JP2005132499A - Lid device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a lid device capable of opening an opening and closing lid to a lid body easily and simply. <P>SOLUTION: This lid device 20 is provided with the lid body 21 which, while loaded on a container body 11, has a taking out spout 24, and the opening and closing lid 23 attached to this lid body 21 freely in fluctuation through a hinging section 22. While a plate rubber 50 is provided in the swinging section between the lid body 21 and the opening and closing lid 23, this plate rubber 50 is extended toward the opening and closing lid 23 from the lid body 21 and used for energizing the opening and closing lid 23 to an opening direction. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a lid device that seals the opening of a container body, and more particularly to a lid device that can be opened with a single touch.

  The opening of the container main body that stores the contents, for example, wet tissue, is sealed by a lid device.

  Such a lid device includes a lid body that is attached to the container body and has an outlet, and an open / close lid that is swingably attached to the lid body.

  In use, the opening / closing lid is opened with respect to the lid body, and wet tissues are taken out one by one from the outlet formed in the lid body.

  As described above, the lid device includes the lid body and the opening / closing lid attached to the lid body so as to be swingable. In use, the lid device is opened by swinging the opening / closing lid one by one.

  In such a case, it is convenient if the opening / closing lid can be opened with one touch. However, when adopting a structure in which the opening / closing lid is opened with, for example, a metal spring, the assembly process becomes complicated, and it is extremely dangerous considering that the metal spring has fallen into the inside.

  The present invention has been made in consideration of such points, and an object of the present invention is to provide a lid device that can easily and safely open an open / close lid.

  The present invention includes a lid body that is attached to the container body and has an outlet, and an opening / closing lid that is swingably attached to the lid body and seals the outlet, and the lid body and the opening / closing lid, An elastic urging means for urging the opening / closing lid toward the opening direction is provided in the swinging portion between the two.

  The present invention is the lid device characterized in that the elastic biasing means extends between the lid body and the opening / closing lid, and a part thereof is made of a rubber plate fixed to at least one of the lid body or the opening / closing lid. is there.

  According to the present invention, the lid rubber lid body side is housed in a recess provided on the lid body, and a space is formed between the lid rubber lid body side and the opening / closing lid side when the opening / closing lid is closed. It is the lid apparatus characterized by this.

  The present invention is a lid device characterized in that an R shape is formed in a portion of the inner surface of the opening / closing lid where the rubber plate contacts.

  In the present invention, a locking portion is provided at the free end of the opening / closing lid, and an engagement portion that engages with the locking portion is provided on the lid body, and when the lid body is pressed from above, the opening / closing lid is locked. It is a lid device provided with the press part which cancels | releases engagement with a part and the engaging part of a lid | cover main body.

  According to the present invention, the lid body and the opening / closing lid are each made of a synthetic resin, and the lid body resin is relatively softer than the opening / closing lid resin.

  According to the present invention, the elastic biasing means is made of an elongated rubber, and one end of the elongated rubber is attached to the lid body and the other end is attached to the opening / closing lid, and the elongated rubber is moved away from the swinging portion when the opening / closing lid is closed. The lid device is characterized by being curved.

  The present invention is a lid device characterized in that either one of the lid main body and the opening / closing lid is provided with a fixing portion for fixing the elongated rubber, and the other is provided with a storage portion for inserting and storing the elongated rubber.

  The present invention is characterized in that an elongated rubber is provided with an opening, and the adhering portion has a protrusion inserted into the elongated rubber opening, and a cover that covers the elongated rubber attached to the protrusion from the outside. This is a lid device.

  The present invention is a lid device in which a receiving portion for receiving a curved elongated rubber is provided on the storage portion side of the lid main body and the opening / closing lid.

  The present invention is a lid device characterized in that the fixing portion is provided on the open / close lid, the storage portion is provided on the lid main body, and the fixing portion is disposed at a predetermined interval from the lid main body.

  According to the present invention, the opening / closing lid can be easily opened with respect to the lid body by the elastic biasing means.

  According to the present invention, the opening / closing lid can be easily opened with respect to the lid body by the restoring force of the rubber plate.

  According to the present invention, it is possible to form a space between the lid body side and the opening / closing lid side of the sheet rubber when the opening / closing lid is closed by storing the sheet rubber in the recess of the lid body. For this reason, the restoring force of the sheet rubber can be maintained over a long period of time.

  According to the present invention, since the R shape is formed in the inner surface of the opening / closing lid, the portion where the sheet rubber abuts, it is possible to smoothly perform the bending and extending action of the sheet rubber accompanying the opening / closing of the opening / closing lid.

  According to the present invention, it is possible to release the engagement between the locking portion of the opening / closing lid and the engaging portion of the lid body by pressing the pressing portion.

  According to the present invention, since the synthetic resin for the lid main body is soft, the lid main body can be greatly bent by pressing the pressing portion, whereby the locking portion of the opening / closing lid and the lid main body can be bent. The engagement with the engaging portion can be easily released.

