KR200357375Y1 - Capless Marking Pen - Google Patents

Abstract

Since the wire member is naturally opened and closed without a cap, it is convenient to use and improves the sealing force in the storage state. The cylinder is formed in a predetermined cylindrical shape and the inner surface is divided into two parts to form spiral grooves in different directions. It is rotatably assembled in the part, and the inner circumferential surface is formed with two or more linear grooves extending in the longitudinal direction, and the front end surface is installed by inserting the inside of the cylinder and the line member, and the ink is stored therein. The pen nip is written on the tip of the pennip, and the moving protrusion is assembled on the rear spiral groove of the shaft, and the core member is formed on the tip side of the core. Fixed to the member and the other end opens and retracts the pennipe entry hole of the line member as it advances the core member. The opening / closing member for sealing the pennipe entry hole of the member, and the moving protrusion assembled in the spiral groove of the front side of the shaft are formed at the rear end, and the rotating restraint protrusion assembled in the linear groove of the wire member is formed at the tip side, and the direction opposite to the forward and backward movement of the wire member. It provides a cap-free marking pen comprising a secondary sealing device to move to and maintain 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 specifically, 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 nip (Nib) is written to one end, and a cap detachably assembled to the outer cylinder to surround and seal the pen nip.

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 cap without a marking pen made to minimize.

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.

5 is a partially enlarged cross-sectional view showing a state in which an idle groove and a spiral extension groove are formed in a spiral groove in one embodiment of a capless marking pen according to the present invention.

Figure 6 is a partially enlarged cross-sectional view showing the opening and closing member and the auxiliary sealing device in one embodiment of the capless marking pen according to the present invention.

Figure 7 is a partially enlarged cross-sectional view showing a state in which the elastic projection device is installed in the auxiliary sealing device 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 is divided into two parts, and has a shaft having spiral grooves formed in different directions, and is rotatably assembled at one end of the shaft and has an inner peripheral surface. At least two straight grooves are formed in the longitudinal direction, and the front end face is formed with a line member having a pen nip access hole, and a pen nip inserted into the shaft and the line member and stored therein with ink to write therein. A core member, which is assembled and assembled into the rear spiral groove of the shaft, is formed at the rear end, and a core member is formed at the distal end thereof with a rotary binding protrusion assembled into the linear groove of the line member, and one end is fixed to the core member and the other The end part opens the pen nip access hole of the wire member as the core member is advanced and moves the pen nip access hole of the wire member as the reverse member is moved backward. The closing member is formed in the rear end of the opening and closing member, the moving projection is assembled to the front spiral groove of the shaft cylinder, and the rotating binding projection is assembled to the linear groove of the line member is formed in the front end and moves in the opposite direction to the forward and backward of the line member It includes a secondary sealing device for maintaining the closed state of the opening and closing member.

The opening and closing member is formed by penetrating the portion of the main body and the main body is formed so that one end is fixed to the core member and the other end is formed to block the front of the pen nip of the core member, and in the forward state of the core member When the pen nip is inserted and retracted, it consists of an opening located on the side of the pen nip.

In the above, the main body is hard and well bent and is made of a material having excellent elasticity, and is formed in a band shape, and is installed inside the wire member to be deformed into one of "b" shape, hook shape, and "U" shape.

The auxiliary sealing device has a cylindrical shape that penetrates the center axis line so that the core member can move forward or backward therein, and an outer circumferential surface thereof has a body in which the moving protrusion and the rotational confinement protrusion are formed, and the rotational confinement protrusion of the core member is inward. The cutout portion is formed by cutting both sides of the body in the longitudinal direction so as to be movable in an outwardly protruding state.

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, as shown in Figures 1 to 3, is formed in a predetermined cylindrical shape and divided into two parts the inner surface of the spiral grooves 4, 6 ) Is formed in the shaft (2) and rotatably assembled at one end of the shaft (2), the inner circumferential surface is formed with two or more linear grooves (15), (17) long in the longitudinal direction, the pen nip A front member 10 having an entrance hole 12 formed therein, and a pen nib 28 inserted into the shaft cylinder 2 and the front member 10, in which ink is stored and writing is assembled at the distal end thereof. And a moving protrusion 24, which is assembled to the rear spiral groove 4 of the shaft 2, is formed at the rear end thereof, and the rotary binding protrusion 25, which is assembled to the linear groove 15 of the line member 10, is disposed at the tip side thereof. The core member 20 is formed, and one end thereof is fixed to the core member 20 and the other end transfers the core member 20. Opening and closing member 30 for sealing the pen nip access hole 12 of the wire member 10 as the opening and the reverse opening the pen nip access hole 12 of the wire member 10 in advance, and the shaft barrel (2) The moving projection 46 is assembled to the front spiral groove 16 of the rear side is formed at the rear end and the rotational convex projection 47 is assembled to the linear groove 17 of the line member 10 is formed at the front end of the wire member It includes a secondary sealing device 40 to move in the opposite direction to the forward and backward of the (10) and to maintain the closed state of the opening and closing member (30).

