JP2000085861A - Tool for letting out direct filling type rodlike matter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve operability in letting out by suppressing looseness and without a possibility of breakage even when a rodlike matter of an oval section is used. SOLUTION: This tool for letting out is provided with an internal shaft 3 provided with a spiral means 3a on the inner periphery and a fitting means on the outside. A tip shaft 1 positioned at the outside of the internal shaft 3 and mounted rotatably, and a back shaft 2 removably provided on the tip shaft and is provided with a fitting means 2a for preventing rotation by fitting with the fitting means provided at the outside of the shaft 3 are provided. In the shaft 3, a guiding cylinder 6 in the back of which a guiding slit 6b is provided in the longitudinal direction, and whose front part works as a spacer between the tip shaft and a rodlike matter is provided. In the guiding tube, a slider 4 which has a rodlike matter receiving part 4a in the front part, and which is movable in the longitudinal direction controlled by the guiding slit 6b of the guiding cylinder 6 and the internal shaft spiral means 3a but is not rotatable in relation to the tip shaft 1 is provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a direct-filling rod feeding device for linearly feeding rod-shaped cosmetics such as lipstick, eyebrow, eyeliner, etc., rod-shaped erasers, and color cores for pencils by rotating operation. About.

[0002]

2. Description of the Related Art Heretofore, as this kind of rod-like material dispensing tool, for example, the one described in Japanese Patent Application Laid-Open No. H10-77075 has been proposed. That is, according to this conventional example, the rod-shaped object holding portion of the rod-shaped object feeding device including the front shaft and the rear shaft that is rotatable with each other is configured as a cassette, and the rod-shaped object such as cosmetics is not directly touched by a hand. It is possible to exchange.

[0003]

However, such a conventional rod-shaped object feeding tool mainly uses a rod-shaped object having a perfectly circular cross section, and the slider is rotated along a spiral groove in the front shaft by the feeding operation. It was being rolled out. That is, in this conventional example, the holding portion of the slider is engaged with the spiral groove of the front shaft rotatable with the rear shaft through the slit of the center shaft that rotates integrally with the rear shaft. When the rotary operation is performed, the slider is configured to be advanced while rotating with respect to the front axis, so that the rod-shaped object is extended while rotating.

[0004] In particular, in cosmetics such as eyeliners, it is necessary to use a rod-shaped object having an elliptical cross section in order to draw a fine line. However, if a rod having an elliptical cross section is used as a conventional rod, there is a risk that the rod may be damaged by the inner wall of the front shaft or the like since the rod has a directional cross section when the rod is fed out while rotating. there were. In addition, if an elliptical rod is used, the clearance between the rod and the inner wall, such as the tip shaft, will cause large backlash, and if the rod is dropped excessively, the stored rod may be broken or the rotation required for the slider movement range may be required. When the operation is performed beyond the operation, there is a possibility that the parts may be damaged by an excessive rotation operation.

Further, in the above-mentioned conventional example, the rod-like material is manufactured as a separate part without directly filling the material of the rod-like material into the receiving portion of the slider, and a rod-like material feeding tool as a container is assembled. After that, since the rod-shaped object was set in the receiving portion of the slider, it took time to load the rod-shaped object into the slider.

In view of the above, the present invention has a reduced number of components and has a reduced number of components, which facilitates assembling while having the cassette type function. There is no problem in operability even if a rod-shaped object with an elliptical cross section suitable for drawing thin lines is used, and the clearance is extremely reduced to prevent breakage of the rod-shaped object due to falling, and even by an excessive rotation operation beyond the limit It is an object of the present invention to provide a rod-shaped object feeding tool that has good operability for feeding without damaging a component.

Further, in the case of the direct filling method, there is a possibility that the filled rod-shaped material is fixed to the inner wall of the component, and that the diameter of the formed rod-shaped material varies. In such a case, if the user rotates and draws out the rod-shaped object, the rotation operation becomes impossible due to the resistance between the rod-shaped object and the inner wall of the tip shaft or the like. In order to prevent the rod-shaped material from being able to move forward, it is an object of the present invention to provide a straight-filled rod-like material feeding tool in which the rod-like material is inevitably peeled from an inner wall of a guide tube or the like in advance in an assembling process and is advanced. I do.

[0008]

According to the present invention, there is provided a direct-filling rod feeding device according to the present invention, wherein a spiral shaft is provided on the inner periphery and an engaging means is provided on the outside, and a center shaft is provided outside the middle shaft. A rear shaft provided with an engagement means for preventing rotation by engaging a rotatable front shaft with an engagement means provided detachably with respect to the front shaft and provided outside the center shaft. A guide tube having a longitudinal guide slit formed in a rear portion located in the center shaft, and a front portion serving as a spacer between the front shaft and the rod-shaped member; And a slider which is provided with a rod-shaped object receiving portion and is movable in the longitudinal direction while being restricted by the spiral means of the center shaft and the guide slit of the guide cylinder, but is provided so as not to rotate with respect to the front shaft.

