JP2020055537A - Double container - Google Patents

Abstract

To provide a double container improved in operability in exchanging an inner container.SOLUTION: A double container 1A has an inner container 10 housing a content therein and a bottomed cylindrical outer container 2 housing the inner container. A movable member 40 is provided between a bottom wall 30 of the outer container and the inner container. The bottom wall 30 is provided with a lower side first magnet 33A. The movable member 40 is provided with an upper side first magnet. The movable member and the bottom wall are arranged relatively rotatably around a container axis O between a taking-out position where the same poles of the lower side first magnet and the upper side first magnet face to each other in the vertical direction, and a non-taking out position where the same poles of the lower side first magnet and the upper side first magnet separate from each other around the container axis.SELECTED DRAWING: Figure 1

Description

  The invention relates to a double container.

  BACKGROUND ART Conventionally, a double container as shown in Patent Document 1 below has been known. The double container includes an inner container (refill container) for storing the contents therein and a bottomed cylindrical outer container for storing the inner container, and the inner container is configured to be replaceable. Further, it is disclosed that when the inner container is replaced, the inner container is removed from the outer container using the inner container cap.

JP 2016-210433 A

  When the inner container is removed using the inner container cap as in the configuration of Patent Document 1, for example, the inner container cap is stored or the inner container cap attached to the new inner container is removed. Therefore, there is room for improvement in operability when replacing the inner container, for example, it is necessary to attach the inner container to the inner container to be replaced.

  The present invention has been made in view of such circumstances, and has as its object to provide a double container having improved operability when replacing an inner container.

  In order to solve the above-mentioned problems, a double container according to a first aspect of the present invention includes a bottomed cylindrical inner container that stores therein a content, and a bottomed cylindrical outer container that stores the inner container. A double container including a container, wherein a movable member that can move upward with respect to the bottom wall portion is provided between a bottom wall portion of the outer container and the inner container, and the bottom wall portion includes Is provided with a lower first magnet, the movable member is provided with an upper first magnet, and the movable member and the bottom wall portion have the same polarity of the lower first magnet and the upper first magnet. A take-out position facing in the vertical direction and a non-take-out position in which the same poles of the lower first magnet and the upper first magnet are separated from each other around the container axis are relatively rotatable around the container axis. It is arranged.

According to the first aspect, when the movable member and the bottom wall portion are relatively rotated and positioned at the take-out position, a repulsive force acts between the lower first magnet and the upper first magnet, so that the movable member is movable. The member rises with respect to the bottom wall of the outer container. Further, since the movable member is provided between the bottom wall of the outer container and the inner container, the inner container also floats together with the movable member. Therefore, operability when replacing the inner container can be improved.
In addition, when the movable member is located at the non-removing position after replacing the inner container, the repulsive force is weakened, and the movable member moves downward to return. Therefore, when the contents of the inner container are used, sudden rise of the inner container is suppressed.

  Here, the movable member is provided with an upper second magnet that attracts the lower first magnet when facing the lower first magnet in the up-down direction, and the upper first magnet and the upper second magnet. The magnet and the magnet may be arranged at intervals around the container axis.

  In this case, when the movable member is located at a position where the upper second magnet and the lower first magnet oppose each other in the vertical direction in the non-takeout position, the movable member is attracted between the lower first magnet and the upper second magnet. Force acts. Due to this suction force, the position of the movable member relative to the bottom wall is stabilized. Therefore, for example, it is possible to suppress the movable member from unexpectedly moving upward and the movable member and the bottom wall from relatively rotating around the container axis.

  Further, the bottom wall portion is provided with a lower second magnet that attracts the upper first magnet when facing the upper first magnet in the up-down direction, and the lower first magnet and the lower first magnet. The two magnets may be arranged at intervals around the container axis.

  In this case, if the movable member is located at a position where the upper first magnet and the lower second magnet oppose each other in the vertical direction in the non-takeout position, the movable member is attracted between the upper first magnet and the lower second magnet. Force acts. Due to this suction force, the position of the movable member relative to the bottom wall is stabilized. Therefore, for example, it is possible to suppress the movable member from unexpectedly moving upward and the movable member and the bottom wall from relatively rotating around the container axis.

  Further, the bottom wall may be provided so as to be rotatable around a container axis with respect to a peripheral wall of the outer container, and rotation of the movable member about the container axis with respect to the peripheral wall may be restricted.

