KR0119940Y1 - Mechanical pencil with twist holder for coming out bar shaped article - Google Patents

Abstract

The mechanical pencil is provided with a rod dispensing container in the mechanical pencil which is operated to operate the operating member (4) provided on the side of the outer cylinder (1) to advance the pen core, and is provided in the outer cylinder (1) and the outer cylinder (1) The pen core sending mechanism 3 which is pushed to the rear side, the operation member 4 attached to the opening 1c formed in the side of the front part of the outer cylinder 1, and the operation member 4 which pushes forward the pen core sending mechanism 3, and the outer cylinder ( The clip member 20 mounted in the rear end of 1) and the rod-shaped object container 11 are comprised, The clip member 20 in which the clip part extended along the outer cylinder 1 from the outer side of the outer cylinder 1 is carried out. 20a and an inner cylinder portion 20c provided inside the outer cylinder 1 are integrally formed, while the front end of the guide cylinder 14 of the rod-shaped object container 11 has an inner cylinder portion 20c of the clip member 20. It can be attached or detached in the axial direction, but it is structured so that relative rotation is not possible.

Description

Sharp pencil with rod-shaped container

1 is a longitudinal sectional view of the mechanical pencil with a rod-shaped object dispensing container of the present invention,

2 is a longitudinal cross-sectional view of a conventional pencil-shaped sharpener pencil.

* Explanation of symbols for main parts of the drawings

1: outer cylinder 1c: opening

3: Filling mechanism 3a: Filling tank

3g: Diameter expansion part (driven part) 3h: tapered surface

4: operating member 11: rod-shaped object container

12: cylindrical body 12a: spiral groove

14: guide cylinder 16: holder

16a: projection 20: clip member

20a: clip portion 20c: inner cylinder portion

30: rod

The present invention relates to a mechanical pencil with a rod-shaped container for dispensing, and particularly relates to a mechanical pencil with a rod-shaped container for advancing the core by operating a lateral operation member installed on the side of the outer cylinder.

As a conventional mechanical pencil with a rod-shaped container for dispensing such a thing, for example, the one proposed by the present applicant and filed in Japanese Utility Model Application No. 5-18343 is described as an example. As shown in the conventional embodiment.

That is, in the conventional pencil-shaped pencil with a container for discharging a rod, the pedestal 2 is installed in the outer cylinder 1 such that the pedestal 2 cannot be rotated relative to the outer cylinder 1, and the pen core feeding mechanism is provided at the front of the pedestal 2. While the rear end of the fill tank 3a of (3) is inserted, the front end of the guide cylinder 14 of the rod-shaped object container 10 cannot be rotated relative to the pedestal 2 at the rear portion of the pedestal 2. It is structured to be detachable in the axial direction. In addition, the rod-shaped object container 10 is inserted into the cylindrical body 12 with the spiral groove 12a on the inner surface and the cylindrical body 12 can not be moved in the axial direction but can be freely rotated and the shaft A guide cylinder 14 having guide holes 14a and 14a extending in the direction and protrusions 16a and 16a fitted to the spiral groove 12a through these guide holes 14a and 14a on the side and having a rod-like object. It is structured with the holder 16 which hold | maintains 30.

As the conventional pencil drawing container with a rod-shaped material dispensing container is configured as described above, when the rod-shaped object 30 is fed, the outer cylinder 1 rotates the pedestal 2 when the outer cylinder 1 is rotated with respect to the cylindrical body 12. Since rotation is prevented between the guide cylinder 14 by the medium, the guide cylinder 14 rotates with respect to the cylindrical body 12, and the holder 16 moves to the guide hole 14a along the spiral groove 12a. It is guided and moved in the axial direction, whereby the rod-shaped object 30 is set off from the front end of the head portion of the rod-shaped object container 10 corresponding to the rotational direction.

In addition, to advance the core of the mechanical pencil during writing, the pencil tank 3a is pushed forward through the pedestal 2 connected to the guide cylinder 14 by knocking the rod dispensing container 10 at the rear end thereof. It is possible to send the lead by a predetermined length.

However, although the rod-shaped dispensing container is attached to the mechanical pencil of the type which draws the pen core with the rear end knock as mentioned above, the side which can drive the pen core feeding mechanism forward in the opening formed in the front side of the outer cylinder It has not yet been proposed to attach a rod-shaped dispensing container to a side knock-type mechanical pencil equipped with an actuating member.

