KR930006716Y1 - Sharp pencil case change box - Google Patents

Abstract

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Description

용기 Replacement Courage

Figure 1 is a plan view showing a part of the first embodiment configuration of the container of the present invention.

2 is a plan view showing a part of the second embodiment cut away.

3 is a transverse plan view showing a rear portion configuration of the third embodiment.

4 is a longitudinal sectional side view of the rear portion of the outer cylinder in the third embodiment;

5 is a right sectional view of the rear portion of the outer cylinder in the third embodiment.

6 is a transverse plan view showing a rear portion configuration of the fourth embodiment.

7 is a transverse plan view showing a rear portion configuration of the fifth embodiment.

8 is a perspective view showing the configuration of one example of a conventional container.

* Explanation of symbols for main parts of the drawings

1: external cylinder 2: core supply port

2A: protrusion 3: chuck

3A: knock portion 4: core

5: locking means 6: raising hole

7: neck portion 8: hook hole

8A: Lateral hole 9: Hanging part

10: tapered surface 11: spring for chuck return

12: through hole for spring holding support 13: spring guide and insertion groove

14: rear 15: hook

16: lower slope 17: protective cover

21: protrusion

The present invention relates to a core replacement container for dispensing the core in the pencil tank such as mechanical pencil.

8 shows an example of a conventional container in a perspective view. The conventional container is made of a case in which a sealing plate 19 is inserted into a U-shaped main body 18 having a bottom surface, so as to ensure the core of the container. The cover 20 which opens and closes this lead supply port 2 to the lead supply port 2 side of this case is comprised so that it may slide freely.

Such a conventional container is made by sliding the lid 20 when opening the core to a core tank such as a pencil, and opening the core supply port 2 to extract the core and to supply the core to the core tank.

However, in the conventional example as described above, the U-shaped body 18, the sealing plate 19, and the cover 20 are composed of three parts, and the cover is freely slidable so that the configuration is complicated. There is a drawback that it becomes expensive, and there is a drawback that it is not easy to spread the heart.

Thus, the present invention was devised to solve the above drawbacks, and as shown in FIG. 1, the front end of the outer cylinder 1 was pressed by knock operation to the core supply port 2, and opened when knocked. A chuck 3 having a knock portion 3A closed by an elastic force of 3 is fitted in the outer cylinder 1 so as to accommodate the core 4 in the chuck 3.

With the above-described configuration, in order to replenish the core in a tank such as a mechanical pencil, when the core 3 is knocked down while the core 3 is lowered, the chuck 3 is inserted into the core 2 of the pencil. This is pressed and opened, so that the pen core 4 can fall from the pen core supply port 2 into the pen core tank and be replenished. Moreover, when the end knock of the core 4 is released, the chuck 3 returns to its original state by its elastic force and closes. At this time, if the lead core 4 is caught in the chuck 3, the lead core (2) is directed upward, and knocks the knock portion 3A to open the chuck 3 to open the lead core 4 into the chuck 3. You can fall back).

Hereinafter, an embodiment of the present invention will be described.

1 is a plan view showing a part of the first embodiment configuration of the container of the present invention. In the drawing, reference numeral 2 denotes a pen point supply opening provided at the center portion of the front end, which protrudes from the outer cylinder 1, and 2A is the protrusion. The chuck 3 which is pressed open by the knock and is closed by its own elastic force when the knock is released is inserted into the outer core 1 with the knock part 3A protruding into the outer core 1. In the chuck 3, a plurality of lead 4 are accommodated. 3B is the bottom of the chuck 3.

And the chuck (3) is to be caught by the locking means (5) so as not to escape to the rear to the outer cylinder (1). The locking means 5 includes, for example, a fitting hole 6 whose rear ends are open at both rear portions of the outer cylinder 1, and a locking hole 8 which communicates through these neck holes 7 with these fitting holes 6; Each of the rear surfaces of the chuck 3 has a structure consisting of a locking portion 9 which is engaged with the locking hole 8 via the neck 6 through the fitting hole 6.

Moreover, at least the contact surface of the chuck | zipper 3 is the taper surface 10 among the contact surfaces of the pen core supply opening 2 and the chuck | zipper 3, and the inner surface of the chuck 3 which is opposite to this taper surface 10 is the same. The inclined surface 16 inclined downward toward the center. The inclined surface 16 is formed so that the inclined surface 16 collects the pen cores 4 in the chuck 3 to the center so that they can easily fall from the pen core supply openings 2 when the chuck 3 is opened. .

In the first embodiment configured as described above, when the pen core 4 is placed on the bottom 3B of the chuck 3 and inserted from the rear end of the outer cylinder 1, the engaging portion 9 of the chuck 3 is fitted. In the hole 6, the neck part 7 is pushed and widened so as to be caught by the catching hole 8 at the position beyond the tooth.

When refilling the core in a tank such as a mechanical pencil, when the center of the pencil supply port 2 is turned down to knock the knock portion 3a, the locking portion 8 is pressed against the locking hole 8 so that the locking hole 8 is closed. At the same time, the chuck 3 is pushed open to the supply port 2 so that the lead core 4 can be dropped from the protrusion 2a of the lead supply port 2 into the tank.

In this way, when the filling of the core 4 is completed and the knock is released, the locking hole 8 returns to its original state by its elastic force and the chuck 3 returns to its original state by its own elastic force and closes. In this case, when the chuck 3 is inserted into the chuck 3, the chuck 3 is turned upward to knock the knocker 3a upward and open the chuck 3 to open the chuck 3 in the chuck 3. 4) falls and is returned to the chuck 3.

Figure 2 is a plan view showing a part of the second embodiment configuration of the present invention. In this second embodiment, the contact surface of the pistol supply tool 2 and the chuck 3 is a tapered surface 10, and the protection for protecting the projection 2a of the lead supply tool 2 on the front end of the outer cylinder 1 is performed. The bobbin 17 is provided.

