JP2000203613A - Cap with small lid - Google Patents

Abstract

PROBLEM TO BE SOLVED: To open and close a cap by one-touch single operation without a projection part on the outer periphery of the cap. SOLUTION: This cap with small lid comprises a cap main body having a small lid connected thereto and a middle cap, in which the cap main body 100 includes a sealing projection made at the central part of a top plate, an outflow hole made at the outside top plate, a slide ring having an engagement sliding part at its tip end being vertically set on the top plate at the outside adjacent position of the outflow hole, a joint ring to be joined with a container at the outside top plate, a connection plate being connected to one side of the outer periphery of a circumferential wall via a hinge, and the middle cap, and the middle cap 200 includes a pour opening made at the central part of top plate, a sliding ring having a seal sliding part perpendicularly formed at its lower end at a position corresponding to the outflow hole of the cap main body, a rotation plate housing recess part defined at one side of the circumferential wall, a bearing recess part defined in a state being opposite to its left and right side surfaces, a fitting projection tentatively joined with small lid upside, and the small lid 300 includes a sealing ring provided at the central part of the top plate, a rotational shaft plate having rotation shaft projection parts at both left and right sides at the lower end furnished at one side of the peripheral part, and a connection plate at the top plate outer periphery at the rear side thereof via the hinge.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cap with a small lid used for a container of liquid or viscous material.

[0002]

2. Description of the Related Art Conventionally, snap hinge caps and push-pull caps have been used as caps to be attached to the mouth and neck of a container containing a liquid or viscous material because of their ease of use during use. . The snap hinge cap automatically opens or closes according to the opening position of the opened small lid, and the push-pull cap pulls up the tip member fitted to the tip of the cap to open the spout and protrudes. To close the spout.

[0003]

However, in the above-described snap hinge cap, the snap hinge mechanism portion is inevitably projected on the side surface of the cap, and the projecting snap hinge mechanism portion causes the filling step, the capping step and the shrink step to be performed. And caused trouble. In addition, the push-pull cap has a structure in which the spout is not covered, so that dust and the like easily adhere to the spout during distribution or storage. Was sometimes difficult.

The present invention solves the above-mentioned problem of the conventional cap, which has no protrusion on the outer periphery of the cap, can be opened and closed by one-touch operation, and is small in size so that dust or the like does not adhere to the spout during distribution or storage. A cap with a lid is provided.

[0005]

That is, according to the present invention, an inner cap is slidably engaged with the cap body above and below the cap body, and the cap body, the upper end and the lower end are located above the inner cap. A plastic cap with a small lid, which is openably and closably attached to a small lid connected via a connection plate having a hinge, wherein the cap main body has a sealing projection formed upright at a central portion of an upper surface of a top plate. An outflow hole is provided in the top plate outside the sealing convex portion, and a sliding contact ring having a locking sliding portion at an end thereof is erected on the top surface of the top plate adjacent to the outside of the outflow hole, and the sliding contact ring is provided. An engagement ring that engages with the container is vertically provided on the lower surface of the outer top plate, and the connection plate is connected to one side of the outer peripheral surface of the peripheral plate via a hinge at the lower end. A spout at a position corresponding to the sealing projection of the cap body, and A sliding ring having a sealing sliding portion at the lower end is vertically provided at a position corresponding to the outlet hole of the cap body, and a rotating plate housing recess is provided on one side of the peripheral wall, and the rotating plate housing recess faces the left and right side surfaces of the recess. A bearing recess is provided for each, and a fitting projection for temporarily locking the small lid is provided above the bearing recess,
The small lid is provided with a sealing ring for sealing the spout of the inner cap on the center of the lower surface of the top plate, and the inner cap on the left and right sides of the lower end on one side of the peripheral portion of the lower surface of the top plate. A small lid, wherein a rotating shaft plate having a rotating shaft convex portion pivotally attached to a bearing recess is vertically provided, and the connection plate is connected to an outer periphery of a top plate behind the rotating shaft plate via a hinge at an upper end. With cap.

[0006]

The cap with the small lid according to the present invention is provided on the top plate of the cap main body when the contents are poured out, by picking both sides of the peripheral wall of the inner cap with fingers and moving the inner cap upward. The sealing sliding portion at the lower end of the sliding contact ring of the inner cap that sealed the inflow hole moves upward to open the outflow hole, and the sealing provided in the center of the top plate of the cap body The spout at the center of the top plate of the inner cap, which has been sealed with the projection, opens. At the same time, the small lid, which is connected to the cap body by a connecting plate having hinges at both upper and lower ends and is attached to the inner cap, is pivotally attached to bearing recesses provided on the left and right side surfaces of the rotating shaft plate receiving recess on the peripheral wall of the inner cap. The rotating shaft plate rotates rearward with the rotating shaft projections provided on the left and right sides of the lower end of the rotating shaft plate of the small lid as a rotation axis, and the small lid is opened from the inner cap.
When closing the cap, pressing the open small lid so as to cover the inner cap, the inner cap is also pressed by the rotating plate rotating forward of the small lid and descends, and the cap body is closed. Is sealed by the sealing sliding portion of the inner cap, the outlet of the inner cap is sealed by the sealing projection of the cap body, and the entire cap is sealed. As described above, opening and closing of the cap can be performed by a one-touch operation.

