JP5374342B2 - Coating material extrusion container - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a coating material extruding container capable of preventing the breakage of a ratchet arm. <P>SOLUTION: In the coating material extruding container 100, the screwing action of a screwing part 8 is made to function and a moving body 6 is moved forward by the relative rotation in one direction of a main body cylinder 2 and an operation cylinder 3, and a ratchet mechanism 101 including a rachet arm 52 spirally extending around the axis and ratchet teeth 34 projected in the axial direction is provided. The ratchet mechanism 101 locks the distal end part 52x of the ratchet arm 52 and the ratchet teeth 34 in the circumferential direction to regulate the relative rotation in the other direction of the main body cylinder 2 and the operation cylinder 3. In this case, in the coating material extrusion container 100, a projection part 36 is provided on the side face 34c of the ratchet teeth 34, and since the projection part 36 approaches the distal end part 52x of the ratchet arm 52 in the axial direction in the state of regulating the relative rotation, even when the relative rotation is performed further in the other direction in the state, the displacement of the distal end part 52x to the rear side in the axial direction is suppressed. <P>COPYRIGHT: (C)2011,JPO&amp;INPIT

Description

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

  As a conventional coating material extruding container, for example, a moving body and a screwing part are provided in the container, and the moving body is actuated by the screwing action of the screwing part by relative rotation in one direction between the container front part and the container rear part. What is moving forward is known. Such a coating material extrusion container may be provided with a ratchet mechanism as described in Patent Document 1, for example.

  The ratchet mechanism described in Patent Document 1 is provided on a ratchet tooth projecting radially inward on the inner peripheral surface of a shaft cylinder (container front part) and a disk part that can rotate synchronously with a rotating body (container rear part). A ratchet arm that extends counterclockwise in the circumferential direction, and allows relative rotation in the clockwise direction (one direction) between the shaft cylinder and the rotating body, while rotating the ratchet arm in the counterclockwise direction (the other direction). The nail | claw part of the front-end | tip is latched by a ratchet tooth, and is controlled (blocked).

JP 2003-237281 A

  Here, in the coating material extrusion container as described above, improvement in reliability is increasingly required, for example, a state in which relative rotation in the other direction between the container front part and the container rear part is regulated by a ratchet mechanism (hereinafter, It is desired to prevent breakage of the ratchet arm even when the user further rotates in the other direction in the “relative rotation restricted state”.

  Then, this invention makes it a subject to provide the coating material extrusion container which can prevent a ratchet arm from breaking.

  In order to solve the above problems, the present inventors have conducted intensive studies and found the following phenomenon. That is, when the relative rotation is further rotated in the other direction in the relative rotation restriction state, a pressing load corresponding to the relative rotation torque is applied to the tip portion of the ratchet arm. At this time, in the ratchet arm, for example, the tip end side is displaced so as to expand, for example, and stress concentrates on the base end side of the ratchet arm. As a result, the ratchet arm was easily broken. Thus, if the displacement of the tip of the ratchet arm can be regulated in the relative rotation regulation state, it has been conceived that the concentration of stress in the ratchet arm can be suppressed, and consequently the ratchet arm can be prevented from being broken, and the present invention has been completed.

  That is, the coating material extruding container according to the present invention includes a moving body and a screwing portion in the container, and the screwing action of the screwing portion is activated by the relative rotation of the container front portion and the container rear portion in one direction. An advancing coating material extruding container including a ratchet arm extending spirally around an axis, and a ratchet tooth protruding in the axial direction, and a container front and a container rear in a direction opposite to the one direction, A ratchet mechanism for locking the tip portion of the ratchet arm and the ratchet teeth in the circumferential direction so that the relative rotation of the ratchet arm is restricted, and the tip portion when the tip portion of the ratchet arm and the ratchet teeth are locked in the circumferential direction And a restricting portion for restricting the displacement of the head.

  In the coating material extruding container according to the present invention, the displacement of the tip portion of the ratchet arm is restricted by the restricting portion in the relative rotation restricting state. Therefore, even when the container front part and the container rear part are further rotated relative to each other in the relative rotation restricted state, it is possible to suppress the concentration of stress on the ratchet arm due to the displacement of the tip part of the ratchet arm. Therefore, according to the present invention, breakage of the ratchet arm can be prevented.

