JP7031969B2 - Container cap - Google Patents

Description

The present invention relates to a container cap having a slit valve, which is mainly used by being attached to a synthetic resin container.

As a container for storing cosmetics, facial cleansers, etc., a predetermined amount of the contents can be easily discharged, and good drainage performance can be exhibited, for example, described in Patent Document 1. As such, those equipped with a cap equipped with a slit valve are known. Here, the slit valve is made of a soft material such as rubber or elastomer, and is elastically deformed by pressing the body of the container and pressurizing the inside of the container to form a cross-shaped notch (slit) provided at the top of the container. It is configured so that an appropriate amount of contents can be discharged by opening it instantly.

Japanese Unexamined Patent Publication No. 2002-347913

By the way, in the cap with a slit valve described in Patent Document 1, when the container body is tilted to an inverted posture, the contents are discharged by the squeeze of the body, and then the squeeze is released, the body is restored by its own rigidity and the container is used. Since the pressure inside the main body becomes negative, external air is introduced into the container body. The air introduced into the container body moves to the bottom side with the passage of time, but when the user tries to continuously discharge the contents, the air stored in the vicinity of the slit valve immediately after the introduction is mixed with the contents. The slit valve vibrated when it was discharged in the state of being discharged, and an unpleasant sound was generated or the contents were sometimes scattered.

An object of the present invention is to solve such a problem, and an object thereof is for a container capable of suppressing generation of sound and scattering of contents when continuously discharging the contents. I am proposing a cap.

The container cap of the present invention is
A container cap that has a bottle shape with a mouth, body, and bottom, and is attached to the container body that forms a storage space for the contents.
A cap body that has an eclipse-cylindrical shape and has an opening leading to the accommodation space and is attached to the mouth.
A slit valve that closes the opening and is opened by a positive pressure in the accommodation space to discharge the contents in the accommodation space.
It is provided with a regulating member that regulates the upward movement of the valve body of the slit valve when the slit valve is opened.
The regulating member is a member forming an injection hole integrally formed in the cap body .
Around the opening, a plurality of ribs that are intermittently provided in the circumferential direction and hang down toward the bottom are formed .

Further, in the above configuration, the container cap of the present invention further has a lid that covers the slit valve from above, and the lid preferably has a pressing portion that presses the slit valve from above.

Further, in the above configuration, the container cap of the present invention preferably has the ribs provided on an inclined surface that inclines upward toward the opening.

According to the present invention, it is possible to propose a container cap capable of suppressing the generation of sound and the scattering of the contents when the contents are continuously discharged.

It is a front sectional view of the container cap which concerns on 1st Embodiment of this invention. (A) is an enlarged cross-sectional view showing the operation of the slit valve when a positive pressure is applied to the inside of the container body, and (b) is an enlarged cross-sectional view showing the operation of the slit valve when the restricting member is not provided. be. It is a front sectional view of the container cap which concerns on 2nd Embodiment of this invention. It is a bottom view of the rib portion in FIG. FIG. 3 is a cross-sectional view showing a state in which air has entered the container body after discharging the contents of the container cap according to the second embodiment of the present invention. In the bottom view of the rib portion of FIG. 4, it is a figure which shows the region where the fluidity of a content is poor.

Hereinafter, the present invention will be described in more detail with reference to the drawings.

The container cap according to the first embodiment of the present invention will be described in detail with reference to FIGS. 1 and 2. In the present specification, claims, abstracts and drawings, the upper side in FIG. 1 is the upper side and the lower side is the lower side based on the upright state of the container.

As shown in FIG. 1, the container cap 1 according to the present embodiment is provided on a cap body 10 having a ridged tubular shape that can be attached to and detached from the mouth portion 4a of the container body 2 and a top wall 19 of the cap body 10. An opening for fixing the slit valve 30 arranged directly under the pouring hole 14a to the top wall 19 and forming an opening 40a for communicating the accommodation space S of the container body 2 and the pouring hole 14a. It includes a member 40 and a lid 50 that covers the injection hole 14a from above.

