JP7053364B2 - Injection container - Google Patents

Description

The present invention relates to a pouring container, particularly a pouring container having a remaining amount notation function.

As this type of container, a container body (peripheral wall member) that erects the mouth and neck from a straight tubular body with a lower end opening via the shoulder, and a dispenser that is mounted inside the mouth and neck and has a discharge port. A middle plate that is vertically fitted in the body portion and a bottom lid that closes the lower surface of the body portion are provided, and by operating the dispenser, the middle plate is formed in the body portion above the middle plate. There is known a pouring container configured to suck out the contents from the contents storage chamber and discharge the contents to the outside from the discharge port, in which the remaining amount display function is incorporated in the bottom lid.
The bottom lid is attached to the lower surface of the body portion and is composed of an upper lid having an opening in the center and a bottomed tubular lower lid attached to the lower surface of the upper lid, and is one of the lid peripheral walls of the lower lid. A remaining amount display window is opened in the portion, and half of the base end side of the tape whose color changes at regular intervals in the longitudinal direction is arranged along the inner surface of the peripheral wall of the lid so that it can be visually recognized from this remaining amount display window. A half of the tape on the tip end side is attached to the lower surface of the middle plate via a locking tool (Patent Document 1).
By doing so, when the middle plate is raised, the tip side half of the tape is pulled up, and the base end side half moves along the inner surface of the lid peripheral wall of the lower lid, thereby allowing the remaining amount display window to move. Since the color of the visible tape part changes, the remaining amount of the contents in the container can be recognized.

JP-A-2010-173693 JP-A-2007-62824

The dispensing container of Patent Document 1 requires a work of attaching a tape to the middle plate in the assembling process, and if the work is incomplete, the tape will fall off from the middle plate and the remaining amount can be displayed. There is a possibility that the remaining amount display function may not be properly exhibited, for example, there is a possibility that the remaining amount display may have an error due to distortion, slackening, or stretching of the tape.
Even if the above-mentioned tape is not used, if the container body is made of a transparent material, the remaining amount can be known by directly visually observing the position of the inner plate, but the light-shielding property of the container body is necessary for quality control of the contents. If so, such a configuration cannot be taken.
As another prior art, the remaining amount display window is opened in the upper part of the body portion, and the inner surface of the mouth and neck is formed from the inner circumference of the ring plate that is vertically fitted to the inner surface of the body portion below the remaining amount display window. An auxiliary lid is provided by erecting the seal cylinder part that is in close contact with the window, and when the remaining amount is low, the middle plate raised by the operation of the dispenser pushes up the auxiliary lid, and the warning color of the auxiliary lid remains. Some of them appear in the amount display window to inform the user that the remaining amount is low (Patent Document 2).
However, forming a remaining amount display window on the side surface of the pouring container may not be preferable in terms of the design of the container.

A first object of the present invention is to provide a pouring container capable of reliably displaying the remaining amount of contents.
A second object of the present invention is to provide a pouring container that does not need to be provided with a remaining amount display window on the side surface of the container body and can ensure the light-shielding property and the good appearance of the container.

The first means is a container body 2 in which the mouth and neck 8 is erected from the body 6 having a substantially straight cylinder shape.
A dispenser 20 mounted in the mouth neck 8 and having a discharge port 32,
A middle plate 40 fitted in the body portion 6 so as to be able to rise,
By operating the dispenser 20, the contents are sucked out from the contents storage chamber R formed in the container body portion above the middle plate 40 and discharged to the outside from the discharge port 32. In the discharged container
A rotating body 50 with a remaining amount display mark M is attached to the lower part of the container body so as to be able to rotate around the central axis O of the container body 2.
A connecting member 60 having rigidity with respect to a rotational force around the central axis O is projected downward from the middle plate 40, and the lower portion of the connecting member 60 is linked to the rotating body 50.
An output that converts a pulling force acting on the connecting member 60 in the direction of the central axis O as the middle plate 40 rises into a rotational force that rotates the rotating body 50 around the central axis O at the linking portion. A conversion mechanism T is provided,
The movement of the remaining amount display mark M with the rotation of the rotating body 50 is formed so as to be displayed through the remaining amount display window W formed at the lower part of the container body .
In the connecting member 60, a plurality of partial cylinder portions 62 having different diameters are overlapped with each other so as not to be able to come out and expand and contract, and one of the innermost cylinder portion 62A and the outermost cylinder portion 62C of these partial cylinder portions 62 is overlapped. It is non-rotatably attached to the lower surface side of the middle plate 40, and the other of the innermost cylinder portion 62A and the outermost cylinder portion 62C is linked to the rotating body 50, and the first rotation is performed between these partial cylinder portions 62. Stopping means D are provided respectively .