  According to the present invention, one end of the elongated rubber is attached to the lid body, the other end is attached to the opening / closing lid, and the elongated rubber is bent in a direction away from the swinging portion when closed, so that the elongated rubber at the time of bending is restored. The power can be increased.

  According to the present invention, it is easy to attach the elongated rubber by fixing one end of the elongated rubber to the fixing portion and inserting the other end into the storage portion for storage.

  According to the present invention, the elongated rubber can be reliably fixed to the fixing portion by inserting the protrusion of the fixing portion into the opening of the elongated rubber and covering with the covering portion of the elongated rubber attached to the protrusion. .

  According to the present invention, by receiving the elongated rubber that is curved in the receiving portion provided on the storage portion side, the elongated rubber can be smoothly received in the receiving portion when the opening / closing lid is closed, and the elongated rubber is damaged. I won't be confused.

  According to the present invention, the adhering portion for adhering the elongated rubber is disposed on the opening / closing lid at a predetermined distance from the accessory body, so that the point of action of the elongated rubber on the opening / closing lid can be determined from the swinging end of the opening / closing lid. The opening and closing lid can be prevented from being deformed.

  As described above, according to the present invention, the opening / closing lid can be easily opened by the elastic biasing means, so that the contents can be taken out smoothly.

  According to the present invention, the opening / closing lid can be reliably opened by the restoring force of the rubber plate. Moreover, the danger at the time of dropping can be avoided compared with the case where a metal spring is provided.

  According to the present invention, since the space can be formed between the lid main body side and the opening / closing lid side when the opening / closing lid is closed, the restoring force of the sheet rubber can be maintained over a long period of time. Can be reliably opened.

  According to the present invention, the folding and extending action of the rubber plate accompanying the opening / closing of the opening / closing lid can be performed smoothly, so that the opening / closing operation of the opening / closing lid can be performed reliably.

  According to the present invention, the pressing portion can be pressed to release the engagement between the locking portion of the opening / closing lid and the engaging portion of the lid main body, so that the opening / closing lid can be opened with one touch.

  According to the present invention, the lid main body can be greatly bent by pressing the pressing portion, and the engagement between the locking portion of the opening / closing lid and the engaging portion of the lid main body can be released more easily. it can.

  According to the present invention, since the restoring force of the elongated rubber can be increased when the opening / closing lid is closed, the opening operation of the opening / closing lid can be easily performed.

  According to the present invention, since the elongated rubber can be easily attached, the efficiency of the assembly work can be improved.

  According to the present invention, the elongated rubber can be securely fixed by the fixing portion.

  According to the present invention, when the open / close lid is closed, the elongated rubber can be smoothly received in the receiving portion, and thus the elongated rubber is not damaged.

  According to the present invention, the point of action of the elongated rubber on the open / close lid can be separated from the swing end of the open / close lid to prevent deformation at the swing end of the open / close lid.

DESCRIPTION OF EXEMPLARY EMBODIMENTS First Embodiment Hereinafter, an embodiment of the invention will be described with reference to the drawings. 1 to 17 are views showing a first embodiment of the present invention.

  First, a wet tissue container in which a lid device according to the present invention is incorporated will be described with reference to FIGS. The wet tissue container 10 includes an upper opening type container main body 11 that accommodates a wet tissue 41 (see FIG. 4) and a lid device 20 that is fitted into the container main body 11. A flange portion 12 is provided on the peripheral edge of the opening of the container body 11, and the flange portion 12 is fitted into a peripheral protrusion 34 on the lid device 20 side described later.

  The lid device 20 includes a lid body 21 that seals the opening of the container body 11 and an opening / closing lid 23 that is integrally formed with the lid body 21 via a hinge portion 22 (see FIG. 3C). . The lid body 21 includes a thin plate (upper plate) 27 at the substantially central portion thereof, and an outer frame 33 provided on the outside of the thin plate 27 via a stepped portion 28.

  The thin plate 27 is provided with an outlet 24 for taking out the wet tissue 41 in an elongated circular shape, and further, a lower frame 29 is provided outside the peripheral edge 24a of the outlet. Further, as described above, a peripheral protrusion 34 is provided on the outer periphery of the outer frame 33 so as to be fitted to the outside of the flange 12 on the container body 11 side, and the inner wall of the peripheral protrusion 34 is engaged with the flange 12. A mating protrusion 34a is provided.

  Further, an upper frame 35 that is fitted into the lower frame 29 is provided on the inner surface of the opening / closing lid 23. The opening / closing lid 23 is rotated about the hinge 22 and the upper frame 35 is fitted into the lower frame 29, so that the opening / closing lid 23 seals the outlet 24.

  A locking piece 32 is provided at the free end of the opening / closing lid 23. Further, a portion of the outer frame 33 adjacent to the free end of the opening / closing lid 23 is slightly lifted upward to form a pressing portion 52.

