JP4534703B2 - One push open hinge cap - Google Patents

Description

  The present invention relates to a one-push open hinge cap in which the lid does not open due to an unexpected external impact during distribution or storage, and when used, the lid opens with a one-push opening and a pouring hole is opened. is there.

  Conventionally, a so-called hinge cap, in which a lid is connected via a hinge to the back of the peripheral wall of the cap body, is connected to the mouth and neck of a plastic bottle or glass bottle that contains liquid contents. It was installed by. As the hinge, a general hinge and a snap hinge (when the lid is not fully opened or closed, the lid is automatically opened or closed automatically from that position) were used.

  However, the above-mentioned hinge caps may float or open due to unexpected external shocks during the distribution process or storage, and dust may adhere to the inside of the lid of the cap body, or the contents may leak. There was also. Further, when used, since the opening / closing knob protruding from the lower end of the front portion of the peripheral wall of the lid must be picked with a finger to open the lid, workability and handling are sometimes poor.

  The present invention solves the problems of the conventional hinge cap described above, and the lid does not open due to an unexpected external impact during the distribution process or storage. And a one-push open hinge cap that can be integrally formed.

  That is, according to the first aspect of the present invention, the lid is opened and closed via a snap hinge portion comprising a central elastic bent plate having hinges at both ends and hinges on both right and left sides above the rear surface of the peripheral wall of the cap body. In the hinge cap that can be connected, the top plate of the cap body is provided with a stepped portion to which the lid is engaged, and a slide plate housing sliding contact recess groove is provided at the center of the stepped portion and the top plate so as to come out from the front to the rear. The pouring nozzle is erected at the center position of the slide plate housing sliding contact concave groove, and one or more pairs of slide plate lifting prevention sliding contact projections are provided at the opposite upper end positions on the left and right side surfaces, The lower end of the refracting push plate for opening having an L-shaped cross section is refracted to the peripheral wall side at a substantially right angle to the lower side of the direction, and is substantially on the extension line of the slide plate accommodating sliding contact groove of the opening refracting push plate. Through the hinge at the top of the height This slide plate is connected to a slide plate that is refracted substantially at right angles to the cap body side and is slidably received in the slide plate housing sliding contact concave groove of the cap body, and whose tip reaches the elastic bending plate at the center of the snap hinge portion. Is provided with a flat guide hole that can be slid by projecting the pouring nozzle of the cap body at the center position, and a lid push-up protrusion with a triangular cross section on the upper surface of the front position, and a refractive push plate for opening A stopper plate is connected to one side of the stopper plate through a hinge, and the stopper plate is refracted substantially perpendicularly to the peripheral wall side, and the tip of the stopper plate is locked in a locking groove provided downward from the upper end of the peripheral wall. When the cap is opened, the stopper plate is removed from the locking groove in the cap body, and the unsealing refracting push plate is installed. Pu Slide the slide plate backward, lift the lid with the lid push-up projection of the slide plate, push the elastic bent plate at the center of the snap hinge part backward with the tip of the slide plate, and elastic the elastic bent plate The one-push open hinge cap is characterized in that the lid is lifted up by force to open the lid, and after use, the lid is closed to the original state to seal the cap.

  A second invention of the present invention is the one-push open hinge cap according to the first invention, wherein the cap is integrally molded by an injection molding method.

  When the one-push open hinge cap of the present invention is used for the first time, first, the stopper plate that locks the refraction push plate for opening is pushed from the side with a finger or the like to remove it from the locking groove of the cap body, When the refraction push plate for opening is pushed backward with a finger, the slide plate connected to the refraction push plate for opening through the hinge slides backward, and the lid is lifted by the lid push-up projection of the slide plate, and the slide plate The tip pushes the elastic bending plate at the center of the snap hinge part backward, the lid is flipped up and opened by the elastic force of the elastic bending plate, and the pouring hole is opened. After use, press the top surface of the lid top with your finger and close the lid halfway forward. The lid closes to its original state by the elastic force of the elastic bending plate at the center of the snap hinge, and the spout hole Is sealed. If the stopper plate is not locked, when it is used again, the lid is opened and the pouring hole is opened simply by pushing the opening refraction push plate backward with a finger. For this reason, workability and handleability when used are good.

  In addition, the one-push open hinge cap of the present invention has a stopper plate that is connected to one side surface of the unsealing refracting push plate via a hinge during the distribution process and storage, and refracts almost perpendicularly to the peripheral wall plate side so that the tip is surrounded Therefore, the opening refraction push plate is firmly fixed, and the lid does not open even if there is an unexpected external impact.