The present invention has been devised in view of such circumstances, and the rod-shaped dispense container can be equipped in the mechanical pencil that can advance the core by manipulating the operation member installed on the side of the outer cylinder. The purpose is to provide a mechanical pencil that can suppress the increase of.

The mechanical pencil of the present invention for achieving the above object is installed in the outer cylinder, the pen core discharge mechanism installed to be pushed backwards in the outer cylinder, the opening formed in the side of the front portion of the outer cylinder to advance the pen core discharge mechanism In the mechanical pencil having a structure capable of operating the member, the clip member mounted on the rear end portion of the outer cylinder and the rod-shaped container for dispensing, the clip member and the clip portion extending along the outer cylinder from the outside of the outer cylinder; While the inner cylinder portion provided inside the outer cylinder is integrally formed, the rod-shaped container for dispensing the cylindrical cylindrical body having a spiral groove on the inner surface and the cylindrical body cannot be moved in the axial direction freely and can only be rotated freely in the axial direction. A guide cylinder having an extended guide hole and a protrusion fitted into the spiral groove through the guide hole are provided on the side to hold the rod-shaped object. Equipped with the holder, the front end of the guide sleeve can be detached in the axial direction in the inner tube portion of the clip portion, and has a structure, characterized in that connected so that it can not be relatively rotated.

Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.

1 is a longitudinal cross-sectional view showing an embodiment of the present invention rod-shaped sharps pencil with a container, the reference numeral 1 in the figure is an outer cylinder, the outer cylinder 1 is the outer cylinder body (1a) and the outer cylinder body (1a) Consists of a screw threaded to the front end of the first (b) 1b. In the front end 1b, the front slider 8 and the peel pipe 9 couple | bonded with this front slider 8 are provided.

A pen delivery mechanism (3) is provided in the outer cylinder (1). The pen delivery mechanism (3) includes a chuck core (3a), a chuck (3b) fixed to the front of the immersion tank (3a), and a chuck. Between the chuck ring (3c) fitted to the outside of (3b), the chuck ring support sleeve (3d) to be anchored to the rear end of the chuck ring (3c), and between the chuck ring support sleeve (3d) and the inner end of the outer cylinder (1) It consists of the cushion spring 3f fitted in the inside, and the said core delivery mechanism 3 is pushed back by the chuck spring 3e. In addition, a diameter-enlarging portion 3g is formed at the center portion of the pen core tank 3a, while the rear end surface of the pen core tank 3a is a tapered surface 3h widened toward the rear side, so that the pen core inserted from the rear is smooth. It has a structure that can be guided into the tank 3a.

An opening 1c is formed at the front side of the outer cylinder 1, and an actuating member 4 is installed at the rear end of the opening 1c so that the actuating member 4 can swing. When entering the inside, it interferes with the diameter expansion part 3g of the pen core sending mechanism 3, and advances this diameter expansion part 3g. Accordingly, the pen core feeding mechanism 3 can be driven forward in response to the entry of the operating member 4.

The rear end portion of the outer cylinder (1) is equipped with a clip member 20, the clip member 20 is a clip portion 20a extending along the outer cylinder from the outside of the outer cylinder (1) and the rear end of the outer cylinder (1) The outer cylinder part 20b provided in the outside and the inner cylinder part 20c provided in the inside of the cylinder 1 are integrally molded, and the annular convex part 20d formed in the inner periphery of the outer cylinder part 20b has the The clip member 20 is coupled to the outer cylinder 1 by being fitted in the annular groove 1d formed at the rear end portion. In addition, a plurality of guide grooves 20e are formed on the entire inner circumferential surface of the inner cylinder portion 20c and a small protrusion 20f protruding inward is formed. In addition, the inner circumferential surface of the front portion of the inner cylinder portion 20c forms a tapered surface 20g that extends toward the front to smoothly guide the lead to the front.

And the rod member container is inserted into the clip member 20 so that the rod-shaped object container 11 is detachable. The rod-shaped object container 11 has a cylindrical body 12 having a spiral groove 12a formed on the inner surface thereof and the cylindrical body. It is inserted through the guide cylinder 14 and the guide holes 14a and 14a having the guide holes 14a and 14a extending in the axial direction while being inserted into the upper body 12 so as not to move in the axial direction but to be free to rotate. It has the structure which has the holder 16 which hold | maintains the rod-shaped object 30 by having protrusion 16a, 16a which fits in the spiral groove 12a in the side surface.

