JP2606544Y2 - Core container for writing utensils - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lead container for a writing instrument such as a mechanical pencil, and more particularly to a lead container for a writing instrument capable of easily and accurately taking out the leads one by one as needed.

[0002]

2. Description of the Related Art As a core container for a writing instrument of this kind, a core is detached from a core case and a cap which can be opened and closed is used, and a core is appropriately taken out by opening and closing the cap. Therefore, it has been difficult to reliably take out the desired number of cores.

[0003] Further, as a core container from which a suitable number of cores are taken out, for example, in Japanese Utility Model Application Publication No. 34155 published in 1986, filed by the present applicant, a lid is provided on a core storage cylinder, and a lid is provided. There is disclosed a wick container capable of removing an appropriate number of wicks by rotating the body. However, in this core container, the core is taken out according to the rotation angle of the lid, so that it is difficult to take out the cores one by one simply and reliably.

[0004]

SUMMARY OF THE INVENTION The present invention solves the above-mentioned drawbacks of the conventional core container, and enables simple and reliable removal of the cores contained in the core container one by one as needed. It is an object of the present invention to provide a possible core container for a writing instrument.

[0005]

According to the present invention, there is provided a writing instrument core comprising an outer case and an inner case slidably provided in the outer case. A container, wherein the outer case has a first wick supply port through which wicks are supplied to the outside one by one at the tip thereof, and the inner case is capable of accommodating a plurality of wicks. A wick accommodating portion having a space to be formed and having a second wick supply port positioned coaxially with the first wick supply port at the front end thereof, and the first wick supply port and the second wick supply port And a first movable piece having a third core supply port located between the first core supply port and the second core supply port and coaxially outside the outer case. In addition, the first movable piece of the inner case is further urged inwardly of the container to open the third core supply port. Serial first and second core supply port and writing instrument core container formed by providing a first actuatable means for freely positioning coaxially to obtain.

[0006]

According to the lead container for a writing instrument according to the present invention having the above structure, the inner case of the lead container in which the lead is accommodated is further pushed into the outer case, or the through-hole formed in the side wall of the outer case. The third piece provided between the first core supply port and the second core supply port formed in the outer case and the inner case simply by pushing the movable piece of the inner case exposed from the second case. By locating the wick supply ports coaxially with the first and second wick supply ports, the wicks can be easily and reliably taken out one by one.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below in detail with reference to the accompanying drawings. 1 to 4 show a first embodiment of the present invention, FIG. 1 is an exploded perspective view of a core container according to the present invention, and FIGS. 2 and 3 are diagrams of a core container for explaining the operation. It is each sectional drawing.

In these figures, an outer case 1 is formed in an elongated shape by a transparent plastic, and a rear portion thereof is opened so that an inner case 2 containing a core to be described later is inserted therefrom. . This outer case 1
Is formed with a first core supply port 3 through which one core can pass, and the core supply port 3 is formed integrally with the outer case 1 and has a nozzle portion 4 for guiding the core outward. Are formed. Further, a first thick portion 5 and a second thick portion 6 having different longitudinal lengths are formed on both sides of the front inner wall portion of the outer case 1.

[0009] On the other hand, the inner case 2, be of elongate shape made of a plastic corresponding to the outer casing 1 houses a number of cores to facilitate putting the core from the outside in a state where the core vessel next It has a core accommodating portion 7 whose upper surface corresponding to the core mounting surface is open. This core receiving part 7
It has a space for accommodating a plurality of wicks, and a second wick supply port 8 coaxially with the first wick supply port 3 and one wick at its front end as described later. And a guide groove 9 formed in the longitudinal direction for guiding to the core supply port 8.

Further, the core mounting surface of the core receiving portion 7
It is inclined downward from both sides toward the direction of the core guide groove 9. The inside of the upright wall in which the second core supply port 8 formed at the tip of the guide groove 9 of the core accommodating portion 7 forms an inclined surface from both sides toward the second supply port 8. are doing.

Further, the tip portion of the inner case 2 as described above, as the inner case 2 when it is inserted into the outer casing 1, which is located in the first core supply port 3 and coaxially of the outer case 1 A second core supply port 8 is formed at the bottom. The core supply ports 3 and 8 are located between the second core supply port 8 of the inner case 1 and the first core supply port 3 of the outer case 1.
The first movable piece 11 having the third core supply port 10 located off-coaxial in the normal state, that is, in the non-operating state, is formed toward the front of the inner case 2. The first movable piece 11 is formed in a spring structure so as to always press the inner wall of the outer case 1 when the inner case 2 is assembled into the outer case 1.