Moreover, the protrusion part 21 is formed in the outer side of the chuck 3 or the inner side of the outer cylinder 1.

In this manner, the tapered surface or the protrusion 21 is formed on the contact surface of the pen core supply opening 2, so that the opening and closing of the chuck 3 can be made more smoothly. In addition, since the protrusion 2A is protected by the protective cover 17, there is no fear that the protrusion 2A will break during transportation.

FIG. 3 is a cross sectional view showing a rear portion configuration of the third embodiment of the present invention, and FIG. 4 is a longitudinal side view showing the rear portion of the outer cylinder in the third embodiment, and FIG. 5 is a right side view thereof. In this third embodiment, in the first and second embodiments, a spring-bearing support through-hole 12 is formed at the rear of the chuck 3 in a direction perpendicular to the longitudinal direction, so that the rear surface of the through-hole 12 is formed. The spring 11 for chuck return is fitted between the 14 and the catching part 15 which is an end surface of the spring guide and insertion groove 13 formed in the upper and lower inner surfaces of the rear part of the outer cylinder 1 (refer to FIG. 4 and FIG. 5). It is installed structure.

In the third embodiment of the above configuration, in order to replenish the core in a tank of a pencil such as a mechanical pencil, the rust part 3A is turned downward and the knock portion 3A is rusted against the spring returning spring 11. When knocking by a large value A, the chuck 3 is pressed against the pen core supply opening 2, so that the pen core 4 can be dropped from the protrusion 2A of the pen core supply opening 2 into the pen core tank and replenished.

And when the dispensing of the core 4 is released and the knock is released, the chuck 3 is closed and returned to its original state by the elastic force of the spring and the spring 11 for chuck return, whereby the chuck 3 If the core (4) is caught in the core, the core supply port (2) to the upper side to knock the knock portion (3A) to open the chuck (3), the core (4) falls into the chuck (3) to be returned do.

In this case, since the chuck 3 returns to its original state and is closed by the elastic force of the chuck return spring 11 as well as the elastic force of the chuck 3 itself, the opening and closing of the chuck 3 is made more sure and smooth. You lose.

6 is a cross-sectional view showing the rear portion of the fourth embodiment of the present invention, Figure 7 is a cross-sectional view of the rear portion of the fifth embodiment. The fourth and fifth embodiments are examples in which the chuck return spring 11 is integrally installed on the rear surface 14 of the spring holding support through-hole 12 formed at the rear of the chuck 3. The end portion of 11) is caught by the front end portion of the lateral hole 8A which communicates with the locking hole 8, and its operation is the same as in the third embodiment. Here, the shape and structure of the spring 11 is not limited to the illustrated example.

In addition, in the present invention, the outer diameter of the protruding portion 2A of the pen core supply opening 2 can be inserted into a pen core tank such as a mechanical pencil, so that the pen core 4 can be more easily supplied to the core storage tank without fail. Will be.

In addition, when the outer cylinder (1) is made of transparent resin, it is convenient to know the state of the pen in the chuck (3) or the remaining number.

Meanwhile, as in the third to fifth embodiments, the chuck return spring 11 may be separate from or integral with the chuck 3. In other words, it only needs to be installed between the outer cylinder 1 and the chuck 3.

According to the present invention as described above, while the pen core supply opening (2) is installed on the front end of the outer cylinder (1), the press opening is pushed by the knock on the pen core supply opening (2), and when the knock is released is closed by its own elastic force Since the chuck 3 having the knocking portion 3A is fitted in the outer cylinder 1 and the pen core 4 is accommodated in the chuck 3, the outer cylinder 1 and the chuck 2 have two parts. Since it can be configured, the configuration is simpler than that of the conventional one, so that it can be manufactured at a low price and the spread of the lead can be easily performed.

Claims (10)

The pen core supply opening (2) is installed at the front end of the outer cylinder (1), and the pen core supply opening (2) has a knock portion (3A) that is opened when pressed by the knock and closed by its elastic force when the knock is released. A chuck replacement container in which a chuck (3) is fitted into an outer cylinder (1), and the pen core (4) is accommodated in the chuck (3). The container of claim 1, wherein the outer cylinder (1) is provided with a locking means (5) for preventing the chuck (3) from moving backward. The locking hole (5) according to claim 2, wherein the locking means (5) communicates with the fitting hole (6) whose rear side is open to the upper part of the outer cylinder (1) and the fitting hole (6) through the neck part (7). (8) and a replacement portion, comprising a locking portion 9 engaged with the locking hole 8 through the neck portion 7 from the fitting hole 6 at the rear portion of the chuck 3. Vessel. The method of claim 3, wherein when the locking hole (8) is knocked, the locking hole (8) is pressed and opened by the locking portion (9). . The container of claim 1, wherein at least a contact surface of the chuck (3) is a tapered surface (10) among the contact surfaces of the lead supply tool (2) and the chuck (3). 2. The container of claim 1, wherein an inner surface of the chuck (3) opposite to the tapered surface (10) forms an inclined surface (16) inclined downward toward the center portion. 2. The core replacement container according to claim 1, wherein said core supply tool (2) protrudes from an outer cylinder (1). 8. The replacement container according to claim 7, characterized in that the outer diameter of the protrusion (2A) of the pen tip supplying tool (2) protruding from the outer cylinder (1) has a thickness that can be inserted into the pen tip tank of the mechanical pencil. 2. The replaceable vessel according to claim 1, wherein a spring for chuck return is provided between the outer cylinder (1) and the chuck (3). 2. A replaceable vessel according to claim 1, wherein a protrusion (21) is formed outside the chuck (3) or inside the outer cylinder (1).