JP2005170451A - One finger touch opening/closing structure of sub-lid - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a one-finger touch opening/closing structure of sub-lid in which a resilient member is less-expensive, its fixing can be easily carried out, a resilient force of the resilient member effectively acts for opening of a lid and its classification recovery at the time of waste processing can be easily carried out. <P>SOLUTION: This is a one finger touch opening/closing structure of sub-lid which is fitted over a top plate having an opening of a lid main body, its rear end is connected to a rear end of a sub-lid fixing cavity at the top plate of the lid main body with a hinge part, its front end is engaged with an opening/closing engagement member at the front position of the top plate of the lid main body when it is closed, and it is automatically turned rearward by a recovering resilient force of the resilient member arranged at a position near the front portion of the hinge part of the top plate of the lid main body when the engagement of the opening/closing engagement member is released. A resilient member insertion and fitting part having an annular insertion protrusion is arranged at the central part of the annular insertion cavity, a tube spring having a predetermined length as a resilient member is inserted into and fitted vertically under a state that the sub-lid is opened in a substantial right angle against the top plate of the lid main body, and a pair of opposing resilient member supporting ribs are arranged at the predetermined position of the lower surface of a lower top plate of the sub-lid. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a one-touch opening / closing structure of a small lid that is attached to a top plate having a mouth portion of a lid main body such as a wet tissue container, a simple trash can, and a powder detergent container.

Conventionally, as a one-touch opening / closing structure of a small lid that attaches to a top plate having a mouth portion of a lid body, for example, in a wet tissue container, a rear end portion of a small lid is a hinge portion at a rear position of the top plate of the lid body. (Attached via a hinge), a mounting recess is provided in the top plate of the lid main body near the front of the hinge portion, and one end of an annular elastic member is fixed to the mounting recess using a plug so as to be vertical. Stand up, rotate the small lid forward with the hinge as a fulcrum, and engage the engagement protrusion on the front end of the small lid with the engagement lever provided in the front position of the top plate of the lid body The one that closes the small lid has been known (for example, see Patent Document 1). The one-touch open / close structure of the small lid is configured such that when the engagement lever of the lid main body and the engagement protrusion of the front end of the small lid are removed by operating the engagement lever, the small lid and the top plate of the lid main body are The small lid is rotated backward with the hinge portion as a fulcrum by the restoring elastic force of the annular elastic member that is bent in the direction, and the small lid is opened with one touch. Also, two top-and-bottom pinching attachment portions are provided in parallel in the left-right direction on the top plate of the lid body near the front of the hinge portion, and one tube spring as an elastic member is provided in the two pinching attachment portions. Also known is a U-shape that is clamped at both ends.
JP 2001-240096 A

  However, since the annular elastic member used in the conventional one-touch opening / closing structure of the small lid described above is innocent, the restoring elastic force is too high, and the direction of the force generated due to the annular shape is the opening direction of the small lid. It was difficult to match, and the cost was high, and it took a lot of time to install the plug into the mounting recess. Moreover, the tube spring fixed in the U-shape as the elastic member is expensive because it requires a long tube spring, and it takes time and effort to mount the tube spring in two places.

  The present invention solves the above-mentioned problems in the conventional one-touch open / close structure of a small lid, the elastic member is inexpensive, the labor for attaching the elastic member is not required, and the restoring elastic force of the elastic member is the opening of the lid. It is an object of the present invention to provide a one-touch opening and closing structure for a small lid that can effectively act on the water and facilitate the separation and collection during disposal.

  That is, the first invention of the present invention is attached to the top plate having the mouth portion of the lid body, and the rear end is behind the small lid mounting recess at the rear end portion of the top plate of the lid body via the hinge portion. When the front end is connected to the end and the front end engages with the opening / closing locking member attached to the top plate front position of the lid body, and when the locking of the opening / closing locking member is released, In the one-touch open / close structure of the small lid that automatically opens backward by a restoring elastic force of an elastic member provided in the vicinity of the front of the hinge portion of the top plate of the lid body, the top plate of the lid body An elastic member insertion portion having an annular insertion convex portion at the center position of the annular insertion concave portion is provided at a predetermined position in the center in the left-right direction near the front of the hinge portion of the small lid mounting concave portion. In a state where the small lid is opened at a substantially right angle to the top plate of the lid body, the elastic member has a predetermined length. One-touch of a small lid, wherein a tube spring is vertically inserted, and a pair of opposing elastic member supporting ribs in the vertical direction are provided at predetermined positions in the center in the left-right direction on the lower top plate of the small lid. Opening and closing structure.

