WO2018048014A1

WO2018048014A1 - Knock-type cosmetic pencil having pencil lead formed by direct injection and method for manufacturing same knock-type cosmetic pencil

Info

Publication number: WO2018048014A1
Application number: PCT/KR2016/012918
Authority: WO
Inventors: 양하석
Original assignee: 주식회사 리치코스
Priority date: 2016-09-12
Filing date: 2016-11-10
Publication date: 2018-03-15

Abstract

The present invention relates to a cosmetic pencil for applying eye makeup, eyebrow makeup, lip makeup, or the like using a stick-shaped pencil lead, and a method for manufacturing a knock-type cosmetic pencil using a pencil lead formed by direct injection. More specifically, the present invention is characterized in that: a cosmetic pencil is manufactured by previously assembling a pencil container except for a cap member, directly injecting a cosmetic into the front body of the pencil container to form a pencil lead, and then assembling the cap member, so that the manufacturing efficiency of the cosmetic pencil is improved, the pencil lead is prevented from being damaged during assembly, and the pencil lead can be made of various materials such as a soft material; and the cosmetic pencil has a knock-type pencil structure in which, when the cosmetic pencil is used, a push button is pressed to advance the pencil lead such that the pencil lead protrudes out of the pencil container by small increments, whereby user satisfaction is maximized and thus the marketability of the cosmetic pencil can be significantly improved.

Description

Knock-off makeup pencil of pencil core direct injection molding method and manufacturing method of knock-down pencil

The present invention relates to a make-up pencil for the makeup of eyes, eyebrows, lips, etc. with a stick-shaped pencil seam, and more specifically, pre-assemble the pencil container except the cap member, and then directly injecting cosmetics to the front body to mold the pencil seam After that, the cap member is assembled and manufactured, thereby improving production productivity, preventing damage to the assembly of the pencil core, and forming the pencil core in a variety of soft materials. The present invention relates to a method for producing a knock cosmetic pencil using a knock cosmetic pencil and a pencil core direct injection molding method having excellent satisfaction.

In general, a makeup pencil is one of cosmetics for applying makeup to eye or eyebrows using a pencil lead.

Such makeup pencils include lipline pencils, eyebrow pencils, eye pencils, and the like.

Such a conventional makeup pencil is used to protrude a pencil core by a predetermined amount by pressing the rear push to move the holder to which the pencil core is coupled by the cam operation of the cam member.

Such a conventional makeup pencil is formed with a variety of assembly structure, the assembly structure is complicated and difficult to manufacture and use because it is difficult to adjust the protruding pencil core fine amount.

Most of all, the conventional makeup pencil is manufactured by separately combining the pencil core in the form of a rod, and is assembled to the holder, which makes the assembly of the pencil cumbersome, resulting in poor assembly productivity, as well as the problem of breaking the pencil core frequently during the assembly of the pencil core. In addition to the material, there was a limit that cannot be formed in various materials such as soft materials.

The present invention has been invented to solve all the problems of the prior art. In other words, after pre-assembling the pencil container other than the cap member, and then directly injecting cosmetics into the front body to form a pencil core, and then assembled by the cap member is manufactured to improve manufacturing productivity, prevent damage to the assembly of the pencil core, pencil core soft materials, etc. It can be formed, and the knock-type structure by using the push-push operation of the push forward by a minute amount to provide a method of producing a knock-type cosmetic pencil using a knock-type cosmetic pencil and pencil direct injection molding method excellent in use satisfaction. Its purpose is to.

The present invention is a body formed of a cylindrical body structure, and inserted into the body to prevent rotation and separation, the packing cover for forming the first and second spaces separated by a central step before and after the inside, and the first space of the packing cover The push cam is inserted into the part to be guided forward and backward movement, and the push cam is fixedly coupled to the rear and the push cam is inserted in close contact with the elastic force of the spring in front of the push cam, by a predetermined angle by the forward and backward movement of the push cam Rotating cam to rotate the cam in one direction, and inserts into the inner assembly hole of the rotate cam, the screw is co-rotating operation by the rotation of the rotate cam, and the screw is screwed to the inner screw hole and in front of the packing cover A screw guider which is fixedly coupled to prevent rotation and separation and spirally guides the screw, and is capable of idling in front of the screw. A lead body coupled to the front body to be rotated and prevented from being separated from the front body and filled with cosmetics filled therein, the front body of which the piston sealing part of the lead front is hermetically inserted, and the airtightly coupled front body A knock cosmetic pencil of a pencil shim direct injection molding system composed of a cam member;

A first assembling step of pre-assembling the body, the packing cover, the push cam, the rotate cam, the spring, the screw, the screw guide, the lid, the front body, and the push, except for the cap member, from the front of the front body; Pencil core molding step of molding the pencil core by injecting the cosmetic directly into the filling hole. It is characterized by providing a knock-type cosmetic pencil manufacturing method of the pencil shim direct injection molding prepared by the secondary assembly step of coupling the cap member in front of the front body.