  In this case, since rotation of the movable member about the container axis with respect to the peripheral wall of the outer container is restricted, the movable member rotates relative to the bottom wall together with the peripheral wall. Therefore, the user can easily move the movable member to the take-out position by relatively rotating the peripheral wall portion and the bottom wall portion, so that the operability when replacing the inner container can be further improved.

  Also, the bottom wall and the peripheral wall of the outer container are formed integrally, and an inner cylindrical member is provided between the inner container and the peripheral wall, the rotation of which is restricted around the container axis with respect to the movable member. A part of the inner cylinder member may be located outside the outer container.

  In this case, since the rotation of the inner cylinder member about the container axis with respect to the movable member is restricted, the movable member rotates relative to the bottom wall together with the inner cylinder member. Therefore, the user operates the portion of the inner cylinder member that is located outside the outer container to rotate the inner cylinder member and the movable member relative to the outer container, so that the movable member can be easily taken out. It can be moved. Further, since the peripheral wall portion and the bottom wall portion of the outer container are formed integrally, the appearance of the outer container can be improved.

  Further, a magnetic member may be provided on a bottom wall of the inner container.

  In this case, the position of the inner container is stabilized by the attraction force acting between the upper first magnet of the movable member and the magnetic member. Therefore, for example, it is possible to suppress the inner container from unexpectedly moving upward.

  According to the above aspect of the present invention, it is possible to provide a double container with improved operability when replacing the inner container.

It is a longitudinal section of a double container concerning a 1st embodiment. (A) is a semi-longitudinal sectional view of the peripheral wall part of FIG. (B) is a bottom view of (a). (A) is a top view of the movable member of FIG. (B) is a sectional view taken along the line III-III in (a). (A) is a top view of the bottom wall part of FIG. (B) is a sectional view taken along the line IV-IV in (a). (C) is an enlarged view of a portion C in (a). FIG. 2 is a longitudinal sectional view showing a state where the movable member of FIG. 1 is located at a removal position. It is a longitudinal section of a double container concerning a 2nd embodiment. FIG. 7 is a half vertical sectional view of the inner container of FIG. 6. FIG. 7A is a semi-longitudinal sectional view of the peripheral wall portion of FIG. 6. (B) is a bottom view of (a). It is a longitudinal section of a double container concerning a 3rd embodiment. It is a longitudinal section of a double container concerning a 4th embodiment.

(1st Embodiment)
Hereinafter, the double container of the first embodiment will be described with reference to the drawings.
As shown in FIG. 1, the double container 1 </ b> A includes a bottomed cylindrical inner container 10 for storing contents therein, and a bottomed cylindrical outer container 2 for storing the inner container 10. The double container 1A can be used as a jar container in which contents such as cream are stored in the inner container 10. The inner container 10 can be used as a refill container, and the inner container 10 can be replaced with a new one as needed.

(Direction definition)
In the present embodiment, the central axes of the inner container 10 and the outer container 2 are arranged on a common axis. Hereinafter, this common axis is referred to as a container axis O, and a direction along the container axis O is referred to as a vertical direction. Further, the bottom wall 30 side of the outer container 2 along the vertical direction is referred to as a lower side, and the opening side of the outer container 2 is referred to as an upper side. In a plan view as viewed from above and below, a direction intersecting the container axis O is referred to as a radial direction, and a direction of orbit around the container axis O is referred to as a circumferential direction.

  The inner container 10 is formed in a cylindrical shape with a bottom, and has a peripheral wall 11, a bottom wall 12, and a flange portion 13. The peripheral wall 11 is formed in a cylindrical shape coaxial with the container axis O. The bottom wall 12 closes the lower end of the peripheral wall 11. The flange portion 13 protrudes radially outward from the upper end of the peripheral wall 11, and is formed in an annular shape in plan view. On the outer peripheral edge of the flange portion 13, a holding cylinder portion 13a extending downward is formed. On the lower surface of the bottom wall 12, a concave portion 12a that is depressed upward is formed. The concave portion 12a is formed in a circular shape coaxial with the container axis O. The magnetic member 14 having a circular shape in a plan view is fitted in the concave portion 12a. The magnetic member 14 is formed of a magnetic material such as iron, for example. It should be noted that the term “magnetism” in the present specification refers to a property that generates an attractive force between the magnet and the magnet.

