JP5567431B2 - Cap with inner plug - Google Patents

Description

  The present invention relates to a cap with an inner stopper suitable for mounting on the mouth and neck of a refill type container that is filled with the contents for refilling in particular, and is intended to realize a simple replacement of the cap. is there.

  Containers that are filled with shampoo, rinse, kitchen detergent or disinfectant, etc. are used, and after the contents in the container are used up, the contents sold separately are refilled and the existing containers are reused as they are As a container filled with the contents for refilling, a bag-shaped item such as a pouch is applied.

  By the way, the container filled with the contents for refilling has a problem that it spills out during refilling of the contents because there is no waist for not only the main body part but also the spout for dispensing the contents. In order to increase the strength, the device has been devised to increase the thickness locally, and if the contents remain, attach a screw-on cap so that it can be stored as it is. However, this type of container is usually discarded when the contents have been refilled, and the thickening of the spout and the application of a screw-in cap are also effective for effective use of resources. The current situation is not useful.

  As a container that attempts to eliminate such a conventional defect, a refill container is known in which a screw-in type inner stopper is provided at the mouth of the container, and the inner stopper can be appropriately removed and reused (for example, , See Patent Document 1).

Utility Model Registration No. 2548506

  The conventional refill container in which the inner stopper is screwed into the mouth of the container is certainly useful from the viewpoint of effective use of resources since the inner stopper can be reused, but its removal is troublesome and is troublesome. There was still room for improvement because problems such as the contents adhering to the inner plug stuck to the fingers were unavoidable. The subject of this invention exists in the place which proposes the cap with an inside plug which can perform attachment and removal simply.

The present invention has an inner stopper that is fitted and held in the mouth and neck of the container and that dispenses the contents in the container through the outlet hole, and a storage space that surrounds the inner stopper together with the mouth and neck of the container. A cap with an inner plug provided with a cover that closes the pouring hole by bringing a convex portion in the storage space into contact with the pouring hole of the inner plug by screwing to the neck,
The inner plug is provided with a flange portion protruding toward the outer edge of the inner plug,
The cover is provided with an elastic arm that is provided at each facing position and is linked to the flange portion by pushing inward from the outside ,
The elastic arm has a fixed end integrally connected at the upper part of the peripheral wall of the cover and a free end located at the lower part of the peripheral wall of the cover, and has a cantilever support type tongue having the same outer surface as the outer surface of the peripheral wall It consists of a piece, integrated with the cover,
It is a cap with an inside plug characterized by having a claw part which can be linked to the lower edge of the flange part on the inner wall surface of the tongue piece .

  By linking the elastic arms respectively provided at the opposing positions of the cover to the flange portion of the inner plug, the inner plug can be removed only by removing the cover (no troublesome operation is required), and fingers are not soiled. In addition, it is possible to realize a separate collection in which the inner stopper is removed from the mouth and neck of the container and discarded.

  A tongue of a cantilever support type having a fixed end integrally connecting the elastic arm at an upper part of the peripheral wall of the cover and a free end located at a lower part of the peripheral wall of the cover, and having the same outer surface as the outer surface of the peripheral wall Since it comprises a piece and a claw portion that can be linked to the lower edge of the flange portion is provided on the inner wall surface of the tongue piece, the structure is simple and integration with the cover is possible.

It is the figure which showed embodiment of the cap with an inside stopper according to this invention in the cross section. It is the figure which showed the plane (upper surface) of the cap shown in FIG. It is an external appearance perspective view of the cap shown in FIG. It is the figure which showed the removal condition of the cap shown in FIG.

Hereinafter, the present invention will be described more specifically with reference to the drawings.
FIGS. 1 to 3 are views showing an embodiment of a cap with an inner stopper according to the present invention, FIG. 1 is a view showing a cross section of the cap, and FIG. 2 is a plan view of the cap shown in FIG. FIG. 3 is an external perspective view of the cap shown in FIG.

  Reference numeral 1 in the figure denotes a container that stores contents. The container 1 has a mouth / neck portion 1a at the top thereof. Reference numeral 2 denotes an inner stopper fitted to the mouth / neck portion 1 a of the container 1. The inner plug 2 has a top plate 2a that covers the mouth / neck portion 1a and has a pouring hole h at the center thereof, and an inner / outer double hanging system that is suspended from the lower surface of the top plate 2a and closely contacts the inner and outer walls of the mouth / neck portion 1a. The cylinder 2b, 2c, and a flange portion 2d that is integrally connected to the edge of the top plate 2a and protrudes in the radial direction of the top plate 2a.

  The drooping cylinders 2b and 2c form an annular groove portion opened downward between them, and the inner stopper is formed by fitting the mouth neck portion 1a of the container 1 into the annular groove portion by means such as an undercut. 2 is fixed.