In the present embodiment, the container body 2 to which the container cap 1 is attached closes the mouth portion 4a, the body portion 4c formed wider than the mouth portion 4a and extending in the vertical direction, and the lower portion of the body portion. It has a bottom (not shown). A male screw portion 4b is provided on the outer peripheral surface of the mouth portion 4a, and is configured to be screw-engaged with the female screw portion 12a provided on the inner peripheral surface of the outer peripheral wall 11 of the cap body 10.

The container body 2 is made of synthetic resin in this embodiment, and is formed by blow molding a parison in which a molding material is extruded into a tube shape. The container body 2 can also be formed by using another method such as biaxial stretching blow molding of a preform previously formed by injection molding or the like.

The cap main body 10 has an ecstatic tubular shape having a cylindrical outer peripheral wall 11 and a top wall 19 connected to the upper end of the outer peripheral wall 11. As described above, the container body 2 has a female screw portion 12a on the inner peripheral surface of the outer peripheral wall 11 and is screw-engaged with the male screw portion 4b provided on the outer peripheral surface of the mouth portion 4a of the container body 2. Can be fixed to. A protrusion 19d is formed on the lower surface of the top wall 19 at a position corresponding to the mouth portion 4a, and when the protrusion 19d abuts on the upper end of the mouth portion 4a, the mouth portion 4a is hermetically sealed by the cap body 10. Has been done.

The cap body 10 may be fixed to the mouth portion 4a of the container body 2 by screw engagement as in the present embodiment, or may be fixed by a plugging type. Various choices are possible.

Toward the center of the top wall 19 in the radial direction, an upwardly extending dispensing cylinder 14b, a top wall 14c that closes the upper end of the dispensing cylinder 14b, and a dispensing hole 14a formed in the center of the top wall 14c in the radial direction. And are provided. As will be described later, the injection hole 14a guides the contents in the accommodation space S that have passed through the opening 40a and the slit valve 30 to the outside by the positive pressure in the container body 2 increased by the squeeze of the body portion 4c.

In FIG. 1, a slit valve 30 is arranged directly below the injection hole 14a. The slit valve 30 has a dome shape that is convex downward, a valve body 31a having a cross-shaped slit 31b in the center, a tubular peripheral wall 31c that supports the outer peripheral end of the valve body 31a, and a lower end of the peripheral wall 31c. It has a valve fixing portion 31d connected to the above. Then, as shown in FIG. 1, the valve fixing portion 31d is fixed to the cap body 10 by being sandwiched between the lower end of the dispensing cylinder 14b and the opening member 40 described later.

The valve body 31a of the slit valve 30 is formed as a thin-walled member by a soft material such as rubber or elastomer. When a positive pressure is generated in the container body 2, the valve body 31a is displaced upward in the radial central portion and the slit 31b is opened to be in an open state. As a result, the contents in the accommodation space S of the container main body 2 can be discharged to the outside through the opening 40a, the gap between the slits 31b, and the pouring hole 14a. The shape of the slit 31b may be a shape other than a cross shape, for example, a curved line, and the number of the slits 31b may be one or three or more.

The opening member 40 has an opening cylinder 40b that forms an opening 40a that communicates the accommodation space S and the slit valve 30, a flange portion 40c that is connected to the lower end of the opening cylinder 40b, and a flange portion 40c that projects upward from the outer peripheral end. It has a mating wall 40d and an engaging protrusion 40e protruding radially outward from the outer peripheral surface of the engaging wall 40d. Then, the engagement projection 40e is formed at the inner peripheral end of the top wall 19 while sandwiching the valve fixing portion 31d of the slit valve 30 between the upper surface of the flange portion 40c and the lower end portion of the dispensing cylinder 14b. The slit valve 30 and the opening member 40 are fixed to the cap body 10 by engaging the protrusion 19b with an undercut.