(Outer container)
In the outer container 2 of the present embodiment, the peripheral wall portion 20 and the bottom wall portion 30 are formed separately. The bottom wall portion 30 is provided rotatable around the container axis O with respect to the peripheral wall portion 20. A radial gap is provided between the inner peripheral surface of the peripheral wall portion 20 and the outer peripheral surface of the peripheral wall 11 of the inner container 10. Even if the above gap is provided, the position of the inner container 10 in the radial direction with respect to the outer container 2 is stabilized by the holding cylindrical portion 13a covering the upper end opening of the outer container 2 from the outside in the radial direction. Further, since the radial gap between the inner container 10 and the outer container 2 is covered by the flange portion 13 and the holding tubular portion 13a, it is possible to suppress the contents from entering the gap.

  The peripheral wall part 20 has a middle cylinder part 21, a mouth part 22, and a lower cylinder part 23. The middle cylinder part 21, the mouth part 22, and the lower cylinder part 23 are formed in a cylindrical shape coaxial with the container axis O. The mouth 22 extends upward from the middle cylinder 21. The inner diameters of the mouth portion 22 and the middle cylinder portion 21 are equal, and the inner peripheral surfaces of the mouth portion 22 and the middle cylinder portion 21 are continuous with each other without a step. The outer diameter of the mouth portion 22 is smaller than the outer diameter of the middle cylinder portion 21, and a connecting portion between the mouth portion 22 and the middle cylinder portion 21 is formed with a step facing upward. A male screw portion is formed on the outer peripheral surface of the mouth portion 22. The upper end opening of the inner container 10 is closed by screwing a not-shown topped cylindrical lid member into the mouth portion 22.

  The lower cylinder part 23 extends downward from the middle cylinder part 21. The inner diameters of the lower cylinder part 23 and the middle cylinder part 21 are the same, and the inner peripheral surfaces of the lower cylinder part 23 and the middle cylinder part 21 are connected to each other without any step. The outer diameter of the lower cylinder part 23 is smaller than the outer diameter of the middle cylinder part 21, and a step facing downward is formed at the connection between the lower cylinder part 23 and the middle cylinder part 21. At the lower end of the lower cylindrical portion 23, a protruding portion 24 protruding outward in the radial direction is formed. As shown in FIGS. 2A and 2B, the protruding portion 24 extends over the entire circumference of the lower cylindrical portion 23, and is formed in an annular shape when viewed from below. On the outer peripheral surface of the protruding portion 24, a locking recess 24a that is depressed inward in the radial direction is formed. The plurality of (four in the present embodiment) locking recesses 24a are arranged at equal intervals in the circumferential direction.

  As shown in FIGS. 2A and 2B, on the inner peripheral surface of the peripheral wall portion 20, a regulating concave portion 25 that is depressed inward in the radial direction is formed. A plurality (four in the present embodiment) of the regulating recesses 25 are formed at equal intervals in the circumferential direction. The restriction recess 25 extends vertically from the lower end of the peripheral wall 20 to the center in the vertical direction. The restriction recess 25 is formed in a substantially rectangular shape when viewed from below.

  As shown in FIG. 1, the bottom wall portion 30 has a bottom plate portion 31 and a fitting tubular portion 32. The bottom plate portion 31 is formed in a disk shape coaxial with the container axis O, and closes a lower end opening of the peripheral wall portion 20. On the upper surface of the bottom plate portion 31, a lower concave portion 31a that is depressed downward is formed. As shown in FIGS. 4A and 4B, a plurality of (four in the present embodiment) lower recesses 31a are formed at equal intervals in the circumferential direction. The lower concave portion 31a is formed in a circular shape in plan view.

  A lower first magnet 33A or a lower second magnet 33B is fitted in each lower recess 31a. The magnets 33A and 33B are formed in a column shape extending in the up-down direction. The magnetic field generated by the magnets 33A and 33B is oriented substantially vertically. However, the pole positions of the lower first magnet 33A and the lower second magnet 33B are opposite. For example, when the upper surface of the lower first magnet 33A is an N pole, the upper surface of the lower second magnet 33B is an S pole. In the present embodiment, the two lower first magnets 33A are arranged so as to sandwich the container axis O therebetween. Further, two lower second magnets 33B are arranged so as to sandwich the container axis O therebetween. In a plan view, a straight line connecting the centers of the two lower first magnets 33A is substantially orthogonal to a straight line connecting the centers of the two lower second magnets 33B.