Further, the first case in the inner case 2
A notch portion 12 is formed in a part of the upright wall portion of the core accommodating portion 7 facing the movable piece 11, and the notch portion 12 extends forward from the outer wall surface of the upright portion of the inner case 2. Core removal portion 14 formed at the tip of second movable piece 13
Is located. A projection 13a is formed on the outer wall of the tip of the movable piece 13, and the movable piece 13 always presses the inner wall of the outer case 1 when the inner case 2 is incorporated into the outer case 1. It is formed in a simple spring structure.

A locking hole 15 is formed in the side wall of the outer case 1 as shown, and a locking projection is provided on the second movable piece corresponding to the locking hole 15. ing. Reference numeral 17 in the drawing denotes an operation unit formed at the rear end of the inner case 2.

Next, the operation of the writing implement core container according to the above embodiment will be described. First, prior to assembling the inner case 2 into the outer case 1, the inner case 2 is placed sideways, that is, with the open side of the inner case 2 up, and an appropriate number of cores are stored in the core housing portion of the inner case 2. . The tip of the inner case 2 containing the core is inserted into the outer case 1, and the inner case 2 is pushed down to the position shown in FIG.

In this case, the movable pieces 11 and 13 of the inner case 2
Is a spring structure that presses outward as described above, so that the inner wall portion of the outer case 1 is pressed by these, so that the inner case 2 is prevented from falling off.

Further, the operation unit 17 is pushed to move the inner case 2
When the pushed out of the case 1, the second movable piece 13 is in contact with the outer Ke <br/> thick portion 6 formed on the front portion of the over scan 1 equivalent, is moved its front end is inwardly . Therefore, first, the protrusion on the outer side of the core removing portion 14 of the movable piece 13 comes into contact with the thick portion 6, and the core removing portion 14 removes a core other than the core in the guide groove 9 from the vicinity thereof.

Next, when the core container is set up, that is, with the open side of the outer case 1 facing upward, the operating section is pushed to further push the inner case 2 into the outer case 1, and the first movable piece 11
The front end of the outer case 1 is moved inward by contacting the first thick portion 5 formed at the front portion of the outer case 1 . Therefore, the third lead supply port 10 of the movable piece 11 is connected to the first lead supply port 3 and the second lead supply port 3.
Is positioned coaxially with the core supply port 8. In this state, one core in the guide groove 9 of the core accommodating portion 7 is reliably discharged downward through the second core supply port 8, the third core supply port 10, and the second core supply port 3. You.

[0018] When releasing the operation part 17, the rear portion of the thick portion 5, 6 of the outer case 1, than that to form a descending section toward the rear, distal end of the movable piece 11 and 13 Is applied with a biasing force for returning backward by a spring force, and slides down the descending portion to return to the position shown in FIG. 2 (a). If it is necessary to discharge another lead, the operation unit 17 may be pressed again to repeat the same operation as described above.

Further, according to the above embodiment, the projection 16 is provided outside the second movable piece 13 so that the locking hole 15 of the outer case 1 is provided.
Even if the pressing force of the movable pieces 11 and 13 of the inner case 2 against the inner wall of the outer case 1 is weak, there is a risk that the inner case 2 may fall off from the outer case 1 during handling and scatter the core. Absent.

Further, if the core removing portion 14 of the second movable piece 13 is extended further rearward than shown, it is possible to reliably remove even the rear portion of the core other than the core in the guide groove 9. It is.

Next, a second embodiment of the present invention will be described with reference to FIGS. 5 (a) and 5 (b). Core container according to this embodiment, without the first and second thickness portion 5 and 6 of the outer casing 1 of the first embodiment, the outer case 1 instead
The openings 18 and 19 are respectively formed in both side walls of the inner case 2 to expose a part of the side wall of the inner case 2. In this case, the part of the inner case 2 exposed from the through holes 18 and 19 of the outer case 1 instead of pushing the operation unit 17 at the rear of the outer case 1 in the above-described embodiment is indicated by an arrow in FIG. Just push in the direction that was given.

Further, a third embodiment of the present invention will be described with reference to FIGS. 6 (a) and 6 (b). The core container according to this embodiment is further simplified in structure so that the movable pieces 11 and 13 and the through-hole of the outer case 1 of the second embodiment are also used.
It is a thing. The operation is the same as that of the second embodiment.

