JP2008246008A - Application material extrusion container - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To prevent too much amount of application material from being extruded by a click sensation without increasing manufacturing cost and increasing the number of ratchet teeth more than necessary. <P>SOLUTION: One part of click teeth is installed on for example several positions of equal segregation of the circumference as usual while other part of click teeth 6r is installed on several positions of unequal segregation of the circumference. The number of clicks for a rotation of relative rotations of the front part of the container and the back part of the container is set as the number of clicks more than the number of several positions of equal segregation of the circumference without increasing the number of ratchet teeth 6r more than necessary to reduce the amount of the application material extruded by a click sensation. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a coating material extrusion container for extruding and using a coating material.

Conventionally, a main body cylinder (front part of the container), an operation cylinder (container rear part) that is connected to the rear end of the main body cylinder so as to be relatively rotatable, and that has an anti-rotation extending in the axial direction on the inner peripheral surface thereof, A first cylindrical body having a female screw formed on the inner peripheral surface thereof and having ratchet teeth on the rear end surface thereof, and a first cylindrical body and a rotation stopper of the operation cylinder. A second cylindrical body that is disposed between and has a ratchet tooth that meshes with a ratchet tooth of the first cylindrical body at a front end surface thereof, and is engaged with the operation cylinder so as to be capable of synchronous rotation, and the second cylindrical body A compression coil spring that is disposed between the rotation stopper of the operation cylinder and the ratchet teeth so that the ratchet teeth mesh with each other, and a compression coil spring that biases the second cylinder body toward the first cylinder body, and the first and second cylinders Is housed in the operation cylinder and the main body cylinder so as to penetrate the cylindrical body and the compression coil spring, and is screwed into the female thread of the first cylindrical body. A rotation stop that engages with the rotation stop of the male screw and the operation cylinder includes a movable body formed on the outer peripheral surface thereof so as to extend in the axial direction, and by the relative rotation of the main body cylinder and the operation cylinder by the user In addition, there is known a moving body feeding device in which a moving body is sequentially fed to the tip side while a click feeling due to meshing of ratchet teeth is generated, and a liquid filling material such as liquid cosmetics appears and is used. (For example, refer to Patent Document 1). In such an apparatus, the user performs a relative rotation while feeling a click feeling, and if the user wants to produce a large amount of liquid filling, the user performs the relative rotation so as to receive multiple click feelings, and the liquid filling When it is desired to reduce the amount of rotation, the relative rotation is performed so as to receive a few clicks.
JP 2000-262324 A

  Here, in the above apparatus, there is a demand for further reducing the discharge amount (appearance amount) of the liquid filler with one click feeling so that the liquid filler is not excessively discharged. In order to realize such a demand, the number of ratchet teeth can be increased and the number of clicks per rotation due to the relative rotation of the main body cylinder and the operation cylinder can be increased, but if the number of ratchet teeth is increased in this way, The processing time of the mold for forming the ratchet teeth becomes longer, the cooling time at the time of molding becomes longer, the molding time becomes longer, and the manufacturing cost becomes higher.

  In particular, when it is desired to reduce the discharge amount of the liquid filling in one click feeling, for example, to less than half of the conventional amount, the number of ratchet teeth is more than twice that of the conventional one (16 in the case of eight conventional). There is a need.

  The present invention has been made in order to solve such a problem, and without increasing the number of ratchet teeth more than necessary and without increasing the manufacturing cost, the amount of the coating material appearing with a single click feeling can be reduced. It is an object of the present invention to provide a coating material extruding container that can prevent excessive discharge.

  In the coating material extrusion container according to the present invention, the relative rotation between the container front part and the container rear part causes the screwing part in the container to work, and the moving body in the container moves forward, so that the coating material in the container moves from the opening at the tip of the container. In the appearing coating material extruding container, the container front part and the container rear part are each provided with a click tooth that engages in the rotational direction around the axis and gives a click feeling with the movement of the moving body according to the relative rotation. The other click teeth are provided at a plurality of non-equal parts of the circumference, and the number of clicks per rotation by relative rotation is greater than that of the plurality of parts at the same circumference division. It is characterized by clicks.

