JP2016141434A - Replacement type discharge container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a discharge container which saves time and effort of replacement work by reducing labor in replacing an inner container, and in which the inner container and a discharger can be fixed to an outer container sufficiently.SOLUTION: A replacement type discharge container comprises: an inner container 1 filled with a content; an outer container 2 for accommodating the inner container 1; and a discharger 7 fitted detachably to a mouth neck part 1a of the inner container 1 and an inlet part 2a of the outer container 2. An outward projection part 1f deformable inward is provided at a bottom part 1d of the inner container 1. The outward projection part 1f of the bottom part 1d of the inner container 1 is pressed and deformed by an inner surface of the bottom part 2c of the outer container 2 by fitting the discharger 7 to the mouth neck part 1a of the inner container 1 and the inlet part 2a of the outer container 2.SELECTED DRAWING: Figure 1

Description

  The present invention includes an inner container filled with contents, an outer container that accommodates the inner container, and a discharger that is detachably attached to the mouth-and-neck portion of the inner container and the inlet portion of the outer container. The present invention relates to a replaceable discharge container.

  The replacement-type discharge container is usually a discharge that is detachably attached to the inner container filled with the contents, the outer container that accommodates the inner container, the mouth-and-neck portion of the inner container, and the inlet portion of the outer container. And when the head of the discharge device is pushed down, the contents such as the liquid in the inner container are sucked up and discharged from the discharge device, and when the contents in the inner container disappear, the outer container The inner container is replaced with a new inner container filled with the contents.

  By the way, as such a conventional exchangeable discharge container, for example, the one disclosed in Patent Document 1 by the applicant of the present application is known. In this replaceable discharge container, the rib piece protruding from the shoulder portion of the inner container inserted into the outer container is fitted in the notch formed in the inlet portion of the outer container, and the inlet of the outer container A holding part that is separated from the main body of the discharger is fitted into the part so that the inner container is held in the outer container, and the discharger is screwed into the mouth and neck of the inner container so that the discharger is In order to replace the inner container, first remove the holding part from the outer container, remove the inner container from the outer container, then remove the dispenser from the mouth and neck of the inner container, and then fill the contents. The dispenser is screwed into the mouth and neck of the new inner container, and then the inner container is inserted into the outer container and the rib pieces of the inner container are aligned and fitted into the cutouts of the outer container. Then, the inner container is held in the outer container by fitting the holding part to the inlet part of the outer container. The output device attached to the outer container takes place in steps of.

Japanese Patent No. 5165454

  However, the above-mentioned conventional replacement-type discharge container requires a lot of labor for replacing the inner container and requires a troublesome operation, and further simplification has been desired. Further, in this type of replaceable discharge container, the inner container and the discharge device are not sufficiently fixed to the outer container, and the rib pieces protruding from the shoulder portion of the inner container are vertically moved in the notch at the inlet portion of the outer container. There was room for improvement because of a rattling noise.

  Therefore, an object of the present invention is to eliminate the above-described problems in the replaceable discharge container.

The replaceable discharge container of the present invention that solves the above problems is
An inner container filled with contents;
An outer container that houses the inner container;
A dispenser that is detachably attached to the mouth and neck of the inner container and the inlet of the outer container;
In a replaceable discharge container comprising:
An outward projecting portion that can be deformed inward is provided at the bottom of the inner container,
By attaching the discharge device to the mouth-neck portion of the inner container and the inlet portion of the outer container, the outward projecting portion of the bottom portion of the inner container is pressed and deformed by the inner surface of the bottom portion of the outer container. It is characterized by.

  In the replaceable discharge container of the present invention, when the contents of the liquid in the inner container are sucked up by the operation of the discharger and discharged from the discharger, and the contents in the inner container disappear, The inner container is replaced with a new inner container filled with the contents. And when changing it, first remove the dispenser from the outer container, take out the inner container from the outer container, then remove it from the mouth and neck of the inner container, and then remove the new inner container filled with the contents. While inserting into the outer container and then pressing and deforming the outward projecting portion of the bottom of the inner container by the inner surface of the bottom of the outer container, the dispenser is attached to the mouth neck of the inner container and the inlet of the outer container. It is performed in the procedure.

  Therefore, according to the replaceable discharge container of the present invention, the labor involved in replacing the inner container is reduced, so that the trouble of replacing can be saved, and the discharge device is connected to the mouth and neck of the inner container and the inlet of the outer container. Since the outward projecting portion of the bottom of the inner container that is deformed when being attached to the part presses the discharge device and the bottom of the outer container with a repulsive force, the inner container and the discharge device are sufficiently fixed to the outer container. be able to.

  In the replaceable discharge container of the present invention, the discharger is attached to the mouth and neck of the inner container by screwing, and at least one of the bottom inner surface of the outer container and the bottom outer surface of the inner container It is preferable to provide an engaging portion that engages the outer container and the inner container with each other to prevent relative rotation between the outer container and the inner container when the inner container is mounted. In this way, when the inner container is inserted into the outer container, the engaging part stops their relative rotation, so the outer container is rotated so that the discharger is screwed into the mouth and neck of the inner container. Can do.

  Furthermore, in the replaceable discharge container according to the present invention, the engaging portion is a flat surface formed so as to abut against and face the inner peripheral surface of the bottom of the outer container and the outer peripheral surface of the bottom of the inner container. Is preferable. If it does in this way, an engaging part can be constituted without using other members.