[0023] Incidentally, collision, such as a right triangle is not shown having a hypotenuse example of cross-section in the side portion of the second to third embodiment of the inner case in the example the movable piece 11 and 13 are lowered toward the front If a projection is formed as a shape stopper , when it is engaged with the through holes 18, 19 of the outer case 1, the pressing force of the movable pieces 11, 13 of the inner case 2 on the inner wall of the outer case 1 is weak. In both cases, there is no danger of the inner case 2 falling off the outer case 1 during handling and scattering the core.

Further, although not shown, the first embodiment and the third embodiment are used in combination, and the core is supplied by a method of further pushing the inner case 2 or a method of pushing the movable piece of the inner case inward. It is also possible to adopt a structure capable of performing such operations.

[0025]

[Effects of the Invention] This invention is constructed as described above, so that the inner case inserted into the outer case is further pushed in or the movable piece of the inner case exposed from the outer case is pushed inward. Only one core can be easily and accurately discharged to the outside, and from the outer case to the inner case
Since there is no dropping, there is no need to scatter the core and make the fingertips dirty.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a writing implement core container according to a first embodiment of the present invention.

FIG. 2 is a cross-sectional view showing an operating state of the writing instrument core container according to the first embodiment of the present invention.

FIG. 3 is a cross-sectional view taken along line AA of FIG. 2 of the writing implement core container according to the first embodiment of the present invention;

FIG. 4 is a sectional view taken along the line BB of FIG. 2 of the writing implement core container according to the first embodiment of the present invention;

FIG. 5 is an explanatory view showing a writing instrument core container according to a second embodiment of the present invention.

FIG. 6 is an explanatory view showing a writing implement core container according to a third embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Outer case 2 Inner case 3 1st core supply port 4 Nozzle part 5 1st thick part 6 2nd thick part 7 Core accommodating part 8 2nd core supply port 9 Guide groove 10 Third core supply Mouth 11 First movable piece 12 Notch 13 Second movable piece 14 Core removal part 15 Locking hole 16 Projection 17 Operation part 18 Through hole 19 Through hole

Continuation of the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) B43K 19/14 B65D 83/02

Claims (11)

(57) [Scope of request for utility model registration] 1. A writing container for a writing instrument comprising an outer case and an inner case slidably provided in the outer case, wherein the outer case has a core at a tip end thereof. Has a first wick supply port through which it is supplied to the outside, the inner case has a space for accommodating a plurality of wicks, and has a coaxial front end with the first wick supply port. A wick accommodating portion having a second wick supply port located thereon, and a first wick supply port located between the first wick supply port and the second wick supply port, and A first movable piece having a third core supply port located off-coaxial with the core supply port, and the outer case further includes a first movable piece of the inner case inside the container. Biasing the third core supply port so as to be positioned coaxially with the first and second core supply ports. A wick container for writing implements , characterized in that the operable means is provided. 2. A core accommodating portion of the inner case is located coaxially with the second core supply port, and is formed in a longitudinal direction for guiding one core to the second core supply port. The lead container for a writing instrument according to claim 1, further comprising a guide groove. 3. The first operable means of the outer case includes:
The core container for a writing implement according to claim 1, wherein the first case is a first thick portion formed on a front inner wall of the outer case. 4. The first operable means of the outer case includes:
The lead container for a writing implement according to claim 1, wherein the first case is a first through hole formed in a side wall of the outer case. 5. The first movable piece of the inner case is provided with a protruding stopper formed on an outer surface thereof so as to be engaged with the first through hole of the outer case. A writing instrument core device according to claim 4. 6. The core mounting surface of the core housing portion of the inner case,
The lead container for a writing implement according to claim 1, wherein the lead container is inclined downward from both sides toward the lead guide groove direction. 7. An inner wall of an upright wall formed with a second core supply port formed at a distal end portion of a guide groove of the inner case forms an inclined surface from both sides toward the second supply port. The core container for a writing instrument according to claim 1, wherein: 8. The inner case further includes a second movable piece for removing a core other than the core disposed in the guide groove from the vicinity of the guide groove, and the outer case includes the second movable piece. It urges the movable piece inwardly of claim 4, characterized in that the core other than cores disposed in the guide groove has a second actuatable means for removing from the guide groove near the Core container for writing utensils. 9. The second operable means of the outer case includes:
The core container for a writing implement according to claim 8, wherein the core case is a second thick portion formed on a front inner wall of the outer case. 10. The second actuatable means of said outer case, writing instrument core container according to claim 8, characterized in that a second through-hole formed in the side wall of the outer case. 11. The device according to claim 8, wherein the second movable piece of the inner case includes a projecting stopper formed on an outer surface thereof so as to correspond to the second through hole of the outer case. Core container for writing utensils.