  As shown in FIGS. 3A and 3B, the pressing portion 52 has a thin portion 53, and an engagement protrusion that engages with the locking piece 32 of the opening / closing lid 23 on the inner wall of the pressing portion 52. 52a is provided. Therefore, when the pressing portion 52 is pressed from above, the pressing portion 52 bends downward with the thin portion 53 as a boundary so that the engagement between the locking piece 32 of the opening / closing lid 23 and the engaging protrusion 52a is released. It has become.

  Further, as shown in FIG. 5, the peripheral edge 24 a of the outlet 24 has a curved cross section in the lower portion 25, and the wet tissue 41 is caught when passing through the curved lower portion 25. You can pass smoothly. In this case, the curved cross section has an arc shape, and the radius thereof is 1 mm or more, preferably 2 to 10 mm. The radius of the curved cross section may gradually change.

  Further, as shown in FIGS. 1 and 3C, one side of the plate rubber 50 is fixed to the thin plate 27 of the lid main body 21 by the caulking portion 51, and the other side of the plate rubber 50 extends to the inner surface of the opening / closing lid 23. The opening / closing lid 23 is urged in the opening direction by the plate rubber 50. That is, an opening is provided on one side of the plate rubber 50 and a protrusion protruding from the thin plate 27 is inserted into the opening of the plate rubber 50. Next, by heating the protrusion from above, the rubber plate 50 is fixed to the thin plate 27, and at the same time, the caulking portion 51 is formed by heating the protrusion.

  As shown in FIG. 1, two sheet rubbers 50 are provided, one side of each sheet rubber 50 is fixed to the thin plate 27 of the lid body 21, and the other side is extended to the inner surface of the opening / closing lid 23 without being fixed. However, the rubber plate 50 may be fixed to the inner surface of the open / close lid 23 so that the cover body 21 side of the rubber plate 50 is left free. The rubber plate 50 may be fixed to both the thin plate 27 of the lid body and the inner surface of the opening / closing lid 23. Further, the number of the rubber strips 50 is not limited to two, but any number of one or more can be provided.

  As described above, the rubber plate 50 is for biasing the opening / closing lid 23 in the opening direction, and the material is not particularly limited, but the hardness is 40 ° to 70 ° (JIS K 6301-1975 vulcanized rubber physical test method). And a thickness of 1.5 to 3 mm is preferable. Examples of the material of the plate rubber 50 include silicon rubber, chloroprene rubber, butadiene rubber, urethane rubber, ethylene-propylene copolymer rubber, and natural rubber. Such a rubber plate 50 can be produced by compression molding, extrusion molding or injection molding. The front and back surfaces of the rubber plate 50 may be subjected to a textured process.

  Further, as shown in FIG. 10 (a), the shape of the rubber plate 50 is rectangular and has a flat cross section, as shown in FIGS. 10 (b) and 10 (c), and has a rectangular cross section. One that is bent in advance on one side, or one that has a cross-sectional mountain shape and is flat as shown in FIG. Further, as the cross-sectional shape of the rubber plate 50, a rectangular cross-section as shown in FIG. 11 (a), a cross-sectional shape as shown in FIG. 11 (b), and a cross-section as shown in FIG. 11 (c). It can be considered to be a gentle mountain shape or a cylindrical cross section as shown in FIG.

  The container main body 11 and the lid device 20 constituting the wet tissue container 10 described above are both obtained by injection molding using polypropylene (PP). In addition, the container body 11 and the lid device 20 may be molded using PE, PS, ABS, elastomer, PET, PVC, or polycarbonate.

  Next, the wet tissue 41 stored in the container body 11 will be described with reference to FIG. As shown in FIG. 4A, the wet tissue 41 is folded and placed in a sealed bag 40 made of a flexible sheet, and is sealed by the sealed bag 40. Each wet tissue 41 forms a bent portion 42 and is substantially folded in half, and the bent portions 42 of each wet tissue 41 are alternately replaced. Further, the folded lower half 41b of the wet tissue 41 is inserted between the upper half 41a of the wet tissue 41 disposed below and the upper half 41a of the wet tissue 41 positioned further below. Therefore, when the wet tissues 41 are picked and removed one by one, the lower half 41b of the removed wet tissues 41 pulls up the upper half 41a of the wet tissue 41 positioned below. The method of folding wet tissue 41 is not particularly limited as long as it is laminated so that it can be taken out continuously. For example, it may be folded as shown in FIG. Good. An opening 40a is provided at the upper end of the sealing bag 40, and the opening 40a is sealed by a lid piece 45 that is detachably attached to the upper surface of the sealing bag 40.

  As the material of the wet tissue 41, for example, a fiber material such as a nonwoven fabric, paper, gauze, a sheet-like foam, or a paper-based soft material is used. Further, as the liquid to be impregnated into the wet tissue, wetting agents containing bactericides, disinfectants, cleaning agents, etc., and cosmetics such as lotions and emulsions are conceivable.