  Furthermore, in the replaceable discharge container of the present invention, the discharge device is attached to the inlet portion of the outer container by screwing, and the engaging portion includes an inner bottom surface of the outer container and an outer bottom surface of the inner container. The protrusions are preferably formed so as to engage with each other in the relative rotation direction. In this way, when the inner container is inserted into the outer container, the protrusions that engage with each other in the relative rotational direction on the inner bottom surface of the outer container and the outer bottom surface of the inner container block their relative rotation, so that the dispenser rotates. By doing so, the discharger can be attached to the mouth and neck of the inner container by screwing, and the discharger can be attached to the inlet of the outer container by screwing.

  Further, in the replaceable discharge container of the present invention, the engaging portion is formed on at least one of the bottom inner surface of the outer container and the bottom outer surface of the inner container, and is compressed and deformed by being pressed against the other. It is preferable that the elastic element restrains the relative rotation by a frictional force. In this way, the relative rotation between the outer container and the inner container can be restrained with a simple configuration of the engaging portion.

  Furthermore, in the replaceable discharge container of the present invention, it is preferable that the engaging portion is an elastic member provided on at least the inner peripheral surface of the bottom portion of the outer container and surrounding at least the outer peripheral surface of the bottom portion of the inner container. . If it does in this way, an engaging part can be constituted simply.

  On the other hand, in the replaceable discharge container of the present invention, it is preferable that the engaging portion is at least one protruding elastic member provided on the outer bottom surface of the bottom portion of the inner container. Even if it does in this way, an engaging part can be constituted simply.

(A) is the side view which shows the whole structure of one Example of the replacement | exchange type discharge container of this invention as a cross section in the right half part centering on a centerline, (b) is in (a) It is sectional drawing which follows the AA line, (c) is the state before mounting | wearing with the outer container of the exchange-type discharge container of the Example, a right half part on the boundary of a center line is omitted for a cap. It is a side view shown as a cross section. (A) is the side view which shows the whole structure of other one Example of the exchangeable discharge container of this invention as a cross section in the right half part centering on a centerline, (b) is the Example It is a side view which shows the state before mounting of the outer container of the replacement-type discharge container of FIG. 5 as a cross-section of the right half portion with the center line as a boundary, omitting the cap, and (c) is B in (b) It is sectional drawing which follows the -B line. (A) is the side view which shows the whole structure of further another Example of the exchangeable discharge container of this invention as a cross section in the right half part centering on a centerline, (b) is the implementation It is sectional drawing of the right half part centering on the center line which shows the outer container of the exchange-type discharge container of an example, (c) is the state before mounting | wearing with the outer container of the exchange-type discharge container of the Example FIG. 5 is a side view showing a cross section of the right half section with the center line as a boundary while omitting the cap. (A) is the side view which shows the whole structure of further another Example of the exchangeable discharge container of this invention as a cross section in the right half part centering on a centerline, (b) is the implementation FIG. 6 is a side view showing the inner container of the replaceable discharge container of the example with the right half part partially cut away from the center line, (c) is a bottom view of the inner container, and (d) is FIG. 5 is a side view of the state before the outer container of the replaceable discharge container of the embodiment is mounted, with the cap omitted and the right half section with the center line as a boundary.

  DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described in detail below with reference to examples based on the drawings. FIG. 1A is a side view showing the overall configuration of an embodiment of the replaceable discharge container according to the present invention, with the right half section taken as a cross-section from the center line, and FIG. Fig. 1 (a) is a cross-sectional view taken along line AA in Fig. 1 (a), and Fig. 1 (c) shows the state of the replaceable discharge container of the embodiment before the mounting of the outer container, with the cap omitted. It is a side view which shows the right half part centering on a centerline as a cross section.

  In FIG. 1, reference numeral 1 denotes an inner container, 2 denotes an outer container, 3 denotes a discharger (pump), 4 denotes a holding portion of the discharger 3, and 5 denotes an overcap. In this embodiment, the inner container 1 has a mouth and neck portion 1a that forms a passage communicating with the filling space M at the top, and a shoulder portion 1b at the lower end of the mouth and neck portion 1a, and an outer peripheral end of the shoulder portion 1b. A barrel portion 1c is formed on the lower side of the barrel 1c. A bottom portion 1d is formed at the lower end of the barrel portion 1c to form a bottomed cylindrical shape. A male screw portion 1e is formed on the outer peripheral surface of the neck portion 1a. Has been. The bottom 1d includes a peripheral wall in the vicinity of the bottom wall in addition to the bottom wall.

  The outer container 2 has an inlet portion 2a and has a barrel portion 2b that extends downward from the lower end of the inlet portion 2a and can accommodate the inner vessel 1 therein. A bottom portion 2c is formed at the lower end of the barrel portion 2b. It is formed and has a bottomed cylindrical shape, and a male screw portion 2d is formed on the outer peripheral surface of the inlet portion 2a. As will be described later, the external thread 2d of the outer container 2 can be screwed into the holding portion 4 simultaneously with the threading of the internal thread 1e of the inner container 1 to the discharger 3, and at that time the inner container 1 The thread pitch is the same as that of the male threaded portion 1e of the inner container 1 so that the annular outward projecting portion 1f that can be deformed to the right is deformable. The bottom portion 2c includes a peripheral wall in the vicinity of the bottom wall in addition to the bottom wall.

