opening and closing means 6 is elastically deformed when the writing member 4 protrudes out of the case 2 so that the opening 2A of the case 2 is opened, and the writing member 4 is When inserted into the case 2, it may be restored to have an elastic body that seals the opening 2A of the case 2.

For example, the opening and closing means may be coupled to the opening 2A of the case 2, and may be elastically deformed and opened by the writing member 4. 70).

The cutout 60 may be configured to open and close the entire portion of the opening 2A of the case 2, and to open and close only one portion of the opening 2A of the case 2 as in the present embodiment. It is also possible to be configured.

The cutout 60 may be configured as one cut line 61 to 64 to allow the writing member 4 to enter and exit, or may be configured as a plurality of cut lines 61 to 64 as in the present embodiment. It may be. When the cutout 60 is formed of a plurality of cut lines 61 to 64, the cutout 60 may be formed in a cross shape as in the present embodiment. In addition to the present embodiment, the cutout 60 may be formed in a 'H' shape. It may be configured in the form of 'C', it may be configured in a variety of 'b' shape may be variously modified.

The cutout 60 is easy to be restored when the writing member 4 is inserted into the case 2 again, and the sealing property thereof is good when the opening 2A of the case 2 is sealed. It may be configured to be recessed toward the inside of the case (2). That is, the cutout 60 may be configured to be concave toward the inside of the case 2 in a substantially hemispherical shape.

The cutout 60 may be made of any one of various elastic materials such as plastic, rubber, and sponge, and the present disclosure discloses an example of rubber.

The stopper 70 is a stopper 72 provided with the cutout 60 and the stopper 72 so that the stopper 70 is inserted into the case 2, in particular the cap 20, to be in close contact with the stopper 72. Protruding from), and includes a ring-shaped rim 74 coupled with the case 2, in particular the cap 20.

The plug portion 72 may be provided in a plate shape to completely shield the opening 2A of the case 2.

The edge portion 74 may be disposed on an outer line of the plug portion 72. The edge portion 74 may protrude from the stopper portion 72 toward the inside of the case 2, and as in the present embodiment, the edge portion 74 may face the outside of the case 2 from the stopper portion 72. It may protrude to cover the cutout 60.

The stopper 70, in particular the stopper 72, has a tip 70A at a specific point in contact with the writing member 4 when the writing member 4 protrudes, and the tip of the stopper 70 ( 70A) is constituted of a structure that protrudes concave toward the protruding direction of the writing member 4. That is, the tip portion 70A of the stopper 70 has a groove shape when viewed from the inside of the case 2, and has a protrusion shape when viewed from the outside of the case 2.

According to the shape of the writing shim 50 of the writing member 4, the tip portion 70A of the stopper 70 may be modified in various ways, such as a slit type and a star type, in addition to the hemispherical shape of the present embodiment. Can be.

The stopper 70, particularly the stopper 72, may be provided with a rib 70B protruding toward the inside of the case 2 at the bent portion of the cutout 60. The rib 70B may be composed of one or a plurality of ribs. The rib 70B may be modified in various ways, such as an arc type, a straight type, a wave type, and the like as in the present embodiment. The rib 70B may be separately formed and combined with the stopper 72, but it is preferable that the rib 70B is integrally molded with the stopper 72 for simplifying the molding and manufacturing labor. As the rib 70B is provided on the stopper 70 as described above, the bent portion of the cutout 60 may be reinforced, so that the wear resistance of the cutout 60 may be improved.

The stopper 70 is combined with the case 2 to be fixed to the case 2. That is, the stopper 70 may be press-fitted into the case 2, may be joined by an adhesive, may be welded, or may be fastened by a fastening member such as a screw, a rivet, a hook, or the like. In the present embodiment, an example in which the stopper 70 is pressed into the case 2 is disclosed.

The stopper 70 may be made of a different material from the cutout 60, but may be made of the same material as the cutout 60 as in the present embodiment.