Next, the operation of this embodiment having such a configuration will be described.
First, the wet tissue 41 is folded and placed in the sealed bag 40, and the opening 40a is sealed by the lid piece 45 (FIG. 4). Next, the wet tissue 41 sealed in the sealed bag 40 is accommodated in the container main body 11 shown in FIG. 1, and then the lid piece 45 is removed from the opening 40a.

  Thereafter, the peripheral protrusion 34 on the lid device 20 side is fitted on the outside of the flange portion 12 of the container body 11, the flange portion 12 and the engagement protrusion 34 a are engaged, and the upper opening of the container body 11 is the lid. It is sealed by the device 20 (FIG. 3).

  In this case, the opening / closing lid 23 of the lid device 20 is closed with respect to the lid body 21, and the take-out port 24 of the lid body 21 is sealed by the opening / closing lid 23. Further, the upper frame 35 of the opening / closing lid 23 is fitted into the lower frame 29 of the lid main body 21, the locking piece 32 of the opening / closing lid 23 is engaged with the engagement protrusion 52 a of the lid main body 21, and the rubber plate 50 is It is bent between the thin plate 27 and the opening / closing lid 23 (FIG. 3A).

  Next, when the pressing portion 52 is pressed from above, the pressing portion 52 is bent downward with the thin portion 53 as a boundary, and the engagement piece 32 of the opening / closing lid 23 and the engagement protrusion 52a of the lid body 21 are engaged. In addition, the engagement between the upper frame body 35 and the lower frame body 29 is released (FIG. 3B).

  As described above, in the closed position of the opening / closing lid 23, the rubber plate 50 is bent between the thin plate 27 and the opening / closing lid 23 and urges the opening / closing lid 23 in the opening direction. When the engagement with the engagement protrusion 52a and the engagement between the upper frame body 35 and the lower frame body 29 are released, the opening / closing lid 23 rotates around the hinge portion 22 by a restoring force in which the rubber plate 50 extends straight. The opening / closing lid 23 is opened (FIG. 3 (c)).

  In this case, an R shape is formed on the inner surface of the opening / closing lid 23 so that the rubber plate 50 comes into contact with the inner surface of the opening / closing lid 23. be able to.

  In this way, the opening / closing lid 23 can be opened with one touch only by pressing the pressing portion 52.

  Next, the wet tissue 41 is picked with a finger from the outlet 24 of the lid body 21 and pulled upward. Thereafter, the first wet tissue 41 can be taken out from the container body 11 by continuously pulling the wet tissue 41. In this case, the upper half 41 a of the second wet tissue 41 is pulled by the lower half 41 b of the first wet tissue 41. Then, when the upper half 41a of the second wet tissue 41 is caught on the peripheral edge 24a of the outlet 24, the second wet tissue 41 stops.

  When the wet tissue 41 is pulled from the outlet 24, the lower portion 25 of the peripheral portion 24a has a curved cross section or a chamfered cross section, so that the wet tissue 41 is smoothly passed through the lower portion 25 of the peripheral portion 24a. Can do. For this reason, even if the wet tissue 41 is pulled, the entire container 10 is not lifted, and the soft wet tissue 41 is not damaged.

  Next, when the outlet 24 is sealed with the opening / closing lid 23, the opening / closing lid 23 is rotated around the hinge portion 22 toward the outlet 24. Then, the upper frame body 35 of the opening / closing lid 23 is fitted into the lower frame body 29 of the lid body 21, and the locking piece 32 and the engaging protrusion 52 a are engaged to seal the outlet 24 with the opening / closing lid 23.

(Other examples)
Next, another embodiment of the present invention will be described with reference to FIG. The embodiment shown in FIG. 6 is the same as the embodiment shown in FIGS. 1 to 5 except that the lid body 21 and the opening / closing lid 23 are divided. That is, as shown in FIG. 6, the opening / closing lid 23 is swingably attached to the lid body 21 via the swing shaft 37. In this way, by forming the lid body and the opening / closing lid 23 separately, it is possible to facilitate the molding operation.

  Next, still another embodiment of the present invention will be described with reference to FIGS. In the embodiment shown in FIG. 7 to FIG. 9, the same parts as those in the embodiment shown in FIG. 1 to FIG.

  As shown in FIGS. 7 to 9, the thin plate 27 of the lid main body 21 is formed with a recess 27a, and the rubber plate 50 is accommodated in the recess 27a. The rubber plate 50 is fixed in the recess 27 a of the lid body 21 by a caulking portion 51. Also, an R shape is formed on the inner surface of the open / close lid 23 at the portion where the rubber plate 50 abuts.

  Thus, when the opening / closing lid 23 is closed by storing and arranging the rubber plate 50 in the concave portion 27a of the thin plate 27, between the lid main body 21 side portion and the opening / closing lid 23 side portion of the rubber plate 50. A space can be formed. Therefore, the restoring force of the plate rubber 50 can be maintained for a long period of time compared to the case where the lid main body 21 side portion and the opening / closing lid 23 side portion of the plate rubber 50 are completely overlapped. Further, by making the portion of the inner surface of the opening / closing lid 23 in contact with the sheet rubber 50 into an R shape, the folding and extending action of the sheet rubber can be performed smoothly when the opening / closing lid 23 is opened and closed.