3 is a cover screwed by the outer peripheral wall of the mouth-and-neck part 1a. The cover 3 surrounds the entire circumference of the mouth-and-neck portion 1a and has a peripheral wall 3a having a threaded portion n that can be engaged with the threaded portion 1b of the mouth-and-neck portion 1a. It is comprised from the top wall 3b which forms the storage space of the stopper 2 and the mouth neck part 1a. The peripheral wall 3a is formed by a small-diameter peripheral wall 3a ₁ including the top wall 3b and a large-diameter peripheral wall 3a ₂ that is integrally connected to the lower end of the small-diameter peripheral wall 3a ₁ and forms a step therebetween. When removing only the large-diameter peripheral wall 3a ₂ , the rotation of the cover 3 is guided.

  Reference numeral 4 denotes a seal member formed of, for example, a soft member disposed in the storage space of the cover 3. The seal member 4 is in close contact with the lower surface of the top wall 3a of the cover 3 and has a disk-like base portion 4a whose edge is detachably linked to the peripheral wall 3a of the cover 3 by an engagement means such as an undercut. A positioning projection 4b that is integrally connected to the lower surface of the base portion 4a and abuts against the top plate 2a of the inner plug 2 and a pouring hole h of the inner plug 2 provided at the center of the lower surface of the base portion 4a. It consists of the convex part 4c which obstruct | occludes the hole h.

  Reference numeral 5 denotes an elastic arm provided at a position facing the peripheral wall 3 a of the cover 3. The elastic arm 5 has a fixed end at the upper part of the peripheral wall of the cover 3 as a fixed end and a free end located at the lower part of the peripheral wall of the cover 3. )), And the inner wall surface of the tongue piece 5a is provided in the vicinity of the lower end surface of the flange portion 2d with the cover 3 attached to the mouth-and-neck portion 1a. The nail | claw part 5b which is located is provided, and the protrusion 5c for finger hooking is provided in the outer wall surface of the free end.

  According to the present invention, when the cap with the inner plug is screwed to the mouth neck portion 1a of the container 1, the convex portion 4c of the seal member 4 blocks the pouring hole h of the inner plug 2 as shown in FIG. Even if the container is inverted, the contents will not spill out.

  When the contents in the container 1 are used up and the inner plug 2 is replaced, the elastic arm 5 is pushed inward from the outside of the peripheral wall 3a to be elastically deformed, and the cover 3 is kept while maintaining its posture as it is. Rotate. Then, as shown in FIG. 4, the claw portion 5 b of the elastic arm 5 is linked to the lower edge portion of the flange portion 2 d of the inner plug 2, and the inner plug 2 is pulled upward as the cover 3 rotates.

  The cap with the inner plug according to the present invention can be easily removed without touching the finger directly, and the elastic arm 5 is configured as an integral unit integrally connected to the peripheral wall 3a of the cover 3. Therefore, the structure is not complicated.

  Although the seal member 4 is shown as a separate member from the cover 3 in the embodiment, the seal member 4 may be provided integrally with the cover 3, and this point is not limited.

  When the sealing member 4 cannot be firmly fixed only by engagement by undercut, it can be bonded by an adhesive or can be fixed by welding.

  The elastic arm 5 is shown as a cantilever-type tongue piece 5a. However, the elastic arm 5 may be a both-end support type as long as the elastic arm 5 can be elastically deformed. The format can be changed as appropriate.

  The claw portion 5b can be constituted by an annular member linked to the entire circumference of the flange portion 2d, but a plurality of protrusions may be arranged at intervals.

  It is possible to provide a cap with an inner stopper that can be securely fixed at the mouth and neck of the container and can be easily removed when changing to another container.

DESCRIPTION OF SYMBOLS 1 Container 1a Mouth neck part 2 Inner plug 2a Top plate 2b Drooping cylinder 2c Drooping cylinder 2d Flange part 3 Cover 3a Perimeter wall 3b Top wall 4 Sealing member 4a Base part 4b Projection 4c Projection part 5 Elastic arm 5a Tongue piece 5b Claw part 5c Projection h Note Exit hole

Claims (1)

An inner plug that is fitted and held in the mouth and neck of the container and that dispenses the contents in the container through the outlet hole, and a storage space that surrounds the inner stopper together with the mouth and neck of the container. A cap with an inner stopper provided with a cover that closes the outlet hole by bringing a convex portion in the storage space into contact with the outlet hole of the inner stopper by stopping;
The inner plug is provided with a flange portion protruding toward the outer edge of the inner plug,
The cover is provided with an elastic arm that is provided at each facing position and is linked to the flange portion by pushing inward from the outside ,
The elastic arm has a fixed end integrally connected at the upper part of the peripheral wall of the cover and a free end located at the lower part of the peripheral wall of the cover, and has a cantilever support type tongue having the same outer surface as the outer surface of the peripheral wall It consists of a piece, integrated with the cover,
A cap with an inner plug, characterized in that the inner wall surface of the tongue piece has a claw portion that can be linked to the lower edge of the flange portion .

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