  Next, according to a second aspect of the present invention, the small lid mounting recess is attached to the top plate having the mouth portion of the lid body, and the rear end of the small lid mounting portion at the rear end portion of the top plate of the lid body via the hinge portion. When connected to the rear end and closed, the front end is engaged with the opening / closing locking member attached to the top of the lid body, and when the locking of the opening / closing locking member is released In the one-touch opening / closing structure of a small lid that automatically opens backward by a restoring elastic force of an elastic member provided at a position near the front of the hinge portion of the top plate of the lid body, the top plate of the lid body An elastic member insertion portion comprising an annular insertion convex portion in the front-rear direction is provided at a predetermined position in the left-right center of the front facing wall surface of the hinge portion of the small lid mounting recess, and left and right on the lower top plate lower surface of the small lid A pair of opposing elastic member supporting ribs in the vertical direction project at a predetermined position in the center of the direction to insert the elastic member The front end of a tube spring having a predetermined length is inserted as the elastic member in a state where the small lid is opened at a substantially right angle with respect to the top plate of the lid body, and the tube spring is attached to the rear of the lid body. A small-touch one-touch opening and closing structure characterized in that a rear end is sandwiched between the elastic member support ribs along the top plate upper surface and the lower top plate lower surface of the small lid.

  Next, a third invention of the present invention is the first invention or the second invention, wherein the insertion convex part has a hollow concave part in the center and a locking ring on the outer peripheral surface. One-touch opening and closing structure of the small lid.

  According to a fourth aspect of the present invention, the material of the tube spring is any one of silicone rubber, polyurethane, ethylene-propylene rubber, and butadiene rubber. A one-touch opening and closing structure for a small lid according to any one of the inventions.

  The one-touch opening and closing structure of the small lid of the present invention can use a general plastic tube spring having a relatively short predetermined length as an elastic member, so that it is attached to a conventional annular elastic member or U-shape. Compared with the elastic member, the cost of the elastic member is low.

  Moreover, the one-touch opening and closing structure of the small lid of the present invention inserts and attaches an elastic member to one elastic member insertion portion, and it does not take time to attach the elastic member. In addition, if necessary, the elastic body can be firmly fixed by making the center of the insertion convex portion of the elastic member insertion portion a hollow concave portion and providing a locking ring on the outer periphery. In addition, by providing a hollow recess at the center of the insertion protrusion, it is possible to forcibly remove the mold during molding, and it is possible to provide a locking ring on the outer periphery.

  Also, the one-touch opening and closing structure of the small lid according to the present invention includes an elastic member insertion portion provided at a predetermined position in the lateral center in the vicinity of the front of the hinge portion of the top plate of the lid body or in a predetermined position in the lateral center of the front facing wall surface. In addition, since one tube spring as an elastic member is inserted vertically or horizontally, the restoring elastic force of the elastic member effectively acts on the opening of the lid. In addition, the elastic member is a hollow tube spring, and the diameter and thickness of the tube spring can be selected and adjusted so that the restoring elastic force of the elastic member at the time of opening matches the application.

  Further, the one-touch opening / closing lid structure of the present invention makes it easy to remove the tube spring as the elastic member inserted into the elastic member insertion portion of the top plate of the lid main body, and also separates when the container is disposed of. A tube spring made of a synthetic resin material of the same system as the lid main body and the small lid can also be used for easy collection.

  Next, an embodiment of the one-touch opening / closing lid structure of the present invention will be described in detail with reference to the drawings.

FIG. 1 is a cross-sectional view of a wet tissue container lid having a one-touch opening / closing structure of a small lid according to the first embodiment of the present invention when the small lid is opened. Fig.2 (a) is a top view when the small lid of the wet tissue container lid of Embodiment 1 is opened, and FIG.2 (b) is the front view. FIG. 3 is a partial cross-sectional view showing a state of the tube spring when the small lid of the wet tissue container lid of the first embodiment is closed, and FIG. 4 is a lid main body of the small lid of the wet tissue container lid of the first embodiment. It is explanatory drawing which shows the state which attaches a small lid and a tube spring. FIG. 5 (a) is a cross-sectional view of inserting the tube spring of the insertion convex portion of one embodiment in which a locking ring is provided on the outer peripheral surface, and FIG. 5 (b) is a locking ring on the outer peripheral surface. It is sectional drawing which inserts the tube spring of the insertion convex part of other provided one embodiment. FIG. 6 is a cross-sectional view showing a main part when the small lid of the wet tissue container lid having the one-touch opening and closing structure of the small lid of the present invention of Embodiment 2 is opened.

