JP4697740B2 - Airtight container with lid - Google Patents

Description

  The present invention relates to a highly airtight container with a lid.

The upper surface of the container body is closed with a lid, and the outlet port formed in the center of the lid is closed with a lid plate that is pivotally attached to the upper surface of the rear portion of the lid in the opening direction. There is known a container with a lid plate in which the lid plate is freely opened and closed with a locking device provided at the front portion and the lid front portion (Patent Document 1).
JP 2001-97421 A.

  In the present invention, the container with a cover plate as described above is formed as a highly airtight container so that the stored items stored in the container are less oxidized and can be kept fresh for a long time. .

As a first means, a take-out port 7 drilled in the central portion of the top wall 6 of the cap body 4 screwed into the neck portion of the container body 1 is urged in the direction of opening the lid on the upper surface of the rear portion of the top wall and pivoted. The lid plate 11 is closed with the lid plate 11, and the lid plate with which the lid plate can be freely opened and closed by the locking device 12 provided at the front portion of the lid plate and the front portion of the top wall,
The first seal cylinder 8 is erected from the peripheral edge of the outlet, and an elastic second seal cylinder 21 that can be airtightly fitted to the first seal cylinder is directly or indirectly attached to the lower surface of the lid plate 11.
Further, a packing-use spring member 45 that covers the lower surface and the inner surface of the ring 41 with an elastic plate 42 to form a packing portion 43 and the inner surface covering portion extends upward to form a plate spring portion 44 is provided. The packing portion 43 is fitted between the first short cylinder 9 suspended from the outer peripheral portion of the cap and the upper portion of the cap body peripheral wall, and the leaf spring portion 44 is passed through the top wall 6 to stand up. The plate 11 was urged in the opening direction.

As a second means, the first means is provided, and the second short cylinder 23 is suspended from the outer periphery of the ring-shaped plate 22 and is moved upward and outward through an outward flange 24 attached to the lower end of the second short cylinder. The elastic member 25 that erects the elastic second seal cylinder 21 that expands and the disk 26 are integrally formed by insert molding them together in a state where the ring-shaped plate 22 is superposed on the outer periphery of the disk. Without first seal member 27,
A second locking cylinder 28 erected from the disk 26 is fitted to a first locking cylinder 29 suspended from the lower surface of the center of the lid plate 11, and a second short cylinder 30 suspended from the lid plate 11 is attached. Was fitted to the outer surface of the second short cylinder 23.

  As a third means, the elastic member 25 having the first means and expanding downward from the outer periphery of the ring-shaped plate 22 to hang down the elastic second seal cylinder 21, and the disc 26, In a state in which the inner peripheral portion of the ring-shaped plate 22 is overlapped with the outer peripheral portion of the disc, these are integrally formed by insert molding to form a second seal member 54, which is a first suspended from the lower surface of the central portion of the lid plate 11. The second locking cylinder 28 erected from the disk was fitted into the locking cylinder 29 so that it could not be dropped.

  The fourth means includes the first or second locking cylinder 29 suspended from the lid plate 11 and the second locking cylinder 28 erected from the circular plate 26 while having the second or third means. The two locking cylinders 28 cannot be removed from the first locking cylinder 29 by loosely fitting the both cylinders and engaging the engaging protrusions attached to the tips of the both cylinders.

  According to the first aspect, the take-out port 7 of the cap body top wall 6 includes the first seal cylinder 8 and the elastic second seal cylinder 21, and the container body mouth neck upper end surface and the top of the cap body. The packing portions 43 are hermetically closed between the wall 6 and the inside of the container can be kept airtight. The packing part is formed by integrally attaching an elastic plate 42 to the lower surface of the ring 41 by insert molding. Therefore, when tightening the cap body, the elastic plate 42 on the lower surface of the ring is connected to the upper end surface of the container neck and the top wall of the cap body It is possible to raise the sealing plate.

  According to the second aspect of the present invention, the first seal member 27 is formed by integrally inserting the inner surface of the first seal cylinder 8, the elastic member 25, and the circular plate 26 erected from the periphery of the outlet. The elastic second seal cylinder 21 is opened and closed, so that it is easy to close the airtightly. Further, since the third short cylinder 30 suspended from the lower surface of the cover plate 11 is fitted to the outer surface of the second short cylinder 30, the elastic second seal cylinder 21 is fitted to the inner surface of the first seal cylinder 8. At this time, the outward flange 24 connecting the lower end of the second short cylinder 30 and the lower end of the elastic second seal cylinder 21 contacts the lower surface of the third short cylinder 30 to prevent the elastic second seal cylinder 21 from rising. Therefore, the elastic second seal cylinder 21 and the first seal cylinder 8 are securely fitted, and airtightness is improved.