  According to such a coating material extruding container, one click tooth is provided at a plurality of equally divided circumferential positions as in the prior art, while the other click tooth has a plurality of circumferentially unequal parts. Since the number of ratchet teeth is not increased more than necessary, the number of clicks per rotation due to the relative rotation of the container front part and the container rear part is more than the number of clicks more than a plurality of circumferentially divided parts. It is possible to reduce the appearance amount of the coating material with a single click feeling. For this reason, it is possible to prevent excessive application of the coating material with a single click feeling without increasing the manufacturing cost.

  Here, one of the click teeth is provided at eight places on the circumference equally divided, the other click tooth is provided at eight places on the circumference unequal, and the number of clicks per one rotation by relative rotation is 16 When the number of clicks is increased, the number of clicks becomes twice or more than the number of click teeth, and the appearance amount of the coating material with a single click feeling can be greatly reduced with a small number of click teeth.

  In addition, as a specific configuration that effectively exhibits the above-described operation, the other click tooth has four positions every 90 ° in the circumference, and two counterclockwise positions out of the four positions clockwise and counterclockwise. The structure provided in four places each rotated 22.5 degrees is mentioned. According to this, at the time of the relative rotation, the load acts on each click tooth with a good balance.

  Moreover, when either one of the click teeth at the front of the container or the click teeth at the rear of the container is integrally provided with an elastic body that urges the click teeth in the axial direction, the number of parts is reduced, and molding, Manufacturing such as assembly is simplified, and the manufacturing cost is reduced.

  Further, the click tooth may be a ratchet tooth that restricts relative rotation in the direction in which the moving body is fed back and allows only relative rotation in the direction in which the moving body is fed out.

  Thus, according to the coating material extruding container according to the present invention, the number of the ratchet teeth is not increased more than necessary, and thus the appearance amount of the coating material can be reduced with a single click feeling without increasing the manufacturing cost. It becomes possible to prevent.

  Hereinafter, a preferred embodiment of a coating material extruding container according to the present invention will be described with reference to FIGS. In each figure, the same symbols are attached to the same elements, and duplicate descriptions are omitted. 1 and 2 are longitudinal sectional views showing states of the coating material extruding container according to the embodiment of the present invention, FIGS. 3 to 6 are views showing a click female screw member, and FIGS. It is each figure which shows a click spring member, The application material extrusion container of this embodiment accommodates an application material, and enables extrusion by a user's operation suitably.

  Here, as the coating material, for example, lip gloss, lip, eye color, eyeliner, cosmetic liquid, cleaning liquid, nail enamel, nail care solution, nail remover, mascara, anti-aging, hair color, hair cosmetics, oral care, Includes liquids such as massage oil, square plug loosening liquid, foundation, concealer, skin cream, marking pen and other writing instruments, liquid medicines, mud, etc., jelly, gel, and paste It is possible to use semi-solid such as kneaded or soft solid.

  As shown in FIG.1 and FIG.2, the coating material extrusion container 100 comprises the cylindrical main body cylinder 1 which comprised the filling area | region 1x which comprises a container front part, and was filled with the coating material L inside, and a container rear part. An outer configuration of a bottomed cylindrical operation tube 2 mounted on the rear end of the body tube 1 so as to be relatively rotatable and a brush (applying body) 7 mounted on the front end side of the body tube 1 It has.

  In this container, a rod-shaped moving body 4 having a piston 3 at its tip and for extruding the coating material L, a click female screw for moving the moving body 4 and allowing only forward movement and giving a click feeling. A member 5 and a click spring member 6 that cooperates with the click female screw member 5 are disposed.

  The moving body 4 includes a male screw 4e over substantially the entire length of the outer peripheral surface, and a concave groove 4b extending in a pair of axial directions at a position opposed to the outer peripheral surface. The pair of opposing ridges 2b provided so as to protrude radially inwardly on the inner peripheral surface of each of the two members enters each other and engages in the rotational direction around the axis, thereby enabling synchronous rotation with respect to the operation cylinder 2. And it can be moved in the axial direction.