In this means, as shown in FIG. 1, a connecting member 60 having rigidity with respect to a rotational force around the central axis O is projected downward from the middle plate 40, and the lower portion of the connecting member 60 is linked to the rotating body 50. An output that converts the pulling force acting on the connecting member 60 in the direction of the central axis O as the middle plate 40 rises into a rotational force that rotates the rotating body 50 around the central axis O. By providing the conversion mechanism T, it is possible to surely rotate the rotating body by a certain angle according to a certain ascending distance of the middle plate, and it is possible to accurately display the remaining amount. However, this action does not have to be exerted in the whole process of raising the middle plate, and may be started when the remaining amount of the container body is low.

The "connecting member" is a means for transmitting a pulling force to a portion linked with a rotating body as the middle plate is pulled up, and has a certain rigidity. As long as these functions can be exhibited, the shape is arbitrary and is not limited to the tubular shape shown in the figure. This is because the pulling force is converted into the rotational force of the rotating body by the output conversion mechanism.
"Has rigidity against the rotational force around the central axis O" means that it exerts a resistance force against rotational deformation, and is made of amorphous material such as paper or film, or rubber. It means excluding those that are easily twisted and deformed. This is because if the connecting member is easily deformed due to the reaction when the rotating force is applied to the rotating body 50, the rotation angle of the rotating body 50 cannot be accurately corresponded to the ascending distance of the middle plate 40.
"Coordination" means to relate to each other in a state where power can be transmitted.
The connecting member preferably has a rod-like shape (including a cylindrical shape) that is long in the vertical direction. In the illustrated example, a plurality of partial tubular portions are superposed to be formed, but a single rod-shaped body (including a single tubular body) may be formed.
The "peripheral wall member" is a member that forms the peripheral wall portion of the container body.
A "rotating body" is a member rotatably attached to the bottom of a container body around a central axis (referring to a vertical central axis) of the container body. In the illustrated example, it is rotatably attached to both the lower portion of the peripheral wall member 4 and the auxiliary peripheral wall 14 of the bottom member 10, but it may be attached to only one of these, or the bottom plate portion of the bottom member 10. A rotating body may be attached to 12 so as to surround the central axis O.
In the illustrated example, the rotating body is a cylindrical cylinder, and a diagonal groove 58 for guiding the engaging convex portion 70 is formed on the inner surface of the cylinder, but this structure can be appropriately changed. Of the cylinders, only the skew groove 58 and the cylinder portion forming the skew groove are required to guide the engaging convex portion, so the structure is such that the remaining portions are omitted. It doesn't matter. This will be described in the section of the embodiment.
The "remaining amount display window" does not have to be a window hole, and a part of the lower part of the container body may be used as a transparent part as a remaining amount display window. It is desirable to form the remaining amount display window on the lower surface of the container body, but this means does not exclude the structure formed on the lower side surface of the container body.

Further , in this means, it is proposed that the connecting member 60 is formed by superimposing a plurality of partial tubular portions 62 having different diameters on each other so as not to be able to pull out from each other and to be stretchable. Here, "expansion and contraction" means expansion and contraction in a telescope shape, that is, an operation of extending by pulling out another partial cylinder from one partial cylinder, and storing another partial cylinder in one partial cylinder. It means shrinking by being done, and does not include expansion and contraction of the material. Then, one of the innermost cylinder portion 62A and the outermost cylinder portion 62C of these partial cylinder portions 62 is non-rotatably attached to the lower surface side of the middle plate 40, and the innermost cylinder portion 62A and the outermost cylinder portion 62C are attached. The other is linked to the rotating body 50, and a first detenting means D is provided between the partial cylinder portions 62. According to this configuration, the effective length of the connecting member 60, which is a means for transmitting power (pulling force), is made larger than the vertical height of the storage space of the connecting member 60 formed between the bottom member 10 and the middle plate 40. It can be done, which in turn contributes to space saving.

The second means has the first means , and the connecting member 60 is non-rotatably attached to the lower surface side of the middle plate 40 as a vertically oriented cylindrical member as a whole, and the rotating body 50 is attached. , It is arranged inside or outside the tubular connecting member 60 so as to face the peripheral surface of the connecting member 60.
The output conversion mechanism T includes a diagonal groove 58 provided obliquely in the vertical direction on one of the facing surfaces of the rotating body 50 and the connecting member 60, and each facing surface of the rotating body 50 and the connecting member 60. It is composed of an engaging convex portion 70 which is attached to the other side of the above and is slidably fitted into the oblique groove 58.