  The restricting portion restricts the axial displacement of the tip portion adjacent to the tip portion of the ratchet arm in the axial direction when the tip portion of the ratchet arm and the ratchet teeth are locked in the circumferential direction. It is preferable that the 1st wall part to be included is included. In this case, the displacement of the tip end portion of the ratchet arm in the relative rotation restricted state is suppressed in the axial direction.

  The restricting portion restricts the radial displacement of the tip portion of the ratchet arm adjacent to the tip portion of the ratchet arm in the radial direction when the tip portion of the ratchet arm and the ratchet teeth are locked in the circumferential direction. It is preferable that the 2nd wall part to include is included. In this case, in the relative rotation restricted state, the tip portion of the ratchet arm is suppressed from being displaced in the radial direction.

  A screw cylinder that includes a female screw and a ratchet arm that constitute one of the screwing portions, and that can rotate synchronously with the front portion of the container and engage in an axial direction; an operation cylinder that includes a ratchet tooth and constitutes the rear portion of the container; Are preferably provided. In this case, the female screw and the ratchet arm of the screwing portion can be integrally formed as a screw cylinder, and efficient molding and cost reduction can be realized.

  According to the present invention, breakage of the ratchet arm can be prevented.

It is a front perspective view of the coating material extrusion container which concerns on one Embodiment of this invention. It is a vertical side view of the coating material extrusion container of FIG. It is a disassembled perspective view of the coating material extrusion container of FIG. It is a front perspective view of the screw cylinder in the coating material extrusion container of FIG. It is a back perspective view of the screw cylinder in the coating material extrusion container of FIG. It is a vertical side view of the screw cylinder in the coating material extrusion container of FIG. It is a front perspective view of the operation cylinder in the coating material extrusion container of FIG. It is a vertical side view of the operation cylinder in the coating material extrusion container of FIG. It is a top view of the operation cylinder in the coating material extrusion container of FIG. It is a back perspective view of the moving body in the coating material extrusion container of FIG. It is a vertical side view of the moving body in the coating material extrusion container of FIG. It is a front view for demonstrating the displacement of the front-end | tip part in the ratchet arm of the coating material extrusion container of FIG. It is a side view for demonstrating the displacement of the front-end | tip part in the ratchet arm of the coating material extrusion container of FIG.

  DESCRIPTION OF EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings. In the following description, the same or equivalent elements will be denoted by the same reference numerals, and redundant description will be omitted.

  1 is a front perspective view of a coating material extrusion container according to an embodiment of the present invention, FIG. 2 is a longitudinal side view of the coating material extrusion container of FIG. 1, and FIG. 3 is an exploded perspective view of the coating material extrusion container of FIG. is there. As shown in FIGS. 1 and 2, the coating material extruding container 100 according to the present embodiment accommodates and holds the coating material M (see FIG. 2) and can be appropriately extruded (delivered) by a user's operation. is there.

  Examples of the coating material M include various stick-shaped cosmetics such as lipstick, lip gloss, eyeliner, eye color, eyebrow, lip liner, cheek color, concealer, beauty stick, hair color, and writing tools. It is possible to use a rod-shaped core, etc., and particularly a very soft rod-like material (semi-solid, soft-solid, soft, jelly-like, mousse-like, or a kneaded shape containing these) is used. Is preferred. Further, a thin rod-shaped object having an outer diameter of 1 mm or less or a thick rod-shaped object having a diameter of 10 mm or more can be used.

  The coating material extruding container 100 includes a filling member 1 having a filling region filled with the coating material M therein, and the filling member 1 is inserted into the front half of the filling member 1 in the axial direction and the rotational direction. The main body cylinder 2 connected so as to be integrated with each other and the operation cylinder 3 connected to the rear end portion of the main body cylinder 2 in the axial direction so as to be relatively rotatable, are provided as the outer configuration, and the filling member 1 and the main body The cylinder 2 constitutes the container front, and the operation cylinder 3 constitutes the container rear. As shown in FIG. 2, the coating material extruding container 100 includes a screw cylinder 5, a moving body 6, and a piston 7. The cap cylinder C is detachably attached to the main body cylinder 2. ing. The “axis” means a center line extending in the front-rear direction of the coating material extruding container 100 (hereinafter the same).