As shown in FIG. 1, the lid 50 is connected to the outer peripheral wall 11 of the cap body 10 via a hinge 53h, and can cover the injection hole 14a. More specifically, the lid 50 includes a flat plate-shaped upper wall 52 and a lid peripheral wall 53 that is connected to the outer edge of the upper wall 52 and whose outer peripheral surface is continuous with the outer wall 11. The inner peripheral surface of the lower portion of the lid peripheral wall 53 is configured to undercut engage with the engaging protrusion 19a formed at the outer peripheral end of the top wall 19 of the cap body 10. Further, on the lower surface of the upper wall 52, a tubular seal cylinder 54 is provided which fits on the outer peripheral surface of the injection cylinder 14b when the lid 50 is closed and seals the injection hole 14a. As shown in FIG. 1, a grip portion 53a is formed on the peripheral wall 53 of the lid at a position in the circumferential direction facing the hinge 53h. The grip portion 53a can be opened by the user rotating the lid 50 around the hinge 53h while gripping the grip portion 53a.

The lid 50 is integrally molded with the cap body 10 via the hinge 53h as in the present embodiment, and is undercut engaged with the cap body 10, and a screw portion is provided on the cap body 10. On the other hand, various forms can be selected, such as being configured to be fixed by screw engagement. Further, the structure may be such that the lid 50 is not provided.

The pressing portion 55 hangs down from the lower surface of the upper wall 52 of the lid 50 toward the slit valve 30. The pressing portion 55 penetrates the injection hole 14a in the closed state of the lid 50 shown in FIG. 1, and the lower end portion thereof abuts on the valve body 31a portion of the slit valve 30 and presses the slit 31b slightly. It is configured to open. With this configuration, it is possible to suppress a problem that the contents adhere to the slit 31b portion of the slit valve 30 and solidify, so that the slits 31b stick to each other and cannot be opened.

When discharging the contents from the container cap 1 configured as described above, the user rotates the lid 50 around the hinge 53h while gripping the grip portion 53a from the state shown in FIG. 1 to open the contents. Next, the user rotates the container body 2 by 90 degrees or more around the rotation axis perpendicular to the paper surface from the upright state shown in FIG. 1 while grasping the body portion 4c of the container body 2, and the pouring hole 14a is formed. The inverted operation is performed so that the container body 2 is lowered from the bottom of the container body 2. By this inverted operation, the contents in the accommodation space S move from the bottom to the mouth 4a, and the air in the accommodation space S conversely moves toward the bottom of the container body 2.

Next, the user squeezes the body 4c of the container body 2 for pouring out the contents. The squeeze of the body 4c increases the pressure in the container body 2 to generate a positive pressure. Due to this positive pressure, the valve body 31a of the slit valve 30 is elastically deformed upward, so that the slit 31b is opened and the slit valve 30 is opened. The contents that have moved from the bottom of the container body 2 to the mouth 4a are discharged to the outside via the opening 40a, the slit valve 30, and the pouring hole 14a.

When the discharge of the contents is completed, the user releases the squeeze of the body 4c of the container body 2. As a result, the slit valve 30 is restored to its original shape due to its own rigidity and is closed. Further, since the body portion 4c of the container body 2 is restored to its original shape due to its own rigidity, a negative pressure is generated in the container body 2. Since the slit valve 30 is elastically deformed downward (toward the container body 2) and opened again due to this negative pressure, air is introduced into the container body 2 from the outside through the gap of the slit 31b. If the content of the newly introduced air is highly viscous, the newly introduced air will stay in the vicinity of the mouth portion 4a of the container body 2 immediately after the introduction. Therefore, in the conventional container cap, when the user tries to squeeze the body 4c again and continuously discharge the body 4c immediately after releasing the squeeze of the body 4c, the air staying in the vicinity of the mouth 4a together with the contents is removed. It is discharged from the slit valve 30. Therefore, when the contents and the air are discharged in a mixed state, the valve body 31a vibrates, and there is a possibility that an unpleasant sound may be generated or the contents may be scattered. The vibration of the valve body 31a is generated due to the difference between the flow resistance when the content passes through the slit valve 30 and the flow resistance when the air passes through the slit valve 30.