  The discharger 3 has a base cap 6, a holding part 4, a discharger body 7, and a nozzle head 8, and the base cap 6 is detachably attached to the mouth / neck part 1 a of the inner container 1. A top plate 6b in which a double cylinder portion 6a connected to each other at the upper end is erected at the center, and a cylinder 6c that hangs down from the outer peripheral end of the top plate 6b and surrounds the mouth-neck portion 1a of the inner container 1; A female thread portion 6d formed inside the cylindrical body 6c and screwed with the male thread portion 1e of the mouth and neck portion 1a of the inner container 1, and a standing annular peripheral wall 6e standing from the peripheral portion of the top plate 6b. Have. A cylindrical cover 6f that covers from the upper end of the standing annular peripheral wall 6e to the lower end of the cylindrical body 6c is fitted and fixed around the cylindrical body 6c, and the inner cylinder of the overcap 5 is provided around the cover 6f. A plurality of protrusions are provided to fit into the recesses on the inner peripheral surface of 5a and hold the overcap 5 at a position covering the nozzle head 8. The base cap 6 may be fitted to the mouth neck 1a of the inner container 1 in an undercut shape instead of being screwed.

  The holding portion 4 includes an outer cylinder 4a and an inner cylinder 4b that form a double cylinder whose upper ends are connected to each other at a flange-like portion integrally connected to the lower end of the cylinder 6c of the base cap 6, and an outer cylinder. It has an internal thread part 4c formed inside the body 4a and screwed into the external thread part 2d of the inlet part 2a of the outer container 2. The discharger main body 7 is suspended and fixed inside the inner container 1 through the mouth-and-neck portion 1a by the double cylindrical portion 6a of the top plate 6b of the base cap 6, and the piston is moved by pushing down and raising the nozzle head 8. It is driven to suck, pressurize and pump the contents in the inner container 1.

  The nozzle head 8 is connected to the operation portion 8a to which the pressing force is directly applied, the inner cylinder body 8b closely fitted to the upper end portion of the hollow stem of the discharger body 7, and the inner cylinder body 8b to be connected to the hollow body. It has a nozzle 8c that discharges the contents fed from the stem to the outside, and an outer cylinder 8d that is covered by the operation portion 8a and surrounds the inner cylinder 8b, and when the nozzle head 8 is pushed down The outer cylindrical body 8d is housed in the annular recess inside the standing annular peripheral wall 6e of the base cap 6 together with the cylindrical portion of the operation portion 8a.

  Furthermore, in this embodiment, an annular outward projecting portion 1f that can be deformed inward is provided in the peripheral portion of the bottom portion 1d of the inner container 1, and in a state before the outward projecting portion 1f is deformed, FIG. As shown in FIG. 5, the internal thread 1d of the inner cap 1 is threaded with the female thread 6d of the cylindrical body 6c of the base cap 6, and the external thread 2 is threaded with the male thread 2d. The height of the inner container 1 with respect to the depth of the outer container 2 is set so that the internal thread 4c of the outer cylindrical body 4a of the holding part 4 is sequentially started and performed in parallel. The neck 1 a of the container 1 protrudes from the inlet 2 a of the outer container 2.

  Further, in this embodiment, the outer container 2 and the inner container 1 are engaged with each other so that the outer container 2 and the inner container 1 are prevented from rotating relative to each other when the inner container 1 is mounted. On the inner peripheral surface as the inner surface of the bottom portion 2c of the container 2, four vertical wall-shaped flat surfaces 2e extending 90 degrees from each other and extending in the vertical direction are formed, and as the outer surface of the bottom portion 1d of the inner container 1 Also on the outer peripheral surface, four flat surfaces 1g are formed that extend vertically by 90 ° to each other and abut against the four flat surfaces 2e of the outer container 2 so as to face each other.

  When discharging the contents in the filling space M of the inner container 1 of the replaceable discharge container of this embodiment, an operation of applying a pressing force to the nozzle head 8 with a fingertip or the like to push down the nozzle head 8 is performed. Then, the discharger body 7 is driven, and the contents previously sucked into the discharger body 7 from the filling space M of the inner container 1 are discharged to the outside from the tip hole of the nozzle 8 c of the nozzle head 8.

  After that, when the pressing force of the nozzle head 8 is released and the nozzle head 8 is raised by the elastic restoring force of the internal spring, the contents in the inner container 1 are discharged via the suction pipe 15 during the rise. It is sucked into the main body 7 and the contents are discharged by the next depression of the nozzle head 8.

  Thus, when the contents in the filling space M of the inner container 1 are discharged and the contents in the filling space M of the inner container 1 are exhausted, the inner container 1 in the outer container 2 is filled with the contents. It is replaced with a new inner container 1.