  The screw cylinder 5 can be rotated synchronously with the main body cylinder 2 and is engaged with the moving body 6 via the screwing portion 8 while being engaged in the axial direction. The movable body 6 is engaged with the operation cylinder 3 so as to be synchronously rotatable and movable in the axial direction, and is screwed into the screw cylinder 5 via a screwing portion 8 so that the main body cylinder 2 and the operation cylinder 3 are relatively relative to each other in one direction. Advances when rotated. The piston 7 is attached to the front end (front end) of the moving body 6 to form the rear end of the filling region. The main body cylinder 2 (screw cylinder 5) and the operation cylinder 3 are allowed to rotate in one direction by the ratchet mechanism 101 including the ratchet arm 52 and the ratchet teeth 34, while the relative rotation in the other direction is restricted. Is done. Incidentally, “one direction” means any one direction in the rotational direction around the axis, and “other direction” means a direction opposite to one direction in the rotational direction.

  As shown in FIG. 3, the main body cylinder 2 is formed of, for example, ABS (acrylonitrile butadiene styrene) resin and has a stepped cylindrical shape. Specifically, the main body cylinder 2 includes a small-diameter portion 21x located on the front side thereof, and a large-diameter portion 21y continuous with a step surface 21p on the rear side of the small-diameter portion 21x and having a larger-diameter outer shape than the small-diameter portion. And have. The inner diameters of the small diameter portion 21x and the large diameter portion 21y are smaller than the large diameter portion 21y in the same manner as the outer diameter.

  A pair of through-holes 22 penetrating in the radial direction is formed in the small diameter portion 21x so as to engage the filling member 1 in the axial direction and the rotational direction. The through hole 22 has a long hole shape whose longitudinal direction is the axial direction. The through-hole 22 here also functions as a window portion for grasping the remaining amount of the filled coating material M (details will be described later).

  An annular convex portion 23 is provided at a predetermined portion including the front end on the inner peripheral surface of the small diameter portion 21x in order to engage the filling member 1 in the axial direction. A cap mounting portion 24 for detachably mounting the cap C is provided at each position separated from the through holes 22, 22 by 45 ° in the circumferential direction at the rear end portion of the outer peripheral surface of the small diameter portion 21x.

  The cap mounting portion 24 includes an arc-shaped convex portion 25 that extends a predetermined length in the circumferential direction as the cap C being locked in the axial direction, and an arc-shaped convex portion 25 and a step surface as the cap C being locked in the rotational direction. And the linear convex portions 26a and 26b provided between the first and second portions 21p. The linear protrusions 26a and 26b extend in the axial direction so as to connect the arc-shaped protrusion 25 and the step surface 21p. These linear protrusions 26a and 26b are arranged side by side in the circumferential direction, and the protrusion height of one (here, the linear protrusion 26b) is the protrusion height of the other (here, the linear protrusion 26a). It is lower than this.

  At the rear end of the inner peripheral surface of the large-diameter portion 21y, an annular concavo-convex portion (a concavo-convex portion is arranged in the axial direction) 27 for allowing the operation cylinder 3 to be relatively rotatable and engaging in the axial direction (see FIG. 2) ) Is provided.

  The cap C is formed of, for example, a transparent AS (acrylonitrile styrene) resin, and has a bottomed cylindrical shape that opens to the rear side. The cap C has an outer diameter equal to the large diameter portion of the main body cylinder 2. Further, as shown in FIG. 3, the cap C includes button-like convex portions C <b> 1 to C <b> 4 at a circumferentially equidistant position at the rear end portion of the inner peripheral surface thereof.

  Such a cap C is extrapolated to the small-diameter portion 21x so that the convex portions C1 to C4 do not overlap the cap mounting portion 24 in the axial direction view, and the rear end surface is abutted against the step surface 21p. The portion C1 to C4 is rotated relative to the small diameter portion 21x until it gets over the linear convex portion 26b. Thus, the convex portions C1 to C4 are locked in the circumferential direction by the linear convex portions 26a and 26b while being locked in the axial direction by the arc-shaped convex portion 25 and the step surface 21p, and as a result, the cap C serves as a protective member. Attached to the main body cylinder 2.

  On the other hand, the cap C is extrapolated to the rear end portion of the operation tube 3 in use, for example, and the convex portions C1 to C4 are engaged with the operation tube 3 in the rotation direction, so that the operation tube 3 is operated with an operation auxiliary member. It is mounted so that it can rotate synchronously.

  As shown in FIGS. 2 and 3, the filling member 1 discharges the coating material M filled in the filling region inside from the front end portion according to the operation by the user. The filling member 1 is formed of, for example, transparent PET (polyethylene terephthalate), has a cylindrical shape, and an opening 1a at the tip thereof is an opening for allowing the coating material M to appear.