On the other hand, the stopper 70 and the case 2 so that the stopper 70 and the case 2 can be easily and reliably combined with each other, the first stopper 70 and the case 2, in particular the cap 20, respectively, Two locking jaws 76 and 26 may be provided.

The first locking jaw 76 may be provided at the stopper 70, in particular the edge portion 74. The first locking jaw 76 is a combination of the stopper 70 and the case 2, the second locking jaw (26) in both directions in the separation direction, so as to be caught in the longitudinal direction of the writing instrument It may be composed of a pair of mutually spaced around the two catching jaw (26). The first locking jaw 76 may be configured only in the circumferential portion of the edge portion 74 of the stopper 70, or configured around the front portion of the edge portion 74 of the stopper 70 as in this embodiment It may be configured in a ring shape.

The second locking jaw 26 may be provided on the inner wall of the case 2, in particular the cap body 22. The second catching jaw 26 may be configured only at a portion of the circumference of the cap body 22, or may be configured around the cap body 22 around the cap body 22 to have a ring shape.

The operation of the present invention configured as described above will be described with reference to FIGS. 1 to 7.

In particular, referring to FIGS. 1 and 4, if the writing member 4 is completely inserted into the case 2 and the case 2 is sealed, the writing member 4 is to be used. The body 10 of the case 2 and the cap 20 are mutually slid so that the writing shim 50 of the writing member 4 protrudes out of the case 2. At this time, holding the cap 20, and pressing the body 10 to be inserted into the cap 20, the body 10 and the cap 20 is easy to mutual sliding, it is referred to.

When the body 10 and the cap 20 are slid as described above, the writing shim 50 of the writing member 4 first moves forward toward the opening 2A of the case 2, and then stops. It is in contact with the tip 70A of 70.

After the writing shim 50 of the writing member 4 is in contact with the tip 70A of the stopper 70, the writing shim 50 of the writing member 4 continues to move forward so that the writing member Since the writing shim 50 of (4) pushes the cutout portion 62 toward the outside of the case 2, the cutout portion 60 of the opening and closing means 6 opens and the case 2 Is opened and the writing shim 50 of the writing member 4 protrudes from the case 2. In this case, the case detachment prevention protrusion 32 is moved toward the stopper 45 along the case detachment prevention guide 34, and the case elastic body 40 is compressed and deformed.

In particular, referring to FIGS. 2 and 5, when the writing shim 50 of the writing member 4 is completely protruded from the case 2 through the above-described process, the case detachment prevention protrusion 32 may stop the stopper. By riding over 45 and being caught by the stopper 45, the sliding between the body 10 and the cap 20 is constrained despite the elastic force of the case elastic body 40. In addition, the cutout portion 60 of the opening and closing means 6 is maintained in a state of being opened by the writing member 4 protruding from the case 2.

Thus, writing by the writing member 4 becomes possible.

After the use of the writing member 4 is finished, the body 10 and the cap 20 are mutually slid and placed so that the body 10 is inserted into the cap 20. As the elastic force of the elastic body 40 is largely applied, the sliding restraint between the body 10 and the cap 20 is released as the case detachment prevention protrusion 32 crosses the stopper 45 again.

At the same time, the body 10 and the cap 20 are mutually slid by the elastic force of the case elastic body 40 so that the writing shim 50 of the writing member 4 is inserted into the case 2. At this time, even if the elastic force of the case elastic body 40 is applied, the body 10 and the cap 20 are not separated from each other by the case detachment preventing means 30.

When the writing shim 50 of the writing member 4 is inserted into the case 2 and separated from the cutout 62, no external force acts on the cutout 62 so that the cutout 62 The case 2 is sealed while being restored by its self restoring force.

Hereinafter, a second embodiment of the present invention will be described in detail with reference to FIGS. 8 to 12.