The present invention is pre-assembled pencil containers other than the cap member and then injected directly cosmetics to the front body to form a pencil shim and then manufactured by assembling the cap member to improve the manufacturing productivity as well as preventing damage to the assembly of the pencil shim, pencil core soft material It has the effect of forming in various ways.

In addition, since the knock-type structure by using the push operation of the push to advance by a minute amount to protrude, it has the effect of providing excellent use satisfaction.

That is, the present invention has the effect of maximizing consumer satisfaction by improving the pencil seam assembly method of the conventional makeup pencil and improving the quality and variety of the pencil seam, thereby greatly improving the merchandise of the cosmetic pencil compared to the related art.

1 is an external perspective view of the present invention;

Figure 2 is a perspective view of the cap member separated state of FIG.

3 is an exploded perspective view of FIG. 1.

4 is an enlarged view of a part excerpt of FIG. 3.

5 is a cross-sectional configuration of the bonded state of the present invention.

6 is an exploded cross-sectional view of FIG. 5.

FIG. 7 is an enlarged view of a portion “A” of FIG. 5.

8 is an enlarged view of a portion “B” of FIG. 5.

9 is a perspective view showing a push cam and a rotate cam of the present invention.

10 is a front view of main parts of FIG. 9;

11 is a flow chart showing the manufacturing process of the present invention.

12 is a block diagram showing a manufacturing process of the present invention.

First, a knock cosmetic pencil of the present invention pencil core direct injection molding method will be described.

The cosmetic pencil 100 of the present invention, as shown in Figures 1 to 11, the body 10, packing cover 20, push cam 30, rotate cam 35, spring 40, screw 50 ), The screw guide 55, the lead 60, the front body 70, the push 80 and the cap member 90 is composed of.

The body 10 is formed by a cylindrical body structure and is formed by forming first and second

uneven parts

11a and 11b, a locking step 12a, and a ring-shaped locking protrusion 12b as inner circumferential surfaces at the front and rear sides thereof. .

The packing cover 20 is inserted in the rear of the inside of the body and engaged with the second concave-convex portion 11b of the body to be prevented rotationally coupled to the rear outer periphery and the ring-shaped locking projection 12b It is configured to form a ring-shaped locking groove 22 is inserted and supported to prevent the departure.

In addition, the inside of the packing cover 20 is formed by separating the first and

second space portions

20a and 20b by the central step 20c, and the first space portion in the front and both sides of the locking step (23a) It is configured to form a front and rear guide groove 24 in a conformal position on the slot groove 23 and the rear inner peripheral surface having a).

At this time, the guide projection is formed at the inlet of the partition projection 25 defining the front and rear guide groove 24 is formed by forming a guide inclined surface (25a) for insertion guide into the front and rear guide groove.

The push cam 30 is inserted into the first space portion 20a of the packing cover, and the front and rear guide protrusions 32 formed on the outer circumference thereof are inserted to be guided back and forth to the front and rear guide grooves 24 and the push unit 80 at the rear thereof. ) Is inserted and configured for fixed coupling.

That is, the push 80 and the push cam 30 are configured to be coupled to each other to move forward simultaneously.

Rotating cam 35 is inserted in front of the push cam 30 to be in close contact with the spring 40, the triangular projection (31a) protrudes in an equiangular position on the circumference in front of the push cam (30) And a cam guide operating portion having an inclined surface 36a in which a triangular projection 31a of the cam operating portion is cam guided in one direction at a circumferential position at the rear of the rotate cam 35. The rotation cam 35 is configured to rotate in one direction by a predetermined angle by forming the 36 to move the front and back of the push cam 30 back and forth.

At this time, the rotation cam 35 is the amount of rotation is adjusted in proportion to the angle at which the inclined surface (36a) of the cam guide operation portion 36 is equally divided.

The screw 50 is inserted into and coupled to the assembly hole 37 inside the rotate cam 35, and the screw 50 is configured to rotate together by the rotation operation of the rotate cam 35.