  An annular notch 11 for engaging with the annular convex portion 23 of the main body cylinder 2 is provided at the front end portion of the outer peripheral surface of the filling member 1. Further, on the outer peripheral surface of the filling member 1, a pair of protrusions 12 extending in the axial direction are opposed to each other so as to be engaged with the through hole 22 of the main body cylinder 2 from the central portion in the axial direction to the front end portion. Is provided. Further, on the outer peripheral surface of the filling member 1, convex portions 13 extending in the circumferential direction are provided at the circumferentially equidistant positions of the rear end portion for engaging the screw cylinder 5. Grooves 14 extending in the axial direction are provided at predetermined positions in the circumferential direction at predetermined positions including the rear end on the outer peripheral surface of the filling member 1 so as to engage the screw cylinder 5.

  As shown in FIGS. 2 and 3, the filling member 1 is inserted into the main body cylinder 2 from the front side thereof, and the annular protrusion 23 of the main body cylinder 2 is abutted against the annular notch portion 11, and the protrusion When the portion 12 is fitted into the through hole 22 of the main body cylinder 2, the main body cylinder 2 is engaged with and attached to the main body cylinder 2 in the axial direction and the rotation direction, and is integrated with the main body cylinder 2.

  4 is a front perspective view of the screw cylinder in the coating material extrusion container of FIG. 1, FIG. 5 is a rear perspective view of the screw cylinder in the coating material extrusion container of FIG. 1, and FIG. 6 is a diagram of the screw cylinder in the coating material extrusion container of FIG. It is a vertical side view. As shown in FIG. 4, the screw cylinder 5 is formed of, for example, POM (polyacetal), and has a cylindrical shape in which an outer cylinder 5x and an inner cylinder 5y are connected by a connecting portion 5p.

  The outer cylinder 5x is provided with through-holes 51 penetrating in the radial direction at positions equally spaced in the circumferential direction, for engaging the convex portion 13 of the filling member 1. The through hole 51 has a long hole shape with the circumferential direction as the longitudinal direction. In addition, as shown in FIG. 6, in the inner circumferential surface of the outer cylinder 5 x, the circumferential end of the rear end portion is arranged at four equal positions in the circumferential direction so as to engage with the groove portion 14 of the filling member 1. The existing protrusion 55 is provided. The inner cylinder 5y is disposed coaxially with the outer cylinder 5x, and its axial length is smaller than that of the outer cylinder 5x. On the inner peripheral surface of the inner cylinder 5y, a female screw 8a constituting the screwing portion 8 is provided.

  The connecting portion 5p has an annular plate shape, and the outer cylinder 5x and the inner cylinder 5y are connected to the outer peripheral edge and the inner peripheral edge of the front surface, respectively. The connecting portion 5p includes a pair of ratchet arms 52 that spirally extend around the axis so as to have an elastic force in the axial direction as one engagement portion in the ratchet mechanism 101.

  As shown in FIG. 5, the ratchet arm 52 bends in the axial direction around the base end portion 52 y side, thereby giving an elastic force due to the material in the axial direction. A pair of the ratchet arms 52 is provided at positions facing each other through the axis in the connecting portion 5p. Specifically, the ratchet arm 52 has a rectangular cross section, and extends from the other circumferential side of the through hole 53 extending in the circumferential direction at the connecting portion 5p (clockwise direction as viewed from the front) to one circumferential side ( It is configured to extend spirally toward the counterclockwise direction side in the front view and the axial rear side.

  Such a screw cylinder 5 is inserted between the large diameter portion 21 y of the main body cylinder 2 and the filling member 1 as shown in FIGS. At this time, the protrusion 55 is engaged with the groove portion 14 of the filling member 1 in the rotation direction, and the convex portion 13 of the filling member 1 is fitted into the through hole 51, so that the filling member 1 and the main body cylinder are fitted. 2 is engaged and mounted in the axial direction and the rotational direction, and is integrated therewith.

  7 is a front perspective view of the operation cylinder in the coating material extrusion container of FIG. 1, FIG. 8 is a longitudinal side view of the operation cylinder in the coating material extrusion container of FIG. 1, and FIG. It is a top view. As shown in FIGS. 7 to 9, the operation cylinder 3 is formed of ABS resin and has a bottom plug portion 31x configured in a bottomed cylindrical shape, and a front center of the bottom portion 32 of the tail plug portion 31x so as to face the front end side. And a shaft body 31y erected.

