JP2007326617A - Engagement structure of container and cap - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an engagement structure of a container and a cap capable of easily and surely removing the cap when it is rotated and removed. <P>SOLUTION: The engagement structure is constituted of an engaging body and the cap slidably fitting over the engaging body. It is characterized by: (1) that the engaging body keeps its outer peripheral wall equipped with a plurality of covered engaging parts over which engaging protrusions of the cap rotate/slide and a groove engaging with engaging protruding parts of the cap so that it can engage and disengage in conjunction with the engagement over the covered engaging parts; and (2) that the cap has the plurality of engaging protrusions provided dispersively along the circumference and the plurality of engaging protruding parts dispersively provided between the engaging protrusions not to overlap them in the axial direction. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an engagement structure between a container and a cap, and more particularly to an engagement structure between a container and a cap that can be reliably and easily removed when the cap is rotated and removed.

Conventionally, there are various engagement structures for the container and cap. For example,
As shown in FIGS. 12-14, there exists a thing of the structure shown in patent document 1. FIG. As shown in FIG. 12 (b), an engagement body 51 is mounted above the container 50. The engagement body 51 includes a plurality of ride-up engagement portions 52 and an entire circumferential direction above it. A groove 53 is formed around the periphery. On the other hand, on the inner side of the cap 54 shown in FIG. 12A, a plurality of engaging protrusions 55 distributed in the circumferential direction, and the engaging protrusions above the engaging protrusions 55 and around the entire circumferential direction. 56 is formed. When the cap 54 is engaged with the engagement body 51 of the container 50, the engagement protrusion 56 of the cap 54 and the groove 53 of the engagement body 51 are engaged, and the cap 54 is engaged with the engagement body of the container 50. When removed from 51, the engagement protrusion 56 of the cap 54 and the groove 53 of the engagement body 51 are disengaged. That is, when the cap 54 is rotated in the circumferential direction, the engaging protrusion 55 of the cap 54 rides on the riding portion 52 of the engaging body 51. At this time, the engagement protrusion 56 is forcibly released from the groove 53 of the engagement body 51, and the cap is removed from the container.
The
Japanese Utility Model Publication No. 47-22906

However, in such a container-cap engagement structure, when removing the cap 54 from the engagement body 51, as shown in FIG. 13, the outside of the cap 54 is pressed with a finger (in the direction of the arrow in FIG. 13). ), The engagement protrusion 56 is forcibly disengaged from the groove 53 of the engagement body 51 by rotating in the circumferential direction and causing the engagement protrusion 55 to ride on the ride-up portion 52. In this case, when the cap 54 is rotated, the cap 54 is deformed so that the skirt of the cap 54 spreads outward, so that the engagement protrusion 55 of the cap 54 moves outward from the ride-up portion 52 of the engagement body 51 as shown in FIG. However, there is a drawback that the engagement is disengaged. In this case, since the engagement between the engagement protrusion 56 and the groove 53 cannot be released smoothly, the cap 54 cannot be removed from the container.
The present invention has been made paying attention to such a problem, and an object of the present invention is to provide a container-cap engagement structure that can be reliably and easily removed when the cap is rotated and removed.

  In order to solve this problem, the solution means of the invention described in claim 1 is composed of an engaging body and a cap that is slidably fitted to the engaging body. A plurality of climbing engagement parts that the engagement projections of the caps rotate and slide up, and a groove part that is detachably engaged with the engagement projections of the cap in conjunction with the climbing on the climbing engagement part (2) The cap has a plurality of engaging projections distributed in the circumferential direction and a plurality of caps distributed between the engaging projections so as not to overlap the engaging projection in the axial direction. A container-cap engagement structure characterized by having an engagement protrusion. Since the plurality of engaging protrusions of the cap and the plurality of engaging protrusions provided in a distributed manner between the engaging protrusions are shifted from each other so as not to overlap in the axial direction, In the vicinity of the raised engagement portion, the outer shape of the cap is deformed to be reduced in the radial direction. Therefore, the engaging protrusion does not come off from the riding-up portion, so that it surely rides on the top of the riding-up portion. Therefore, the engagement release between the engagement protrusion and the groove is ensured.

  According to a second aspect of the present invention, there is provided a container-cap engagement mechanism in which an engagement protrusion and a groove are formed in the engagement body in place of the groove of the engagement body and the engagement protrusion of the cap. It is a composite structure. Even if the engagement protrusion and the groove are provided reversely between the engagement body and the cap, the same action and effect are exhibited.