In the present embodiment, as shown in FIG. 2A, the injection hole 14a is arranged directly above the slit valve 30. Therefore, when the valve body 31a of the slit valve 30 is displaced upward due to the positive pressure in the container body 2, the displacement of the valve body 31a is transferred to the top wall 14c forming the injection hole 14a as shown in FIG. 2A. It is regulated by abutting (for comparison, the displacement of the valve body 31a when the top wall 14c forming the injection hole 14a is not arranged above the slit valve 30 is shown in FIG. 2 (b)). .. That is, in the present embodiment, the top wall 14c forming the injection hole 14a functions as a regulating member that regulates the upward displacement of the valve body 31a of the slit valve 30. As shown in FIG. 2A, when the valve body 31a abuts on the top wall 14c forming the injection hole 14a, a gap is formed in the slit 31b portion so that the contents having a sufficient flow rate can pass through. ing.

As described above, in the present embodiment, the container cap 1 attached to the container body 2 which has a bottle shape having a mouth portion 4a, a body portion 4c, and a bottom portion and forms a storage space S for the contents has a storage space. The cap body 10 having an opening 40a leading to S and being attached to the mouth portion 4a and the opening 40a are closed and opened by the positive pressure in the accommodation space S to eject the contents in the accommodation space S. The slit valve 30 is configured to include a restricting member that restricts the upward movement of the valve body 31a when the slit valve 30 is opened. As a result, even if the user tries to continuously discharge the contents and air is discharged from the slit valve 30 together with the contents, a restricting member for suppressing excessive displacement of the slit valve 30 is provided. Therefore, the slit valve 30 is provided. It is possible to suppress the generation of unpleasant sounds caused by the excessive vibration of the air and the scattering of the contents.

Further, in the present embodiment, the top wall 14c forming the injection hole 14a formed in the cap body 10 is used as the regulating member. As a result, the displacement of the slit valve 30 is regulated when the positive pressure is generated in the container body 2 without increasing the number of parts, and the unpleasant noise caused by the excessive vibration of the slit valve 30 and the contents are generated. Scattering can be suppressed.

Further, in the present embodiment, the lid 50 that covers the slit valve 30 from above is further provided, and the lid 50 is configured to have a pressing portion 55 that presses the slit valve 30 from above. As a result, it is possible to suppress the problem that the contents adhere to the slit valve 30 and solidify, so that the valve bodies 31a stick to each other and the slit 31b cannot be opened.

In the present embodiment, the valve body 31a of the slit valve 30 is configured to have a downwardly convex dome shape, but the present invention is not limited to this embodiment. The slit valve 30 may be configured to be convex upward, for example. In this case, it is preferable that the slit valve 30 is configured to be pressed by a pressing portion extending from below.

Further, in the present embodiment, when a positive pressure is generated in the container body 2 and the valve body 31a of the slit valve 30 is excessively displaced, it is configured to abut on the top wall 14c forming the injection hole 14a. However, the present invention is not limited to this aspect. The slit valve 30 may be configured to suppress excessive displacement by abutting on a member other than the top wall 14c forming the injection hole 14a.

Further, in the present embodiment, the slit valve 30 is configured to be pressed by the pressing portion 55 provided on the lid 50, but the present embodiment is not limited to this embodiment. The pressing portion 55 may be provided in addition to the lid 50, or the pressing portion 55 may not be provided.

Further, in the present embodiment, the slit valve 30 is configured to be sandwiched and fixed between the top wall 19 of the cap body 10 and the opening member 40, but the present embodiment is not limited to this embodiment. The slit valve 30 may be fixed to the cap body 10 by means such as undercut engagement and screw engagement, or may be integrally formed with the cap body 10.

Next, the container cap according to the second embodiment of the present invention will be described in detail with reference to FIGS. 3 to 6. Also in this embodiment, the upper side in FIG. 3 is the upper side and the lower side is the lower side based on the upright state of the container.