[0009]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing a direct-filling rod feeding device according to an embodiment of the present invention; FIG. 1 to FIG. 10 are views showing a direct-fill-type rod-like material dispensing device for dispensing a rod-like cosmetic such as an eyeliner according to an embodiment of the present invention, particularly one using a rod-like material having an elliptical cross section. In FIGS. 1 and 2, the direct-filling rod feeding device has a front shaft 1 having an opening 1 a at its tip as an exterior member, and a bottomed shaft rotatably provided with respect to the front shaft 1. The shaft 2 is formed in a pencil shape as a whole.

Engagement ribs 2a are formed at equal intervals in the longitudinal direction on the inner side of the rear shaft 2, and a clearance formed between the appropriate number of the engagement ribs 2a is formed around the rear outer periphery of the center shaft 3. The engaging projection 3b provided is fitted so that the center shaft 3 rotates integrally with the rear shaft 2.

More specifically, as shown in FIG. 3, the front portion of the front shaft 1 is formed to gradually decrease in diameter toward the opening 1a at the tip, and is provided with a guide for the inner periphery slightly separated from the opening 1a. Is formed. On the other hand,
A pair of fitting projections 1c (FIG. 3) are formed on the outside of the rear portion so as to be rotatable with the rear shaft 2 and to be easily detachable. Accordingly, since the front shaft 1 is partially fitted to the rear shaft 2 by the fitting convex portion 1c, the front shaft 1 is easily rotated relative to each other, and is easily attached to and detached from the rear shaft 2. An annular groove 1d to which an O-ring 5 described later is attached is formed at a rear position slightly separated from the fitting projection 1c.

Next, the rear shaft 2 in which the rear portion of the front shaft 1 is rotatably assembled will be described with reference to FIG. Rear shaft 2
The inside of the front part has six engaging ribs 2a (FIG. 1) in the longitudinal direction.
0) are formed at regular intervals in the longitudinal direction, and if the strength is acceptable, it is better to be as thin as possible from the viewpoint of assembling the center shaft 3 described later.

Further, a rear shaft 2 is provided inside a front portion of the rear shaft 2.
The rear end of the center shaft 3 that rotates integrally with the shaft 3 is engaged with the shaft 3. That is, as is apparent from FIG. 4, a spiral groove 3a is formed on the inner periphery of the center shaft 3 as a spiral means. A pair of engaging projections 3b (FIG. 5) are provided on the outside of the rear end of the center shaft 3 so as to engage with the above-described engaging ribs 2a of the rear shaft 2 so as to function as a detent. The front end of the engagement projection 3b contacts the rear end surface of the front shaft 1 and acts as a positioning.

A slider 4 that slides inside the center shaft 3 while holding a directly filled rod-shaped object having an elliptical cross section is provided in the center shaft 3. This slider 4 is shown in FIGS.
More specifically, a large-diameter receiving portion 4a for supporting a rod-shaped object is provided at the front portion of the slider 4. Also,
At the rear end of the slider 4, a pair of engagement screw pieces 4 b formed in accordance with the inclination of the spiral groove 3 a of the center shaft 3 are provided integrally with the large diameter portion 4 c. And this screw piece 4b is the center shaft 3
In the spiral groove 3a. A concave portion 4aa is formed at the bottom of the receiving portion 4a to prevent the material from penetrating and solidifying deeply when the bar-shaped material is directly filled and hardly coming out of the receiving portion 4a.

When the slider 4 is set on the center shaft 3 and the front shaft 1 or the rear shaft 2 is rotated, the engagement screw 4b
Is engaged in the spiral groove 3a of the center shaft 3 to rotate the slider 4 to move forward. However, the engagement screw piece 4b is connected to the center shaft 3 via the guide slit 6b of the guide cylinder 6.
The slider 4 is engaged in the spiral groove 3a of the
Go forward without rotating with respect to.

A pair of guide grooves 6a are formed at the front of the guide cylinder 6 to engage with and guide the guide ribs 1e of the front shaft 1. The front ends of the guide cylinders 6 on both sides of the guide grooves 6a are formed. Is a sharpened portion 6c. Therefore, when the guide cylinder 6 is installed inside the front shaft 1 as shown in FIG. 10, the engagement with the guide rib 1e is facilitated by the sharpened portion 6c.