  The fitting tubular portion 32 extends upward from the outer peripheral edge of the bottom plate portion 31. As shown in FIG. 1, the outer diameter of the fitting cylinder 32 is equal to the outer diameter of the middle cylinder 21 in the peripheral wall 20. The upper end surface of the fitting tube portion 32 is in contact with or close to the lower end surface of the middle tube portion 21 (the step of the connecting portion between the middle tube portion 21 and the lower tube portion 23). As shown in FIGS. 4A and 4B, a circumferential groove 32 a that is depressed inward in the radial direction is formed on the inner circumferential surface of the fitting tubular portion 32. The circumferential groove 32 a is formed at the lower end of the fitting tube 32, and extends in the circumferential direction over the entire circumference of the inner peripheral surface of the fitting tube 32. At least a part of the protruding portion 24 of the peripheral wall portion 20 is located inside the peripheral groove 32a (see FIG. 1). As a result, the projecting portion 24 is fitted in the bottom wall portion 30 undercut, and downward movement of the bottom wall portion 30 with respect to the peripheral wall portion 20 is restricted.

  In addition, as shown in FIG. 4C, a locking projection 32 b is formed on the fitting cylinder 32. The locking projection 32b protrudes radially inward from an inner surface of the circumferential groove 32a that faces radially inward. A plurality (four in the present embodiment) of locking projections 32b are formed at equal intervals in the circumferential direction. The locking projection 32b is formed in a curved shape convex toward the inside in the radial direction.

(Movable member)
As shown in FIG. 1, a movable member 40 is provided inside the outer container 2. The movable member 40 is located between the bottom wall portion 30 of the outer container 2 and the bottom wall 12 of the inner container 10 in the vertical direction. The movable member 40 is provided movably upward with respect to the bottom wall 30.

  As shown in FIGS. 3A and 3B, the movable member 40 has a main body 41 and a regulating protrusion 42. The main body 41 is formed in a disk shape coaxial with the container axis O. The restricting projection 42 protrudes radially outward from the outer peripheral surface of the main body 41. The regulating protrusion 42 is formed in a substantially rectangular shape in plan view. A plurality (four in the present embodiment) of regulating protrusions 42 are formed at equal intervals in the circumferential direction. On the upper surface of the main body 41, an upper concave portion 41a that is depressed downward is formed. A plurality (four in this embodiment) of upper concave portions 41a are formed at equal intervals in the circumferential direction.

  An upper first magnet 43A or an upper second magnet 43B is fitted in each upper recess 41a. The magnets 43A and 43B are formed in a column shape extending in the up-down direction. The magnetic field generated by the magnets 43A and 43B is oriented substantially vertically. However, the pole positions of the upper first magnet 43A and the upper second magnet 43B are opposite. For example, when the upper surface of the upper first magnet 43A is an S pole, the upper surface of the upper second magnet 43B is an N pole. In the present embodiment, two upper first magnets 43A are arranged so as to sandwich the container axis O therebetween. The two upper second magnets 43B are arranged so as to sandwich the container axis O therebetween. In a plan view, a straight line connecting the centers of the two upper first magnets 43A is substantially orthogonal to a straight line connecting the centers of the two upper second magnets 43B.

  As shown in FIG. 1, the outer diameter of the main body 41 is smaller than the inner diameter of the peripheral wall 20. The regulating protrusion 42 is located inside the regulating recess 25 of the peripheral wall 20. Thus, the rotational movement of the movable member 40 around the container axis O with respect to the peripheral wall portion 20 is restricted. Further, the regulating protrusion 42 is slidable up and down with respect to the regulating recess 25. Thereby, the movable member 40 can move upward within a range until the regulating protrusion 42 comes into contact with the upper end surface of the regulating recess 25.

(magnet)
As the magnets 33A, 33B, 43A, 43B, permanent magnets such as neodymium magnets can be used. The radial distances of the magnets 33A, 33B, 43A, 43B from the container axis O are equal to each other. Therefore, when the movable member 40 and the bottom wall 30 are relatively rotated about the container axis O, the lower magnets 33A, 33B and the upper magnets 43A, 43B move away from or approach each other. When the upper first magnet 43A and the lower first magnet 33A face each other in the vertical direction, a repulsive force is generated between these magnets 33A and 43A. Similarly, when the upper second magnet 43B and the lower second magnet 33B face each other in the vertical direction, a repulsive force is generated between the magnets 33B and 43B. On the other hand, when the upper first magnet 43A and the lower second magnet 33B face each other in the vertical direction, these magnets 43A and 33B attract each other. Similarly, when the upper second magnet 43B and the lower first magnet 33A face each other in the vertical direction, these magnets 43B and 33A attract each other.