  An annular convex recess 33 for engaging the main body cylinder 2 in the axial direction is provided at the front end portion of the outer peripheral surface of the tail plug portion 31x. The tail plug portion 31x regulates the displacement of the ratchet arm 52 in a state where the relative rotation of the main body cylinder 2 and the operation cylinder 3 in the other direction is restricted by the ratchet mechanism 101 (hereinafter referred to as a relative rotation restricted state). It has an inner peripheral surface 38 with a large inner diameter (details will be described later). Further, on the outer peripheral surface of the tail plug portion 31x, an annular elastic body for providing a sliding resistance (rotation resistance) that is suitable for relative rotation between the main body cylinder 2 and the operation cylinder 3 is provided on the front side of the annular convex recess 33. An O-ring groove 123 extending in an annular shape is formed for mounting an O-ring 102 (see FIG. 2).

  In addition, the tail plug portion 31 x has a plurality of ratchet teeth 34 as the other engagement portion in the ratchet mechanism 101. The ratchet teeth 34 are for engaging and locking with the ratchet arm 52, and project in the axial direction at eight positions in the circumferential direction on the front surface of the bottom portion 32. The ratchet teeth 34 are continuous with the inner peripheral surface 38 of the tail plug portion 31x, and extend radially by a predetermined length toward the shaft body 31y when viewed in the axial direction.

  The tip end surfaces 34a of these ratchet teeth 34 have a projecting height that decreases toward one side in the circumferential direction (the side on which the ratchet arm 52 abuts when the main body cylinder 2 and the operation cylinder 3 are relatively rotated in one direction). It has the inclined surface 34b which inclines with respect to the orthogonal plane of the axis direction. Further, the side surface 34c on the other side in the circumferential direction of the ratchet teeth 34 (the side on which the ratchet arm 52 abuts when the main body cylinder 2 and the operation cylinder 3 are relatively rotated in the other direction) is in a relative rotation restricted state. As a means for restricting the displacement of the tip 52x of the ratchet arm 52, a convex portion 36 extending in the axial direction is provided.

  Specifically, the convex portion 36 is provided so as to be continuous with the inner peripheral surface 38 of the tail plug portion 31x on the radially outer side of the side surface 34c, and protrudes in the radial direction with a substantially rectangular cross section. Further, the convex portion 36 extends to a region extending from a position on the rear side by a predetermined length from the front end of the side surface 34 c to the rear end of the side surface 34 c, and is continuous with the bottom portion 32. And the front surface 36a of the convex part 36 is a plane in alignment with the orthogonal surface of an axial direction.

  Moreover, as shown in FIG. 7, the groove part extended in an axial direction as a thing for engaging the convex parts C1-C4 of the cap C to the predetermined part including a rear end in the outer peripheral surface of the tail plug part 31x. 37 are provided at equal circumferential positions. The groove depth of the groove 37 is such that the front end is shallower than the rear end (the rear end is deeper than the front end) so that the protrusions C1 to C4 of the cap C can easily enter and reliably engage with each other. It has become.

  The shaft body 31y has a non-circular outer shape. Specifically, the shaft body 31y has a non-circular cross-sectional shape including protrusions 39 that are arranged on the outer circumferential surface of the cylindrical body so as to project radially outward at the circumferentially equidistant positions and extend in the axial direction. Has been.

  2, the front side of the tail plug portion 31x of the operation tube 3 is inserted into the main body tube 2, and the annular convex / concave portion 33 of the tail plug portion 31x is the annular concave / convex portion 27 of the main body cylinder 2. By being engaged with each other in the axial direction, the main body cylinder 2 is mounted in the axial direction so as to be relatively rotatable. At this time, the distal end portion 52x of the ratchet arm 52 and the distal end surface 34a of the ratchet tooth 34 of the operation cylinder 3 are arranged so that their axial positions overlap each other, and rotate by relative rotation between the main body cylinder 2 and the operation cylinder 3. It is possible to engage with each other in the direction. Further, the operation cylinder 3 is provided with an O-ring 102 in the O-ring groove 123, and the outer peripheral surface of the tail plug portion 31 x is brought into contact with the inner peripheral surface of the main body cylinder 2 via the O-ring 102. Yes.