The large diameter portion 4c of the slider 4 is formed with a pair of split grooves 4d facing from the rear end. When the slider 4 is at the uppermost position or the lowermost position, the split grooves 4d are more difficult. When the rotation is made
There is an advantage that the slider 4 idles because d is bent inward.
In the figure, reference numeral 5 denotes O made of an elastic material such as rubber.
A ring, set in the annular groove 1d of the front shaft 1,
This facilitates the assembly of the front shaft 1 and the rear shaft 2 and smoothes mutual rotation.

Next, an assembling procedure will be described in order to better understand the structure of the direct-filling rod-like material feeding device according to the above embodiment. First, as shown in FIG. 6, the slider 4 is incorporated in the guide cylinder 6 and the slider 4 is inserted into the rear end of the guide slit 6b.
In a state in which the screw 4b is locked, a rod-shaped material is directly filled into the one in which the rear end of the slider 4 protrudes from the rear end of the guide cylinder 6 to form a cartridge.

When the rear portion of the cartridge is pushed from the front portion of the center shaft 3 to the bottom portion 3c (stopper means) of the center shaft 3, the rear end surface of the slider 4 projecting from the rear end of the guide cylinder 6 by about 1 mm, for example, Abuts against the bottom 3c and is pushed up. Then, the screw 4b separates from the rear end of the guide slit 6b and is advanced in the guide slit 6b, so that the slider 4 itself is forcibly advanced. Then, the portion of the rod-like material directly filled in the receiving portion 4a of the slider 4 is fixed to the inner wall of the guide tube 6, and the rod-like material is easily fed thereafter.

Next, the assembly comprising the set cartridge and the center shaft 3 is inserted into the front shaft 1 to form a front shaft unit. Then, the front shaft 1 of this front shaft unit
The O-ring 5 is mounted on the annular groove 1d, and the rear shaft 2 is fitted on the front shaft 1 while covering the front shaft 1, thereby completing the assembly. In this case, the filling of the rod-like material is an operation in a factory and is a direct filling, so that there is no trouble and there is no problem in hygiene.

The operation of the rotary rod feeding device according to the embodiment of the present invention will be described below. First,
When the rod-shaped object is stored in the front shaft 1, the rear shaft 2 is used.
And rotate the tip shaft 1. Then, since the rotation of the center shaft 3 is locked by the engagement of the engagement rib 2a and the engagement protrusion 3b with the rear shaft 2, the center shaft 3 rotates together, and the screw 4b of the slider 4 is turned into the spiral groove 3a of the center shaft 3. And the screw 4b is restricted by the slit 6b of the guide cylinder 6,
Can go straight without rotating. As a result, the rod-like object held by the slider 4 is protruded from the opening 1a at the tip of the front shaft 1 and becomes usable.

The slider 4 has a split groove 4d at its rear end.
When the rod moves to the forefront, the slider 4 is idled and advanced more than necessary even if the rod is extremely worn or excessively rotates the front shaft 1 with respect to the rear shaft 2. Never. After use, when the front shaft 1 is rotated in the opposite direction to the above, the rod-like material held by the slider 4 can be easily stored in the front shaft 1.

When the rod-shaped material becomes unusable due to wear due to use, the entirety of the slider 4, on which the front shaft 1, the central shaft 3 and the residual rod-shaped material are mounted, is unitized. It is only necessary to remove the cassette from the rear shaft 2 and press-fit a new rod-shaped cassette into the rear shaft 2 from the front.

That is, when the front shaft 1 and the rear shaft 2 are held by different hands and pulled in different directions, the front shaft 1 and the rear shaft 2 are engaged with the fitting projections 1c which constitute the fitting means of the front shaft 1 and the rear shaft 2. The fitting with the concave portion 2b is released. Since the front end edge of the annular convex portion 3e of the central shaft 3 is hooked on the annular concave portion 1f of the leading shaft 1, the leading shaft 1 does not come off from the central shaft 3 by the above-mentioned pulling. As a result, the rod-shaped holding mechanisms other than the rear shaft 2, that is, the front shaft 1, the center shaft 3, and the slider 4 can all be integrally removed together as a cassette. Therefore, in this case, it is possible to replace the bar-shaped object such as cosmetics with a new one without directly touching it with a finger.

The rod-shaped material is directly charged by inserting a nozzle for charging the rod-shaped material through the opening 1a of the front shaft 1, positioning the nozzle near the receiving portion 4a of the slider 4, and pulling up the rod-shaped material while filling. It is formed, and the tip of the rod is appropriately cut. In this case, since the concave portion 4aa is previously formed at the bottom of the receiving portion 4a, the bar-shaped material is filled up to the bottom of the concave portion 4aa, so that the formed bar-shaped material does not easily fall off the receiving portion 4a.