In this means, as shown in FIG. 6, the output conversion mechanism T is provided in a diagonal groove 58 diagonally provided on one of the facing surfaces of the rotating body 50 and the connecting member 60 with respect to the vertical direction, and rotation thereof. It is proposed to be formed by an engaging convex portion 70 which is attached to the other of the facing surfaces of the body 50 and the connecting member 60 and is slidably fitted into the oblique groove 58. As a result, the rotating body 50 can be reliably rotated as the middle plate rises.
When a plurality of diagonal grooves 58 are provided at equal intervals in the circumferential direction of the rotating body 50 or the connecting member 60 and the engaging convex portions 70 are provided accordingly, an ascending force acting on the connecting member 60 is applied to the rotating body 50. It can be transmitted more smoothly as a rotational force.
When this configuration is adopted, the connecting member 60 has a structure having rigidity against a tensile force in the vertical direction such as a single cylinder, or a structure in which a plurality of partial cylinder portions 62 with escape means are overlapped. It is preferable that the material cannot be pulled and deformed in the vertical direction when it is extended to a certain limit length.

The third means has a first means or a second means , and the container body 2 has a peripheral wall member 4 having a lower end opening forming the body portion 6 and the mouth and neck portion 8, and the peripheral wall member 4. A bottom member 10 formed by fitting an auxiliary peripheral wall 14 that stands up from the peripheral end of the bottom plate portion 12 is provided at the lower end portion of the bottom plate portion 12.
The peripheral wall member 4 was formed of a light-shielding material, and the remaining amount display window W was formed on the outer peripheral portion of the bottom plate portion 12.

In this means, it is proposed to provide the remaining amount display window W on the bottom plate portion of the bottom member 10 of the container body 2. Thereby, it is possible to propose a pouring container having good light-shielding property and good appearance.

According to the invention according to the first means, a rotating body 50 with a remaining amount display mark M is incorporated in the lower part of the container body, and a rigid connection is made from the middle plate 40 fitted in the body portion 6 of the container body. The member 60 is projected downward and the lower part of the connecting member 60 is linked to the rotating body 50 so that the pulling force accompanying the ascent of the middle plate 40 is converted into a force for rotating the rotating body 50 at this linking point. Since it is configured, it is possible to display the remaining amount reliably.
Further , according to the invention according to the first means, in the connecting member 60, a plurality of partial cylinder portions 62 having different diameters are overlapped with each other so as not to be able to pull out from each other and can be expanded and contracted, and the innermost cylinder of these partial cylinder portions 62 is overlapped. One of the innermost cylinder portion 62A and the outermost cylinder portion 62C is non-rotatably attached to the lower surface side of the middle plate 40, and the other of the innermost cylinder portion 62A and the outermost cylinder portion 62C is linked to the rotating body 50. Since the first detent means D are provided between the partial cylinder portions 62, the effective length (the length in the longest extended state) of the connecting member 60, which is the power transmission means, is set to the bottom member 10 and the middle plate 40. It can be made larger than the height of the storage space of the connecting member 60 formed between the and.
According to the invention according to the second means, the output conversion mechanism T has a diagonal groove 58 provided obliquely in the vertical direction on one of the facing surfaces of the rotating body 50 and the connecting member 60, and their rotation. Since it is composed of an engaging convex portion 70 which is attached to the other of the facing surfaces of the body 50 and the connecting member 60 and is slidably fitted into the oblique groove 58, there is less malfunction and the remaining amount is displayed. The certainty of is further increased.
According to the invention according to the third means, since the remaining amount display window W is formed on the outer peripheral portion of the bottom plate portion 12, it is not necessary to provide the remaining amount display window portion on the peripheral wall member 4, and therefore the appearance of the container And the problem of light blocking effect is eliminated.

It is sectional drawing seen from the side of the pouring container which concerns on embodiment of this invention. It is a bottom view of the pouring container of FIG. It is an enlarged view of the main part of the pouring container of FIG. FIG. 3 is a cross-sectional view of the pouring container of FIG. 1 as viewed from the VI-VI direction. It is a cross-sectional view of the pouring container of FIG. 1 as seen from the VV direction. It is a vertical sectional view of the main member of the pouring container of FIG. It is explanatory drawing of the 1st stage during the use period of the pouring container of FIG. It is explanatory drawing of the 2nd stage during the use period of the pouring container of FIG. It is explanatory drawing of the 3rd stage during the use period of the pouring container of FIG. It is explanatory drawing of the 4th stage during the use period of the pouring container of FIG. It is a bottom view of the pouring container in the state of FIG.

1 to 11 show a pouring container according to the first embodiment of the present invention. The pouring container includes a container body 2, a dispenser 20, an overcap 36, a middle plate 40, a rotating body 50, and a connecting member 60. Each of these members can be made of, for example, synthetic resin or metal. Moreover, these structures can be changed as appropriate.

In the present embodiment, the container body 2 is formed of a peripheral wall member 4 and a bottom member 10.