For reference, the second embodiment of the present invention is the same as the first embodiment of the present invention described above with reference to FIGS. 1 to 7 except for a structure in which the writing member protrudes and is inserted from the case, and thus, the first embodiment of the present invention. The description overlapping with the embodiment will be omitted.

8 is an external perspective view of the writing instrument according to the second embodiment of the present invention when not in use, FIG. 9 is an external perspective view of the writing instrument according to the second embodiment of the present invention, and FIG. 10 is a cross-sectional view taken along line AA of FIG. 8. 11 is a cross-sectional view taken along the line AA of FIG. 9, and FIG. 12 is a cross-sectional view taken along the line AA of FIG. 10.

The writing instrument according to the second embodiment of the present invention includes a case 100 having an opening 100A, a stopper 102 coupled to the opening 100A of the case 100, and sliding in the case 100. And a writing mechanism 104 coupled to each other and a sliding mechanism 106 for sliding the writing member 104.

The case 100 may be divided into a body and a cap as in the first embodiment of the present invention, and may be fixed to each other. Alternatively, the case 100 may be formed as a single body having both ends open.

The sliding mechanism 106 is a rotating body 130 rotatably coupled to the case 100, and the lifting body 140 coupled to the writing member 104 and interlocked with the rotating body 130 and screwed. ).

The rotating body 130 may include a rotating screw part 132 having at least a part inserted into the case 100, in particular, the body 110 to be rotatable, and having a male screw. The rotating screw part 132 may be inserted into the writing member 104 so as to be freely rotatable so that the overall structure may be dense.

In addition, the rotating body 130 is disposed to be rotatable on the outside of the case 100 to facilitate the rotation operation of the rotating body 130, the rotary handle portion 134 integrally coupled with the rotating screw portion 132. ) May be further included. The rotary knob 134 may be configured to have a size capable of sealing one open end of the case 100.

The lifting body 140 may be configured in a ring shape so as to be inserted into the case 100, in particular, the body 110, and to be fitted to the outer side of the rotating body 130, in particular, the rotating screw 132. . Of course, the lifting body 140 has a female screw formed on the inner circumferential surface corresponding to the rotating screw part 132 so as to be screwed with the rotating screw part 132.

The lifting body 140 may be combined with the writing member 104 by a press-fit method, may be combined by an adhesive, may be combined by welding, and fastened by fastening members such as screws, rivets, hooks, and the like. May be

On the other hand, the sliding mechanism 106 is a sliding protrusion 150 protruding from any one of the case 100 and the lifting body 140 to restrain the free rotation of the lifting body 140, and the sliding protrusion ( A sliding guide 152 may be further included in the other one of the sliding guide 150 to guide the sliding of the sliding protrusion 150.

In the present embodiment, an example in which the sliding protrusion 150 is integrally configured with the lifting body 140 and the sliding guide 152 is integrally configured with the case 100 is disclosed.

The sliding guide 152 may be configured to have a long groove shape along the length direction of the writing instrument in the case 100.

The operation of the writing instrument according to the second embodiment of the present invention configured as described above is as follows.

If the writing member 104 is to be used in the state in which the writing member 104 is inserted, the writing member 104, holding the rotary knob 134 of the rotating body 130, the rotating body 130 Rotate to the forward direction.

Then, as the rotating body 130 is rotated, the lifting body 140 is moved by the screw thread movement of the rotating screw unit 132 of the rotating body 130 and the lifting body 140. It is moved toward the opening 100A. At this time, since the rotation of the lifting body 140 is restricted by the combination of the sliding protrusion 150 and the sliding guide 152, the lifting body 140 is only sliding along the longitudinal direction of the writing instrument.

When the lifting body 140 slides toward the opening 100A of the case 100 as described above, the writing member 104 is interlocked with the lifting body 140 to open the opening 100A of the case 100. Protruding from the case 100 through), it is possible to use the writing member 104.