  Further, the one-push open hinge cap of the present invention is a state in which the lid is opened horizontally with respect to the cap body in the injection molding, the open / close refracting plate and the slide plate are in the vertical state, and the open / close refracting plate. When the stopper plate on one side surface of this is opened in series with the open / close refracting plate in a mold, there are few undercut portions and integral molding is possible.

  Next, an embodiment of the one-push open hinge cap of the present invention will be described in detail with reference to the drawings.

  FIG. 1 is a perspective view showing the structure of a one-push open hinge cap according to the present embodiment and a state in a mold, and FIG. 2 is a perspective view showing an appearance when a lid is closed to the cap body. FIG. 3 is an explanatory diagram showing a state when the slide plate is inserted into the slide plate housing sliding contact concave groove of the cap body.

  As shown in FIG. 1, the structure of the one-push open hinge cap (10) of this embodiment is a hinge (311 at the both ends, not shown) above the rear surface of the peripheral wall (120) of the cap body (100). )) And a hinge cap to which the lid (200) is openably and closably connected via a snap hinge portion (300) comprising a central elastic bending plate (310) and left and right hinges. Then, when used, the front surface of the front opening refraction push plate (410) shown in FIG. 2 is pushed once with a finger to open the lid and open the spout. After use, the cap can be resealed by closing the lid to the cap body with a finger.

As shown in FIG. 1, the structure of the cap main body (100) of the present embodiment is provided with a stepped portion (111) to which the lid (200) is engaged, from the vicinity of the outer periphery of the top plate (110) to the inside. The slide plate housing sliding contact concave groove (112) having a narrow rear end that extends from the front to the rear spring hinge portion (300) is provided at the center position in the left-right direction of the head and the top plate. A pouring nozzle (114) for pouring the contents to be stored in the container is erected at the center position of the housing sliding contact groove, and the opposite upper end positions on the left and right side surfaces of the narrow rear end In addition, a pair of slide plate lifting prevention sliding contact projections (113) is provided, and on the lower side of the front surface of the peripheral wall (120), the refracting push plate (410) for opening having an L-shaped cross section is substantially perpendicular to the peripheral wall side. Connect the tip of the refracted lower end, this refraction push for opening The slide plate housing sliding contact groove of the cap body is refracted substantially perpendicularly to the cap body side via a hinge (421) at the upper end of the height approximately on the extension line of the slide plate housing sliding contact groove (112). A slide plate (420) that is slidably accommodated in (112) and whose tip reaches the elastic bending plate (310) at the center of the snap hinge portion (300) is connected, and at the center position of this slide plate (420), As shown in FIG. 3, a flat guide hole (423) that can slide by sliding out the outer peripheral surface of the pouring nozzle is provided by projecting the pouring nozzle (114) of the cap body, as shown in FIG. A lid push-up projection (422) having a cross-sectional shape of a right triangle and an inclined rear surface is provided on the upper surface of the outer front surface at the lower end of the outer peripheral surface of the lid (200), and as shown in FIG. On the right side of the push plate (410), A rectangular stopper plate (412) is connected via the screw (411), and the stopper plate is bent at a right angle toward the peripheral wall (120) side of the cap body, and the tip of the stopper plate is lowered from the upper end of the peripheral wall. It latches in the latching ditch | groove (121) provided in (1). The inner peripheral surface of the peripheral wall of the cap body is provided with a female screw that engages with the male screw on the outer peripheral surface of the mouth and neck of the container, or an occlusal ring that engages with the occlusal ring on the outer peripheral surface of the mouth and neck of the container. It is provided. In addition, on the front surface of the opening refraction push plate, a display that facilitates use when used is printed or engraved as necessary.

  As shown in FIG. 1, the structure of the lid (200) of the present embodiment includes a top plate (210) and a peripheral wall (220), and a pouring nozzle (114) of the cap body (100) on the bottom surface of the top plate. In this corresponding position, a sealing projection (211) for sealing the dispensing nozzle is suspended. The sealing protrusion seals the inclined outer peripheral surface gradually narrowing downward in close contact with the inner peripheral surface of the pouring nozzle of the cap body, and is an inner sealing ring or a sealing protrusion.