  As in the above-described embodiments, the rubber plate 50 may be fixed to the inner surface of the opening / closing lid 23, and the lid body 21 side of the rubber plate 50 may be left free. Further, the rubber plate 50 may be fixed to both the thin plate 27 of the lid body and the inner surface of the opening / closing lid 23. Further, the number of the rubber strips 50 is not limited to two, but any number of one or more can be provided.

  Next, another fixing structure of the rubber plate 50 will be described with reference to FIGS. In each of the embodiments shown in FIGS. 1 to 9, the example in which the plate rubber 50 is fixed to the thin plate 27 by the caulking portion 51 is shown, but the fixing structure of the plate rubber 50 is not limited to this. That is, as shown in FIGS. 17A and 17B, an insertion case 65 may be provided on the thin plate 27, and the rubber plate 50 may be inserted and fixed in the insertion case 65. Further, when the opening / closing lid 23 is molded, the rubber plate 50 may be inserted into the mold in advance.

  Next, a modification of the pressing portion 52 of the lid body 21 will be described with reference to FIGS. 12 and 13. First, a first modification of the pressing portion 52 is shown in FIGS. 12A, 12 </ b> B, and 12 </ b> C, the lid body 21 is provided with a pressing portion 52 separately from the lid body 21, and the opening / closing lid 23 extends beyond the step portion 28 of the lid body 21. It extends to the 52 side.

  12A, 12B, and 12C, FIG. 12B is a sectional view taken along line BB in FIG. 12A, and FIG. 12C is a perspective view of the pressing portion 52. is there. 12A, 12B, and 12C, the pressing portion 52 includes an engagement protrusion 55 that engages with the locking piece 32 of the opening / closing lid 23, and a support protrusion 21a that protrudes outward from the lid body 21. And a leg 56 that engages.

  12A, 12 </ b> B, and 12 </ b> C, the pressing portion 52 is supported by the lid body 21 by engaging the leg 56 with the support protrusion 21 a of the lid body 21. At the closed position of the opening / closing lid 23, the locking piece 32 of the opening / closing lid 23 is engaged with the engagement protrusion 55 of the pressing portion 52.

  Next, when the pressing portion 52 is pressed, the pressing portion 52 is bent inward, and the engagement between the locking piece 32 of the opening / closing lid 23 and the engaging protrusion 55 is released.

  Next, the 2nd modification of the press part 52 is shown by Fig.13 (a) (b) (c). 13A, 13 </ b> B, and 13 </ b> C, the lid body 21 is provided with a pressing portion 52 separately from the lid body 21. 13A, 13B, and 13C, FIG. 13B is a sectional view taken along line BB in FIG. 13A, and FIG. 13C is a perspective view of the pressing portion 52. is there.

  As shown in FIGS. 13A, 13B, and 13C, the pressing portion 52 has a bearing 59 into which a shaft 61 provided on the lid body 21 side is fitted, and the pressing portion 52 is centered on the shaft 61. Is swingable. The pressing portion 52 has a leg 58 that contacts the upper surface of the lid main body 21 and an engagement protrusion 57 that engages with the locking piece 32 of the opening / closing lid 23. Further, the pressing portion 52 is provided with a leaf spring 62 that contacts the upper surface of the lid body 21.

  13A, 13B, and 13C, when the opening / closing lid 23 is closed, the locking piece 32 of the opening / closing lid 23 is engaged with the engagement protrusion 57 of the pressing portion 52. In this case, the pressing portion 52 is urged counterclockwise in FIG. 13B by the leaf spring 62, and the leg 58 and the lid body 21 are slightly separated from each other.

  Next, when the pressing portion 52 is pressed clockwise in FIG. 13B, the pressing portion 52 rotates clockwise, and the leg 58 and the lid main body 21 come into contact with each other. As the pressing portion 52 rotates in the clockwise direction, the engagement between the locking piece 32 of the opening / closing lid 23 and the engagement protrusion 57 is released.

  Next, a modified example of the outlet 24 will be described with reference to FIGS. First, the peripheral edge 24a of the outlet 24 may have a cross-sectional shape as shown in FIGS. 14 (a) to 14 (f), for example. As shown in FIGS. 14A to 14F, the lower portion 25 of the peripheral edge portion 24a has a curved cross section.

  Moreover, as shown in FIG. 15, you may form so that the peripheral part 24a may have the cross section chamfered in the lower part 25. As shown in FIG. In FIG. 15, the wet tissue 41 can pass smoothly when passing through the chamfered lower portion 25.

