KR200357378Y1 - Capless Marking Pen - Google Patents

Abstract

Since the wire member is naturally opened and closed without a cap, it is easy to use and improves sealing force in the storage state so that the cylinder is formed in a predetermined tubular shape and a spiral groove is formed on the inner surface thereof, and is rotatably assembled at one end of the shaft and the inner peripheral surface. There is a linear groove is formed in the longitudinal direction in the longitudinal direction, the front end is formed with a line member is formed pen pen entry hole, and inserted into the cylinder and the line member, the ink is stored in the pennip is assembled to the tip end and the shaft cylinder The moving protrusions assembled in the spiral groove of the core member are formed on the rear end, and the rotating restraint protrusions assembled in the linear grooves of the wire member are formed on the tip side. The other end is fixed and the lead member is opened and retracted as the lead member opens and retracts the lead member as the core member is advanced. An opening / closing member for sealing the pennipe entry hole, a pinion gear rotatably installed inside the wire member and engaged with the first rack portion of the shim member, and assembled with the pinion gear so as to reciprocate back and forth in the tip portion of the shim member. The physics provides a capless writing instrument comprising a secondary sealing device which is formed with a second rack portion and moves in a direction opposite to forward and backward movement of the wire member and maintains the closed state of the opening and closing member.

Description

Marking Pen without Cap {Capless Marking Pen}

The present invention relates to a marking pen without a cap, and more particularly, since the wire member is naturally opened and closed by advancing the core member back and forth in a writing state or storage state, it is convenient to use and improves the sealing force in the storage state of the core member. The present invention relates to a capless marking pen configured to minimize evaporation of ink.

In general, there are various types of marking pens, such as a whiteboard pen, a magic pen, a fluorescent underline pen, an aqueous sign pen, and are widely used as a tool for writing various letters, memos, and messages.

The marking pen is configured in various ways according to the purpose and function, and mainly includes an outer cylinder accommodating ink therein, a holder assembled at one end of the outer cylinder, and the ink supported by the holder and supplied with ink in the outer cylinder. It consists of a pen nib (writing nib) is written to one end, and a cap detachably assembled to the outer cylinder to surround and seal the pen nib.

Marking pens made as described above can be written by separating the cap from the outer cylinder, and after the writing is completed, the cap is assembled and stored in the outer cylinder, which is cumbersome to use.

In addition, since the cap is separated and used for every writing, there is a high risk of losing the cap, and if it is lost, the ink is evaporated and cannot be used.

The present invention has been made in view of this point, and since the wire member is naturally opened and closed by advancing the core member back and forth to be in a writing state or a storage state, it is convenient to use, and the sealing force is improved in the storage state of the core member so that the ink evaporates. It is an object of the present invention to provide a writing instrument without a cap made to minimize the.

1 is a partial cross-sectional exploded perspective view showing an embodiment of a cap without a marking pen according to the present invention.

Figure 2 is a cross-sectional view showing a writing state in one embodiment of the cap without the marking pen according to the present invention.

3 is a cross-sectional view showing a storage state in one embodiment of a cap without a marking pen according to the present invention.

Figure 4 is a partially enlarged cross-sectional view showing a state in which a locking projection is formed in the spiral groove in one embodiment of the cap without the marking pen according to the present invention.

Figure 5 is a cross-sectional view of the installation state showing the secondary sealing device in one embodiment of the cap without the marking pen according to the present invention.

Figure 6 is a cross-sectional view of the installation state showing the operating state of the opening and closing member in one embodiment of the cap without the marking pen according to the present invention.