  As shown in FIG. 1, the one-push open hinge cap (10) of the present embodiment described above is configured such that the slide plate (420) is bent rearward at a substantially right angle by the hinge (421) and the cap body (100) is poured out. The nozzle (114) is projected into the guide hole (423), and the upper surface is pressed by the sliding plate lifting prevention sliding contact projection (113) provided at the rear end of the sliding plate housing sliding contact concave groove (112). The slide plate (420) is housed in the slide plate housing sliding contact groove (112) of the top plate (110) of the cap body (100), and as shown in FIG. 3, the stopper plate (412) is attached to the peripheral wall ( 120) and bent at a substantially right angle by the hinge (411) to lock the tip to the locking groove (121) (arrow), as shown in FIG. 2, the lid (200) is attached to the cap body (100). Close it is intended.

  As to how to use the one-push open hinge cap (10) of this embodiment shown in FIG. 2, when opening for the first time through the distribution process, as shown in FIG. 3, the stopper plate (412) is attached to the cap body (100). When the front surface of the opening bending push plate (410) is pushed with a finger, the lid opens from the cap body, The exit nozzle (114) opens. When resealing after use, close the lid to the original state and seal the cap. If the stopper plate is removed, the lid is opened and the dispensing nozzle is opened if the unfolding refractive push plate is pushed with a finger as it is in use.

  The injection molding method for the one-push open hinge cap according to the present embodiment uses a thermoplastic resin for polypropylene having moderate rigidity and hinge properties, and the lid (200) is attached to the cap body as shown in FIG. In the state opened horizontally with respect to (100), the open / close refracting plate (410) and the slide plate (420) are in the vertical state, and the stopper plate (412) on one side surface of the open / close refracting plate (410). ) Are integrally formed in the mold in a state opened in series with the open / close refracting plate.

It is a perspective view which shows the state in the metal mold | die for showing the structure of the one push open hinge cap of one Embodiment of this invention. It is a perspective view when the lid | cover of the one push open hinge cap of FIG. 1 is closed to the cap main body. It is explanatory drawing which shows a state when the slide board of the one push open hinge cap of FIG. 1 is inserted in the slide board accommodation sliding contact concave groove of a cap main body.

Explanation of symbols

10 …… One push open hinge cap 100 …… Cap body 110, 210 …… Top plate 111 …… Step portion 112 …… Sliding plate accommodation sliding contact groove 113 …… Sliding plate lifting prevention sliding contact projection 114 …… Pouring Nozzle 120, 220 ... peripheral wall 121 ... locking groove 200 ... lid 211 ... sealing projection 300 ... spring hinge 310 ... elastic bending plate 311, 421 ... hinge 410 ... refraction push plate 411 for opening ...... Hinge 412 ...... Stopper plate 420 ...... Slide plate 422 …… Lid push-up projection 423 …… Guide hole

Claims (2)

  A hinge cap in which a lid is openably and closably connected via a snap hinge portion comprising a central elastic bending plate having hinges at both ends and hinges on both left and right sides above the rear surface of the peripheral wall of the cap body. The top plate is provided with a step portion to which the lid is engaged, and a slide plate housing sliding contact groove that extends from the front to the rear is provided at the center of the step portion and the top plate, and the center of the slide plate housing sliding contact groove is provided. The pouring nozzle is erected at the position, and one or more pairs of sliding plate anti-sliding protrusions are provided at the opposite upper end positions on the left and right side surfaces, and the cross-sectional shape is L-shaped below the front surface of the peripheral wall. Connect the lower end refracted to the peripheral wall side at a substantially right angle of the opening refraction push plate, through the hinge at the upper end of the height of the slide plate housing sliding contact concave groove of the opening refraction push plate, Refraction at almost right angle toward the cap body The slide plate of the cap body is slidably received in the sliding groove, and the slide plate is connected to the elastic bent plate at the center of the snap hinge. A flat guide hole slidable by projecting the exit nozzle is provided, a lid push-up protrusion with a triangular cross-section is provided on the upper surface of the front position, and a hinge is provided on one side of the refraction push plate for opening. A stopper plate is connected, the stopper plate is bent almost perpendicularly to the peripheral wall side, and the tip of the stopper plate is locked in a locking groove provided downward from the upper end of the peripheral wall. When the cap is opened, the stopper plate is removed from the locking groove on the cap body, and the unfolding push push plate is pushed to slide the slide plate backward. The lid is raised by the lid push-up projection of the slide plate, and the elastic bent plate at the center of the snap hinge is pushed backward by the tip of the slide plate, and the lid is flipped up by the elastic force of the elastic bent plate. A one-push open hinge cap characterized in that after opening and use, the cap is sealed by closing the lid in its original state.   The one-push open hinge cap according to claim 1, wherein the cap is integrally molded by an injection molding method.

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