  Here, in the present embodiment, the positions of the upper first magnet 43A and the lower first magnet 33A in the circumferential direction coincide with each other, and these magnets 33A, 43A are located below the upper concave portion 41a of the movable member 40 (hereinafter, referred to as the lower portion). , A thin portion), the relative position of the bottom wall portion 30 and the movable member 40 when facing each other in the up-down direction is referred to as a “take-out position”. Further, the positions of the upper first magnet 43A and the lower first magnet 33A in the circumferential direction do not match, and the relative positions of the bottom wall portion 30 and the movable member 40 when these magnets 33A and 43A are separated in the circumferential direction. The position is called a “non-removal position”.

  Next, the operation of the double container 1A configured as described above will be described.

  As shown in FIG. 1, when the magnets 43B and 33A face each other in the vertical direction, the movable member 40 is attracted to the bottom wall 30 by the attraction force between the magnets 43B and 33A. Further, in this state, the magnets 43A and 33B are also opposed in the vertical direction, and the movable member 40 is drawn to the bottom wall 30 by the attraction force between the magnets 43A and 33B. The inner container 10 is drawn to the movable member 40 by the attraction force that the magnets 43A and 43B of the movable member 40 act on the magnetic member 14 of the inner container 10. That is, the inner container 10 is drawn to the bottom wall 30 of the outer container 2 by the magnetic force. Thereby, when scooping up the contents of the inner container 10 with a finger or the like, the inner container 10 is prevented from moving unexpectedly. Therefore, the double container 1A of the present embodiment can be suitably used even when the viscosity of the contents is relatively high. In addition, the inner container 10 is attracted to the bottom wall portion 30, so that, for example, the inner container 10 can be prevented from unexpectedly moving upward.

  In the state shown in FIG. 1, the positions of the locking projections 32 b of the bottom wall 30 (see FIG. 4C) and the locking recesses 24 a of the peripheral wall 20 in the circumferential direction match. A part of the locking projection 32b is located in the locking recess 24a. Thereby, the position of the bottom wall 30 around the container axis O with respect to the peripheral wall 20 is stabilized. In addition, as described above, the position of the bottom wall 30 around the container axis O with respect to the peripheral wall 20 is also stabilized by the attraction between the magnets 43B and 33A and between the magnets 43A and 33B.

  When replacing the inner container 10 such as when the contents of the inner container 10 are used up, the bottom wall 30 is rotated around the container axis O with respect to the peripheral wall 20. Here, the rotational movement about the container axis O with respect to the peripheral wall 20 of the movable member 40 is restricted by the restricting convex portion 42 and the restricting concave portion 25. Therefore, the peripheral wall 20 and the movable member 40 are integrally rotated relative to the bottom wall 30 around the container axis O. When the movable member 40 rotates by a predetermined amount (90 ° in the present embodiment) with respect to the bottom wall portion 30, the upper first magnet 43A and the lower first magnet 33A reach a removal position where they are vertically opposed to each other.

  At this time, as shown in FIG. 5, the lower first magnet 33A and the upper first magnet 43A repel, so that an upward magnetic force (repulsive force) acts on the movable member 40. Similarly, the lower second magnet 33 </ b> B and the upper second magnet 43 </ b> B also exert an upward repulsive force on the movable member 40. Due to this repulsive force, the movable member 40 rises with respect to the bottom wall 30. Since the movable member 40 is located below the inner container 10, the inner container 10 also floats together with the movable member 40. Therefore, the user can easily remove the inner container 10. The upward repulsive force generated by each of the magnets 33A, 33B, 43A, 43B is set to such an extent that the inner container 10 can be lifted when the remaining amount of the contents is reduced (or lost). Good.

  When the bottom wall 30 is rotated around the container axis O with respect to the peripheral wall 20 from the state shown in FIG. 1, the locking projection 32b is separated from the locking recess 24a in the circumferential direction. Then, when the movable member 40 is moved to the removal position, the locking protrusion 32b enters the locking recess 24a adjacent to the locking recess 24a locked before the movement, so that a click feeling is generated. This click feeling makes it possible for the user to more reliably recognize that the movable member 40 has reached the removal position.

  Next, the inner container 10 is removed from the state shown in FIG. 5, and the peripheral wall portion 20 is rotated around the container axis O with respect to the bottom wall portion 30. Thereby, the peripheral wall part 20 and the movable member 40 rotate integrally with respect to the bottom wall part 30. When the lower first magnet 33A and the upper first magnet 43A reach a non-take-out position where they do not face each other in the vertical direction, the repulsive force decreases, and the movable member 40 moves downward. Therefore, it is possible to easily set a new inner container 10 filled with contents.

