JP5522691B2 - Pouring lid - Google Patents

Description

  The present invention relates to a dispensing lid with a spout used as a lid for a container.

The top cover of the tube lid is screwed onto the outer surface of the mouth neck that rises from the upper end of the peripheral wall of the container body through the shoulder, and a spout is provided on the peripheral surface of the tube cover, and further, the bottom of the mouth neck is closed. A bottle cap with a spout is known as a prior art in which a break line is formed in the bottom wall and a pull ring is erected from the bottom wall portion inside the break line.

Japanese Utility Model Publication No. 61-26052

In the prior art, after removing the bottom wall of the mouth and neck by breaking the break line with a pull ring, the container body is tilted to allow the liquid to be poured out from the spout, but the communication between the container body and the spout is blocked. This means that when the container body falls down, the liquid spills out from the spout, and the amount of liquid flowing out from the removed bottom wall of the mouth and neck is adjusted during discharge. There is a problem that the discharge amount is increased because the discharge is performed directly from the outlet.

The present invention has been made to solve the above problems, and can prevent liquid from spilling from the spout even if the container body falls down, and can adjust the discharge amount of the liquid from the spout to an appropriate amount. The purpose is to provide a simple extraction lid.

In order to solve the above-mentioned problems, the present invention comprises a pouring body (20) with a spout (23) that is detachably fitted to the upper outer surface of the container body (2).
A pouring tube (8) standing up from the upper part of the container body and having an upper end portion in watertight contact with the inner surface of the portion of the pouring body (20) below the pouring port (23);
The peripheral portion of the pressing body (30) that closes the upper surface of the extraction body (20) is formed in an elastically deformable portion (32) that can be elastically deformed, and a seal cylinder (33) is formed from the central portion of the pressing body (30). ) And is fitted to the inner surface of the dispensing cylinder (8) in a watertight manner so that the communication between the container body (2) and the outlet (23) can be cut off.
A protrusion (36) is provided on the outer surface of the seal tube (33) or the inner surface of the dispensing tube (8)
By the pressing of the pressing body (30), the seal cylinder (33) is lowered and fitted to the inner surface of the dispensing cylinder (8) via the protrusion (36), whereby the seal cylinder (33) Between the outer surface and the inner surface of the pouring tube (8), a flow path that allows the inside of the container body (2) and the pouring port (23) to communicate with each other is provided.

In the present invention, the lower portion of the pouring tube (8) is closed with a closing wall (9), a breaking line (10) is provided at the peripheral edge of the closing wall, and the inner side of the breaking line (10) is provided. The pull ring (11) is erected from the closed wall (9) portion of.

Further, according to the present invention, the pressing body (30) has an inward flange shape from an upper end portion of a fitting cylinder (31) fitted to the outer surface of the pouring body (20) above the spout (23). The seal cylinder (33) is suspended via the elastic deformation portion (32), the inner peripheral portion of the elastic deformation portion (32) is formed in an annular ridge (34), and the protrusion (36) Is formed on the outer surface of the seal cylinder (33) with long protrusions provided in the circumferential direction at intervals in the circumferential direction, and the protrusions are lowered when the seal cylinder (33) is lowered by the pressing of the pressing body (30). The seal cylinder (33) is provided so that the diameter can be reduced by contacting the inner surface of the extraction cylinder (8).

Further, according to the present invention, the protrusion (36) is formed by a vertically long protrusion provided on the inner surface of the dispensing tube (8) at intervals in the circumferential direction, and the pressing body (30) is pressed. The seal cylinder (33) is provided so that the diameter of the seal cylinder (33) can be reduced when the seal cylinder (33) rides on the protrusion when the seal cylinder (33) is lowered.

Furthermore, the present invention is characterized in that the pressing body (30) and the extraction body (20) are integrally formed by insert molding.

  In the present invention, since the seal cylinder is suspended from the pressing body and fitted to the inner surface of the extraction cylinder in a watertight manner, even if the container body falls down, the liquid is formed by the extraction cylinder and the seal cylinder. In other words, the liquid cannot be spilled from the spout because the communication between the container body and the spout is blocked.

