JP2003063190A - Inside cotton replacement mechanism - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an inside cotton replacement mechanism which enables an inside cotton-type writing utensil to be recycled without discarding it by replacing the inside cotton and facilitates an inside cotton replacing operation. SOLUTION: This inside cotton replacement mechanism is structured of a combination of an inside cotton-type writing utensil 10 and a cartridge 20 for inside cotton replacement. The inside cotton-type writing utensil 10 is equipped with an inside cotton 11 which can be inserted and removed in the axial direction of a barrel 12 and has a nose 13 or a tail plug screwed into an opening end of the barrel 12. In addition, a nut part 13 is formed on the outer peripheral face of the nose 13 or the tail plug. The cartridge 20 for inside cotton replacement houses a replacement inside cotton 21 in a cartridge case 22 which can be opened/closed and the cartridge case 22 has a spanner part 22b formed for engaging with the nose 13 or the nut part 13b of the tail plug and turning the nose 13 or the tail plug in the peripheral direction.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a batting pad replacement mechanism that allows batting of a batting type writing instrument to be replaced.

[0002]

2. Description of the Related Art Conventional batting type writing instruments have been constructed in such a manner that if the inside of the barrel is opened, the ink inside the batting tends to dry, so that the barrel cannot be easily opened. Therefore, the conventional batting-type writing instrument cannot replace the ink cartridge like a fountain pen, and it is the current situation that it is disposable even if there is no problem with parts other than the batting such as the pen body and the barrel. However, in recent years, from the viewpoint of environmental protection and waste disposal problems, it has recyclability,
There is a need for writing instruments with few discarded parts.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional circumstances, and an object of the present invention is to reuse a pad-type writing instrument whose ink has been exhausted by replacing the pad without discarding it. (EN) Provided is a batting exchange mechanism that enables the batting exchange work to be easily performed.

[0004]

As a technical means of the present invention for solving the above-mentioned problems, the first invention is a batting-blow exchange mechanism comprising a combination of a batting-type writing instrument and a batting-exchange cartridge, The batting type writing instrument comprises a batting which is detachably attached in the axial direction inside the barrel, and a tip opening or a tail plug is screwed into an opening end portion of the barrel, and an outer circumference of the head opening or the tail plug. A nut portion is formed on the surface, and the batting cartridge for accommodating the batting is configured to accommodate the batting for replacement in an openable cartridge case, and the cartridge case is engaged with the nut portion of the front opening or tail plug. A wrench portion for rotating the front opening or the tail plug in the circumferential direction is formed.

According to the above technical means, when removing the front end or tail plug screwed to the shaft cylinder for replacement of the inner cap, the nut part formed on the outer peripheral surface of the front end or tail plug is inserted into the inner cap. The batting replacement cartridge is rotated in the circumferential direction so as to engage the spanner portion formed on the replacement cartridge and loosen the front end or the tail plug screwed together. The front opening or tail plug is loosened and removed from the barrel by being rotated in the circumferential direction together with the batting cartridge.

The second invention is characterized in that a knurl is formed on the outer peripheral surface of the front opening or the tail plug so that the front opening or the tail plug can be rotated by hand.

Further, in the third invention, the spanner portion is formed at one end side portion in the longitudinal direction of the cartridge case in order to make it easier to rotate the front opening or the tail plug by the batting cartridge. Is characterized by.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows an example of a batting exchange mechanism according to the present invention. The batting replacement mechanism A includes batting 11, and batting type writing instrument 10 (see FIG. 2) that allows batting 11 to be replaced, and batting replacement cartridge 20 (see FIG. 5) containing replacement batting 21. Combining with.

The batting type writing instrument 10 comprises a batting 11 which is detachable in the axial direction in a barrel 12, and the barrel 12
A front opening 13 is screwed into the opening end portion of the front end.
A pen body 14 is attached to the shaft center portion of 3. Incidentally, reference numeral 1
Reference numeral 5 is a cap that is attached to and detached from the front opening 13 (see FIG. 2).

The shaft cylinder 12 has a substantially bottomed cylindrical shape with one end opened, and a female screw portion 12a is formed on the inner peripheral surface on the open end side.
In addition to the above, the inner peripheral surface on the other end side is formed with a plurality of batting pad protruding ridges 12b circumferentially contacting the loaded batting 11 from the outer periphery.

The front opening 13 holds a pen knife-shaped pen body 14 made of a fibrous member on the inner peripheral surface on the front end side. The pen body from the batting 11 is dropped on the holding surface by a drop impact or the like. An ink storage portion 13a for temporarily storing the ink rapidly ejected to the 14 side is formed, and the ink storage portion 13a is formed.
The front end of the batting 11 is brought into contact with.