  The operation method for setting a new inner container 10 can be changed as appropriate. For example, a new inner container 10 may be set in a state where the movable member 40 and the inner container 10 are floated by the repulsive force of the magnets 33A, 33B, 43A, 43B. At this time, the inner container 10 and the movable member 40 are moved downward against the repulsive force of the magnets 33A, 33B, 43A, 43B by the weight of the inner container 10 filled with the contents, and then the peripheral wall portion 20 is moved. You may make it rotate with respect to the bottom wall part 30. Alternatively, after the inner container 10 and the movable member 40 are moved downward by the user pushing the inner container 10 downward, the peripheral wall portion 20 may be rotated with respect to the bottom wall portion 30.

As described above, according to the double container 1A of the present embodiment, the movable member 40 and the bottom wall portion 30 have the same polarity of the lower first magnet 33A and the upper first magnet 43A in the vertical direction. The take-out position and a non-take-out position in which the same poles of the lower first magnet 33A and the upper first magnet 43A are separated from each other around the container axis O are disposed so as to be relatively rotatable around the container axis. . By positioning the movable member 40 and the bottom wall portion 30 at the take-out position, the inner container 10 floats due to the repulsive force of the magnets 33A, 33B, 43A, 43B, so that the inner container 10 can be easily replaced. .
In addition, when the movable member 40 and the bottom wall 30 are located at the non-removed position after the inner container 10 is replaced, the repulsion force is weakened, and the movable member 40 moves downward to return. Therefore, when the contents of the inner container 10 are used, the inner container 10 is prevented from suddenly floating.

  Further, rotation of the movable member 40 around the container axis O with respect to the peripheral wall portion 20 is restricted. Therefore, the movable member 40 also rotates relative to the bottom wall 30 together with the peripheral wall 20. Further, the bottom wall portion 30 is provided rotatably around the container axis O with respect to the peripheral wall portion 20. With this configuration, the user can easily move the movable member 40 to the take-out position by relatively rotating the peripheral wall portion 20 and the bottom wall portion 30, thereby improving the operability when replacing the inner container 10. Can be improved.

  Further, when the movable member 40 is located at a position where the upper second magnet 43B and the lower first magnet 33A or the upper first magnet 43A and the lower second magnet 33B are opposed to each other in the non-takeout position in the vertical direction. Thus, an attractive force acts between the opposing magnets. Due to this suction force, the relative position of the movable member 40 to the bottom wall 30 is stabilized. Therefore, for example, it is possible to prevent the movable member 40 from unexpectedly rotating around the container axis O and moving to the removal position.

  A radial gap is provided between the peripheral wall 11 of the inner container 10 and the peripheral wall 20 of the outer container 2. Thereby, the friction between the inner container 10 and the outer container 2 is suppressed to be small. Therefore, the inner container 10 can be more reliably moved upward with respect to the outer container 2 by the repulsive force of the magnets 33A, 33B, 43A, 43B. Further, since the magnetic member 14 is provided on the bottom wall 12 of the inner container 10, the magnetic member 14 and the magnets 43A and 43B of the movable member 40 attract each other. Accordingly, even if a radial gap is provided between the inner container 10 and the outer container 2, it is possible to suppress the inner container 10 from unexpectedly moving upward when, for example, scooping the contents.

(2nd Embodiment)
Next, a second embodiment according to the present invention will be described, but the basic configuration is the same as that of the first embodiment. For this reason, the same components are denoted by the same reference numerals, and the description thereof will be omitted. Only different points will be described.
In the present embodiment, the shapes of the inner container 10 and the peripheral wall 20 are different from those of the first embodiment.

  As shown in FIG. 6, in the double container 1B of the present embodiment, no magnetic member is provided on the bottom wall 12 of the inner container 10. On the other hand, an inner rib 11a is formed on the peripheral wall 11 of the inner container 10 so as to protrude radially outward and extend vertically. As shown in FIG. 7, a plurality of inner ribs 11a are formed at intervals in the circumferential direction.

  As shown in FIGS. 8A and 8B, an outer rib 22 a that protrudes radially inward and extends in the up-down direction is formed on the inner peripheral surface of the peripheral wall portion 20. The plurality of outer ribs 22a are formed at intervals in the circumferential direction.