  According to the third aspect, the elastic second seal cylinder 21 is expanded downward and downward, so that the elastic second seal cylinder 21 and the first seal cylinder 8 are fitted with improved airtightness. I can do it.

  According to the fourth aspect, the first locking cylinder 29 suspended from the cover plate 11 and the second locking cylinder 28 erected from the disk 26 can be slightly slid in the vertical direction. The first seal cylinder 8 and the elastic second seal cylinder, and the first seal cylinder 8 and the elastic second seal cylinder 21 can be fitted without difficulty, and airtight fitting can be reliably performed. I can do it.

  The drawings will be described below. First, a conventional well-known matter will be briefly described. Reference numeral 1 denotes a container body having the upper part of the peripheral wall 2 as a cap screwing neck part 3, and the peripheral wall 5 of the cap body 4 is screwed to the outer surface of the mouth neck part. The cap main body top wall 6 opens as a take-out port 7 at the center, and a first seal cylinder 8 is erected from the periphery of the opening. The first short cylinder 9 is suspended from the inner surface of the peripheral wall with a gap for packing fitting.

  A lid plate 11 for opening and closing the take-out port 7 is pivotally mounted on the rear upper surface of the top wall of the cap body, and a locking device 12 is provided at the front portion of the lid plate and the front portion of the top wall. The first hook 13 that is raised and the second hook 14 that is suspended from the front part of the cover plate are engaged by the cover plate lying down and the cover plate is closed, and the lever type push button 15 is pushed down. The push button rear part pushes up the front part of the cover plate and the hooks are disengaged to open the cover, and when the cover plate front part is pushed down from the open state, the hooks are engaged again to close the cover state. It is provided to keep.

  In the present invention, the elastic second seal cylinder 21 that is airtightly fitted to the first seal cylinder 8 is directly or indirectly attached to the lower surface of the lid plate 11. In the first embodiment shown in FIG. 1, the elastic second seal cylinder 21 hangs down from the outer periphery of the ring-shaped plate 22 and the outward flange 24 attached to the lower end of the first short cylinder. An elastic member 25 made of, for example, an elastomer is provided so as to expand the cylinder part upward and outward through the pipe, and the cylinder part is formed to rise upward and outward from the outer periphery of the outward flange 24. The ring-shaped plate 22 of the elastic member 25 is insert-molded in a state of being placed on the upper surface of the outer periphery of the rigid synthetic resin disk 26 to form a first seal member 27, which is inward of the ring-shaped plate 22. The second locking cylinder 28 erected from the disc part of the first plate is fitted and fixed to the inner surface of the first locking cylinder 29 suspended from the lower surface of the central portion of the lid plate 11. The cylinder 30 is suspended to fit the third short cylinder 30 to the outer surface of the second short cylinder 23, and the outer surface of the elastic second seal cylinder 21 is airtightly fitted to the inner surface of the first seal cylinder 8.

  A ridge is provided around the upper inner surface of the first seal cylinder 8 so that a taper surface is formed from the upper inner surface of the first seal cylinder to the inner end of the ridge in a downward and inward direction. The elastic second seal cylinder 21 is moved so as to be fitted into the upper part of the first seal cylinder 8. At the time of the fitting, the elastic second seal cylinder 21 contacts the upper inner surface of the first seal cylinder 8 and is prevented from descending, so that the outer peripheral portion of the outward flange 24 is pushed upward. Since the lower surface of the short cylinder 30 is in contact with the upper surface of the outward flange 24 to prevent the outward flange 24 from rising, the elastic second seal cylinder 21 is pushed into the upper portion of the first seal cylinder 8.

  In the present invention, the lower surface and the inner surface of the rigid synthetic resin ring 41 are covered with the elastic plate 42 to form the packing portion 43, and the inner surface covering portion is extended upward to form the leaf spring portion 44. A member 45 is provided between the first short cylinder 9 and the cap body peripheral wall 5 which is suspended from the top wall 6 with a gap between the member 43 and the upper part of the cap body peripheral wall as shown in the figure. Further, a through hole 47 was formed in the top wall portion above the outer surface of the holding cylinder, and the leaf spring portion 44 was raised upward through the through hole. The leaf spring portion is elastically deformed by being pushed by the lid plate when the lid plate 11 is closed as shown in the figure, and when the push button 15 is pushed down to release the lock, the leaf spring portion 44 is elastically restored and opened. It is provided to cover. The elastic plate 42 is formed of an elastomer, and the elastic plate and the ring 41 are integrally formed by insert molding.

  FIG. 4 shows a second embodiment. The same parts as those of the first embodiment are denoted by the same reference numerals, and the description thereof is omitted. When only the different parts are described, the elastic member 51 is suspended from the outer periphery of the ring-shaped plate 52 and the elastic second seal cylinder 53 is suspended downward. Let it form.