The peripheral wall member 4 stands up from the body portion 6 having a substantially straight cylinder shape to the mouth neck portion 8 via the shoulder portion 7 at the lower end opening. The peripheral wall member 4 is preferably formed of a light-shielding material.
In the illustrated example, the body portion 6 extends from a cylindrical large-diameter end portion 6a, which is the lower end portion, to a small-diameter straight cylinder portion 6c via a step portion 6b. However, these shapes can be changed as appropriate.

The bottom member 10 has an auxiliary peripheral wall 14 erected from a portion near the peripheral end of the bottom plate portion 12, and the auxiliary peripheral wall 14 is fitted to the inner surface of the large-diameter end portion 6a of the body portion 6.
In the illustrated example, the bottom plate portion 12 raises a flat central raised portion 12c from the outer peripheral plate portion 12a via the annular step portion 12b. The auxiliary peripheral wall 14 stands up from the upper surface of the outer peripheral plate portion 12a at a certain distance (fitting allowance) from the peripheral end portion of the outer peripheral plate portion, and is fitted to the outer surface of the auxiliary peripheral wall 14. The outer surface of the large-diameter end portion 6a and the side outer surface of the peripheral end portion of the outer peripheral plate portion 12a are formed so as to be flush with each other. However, these structures can be changed as appropriate.
A remaining amount display window W is formed on the outer peripheral plate portion between the annular step portion 12b and the auxiliary peripheral wall 14. As shown in FIG. 2, the remaining amount display window W in the illustrated example is formed in a fan shape with the center of the bottom plate portion 12 as the center of curvature, and a scale 16 is attached to the lower surface of the bottom plate portion near the remaining amount display window. ing.
Further, in the illustrated example, the remaining amount display window W is formed as an opening formed in a part of the bottom plate portion 12, but for example, it may be formed by making a part of the bottom plate portion 12 a transparent portion. ..

The dispenser 20 is a conventionally known discharge pump device, and a cylinder 26 having a suction port 27 at the lower end is vertically hung in the container from a mounting member 22 mounted on the mouth neck 8 and inside the cylinder 26. , The lower half of the operating member 28 is inserted so as to be able to move up and down in an upwardly urged state.
The mounting member 22 of the illustrated example has a mounting cylinder portion 22a fitted to the outer surface of the mouth neck portion 8 and an inward flange 22b protruding inward from the upper end of the mounting cylinder portion 22a. The inward flange 22b is in contact with the mouth and neck via the packing P. Further, in the illustrated example, the vertical rib 23 is vertically provided on the outer surface of the mounting cylinder portion 22a as shown in FIG.
Then, the mounting member 22 is folded back inward and downward from the upper end of the fitting cylinder portion 22c standing up from the inner peripheral portion of the inward flange 22b, and the pushing head head described later is folded from the outer periphery of the inward flange 22b. The guide cylinder portion 22e that guides the 30 is standing upright.
Further, in the illustrated example, the cylinder 26 is vertically installed in the container body 2 by sandwiching the upper end portion of the cylinder peripheral wall between the fitting cylinder portion 22c and the folded cylinder portion 22d. However, this structure can be appropriately changed. For example, a flange portion (not shown) attached to the upper end of the cylinder peripheral wall may be sandwiched between the inward flange 22b and the mouth neck portion 8 together with the packing P. not.
The actuating member 28 is provided so as to be able to be pushed down in an upwardly urged state, and a cylindrical piston (not shown) slidably fitted to the inner circumference of the cylinder 26 is linked to the lower portion. A stem 29 is provided, and a push-down head 30 having a discharge port 32 is fitted to the upper end of the stem 29.
Further, the dispenser 20 may include a first check valve (not shown) built in the lower part of the cylinder 26 and a second check valve (not shown) provided in the stem 29. By moving the operating member up and down, the liquid in the cylinder 26 can be discharged from the discharge port 32 of the push-down head 30, and the liquid in the container body 2 can be formed so as to be sucked into the cylinder 26. This configuration is an example of a known dispenser, and any kind of dispenser can be used as long as a cylinder can be vertically hung from the inside of the mouth and neck and attached to the container body 2 to discharge the liquid in the container body 2. It can also be adopted in the configuration.
In this embodiment, the outer surface of the dispenser 20 is covered with the cover member 34. The illustrated cover member 34 is formed by a lower cover 34a that covers the outer surface of the mounting cylinder portion 22a and the guide cylinder portion 22e, and an upper cover 34b that covers the outer surface of the push-down head 30. In the illustrated example, a bulging portion 35 is provided located on the outer side of the vertical rib 23 of the mounting cylinder portion 22a and bulges outward from the lower cover 34a, and this bulging portion is used as the overcap 36 described later. It is in contact with the inner surface.

The overcap 36 is pressed against the outer surface of the dispenser.