  According to this embodiment, the radial gap between the inner container 10 and the outer container 2 is reduced by the inner rib 11a and the outer rib 22a. Therefore, the position of the inner container 10 with respect to the outer container 2 can be stabilized without providing a magnetic member on the bottom wall 12 of the inner container 10.

(Third embodiment)
Next, a third embodiment according to the present invention will be described, but the basic configuration is the same as that of the first embodiment. For this reason, the same components are denoted by the same reference numerals, and the description thereof will be omitted. Only different points will be described.
In the present embodiment, the shapes of the inner container 10 and the movable member 40 are different from those of the first embodiment.

  As shown in FIG. 9, in the double container 1 </ b> C of the present embodiment, no magnetic member is provided on the bottom wall 12 of the inner container 10. On the other hand, on the bottom wall 12, an upper locking portion 15 protruding downward is formed. The upper locking portion 15 is formed in a cylindrical shape coaxial with the container axis O. An upper locking projection 15a is formed at the lower end of the upper locking portion 15 to protrude radially inward.

  Further, the movable member 40 is provided with a lower locking portion 44 protruding upward from the main body portion 41. The lower locking portion 44 is formed in a column shape coaxial with the container axis O. At the upper end of the lower locking portion 44, a lower locking projection 44a protruding outward in the radial direction is formed. The lower locking portion 44 is located inside the upper locking portion 15. The lower locking projection 44a is undercut fitted to the upper locking projection 15a.

  According to the present embodiment, the position of the inner container 10 with respect to the movable member 40 can be stabilized by locking the upper locking portion 15 and the lower locking portion 44.

(Fourth embodiment)
Next, a fourth embodiment according to the present invention will be described, but the basic configuration is the same as that of the first embodiment. For this reason, the same components are denoted by the same reference numerals, and the description thereof will be omitted. Only different points will be described.
In the present embodiment, the shapes of the inner container 10 and the outer container 2 are different from those of the first embodiment. As shown in FIG. 10, an inner cylindrical member 50 is provided between the outer container 2 and the inner container 10.

As shown in FIG. 10, in the double container 1D of the present embodiment, the peripheral wall portion 20 and the bottom wall portion 30 of the outer container 2 are formed integrally.
The inner cylinder member 50 has an inner cylinder part 51, an inner flange part 52, and an inner locking cylinder 53. The inner cylinder portion 51 is formed in a cylindrical shape coaxial with the container axis O, and is located between the peripheral wall 11 of the inner container 10 and the peripheral wall portion 20 of the outer container 2. At the lower end of the inner cylindrical portion 51, a cutout portion 51a that is depressed upward is formed. The plurality of cutouts 51a (four in this embodiment) are formed at intervals in the circumferential direction. The restricting projection 42 of the movable member 40 is located inside the notch 51a. Thereby, the rotational movement of the inner cylinder member 50 about the container axis O with respect to the movable member 40 is restricted. Further, the movable member 40 can be raised with respect to the inner cylindrical member 50 until the regulating convex portion 42 comes into contact with the upper end surface of the cutout portion 51a.

  The inner flange portion 52 extends radially outward from the upper end of the inner cylindrical portion 51, and is formed in an annular shape in plan view. When the capped cylindrical lid member 60 is attached to the outer container 2, the inner flange 52 is sandwiched between the lid member 60 and the mouth 22 together with the flange 13 of the inner container 10. The inner locking cylinder 53 extends downward from the outer peripheral edge of the inner flange portion 52. At the lower end of the inner locking cylinder 53, a fitting portion is formed which protrudes radially inward and fits undercut with the mouth 22 of the outer container 2. Thus, upward movement of the inner cylinder member 50 with respect to the outer container 2 is restricted. Further, the inner cylinder member 50 is provided so as to be rotatable around the container axis O with respect to the outer container 2.

  Thus, in the double container 1D of the present embodiment, the bottom wall portion 30 and the peripheral wall portion 20 of the outer container 2 are formed integrally. An inner cylinder member 50 is provided between the inner container 10 and the peripheral wall portion 20, the rotation of which about the container axis O with respect to the movable member 40 is restricted, and a part of the inner cylinder member 50 (the inner locking cylinder 53). ) Are located outside the outer container 2. With this configuration, the user operates the inner locking cylinder 53 to relatively rotate the inner cylinder member 50 and the movable member 40 with respect to the outer container 2 and easily move the movable member 40 to the removal position. It becomes possible. Furthermore, since the peripheral wall portion 20 and the bottom wall portion 30 of the outer container 2 are formed integrally, the appearance of the outer container 2 can be improved.