  The structure of the wet tissue container lid (10) having the one-touch opening and closing structure of the small lid of the first embodiment of the present invention is the wet body of the lid body (100) as shown in FIGS. 1, 2 (a) and (b). A small lid (200) is attached to a top plate (110) provided with an outlet (111) for taking out a tissue, and the rear end of the small lid is connected to the rear end portion of the top plate of the lid body via a hinge portion (400). When the small lid is closed (indicated by an arrow), the locking projection (221) provided at the lower end of the outer periphery of the peripheral wall (220) at the front end is opened. Is a locking hole for the mounting plate of the opening / closing locking member (300) composed of the pressing plate (310) and the mounting plate (320) which is attached to the opening / closing locking member mounting recess (101) at the front position of the top plate of the lid body. (321), and at this time, the hinge part of the top plate of the lid body The elastic member (500) provided in the vicinity of the side is pressed and bent by the small lid, and when the pressing plate of the opening / closing locking member is pressed, the locking of the opening / closing locking member is released, The small lid is automatically rotated backward by the restoring elastic force of the pushed and bent elastic member and is opened with one touch (indicated by an arrow). For example, as shown in FIG. 4, the small lid (200) is attached to the left and right side walls at the rear position of the small lid mounting recess (112) provided at the rear end of the lid main body. A rotating bearing recess (119) is provided opposite to the rotating bearing recess (119), and a rotating shaft (410) projecting at a target position on both sides of the lower end of the hinge portion (400) connected to the rear end of the small lid can be slid in the rotating bearing recess. The opening / closing locking member (300) is attached to the lid main body (100) as shown in FIG. 1 by attaching the opening / closing locking member provided at the front end of the lid main body. The opening / closing locking member mounting plate (320) is inserted into the opening / closing locking member insertion recess (118) at the rear end of the recess (101). Further, as shown in FIGS. 1 and 4, the elastic member (500) is attached in the vicinity of the front of the hinge portion (400) of the small lid attaching recess (112) of the top plate (110) of the lid body (100). An elastic member insertion portion (113) having an annular insertion convex portion (115) at the center position of the annular insertion concave portion (114) is provided at a predetermined position in the center in the left-right direction, and a small lid ( 200) is opened perpendicularly to the top plate of the lid body, and a tube spring (500) having a predetermined length is inserted vertically as an elastic member. In addition, in order to support the inserted elastic member, a pair of opposing elastic member support ribs (212) in the vertical direction project at a predetermined position in the center in the left-right direction on the lower top plate lower surface of the small lid. It is. In addition, as shown in FIG. 1, the fitting ring (121) for fitting to a container main body is provided in the surrounding wall (120) internal peripheral surface of a lid main body (100). The lid body and the small lid are usually produced by an injection molding method using a thermoplastic resin having an appropriate rigidity such as polypropylene.

As shown in FIG. 6, the structure of the wet tissue container lid (10) having the one-touch opening and closing structure of the small lid according to the second embodiment of the present invention is the same as that of the small lid mounting recess of the top plate (110) of the lid body (100). 112) is provided with an elastic member insertion portion comprising an annular insertion convex portion (115) in the front-rear direction at a predetermined position in the center in the left-right direction of the front facing wall surface of the hinge portion (400), and below the small lid (200) A pair of opposing elastic member support ribs (212) in the vertical direction are provided on the lower surface of the top plate at a predetermined position in the center in the left-right direction. With the tube spring (500) having a predetermined length as an elastic member being inserted at a right angle, the front end of the tube spring (500) is inserted into the annular insertion convex portion of the elastic member insertion portion. Along the bottom of the top lid of the small lid, the back end is supported by an elastic member It is to sandwiched Bed (212). Others are the same as the wet tissue container lid of Embodiment 2.

  In addition, the insertion convex part (115) of the elastic member insertion part in the wet tissue lid of Embodiment 1 described above has a hollow concave part (117) at the center, as shown in FIG. 5 (a) or (b). Thus, even if one or more locking rings (116) are provided on the outer peripheral surface to prevent the tube spring (500) of the elastic member from coming off, the locking ring that is undercut at the time of molding can be forcibly removed. Is possible.

  Moreover, as a material of the tube spring of the elastic member used in Embodiments 1 and 2, silicone rubber, polyurethane, ethylene-propylene rubber, or butadiene rubber can be used. Silicone rubber has good heat resistance and restoring elastic force, and ethylene-propylene rubber can be disposed of together without separation when the material of the lid and the small lid is polyolefin. In addition, the initial opening force that opens a little from the flat state of the tube spring generates a higher force in the thicker pipe, and the diameter does not contribute much. As for the opening force after straightening from the bent state, the pipe with larger diameter generates higher force, and the wall thickness does not contribute much.