As shown in FIG. 3, the container cap 101 according to the present embodiment is provided on the cap body 110 having a ridged tubular shape that can be attached to and detached from the mouth portion 104a of the container body 102, and the top wall 119 of the cap body 110. An opening for fixing the slit valve 130 arranged directly under the pouring hole 114a and the slit valve 130 to the top wall 119 and forming an opening 140a for communicating the accommodation space S of the container body 102 and the pouring hole 114a. It includes a member 140 and a lid 150 that covers the injection hole 114a from above.

In the present embodiment, the container body 102 to which the container cap 101 is attached closes the mouth portion 104a, the body portion 104c formed wider than the mouth portion 104a and extending in the vertical direction, and the lower portion of the body portion. It has a bottom (not shown). A male screw portion 104b is provided on the outer peripheral surface of the mouth portion 104a, and is configured to be screw-engaged with the female screw portion 112a provided on the inner peripheral surface of the outer peripheral wall 111 of the cap body 110.

The container body 102 is made of synthetic resin in this embodiment, and is formed by blow molding a parison in which a molding material is extruded into a tube shape. The container body 102 can also be formed by using another method, such as forming a preform previously formed by injection molding or the like by biaxial stretching blow molding.

The cap main body 110 has an ecstatic tubular shape having a cylindrical outer peripheral wall 111 and a top wall 119 connected to the upper end of the outer peripheral wall 111. As described above, the container body 102 has a female screw portion 112a on the inner peripheral surface of the outer peripheral wall 111, and is screw-engaged with the male screw portion 104b provided on the outer peripheral surface of the mouth portion 104a of the container body 102. Can be fixed to. A protrusion 140g is formed on the lower surface of the opening member 140, which will be described later, at a position corresponding to the mouth portion 104a. When the protrusion 140g abuts on the upper end of the mouth portion 104a, the mouth portion 104a is liquid-tightened by the opening member 140. It is sealed in.

The cap body 110 may be fixed to the mouth portion 104a of the container body 102 by screw engagement as in the present embodiment, or may be fixed by a plugging type. Various choices are possible.

Toward the center of the top wall 119 in the radial direction, an upwardly extending dispensing cylinder 114b, a top wall 114c that closes the upper end of the dispensing cylinder 114b, and a dispensing hole 114a formed in the radial center of the top wall 114c. And are provided. As will be described later, the injection hole 114a guides the contents in the accommodation space S that have passed through the opening 140a and the slit valve 130 to the outside by the positive pressure in the container body 102 increased by the squeeze of the body portion 104c.

In FIG. 3, the slit valve 130 is arranged directly below the injection hole 114a. The slit valve 130 has a dome shape that is convex downward, a valve body 131a having a cross-shaped slit 131b in the center, a cylindrical peripheral wall 131c that supports the outer peripheral end of the valve body 131a, and a lower end of the peripheral wall 131c. It has a valve fixing portion 131d connected to the above. Then, as shown in FIG. 3, the valve fixing portion 131d is fixed to the cap main body 110 by being sandwiched between the lower end of the dispensing cylinder 114b and the opening member 140 described later.

The valve body 131a of the slit valve 130 is formed as a thin-walled member by a soft material such as rubber or elastomer. When a positive pressure is generated in the container body 102, the radial central portion of the valve body 131a is displaced upward and the slit 131b is opened to be in an open state. As a result, the contents in the accommodation space S of the container main body 102 can be discharged to the outside through the opening 140a, the gap of the slit 131b, and the pouring hole 114a. The shape of the slit 131b may be a shape other than a cross shape, for example, a curved shape, and the number of slits 131b may be one or three or more.