  As shown in the figure, the ring-shaped plate 52 is formed by projecting an inclined cylindrical portion upward and outward from the outer periphery of the inner peripheral portion of the ring-shaped plate and projecting the outer peripheral portion outward from the upper end of the inclined cylindrical portion. Good.

  The elastic member 51 is integrally formed by insert molding with the inner peripheral portion of the ring-shaped plate 52 placed on the upper surface of the outer peripheral portion of the rigid synthetic resin disk 26 to form a second seal member 54.

  A second locking cylinder 28 is erected from the circular plate 26, and an engaging ridge is provided on the outer periphery of the upper end of the second locking cylinder, and the engaging ridge is suspended from the lid plate 11. The first locking cylinder 29 is engaged with the upper surface of the engaging ridge provided around the inner periphery of the lower end.

  The first and second locking cylinders are loosely fitted and the second sealing member 54 formed by the elastic member 51 and the circular plate 26 is fitted to the lid plate 11 by mutual engagement between the both engaging protrusions. I'm wearing it.

  In the illustrated example, when the lid plate 11 is opened, the upper surface of the ring-shaped plate 52 comes into contact with the lower surface of the lid plate 11 and is pressed down so that the inner surface of the elastic second seal cylinder 53 is airtight to the upper outer surface of the first seal cylinder 8. It is provided so that it may fit in.

It is sectional drawing of this invention container. It is a half surface of the cap body. 1 is a front view of the container. It is sectional drawing of the container shown in 2nd Embodiment.

Explanation of symbols

4 Cap body 6 Top wall 8 First seal cylinder 11 Cover plate
21 Elastic second seal cylinder 22 Ring-shaped plate
23 2nd short tube 24 outward flange
25 Elastic member 27 First seal member
28 Second locking cylinder 29 First locking cylinder
30 3rd short tube 41 ring
42 Elastic plate 45 Spring member for packing
51 Elastic member 53 Elastic second seal cylinder
54 Second seal member

Claims (4)

The container body 1 is closed with a lid plate 11 that is pivotally attached to the top surface of the rear portion of the top wall of the cap body 4 that is screwed into the neck portion of the cap body 4 by being urged toward the upper surface of the rear portion of the top wall. A container with a cover plate that can be freely opened and closed with a locking device 12 provided on the front part of the cover plate and the front part of the top wall,
The first seal cylinder 8 is erected from the peripheral edge of the outlet, and an elastic second seal cylinder 21 that can be airtightly fitted to the first seal cylinder is directly or indirectly attached to the lower surface of the lid plate 11.
Further, a packing-use spring member 45 that covers the lower surface and the inner surface of the ring 41 with an elastic plate 42 to form a packing portion 43 and the inner surface covering portion extends upward to form a plate spring portion 44 is provided. The packing portion 43 is fitted between the first short cylinder 9 suspended from the outer peripheral portion of the cap and the upper portion of the cap body peripheral wall, and the leaf spring portion 44 is passed through the top wall 6 to stand up. An airtight container with a cover plate, wherein the plate 11 is biased in the opening direction. An elastic member 25 erected from the outer periphery of the ring-shaped plate 22, and an elastic second seal cylinder 21 that expands upward and outward through an outward flange 24 attached to the lower end of the first short cylinder. And the disk 26, and the ring-shaped plate 22 is superposed on the outer periphery of the disk, and these are integrally insert-molded together to form a first seal member 27.
A second locking cylinder 28 erected from the disk 26 is fitted to a first locking cylinder 29 that is suspended from the lower surface of the center of the lid plate 11, and a third short cylinder 30 that is suspended from the lid plate 11. Fitted to the outer surface of the second short cylinder 23,
A highly airtight container with a cover plate. The elastic member 25 that extends from the outer periphery of the ring-shaped plate 22 downward and outwards and hangs down the elastic second seal cylinder 21 and the circular plate 26 are overlapped with the inner peripheral portion of the ring-shaped plate 22 on the outer peripheral portion of the circular plate. In a combined state, these are integrally formed by insert molding to form a second seal member 54, and a second engaging member that is erected from the disk to a first locking cylinder 29 that is suspended from the lower surface of the central portion of the lid plate 11. The highly airtight container with a cover plate according to claim 1, wherein the stopper tube 28 is fitted so as not to fall off. The first locking cylinder 29 suspended from the lid plate 11 and the second locking cylinder 28 raised from the disk 26 are loosely fitted to both the cylinders, and are engaged to the tips of the both cylinders. The highly airtight container with a cover plate according to claim 2 and 3, wherein the second locking cylinder 28 cannot be removed from the first locking cylinder 29 by the mutual engagement of the protrusions.

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