  10 is a rear perspective view of the moving body in the coating material extruding container of FIG. 1, and FIG. 11 is a longitudinal side view of the moving body in the coating material extruding container of FIG. As shown in FIG. 10, the moving body 6 is formed by, for example, POM, and has a shape in which two flat surface portions 61 a and 61 b are provided facing each other on a cylindrical outer periphery. A male screw 8b constituting the screwing portion 8 is provided on the outer surface of the moving body 6 except for the two flat surface portions 61a and 61b. Further, as shown in FIG. 11, an opening 62 having a diameter larger than the inner diameter is provided on the distal end side of the inner peripheral surface of the moving body 6, and the piston 7 is arranged on the inner peripheral surface of the opening 62. An annular convex recess 63 is provided for engaging in the direction. On the other hand, on the rear end side of the inner peripheral surface of the moving body 6, the protrusions 6 c that radially protrude and extend in the axial direction are provided at positions that are equally spaced in the circumferential direction. Is provided.

  As shown in FIG. 2, such a moving body 6 is inserted between the shaft body 31 y of the operation cylinder 3 and the screw cylinder 5, and the male screw 8 b is screwed with the female screw 8 a of the screw cylinder 5. The protrusion 6c enters between the protrusions 39, 39 of the shaft body 31y and engages in the rotation direction, so that the operation cylinder 3 is mounted so as to be able to rotate synchronously and move in the axial direction.

  As shown in FIG. 2, the piston 7 is formed of, for example, LDPE (low density polyethylene) and has a bottomed cylindrical shape that opens to the rear side. An annular concavo-convex portion 72 that engages the moving body 6 in the axial direction is provided on the outer peripheral surface of the concave portion 71 that is provided in the rear surface of the bottom portion 7 x of the piston 7.

  Such a piston 7 is inserted into the filling member 1 so as to be in close contact with the inner peripheral surface of the filling member 1. At the same time, the concave portion 71 is extrapolated to the moving body 6, and the annular concave and convex portion 72 is engaged with the annular convex concave portion 63 of the moving body 6 in the axial direction. It is engaged and mounted, and is integrated with the moving body 6. The moving body 6 and the piston 7 can be integrally formed.

  As described above, in the coating material extruding container 100 described above, the coating material M is loaded in close contact with or close to the inner peripheral surface of the filling member 1 and the piston 7, and the piston 7 is advanced to be applied from the opening 1 a of the filling member 1. When the material M is pushed out, first, the cap C is removed from the cap mounting portion 24 by the user, the cap C is extrapolated to the rear end portion of the tail plug portion 31x of the operation tube 3, and the convex portions C1 to C4 are formed. The cap C is attached to the operation cylinder 3 so as to be rotatable in synchronization with the groove 37.

  Then, when the main body cylinder 2 and the cap C are relatively rotated in one direction which is the feeding direction, and the main body cylinder 2 and the operation cylinder 3 are relatively rotated in one direction, the screw cylinder 5 and the operation cylinder 3 are relatively rotated. Then, the screwing action of the screwing portion 8 constituted by the female screw 8a of the screw cylinder 5 and the male screw 8b of the moving body 6 works, and the protrusion 39 of the shaft body 31y and the protrusion of the moving body 6 in the operation cylinder 3 work. The movable body 6 moves forward in cooperation with the rotation preventing portion constituted by 6c. As a result, the piston 7 moves forward and the coating material M appears from the opening 1a.

  Further, when the main body cylinder 2 and the operation cylinder 3 are relatively rotated in one direction as described above, the distal end portion 52x of the ratchet arm 52 abuts in the rotational direction on the distal end surface 34a of the ratchet tooth 34 in the radial direction, and the distal end The portion 52x slides so as to run up the inclined surface 34b, the ratchet arm 52 is compressed in the axial direction, and the tip portion 52x is pressed to the rear side in the axial direction by the elastic force of the ratchet arm 52 due to the compression. And it repeats that the front-end | tip part 52x gets over the ratchet tooth | gear 34, and a click feeling arises at this time. That is, the engagement and disengagement (engagement and disengagement) of the tip 52x of the ratchet arm 52 and the ratchet teeth 34 are repeated, and a click feeling is given to the user each time such engagement and disengagement is performed. . Here, a click feeling is generated eight times per one rotation of the relative rotation, and the forward movement of the piston 7 and the moving body 6 is detected.

  On the other hand, when the main body cylinder 2 and the cap C are relatively rotated in the other direction, and the main body cylinder 2 and the operation cylinder 3 are relatively rotated in the other direction, the ratchet arm 52 is radially outwardly exposed on the side surface 34c of the ratchet teeth 34. The tip 52x is brought into contact with and locked in the rotational direction. As a result, relative rotation in the other direction between the screw cylinder 5 provided with the ratchet arm 52 and the operation cylinder 3 is restricted (relative rotation is impossible), and as a result, the main body cylinder 2 on which the screw cylinder 5 is mounted integrally. Relative rotation in the other direction with respect to the operation cylinder 3 is restricted.