When the rod-shaped object has a particularly elliptical cross section, a gap is formed between the inner wall of the front shaft 1 and the rod-shaped object, and the gap may cause the rod-shaped object to rattle during feeding. A guide cylinder 6 is provided on the inner periphery of the front shaft 1 to prevent rattling, and a guide rib 1e is provided facing the inner periphery of the front shaft 1.
Is provided, thereby engaging with the guide groove 6a of the guide cylinder 6 to serve as a detent.

According to this embodiment, a slider 4 having a solid intermediate shaft portion as shown in the figure is used, and a rod-shaped object receiving portion 4a to which a rod-shaped object is attached to a front end portion.
And a screw 4b is formed at the other rear end.
Note that, as is apparent from the figure, the screw piece 4b is
Through the guide slit 6b, reaches the spiral groove 3a of the center shaft 3, and is engaged with the spiral groove 3a.

A screw 4b is provided outside the large diameter portion 4c provided at the rear end of the slider 4. The center shaft 3 extends through a guide slit 6b of a guide cylinder 6 provided outside the screw 4b. In the spiral groove 3a. Therefore, slider 4
There is almost no clearance between the rod-shaped object attached to the inner wall of the guide cylinder 6 except for the slit 6b, and the clearance between the slider 4 and the front shaft 1 is similarly reduced, so that rattling is reduced. The possibility of breakage of the bar due to the impact of falling is small.

Further, if a through hole is formed in the slider 4 in the longitudinal direction, the rod-shaped material can be directly filled into the receiving portion 4a of the slider 4 from the rear through the through hole 4e depending on the manufacturing process. There are advantages too. That is, FIG.
FIG. 7 shows a modified example of the slider 4 used in the direct filling type rod-shaped material feeding device according to the present invention. In the above-described embodiment, the rod-shaped material is filled through the front opening 1a. In this example, the rod-shaped material is filled from the rear central shaft opening 3d. That is, since the slider 4 according to this embodiment has the through hole 4e for filling, after setting on the center shaft 3, the slider 4 is filled from the rear end of the slider 4 through the through hole 4e to the vicinity of the bottom tip opening 1a of the receiving portion 4a. It can be formed into a bar.

[0030]

Since the construction of the present invention is as described above, the stick-shaped object holding portion is formed as a cassette type of direct filling, so that when the stick-shaped object such as cosmetics is consumed, the stick-shaped object is not directly touched with a finger. It can be replaced with a new cartridge or tip unit directly filled with a bar, and when using a bar with an elliptical cross section, clearance can be reduced and rattling can be eliminated. There are effects such as improving the feeding operability by eliminating the possibility of breakage.

Further, since the bar is directly filled without being made separately from the container, it is possible to save the trouble of loading the bar after assembly of the container, thereby shortening the assembling time and greatly reducing the cost. There is also an effect that can be done.

Further, since the cartridge shown in FIGS. 6 and 7 consisting of only a slider and a guide tube directly filled with the material of the rod-like material can be sold separately, the shaft is used when the rod-like material is consumed by use. The container can be reused without removing the center shaft and the rear shaft, that is, withdrawing the rear shaft from the front shaft, further removing the center shaft from the front shaft, discarding only the old cartridge and replacing only the new cartridge. In addition, there is an advantage that only a cheap cartridge can be purchased. The rod-shaped material can be directly filled in the state of being set on the center shaft, but in this case, the center shaft set together with the cartridge consisting only of the slider and the guide tube is sold separately as a front shaft unit. . In this example, when the rod-shaped material is consumed, it is sufficient to replace the new shaft unit with a new one while leaving only the rear shaft. Therefore, there is an advantage that it can be used without trouble such as removing the middle shaft from the front shaft.

Further, according to the present invention, when the guide cylinder is set on the front shaft, the slider protrusion in the guide cylinder is pushed by the bottom of the center shaft and pressed into the guide cylinder. At this time, the bar-shaped material directly filled is forcibly peeled off from the inner peripheral wall of the guide cylinder, detached, and moved forward by the length of the slider protrusion.
As a result, the resistance caused by the subsequent rotation operation by the user or the like becomes lighter, and the female screw on the inner periphery of the center shaft and the screw piece of the slider come off despite the presence of the split groove formed for idling of the slider. There is also an effect that it is smoothly fed out without any.