The opening member 140 includes an opening cylinder 140b forming an opening 140a that communicates the accommodation space S and the slit valve 130, an inclined wall 140f that is connected to the lower end of the opening cylinder 140b and is inclined upward toward the opening 140a, and an inclined wall. It has a flange portion 140c connected to the outer peripheral end of the 140f, a protruding wall 140d protruding upward from the outer peripheral end of the flange portion 140c, and an engaging protrusion 140e protruding radially outward from the outer peripheral surface of the protruding wall 140d. .. Then, while sandwiching the valve fixing portion 131d of the slit valve 130 between the upper surface of the inclined wall 140f and the lower end portion of the dispensing cylinder 114b, the engaging projection 140e is formed on the inner peripheral surface of the outer peripheral wall 111. The slit valve 130 and the opening member 140 are fixed to the cap body 110 by engaging the protrusion 112b with an undercut.

As shown in FIG. 3, the outer peripheral surface of the cylinder wall 141 of the opening member 140 is fitted to the inner peripheral surface of the fitting cylinder 119b hanging from the lower surface of the top wall 119, so that the opening member 140 is fitted to the cap body 110. Is positioned radially. Further, the slit valve 130 is positioned in the radial direction with respect to the opening member 140 by fitting the outer peripheral surface of the valve fixing portion 131d of the slit valve 130 to the inner peripheral surface of the cylinder wall 141. The opening member 140 is firmly held against the cap body 110 and the container body 102 by being sandwiched between the contact rib 111a formed on the inner peripheral surface of the cap body 110 and the upper end portion of the mouth portion 104a. It is fixed to.

Around the opening 140a, a plurality of ribs 142 that are intermittently provided in the circumferential direction and hang down toward the bottom of the container body 102 are formed. The rib 142 is formed along the lower surface of the inclined wall 140f. In the present embodiment, as shown in FIG. 4, the ribs 142 are provided at six positions at equal intervals in the circumferential direction. As will be described later, the plurality of ribs 142 keep the air introduced from the outside through the slit valve 130 as far as possible from the mouth portion 104a, and make it easy for the contents in the accommodation space S to gather from the outside in the radial direction toward the center. It has a function.

As shown in FIG. 3, the lid body 150 is connected to the outer peripheral wall 111 of the cap body 110 via a hinge 153h, and can cover the injection hole 114a. More specifically, the lid body 150 includes a flat plate-shaped upper wall 152 and a lid peripheral wall 153 that is connected to the outer edge portion of the upper wall 152 and whose outer peripheral surface is continuous with the outer peripheral wall 111. The inner peripheral surface of the lower portion of the lid peripheral wall 153 is configured to undercut engage with the engaging protrusion 119a formed at the outer peripheral end of the top wall 119 of the cap body 110. Further, on the lower surface of the upper wall 152, a tubular seal cylinder 154 is provided which fits on the outer peripheral surface of the injection cylinder 114b when the lid 150 is closed and seals the injection hole 114a. As shown in FIG. 3, a grip portion 153a is formed on the peripheral wall of the lid 153 at a position in the circumferential direction facing the hinge 153h. The grip portion 153a can be opened by the user rotating the lid body 150 around the hinge 153h while gripping the grip portion 153a.

The pressing portion 155 hangs down from the lower surface of the upper wall 152 of the lid 150 toward the slit valve 130. The pressing portion 155 penetrates the injection hole 114a in the closed state of the lid body 150 shown in FIG. 3, and the lower end portion thereof abuts on the valve body 131a portion of the slit valve 130 and presses the slit 131b slightly. It is configured to open. With this configuration, it is possible to suppress a problem that the contents adhere to the slit 131b portion of the slit valve 130 and solidify, so that the slits 131b stick to each other and cannot be opened.

When discharging the contents from the container cap 101 configured as described above, the user rotates the lid 150 around the hinge 153h while gripping the grip portion 153a from the state shown in FIG. 3 to open the contents. Next, the user rotates the container body 102 from the upright state shown in FIG. 3 by 90 degrees or more around the rotation axis perpendicular to the paper surface while grasping the body portion 104c of the container body 102, and the pouring hole 114a is formed. The inverted operation is performed so that the container body 102 is lowered from the bottom of the container body 102. By this inverted operation, the contents in the accommodation space S move from the bottom to the mouth 104a, and the air in the accommodation space S conversely moves toward the bottom of the container body 102.