At this time, the assembling hole 37 and the screw 50 of the rotate cam correspond to the

surface portions

37a and 51 in at least one place in the longitudinal direction so that the rotate cam 35 and the screw 50 rotate simultaneously. It is configured to work.

The screw 50 is screwed into the screw hole 56 in the screw guider 55, but the screw guider 55 protrudes to form an assembly protrusion 57 on the outer circumference of the packing cover 20 front both sides It is fixed to the locking projection (23a) formed in the slot groove (23) of the assembly is configured to move forward by helically guiding the screw.

In addition, the screw 50 is formed to be rotatably inserted into the ring-shaped assembly groove 61 formed at the inner circumference of the lead 60 by protruding the ring-shaped assembly protrusion 52 on the outer circumferential front.

The lead 60 is inserted into the front body 70, and the front body 70 is configured to form a cosmetic filling hole 71 therein.

In addition, the rear outer circumference of the front body 70 forms an insertion step portion 75 inserted into the front of the body, and prevents rotation by engaging the insertion step portion 75 with the first uneven portion 11a inside the body front. The at least two slot grooves 74 may be formed at the fourth concave-convex portion 72 and the locking stepped portion 12a so as to be prevented from being separated and supported by the ring-shaped locking protrusion 73 and the circumferential conformal position.

In addition, the front of the lid 60 has a recessed portion 62a which is filled with cosmetics therein, and has a tapered piston seal 62 having a tapered shape that gradually decreases in diameter from the front side to the front body 70. It is configured to perform a piston role in the interior cosmetic filling hole (71).

The cap member 90 is configured to double injection the outer cap 91 and the inner cap 92, the inner cap 92 is formed of a soft material is configured to hermetically couple the front of the front body 70. .

Meanwhile, in the method of manufacturing a knock-type makeup pencil of the present invention, the pencil shim direct injection molding method does not separately form the pencil shim 2 as shown in FIGS. 11 and 12, except for the cap member 90. After pre-assembling the pencil container is to provide a method for manufacturing by injection molding the cosmetic directly in front of the front body (70).

That is, since the cosmetic is directly manufactured by injection molding the cosmetic filling hole 71 in front of the front body 70, the cosmetic may be molded into a hard material as in the prior art or may be molded into various materials such as a soft material that cannot be conventionally formed. Will be.

As such, cosmetics can be directly injected and molded into the front body 70 by forming a piston sealing part 62 in front of the lead 60 inserted into the filling hole 71 of the front body 70. It will be possible to manufacture by injection molding the cosmetic directly into the filling hole 71 of the front body.

In particular, the piston sealing part 62 is formed in a tapered shape that gradually decreases in diameter from the front to the rear, thereby ensuring excellent sealing force and minimizing the friction area with the filling hole 71 to minimize friction during forward movement. It is configured to protrude so as to smoothly supply the pencil shim (2) by reduction.

Next will be described the operation and action of the present invention as described above.

First, the process of manufacturing the makeup pencil of the present invention will be described, assembling parts other than the cap member 90. (Primary assembly step)

That is, the packing cover 20 is inserted into the inside of the body 10 of the cylindrical body structure in the rear, and inserts the third uneven portion 21 of the rear outer circumference to engage the second uneven portion 11b of the body and ring-shaped The locking groove 22 is inserted into the locking ring (12b) of the inner ring-shaped body is assembled to prevent rotation and separation.

The push cam 30, the rotate cam 35, and the spring 40 are inserted into the first space portion 20a in front of the packing cover 20, and the push 80 is disposed behind the push cam 30. Fixed to protrude to the rear of the body.

At this time, the push cam 30 has a front and rear guide protrusion 32 formed on the outer periphery is inserted into the front and rear guide groove 24 formed in a conformal position on the rear inner peripheral surface of the first space portion 20a of the body, so that the push cam 30 is Combine to guide the movement in the front and rear direction.

The screw 50 is inserted into and coupled to the assembly hole 37 inside the rotate cam 35, and the assembly hole 37 and the screw 50 of the rotate cam are at least one place in the longitudinal direction 37a. Correspondingly forming 51, the rotation cam 35 and the screw 50 are coupled so as to rotate simultaneously.

In addition, the screw guide 55 screwed into the screw hole 56 inside the screw 50 is coupled to the bottom of the packing cover 20, and the assembly protrusion 57 protruding on the outer circumference of the screw guide 55. ) Is fixedly assembled to the locking projections 23a formed in the slot grooves 23 on both sides of the packing cover 20 to be assembled to prevent rotation and separation.