  As shown in FIGS. 3 to 5, the click female screw member 5 includes an outer cylinder 5 a, an inner cylinder 5 b that is arranged substantially coaxially with the outer cylinder 5 a, and an axial direction of the outer cylinder 5 a. An annular connecting portion 5c connected to the center and the rear end of the inner cylinder 5b to connect them, and as shown in FIGS. 4 to 6, the rear ends of the inner cylinder 5b and the connecting portion 5c are arranged along the circumferential direction. A plurality of ratchet teeth 5r (details will be described later) are provided integrally. Further, as shown in FIGS. 3 to 5, the click female screw member 5 is provided with a female screw 5 e on the inner peripheral surface of the inner cylinder 5 b along the axial direction.

  As shown in FIGS. 1 and 2, the click female screw member 5 includes a plurality of protrusions 5d provided on the outer peripheral surface of the outer cylinder 5a along the circumferential direction and extending a predetermined length in the axial direction. By engaging with a knurl 1d that extends a predetermined length along the axial direction on the peripheral surface and is densely arranged with irregularities along the circumferential direction, it can be rotated synchronously with respect to the main cylinder 1 by engaging in the rotational direction around the axial line. At the same time, the forward movement is prevented by the inclined surface 1 b of the inner peripheral surface of the main body cylinder 1. The male screw 4e provided on the outer peripheral surface of the moving body 4 is screwed into the female screw 5e of the click female screw member 5.

  As shown in FIGS. 1 and 2, the click spring member 6 is disposed between the click female screw member 5 and the front end surface of the protrusion 2 b of the main body cylinder 2, and a ratchet protruding forward on the front end surface. As shown in FIGS. 7 to 10, the teeth 6r are provided in a predetermined manner along the circumferential direction (details will be described later).

  As shown in FIGS. 7 to 9, the click spring member 6 has an elastic body 6 a for urging the ratchet teeth 6 r toward the front side in the axial direction, and is integrally formed with the front portion. ing. Here, the elastic body 6a is a compression spring having a spiral slit.

  The click spring member 6 includes a plurality of protrusions 6f provided along the circumferential direction with respect to the outer peripheral surface between the ratchet teeth 6r and the compression spring 6a and extending a predetermined length in the axial direction as shown in FIGS. As described above, by engaging a knurl 2f extending in a predetermined length along the axial direction on the inner peripheral surface of the distal end portion of the operation cylinder 2 and having unevenness densely arranged along the circumferential direction, Synchronous rotation with respect to the cylinder 2 is possible.

  Then, the ratchet teeth 6r of the click spring member 6 are urged forward by the compression spring 6a, and the ratchet teeth 5r of the click female screw member 5 can be engaged (engaged) in the rotational direction around the axis.

  These ratchet teeth 5r and 6r are formed in a triangular shape in a side view combining obtuse angles (or right angles) and acute angles, and the main body cylinder 1 in which the click female screw member 5 is engaged in the rotation direction and the click spring member 6 rotate. Only relative rotation in one direction (the moving-out direction of the moving body 4) with the operating cylinder 2 engaging in the direction is allowed, and in the other direction (the moving-out direction of the moving body 4) opposite to the one direction. The relative rotation is restricted.

  As shown in FIGS. 1 and 2, a screwing mechanism 50 is constituted by the female screw 5 e of the click female screw member 5 and the male screw 4 e of the moving body 4, and the protrusion 2 b and the moving body 4 of the operation cylinder 2 are formed. A rotation preventing mechanism 60 is constituted by the recessed groove 4b, and a ratchet mechanism 20 is constituted by the ratchet teeth 5r of the click female screw member 5, the ratchet teeth 6r of the click spring member 6, and the compression spring 6a of the click spring member 6.

  Next, the ratchet teeth 5r of the click female screw member 5 and the ratchet teeth 6r of the click spring member 6 will be described.

  As shown in FIG. 6, the ratchet teeth 5 r of the click female screw member 5 are provided at a plurality of circumferentially equal divisions, and here, provided at eight circumferentially equal divisions, that is, every 45 ° in the circumferential direction. It has been.