The capless marking pen proposed by the present invention is formed in a predetermined tubular shape, and has an inner cylinder with a spiral groove formed therein, and is rotatably assembled at one end of the shaft and a straight groove formed in the longitudinal direction on the inner circumferential surface thereof. And a tip member having a pen nip entry hole formed at the distal end surface, and a pen nip inserted into the shaft and the front member and storing ink therein and assembled with a pen nip at the distal end and assembled into the spiral groove of the shaft. A core member having a protrusion formed at a rear end and assembled into a straight groove of the wire member is formed at the tip side, and a core member having a first rack portion formed at the outer peripheral surface of the tip portion, and one end thereof is fixed to the core member and the other end thereof. The part opens and closes the pen nip access hole of the wire member as the core member is advanced and the pen nip access hole of the wire member is moved backwards. And an opening / closing member, a pinion gear rotatably installed in the line member and engaged with the first rack portion of the shim member, and assembled to reciprocate back and forth in the front end portion of the shim member and engaged with the pinion gear. The second rack portion is formed and comprises a secondary sealing device for moving in the opposite direction to the forward and backward of the wire member and maintaining the closed state of the opening and closing member.

The opening and closing member is installed so that one end portion is fixed to the front end of the core member and the other portion intersects the front side of the pennip of the core member. An opening located therethrough is formed.

The opening and closing member is hard and well bent and is made of a material having excellent elasticity and is formed in a band shape. The opening and closing member is installed inside the line member and deformed into one of "b" shape, hook shape, and "U" shape.

Next, a preferred embodiment of the capless marking pen according to the present invention made as described above will be described in detail with reference to the drawings.

First, an embodiment of the capless marking pen according to the present invention is shown in Figures 1 to 3, the barrel (2) is formed in a predetermined cylindrical shape and the spiral groove 4 is formed on the inner surface, and the barrel A line member 10 rotatably assembled at one end portion of the end portion 2 and having a linear groove 15 formed in an inner circumferential surface thereof in a lengthwise direction, and a pennip entry hole 12 formed at a distal end surface thereof; And a pen nip 28 which is installed by being inserted into the inside of the line member 20 and in which ink is stored therein and is written in the tip portion, is assembled to the spiral groove 4 of the shaft 2. ) Is formed at the rear end, and the rotational confinement protrusion 25, which is assembled to the linear groove 15 of the line member 10, is formed at the front end side, and the core member 20 having the first rack part 27 formed at the outer peripheral surface of the front end side. ) And one end is fixed to the shim member 20 and the other end advances the shim member 20. D) the opening and closing member 30 for sealing the pen nip entrance hole 12 of the wire member 10 as the pen nip entrance hole 12 of the wire member 10 is opened and retracted, The pinion gear 47 rotatably installed therein and engaged with the first rack portion 27 of the shim member 20 and the front end portion of the shim member 20 so as to reciprocate back and forth and are assembled with the pinion gear. A second rack portion 57 engaged with the 47 is formed and includes an auxiliary sealing device 50 which moves in the opposite direction to the forward and backward direction of the line member 20 and maintains the closed state of the opening and closing member 30. It is done by

As shown in FIGS. 1 to 3, the shaft 2 is formed in a tubular shape in which one end surface in the longitudinal direction (the side engaged with the wire member 20) is opened.

Shaft cylinder (2) is formed in a shape that penetrates along the central axis along the longitudinal direction, and then assembled a stopper or a tail (not shown) on the other end (opposite side coupled with the line member 20), etc. It is also possible to seal.

The spiral groove 4 is formed spirally on the inner peripheral surface of the opposite end coupled to the line member 10 of the shaft (2).

In the above, the spiral groove 4 may be formed of one row screw, or may be formed of two to four row screws as necessary.

As shown in FIG. 4, it is also possible to form the locking projections 5 at one or both ends of the spiral groove 4 so that the moving projections 24 to be assembled do not move arbitrarily.

The locking protrusion 5 is formed in a round shape in a hemispherical shape to apply rotational forces in opposite directions to the shaft cylinder 2 and the wire member 10, respectively, or to any one of the shaft cylinder 2 and the wire member 10. When applied to the rotational force is formed to pass over.

In the spiral groove 4 is formed to allow the spiral movement of the moving projection 24 in the range of about 60 ~ 120 ° along the circumference of the inner circumferential surface of the shaft (2). That is, when the shaft 2 is rotated 1/6 to 1/3 of the wheel, the spiral groove 4 is formed so that the core member 20 and the auxiliary sealing device 50 are moved forward and backward.