That is, the screw guider 55 is to guide the screw 50 in a spiral.

In this state, the lead 50 is inserted and coupled to the front of the screw 50 so that the lead 60 can be co-rotated by the ring-shaped assembly protrusion 52 and the ring-shaped assembly groove 61.

And the piston seal 62 of the front of the lead is coupled to be inserted into the inner filling hole 71 of the front body 70, the rear of the front body 70 is fixedly coupled to the front of the body (10).

At this time, the insertion stepped portion 75 of the outer periphery of the front body is inserted into the front of the body, and the fourth uneven portion 74 outside the insertion stepped portion 75 is the first uneven portion 11a inside the body front. ) Is coupled to the coupling, and the ring-shaped locking portion 73 is coupled to the rotation and separation prevented by the locking step (12a) inside the body.

Thus, except for the cap member 90 in the cosmetic pencil 100 of the present invention, the body 10, packing cover 20, push cam 30, rotate cam 35, spring 40, screw ( 50), the screw guide 55, the lead 60, the front body 70, the push 80 is assembled.

Then, after the primary assembly state as described above, the injection molding of the cosmetic directly into the inner filling hole 71 in front of the front body 70 to mold the pencil core (2).

In this case, the cosmetics can be molded from various materials, such as a soft material or a hard material that can not be conventionally molded rather than separately molded and assembled.

In addition, since the piston sealing portion 62 of the lead front is inserted into the filling hole 71 in the front body 70 to form a sealed space, direct injection molding of cosmetics is possible.

When the molding of the pencil shim 2 is completed in this way, the cosmetic pencil 100 is simply manufactured by a second assembly step of coupling the cap member 90 to the front body 70 in front of the conventional manufacturing method. It is done.

In the case of using the cosmetic pencil 100 of the present invention manufactured as described above, the body 10 is held in the state in which the cap member 90 is separated, and the push button 80 is operated.

In addition, the push cam 30 coupled to the front of the push 80 is guided by the front and rear guide protrusions 32 in the front and rear guide grooves 24 of the packing cover 20 to move forward.

At the same time, the cam operating part 31 of the push cam 30 and the rotate cam 35 moves while the rotate cam 35 is in close contact with the spring 40 in front of the push cam 30. Cam rotation by the cam guide operation unit 36 is to rotate the rotation cam 35 by a certain angle.

This is because the triangular projection 31a formed on the cam operating portion 31 in front of the push cam 31 is cam guided to the inclined surface 36a formed on the cam guide operating portion 36 behind the rotator cam 35. 35) is rotated by an angle in one direction.

As the rotate cam 35 rotates, the screw 50 inserted into the assembly hole 37 inside the rotate cam rotates together, and the screw 50 spirals to the screw hole 56 inside the screw guider 55. It is combined to guide the spiral and move forward a certain distance.

As such, the screw 50 is moved forward by a predetermined distance, and the piston seal part 62 in front of the lead 60 coupled to be idle in front of the screw is filled in the filling hole in the inside of the front body 70 pencil The shim 2 is pushed forward by piston action.

As such, the push of the pusher 80 causes the pencil core 2 to protrude a predetermined amount through the front body 70, thereby protruding the pencil lead 2 appropriately by repeated pressing of the pusher 80, thereby simplifying use. Will be.

Therefore, the cosmetic pencil 100 of the present invention pre-assembles the pencil container other than the cap member and then directly injects cosmetics into the inner filling hole 71 of the front body 70 to form a pencil shim (2) after the cap member 90) It is manufactured by assembling, which not only improves the manufacturing productivity but also prevents assembly damage such as broken when assembling the pencil shim (2), and can form a variety of pencil shims such as soft materials. Since it advances by fine amounts and uses it, the use satisfaction is excellent.

[Description of the code]

2: pencil core 10: body

11a and 11b: first and second uneven portions 12a: locking step

12b: hang 20: packing cover

20a, 20b: second and second space portions 20c: central step

21: third uneven portion 22: locking groove

23: slot groove 23a: locking jaw

24: front and rear guide groove 25: partition projection

25a: guide slope 30: push cam

31: cam operating part 31a: triangular protrusion

32: guide protrusion 35; Rotate Cam

36: cam guide operating portion 36a: inclined surface

37: assembly worker 37a, 51: toothed part

40: spring 50: screw

52: ring-shaped assembly protrusion 55: screw guider

56: threaded hole 60: lead

61: ring-shaped assembly groove 62: piston seal

70: front body 71: cosmetic filling hole

72: fourth uneven portion 74: slot groove

75: insertion step 80: push

90: cap member 91: outer cap

92: inner cap

The present invention can be formed in various ways, such as a soft material directly filling the makeup pencil core can be usefully used in the industrial production of the makeup pencil.