The middle plate 40 has a tubular piston 42 slidably fitted to the inner surface of the straight cylinder portion 6c of the body portion 6, and a partition wall 44 that vertically partitions the inside of the body portion 6 inside the tubular piston 42. Is stretched. By doing so, the content storage chamber R is formed in the container body portion above the middle plate 40. In the illustrated example, the partition wall 44 projects the ring-shaped upper wall portion 44b inward from the upper end of the short outer peripheral wall portion 44a erected from the inner surface of the cylindrical piston 42, and hangs down from the inner circumference of the upper wall portion 44b. The lower wall portion 44d is stretched at the lower end of the long inner peripheral wall portion 44c. Further, a plurality of locking leg pieces 45 are extended downward from the lower end of the inner peripheral wall portion 44c, and a first stopper 46 for locking from the lower end of the locking leg pieces 45 to the connecting member 60 described later. Is protruding outward. Further, a reinforcing rib 48 is attached from the inner surface of the upper end portion of the locking leg piece 45 to the lower surface of the lower wall portion 44d. In the illustrated example, the locking leg pieces 45 and the reinforcing ribs 48 are arranged at four locations in the circumferential direction at equal intervals as shown in FIG. 5, but this structure can be appropriately changed.
The middle plate 40 is configured so that when the push-down head 30 is pushed down and the dispenser 20 sucks up the contents from the container body 2 and discharges the contents from the discharge port 32, the pressure is increased in the container body 2. Has been done. When the middle plate 40 rises, outside air enters the body portion below the middle plate 40 from the outside air suction hole provided in a part of the bottom member 10. In the present embodiment, the through hole, which is the remaining amount display window W, also serves as the outside air introduction hole.

The rotating body 50 is attached to the lower inner peripheral surface of the container body so as to be rotatable and non-elevable. In the illustrated example, the rotating body 50 has a rotating cylinder portion 52 extending from the inner surface of the auxiliary peripheral wall 14 to the inner surface of the lower portion of the straight cylinder portion 6c of the peripheral wall member 4, and is locked from the outer peripheral surface of the rotating cylinder portion 52. The rib 54 is projected. The locking rib 54 is inserted between the upper end surface of the auxiliary peripheral wall 14 and the lower surface of the stepped portion 6b of the peripheral wall member 4 to prevent the rotating body 50 from rising. However, these configurations can be changed as appropriate. For example, instead of providing the locking rib on the rotary cylinder portion 52, the auxiliary peripheral wall 14 is fitted to the outside of the large diameter end portion 6a, and the rotary cylinder portion 52 is fitted to the inner surface of the large diameter end portion 6a. Then, the upper end of the rotary cylinder portion may be locked to the lower surface of the step portion 6b.
A remaining amount display mark M is formed on a part of the lower end surface of the rotary cylinder portion 52 in the circumferential direction. As shown in FIG. 6, the remaining amount display mark M in the illustrated example is formed as a protrusion protruding downward from the lower end of the cylinder wall of the rotary cylinder portion 52, but is formed on a part of the lower end surface of the rotary cylinder portion 52, for example. You may add a mark with color.
The rotary cylinder portion 52 has a portion excluding the upper end of the cylinder wall formed in a thick portion 56 that projects inward, and guides an engaging convex portion 70 described later to the inner surface of the thick portion 56. A plurality of oblique grooves 58 are formed.
These diagonal grooves 58 are arranged at equal intervals in the circumferential direction of the rotary cylinder portion 52, and are inclined in the same direction with respect to the vertical direction. The oblique groove 58 in the illustrated example is formed by a vertical groove portion 58a extending diagonally upward from the lower end of the rotary cylinder portion 52 and an inclined groove portion 58b extending diagonally upward from the upper end of the vertical groove portion 58a. , The work of inserting the engaging convex portion 70 is easy. However, these structures can be changed as appropriate.
As for the inclination angle of the inclined groove portion 58b with respect to the horizontal direction, the smaller the inclination angle thereof, the larger the moving distance of the remaining amount display mark M of the rotating body 50 with respect to the constant ascending distance of the middle plate 40.
In the present embodiment, the rotary cylinder portion 52 is adopted as the main portion of the rotating body 50, but for example, from the ring plate (not shown) placed on the bottom plate portion 12, the upper side from the outer circumference of the horizontal disk. A plurality of arcuate plate portions may be erected with the central axis O of the container body 2 as the center of curvature, and diagonal grooves may be provided on the inner surface of these arcuate plate portions.