  In the replacement-type discharge container of this embodiment, first, the holder 4 of the discharger 3 is removed from the outer container 2, the inner container 1 is taken out from the outer container 2, and then the inner container is used. The base cap 6 of the dispenser 3 is removed from the 1 neck portion 1a, and then a new inner container 1 filled with the contents is inserted into the outer container 2, and then the dispenser to the mouth neck portion 1a of the inner container 1 is inserted. The base cap 6 and the holding portion 4 of the discharger 3 to the inlet portion 2a of the outer container 2 are sequentially started, and then the outward projecting portion 1f of the bottom portion 1d of the inner container 1 is moved. The inlet portion 2a of the outer container 2 is parallel to the case where the base cap 6 of the discharge device 3 is screwed into the mouth-neck portion 1a of the inner container 1 while being pressed and deformed by the inner surface of the bottom portion 2c of the outer container 2. The holding unit 4 of the discharger 3 is screwed and attached. In addition, since play is provided in each part, “simultaneous” here is “substantially simultaneous” and does not have to be “strictly simultaneous”. Further, the screwing of the base cap 6 of the discharger 3 to the mouth / neck part 1a of the inner container 1 and the screwing of the holding part 4 of the discharger 3 to the inlet part 2a of the outer container 2 may be started simultaneously.

  Therefore, according to the replaceable discharge container of this embodiment, the number of steps for replacing the inner container 1 is reduced as compared with the prior art, so that it is possible to save the trouble of replacement, and to the mouth-and-neck portion 1a of the inner container 1 The outwardly projecting portion 1f of the bottom 1d of the inner container 1 that is deformed when the discharger 3 is attached to the inlet 2a of the outer container 2 at the same time that the discharger 3 is attached is the holding member 4 and the bottom 2c of the outer container 2. Is pressed by the repulsive force, so that the inner container 1 and the discharger 3 can be sufficiently fixed to the outer container 2. Note that the outwardly projecting portion 1f of the bottom 1d of the inner container 1 that has been deformed does not normally return even when the inner container 1 is taken out from the outer container 2, but may be configured to return to its original state.

  Furthermore, according to the replaceable discharge container of this embodiment, the base cap 6 of the discharger 3 can be adjusted by setting the height of the inner container 1 relative to the depth of the outer container 2 as shown in FIG. The internal thread portion 6d of the cylindrical body 6c is screwed into the external thread portion 1e of the mouth and neck portion 1a of the inner container 1, and the internal thread portion 4c of the outer cylindrical body 4a of the holding portion 4 is connected to the inlet portion 2a of the outer container 2. The threaded engagement with the male threaded portion 2d is performed sequentially or simultaneously and in parallel. At this time, the flat surface 2e of the outer container 2 and the flat surface 1g of the inner container 1 come into contact with each other and are Since the relative rotation of the inner container 1 with respect to the container 2 is restrained, the inner container 1 and the outer container 2 do not rotate (is prevented from rotating), so that the base cap 6 of the discharger 3 and the holding part 4 integral therewith are connected to the outer container. 2, the discharger 3 is screwed into the neck 1 a of the inner container 1 and attached. The dispenser 3 and the mounting is screwed to the inlet portion 2a of the outer container 2 can be carried out simultaneously in one operation, it is possible to save a large effort Tsukegae with.

  Furthermore, according to the replaceable discharge container of this embodiment, the outer container 2 and the inner container 1 are engaged with each other so that the relative rotation between the outer container 2 and the inner container 1 when the inner container 1 is mounted is prevented. Since the engaging part to be restrained is constituted by the flat surfaces 2e and 1g formed on the outer container 2 and the inner container 1, the engaging part can be constituted without using other members.

  FIG. 2A is a side view showing the overall configuration of another embodiment of the replaceable discharge container of the present invention, with the right half section taken as a cross-section from the center line, and FIG. FIG. 2 (c) is a side view showing the state of the replaceable discharge container of the embodiment before mounting the outer container, with the cap omitted and the right half section with the center line as a cross section. It is sectional drawing which follows the BB line in FIG.2 (b).

  The replaceable discharge container of the second embodiment is configured such that the outer container 2 and the inner container 1 are engaged with each other to prevent relative rotation between the outer container 2 and the inner container 1 when the inner container 1 is mounted. Instead of the flat surfaces 2e and 1g formed in the outer container 2 and the inner container 1 in the previous first embodiment, the engaging portion to be protruded upward on the inner bottom surface of the bottom 2c of the outer container 2 A pair of projecting portions (vertical ribs) 2f and projecting portions projecting downward on the outer bottom surface of the bottom portion 1d of the inner container 1 (arranged annularly with a gap of 90 °) 1h Only in this point, the second embodiment is different from the previous embodiment, and the other points are the same as those in the first embodiment. Therefore, only the difference will be mainly described below. In the figure, the same parts as those in the first embodiment are denoted by the same reference numerals.

  In this embodiment, an annular outwardly projecting portion 1f that can be deformed inwardly of the inner container 1 is arranged closer to the center of the bottom 1d of the inner container 1 than in the previous embodiment. The protrusion 1h of the bottom 1d is provided on an inwardly inclined side wall of the outward projecting portion 1f that is pressed and deformed by the inner surface of the bottom 2c of the outer container 2.