As shown in FIGS. 1 to 3, the line member 10 forms a body 11 in a cylindrical shape with one end face (rear end face) opened and the other end face (tip face) of the body 11. It penetrates through and forms the pen nip entrance hole 12.

In the above, the line member 10 forms a body 11 in a shape (for example, a cylindrical cap shape having a hemispherical end surface) similarly to a cap that wraps and seals a pen nip such as a sine pen or a maca pen, and the body 11 The auxiliary line member 13 penetrates the distal end portion of the body 11 and protrudes sharply or roundly from the distal end surface of the body 11 to the opposite end surface thereof, and penetrates the center axis line to form the pennipe entry hole 12. It is possible to have a configuration to.

In addition, the wire member 10 in the above can be generally implemented in the same configuration as the wire member widely used in writing instruments. That is, it can be formed in the shape of the pinch which penetrates the center axis line, etc.

The linear grooves 15 are formed in one pair so as to face the inner circumferential surface of the line member 10. For example, a pair of linear grooves 15 are formed with a phase difference of 180 degrees.

Shaft cylinder 2 and the line member 10 of the cap without the marking pen according to an embodiment of the present invention made as described above, as shown in Figures 1 to 3, respectively, is formed assembly (6), (16 ) Are rotatably coupled to each other.

The assembling parts 6 and 16 can be made to be assembled with each other by means of interference fitting or screwing.

In the assembly unit 6, 16, it is possible to form a rotary projection 8 and the rotary groove 18 is rotatably supported by the rotary projection 8 and the rotary projection 8, respectively.

The core member 20 may be made of the same configuration as a sign pen or a board pen which are generally used. That is, as shown in Figs. 1 to 2, the reservoir 22 is formed in a predetermined shape and the ink is contained therein, and the length of the pennip 28 is assembled to one end in the longitudinal direction of the reservoir 22 It is possible to include a holder 26 which wraps and supports the direction intermediate portion and is formed with the first rack portion 27.

The reservoir 22 accommodates ink therein through an occlusion body 23, which is an object that stores a predetermined amount of ink in a state of being absorbed. Although not shown in the drawing, it is also possible to accommodate ink directly inside the reservoir 22 described above.

In the case where the ink is directly accommodated in the reservoir 22, the storage body 23 is installed at the end of the side where the pen nip 28 is installed so that ink is not excessively supplied to the pen nip 28. It is preferable.

As the occluding body 23, for example, a fibrous aggregate formed in a rod shape and surrounded by synthetic resin is used.

Since the pen nip 28 can be made using a fibrous aggregate or the like like a pen nip such as a board pen or a sine pen which are generally widely used, a detailed description thereof will be omitted.

The moving protrusions 24 are formed on one side or both sides of the outer circumferential surface of the opposite end on which the holder 26 of the reservoir 22 constituting the core member 20 is installed.

The rotational confinement protrusions 25 are formed at one end or at both sides of the end portion or the holder 26 on which the holder 26 of the storage container 22 is installed.

As shown in FIGS. 1 to 3, the opening and closing member 30 is fixed at one end to the tip of the core member 20, and the other end blocks the pennip 28 in front of the core member 20. The pen nib 28 is inserted in the advanced state of the core member 20, and the opening 36 positioned at the side of the pen nib 28 or the holder 26 penetrates in the retracted state.

The opening and closing member 30 is integrally fixed to the reservoir 22 or the holder 26 of the shim member 20.

In the opening and closing member 30 to form an assembling groove 35 and the assembly groove 34 integrally with the rotary binding projection 25 of the core member 20 or the reservoir 22 or holder 26 separately. It is possible to assemble to the assembly protrusion 29 is formed.

The opening and closing member 30 is made of a material that is flexible and well bent and has excellent elasticity (for example, a thin steel plate, etc.), is formed in a band shape, and is formed in the line member 20 as being “b” shaped. It is configured to deform into a hook shape, a "U" shape, and the like.

The opening 36 is formed larger than the pennib access hole 12 of the wire member 20.