The connecting member 60 has an upper end portion attached to the middle plate 40 side and a lower end portion linked to the rotating body 50, and is pulled up together with the middle plate 40 by negative pressure in the container body 2 by the operation of the dispenser 20. At the linking point, the pulling force is converted into a rotational force for rotating the rotating body 50 by the output conversion mechanism T.
In the present embodiment, the connecting member 60 is formed of a tubular member that surrounds the inner peripheral wall portion 44c of the middle plate 40, whereby the inner peripheral wall portion 44c and the rotating cylinder of the rotating body 50 are formed. It can be stored compactly in the space between the part 52 and fits well.
Further, in the present embodiment, the connecting member 60 is formed by superimposing a plurality of partial tubular portions 62 having different diameters so that they cannot be pulled out from each other and can be expanded and contracted in a telescope shape as shown in FIGS. 7 to 10. There is. In the illustrated example, as shown in FIG. 3, the first partial cylinder portion 62A which is the innermost cylinder portion, the second partial cylinder portion 62B which is the medium diameter cylinder portion, and the third partial cylinder portion 62C which is the outermost cylinder portion. It is formed by. In the illustrated example, these partial tubular portions 62 have substantially the same tubular length, and the first partial tubular portion 62A and the second partial tubular portion 62B are on the central raised portion 12c, and the third partial tubular portion 62C is. They are arranged on the outer peripheral plate portion 12a, respectively.
Further, the second stopper 64 is projected outward from the lower end portion of the outer surface of the first partial cylinder portion 62A and the second partial cylinder portion, and the upper end portion of the inner surface is locked to the inner surface of all the partial cylinder portions 62. A stopper receiving groove 66 with the lower end open and the upper end closed is vertically provided, leaving as the end portion 68.
The first stopper 46 of the locking leg piece 45 is slidably fitted in the stopper receiving groove 66 of the first partial tubular portion 62A, whereby, as shown in FIG. 4, with respect to the inner peripheral wall portion 44c. A second detent means E that regulates the rotation of the first partial tubular portion 62A is formed.
The second stopper 64 of the first partial cylinder portion 62A is inside the stopper receiving groove 66 of the second partial cylinder portion 62B, and the second partial cylinder portion 62B is inside the stopper receiving groove 66 of the third partial cylinder portion 62C. The second stopper 64 is slidably inserted into the second stopper 64, whereby the first detent means D for restricting the rotation of the partial tubular portions 62 is formed.
With such a configuration, as shown in FIGS. 7 to 9 of the present application, the connecting member 60 sequentially extends upward as the middle plate 40 rises, and between the middle plate and the first partial cylinder portion and the partial cylinder portion. Rotation between the parts is prevented. In particular, when the rotating body 50 is to be rotated by the action of the output conversion mechanism T described later in the most stretched state of FIG. 9, the reaction of the rotational force causes the first partial cylinder portion 62A to have an inner peripheral wall portion. It prevents the second partial cylinder portion 62B from rotating with respect to the first partial cylinder portion 62A and the third partial cylinder portion 62C with respect to the second partial cylinder portion 62B. ..
Further, these second stoppers 64 are formed so as to abut against the locking end portion 68 and be locked after moving upward in the stopper receiving groove 66, whereby the adjacent partial cylinder portions 62 are formed to be engaged with each other. Prevents slipping out in the vertical direction.
As shown in FIG. 3, an engaging convex portion 70 is projected outward from the lower end portion of the outer surface of the third partial tubular portion 62C, and the engaging convex portion 70 is formed into a diagonal groove 58 of the rotating body 50. The output conversion mechanism T is formed by slidably fitting the inside. The output conversion mechanism T has a function of converting a pulling force acting on the connecting member 60 in the direction of the central axis O as the middle plate 40 rises into a rotational force for rotating the rotating body 50 around the central axis O. Has. That is, in a state where the engaging convex portion 70 is inserted into the inclined groove portion 58b of the oblique groove 58, the connecting member 60 in the most stretched state is further pulled up by the raising of the middle plate 40, as shown in FIG. As shown, the engaging convex portion 70 is pressed against the upper side of the inclined groove portion 58b. Of this pressure contact force f, the component force fy in the vertical direction is offset by the engagement force between the locking rib 54 of the rotating body 50 and the stepped portion 6b of the peripheral wall member 4, and the horizontal component force fx of the pressure contact force is used as the rotational force. It is transmitted to the rotating body 50.
The connecting member 60 is assumed to have rigidity against a rotational force around the central axis O.
Since the above-mentioned rigidity is exerted with respect to the rotational force, for example, a structure such as a bellows portion that can extend in the vertical direction may be used. However, this bellows portion needs to not elastically extend in a state of being extended to a certain limit, similar to the above-mentioned structure in which a plurality of partial tubular portions expand and contract in a telescope shape. Otherwise, while the engaging convex portion 70 is moving in the inclined groove portion 58b, the bellows portion may elastically extend instead of rotating the rotating body 50, and the remaining amount may not be displayed accurately. Is.
It is preferable that each partial tubular portion 62 is injection-molded because deformation and the like can be suppressed, but it is not necessarily limited to the injection-molded product. Even if it is called "rigidity", it is sufficient that the force acting on the middle plate 40 does not cause twisting or distortion to the extent that it causes an error in the remaining amount display.
It is preferable that the middle plate 40 and the rotating body 50 also have the same rigidity.