  The technical scope of the present invention is not limited to the above embodiment, and various changes can be made without departing from the spirit of the present invention.

  For example, in the first embodiment, the movable member 40 is provided with the upper second magnet 43B, and the bottom wall 30 is provided with the lower second magnet 33B. However, one or both of these magnets 33B and 43B may not be provided.

Further, the mode of the magnet for applying a repulsive force to the movable member 40 can be changed. For example, the movable member 40 is provided with an upper bar-shaped magnet (upper first magnet) extending in the radial direction so as to straddle the container axis O in plan view, and the diameter of the bottom wall 30 is set so as to straddle the container axis O in plan view. A lower bar-shaped magnet (lower first magnet) extending in the direction may be provided. Then, one end in the radial direction of the upper bar-shaped magnet and the lower bar-shaped magnet may be an S-pole, and the other end may be an N-pole. In this case, when the movable member 40 and the bottom wall portion 30 are relatively rotated, the S poles and the N poles (same poles) of the upper and lower bar-shaped magnets are located at the take-out position where they are vertically opposed. When a repulsive force acts between the lower bar-shaped magnet and the upper bar-shaped magnet, the movable member 40 rises with respect to the bottom wall 30. Therefore, the workability when replacing the inner container 10 can be improved by the same operation as the first to fourth embodiments.
After the inner container 10 is replaced, the movable member 40 and the bottom wall portion 30 are relatively rotated about the container axis O so that the same poles of the lower and upper rod magnets are separated from each other about the container axis O. When the movable member 40 is positioned at the non-removed position, the repulsive force is weakened, and the movable member 40 is restored downward. Therefore, when the contents of the inner container 10 are used, it is possible to prevent the inner container 10 from unexpectedly floating.

  Further, other than the bar-shaped magnet, for example, a U-shaped magnet may be employed. Also in this case, the movable member 40 and the bottom wall portion 30 are positioned at the same position of the lower first magnet and the upper first magnet in the vertical direction and the same position of the lower first magnet and the upper first magnet. The same operation and effect can be obtained by arranging the poles relatively rotatable around the container axis between a non-takeout position where the poles are separated from each other around the container axis.

  In addition, the components in the above-described embodiments can be appropriately replaced with known components without departing from the spirit of the present invention, and the above-described embodiments and modified examples may be appropriately combined.

  1A to 1D: Double container 10 ... Inner container 12 ... Bottom wall 14 ... Magnetic member 20 ... Peripheral wall 30 ... Bottom wall 33A ... Lower first magnet 33B ... Lower second magnet 40 ... Movable member 43A ... Upper first 1 magnet 43B: upper second magnet 50: inner cylinder member

Claims (6)

A double container having a bottomed cylindrical inner container for housing the contents therein, and a bottomed cylindrical outer container for housing the inner container,
A movable member that can move upward with respect to the bottom wall is provided between the bottom wall of the outer container and the inner container,
A lower first magnet is provided on the bottom wall portion,
The movable member is provided with an upper first magnet,
The movable member and the bottom wall portion are provided at a take-out position where the same poles of the lower first magnet and the upper first magnet face each other in the vertical direction, and at the same position of the lower first magnet and the upper first magnet. A double container, which is disposed so as to be relatively rotatable around the container axis between a non-takeout position in which the poles are separated from each other around the container axis. The movable member is provided with an upper second magnet that attracts the lower first magnet when facing the lower first magnet in a vertical direction,
The double container according to claim 1, wherein the upper first magnet and the upper second magnet are arranged at intervals around a container axis. The bottom wall portion is provided with a lower second magnet that attracts the upper first magnet when facing the upper first magnet in a vertical direction,
3. The double container according to claim 1, wherein the lower first magnet and the lower second magnet are arranged at intervals around a container axis. 4. The bottom wall portion is provided rotatably around a container axis with respect to a peripheral wall portion of the outer container,
The double container according to any one of claims 1 to 3, wherein rotation of the movable member about the container axis with respect to the peripheral wall portion is restricted. The bottom wall and the peripheral wall of the outer container are integrally formed,
An inner cylinder member is provided between the inner container and the peripheral wall portion, the rotation of which is restricted around the container axis with respect to the movable member,
The double container according to any one of claims 1 to 3, wherein a part of the inner cylinder member is located outside the outer container.   The double container according to any one of claims 1 to 5, wherein a magnetic member is provided on a bottom wall of the inner container.

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