The pinion gear 47 is provided between the first rack portion 27 and the second rack portion 57, as shown in Figs.

As shown in FIGS. 1 to 3, the auxiliary sealing device 50 forms a substantially ring-shaped body 52, and a band-shaped extension part in which the first rack portion 57 is formed on one side ( 54 is formed on one side of the body (52).

As shown in FIG. 5, the auxiliary sealing device 50 is supported by an elastic member 62 having one end supported on a front end face (electric end face of the electric charge) and the other end of the elastic member 62. And it is possible to further comprise an elastic projection device 60 made of a close contact with the center portion of the opening and closing member 30 of the pen nip 28 intersects the penetrating projection (64).

When the elastic projection device 60 is installed as described above, the auxiliary sealing device 50 gradually exerts a force on the opening and closing member 30 as it moves forward.

In the capless marking pen according to the present invention made as described above, as shown in FIG. 6 instead of the pinion gear 47 and the auxiliary sealing device 50, the other side of the opening and closing member 30 It is possible to form a third rack portion 37 facing each other and parallel to the first rack portion 27 at a predetermined interval at a predetermined interval and engaged with the pinion gear 47.

When the third rack portion 37 is formed as described above, when the core member 20 moves backward, a pulling force is applied to the other end of the opening / closing member 30 and the other side of the opening / closing member 30 moves forward. Since the pushing force is applied to the end portion, the operation of the opening and closing member 30 is made surely and smoothly.

In the above, a preferred embodiment of the capless marking pen according to the present invention has been described, but the present invention is not limited thereto, and the utility model registration claims and detailed description of the invention, and various modifications within the scope of the accompanying drawings, are carried out. It is possible to do this and this also falls within the scope of the present invention.

According to the capless marking pen according to the present invention, the core member is in a writing state or a storage state by applying rotational forces in opposite directions to the shaft cylinder and the wire member, respectively, or by applying a rotational force to any one of the shaft cylinder and the wire member. It is easy and simple to use.

And since the opening and closing member is installed to open the wire member in the writing state and to seal the wire member in the storage state, there is no need to install a cap.

Therefore, the ink is evaporated due to the loss of the cap, etc., making it impossible to use.

According to the capless marking pen according to the present invention as described above, the opening and closing member is in close contact with the front end of the wire member by installing the auxiliary sealing device to reciprocate in a pattern opposite to the core member. Sealing force is greatly improved.

Therefore, the evaporation of the ink is minimized, so the life is extended.

Claims (3)

A shaft having a predetermined cylindrical shape and having a spiral groove formed therein; A line member rotatably assembled at one end of the shaft and formed with a linear groove extending in a longitudinal direction on an inner circumferential surface thereof, and a pen nip access hole formed at a front end thereof; A pen nip inserted into the shaft cylinder and the line member and installed therein and storing ink therein is assembled to the tip portion, and a moving protrusion for assembling the spiral groove of the shaft cylinder is formed at the rear end and assembled to the linear groove of the line member. Rotating restraint projection is formed on the tip side and the core member having a first rack portion is formed on the outer peripheral surface of the tip portion, One end portion is fixed to the shim member and the other end is opening and closing member for sealing the pennipe entry hole of the line member as the pennipe entry hole of the wire member is opened and retracted as the core member is moved forward and backward; A pinion gear rotatably installed in the line member and engaged with the first rack portion of the shim member; A second sealing portion is assembled so as to reciprocate back and forth in the front end portion of the core member and engages with the pinion gear, and moves in a direction opposite to the forward and rearward movement of the line member and maintains a closed state of the opening and closing member. Marking pen without cap. The method according to claim 1, The opening and closing member is installed so that one end is fixed to the front end of the core member and the other end is formed to block the front of the pennip of the core member, the pennip is inserted in the forward state of the core member and the side of the pennip in the reverse state Marking pen without a cap formed by penetrating the opening located in the. The method according to claim 1, The opening and closing member is hard and well bent at the same time using a good elastic material and is formed in a band shape and is installed inside the wire member without a cap that is deformed into one of the "b" shape, hook shape, "U" shape Marking pen.