Next, the user squeezes the body portion 104c of the container body 102 for pouring out the contents. The squeeze of the body portion 104c increases the pressure in the container body 102 to generate a positive pressure. Due to this positive pressure, the valve body 131a of the slit valve 130 is elastically deformed upward, so that the slit 131b is opened and the slit valve 130 is opened. The contents that have moved from the bottom of the container body 102 to the mouth 104a are discharged to the outside via the opening 140a, the slit valve 130, and the pouring hole 114a.

When the discharge of the contents is completed, the user releases the squeeze of the body portion 104c of the container body 102. As a result, the slit valve 130 is restored to its original shape due to its own rigidity and is closed. Further, since the body portion 104c of the container body 102 is restored to its original shape due to its own rigidity, a negative pressure is generated in the container body 102. Since the slit valve 130 is elastically deformed downward (toward the container body 102) and opened again due to this negative pressure (see the shape of the slit valve 130 shown by the solid line in FIG. 5), the slit valve 130 is opened from the outside through the gap of the slit 131b. Air is introduced into the container body 102. In the present embodiment, since a plurality of ribs 142 extending from the periphery of the opening 140a toward the bottom of the container body 102 are provided, the flow near the wall surface including the ribs 142 as shown by the broken lines in FIGS. 5 and 6 is provided. It is difficult for air to enter the area with poor sex. That is, the air introduced from the slit valve 130 is difficult to spread outward in the radial direction due to the presence of the rib 142, and is taken in while having an elongated shape toward the bottom of the container body 102 as shown by the white arrow in FIG. .. Therefore, in the present embodiment, the air introduced from the slit valve 130 can be further separated from the mouth portion 104a as compared with the first embodiment. Therefore, even when the user tries to squeeze the body 104c again and continuously discharge the body immediately after releasing the squeeze of the body 104c, the amount of air discharged together with the contents can be relatively reduced. Therefore, it is possible to suppress the vibration of the valve body 31a at the time of continuous discharge, and reduce unpleasant sounds and scattering of contents.

Further, in the present embodiment, as in the first embodiment, the injection hole 114a is arranged directly above the slit valve 130. Therefore, when the valve body 131a of the slit valve 130 is displaced upward due to the positive pressure in the container body 102, the displacement of the valve body 131a is regulated by abutting on the top wall 114c forming the injection hole 114a. That is, also in the present embodiment, the top wall 114c forming the injection hole 114a functions as a regulating member for restricting the upward displacement of the valve body 131a of the slit valve 130.

As described above, in the present embodiment, the container cap 101, which has a bottle shape having a mouth portion 104a, a body portion 104c, and a bottom portion and is attached to the container body 102 forming the content storage space S, has a storage space. The cap body 110 having an opening 140a leading to S and being attached to the mouth portion 104a and the opening 140a are closed and opened by the positive pressure in the accommodation space S to eject the contents in the accommodation space S. It is configured to include a slit valve 130 and a regulating member that restricts the upward movement of the valve body 131a when the slit valve 130 is opened. As a result, even if the user tries to continuously discharge the contents and air is discharged from the slit valve 130 together with the contents, a restricting member for suppressing excessive displacement of the slit valve 130 is provided, so that the slit valve 130 is provided. It is possible to suppress the generation of unpleasant sounds caused by the excessive vibration of the air and the scattering of the contents. In particular, in the present embodiment, since a plurality of ribs 142 that are intermittently provided around the opening 140a in the circumferential direction and hang down toward the bottom of the container body 102 are formed, the air introduced from the slit valve 130 is introduced in the radial direction. It can be kept away from the mouth portion 104a by forming it elongated toward the bottom of the container body 102 without spreading it outward. Therefore, even when the user tries to continuously discharge the contents, the amount of air discharged together with the contents can be reduced, so that the vibration of the valve body 31a can be further suppressed, and an unpleasant sound or the contents can be discharged. Scattering can be reduced more effectively.