  In the replaceable discharge container of this embodiment, the contents in the filling space M of the inner container 1 can be discharged by the operation of the nozzle head 8 of the discharge device 3, as in the previous embodiment. As a result, when the contents in the filling space M of the inner container 1 are exhausted, the inner container 1 in the outer container 2 is replaced with a new inner container 1 filled with the contents. In the replacement-type discharge container of this embodiment, first, the holder 4 of the discharger 3 is removed from the inlet 2a of the outer container 2, and the inner container 1 is taken out from the outer container 2. Next, the base cap 6 of the discharger 3 is removed from the mouth-and-neck portion 1a of the inner container 1, and then a new inner container 1 filled with the contents is inserted into the outer container 2, and then the mouth-and-neck portion 1a of the inner container 1 is inserted. After starting the screwing of the base cap 6 of the discharger 3 and the screwing of the holding part 4 of the discharger 3 to the inlet 2a of the outer container 2, the bottom part 1d of the inner container 1 faces outward. While the projecting portion 1 f is pressed and deformed by the inner surface of the bottom 2 c of the outer container 2, the outer container 2 is mounted in parallel with the base cap 6 of the discharger 3 being screwed onto the mouth neck 1 a of the inner container 1. The procedure is such that the holding part 4 of the discharger 3 is screwed into the inlet part 2a and attached. It is. Note that the screwing of the base cap 6 of the discharger 3 to the mouth-and-neck part 1a of the inner container 1 and the screwing of the holding part 4 of the discharger 3 to the inlet part 2a of the outer container 2 may be started simultaneously.

  Therefore, according to the replaceable discharge container of this embodiment, the number of steps for replacing the inner container 1 can be reduced as compared with the prior art, so that it is possible to save the trouble of replacement, and at the bottom of FIG. As shown partially enlarged, the outwardly projecting portion 1f of the bottom 1d of the inner container 1 deformed when the holding portion 4 is fitted to the inlet portion 2a of the outer container 2 is attached to the holding portion 4 and the outer portion. Since the bottom 2c of the container 2 is pressed by a repulsive force, the inner container 1 and the discharger 3 can be sufficiently fixed to the outer container 2.

  Further, according to the replaceable discharge container of this embodiment, the protrusion of the bottom 2c of the outer container 2 is set by the setting of the height of the inner container 1 with respect to the depth of the outer container 2, as shown in FIG. In the state where the portion 2f and the protrusion 1h of the bottom 1d of the inner container 1 are engaged with each other in the relative rotation direction to restrain the relative rotation of the inner container 1 with respect to the outer container 2, the male screw of the neck portion 1a of the inner container 1 Screwing of the female thread portion 6d of the cylindrical body 6c of the base cap 6 of the discharger 3 to the portion 1e, and the outer cylindrical body of the holding portion 4 of the discharger 3 to the female screw portion 2d of the inlet portion 2a of the outer container 2 Since the screwing of the female thread portion 4c of 4a is started in parallel or sequentially or simultaneously, the base cap 6 and the holding portion 4 of the discharger 3 are rotated with respect to the outer container 2 to thereby rotate the inner container. 1 of the neck and neck 1a is screwed into the discharger 3 and the inlet 2a of the outer container 2 is connected to the discharger And the mounting is screwed can be carried out simultaneously in one operation, it is possible to save a large effort Tsukegae to.

  Furthermore, according to the replaceable discharge container of this embodiment, the outer container 2 and the inner container 1 are engaged with each other so that the relative rotation between the outer container 2 and the inner container 1 when the inner container 1 is mounted is prevented. Since the engaging part to be restrained is constituted by the protruding part 2f of the bottom part 2c of the outer container 2 and the protruding part 1h of the bottom part 1d of the inner container 1, the engaging part can be constituted without using other members. .

  FIG. 3A is a side view showing the overall configuration of still another embodiment of the replaceable discharge container of the present invention, with the right half section taken as a cross-section from the center line as a cross-section, FIG. FIG. 3 is a cross-sectional view of the right half section with the center line as a boundary, showing the outer container of the replaceable discharge container of the embodiment, and FIG. 3C is the outside of the replaceable discharge container of the embodiment. It is a side view which shows the state before mounting | wearing of a container as a cross section of the right half part which abbreviate | omitted the cap and makes a centerline a boundary.

  The replaceable discharge container of the third embodiment is configured such that the outer container 2 and the inner container 1 are engaged with each other to prevent relative rotation between the outer container 2 and the inner container 1 when the inner container 1 is mounted. The engaging portions to be formed are the flat surfaces 2e and 1g formed on the outer container 2 and the inner container 1 in the first embodiment, and the protrusions formed on the outer container 2 and the inner container 1 in the second embodiment. It differs from the previous two embodiments only in that it is constituted by a cup-shaped elastic member 16 provided on the inner bottom surface and inner peripheral surface of the bottom 2c of the outer container 2 in place of 2f and 1h. Since the configuration is the same as the previous two embodiments, only the differences will be mainly described below. In the figure, the same parts as those in the previous embodiment are denoted by the same reference numerals.

  In this embodiment, similarly to the first and second embodiments, the female thread portion 6d of the cylindrical body 6c of the base cap 6 is screwed to the male thread portion 1e of the mouth neck portion 1a of the inner container 1. And the external container 2 so that the screwing of the female thread part 4c of the outer cylindrical body 4a of the holding part 4 to the male thread part 2d of the inlet part 2a of the outer container 2 is sequentially started and performed in parallel. The height of the inner container 1 is set with respect to the depth of the inner container 1, but the screw 6 d of the cylindrical body 6 c of the base cap 6 of the discharger 3 is screwed onto the male thread 1 e of the mouth neck 1 a of the inner container 1. After the engagement is started, the outer container 2 is started so that the female thread portion 4c of the outer cylindrical body 4a of the holding portion 4 of the discharger 3 to the male thread portion 2d of the inlet portion 2a of the outer container 2 is started. The height of the inner container 1 may be set with respect to the depth.