  Here, when the main body cylinder 2 and the operation cylinder 3 are relatively rotated in the other direction in the relative rotation restricting state, a tangential pressing load corresponding to the torque of the relative rotation is caused by the side surface 34c of the ratchet teeth 34. A load is applied to the tip 52x of the arm 52. Therefore, it is found that the ratchet arm 52 is displaced so that the tip end 52x side is expanded.

  12 and 13 are diagrams showing analysis results when a pressing load is applied by the three-dimensional CAE simulation software, and a front view for explaining the displacement of the tip of the ratchet arm in the coating material extruding container of FIG. FIG. In each figure, (a) shows a state where the tip 52x of the ratchet arm 52 is located at the normal position (initial position), and (b) shows a state where the tip 52x is located at the displacement position.

  As shown in FIGS. 12 and 13, when the main body cylinder 2 and the operation cylinder 3 are relatively rotated in the other direction in the relative rotation restricting state and a pressing load is applied to the distal end portion 52 x, The tip 52x is displaced so as to shift to the rear side in the axial direction (opposite to the arm compression direction) and is displaced so as to be shifted radially outward, so that the tip 52x side is expanded. I understand that.

  In this respect, in the coating material extruding container of the present embodiment, as described above, the convex portion 36 is provided on the side surface 34c of the ratchet tooth 34 of the operation cylinder 3, and the tip end portion of the ratchet arm 52 in the relative rotation restricted state. The convex portion 36 is close to the axial direction with respect to 52x. Therefore, even if the relative rotation is further controlled in the other direction in the relative rotation restriction state, the front end 52x is brought into contact with the front surface 36a of the convex portion 36, and the front end 52x is prevented from being displaced rearward in the axial direction beyond the front surface 36a. (Blocked)

  In addition, in the present embodiment, the inner peripheral surface 38 of the tail plug portion 31x of the operation tube 3 is close to the outer side in the radial direction with respect to the distal end portion 52x in the relative rotation restricted state. Therefore, even if the relative rotation is further controlled in the other direction in the relative rotation restricting state, the distal end portion 52x is brought into contact with the inner peripheral surface 38, and the distal end portion 52x is prevented from being displaced radially outward beyond the inner peripheral surface 38 ( Blocked).

  Therefore, according to the present embodiment, in the relative rotation restriction state, even when the main body cylinder 2 and the operation cylinder 3 are further relatively rotated in the other direction, the distal end portion 52x of the ratchet arm 52 is displaced so as to expand. Can be prevented. As a result, it is possible to prevent stress from concentrating on the base end portion 52y (see FIG. 5) side of the ratchet arm 52, and to prevent the ratchet arm from being broken with the base end portion 52y side as the breakage starting point. It becomes.

  In the present embodiment, as described above, the screw cylinder 5 integrated with the main body cylinder 2 is provided, and the internal cylinder 5y of the screw cylinder 5 is provided with the female screw 8a of the screwing portion 8, A ratchet arm 52 is provided at the connecting portion 5 p of the screw cylinder 5. The ratchet teeth 34 are provided on the tail plug portion 31 x of the operation cylinder 3. Therefore, in order to exert the above-described effects, the female screw 8a and the ratchet arm 52 can be integrally formed as the screw cylinder 5, and efficient molding and cost reduction can be realized.

  In the present embodiment, as described above, the through hole 22 extending in the axial direction is provided in the main body cylinder 2, and the convex portion 12 of the transparent filling member 1 is engaged with the through hole 22. Therefore, the inside of the filling member 1 becomes visible from the outside through the through hole 22. That is, the through-hole 22 functions as a window part through which the state of the coating material M can be confirmed. Therefore, the remaining amount of the coating material M in the filling member 1 can be easily grasped through the through hole 22. In addition, when the through-hole 22 extends in the axial direction in this way, the coating material M is pushed out in the axial direction and used, and decreases in the axial direction. Therefore, the effect of grasping the remaining amount is remarkable. is there.