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 10) is opened.

The shaft 2 is formed in a shape in which the center axis line penetrates along the longitudinal direction, and then, by assembling a stopper or tail (not shown in the drawing) on the other end (the opposite side coupled with the line member 10), etc. It is also possible to seal.

The spiral groove 4 to which the moving protrusions 24 of the shim member 20 are assembled is formed spirally on the inner peripheral surface of the opposite end coupled to the line member 10 of the shaft 2.

The spiral groove 6 to which the movable protrusion 46 of the auxiliary sealing device 40 is assembled is opposite to the spiral groove 4 on the inner peripheral surface of the end portion coupled to the wire member 10 of the shaft 2. It is formed in a spiral with a pattern of.

For example, the spiral groove 4 to which the moving protrusions 24 of the core member 20 are assembled may be formed in the right-hand direction, and the spiral groove 6 to which the moving protrusions 46 of the auxiliary sealing device 40 are assembled. Is formed in the direction of the left screw.

The spiral grooves 4 and 6 may be formed by one row screw, or may be formed by two to four row screws as necessary.

At least one of the respective spiral grooves 4 and 6, as shown in Fig. 4, the engaging projections 3 at one or both ends so that the moving projections 24 and 46 to be assembled are not moved arbitrarily. It is also possible to form (5).

The locking projections 3 and 5 are rounded in a substantially hemispherical shape to apply rotational forces in opposite directions to the shaft 2 and the line member 10, respectively, or to the shaft 2 and the line member 10. When applied to any one of the rotational force is formed to go over.

As shown in FIG. 5, the idle groove 7 is formed at the end of the rear of the spiral groove 4 formed at the rear end of the shaft 2 (the side where the moving protrusion 24 of the core member 10 is reversed). It is possible to form an extended spiral groove 7a at the end of the front side of the spiral groove 6 formed at the tip end of the shaft cylinder 2 (the moving protrusion 46 of the auxiliary sealing device 40 is advanced). Do.

When the idle groove 7 and the extended spiral groove (7a) is formed as described above, when the core member 20 is reversed, the reverse stops as much as the idle groove (7) section, the auxiliary sealing device 40 is extended Since the spiral groove 7a continues to move forward, the sealing force of the opening and closing member 30 may be improved.

In the above, each of the spiral grooves 4, 6 is a moving projection 24 and the auxiliary sealing of the shim member 20 in the range of approximately 60 ~ 120 ° around the inner circumferential surface of the shaft (2), respectively It is formed to enable the spiral movement of the moving projection 46 of the device 40. In other words, when the shaft 2 is rotated 1/6 to 1/3, the spiral grooves 4 and 6 are formed such that the core member 20 and the auxiliary sealing device 40 are moved forward and backward, respectively. do.

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.

Rotation of the linear groove 15 and the auxiliary sealing device 40 in which the rotational confinement protrusion 25 of the shim member 20 is assembled among the linear grooves 15 and 17 formed in the line member 10. The straight grooves 17 to which the restraining protrusions 47 are assembled are formed at predetermined intervals along the inner circumferential surface of the line member 10.

The linear grooves 15 and 17 are formed in pairs so as to face the inner circumferential surface of the line member 10, respectively. For example, a pair of linear grooves 15 are formed with a phase difference of 180 degrees, and a pair of linear grooves 17 are formed with a phase difference of 90 degrees with the linear grooves 15.

Each of the linear grooves 15 and 17 may be formed in one piece, or may be formed in three pieces each.

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, the assembling portion (8), (18) ) Are rotatably coupled to each other.

The assembly portions 8, 18 can be made of a structure that is assembled to each other by an interference fit or screw type.

In the above assembly unit 8, 18 it is possible to form a rotary projection 9 and the rotary groove 19 is rotatably supported by the rotary projection 9 and the rotary projection 9, 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 for wrapping and supporting the direction intermediate portion.

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 received inside the reservoir 22, the housing 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 protrusion 25 is formed at one side or both sides of the end portion or the holder 26 on which the holder 26 of the storage container 22 is installed.