Claims

A body 10 formed of a cylindrical body structure,

A packing cover 20 inserted into the body so as to be prevented from being rotated and separated, and formed by separating the first and second spaces 20a and 20b by the central step 20c before and after the inside, and

A push cam 30 inserted into the first space portion 20a of the packing cover to be inserted and guided forward and backward, and having a push 80 fixedly coupled to the rear thereof;

Rotate cam 35 is inserted into the front of the push cam 30 in close contact by the elastic force of the spring 40, the cam rotates in one direction by a predetermined angle by the forward and backward movement of the push cam,

Screw 50 is inserted into and coupled to the internal assembly hole 37 of the rotate cam 35, and rotates at the same time by the rotation of the rotate cam,

A screw guider 55 which spirally couples the screw 50 to the inner threaded hole 56 and is fixedly coupled to the front of the packing cover 20 to prevent rotation and separation, and guides the screw 50 spirally;

Lead 60 is coupled to the front of the screw 50 to be idling,

The filling body 71 is formed to be coupled to the front of the body 10 to prevent rotation and separation, and to fill cosmetics therein, and the front body 70 in which the piston sealing part 62 in front of the lid 60 is hermetically inserted. And a cam member (90) that is made of a cam member (90) hermetically coupled to the front body (70).
The method of claim 1,

In the first space portion 20a of the packing cover 20, slot grooves 23 having locking jaws 23a on both front sides and front and rear guide grooves 24 are formed at a conformal position on the rear inner peripheral surface,

The push cam 30 is coupled to the front and rear guide projections 32 formed on the outer periphery to guide back and forth to the front and rear guide grooves 24 of the packing cover,

The screw guide 35 is a knock type of pencil shim direct injection molding method characterized in that the assembly protrusions 57 protruding on the circumference are inserted into the slot grooves 23 of the packing cover to be separated and prevented from rotating. Makeup pencil.
The method according to claim 1 or 2,

An inclined surface in which a triangular projection is cam-guided in one direction to the rear of the rotate cam 35, and protrudes from the cam operating portion 31 protruding the triangular projection 31a to a circumferential isometric position in front of the push cam 30. A knock makeup pencil of a pencil shim direct injection molding method, characterized in that a cam guide operating portion (36a) having (36a) is formed to face each other.
The method according to claim 1 or 2,

The assembling hole 37 and the screw 50 of the rotate cam 35 correspond to the surface portions 37a and 51 in at least one place in the longitudinal direction so that the rotate cam 35 and the screw 50 are simultaneously formed. Knock-type makeup pencil of the pencil lead direct injection molding, characterized in that configured to rotate.
The method according to claim 1 or 2,

The screw 50 is formed by protruding the front outer peripheral ring-shaped assembly protrusion 52 to be rotatably inserted and coupled to the ring-shaped assembly groove 61 formed on the inner circumferential rear of the lead 60. Knock off makeup pencil of the molding method.
The method according to claim 1 or 2,

The piston closure 62 of the lead 60 is a knock-type cosmetic pencil of the pencil lead direct injection molding method characterized in that formed in a tapered shape that is gradually narrower in diameter from the front to the rear.
The method according to claim 1 or 2,

The front body 70 forms an insertion step portion 75 which is coupled to be inserted into the front of the body in the rear outer periphery,

The ring-shaped locking protrusion 73 is engaged with the first recessed and recessed portion 11a of the body by the insertion step portion 75 so as to be prevented from being caught by the fourth recessed and recessed portion 72 and the locking step 12a. And at least two slot grooves 74 formed in a circumferential conformal position, the knock type cosmetic pencil of the pencil shim direct injection molding method.
The body 10, the packing cover 20, the push cam 30, the rotate cam 35, the spring 40, and the screw 50 except for the cap member 90 in the cosmetic pencil of claim 1. The first assembly step of pre-assembling the screw guide 55, the lead 60, the front body 70, the push (80),

And a pencil shim forming step of forming a pencil shim (2) by directly injecting and molding cosmetic into the inner filling hole (71) from the front of the front body (70).

Method for producing a knock-type cosmetic pencil of the pencil lead direct injection molding method characterized in that the manufacturing by the secondary assembly step of coupling the cap member 90 in front of the front body.