  In the present embodiment, as described above, the cap C is not only attached to and detached from the main body cylinder 2 (cap attaching part 24) by the convex parts C1 to C4, but also in the groove 37 at the rear end of the operation cylinder 3. Removably fitted. In the state where the cap C is fitted in the operation cylinder 3, when the main body cylinder 2 and the operation cylinder 3 are rotated relative to each other, the main body cylinder 2 and the cap C may be rotated relative to each other. It will be substantially enlarged. Therefore, in this embodiment, it is possible to facilitate such relative rotation.

  In addition, the charging material 1 is charged into the filling member 1 by filling the molten coating material M from the front end side of the filling member 1 or filling the coating material M from the rear end side of the filling member 1. 1 can be assembled. Further, when the coating material M is a rod-shaped article formed by a mold or extrusion molding, the coating material M can be loaded after assembly.

  In the above, the 1st wall part as a control part is comprised by the convex part 36 provided in the side surface 34c of the ratchet tooth 34, and the 2nd wall as a control part is formed by the internal peripheral surface 38 of the tail plug part 31x of the operation cylinder 3. The part is composed.

  The preferred embodiment of the present invention has been described above, but the present invention is not limited to the above embodiment. For example, although the said embodiment was provided with the convex part 36 which comprises a 1st wall part, and the internal peripheral surface 38 which comprises a 2nd wall part, you may provide only at least one of these.

  Moreover, in the said embodiment, although the 1st wall part was comprised by the convex part 36 provided in the side surface 34c of the ratchet tooth 34, it is not limited to this, A 1st wall part is an axis line with respect to the front-end | tip part of a ratchet arm. Any device that can regulate the axial displacement of the tip portion close to the direction may be used. Similarly, the second wall portion is configured by the inner peripheral surface 38 of the tail plug portion 31x of the operation cylinder 3. However, the second wall portion is not limited to this, and the second wall portion is close to the distal end portion of the ratchet arm in the radial direction. As long as the displacement of the tip portion in the radial direction can be regulated.

  Further, the male screw and the female screw described above are not only a screw thread or a screw groove, but also a thread group or a screw groove such as an intermittently arranged protrusion group or a spiral and intermittently disposed protrusion group. It may be one that performs a similar function.

  Further, as the coating material M, 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, For coating material extrusion containers using liquid coating materials such as massage oil, ink for liquids such as square plug loosening liquid, foundation, concealer, skin cream, marking pens, writing instruments, etc. However, it is of course applicable.

DESCRIPTION OF SYMBOLS 1 ... Filling member (container front part), 2 ... Main body cylinder (container front part), 3 ... Operation cylinder (container rear part), 5 ... Screw cylinder, 6 ... Moving body, 8 ... Screwing part, 8b ... Female screw, 34 ... ratchet teeth, 36 ... convex part (first wall part, restricting part), 38 ... inner peripheral surface (second wall part, restricting part), 52 ... ratchet arm, 52x ... tip part, 100 ... coating material extrusion container 101 ... Ratchet mechanism.

Claims (4)

A container extrusion container having a moving body and a screwing portion in a container, wherein the screwing action of the screwing portion is actuated by relative rotation in one direction between the container front and the container rear, and the moving body moves forward. ,
A ratchet arm that spirally extends around the axis, and ratchet teeth that protrude in the axial direction, so that relative rotation of the container front portion and the container rear portion in the other direction opposite to the one direction is restricted. A ratchet mechanism for locking the tip of the ratchet arm and the ratchet teeth in the circumferential direction;
A coating material extruding container comprising: a regulating portion that regulates displacement of the tip portion when the tip portion of the ratchet arm and the ratchet teeth are locked in the circumferential direction.   The restricting portion is arranged such that when the tip end portion of the ratchet arm and the ratchet teeth are engaged with each other in the circumferential direction, the tip portion of the ratchet arm is close to the tip portion of the ratchet arm in the axial direction and is displaced in the axial direction. The coating material extruding container according to claim 1, further comprising a first wall portion that regulates the pressure.   The restricting portion is arranged such that when the tip end portion of the ratchet arm and the ratchet teeth are engaged with each other in the circumferential direction, the tip portion of the ratchet arm is radially adjacent to the tip end portion of the ratchet arm. The coating material extruding container according to claim 1, further comprising a second wall portion that regulates the pressure. A screw cylinder that includes a female screw that constitutes one of the screwing portions and the ratchet arm, and that can rotate in synchronization with the container front portion and engage in an axial direction;
The coating material extruding container according to any one of claims 1 to 3, further comprising an operation cylinder including the ratchet teeth and constituting the rear portion of the container.

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