  According to a third aspect of the present invention, there is provided a container-cap engagement structure in which the climbing engagement portion of the engagement body is formed downward and the groove portion is formed upward.

  According to a fourth aspect of the present invention, there is provided a container-cap engagement structure in which the climbing engagement portion of the engagement body is formed upward and the groove portion is formed downward. Even if the ride-up engaging portion and the groove are configured upside down, the same action and effect are exhibited.

  According to a fifth aspect of the present invention, there is provided a container-cap engagement structure, wherein the engagement body is constituted by an inner plug body that is screwed or fitted into a mouth portion of the container. In addition, the engaging body and the container may be formed by integral molding.

  According to a sixth aspect of the present invention, there is provided a container-cap engagement structure wherein the container is one selected from a tube container, a bottle container, and an aerosol container. The present invention can be applied to various containers such as a tube container, a bottle container, and an aerosol container.

  According to the present invention, when the cap is rotated and removed, the engaging protrusion of the cap surely rides on the rising engaging portion of the engaging body, so that the engaging protrusion of the cap can be easily detached from the groove portion. .

  Embodiments of the present invention will be described below with reference to the drawings.

  1 to 5 are drawings showing Embodiment 1 of the present invention. 1 is a tube container. An engagement body 3 is screwed into the mouth portion 2 of the tube container 1. As shown in FIG. 3, the engagement body 3 has riding engagement portions 4 formed at four locations along the circumference of the outer peripheral wall. A groove portion 5 is formed over the entire circumference of the outer peripheral wall above the riding engagement portion 4. On the other hand, on the inner peripheral wall of the cap 6 that is detachably engaged with the engaging body 3, engagement protrusions 7 are formed at four locations along the inner peripheral wall. Between the engagement protrusions 7, four engagement protrusions 8 are formed. That is, the feature of the present invention is that, as shown in FIG. 5, when the cap 6 is viewed from directly above in the axial direction, the engagement protrusion 7 formed on the inner peripheral wall of the cap 6 and the engagement protrusion 8 are It is in the point formed in the position shifted | deviated by the fixed distance (alpha), without overlapping in an axial direction. More preferably, the engaging protrusion 8 is formed at a substantially intermediate position between the engaging protrusions 7 of the cap 6.

  FIG. 4A is a drawing showing a state in which the cap 6 is engaged with the groove 5 of the engaging body 3 and the opening 2 of the tube container 1 is closed by the cap 6. At this time, the engagement protrusion 7 does not ride on the ride-up engagement portion 4. FIG. 4B is a view showing a state in which the cap 6 is disengaged from the groove 5 of the engaging body 3. At this time, the engaging protrusion 7 rides on the riding engagement portion 4. That is, the engagement between the groove 5 and the engagement protrusion 8 is released in conjunction with the engagement protrusion 7 riding on the ride-on engagement portion 4. That is, since the present invention is formed so as not to be weighted in the axial direction but shifted, the outer shape of the cap 6 is deformed to be reduced in the radial direction in the vicinity of the ride-on engagement portion 4 when the cap 6 is removed. (Refer to the reduced size S in FIG. 7) Therefore, the engagement protrusion 7 does not disengage from the ride-up portion 4 to the outside, and reliably rides on the top of the ride-up portion 4. Therefore, the engagement release between the engagement protrusion 8 and the groove 5 is ensured. In the first embodiment, the engaging body is screwed into the tube container, but the engaging body may be formed integrally with the container main body at the upper end of the container (not shown).

  FIG. 6 is a drawing showing Example 2 of the present invention. The feature of the second embodiment is that three engaging projections 17 are formed along the inner peripheral wall of the inner peripheral wall of the cap 16 that is detachably engaged with the engaging body. Engagement protrusions 18 are formed at substantially intermediate positions between the engagement protrusions 17, and the engagement protrusions 18 are provided at three locations along the inner peripheral wall. Note that an engagement body (not shown) with which the cap 16 is engaged is formed with three riding engagement portions corresponding to the cap 16. Other configurations are the same as those of the first embodiment. Needless to say, the number of engagement protrusions and engagement protrusions of the cap can be arbitrarily formed in addition to the three and four in the first and second embodiments.