  Further, in this embodiment, the outward projecting portion 1f of the bottom portion 1d of the inner container 1 that is pressed and deformed by the inner surface of the bottom portion 2c of the outer container 2 when the discharger 3 is attached to the inlet portion 2a of the outer container 2 is used. Is provided in the peripheral portion of the bottom 1d of the inner container 1 as in the first embodiment, but may be provided closer to the center as in the second embodiment.

  The cup-shaped elastic member 16 surrounds the outer bottom surface of the bottom portion 1d of the inner container 1 inserted into the outer container 2, and when pressed by the outer bottom surface, the bottom wall portion 16a frictionally engages with the outer bottom surface; The inner container 1 has an inner diameter slightly smaller than the outer peripheral surface of the bottom 1d, surrounds the outer peripheral surface, is pressed by the outer peripheral surface of the bottom 1d of the inner container 1 inserted into the outer container 2, and is elastically deformed (expanded diameter). However, the elastic member 16 has a side wall portion 16b that frictionally engages with the outer peripheral surface thereof. The elastic member 16 can be fixed to the inner surface of the bottom portion 2c of the outer container 2 by, for example, insert molding after being separately formed in advance. .

  In the replaceable discharge container of this embodiment, the contents in the filling space M of the inner container 1 can be discharged by the operation of the nozzle head 8 of the discharge device 3 as in the previous two embodiments. When the content in the filling space M of the inner container 1 is eliminated, the inner container 1 in the outer container 2 is replaced with a new inner container 1 filled with the contents. In the replacement-type discharge container of this embodiment, first, the holder 4 of the discharger 3 is removed from the outer container 2, the inner container 1 is taken out from the outer container 2, and then the inner container is used. The base cap 6 of the dispenser 3 is removed from the 1 neck portion 1a, and then a new inner container 1 filled with the contents is inserted into the outer container 2, and then the dispenser to the mouth neck portion 1a of the inner container 1 is inserted. The base cap 6 and the holding portion 4 of the discharger 3 to the inlet 2a of the outer container 2 are sequentially started, and then the outward projecting portion 1f at the bottom of the inner container 1 is While the inner bottom surface of the bottom portion 2c of the container 2 is pressed through the elastic member 16 to be deformed, the base cap 6 of the discharger 3 is screwed and attached to the mouth neck portion 1a of the inner container 1, and at the same time the inlet of the outer container 2 The procedure of screwing and attaching the holding part 4 of the discharger 3 to the part 2a It takes place. Note that the screwing of the base cap 6 of the discharger 3 to the mouth-and-neck part 1a of the inner container 1 and the screwing of the holding part 4 of the discharger 3 to the inlet part 2a of the outer container 2 may be started simultaneously.

  Therefore, according to the replaceable discharge container of this embodiment, the number of steps for replacing the inner container 1 can be reduced compared to the conventional case, so that it is possible to save the trouble of replacement, and at the bottom of FIG. As shown partially enlarged, the outward projecting portion 1f of the bottom 1d of the inner container 1 deformed when the holding portion 4 of the inner container 1 is attached to the inlet portion 2a of the outer container 2 is projected outward. Since the holding part 4 of the inner container 1 and the bottom part 2c of the outer container 2 are pressed by the repulsive force together with the bottom wall part 16a of the elastic member 16 that is pressed together with the part 1f and elastically deformed (compressed), the outer container The inner container 1 and the discharger 3 can be sufficiently fixed with respect to 2.

  Furthermore, according to the replaceable discharge container of this embodiment, as shown in FIG. 3C, the side wall 16b of the elastic member 16 provided on the bottom 2c of the outer container 2 is the outer periphery of the bottom 1d of the inner container 1. In a state where the relative rotation of the inner container 1 with respect to the outer container 2 is restrained by frictional engagement with the surface, the fitting of the cylindrical body 6c of the base cap 6 of the discharger 3 to the male thread 1e of the neck portion 1a of the inner container 1 The screwing of the screw part 6d and the screwing of the female screw part 4c of the outer cylindrical body 4a of the holding part 4 of the discharger 3 to the male screw part 2d of the inlet part 2a of the outer container 2 are started sequentially or simultaneously. Since the discharge device 3 is rotated with respect to the outer container 2, the discharge device 3 is screwed into the neck portion 1 a of the inner container 1 and attached to the inlet portion 2 a of the outer container 2. The screwing device 3 can be screwed in and attached at the same time in one operation, greatly reducing the need for replacement. It is possible.

  Furthermore, according to the replaceable discharge container of this embodiment, the outer container 2 and the inner container 1 are engaged with each other so that the relative rotation between the outer container 2 and the inner container 1 when the inner container 1 is mounted is prevented. Since the engaging part to be restrained is constituted by the cup-like elastic member 16 provided on the bottom part 2c of the outer container 2, the engaging part can be simply constituted.

  FIG. 4A is a side view showing the entire configuration of still another embodiment of the replaceable discharge container according to the present invention, with the right half section taken as a cross-section from the center line as a cross-section, FIG. Fig. 4 is a side view showing the inner container of the replaceable discharge container of the embodiment with a part cut off at the right half with the center line as a boundary, and Fig. 4 (c) is a bottom view of the inner container. FIG. 4 (d) is a side view showing the state before mounting the outer container of the replaceable discharge container of the embodiment, with the cap omitted and the right half section with the center line as a cross section. .