Further, the present invention provides a container body between the outer surface of the sealing cylinder and the inner surface of the dispensing cylinder by lowering the sealing cylinder and fitting it into the inner surface of the dispensing cylinder via a protrusion when the liquid is dispensed. Since the flow path that communicates with the spout is provided so that the liquid from the container body is not poured out from the spout in the same amount, there is a gap between the outer surface of the seal cylinder and the inner surface of the spout cylinder. Since the amount of extraction is reduced by passing, the amount of extraction can be adjusted to an appropriate amount.

It is a longitudinal cross-sectional view of the extraction lid which concerns on this invention. FIG. 2 is an operation explanatory diagram of FIG. 1. It is a longitudinal cross-sectional view of 2nd Embodiment. FIG. 3 is an operation explanatory diagram of FIG. 2. It is a longitudinal cross-sectional view of 3rd Embodiment. It is a longitudinal cross-sectional view of 4th Embodiment.

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

  In FIG. 1, reference numeral 1 denotes a cap body. A flange 5 is attached to the upper end of a fitting cylinder 4 that is undercut fitted to the outer surface of the mouth and neck portion 3 of the container body 2, and a base cylinder 6 is erected on the inner periphery of the flange 5. At the same time, a male screw is formed on the outer surface of the base tube 6, and the seal portion is suspended from below the base tube 6 to closely fit the inner periphery of the container body 2. Further, an inward flange 7 is provided at the upper end of the base tube 6, and a pouring cylinder 8 made of a taper cylinder having a small diameter is provided on the inner periphery of the inward flange 7, and the pouring cylinder 8 above the inward flange 7. Is bent outwardly in a circular arc shape, and its tip is brought into watertight contact with the inner surface of the later-described extraction body 20, that is, the inner surface of the standing cylinder 22 below the pair of outlets 23 and 23.

  Further, the lower inner periphery of the pouring cylinder 8 is closed with the blocking wall 9, the breaking line 10 is formed at the peripheral edge of the blocking wall 9, and the pull ring 11 is erected from the blocking wall portion inside the breaking line 10.

Reference numeral 20 denotes a pouring body, and an upright cylinder 22 is erected from the upper end of a rotating cylinder 21 that is rotatably fitted to the outer surface of the fitting cylinder 4 via a flange, and the inner surface of the upright cylinder 22 is the outer surface of the base cylinder 6. And a pair of spouts 23, 23 projecting at an axially symmetric position S on the top of the upright cylinder 22 so that one serves as a spout and the other serves as an air inlet. Further, the opening diameters of the pair of outlets 23 and 23 may be different from each other so that the amount of extraction can be selected. In addition, it is preferable that the weakening part 25 is provided in the middle part of the rotation cylinder 21 at intervals to have a virgin function.
As a specific virgin mechanism, a breakable ring body 26 is provided below the weakening portion 25 of the rotating cylinder 21, a first engagement portion 27 is provided around the inner surface of the ring body 26, and the fitting cylinder 4 is provided on the outer surface. A second engagement portion 28 is provided around the periphery.
When the extraction body 20 is rotated and opened (the extraction body rises), the first engagement portion 27 on the inner surface of the ring body 26 engages with the second engagement portion 28 on the outer surface of the fitting cylinder 4, The weakened portion 25 is broken.

Reference numeral 30 denotes a pressing body, and an inward flange-like elastic deformation portion 32 is formed from the upper end portion of the fitting cylinder 31 that is fitted (undercut fitting or the like) to the outer surface of the extraction body 20 above the pair of outlets 23 and 23. And the outer surface of the lower end portion of the seal tube 33 is water-tightly fitted to the inner surface of the extraction tube 8, and the inner peripheral portion of the elastically deformable portion 32 is formed in the annular raised portion 34. Is placed on the upper end of the extraction body 20, and the upper surface of the seal cylinder 33 is closed with a spherical (dome-shaped) top wall portion 35 that protrudes upward.
The pressing body 30 is preferably made of a soft material such as an elastomer.