  Moreover, the planar shape of the outlet 24 is not limited to the elongated circular shape shown in FIG. For example, a plurality of protruding pieces 26 may be protruded from the thin plate 27 toward the outlet 24 as shown in FIGS. In this case, the edge portion 26 a of the projecting piece 26 constitutes a part of the peripheral edge portion 24 a of the outlet 24. Therefore, the edge 26a of the projecting piece 26 has a curved cross section shown in FIGS. 4 and 5, a curved cross section shown in FIGS. 14 (a) to 14 (f), or a rounded cross section shown in FIG. ing.

  It is not necessary that a curved section is formed in the lower portion 25 over the entire circumference of the peripheral portion 24a of the outlet 24, and a curved section is formed in the lower portion 25 only at the peripheral portion 24a where the wet tissue 41 is supposed to hit. May be.

Second Embodiment Next, a second embodiment of the present invention will be described. 18 to 24 are diagrams showing a second embodiment according to the present invention. The same parts as those of the first embodiment shown in FIGS. 1 to 17 are denoted by the same reference numerals, and detailed description thereof is omitted.

  As shown in FIGS. 18 to 20, the wet tissue container 10 includes an upper opening type container main body 11 that accommodates a wet tissue 41 (see FIG. 4) and a lid device 20 that is fitted into the container main body 11. I have. A flange portion 12 is provided at the opening peripheral portion of the container body 11, and the flange portion 12 is fitted into a peripheral protrusion 34 of the lid device 20 described later.

  The lid device 20 includes a lid body 21 that seals the opening of the container body 11, and an opening / closing lid 23 that is swingably attached to the lid body 21 via a swing shaft 77. The swing shaft 77 is formed integrally with the opening / closing lid 23, and a projection 77 a of the swing shaft 77 is inserted into a receiving portion (not shown) of the lid body 21 so that the opening / closing lid 23 is swingably attached to the lid body 21. (FIG. 19).

  The lid body 21 is provided on the outer side of the first upper plate (first thin plate) 27a and the first upper plate 27a at a substantially central portion thereof, and the second upper plate (second second plate) positioned higher than the first upper plate 27a. (Thin plate) 27b and an outer frame 33 provided outside the second upper plate 27b via a stepped portion 28. Further, the first upper plate 27a is provided with an outlet 24 for taking out the wet tissue 41 in an ellipse shape, and a peripheral edge 24a is provided at the periphery of the outlet 24. It has a curved cross section (see FIG. 5). For this reason, when the wet tissue 41 passes through the peripheral edge 24a of the outlet 24, it can pass smoothly without being caught by the peripheral edge 24a. Further, as described above, a peripheral protrusion 34 is provided on the periphery of the outer frame 33 so as to be fitted to the flange portion of the container body 11.

  On the inner surface of the opening / closing lid 23, a frame body 85 is provided that is fitted into a step portion 86 that separates the first upper plate 27a and the second upper plate 27b. Then, the opening / closing lid 23 is rotated about the swing shaft 77 and the frame body 85 is fitted into the step portion 86, so that the opening / closing lid 23 seals the outlet 24.

  Further, as shown in FIG. 18, a locking piece 32 is provided at the free end of the opening / closing lid 23 and engages with the locking piece 32 at a position corresponding to the locking piece 32 in the step portion 28 of the other lid body 21. An engaging projection 79 is provided (see FIG. 23). When the open / close lid 23 is closed, the tip 32 a of the locking piece 32 engages with the engaging protrusion 79. On the other hand, the outer frame 33 on the engagement protrusion 79 is provided with a pressing portion 80 that is recessed from the surface of the outer frame 33. By pressing the pressing portion 80 from above, the outer frame 33 of the lid body 21 is bent and deformed. The engaging projection 79 is lowered downward so that the engagement between the tip 32a of the locking piece 32 and the engaging projection 79 is released.

Incidentally, the lid body 21 is made of polypropylene, soft, the flexural modulus measurements 5,000~11,000kg / cm ² by JISK6758, preferably has a 5,200kg / cm ^2. Examples of such polypropylene include MD770H manufactured by Showa Denko K.K.

On the other hand, the open / close lid 23 is made of hard polypropylene, and the flexural modulus of the open / close lid 23 is 12,000 to 18,000 kg / cm ² , preferably 15,300 kg / cm ^{2 as} measured by JISK6758. Also, the polypropylene of the opening / closing lid 23 has good fluidity, and its MFR (Melt Flow Rate) measured by JISK6758 is 56 g / 10 min. An example of such polypropylene is J-6071HP manufactured by Idemitsu Petrochemical Co., Ltd.

  As shown in FIG. 23, an R portion 80a of about R1.2 mm is formed between the pressing portion 80 and the step portion 28 of the lid main body 21, and the height h of the engaging projection 79 is about 1.0 mm. It is getting smaller.

  Thus, the lid body 21 is considerably softer than the opening / closing lid 23, and the R portion 80 a is formed between the pressing portion 80 and the step portion 28. The lid body 21 is bent by pressing (FIG. 23). In this case, since the height h of the engaging protrusion 79 is as small as about 1.0 mm, the engaging protrusion 79 of the lid main body 21 is greatly lowered and the tip 32a of the locking piece 32 is engaged with the engaging protrusion. The engagement with 79 can be easily released.