  The replaceable discharge container according to the fourth embodiment is configured such that the outer container 2 and the inner container 1 are engaged with each other to prevent relative rotation between the outer container 2 and the inner container 1 when the inner container 1 is mounted. Instead of the cup-like elastic member 16 provided on the bottom 2c of the outer container 2 in the third embodiment, the engaging elastic member provided on the outer bottom surface of the bottom 1d of the inner container 1 is used. 17 is different from the third embodiment only in that it is configured as 17, and in the other respects, it is configured in the same manner as in the third embodiment, so that only the different points will be mainly described below. In the figure, the same parts as those in the previous embodiment are denoted by the same reference numerals.

  In this embodiment, as in the first and second embodiments, the internal thread portion 6d of the cylindrical body 6c of the base cap 6 is screwed into the external thread portion 1e of the mouth neck portion 1a of the inner container 1, The depth of the outer container 2 is set so that the screwing of the female threaded portion 4c of the outer cylindrical body 4a of the holding portion 4 to the male threaded portion 2d of the inlet portion 2a of the outer container 2 is sequentially started and performed in parallel. The height of the inner container 1 with respect to the height is set, but the internal thread portion 6d of the cylindrical body 6c of the base cap 6 of the discharger 3 is screwed into the male thread portion 1e of the mouth neck portion 1a of the inner container 1. The depth of the outer container 2 is started so that the screwing of the female thread part 4c of the outer cylindrical body 4a of the holding part 4 of the discharger 3 to the male thread part 2d of the inlet part 2a of the outer container 2 is started. The height of the inner container 1 relative to the height may be set.

  Further, in this embodiment, the outward projecting portion 1f of the bottom portion 1d of the inner container 1 that is pressed and deformed by the inner surface of the bottom portion 2c of the outer container 2 when the discharger 3 is attached to the inlet portion 2a of the outer container 2 is used. Is provided in the peripheral portion of the bottom 1d of the inner container 1 as in the first embodiment, but may be provided closer to the center as in the second embodiment.

  The protruding elastic member 17 is an outward projecting portion of the bottom portion 1d of the inner container 1 that is pressed and deformed by the inner surface of the bottom portion 2c of the outer container 2 when the discharge device 3 is attached to the inlet portion 2a of the outer container 2. At least one in 1f, eight in the illustrated example around the center of the inner container 1, are provided at equal intervals, and the bottom 1d of the inner container 1 inserted into the outer container 2 is the inner bottom surface of the bottom 2c of the outer container 2. , Each elastically deformed (compressed) and frictionally engaged with the inner bottom surface. The elastic member 16 can be fixed to the outer bottom surface of the bottom portion 1d of the inner container 1 by, for example, thick printing or two-color molding.

  In the replaceable discharge container of this embodiment, the contents in the filling space M of the inner container 1 are removed by the operation of the nozzle head 8 of the discharge device 3 as in the first to third embodiments. When the contents in the filling space M of the inner container 1 are exhausted, the inner container 1 in the outer container 2 is replaced with a new inner container 1 filled with the contents. In the replacement-type discharge container of this embodiment, first, the holder 4 of the discharger 3 is removed from the outer container 2, the inner container 1 is taken out from the outer container 2, and then the inner container is used. The base cap 6 of the dispenser 3 is removed from the 1 neck portion 1a, and then a new inner container 1 filled with the contents is inserted into the outer container 2, and then the dispenser to the mouth neck portion 1a of the inner container 1 is inserted. The base cap 6 and the holding portion 4 of the discharger 3 to the inlet 2a of the outer container 2 are sequentially started, and then the outward projecting portion 1f at the bottom of the inner container 1 is The base cap 6 of the discharger 3 is screwed and attached to the mouth-neck portion 1a of the inner container 1 while being deformed by being pressed and deformed by the inner bottom surface of the bottom 2c of the container 2 through the elastic member 17. The holding part 4 of the discharger 3 is screwed into the inlet part 2a and attached. It is carried out in the order. Note that the screwing of the base cap 6 of the discharger 3 to the mouth-and-neck part 1a of the inner container 1 and the screwing of the holding part 4 of the discharger 3 to the inlet part 2a of the outer container 2 may be started simultaneously.

  Therefore, according to the replaceable discharge container of this embodiment, the number of steps for replacing the inner container 1 is reduced as compared with the prior art, so that it is possible to save the trouble of replacement, and at the bottom of FIG. As shown partially enlarged, the outward projecting portion 1f of the bottom 1d of the inner container 1 deformed when the holding portion 4 of the inner container 1 is attached to the inlet portion 2a of the outer container 2 is projected outward. The holding part 4 and the bottom part 2c of the outer container 2 are pressed by the repulsive force together with the elastic member 17 that is pressed together with the part 1f and elastically deformed (compressed), so that the inner container 1 and the discharge to the outer container 2 are discharged. The fixation with the vessel 3 can be made sufficient.