Here, a plurality of keys 14b are formed on the front end outer circumferential surface of the guide cylinder 14 and a small protrusion 14c is formed so that the keys 14b are formed in the guide groove 20e of the inner cylinder portion 20c described above. While being fitted, the small protrusion 14c is lightly caught over the small protrusion 20f of the inner cylinder portion 20c described above. Therefore, the guide cylinder 14 is connected so that it can not be moved in the axial direction with respect to the clip portion 20, but only detachable.

When assembling the mechanical pencil configured as described above, first, the pen core feeding mechanism 3 is inserted into the outer cylinder body 1a from the front side, and then the screw thread 1b is screwed together. Then, the operation member 4 is installed in the outer cylinder 1, the clip member 20 is mounted on the rear end of the outer cylinder body 1a, and then the rod-shaped object container 11 is inserted into the clip member 20. It is over.

When using the mechanical pencil assembled in this way, when the user pushes the operating member 4 with his finger while holding the outer cylinder 1, the operating member 4 advances the diameter-expanding part 3g. In this way, the chuck 3b advances against the chuck spring 3e and opens the chuck 3b. The chuck 3b is drawn out of the chuck 3b by a predetermined length as in the known pen delivery mechanism, and is placed at the front end of the pioneer 1b. It is possible to feed from the front slider (8).

On the other hand, when feeding the rod 30 of the rod-shaped object container 11, when the outer cylinder 1 or the clip member 20 is rotated with respect to the cylindrical body 12, the outer cylinder 1 or the clip member ( Since the rotation is prevented between the guide cylinder 14 and the guide cylinder 14, the guide cylinder 14 rotates with respect to the cylindrical body 12, and the holder 16 follows the spiral groove 12a, and guide holes. By being guided to 14a and moving in the axial direction, the rod-like object 30 held in the holder 16, such as an eraser rubber, is moved from the front end of the head of the rod-shaped object container 11 corresponding to the rotational direction. Can be haunted.

When the core is taken out, when the rod-shaped object dispensing container 11 is pulled out from the clip member 20, the small protrusions 14c and the small protrusions 20f are lightly hooked, so that the hooks are peeled off, and the rod-shaped object dispensing container is removed. (11) can be attached and detached, and the pen core can be inserted into the inner cylinder part 20c of the clip member 20 by this. The inserted lead is supported by the tapered surface 3h of the fill tank 3a to be guided into the fill tank 3a.

Thus, in the present invention, the clip member 20 formed integrally is installed so that the clip member 20 can serve as both the clip and the supporting member of the rod-shaped container for discharging the container, so that the number of parts can be minimized and the assembly can be easily performed. .

In addition to the oscillating motion as in the present embodiment, the actuating member 4 can also be applied in the form of advancing the pen delivery mechanism 3 by sliding the reciprocating motion along the outer cylinder 1.

As described above, according to the present invention, by installing the clip member, it is possible to install the rod-shaped object container on the mechanical pencil that can advance the pen core by operating the operating member installed on the side of the outer cylinder.

In addition, since the clip member can also serve as a supporting member for the clip portion and the rod-shaped object container, the number of parts can be minimized and assembly can be facilitated.

Claims (2)

The pen core sending mechanism 3 attached to the outer tube 1 and the pen core feeding mechanism 3 installed in the outer cylinder 1 to be pushed toward the rear, and the opening 1c formed on the side surface of the front part of the outer cylinder 1, is provided. In a mechanical pencil having an operating member (4) which is capable of driving forward forward, the inside of the outer cylinder (1) and the clip portion (20a) extending along the outer cylinder (1) from the outer cylinder (1) The cylindrical member 12 and the cylindrical member 12 of which the inner cylinder part 20c provided were integrally formed, and the spiral groove 12a was formed in the inner surface, and this cylindrical member 12 cannot move to an axial direction, and can rotate only freely. And a guide cylinder 14 having a guide hole 14a, 14a extending in the axial direction and a protrusion 16a fitted into the spiral groove 12a through the guide holes 14a, 14a. And further comprising a rod-shaped material dispensing vessel 11 having a holder 16 adapted to hold the rod-shaped material 30 in the holder. 14, the front end can be detachable in the axial direction in the inner tube (20c) of the clip member 20, but relative rotation is the stick-shaped material propelling container according to claim comprising linked to the attachment so Shah ill pencil. The fill core tank (3a) according to claim 1, wherein the fill core delivery mechanism (3) has a diameter expansion portion (3g), which is a driven portion driven by the fill core tank (3a) and the operating member (4). A pencil pencil with a rod-shaped container for dispensing a container, characterized in that a tapered surface (3h) is formed at the rear end of the pen core.