Then, after the use of the writing member 104, holding the rotary knob 134 of the rotating body 130, the rotating body 130 in the reverse direction opposite to the positive direction of the rotating body 130 Rotate

Then, as the rotating body 130 is rotated, the writing member 104 moves the lifting body 140 by the screw movement of the rotating screw part 132 of the rotating body 130 and the lifting body 140. ) Slides away from the opening 100A of the case 100. In addition, the writing member 104 is inserted into the case 100 again.

Hereinafter, a third embodiment of the present invention will be described in detail with reference to FIGS. 13 and 14.

For reference, the third embodiment of the present invention is the same as, and similar to, the first embodiment of the present invention described above with reference to FIGS. 1 to 7 except for the structure of the opening and closing means. Omit.

13 is a cross-sectional view of an essential part of a writing instrument according to a third embodiment of the present invention, and FIG. 14 is a cross-sectional view taken along the line A-A of FIG.

 The writing instrument according to the third embodiment of the present invention includes a case 200 having an opening 200A, a stopper 202 coupled to the opening 200A of the case 200, and sliding to the case 200. The writing member 204 is possibly coupled.

The stopper 202 may include a stopper plate 210 that may shield the opening 200A of the case 200, and a stopper hinge pin 220 that hinges the stopper plate 210 and the case 200. And, the stopper plate 210 includes a stopper elastic member 230 for supporting to shield the opening (200A) of the case 200.

The stopper hinge pin 220 may be fixed to the case 200 and fitted to the stopper 202, in particular the stopper plate 210, to be freely rotatable.

The stopper elastic member 230 may be configured as a coil spring wound around the stopper hinge pin 220 and one end coupled to the stopper plate 210, and the other end coupled to the stopper hinge pin 220. have.

The operation of the writing instrument according to the third embodiment of the present invention configured as described above is as follows.

When the writing member 204 protrudes from the case 200 through the opening 200A of the case 200, the stopper plate 210 is opened by the writing member 204. While opening from 200A, the opening 200A of the case 200 is opened. At this time, the stopper elastic member 230 is elastically deformed.

Thereafter, when the writing member 204 is inserted into the case 200, the stopper plate 210 automatically faces toward the opening 200A of the case 200 by the restoring force of the stopper elastic member 230. It is rotated to cover the opening 200A of the case 200.

Hereinafter, a fourth embodiment of the present invention will be described in detail with reference to FIGS. 15 and 16.

For reference, the fourth embodiment of the present invention is the same as, and similar to, the first embodiment of the present invention described above with reference to FIGS. 1 to 7 except for the structure of the opening and closing means. Omit.

15 is a cross-sectional view of an essential part of the writing instrument according to a fourth embodiment of the present invention, and FIG. 16 is a cross-sectional view of an essential part of the writing instrument according to a fourth embodiment of the present invention.

The writing instrument according to the fourth embodiment of the present invention includes a case 300 having an opening 300A, a stopper 302 coupled to the opening 300A of the case 300, and sliding to the case 300. And a writing member 304 coupled as possible.

The stopper 302 may include a stopper plate 310 that may shield the opening 300A of the case 300, a hinge pin 320 that hinges the stopper plate 310 and the case 300, and The connection member 330 connecting the stopper plate 310 and the writing member 304 to open and close the opening 300A of the case 300 by interlocking with the writing member 304. It includes.

The connection member 330 may be composed of a rod structure having a plurality of joints, may be constituted by a gear set, or may be formed of a wire as in the present embodiment. That is, one side of the connection member 330 made of the wire is coupled to the stopper plate 310, and the other side is coupled to the writing member 304.

The operation of the writing instrument according to the fourth embodiment of the present invention configured as described above is as follows.

When the writing member 304 protrudes from the case 300, since the wire, which is the connecting member 330, is loosened, the stopper plate 310 of the case 300 is moved by the writing member 304. The opening 300A of the case 300 is opened while being pushed out of the opening 300A.