Further, on the inner peripheral surface on the rear end side of the tip opening 13,
A batting fitting ridge 1 for pressing and supporting the batting 11 in the axial direction
A plurality of 3d (see FIG. 3) is formed in the circumferential direction.

Incidentally, the batting-holding ridge 12b in the shaft cylinder 12
Is for contacting the batting 11 to such an extent that the batting 11 is not shaken in the barrel 12, whereas the batting fitting protrusion 13d in the front opening 13 is so loosely fitted as to the batting 11. Has been formed. Therefore, when the front opening 13 is removed from the shaft cylinder 12, the batting 11 is pulled out from the shaft cylinder 12 together with the front opening 13 (see FIG. 1B).

A male screw portion 13c is formed on the outer peripheral surface on the rear end side of the tip opening 13 and is screwed into the female screw portion 12a on the one end side of the opening of the barrel 12. The male screw portion 13c is formed more than the male screw portion 13c. On the front side, an annular projection 13f is formed that is hermetically pressed against the inner peripheral surface of the barrel 12. Then, on the outer peripheral surface of the tip opening 13, on the front side of the annular protrusion 13f, a spanner portion 22b provided in a batting replacement cartridge 20 described later.
Is formed with a nut portion 13b that can be engaged with the knurl 13e, and a knurl 13e is formed on the front side of the nut portion 13b.

The nut portion 13b is formed by forming a plurality of cutout portions 13b2 in the circumferential direction on the outer peripheral surface of an annular flange portion 13b1 formed so as to abut the front end surface of the shaft cylinder 12 (see FIG. 3). ). Further, the knurl 13e is the front end 1
3 is formed in an uneven shape on the outer peripheral surface. The knurl 13e acts as a slip stopper when gripping and turning the front opening 13 when the front opening 13 is attached to or detached from the barrel 12.

The ink storage portion 13a in the front port 13 has a plurality of axial vertical grooves arranged radially (see FIG. 4), and ink when ejected rapidly from the batting 11 due to impact or the like is used. The ink is temporarily stored by the capillary force of the vertical groove and gradually absorbed by the pen body 14 to prevent ink dripping from the pen body 14.

The ink reservoir 1 in the front port 13
An air exchange groove 13g is formed on the front end side of 3a (see FIG. 2). This air exchange groove 13g is made of batting 11
As the ink in the inside is consumed, air is sucked into the barrel 12 from the outside.

The batting 11 is made by filling synthetic resin fibers in a cylindrical non-permeable film 11a and impregnating the synthetic resin fibers with aqueous ink. The front end surface of the batting 11 has a rear end of a pen body 14. Part is inserted. The material of the non-permeable film 11a is not particularly limited as long as it does not allow the water-based ink to permeate, and for example, polypropylene, polyethylene, cellophane, etc. are used.

The batting replacement cartridge 20 accommodates two replacement battings 21 and 21 in a cartridge case 22 which can be opened and closed by attaching and detaching a cap 23. A spanner portion 22b engageable with the nut portion 13b of the front opening 13 is formed at a portion on one end side thereof (see FIG. 5).

The cartridge case 22 has an internal
Two accommodating holes 22a, 22a for accommodating each of the two replacement battings 21, 21 are arranged in parallel. A cap 23 is detachably fitted to the open end of each accommodation hole 22a.

At the bottom of the accommodation hole 22a, the replacement batting 2
1 for holding the batting 22a1
Are formed in the circumferential direction. Also, the cap 23
The inner bottom portion is also formed with a plurality of batting-holding ridges 23a circumferentially contacting the other end of the replacement batting 21 from the outer circumference. Therefore, the replacement batting 21 has one end side and the other end side of the replacement batting 21 inside the cartridge case 22.
1 and the batting-holding ridges 23a in the cap 23, the ink is housed so as not to rattling and ejecting ink.

Spanner portion 22b of the cartridge case 22
Forms a projecting piece 22b1 on one end of the cartridge case 22 so as to project in the longitudinal direction.
The b1 is formed with a through hole having an uneven inner surface capable of fitting with the nut portion 13b of the front opening 13.

The cap 23 is a cylindrical portion 23c having a substantially bottomed cylindrical shape.
Is formed on the outer peripheral surface thereof in the centrifugal direction and is continuous in the axial direction, and when an infant swallows the cap 23 by the projection 23b,
Ensure an air passage in the infant's throat. That is, since the cap of the writing instrument can be easily held by an infant, in order to prevent accidental swallowing and clogging of the throat and suffocation, JIS standard S6060 (for children up to 14 years old The safety standards are stipulated by the writing / marking tool cap-safety requirement), and the ridge 23b ensures an air passage even if the trachea of an infant should be blocked. In the cap 23 of the present embodiment, two spaces s, s having a substantially triangular cross section formed by the outer peripheral surface of the cylindrical portion 23c and the protrusions 23b (see FIG. 6).
However, it serves as an air passage for satisfying the above regulations.