1 to 3, the opening and closing member 30, one end is fixed to the core member 20 and the other end is formed so as to obstruct the front of the pennip 28 of the core member 20 Opening is formed through the main body 32 and a portion of the main body 32 which is installed to the side of the pen nip 28 in the retracted state of the core member 20 is inserted into the pen nip 28 in the writing state It consists of 36.

One end of the main body 32 is integrally fixed to the reservoir 22 or the holder 26 of the core member 20.

The assembly 32 is formed in the main body 32 and the assembly groove 34 is integrally connected to the rotary confinement protrusion 25 of the core member 20 or the reservoir 22 or the holder 26 separately. It is possible to assemble to an assembly protrusion (not shown) to be formed.

The main body 32 of the opening and closing member 30 is hard and well bent and is made of a material having excellent elasticity (for example, a thin steel plate, etc.), is formed in a band shape, and installed in the inside of the wire member 20 Therefore, it is configured to be deformed into "b" shape, hook shape, "U" shape and the like.

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

As shown in FIGS. 1 to 3, the auxiliary sealing device 40 has a cylindrical shape through which a center axis line passes through the core member 20 so that the core member 20 can be moved forward or backward from the inside thereof. 46 and both sides of the body 42 to which the rotational confinement 47 is formed, and the rotational confinement projection 25 of the shim member 20 are movable from the inner side to the outer side. It consists of a cutout portion 45 is formed by cutting long along the longitudinal direction.

It is possible to integrally extend the close contact portion 48 for applying a force to the opening and closing member 30 on the front end surface (advancing end surface) of the body 42.

As shown in FIG. 6, the auxiliary sealing device 40 has a protruding piece 49 formed at the tip side of the body 42, and the other end of the main body 32 of the opening / closing member 30 has the protruding portion. It is possible to form the assembling hole 39 in which the piece 49 is assembled.

When forming the protruding piece 49 and the insertion hole 39 as described above, when the auxiliary sealing device 40 is reversed, a pulling force is applied to the other end of the opening and closing member 30 when the auxiliary sealing device 40 is reversed and the opening and closing member is moved forward. Since the pushing force is applied to the other end of the 30, the operation of the opening and closing member 30 can be made accurately and smoothly.

As shown in FIG. 7, the auxiliary sealing device 40 is supported by an elastic member 52 having one end supported on a front end face (electric end face of the electric transfer), and supported by the other end of the elastic member 52. And it is possible to further comprise an elastic projection device 50 made of a close contact with the center portion of the opening and closing member 30 of the pennip 28, the penetrating projection 52 penetrates.

When the elastic protrusion device 50 is installed as described above, the auxiliary sealing device 40 gradually exerts a force on the opening / closing member 30 as it moves forward.

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 becomes 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 (4)

Shaft cylinder is formed in a predetermined tubular shape and the inner surface is divided into two parts to form a spiral groove in different directions, A line member rotatably assembled at one end of the shaft and having two or more linear grooves formed in an inner circumferential surface thereof in a lengthwise direction, and a pennip entry hole formed at a front end thereof; A pen nip inserted into the shaft and the line member and installed therein is stored in the ink, and a pen nip is assembled to the front end and a moving protrusion is assembled to the rear spiral groove of the shaft and formed at the rear end thereof. A core member having a rotating binding protrusion to be assembled at a tip end thereof, 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; The moving protrusions assembled in the front spiral groove of the shaft are formed at the rear end, and the rotating binding protrusions assembled in the linear groove of the wire member are formed at the tip side, and move in the opposite direction to the forward and backward movement of the wire member, and the opening / closing member is closed. Marking-free caps made of a cap containing an auxiliary sealing device to maintain. The method according to claim 1, The opening and closing member is formed by penetrating the portion of the main body and the main body is formed so that one end is fixed to the core member and the other end is formed to block the front of the pen nip of the core member, and in the forward state of the core member Marking pen without a cap consisting of an opening located on the side of the pen nip when the pen nip is inserted and retracted. The method according to claim 2, The main body of the opening and closing member is hard and well bent at the same time using a material with excellent elasticity and is formed in the shape of a band, and is installed in one of the "b" shape, hook shape, "U" shape as installed inside the wire member Marking pen without cap. The method according to any one of claims 1 to 3, The auxiliary sealing device has a cylindrical shape that penetrates the center axis line so that the core member can move forward or backward therein, and an outer circumferential surface thereof has a body in which the moving protrusion and the rotational confinement protrusion are formed, and the rotational confinement protrusion of the core member is inward. Marking pen without a cap consisting of an incision formed by making a long cut along both sides of the body in the longitudinal direction so as to move outwardly protruded from.