  As shown in FIG. 18, an elongated plate rubber 50 is provided on the swing shaft 77 between the lid body 21 and the opening / closing lid 23 to urge the opening / closing lid 23 in the opening direction. That is, the lid body 21 is provided with a storage portion 75 for inserting and storing one end of the rubber plate 50, and the opening / closing lid 23 is disposed at a predetermined interval from the lid body 21, and the other end of the rubber plate 50 is fixed. A fixing portion 76 is provided. Among these, the storage part 75 inserts and stores one end of the rubber plate 50.

  On the other hand, the adhering portion 76 includes a protrusion 81 inserted into an opening 50a provided at the other end of the plate rubber 50, and a cover portion 76a that covers the plate rubber 50 attached to the protrusion 81 from the outside. The other end of 50 is firmly fixed by the protrusion 81 and the cover 76a (see FIGS. 19, 21 and 22).

  Next, the fixing portion 76 will be described in more detail with reference to FIGS. 21 and 22.

  As shown in FIGS. 21 and 22, the protrusion 81 of the fixing portion 76 is inserted into the opening 50 a of the rubber plate 50, and a cover portion 76 a is provided outside the rubber plate 50. In this case, the rubber plate 50 is disposed in a pair of ribs 82 provided on the opening / closing lid 23, and the upper ends of the pair of ribs 82 and the upper ends of the projections 81 and the lower surface of the cover 76a are welded by an ultrasonic seal or the like. The covering portion 76 a is fixed to the rib 82 and the protrusion 81. A central hole 81a is formed in the protrusion 81, and a pin 76b formed integrally with the cover 76a is inserted into the central hole 81a. With such a configuration of the fixing portion 76, the other end of the rubber plate 50 is firmly fixed by the fixing portion 76.

  Instead of fixing the other end of the plate rubber 50 with the fixing portion 76, the plate rubber 50 is inserted into the mold in advance when the opening / closing lid 23 is molded, and when the opening / closing lid 23 is molded, the plate rubber 50 is At the same time, it may be fixed to the opening / closing lid 23.

  As shown in FIGS. 18 and 20, a receiving portion 78 is provided in the vicinity of the housing portion 75 of the lid body 21 when the rubber plate 50 is curved when the opening / closing lid 23 is closed.

  When the opening / closing lid 23 is closed with respect to the lid body 21, the rubber plate 50 is bent in a direction away from the swinging shaft 77, and biases the opening / closing lid 23 in the opening direction. In this case, the curved sheet rubber 50 is smoothly received in the receiving portion 78 (see FIG. 24). For this reason, when the open / close lid 23 is closed, the rubber plate 50 is not sandwiched between the lid main body 21 and the open / close lid 23 to damage the rubber plate 50.

  In FIG. 18, one sheet rubber 50 is provided, but an arbitrary number of two or more may be provided. The material and shape of the rubber plate can be the same as those in the first embodiment shown in FIGS.

  Next, the operation of the present embodiment having such a configuration will be described.

  First, one end of the plate rubber 50 is inserted and stored in the storage portion 75 of the lid body 21, and the other end of the plate rubber 50 is fixed to the opening / closing lid 23 in advance by a fixing portion 76.

  Next, the peripheral protrusion 34 of the lid device 20 is fitted to the outside of the flange portion 12 of the container body 11, and the upper opening of the container body 11 is sealed by the lid device 20. Next, the opening / closing lid 23 of the lid device 20 is closed with respect to the lid body 21, the tip 32 a of the engagement piece 32 is engaged with the engagement protrusion 79, and the outlet 24 of the lid body 21 is moved by the opening / closing lid 23. Sealed. At this time, the rubber plate 50 is bent in a direction away from the swing shaft 77, and urges the opening / closing lid 23 in the opening direction.

  In this case, as shown in FIG. 18 and FIG. 24, the plate rubber 50 is fixed by the fixing portion 76 arranged at a predetermined interval from the lid body 21, so that the plate rubber 50 swings in the opening / closing lid 23. The opening / closing lid 23 is lifted upward with the fixing portion 76 slightly inside from the end as an action point. In general, since the wet tissue container 10 is used in a relatively high temperature room such as a room in summer, the lid body 21 and the opening / closing lid 23 are easily softened. According to the present invention, since the rubber plate 50 lifts the action point of the opening / closing lid 23 slightly inside from the swinging end upward, the swinging of the opening / closing cover 23 is made as compared with the case where the swinging end is used as the action point. Edge deformation can be prevented in advance.

  Next, when the pressing portion 80 of the frame 33 is pressed from above, the engaging protrusion 79 is lowered downward, and the engagement between the distal end 32a of the locking piece 32 and the engaging protrusion 79 is released. In this case, due to the restoring force of the rubber plate 50, the opening / closing lid 23 rotates about the swing shaft 77, and the opening / closing lid 23 is opened.