  Here, in particular, the ratchet teeth 6r of the click spring member 6 according to the present embodiment are provided at a plurality of locations with unequal circumferences, as shown in FIG. It has been. More specifically, the ratchet teeth 6r are provided at four locations every 90 ° in the circumferential direction, and at four locations rotated by 22.5 ° clockwise and counterclockwise from the two opposing locations of the four locations. Is provided.

  In the coating material extruding container 100 configured as described above, when the user removes the cap 8 shown in FIG. 1 from the main body cylinder 1 and the main body cylinder 1 and the operation cylinder 2 are relatively rotated in one direction. The ratchet teeth 5r and 6r are also relatively rotated in one direction synchronously, and the user is given a click feeling (resistance feeling) each time the ratchet teeth 5r and 6r are engaged with each other. 2, the coating material L in the filling region 1x is sequentially pushed out to the tip side by the piston 3 at the tip of the moving body 4 that is fed out in accordance with relative rotation. It passes through the pipe member 9 attached to the part, emerges from the opening 9a at the tip of the pipe member 9, and is discharged to the brush 7 to be used.

  When the moving body 4 is extended, the ratchet teeth 5r of the click female screw member 5 are provided at a plurality of equally divided portions, whereas the ratchet teeth 6r of the click spring member 6 are not circumferential. Since it is provided at multiple equal parts, the number of clicks per rotation due to the relative rotation of the main body cylinder 1 and the operation cylinder 2 can be increased at an equal number of circumferences without increasing the number of ratchet teeth more than necessary. The number of clicks is increased, and the appearance amount of the coating material L with one click feeling is reduced. Therefore, it is possible to prevent the coating material L from being taken out with one click feeling without increasing the manufacturing cost.

  Specifically, the ratchet teeth 5r of the click female screw member 5 are provided at eight equal circumferential divisions, and the ratchet teeth 6r of the click spring member 6 are provided at eight non-equal circumferences, which are caused by relative rotation. Since the number of clicks per rotation is 16, the number of clicks is twice the number of ratchet teeth 5r, and the coating material L can be applied with a single click feeling with a small number of ratchet teeth 5r, 6r. The amount of appearance has been greatly reduced.

  Then, the ratchet teeth 6r of the click spring member 6 are provided at four locations each having a circumference of 90 ° and four locations rotated by 22.5 ° clockwise and counterclockwise from the two opposing locations. Therefore, the load acts on the ratchet teeth 5r and 6r in a balanced manner during the relative rotation.

  Further, in this embodiment, the ratchet teeth 6r of the click spring member 6 are integrally provided with a compression spring 6a that urges the ratchet teeth 6r in the axial direction, so that the number of parts is reduced, Manufacturing such as molding and assembly is simplified, and the manufacturing cost is reduced. Incidentally, the click teeth 5r of the click female screw member 5 may be integrally provided with the compression spring 6a so as to achieve the same operation and effect.

  In the present embodiment, the ratchet teeth 6r are arranged in an unequal arrangement as shown in FIG. 10 to provide particularly preferable actions and effects, but the present invention is not limited to this. Further, the ratchet teeth 5r, 6r may be reversed, the ratchet teeth 5r of the click female screw member 5 may be non-equally arranged, and the ratchet teeth 6r of the click spring member 6 may be equally divided.

  Then, by appropriately changing the pitch, the number, the arrangement, and the like of the ratchet teeth that are equally divided and the ratchet teeth that are not evenly arranged, the number of clicks per one rotation by the relative rotation can be changed to a plurality of equal circumferential divisions. The number of clicks can be more than twice as many as the number of places (in this embodiment, twice as many as 16 times).