  FIG. 8 is a drawing showing Example 3 of the present invention. A feature of the third embodiment is an embodiment in which the present invention is applied to the bottle container 21. Other than that, the engagement structure between the container and the cap is the same as that of the first embodiment.

  FIG. 9 is a drawing showing Example 4 of the present invention. A feature of the fourth embodiment is an embodiment in which the present invention is applied to the aerosol container 31. The other structure of the container and the cap is the same as that of the first embodiment.

  FIG. 10 is a drawing showing Example 5 of the present invention. The feature of the fifth embodiment is that the groove of the engaging body 23 and the engaging protrusion of the cap 26 are provided in reverse, and the engaging protrusion 23 is formed on the engaging body 23 and the groove 25 is formed on the cap 26. . Even if the engagement protrusion and the groove are provided in reverse, the same action and effect are exhibited. In addition, the configuration of the engagement protrusion 27 and the like is the same as that of the first embodiment.

  FIG. 11 is a drawing showing Example 6 of the present invention. The feature of the sixth embodiment is the container-cap engagement structure characterized in that the ride-on engagement portion 34 of the engagement body 33 is formed on the upper side and the groove portion 35 is formed on the lower side. It exhibits action and effect. Other configurations of the engagement protrusion 37, the cap 36, the engagement protrusion 38, and the like are the same as those in the first embodiment.

  As an application example of the present invention, not only can it be applied to all containers, but especially by applying to containers used by children, elderly people, etc., the cap can be rotated and removed reliably and easily. It can be widely used as a container-cap engagement structure considering barrier-free.

Sectional drawing which shows the tube container of Example 1 which concerns on this invention. Sectional drawing which shows the cap of Example 1 which concerns on this invention. The front view which shows the engaging body of the tube container of Example 1 which concerns on this invention. The expanded sectional view which shows the engagement relation of the cap of Example 1 which concerns on this invention, and an engaging body (a) and (b). The top view which shows the positional relationship of the engaging protrusion of the cap of Example 1 which concerns on this invention, and an engaging protrusion. The top view which shows the positional relationship of the engagement protrusion of the cap of Example 2 which concerns on this invention, and an engagement protrusion. The top view which showed the state which the cap which concerns on this invention deform | transforms at the time of opening. Sectional drawing which shows Example 3 at the time of applying this invention to a bottle. Sectional drawing which shows Example 4 at the time of applying this invention to an aerosol container. The expanded sectional view which shows the engagement relation of the engaging body of Example 5 which concerns on this invention, and a cap. The expanded sectional view which shows the engagement relation of the engaging body of Example 6 which concerns on this invention, and a cap. The perspective view (a) and front view (b) which show the conventional cap and engagement body. The top view which shows a deformation | transformation of a cap, when removing the conventional cap. The enlarged drawing which shows the engagement relationship of the conventional cap and an engaging body.

Explanation of symbols

3 Engagement body 6 16 26 36 Cap 7 17 27 37 Engagement protrusion 4 24 34 Lifting engagement part 8 18 28 38 Engagement protrusion 5 25 35 Groove part 1 Tube container 21 Bottle container 31 Aerosol container

Claims (6)

An engaging body and a cap that is slidably fitted to the engaging body,
(1) The engaging body is coupled to a plurality of climbing engagement portions that the engagement projection of the cap rotates and slides on the outer peripheral wall, and in conjunction with the riding on the climbing engagement portion, It has a groove portion that is detachably engaged with the engagement protrusion of the cap,
(2) The cap has a plurality of engagement projections distributed in the circumferential direction and a plurality of engagements distributed between the engagement projections so as not to overlap the engagement projection in the axial direction. An engagement structure of a container and a cap, characterized by having a protrusion. 2. The container / cap engagement structure according to claim 1, wherein an engagement protrusion and a groove are formed in the engagement body instead of the engagement protrusion and the engagement protrusion of the cap. 3. The container / cap engagement structure according to claim 1, wherein the engagement engagement portion of the engagement body is formed downward and the groove portion is formed upward. 3. The container / cap engagement structure according to claim 1, wherein the engagement engagement portion of the engagement body is formed upward and the groove portion is formed downward. The container-cap engagement structure according to claim 1, wherein the engagement body is configured by an inner plug body that is screwed or fitted into a mouth portion of the container. The container-cap engagement structure according to claim 1, wherein the container is one selected from a tube container, a bottle container, and an aerosol container.

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