Thereafter, when the writing member 304 is inserted into the case 300, the plug plate 310 is pulled toward the opening 300A of the case 300 by the wire connecting member 330. The opening 300A of the case 300 is covered. In this case, since the wire connecting member 330 is pulled tight, the stopper plate 310 is constrained by the wire connecting member 330 to maintain the closed state of the opening 300A of the case 300. Can be.

In the above, embodiments of the writing instrument of the present invention have been described, which is only one example of various embodiments of the writing instrument according to the present invention, and the writing instrument according to the present invention may be varied within the scope of the technical idea of the present invention in addition to the above-described embodiments. Of course, it can be modified.

1 is an external perspective view of the writing instrument according to the first embodiment of the present invention when not in use.

2 is an external perspective view of the writing instrument according to the first embodiment of the present invention.

3 is an exploded perspective view of the writing instrument according to the first embodiment of the present invention.

4 is a cross-sectional view taken along the line A-A of FIG.

5 is a cross-sectional view taken along the line A-A of FIG.

6 is a cross-sectional view taken along the line A-A of FIG.

7 is a rear perspective view of the rubber stopper of the writing instrument according to the first embodiment of the present invention.

8 is an external perspective view of the writing instrument according to the second embodiment of the present invention when not in use.

9 is an external perspective view of the writing instrument according to the second embodiment of the present invention.

10 is a cross-sectional view taken along the line A-A of FIG.

FIG. 11 is a cross-sectional view taken along the line A-A of FIG. 9.

12 is a cross-sectional view taken along the line A-A of FIG.

13 is a sectional view of an essential part of a writing instrument according to a third embodiment of the present invention.

14 is a cross-sectional view taken along the line A-A of FIG.

15 is a cross-sectional view of an essential part of the writing instrument according to the fourth embodiment of the present invention.

16 is a cross-sectional view of an essential part of the writing instrument according to the fourth embodiment of the present invention.

<Explanation of symbols on main parts of the drawings>

2; Case 4; Writing

6; Opening and closing means 10; body

20; Cap 22; Cap body

24; Cap stopper 30; Out of Case Prevention

40; Case elastomer 50; Handwriting heart

60; Incision 70; stopper

72; Stopper 74; Border

Claims (16)

delete delete delete delete delete delete delete delete A case having an opening; A writing member provided in the case to enter and exit the opening of the case; And opening and closing means associated with the writing member to open the opening of the case when the writing member protrudes from the case and to seal the opening of the case when the writing member is inserted into the case; The opening and closing means includes an elastic body that elastically deforms when the writing member protrudes out of the case so that the opening of the case is opened, and is restored when the writing member is inserted into the case, thereby closing the opening of the case. Writing utensils. A case having an opening; A writing member provided in the case to enter and exit the opening of the case; And opening and closing means associated with the writing member to open the opening of the case when the writing member protrudes from the case and to seal the opening of the case when the writing member is inserted into the case; The opening and closing means is coupled to the opening of the case, writing instruments comprising a stopper having an incision that is elastically deformed and opened by the writing member, and retracted when restored. The method according to claim 10, The stopper portion of the stopper writing instruments having a plurality of incision lines arranged in a cross shape. The method according to claim 10, The writing instrument of the stopper portion is recessed toward the inside of the case. The method according to claim 10, Each of the case and the stopper, the writing instrument is provided with a first and second locking jaw that can be interlocked with each other. The method according to claim 10, The stopper includes a stopper provided with the cutout; Writing instrument including a ring-shaped edge portion protruding from the stopper portion to be in close contact with the case is coupled to the case. The method according to claim 10, The stopper is a writing instrument in which a tip portion in contact with the writing member protrudes concave toward the protruding direction of the writing member. The method according to claim 10, The stopper is a writing instrument having a rib (Rib) protruding toward the inside of the case, at the bent portion of the cutout.

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