  A plurality of protrusions 36 are formed on the outer surface of the seal cylinder 33 which are elongated in the vertical direction at intervals in the circumferential direction, and the lower end of the protrusion 36 is poured out when the seal cylinder 33 is lowered when the top wall 35 is initially pressed. It is provided so as to be able to contact the tube 8. The lower end surface of the protrusion 36 is preferably formed in a tapered shape whose inner side is lower than the outer side.

Next, the operation will be described.
In order to pour out the liquid, first, the pouring body 20 is rotated to break the weakened portion 25 so as to be screwed off from the base tube 6 of the cap body 1, and the pull ring 11 is pulled up to break the broken line. 10 is broken and the blocking wall 9 inside the breaking line 10 is removed, and then the pouring body 20 is screwed into the base tube 6 again. The sealing cylinder 33 comes into contact (fitting) with the inner surface of the dispensing cylinder 8 by screwing. However, since the dispensing cylinder 8 has a tapered shape with a small diameter on the lower side, good sealing performance is ensured.

  Then, the top wall 35 of the pressing body 30 may be pressed while the container body 2 is tilted, or the container body 2 may be tilted while the top wall 35 of the pressing body 30 is pressed. 2, the seal cylinder 33 is lowered, and the protrusion 36 contacts the extraction cylinder 8. As a result, the diameter of the seal cylinder 33 is reduced, and a gap as a flow path is formed between the outer peripheral surface of the seal cylinder 33 and the inner peripheral surface of the dispensing cylinder 8. The liquid in the container body is discharged from one of the pair of outlets 23 and 23 through this flow path, and air is sucked from the other. Since the dispensing cylinder 8 is tapered, the projection 36 is smoothly guided into the dispensing cylinder 8 and the diameter of the seal cylinder 33 is smoothly reduced.

  After the dispensing, the pressing of the top wall portion 35 of the pressing body 30 may be released. Then, the sealing cylinder 33 is lifted by the elastic force of the elastic deformation portion 32, and the protrusion 36 is detached from the dispensing cylinder 8, and the seal The tube 33 is in watertight contact with the dispensing tube 8.

  3 and 4 show a second embodiment. The position of the protrusion 36 is different from that of the first embodiment. That is, in this embodiment, the protrusions 36 are provided on the inner surface (formed at intervals in the circumferential direction) of the dispensing cylinder 8. In order to dispense, the top wall 35 of the pressing body 30 may be pressed in the same manner as in the first embodiment. Then, the seal cylinder 33 descends and rides on the protrusion 36 while reducing its diameter. A gap as a flow path is formed between the outlet cylinder 8.

After the pouring, the pressing of the top wall portion 35 of the pressing body 30 may be released. Then, the sealing cylinder 33 is lifted by the elastic force of the elastic deformation portion 32 and is separated from the projection 36 so that the pouring cylinder 8 is watertight. To touch. The upper end surface of the protrusion 36 is preferably formed on an inclined surface whose inner side is lower than the outer side. Since other configurations are the same as those of the first embodiment, description thereof is omitted.

FIG. 5 shows a third embodiment. In the first and second embodiments, the extraction body 20 and the pressing body 30 are formed separately, and after molding, the fitting cylinder 31 of the pressing body 30 is fitted to the upper end portion of the extraction body 20. In this embodiment, one of the pressing body 30 and the dispensing body 20 is manufactured by insert molding in which the other molding material is injected into the mold in a state where the other is inserted in the mold in advance.
In addition, the structure which insert-molds integrally the pressing body 30 with soft materials, such as an elastomer, and the extraction body 20 with resin, such as a polypropylene, is preferable.
Since other configurations are the same as those of the first embodiment, description thereof is omitted.