In the present embodiment, since the connecting member 60 can be expanded and contracted in a telescope shape, the effective length of the connecting member 60 which is a means for transmitting power (pulling force) from the middle plate 40 to the linking portion with the rotating body 50. Can be made larger than the height of the storage space of the connecting member 60 between the middle plate 40 and the bottom member 10, and the storage space is not bulky, which contributes to space saving.
In the present embodiment, the locking leg piece 45 is formed as a plurality of vertical plate portions hanging from the lower end of the inner peripheral wall portion 44c, but is formed as a leg tube portion hanging from the entire lower end of the inner peripheral wall portion 44c. May be good.
Further, in the present embodiment, the first stopper 46, the second stopper 64, and the stopper receiving groove 66 are provided at a plurality of locations in the circumferential direction at intervals (equal intervals in the illustrated example).
Further, as shown in FIG. 4, the first stopper 46, the second stopper 64, and the stopper receiving groove 66 are arranged on a straight line extending in the radial direction from the center of the container body 2, but this structure should be changed as appropriate. Can be done.

In the illustrated example, the first partial cylinder portion 62A, which is the innermost cylinder portion, is attached to the middle plate 40, and the third partial cylinder portion 62C, which is the outermost cylinder portion, is linked to the rotating body 50. The third partial cylinder portion 62C, which is the outer cylinder portion, may be attached to the middle plate 40, and the first partial cylinder portion 62A, which is the innermost cylinder portion, may be linked to the rotating body 50.
For example, the upper end of the third partial cylinder portion 62C is non-rotatably attached to the inner surface of the outer peripheral wall portion 44a of the middle plate 40, and the locking leg piece is omitted from the structure of the middle plate 40, and the rotating body 50 is attached to the first partial cylinder. Arranged inside the portion 62A, the annular step portion 12b has a diameter smaller than that of the rotating body 50, and the lower end of the rotating body is rotatably and non-elevably locked to the annular step portion 12b. The engaging convex portion protruding in the direction may be slidably fitted in the oblique groove formed on the outer surface of the rotating body 50.

In the above configuration, when the overcap 36 is removed from the state of FIG. 1 and the push-down head 30 is pushed down, the liquid in the content storage chamber R is sucked through the suction port 27 and the discharge port 32 by the action of the dispenser 20 described above. The middle plate 40 is pulled up by the negative pressure in the content storage chamber R due to the suction of the liquid.
In the process of pulling up the middle plate 40, the first stopper 46 of the locking leg piece 45 rises in the stopper receiving groove 66 in the first partial tubular portion 62A and engages with the locking end portion 68 of the receiving groove. (See FIG. 7), pull up the first partial cylinder portion 62A.
Similarly, by pulling up the first partial cylinder portion 62A, the second stopper 64 of the first partial cylinder portion 62A rises in the stopper receiving groove 66 of the second partial cylinder portion 62B, and the locking end portion of the receiving groove is raised. Engage with 68 (see FIG. 8) and pull up the second partial cylinder 62B.
Further, by pulling up the second partial cylinder portion 62B, the second stopper 64 of the second partial cylinder portion 62B rises in the stopper receiving groove 66 in the third partial cylinder portion 62C, and the locking end portion 68 of the receiving groove portion 68 Engage with (see FIG. 9) and pull up to the third partial cylinder portion 62C.
As a result, the engaging convex portion 70 of the third partial tubular portion 62C moves in the oblique groove 58 of the rotating body 50, and the pulling force is converted into a rotational force that rotates the rotating body 50.
As the rotating body 50 rotates with respect to the bottom member 10, the remaining amount display mark M of the rotating body 50 gradually changes from the position shown in FIG. 2 to the position shown in FIG. 11 in the remaining amount display window W of the bottom member 10. Move to. Since the remaining amount is displayed by the rigid mechanical elements of the connecting member 60 and the rotating body 50, uncertain error factors such as twisting and stretching of the tape are eliminated as compared with the case of using paper or film tape. However, it is possible to realize a more reliable display of the remaining amount.
Further, in the illustrated example, three scales 16 are attached in the vicinity of the remaining amount display window W, whereby the degree of reduction of the contents is displayed step by step.
In the present embodiment, since the remaining amount display window W is provided on the lower surface of the bottom member 10, the appearance of the pouring container is not spoiled. Further, by forming the peripheral wall member 4 of the container body 2 with a light-shielding material, the light-shielding property can be easily ensured. In this way, the remaining amount can be confirmed by the user while maintaining the appearance and light-shielding property of the container, so that the commercial value of the pouring container can be enhanced.