Further, in the present embodiment, the rib 142 is configured to be provided on the lower surface (inclined surface) of the inclined wall 140f that inclines upward toward the opening 140a. As a result, in the tilted posture of the container body 2 shown in FIG. 5, the air introduced from the slit valve 130 is formed into an elongated shape by the rib 142 without spreading outward in the radial direction, and is kept away from the mouth portion 104a and in the accommodation space S. The contents can be collected radially inward along the sloping wall 140f and further guided to the opening 140a through the space between the ribs 142. As a result, even when the user tries to continuously discharge the contents, the amount of air discharged together with the contents can be further reduced, so that the vibration of the valve body 31a is further suppressed, and an unpleasant sound or an unpleasant sound is generated. It is possible to more effectively reduce the scattering of the contents.

In the present embodiment, the ribs 142 are formed at six locations in the circumferential direction around the opening 140a at equal intervals, but the present invention is not limited to this embodiment. Only a plurality of ribs 142 can be provided.

Further, in the present embodiment, the rib 142 is formed in the opening member 140, but the present invention is not limited to this embodiment. The rib 142 can be incorporated into any other member such as integrally formed with the cap body 110, or may be configured independently.

Although the present invention has been described with reference to the drawings and examples, it should be noted that those skilled in the art can easily make various modifications and modifications based on the present disclosure. Therefore, it should be noted that these modifications and modifications are included in the scope of the present invention. For example, the functions included in each component can be rearranged so as not to be logically inconsistent, and a plurality of components can be combined or divided into one. It should be understood that these are also included in the scope of the present invention.

1 Container cap 2 Container body 4a Mouth part 4b Male thread part 4c Body part 10 Cap body 11 Outer peripheral wall 12a Female thread part 14a Injection hole 14b Injection cylinder 14c Top wall (regulatory member)
19 Top wall 19a Engagement protrusion 19b Engagement protrusion 19d Protrusion 30 Slit valve 31a Valve body 31b Slit 31c Circumferential wall 31d Valve fixing part 40 Opening member 40a Opening 40b Opening cylinder 40c Flange part 40d Engagement wall 40e Engagement protrusion 50 Body 52 Upper wall 53 Lid body peripheral wall 53a Grip part 53h Hinge 54 Seal tube 55 Pressing part 101 Container cap 102 Container body 104a Mouth part 104b Male thread part 104c Body part 110 Cap body 111 Outer wall 111a Abutment rib 112a Female thread part 112b Collision part 114a Injection hole 114b Injection cylinder 114c Top wall (regulatory member)
119 Top wall 119a Engagement protrusion 119b Fitting cylinder 130 Slit valve 131a Valve body 131b Slit 131c Circumferential wall 131d Valve fixing part 140 Opening member 140a Opening 140b Opening cylinder 140c Flange part 140d Protrusion wall 140e Engagement protrusion 140f Inclined wall )
140g Protrusion 141 Cylindrical wall 142 Rib 150 Closure 152 Upper wall 153 Closure peripheral wall 153a Grip part 153h Hinge 154 Seal cylinder 155 Pressing part S Storage space

Claims (3)

A container cap that has a bottle shape with a mouth, body, and bottom, and is attached to the container body that forms a storage space for the contents.
A cap body that has an eclipse-cylindrical shape and has an opening leading to the accommodation space and is attached to the mouth.
A slit valve that closes the opening and is opened by a positive pressure in the accommodation space to discharge the contents in the accommodation space.
It is provided with a regulating member that regulates the upward movement of the valve body of the slit valve when the slit valve is opened.
The regulating member is a member forming an injection hole integrally formed in the cap body .
A container cap characterized by having a plurality of ribs intermittently provided in the circumferential direction and hanging toward the bottom thereof around the opening . The container cap according to claim 1, further comprising a lid that covers the slit valve from above, the lid having a pressing portion that presses the slit valve from above. The container cap according to claim 1, wherein the rib is provided on an inclined surface that inclines upward toward the opening.

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