It is sectional drawing when the small lid of the wet tissue container lid of Embodiment 1 of the one-touch opening-and-closing structure of the small lid of this invention is opened. (A) is a top view when the small lid of the wet tissue container lid | cover of FIG. 1 is opened, (b) is the front view. It is a fragmentary sectional view which shows the state of a tube spring when the small lid of the wet tissue container cover of FIG. 1 is closed. It is explanatory drawing which shows the state which attaches a small lid and a tube spring to the lid main body of the small lid of the wet tissue container lid of FIG. (A) is sectional drawing which inserts the tube spring of the insertion convex part of one Embodiment which provided the locking ring in the outer peripheral surface, (b) is the other which provided the locking ring in the outer peripheral surface It is sectional drawing which inserts the tube spring of the insertion convex part of one Embodiment. It is sectional drawing which shows the principal part when the small lid of the wet tissue container lid of Embodiment 2 of the one-touch opening / closing structure of the small lid of this invention is opened.

Explanation of symbols

10: Wet tissue container lid 100: Lid main body 101: Opening / closing locking member mounting recess 110, 210 ... Top plate 111 ... Outlet portion 112 ... Small lid mounting recess 113 ... Elastic member insertion portion 114 ... annular insertion recess 115 ... annular insertion projection 116 ... locking ring 117 ... hollow recess 118 ... opening / closing locking member mounting insertion recess 119 ... rotary bearing recess 120, 220 ... peripheral wall 121 …… Fitting rib 200 …… Small lid 211 …… Sealing ring 212 …… Elastic member support rib 221 …… Locking protrusion 300 …… Opening / closing locking member 310 …… Pressing plate 320 …… Mounting plate 321… ... Locking hole 400 ... Hinge part 410 ... Rotating shaft 500 ... Tube spring

Claims (4)

  It attaches to the top plate with the mouth part of the lid body, and the rear end is connected to the rear end of the small lid mounting recess at the rear end portion of the top plate of the lid body through the hinge part, and the front end when closed When the latching member is engaged with the locking member for opening / closing attached to the top front position of the lid main body and the locking member for opening / closing is released, the hinge portion of the top plate of the lid main body is In the one-touch opening and closing structure of the small lid that automatically opens backward by the restoring elastic force of the elastic member provided in the vicinity of the front, in the vicinity of the front of the hinge portion of the small lid mounting recess of the top plate of the lid body An elastic member insertion portion having an annular insertion convex portion at the center position of the annular insertion concave portion is provided at a predetermined position in the center in the left-right direction, and the small lid is attached to the top plate of the lid body at the elastic member insertion portion. A tube spring having a predetermined length is vertically inserted as the elastic member in a state of opening at a substantially right angle to the elastic member, and Lateral center position, the opposing pair of vertical direction of the elastic member supporting one-touch opening and closing structure of the small lid, wherein a rib projecting from the lower top plate lower surface of the lid.   It attaches to the top plate with the mouth part of the lid body, and the rear end is connected to the rear end of the small lid mounting recess at the rear end portion of the top plate of the lid body through the hinge part, and the front end when closed When the latching member is engaged with the locking member for opening / closing attached to the top front position of the lid main body and the locking member for opening / closing is released, the hinge portion of the top plate of the lid main body is In a one-touch opening / closing structure of a small lid that automatically opens backward by a restoring elastic force of an elastic member provided in the vicinity of the front, the front of the hinge portion of the small lid mounting recess of the top plate of the lid body A pair of upper and lower parts facing each other at a predetermined position in the left and right center at a predetermined position on the lower top plate of the small lid is provided at a predetermined position in the center in the left and right direction of the wall surface. Direction elastic member support ribs projecting, and the small lid is placed on the top of the lid body at the elastic member insertion portion. The tube spring is attached to the upper surface of the rear top plate of the lid body and the lower surface of the lower top plate of the small lid. A one-touch opening and closing structure for a small lid, wherein the rear end is sandwiched between the elastic member support ribs.   The one-touch opening and closing structure for a small lid according to claim 1 or 2, wherein the insertion convex portion has a hollow concave portion at the center and a locking ring on an outer peripheral surface.   4. The one-touch opening and closing structure for a small lid according to claim 1, wherein the material of the tube spring is any one of silicone rubber, polyurethane, ethylene-propylene rubber, and butadiene rubber. .

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