Further, according to the present invention, the core pin is pulled out toward the distal end when the guide cylinder is formed, so that the inner diameter of the front shaft is formed slightly larger toward the opening of the front shaft, so that the rod-shaped object is pushed out in the direction in which the rod is pushed out. Since it is expanded, there is also an effect that the rod-shaped object can be smoothly fed out.

The provision of the split groove in the large-diameter portion at the rear portion of the slider also has the effect of preventing the parts from being damaged because the slider idles even by an excessive rotation operation beyond the limit.

Further, according to the present invention, since the slider is hollow, depending on the convenience of the manufacturing process, the rod-shaped material can be directly filled into the receiving portion of the slider not only from the front but also from the rear of the rod-feeding tool. There is also an effect that it can be done.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of a direct-filling rod-like material feeding device according to an embodiment of the present invention.

FIG. 2 is a longitudinal sectional view showing a state in which a rod-shaped object of the direct filling type rod-shaped material feeding device of FIG. 1 is projected to the uppermost position.

FIG. 3 is a longitudinal sectional view of a front shaft of FIG. 1;

FIG. 4 is a longitudinal sectional view of a center axis of FIG. 1;

FIG. 5 is a side view of the rear part of the center shaft of FIG. 4;

FIG. 6 is a view showing the cartridge in a state where a slider is set in the guide cylinder of FIG. 1;

FIG. 7 is a vertical sectional view of the cartridge of FIG.

FIG. 8 is a longitudinal sectional view of the rear shaft of FIG. 1;

FIG. 9 is a cross-sectional view taken along line AA of the direct-filling rod-shaped material feeding device of FIG.

FIG. 10 is a cross-sectional view of the direct-filling rod-shaped product feeding device of FIG. 1 taken along line BB.

FIG. 11 is a longitudinal sectional view showing a modification of the slider.

[Explanation of symbols]

 Reference Signs List 1 front shaft 1a opening 1b inclined portion 1c fitting convex portion 1d annular groove 1e guide rib 1f annular concave portion (locking means) 2 rear shaft 2a engaging rib (engaging means) 2b fitting concave portion 3 center shaft 3a spiral groove (spiral means) 3b engagement projection (engaging means) 3c bottom (stopper means) 3d bottom opening 3e annular projection (locking means) 4 slider 4a receiving part 4b screw piece 4c large diameter part 4d split groove 4e through hole 5 O-ring 6 Guide cylinder 6a Guide groove 6b Guide slit 6c Sharp part

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) B43K 29/02 B43L 19/00 C B43L 19/00 B43K 23/00 H (72) Inventor Yukio Arai Saitama 138, Kawagoe, Kawagoe-shi F-term (reference) in the Kotobukikawago Factory 2C353 FA02 FC04 FE04 FE19 FG02 MA03 MA06 MC08 3E014 AC05

Claims (8)

[Claims] 1. A center shaft provided with helical means on the inner periphery and provided with engaging means on the outside, a front shaft located outside the center shaft and rotatably provided, detachable with respect to the front shaft, and A rear shaft provided with engagement means for preventing rotation by engagement with engagement means provided on the outside of the center shaft, and a longitudinal guide slit formed at a rear portion located inside the center shaft. A guide tube having a front portion functioning as a spacer between the front shaft and the rod-shaped member, a spiral member and a guide tube mounted in the guide tube and provided with a rod-shaped object receiving portion at the front portion; And a slider which is movable in the longitudinal direction while being restricted by the guide slit, but is not rotatable with respect to the front axis. 2. An engaging means provided outside the central shaft is an engaging projection, and an engaging means provided inside the rear shaft is an engaging rib provided at equal intervals in a longitudinal direction. 2. The direct-filling rod feeding device according to claim 1. 3. The direct-fill-type rod feeding device according to claim 1, wherein a guide rib for guiding a rod having an elliptical cross section is provided on a front inner periphery of the front shaft. 4. A pair of guides are formed on the outer side of the guide tube facing rearward from a distal end, and front ends of the guide tubes on both sides of the guide groove are sharpened portions inclined forward. The direct-fill-type rod-shaped-item feeding-out tool according to claim 3, wherein each is formed. 5. The direct-fill-type rod feeding device according to claim 1, wherein a split groove is formed at a rear end portion of the slider so that the slider idles at an uppermost position and a lowermost position. 6. The direct-filling rod feeding device according to claim 1, wherein a stopper means for pushing up the slider is further provided at a rear end of the center shaft. 7. The direct-filling rod feeding device according to claim 1, wherein locking means are provided on the inside of the front shaft and the outside of the center shaft, respectively. 8. The direct-filling rod feeding device according to claim 1, wherein the slider has a through hole formed in a longitudinal direction thereof to allow direct charging from behind.