FIG. 6 shows a fourth embodiment. In this embodiment, the pressing body 30 and the extraction body 20 are manufactured by integral molding. Since other configurations are the same as those of the first embodiment, description thereof is omitted.

In addition, although the specific material of the press body 30 and the extraction body 20 is mentioned above, it is not limited to this, A suitable material can be selected according to specific conditions. In the embodiment shown in FIGS. 5 and 6, the protrusion 36 is provided on the outer surface of the seal cylinder 33 as in the first embodiment. However, as in the embodiment shown in FIGS. It is also possible to provide on the inner surface of 8. Furthermore, although the extraction | pouring body 20 is screwed together by the cap main body 1 in the above, it can also employ | adopt not only this but the fitting means by the detachable undercut. Furthermore, the protrusions 36 are provided on the outer surface of the seal cylinder 33 or the inner surface of the dispensing cylinder 8 at intervals in the circumferential direction. By changing the interval between the protrusions 36, the contents in the container body can be poured. The amount can be adjusted.

  The present invention can be used in the field of a dispensing lid with a spout used as a container lid.

DESCRIPTION OF SYMBOLS 1 Cap main body 2 Container main body 6 Base cylinder 8 Outlet cylinder 9 Closure wall 10 Break line 11 Pull ring 20 Outlet body 22 Standing cylinder 23 Outlet 30 Press body 31 Fitting cylinder 32 Elastic deformation part 33 Seal cylinder 34 Annular protruding part 35 Top wall 36 Projection

Claims (5)

A pouring body (20) with a spout (23) detachably fitted to the upper outer surface of the container body (2);
A pouring tube (8) standing up from the upper part of the container body and having an upper end portion in watertight contact with the inner surface of the portion of the pouring body (20) below the pouring port (23);
The peripheral portion of the pressing body (30) that closes the upper surface of the extraction body (20) is formed in an elastically deformable portion (32) that can be elastically deformed, and a seal cylinder (33) is formed from the central portion of the pressing body (30). ) And is fitted to the inner surface of the dispensing cylinder (8) in a watertight manner so that the communication between the container body (2) and the outlet (23) can be cut off.
A protrusion (36) is provided on the outer surface of the seal tube (33) or the inner surface of the dispensing tube (8)
By the pressing of the pressing body (30), the seal cylinder (33) is lowered and fitted to the inner surface of the dispensing cylinder (8) via the protrusion (36), whereby the seal cylinder (33) A pouring lid, characterized in that a flow passage is provided between the outer surface and the inner surface of the pouring tube (8) so as to allow communication between the inside of the container main body (2) and the pouring port (23). The lower part of the pouring tube (8) is closed with a closing wall (9), a breaking line (10) is provided at the peripheral edge of the closing wall, and a closing wall (9) inside the breaking line (10). 2. The extraction lid according to claim 1, wherein the pull ring (11) is erected from the portion.   The pressing body (30) has an inward flange-like elastic deformation portion (32) from the upper end portion of a fitting cylinder (31) fitted to the outer surface of the pouring body (20) above the spout (23). The seal tube (33) is suspended via the inner periphery of the elastic deformation portion (32), and the projecting portion (36) is further formed on the seal tube (33). ) It is formed with a long ridge in the vertical direction provided on the outer surface at intervals in the circumferential direction, and the ridge is moved down by the pressing body (30) by the downward movement of the seal cylinder (33). 8) The dispensing lid according to claim 1 or 2, wherein the sealing cylinder (33) is provided so as to be able to reduce the diameter by contacting the inner surface.   The protrusion (36) is formed by a vertically long protrusion provided on the inner surface of the extraction tube (8) at intervals in the circumferential direction, and the seal tube (33) is pressed by the pressing body (30). 4. The pouring according to any one of claims 1 to 3, wherein the seal cylinder (33) is provided so that the diameter of the seal cylinder (33) can be reduced when the seal cylinder (33) rides on the ridge when descending. lid. The extraction lid according to any one of claims 1 to 4, wherein the pressing body (30) and the extraction body (20) are integrally formed by insert molding.