  Further, according to the replaceable discharge container of this embodiment, the elastic member 17 provided on the bottom 1d of the inner container 1 is frictionally engaged with the inner bottom surface of the bottom 1c of the outer container 2, and the inner container 1 with respect to the outer container 2 is engaged. In the state where the relative rotation of the inner container 1 is stopped, the threaded portion 6d of the cylindrical body 6c of the base cap 6 of the discharger 3 is screwed into the male threaded portion 1e of the mouth-and-neck portion 1a of the inner container 1, and the inlet portion of the outer container 2 Since the screwing of the female threaded portion 4c of the outer cylindrical body 4a of the holding portion 4 of the discharger 3 to the male threaded portion 2a of 2a is sequentially or simultaneously started, it is performed in parallel. 2, the discharge device 3 is screwed and attached to the neck portion 1 a of the inner container 1, and the discharge device 3 is screwed and attached to the inlet portion 2 a of the outer container 2. It can be carried out at the same time in one operation, and the labor of replacement can be saved greatly.

  Furthermore, according to the replaceable discharge container of this embodiment, the outer container 2 and the inner container 1 are engaged with each other so that the relative rotation between the outer container 2 and the inner container 1 when the inner container 1 is mounted is prevented. Since the engaging part to be restrained is constituted by the protruding elastic member 17, the engaging part can be simply constituted.

  As mentioned above, although demonstrated based on the example of illustration, the exchangeable discharge container of this invention is not limited to the thing of the structure of the Example mentioned above, For example, the structure of a discharge device discharges the content in an inner container. It may be different from the above example as long as it can. In addition, the shape of the engaging portion, the number of engaging portions, and the like can be changed as appropriate according to requirements such as the mounting method of the inner container and the outer container.

  And the mounting method of the inner container and the outer container to the discharger is not limited to the method by screwing, but a method of engaging the inclined undercut portions by rotation, or at least by pressing the inner container or the outer container to the discharger A method of engaging horizontal undercut portions by elastic deformation of one undercut portion may be used. Further, a ring-shaped elastic member may be provided on the outer bottom surface of the bottom of the inner container in place of the protruding elastic member.

  Thus, according to the replaceable discharge container of the present invention, the number of steps for replacing the inner container is reduced, so that the trouble of replacing can be saved, and the deformation is performed when the holding member is attached to the inlet portion of the outer container. Since the outward projecting portion at the bottom of the inner container presses the holding member and the bottom of the outer container with a repulsive force, the inner container and the discharger can be sufficiently fixed to the outer container.

DESCRIPTION OF SYMBOLS 1 Inner container 1a Mouth neck part 1b Shoulder part 1c Body part 1d Bottom part 1e Male thread part 1f Outward protrusion part 1g Flat surface 1h Protrusion part 2 Outer container 2a Inlet part 2b Body part 2c Bottom part 2d Male thread part 2e Flat surface 2f Protrusion part (Vertical rib)
DESCRIPTION OF SYMBOLS 3 Discharger 4 Holding | maintenance part 4a Outer cylinder body 4b Inner cylinder body 4c Female thread part 5 Overcap 5a Inner cylinder 6 Base cap 6a Double cylinder part 6b Top plate 6c Cylindrical body 6d Female thread part 6e Standing annular peripheral wall 6f Cover 7 Discharge Main body 8 Nozzle head 8a Operation part 8b Inner cylinder 8c Nozzle 8d Outer cylinder 15 Suction pipe 16 Elastic member 16a Bottom wall part 16b Side wall part 17 Elastic member M Filling space

Claims (7)

An inner container filled with contents;
An outer container that houses the inner container;
A dispenser that is detachably attached to the mouth and neck of the inner container and the inlet of the outer container;
In a replaceable discharge container comprising:
An outward projecting portion that can be deformed inward is provided at the bottom of the inner container,
By attaching the discharge device to the mouth-neck portion of the inner container and the inlet portion of the outer container, the outward projecting portion of the bottom portion of the inner container is pressed and deformed by the inner surface of the bottom portion of the outer container. A replaceable discharge container. The dispenser is attached to the mouth and neck of the inner container by screwing,
Relative rotation of the outer container and the inner container when the inner container is mounted by engaging at least one of the inner surface of the bottom of the outer container and the outer surface of the bottom of the inner container with each other. The replaceable discharge container according to claim 1, further comprising an engaging portion for restraining the liquid.   The said engaging part is a flat surface formed so that it might mutually contact | abut to the inner peripheral surface of the bottom part of the said outer container, and the outer peripheral surface of the bottom part of the said inner container, It is characterized by the above-mentioned. Replacement type discharge container. The discharger is attached to the inlet of the outer container by screwing,
3. The attachment according to claim 2, wherein the engagement portion is a protrusion formed to engage with the inner bottom surface of the outer container and the outer bottom surface of the inner container in the relative rotation direction. Replaceable discharge container.   The engaging portion is an elastic element that is formed on at least one of the bottom inner surface of the outer container and the bottom outer surface of the inner container, is compressed and deformed by pressing against the other, and restrains the relative rotation by a frictional force due to a repulsive force. The replaceable discharge container according to claim 2, wherein   The replaceable discharge according to claim 5, wherein the engaging portion is an elastic member provided on at least an inner peripheral surface of a bottom portion of the outer container and surrounding at least an outer peripheral surface of the bottom portion of the inner container. container.   6. The replaceable discharge container according to claim 5, wherein the engaging portion is at least one protruding elastic member provided on the outer bottom surface of the bottom portion of the inner container.

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