The projection 23b of the cap 23 also acts as a slip stopper when the cap 23 is removed from the cartridge case 22. That is, when the cap 23 is detached from the cartridge case 22, the protrusion 23b is put on the hand and the cap 23 is rotated, so that the cap 2
3 will be easily removed from the cartridge case 22.

The replacement batting 21 is the batting type writing instrument 10 described above.
Cylindrical non-permeable coating 2 having the same structure as the batting 11 of
1a is filled with synthetic resin fibers, and the synthetic resin fibers are impregnated with an aqueous ink.

Next, the batting exchange mechanism A having the above construction
The procedure for replacing the batting 11 in the batting type writing instrument 10 with the replacement batting 21 housed in the batting replacement cartridge 20 will be described in detail. First, as shown in FIG.
Nut part 13b of the front end 13 of the filling material 10
The wrench 22b of the batting cartridge 20 is fitted into the. Then, the front opening 13 is rotated counterclockwise by the batting cartridge 20 and loosened from the barrel 12. The loosened front opening 13 is pulled out in the axial direction as shown in FIG. At that time, the batting 11 that is loosely fitted in the front opening 13 together with the front opening 13 is the barrel 1.
Pulled out from 2. Batting 1 pulled out from the barrel 12
1, the outer peripheral surface is picked up by hand and pulled out from the front opening 13.

Next, the replacement batting 21 taken out from the batting replacement cartridge 20 is fitted into the front opening 13. Then, in the reverse order of the above, the replacement batting 2
The front port 13 into which 1 is fitted is attached to the barrel 12. At that time, the spanner portion 22b formed on the batting cartridge 20 is fitted to the batting cartridge 20 for replacement.
Is rotated clockwise to move the front end 13 to the barrel 12
If tightened, the front opening 13 can be firmly fixed to the barrel 12 so as not to loosen easily.

Since the front mouth 13 is provided with a knurl 13e for preventing slipping, sometimes it is necessary to grasp and rotate the front mouth 13 by hand without using the above-mentioned batting replacement cartridge 20. It is also possible to loosen or tighten by.

Next, a batting type writing instrument 10 'illustrated in FIG.
Will be described. While this batting type writing instrument 10 'is a single-head type writing instrument in which the batting type writing instrument 10 described above has a tip knife-cut type pen body 14 at the front end of the barrel 12, it also has a pen body at the rear end. Since the writing instrument is a double-headed writing instrument, the same reference numerals are given to components that are basically the same as those of the batting type writing instrument 10 described above, and redundant description will be omitted.

The batting type writing instrument 10 'is provided with a fine writing pen body 14' such as a tip bullet shape or a tip cone shape at the rear end of the shaft cylinder 12 ', and a pen body mounting structure at the front end of the shaft cylinder 12'. Are the same as those of the filling material 10 described above.

The shaft cylinder 12 'has a front end formed in the same manner as the shaft cylinder 12 of the batting type writing instrument 10, and a fine writing front opening 12c formed integrally with the rear end thereof.

The fine writing front opening 12c is formed in such a shape that the inside thereof is smaller than the inside of the front opening 13 by one size.
An ink reservoir 12c1 and an air exchange groove 12c2 having the same structure as the front port 13 are provided. Then, the fine writing side cap 16 is detachably fitted to the outer periphery of the fine writing front opening portion 12c.

In the batting pad exchange mechanism A, a batting type writing instrument 1
The front port 13 of 0 is configured to be attached and detached by being tightened or loosened by the spanner portion 22b formed in the batting cartridge 20 for replacement, but a tail plug is provided separately from the shaft cylinder,
The tail plug may be replaced by tightening or loosening it by the spanner portion 22b formed in the batting cartridge 20 so that the batting 11 can be replaced by attaching or detaching the tail plug. . In this case, like the nut portion 13b of the front opening 13, a nut portion engageable with the spanner portion 22b formed in the batting cartridge 20 is provided on the outer periphery of the tail plug, whereby The plug can be screwed to the rear end of the barrel.

Next, the batting exchange mechanism B illustrated in FIG. 8 will be described. The batting exchange mechanism B has a structure in which the tip 13 of the batting exchange mechanism A described above is replaced with the tip 13 'and the batting replacement cartridge 20 is replaced with a batting replacement cartridge 20'. Components that are basically the same as the above are denoted by the same reference numerals, and redundant description will be omitted.