2 ... Container body 4 ... Peripheral wall member 6 ... Body 6a ... Large diameter end 6b ... Step 6c ... Straight cylinder 7 ... Shoulder 8 ... Mouth neck 10 ... Bottom member 12 ... Bottom plate 12a ... Outer plate 12b ... Circular step 12c ... Central ridge 14 ... Auxiliary peripheral wall 16 ... Scale 20 ... Dispenser 22 ... Mounting member 22a ... Mounting cylinder 22b ... Inward flange 22c ... Fitting cylinder 22d ... Folded cylinder 22e ... Guide cylinder 23 ... Vertical rib 26 ... Cylinder 27 ... Suction port 28 ... Actuating member 29 ... Stem 30 ... Push-down head 32 ... Discharge port 34 ... Cover material 34a ... Lower cover 34b ... Upper cover 35 ... Swelling part 36 ... Overcap 40 ... Middle Dish 42 ... Cylindrical piston 44 ... Partition 44a ... Outer wall part 44b ... Upper wall part
44c ... Inner peripheral wall part 44d ... Lower wall part 45 ... Locking leg piece 46 ... First stopper 48 ... Reinforcing rib 50 ... Rotating body 52 ... Rotating cylinder part 54 ... Locking rib 56 ... Thick part 58 ... Diagonal groove 58a ... Vertical groove 58b ... Inclined groove 60 ... Connecting member 62 ... Partial cylinder 62A ... First part cylinder (innermost cylinder)
62B ... 2nd part cylinder part 62C ... 3rd part cylinder part (outermost cylinder part)
64 ... 2nd stopper 66 ... Stopper receiving groove 68 ... Locking end 70 ... Engagement convex part D ... 1st detent means E ... 2nd detent means O ... Central axis M ... Remaining amount display mark P ... Packing R … Contents storage room T… Output conversion mechanism W… Remaining amount display window

Claims (3)

A container body (2) that erects the mouth and neck (8) from a nearly straight tubular body (6),
A dispenser (20) mounted in the mouth neck (8) and having a discharge port (32),
An inner plate (40) fitted in the body portion (6) so as to be able to rise,
By operating the dispenser (20), the contents are sucked out from the content storage chamber (R) formed in the container body portion above the middle plate (40), and the discharge port (32) is provided. In a discharge container configured to discharge to the outside,
A rotating body (50) with a remaining amount display mark (M) is attached to the lower part of the container body so as to be able to rotate around the central axis (O) of the container body (2).
A connecting member (60) having rigidity with respect to a rotational force around the central axis (O) is projected downward from the middle plate (40), and the lower portion of the connecting member (60) is used as the rotating body (50). Link,
At this linking point, a pulling force acting on the connecting member (60) in the direction of the central axis (O) as the middle plate (40) rises is applied around the central axis (O) to the rotating body (50). ) Is provided with an output conversion mechanism (T) that converts it into rotational force to rotate it.
The movement of the remaining amount display mark (M) is formed so as to be displayed through the remaining amount display window (W) formed at the lower part of the container body with the rotation of the rotating body (50) .
In the connecting member (60), a plurality of partial tubular portions (62) having different diameters are overlapped with each other so as not to be able to come out and expand and contract, and the innermost tubular portion (62A) and the innermost tubular portion (62A) of these partial tubular portions (62) are overlapped. One of the outermost cylinder portion (62C) is non-rotatably attached to the lower surface side of the middle plate (40), and the other of the innermost cylinder portion (62A) and the outermost cylinder portion (62C) is attached to the rotating body (50). A pouring container characterized in that a first detenting means (D) is provided between these partial tubular portions (62), respectively . The connecting member (60) is non-rotatably attached to the lower surface side of the middle plate (40) as a vertically oriented cylindrical member, and the rotating body (50) is a tubular connecting member (60). It is arranged on the inside or outside of the connecting member (60) so as to face the peripheral surface of the connecting member (60).
The output conversion mechanism (T) includes a diagonal groove (58) provided obliquely in the vertical direction on one of the facing surfaces of the rotating body (50) and the connecting member (60), and the rotating body (T). 50) and the engaging convex portion (70) attached to the other of the facing surfaces of the connecting member (60) and slidably fitted into the oblique groove (58). , The pouring container according to claim 1. The container body (2) has a peripheral wall member (4) having a lower end opening forming the body portion (6) and the mouth and neck portion (8), and a bottom plate portion (12) at the lower end portion of the peripheral wall member (4). It has a bottom member (10) formed by fitting an auxiliary peripheral wall (14) that stands up from the peripheral end of the above.
Claim 1 or claim 2 is characterized in that the peripheral wall member (4) is formed of a light-shielding material, and the remaining amount display window (W) is formed on the outer peripheral portion of the bottom plate portion (12). Dispensing container described in.

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