  According to the present embodiment, both ends of the rubber plate 50 are attached to the lid body 21 and the opening / closing lid 23, and when the opening / closing lid 23 is closed, the rubber plate 50 is bent in a direction away from the swing shaft 77. The restoring force of the rubber plate 50 at the time can be further increased.

The whole perspective view of the container for wet tissues at the time of opening which shows the 1st Embodiment of this invention. The whole perspective view of the container for wet tissues at the time of closing. The sectional side view which shows the opening action of an opening-and-closing lid. The sectional side view which shows the airtight bag which accommodated the wet tissue. Sectional drawing of the outlet provided in the lid body. The perspective view which shows the other Example of a cover apparatus. The fragmentary perspective view which shows the further another Example of a cover apparatus. FIG. 8 is a side sectional view of the lid device shown in FIG. 7. The top view of the cover apparatus shown in FIG. The figure which shows the modification of board rubber The figure which shows the modification of board rubber. The figure which shows the modification of the press part of a lid body. The figure which shows the modification of the press part of a lid body. Sectional drawing which shows the modification of an outlet. Sectional drawing which shows the modification of an outlet. The top view which shows the modification of an outlet. The figure which shows the other fixing structure of board rubber. The whole perspective view of the container for wet tissues at the time of opening which shows the 2nd Embodiment of this invention. It is a back view which shows an opening-and-closing lid, Comprising: The figure which shows the state before attaching board rubber. The top view which shows a lid body. The enlarged view which shows the adhering part of an opening-and-closing lid. Sectional drawing which shows the adhering part of an opening-and-closing lid. The sectional side view which shows the engagement state with a latching piece with an engagement protrusion. The figure which shows the curved state of a board rubber at the time of closing of an opening-and-closing lid.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Wet tissue container 11 Container main body 20 Lid device 21 Lid main body 23 Opening / closing lid 24 Outlet 24a Peripheral part 25 Lower part 32 Locking piece 40 Sealing bag 40a Opening 41 Wet tissue 50 Sheet rubber 51 Caulking part 52 Pressing part 52a Engagement Projection 75 Storage portion 76 Mounting portion 76a Cover portion 77 Oscillating shaft 79 Engagement projection 80 Pressing portion 81 Projection

Claims (11)

A lid body that is mounted on the container body and has an outer frame and an outlet formed inside the outer frame;
An open / close lid that is swingably attached to the lid body and seals the outlet;
The swinging portion between the lid body and the opening / closing lid is provided with elastic biasing means for biasing the opening / closing lid in the opening direction,
An engaging portion is provided on the periphery of the opening / closing lid, and an engaging portion that engages with the engaging portion is provided on the lid main body, in the vicinity of the engaging portion of the lid main body and outside the engaging portion of the outer frame Is provided with a pressing portion that elastically descends downward when released from above and releases the engagement between the locking portion of the opening and closing lid and the engaging portion of the lid body, The lid device is characterized in that the engagement between the engaging portion and the engaging portion is released by pressing from the side, and the opening / closing lid is opened with one touch by the elastic biasing means.   2. The lid device according to claim 1, wherein the elastic biasing means extends between the lid body and the opening / closing lid, and a part thereof is made of a rubber plate fixed to at least one of the lid body and the opening / closing lid. .   The lid rubber lid body side is housed in a recess provided on the lid body, and a space is formed between the lid rubber lid body side and the opening / closing lid side when the opening / closing lid is closed. The lid device according to claim 2.   3. The lid device according to claim 2, wherein an R shape is formed in a portion of the inner surface of the open / close lid where the rubber plate contacts.   The lid device according to claim 1, wherein the locking portion is provided at a free end of the opening / closing lid.   6. The lid device according to claim 5, wherein the lid body and the opening / closing lid are each made of synthetic resin, and the lid body resin is relatively softer than the opening / closing lid resin.   The elastic biasing means is made of elongated rubber, and one end of the elongated rubber is attached to the lid body and the other end is attached to the opening / closing lid, and the elongated rubber is bent in a direction away from the swinging shaft when the opening / closing lid is closed. The lid device according to claim 1.   8. The lid device according to claim 7, wherein a fixing portion for fixing the elongated rubber is provided on one of the lid main body and the opening / closing lid, and a storage portion for inserting and storing the elongated rubber is provided on the other. Open an elongated rubber,
9. The lid device according to claim 8, wherein the fixing portion has a protrusion inserted into the opening of the elongated rubber, and a cover for covering the elongated rubber attached to the protrusion from the outside.   9. The lid device according to claim 8, wherein a receiving portion for receiving an intermediate portion of an elongated rubber that is curved when the opening / closing lid is closed is provided on one of the lid body and the opening / closing lid.   9. The lid device according to claim 8, wherein the fixing portion is provided on the open / close lid, the storage portion is provided on the lid body, and the fixing portion is disposed at a predetermined interval from the swing end of the lid body.

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