The front opening 13 'is the nut portion 1 of the front opening 13.
3b is replaced by a nut portion 13b ', and the other portions are configured in the same manner as the front port 13 described above. The nut portion 13b 'is formed by forming parallel both-side flat surface portions 13b1', 13b1 'on the outer peripheral surface of the front opening 13' with the axis interposed therebetween.

The batting cartridge 20 'is constructed by replacing the spanner portion 22b of the batting cartridge 20 with a spanner portion 22b', and the other parts are constructed in the same manner as the batting cartridge 20. The wrench portion 22b 'is attached to the projecting piece portion 22b1' projecting in the longitudinal direction from the one end side portion of the cartridge case 22 and the front opening
The inner surface shape (for example, U shape) which can be fitted with the nut portion 13b 'of 3'is formed.

Thus, according to the batting pad exchanging mechanism B having the above structure, the spanner portion 22b 'of the batting pad replacement cartridge 20' is provided.
Is fitted to the nut portion 13b 'of the front opening 13' and the batting replacement cartridge 20 'is rotated, so that the front opening 13' can be easily tightened or loosened.
Note that, like the batting pad exchanging mechanism A described above, the batting pad exchanging mechanism B has a knurl 13e formed on the outer periphery of the tip opening 13 'so that the tip opening 13' can be turned by hand.

[0038]

Since the present invention is constructed as described above, it has the following effects. According to the first aspect of the invention, by loosening and removing the front end or tail plug screwed to the shaft cylinder, the batting inside the shaft cylinder can be pulled out and replaced with a replacement batting, and furthermore, the cartridge case Can be used as a tool to loosen the head or tail plug. Therefore, the batting replacement work can be easily performed by using the cartridge case as this tool. Furthermore, according to the second aspect of the invention, since the axial knurling is formed on the outer peripheral surface of the front opening or the tail plug to be attached / detached, the knurl serves as a slip stopper when the front opening or the tail plug is rotated. This also makes it easy to manually turn on or remove the tip or tail plug. Furthermore, according to the third aspect of the invention, since the spanner portion is formed on one end side in the longitudinal direction of the cartridge case, the work of rotating the front end or the tail plug by tightening or loosening it is further facilitated by the lever action. Become.

[Brief description of drawings]

FIG. 1 is a perspective view showing an example of a batting exchange mechanism according to the present invention, FIG. 1A shows a state in which a nut portion of a front opening is engaged with a spanner portion of a cartridge case to loosen the front opening; (B) shows a state in which the front end is removed from the barrel.

FIG. 2 is a vertical sectional view showing an example of a batting type writing instrument according to the present invention.

FIG. 3 is an enlarged sectional view taken along line (III)-(III) of FIG.

FIG. 4 is an enlarged sectional view taken along line (IV)-(IV) in FIG.

FIG. 5 is a vertical cross-sectional view showing an example of a batting replacement cartridge according to the present invention.

FIG. 6 is an enlarged top view of the same batting replacement cartridge.

FIG. 7 is a vertical cross-sectional view showing another example of the batting replacement cartridge according to the present invention.

FIG. 8 is a perspective view showing another example of the batting replacement mechanism according to the present invention, in which (a) shows a state in which the nut portion of the front opening is engaged with the spanner portion of the cartridge case to loosen the front opening. , (B) show a state in which the front end is removed from the barrel.

9 is an enlarged sectional view taken along line (IX)-(IX) in FIG.

[Explanation of symbols]

10: Filling pen 12, 12 ': Shaft cylinder 13: Tip 13b: nut part 13e: Knurl 20: Cartridge replacement cartridge 21: Replacement batting 22: Cartridge case 22b: Spanner part A: Batting exchange mechanism

Claims (3)

[Claims] 1. A batting exchange mechanism comprising a combination of a batting type writing implement and a batting exchange cartridge, wherein the batting type writing implement comprises a batting that is removable in the axial direction in the barrel. The front end or the tail plug is screwed into the opening end of the, and a nut portion is formed on the outer peripheral surface of the front port or the tail plug. The batting cartridge for replacement is a batting for replacement in an openable cartridge case. And a wrench portion for engaging the nut portion of the front opening or the tail plug and rotating the front opening or the tail plug in the circumferential direction is formed in the cartridge case. Batting exchange mechanism. 2. The batting exchange mechanism according to claim 1, wherein a knurl is formed on an outer peripheral surface of the front opening or the tail plug. 3. The batting pad replacement mechanism according to claim 1, wherein the spanner portion is formed on one end side portion in the longitudinal direction of the cartridge case.