  As described above, the present invention has been specifically described based on the embodiment. However, the present invention is not limited to the above-described embodiment. For example, in the above-described embodiment, the main body in the other direction in which the moving body 4 is fed back. Although the ratchet mechanism 20 has ratchet teeth 5r and 6r that restrict the relative rotation of the cylinder 1 and the operation cylinder 2 and allow only the relative rotation of the main body cylinder 1 and the operation cylinder 2 in one direction for feeding out the moving body 4. The ratchet teeth 5r, 6r are shaped like mountain-shaped click teeth having, for example, an upward slope and a downward slope along the circumferential direction, and the other direction in which the movable body 4 is fed back in addition to the relative rotation in one direction in which the movable body 4 is fed out. It is also possible to use a click mechanism that allows relative rotation to the. Also in this case, at the time of relative rotation in the other direction, the click teeth repeatedly engage and release in the rotation direction, and a click feeling is generated.

  In the above embodiment, the coating material L is particularly suitable when the coating material L is a semi-solid or soft solid such as a liquid, a jelly, a gel, or a paste including a paste. Although the container 100 is described, when the coating material is a rod-shaped body such as a rod-shaped core such as an eyeliner, an eyebrow, a lip liner, a lipstick, etc. It can also be applied to. In this case, the application body such as the brush 7 at the front end is eliminated, and the rod-shaped body appears and disappears from the opening provided at the front end of the main body cylinder.

  In addition, the male screw and the female screw may function in the same manner as a screw thread, such as an intermittently arranged projection group or a spiral and intermittently arranged projection group. The mating protrusion may be a continuous screw thread.

  Further, the click tooth can be selected from various shapes such as an obtuse triangle, an acute triangle, a right triangle, an isosceles triangle, and a hemispherical shape according to the click feeling and the ratchet function.

It is a longitudinal cross-sectional view which shows the initial state of the coating material extrusion container which concerns on embodiment of this invention. It is a longitudinal cross-sectional view when the moving body of the coating material extrusion container shown in FIG. 1 advances to the maximum. It is the perspective view which looked at the click female screw member in FIG.1 and FIG.2 from the front. It is the perspective view which looked at the click female screw member in FIG.1 and FIG.2 from back. FIG. 5 is a cutaway perspective view of the click female screw member shown in FIG. 4. It is a right view of the click female screw member in FIG.1 and FIG.2. It is a perspective view which shows the click spring member in FIG.1 and FIG.2. It is a top view of the click spring member shown in FIG. It is a front view of the click spring member shown in FIG. FIG. 10 is a left side view of the click spring member shown in FIG. 9.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Main body cylinder (container front part), 2 ... Operation cylinder (container rear part), 4 ... Moving body, 5 ... Click female screw member, 5r ... One click tooth, 6 ... Click spring member, 6a ... Compression spring (elasticity) Body), 6r ... the other click tooth, 9a ... the opening at the tip of the container, 50 ... the screwing part, 100 ... the coating material extrusion container, L ... the coating material.

Claims (5)

In the coating material extrusion container in which the coating material in the container emerges from the opening at the tip of the container by the relative rotation between the container front part and the container rear part, the screwing part in the container works and the moving body in the container moves forward,
Each of the container front part and the container rear part includes a click tooth that engages in a rotation direction around an axis and gives a click feeling as the moving body moves according to the relative rotation.
One click tooth is provided at multiple locations on the circumference, etc.
The other click teeth are provided at a plurality of locations that are not evenly circumferential.
The number of clicks per rotation due to the relative rotation is greater than the number of clicks at a plurality of equally divided circumferential locations. The one click tooth is provided at eight parts of the circumference equally divided,
The other click tooth is provided at eight places on the circumference unequal,
2. The coating material extruding container according to claim 1, wherein the number of clicks per one rotation by the relative rotation is 16 or more.   The other click teeth are provided at four locations every 90 ° in circumference and at four locations rotated by 22.5 ° clockwise and counterclockwise from two opposing locations among the four locations. The coating material extruding container according to claim 2.   Either one of the click tooth of the said container front part or the click tooth of the said container rear part is provided with the elastic body which urges | biases the said click tooth to an axial direction integrally, The any one of Claims 1-3 characterized by the above-mentioned. The coating material extrusion container according to Item.   5. The ratchet tooth according to claim 1, wherein the click tooth is a ratchet tooth that restricts relative rotation in a direction in which the movable body is fed back and allows only relative rotation in a direction in which the movable body is fed out. The coating material extrusion container according to Item.

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