In the cap with a small lid according to the present invention, a connecting plate having hinges at both upper and lower ends for connecting the cap body and the small lid is flat, and there is no protrusion on the outer periphery of the cap. No trouble occurs during the shrink process.

[0008] When the cap is sealed, the inner cap provided with the spout is covered with a small lid so that dust or the like does not adhere to the spout during distribution or storage.

[0009]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a cap with a small lid according to an embodiment of the present invention.

A cap with a small lid (1) according to an embodiment of the present invention
4), as shown in FIG. 4, an inner cap cap (200) is slidably engaged with the cap body (100) above and below the cap body (100), and the cap body, the upper end and the lower end are disposed above the inner cap. A plastic small cap with a small lid (10) which can be opened and closed with a small lid (300) connected via a connecting plate (400) having a hinge. The cap body and small lid are made integrally by injection molding using a thermoplastic resin such as polypropylene, and the inner cap is made by injection molding using a thermoplastic resin such as polypropylene or polyethylene. is there.

The structure of the above-mentioned cap body (100) is as follows.
As shown in FIG. 1, a sealing projection (130) is provided upright at the center of the top surface of the top plate (110), and an outflow hole (111) is provided in the top plate outside the sealing projection to provide an outflow hole (111). A sliding ring (140) having a locking sliding portion (141) at the tip is erected on the top surface of the top plate adjacent to the outside of the hole, and an inner side engaged with the container is provided on the lower surface of the top plate outside the sliding contact ring. Direction engaging part (151)
The engagement ring (150) having the lower end at
20) A connection plate (400) is connected to one side of the outer periphery via a hinge (401) at the lower end. Note that the engagement portion provided on the engagement ring may be formed by screwing.

The structure of the inner cap 200 is as follows.
As shown in FIG. 1, the inner cap (200) is provided at the center of the top plate (210) with a sealing projection (13) of the cap body.
0), and a slide ring (24) having a sealing slide (241) at the lower end at a position corresponding to the outflow hole (111) of the cap body on the lower surface of the top plate.
4), a rotary plate housing recess (230) is provided on one side behind the peripheral wall as shown in FIG. 4, and as shown in FIG.
Opposing bearing recesses (231) are provided on the left and right side surfaces of the rotating plate housing recess (230), and fitting projections (232) for temporarily locking the upper surface of the rotating plate (330) of the small lid above the bearing recesses. ) Is provided.

As shown in FIG. 1, the structure of the small lid (300) is such that a sealing ring (311) for sealing the spout (211) of the inner cap at the center of the lower surface of the top plate (310).
(Closely sealed to the outer peripheral edge of the spout of the top plate of the inner cap), and as shown in FIGS.
0) A rotating shaft plate (330) having a rotating shaft protrusion (331) pivotally attached to the bearing recess (231) of the inner cap (200) is vertically provided on one side of the lower peripheral edge of the lower surface on both left and right sides of the lower end. Then, as shown in FIG. 1 and FIG.
The connection plate (400) is connected to the outer periphery of the top plate (310) behind the connection plate (0) via the hinge (402) at the upper end.

Next, the opening / closing mechanism of the cap with small lid according to the present invention will be described. When opening the container (20) in which the cap (10) with the small lid of the present invention shown in FIG. 1 is attached to the mouth and neck (21), as shown in FIG.
When the inner cap was moved upward by picking both sides of the peripheral wall (220) with fingers, the inlet hole (111) provided in the top plate (110) of the cap body (100) was sealed. The sealing sliding portion (241) at the lower end of the sliding contact ring (240) of the inner cap moves upward to open the outflow hole (111), and is provided at the center of the top plate of the cap body. The spout (211) at the center of the top plate of the inner cap, which has been sealed with the sealing projection (130), opens. At the same time, a small lid (300) which is connected to the cap body by a connecting plate (400) having hinges (402, 401) at both upper and lower ends and is attached to the inner cap is provided with a peripheral wall (220) of the inner cap (FIG. 4).
Rotating shafts provided on the left and right sides of the lower end of the rotating shaft plate (330) of the small lid pivotally attached to the bearing recess (231) shown in FIG. 2 provided on the left and right sides of the rotating shaft plate housing recess (230) shown in FIG. With the convex portion (331) as a rotation axis, as shown in FIG.
The rotating shaft plate (330) rotates backward and the small lid (300) is opened from the inner cap (200). Then, as shown by the two-dot chain line in FIG. 3, when the small lid (300) is opened vertically by a finger, the connecting plate (300) is bent outward and becomes in a negative state, and the rotation axis of the small lid is rotated. The upper surface of the plate (330) fits into the fitting projection (232) shown in FIG. 2 provided on the side surface of the rotary shaft plate accommodating recess (230) of the inner cap (200) and is temporarily locked, so that it is naturally small. The lid never closes. As shown in FIG. 3, the sealing stopper (241) at the lower end of the sliding contact ring (240) of the inner plug cap (200) has an upper end of the sliding contact ring (140) of the cap body (100). Since it engages with the locking sliding portion (141), it does not come off from the cap body.

When closing the container, the tip of the open small lid is tilted forward with a finger, so that the upper surface of the rotary shaft plate of the small lid is provided on the side surface of the rotary shaft plate housing recess of the inner cap. When the small cap is removed from the fitting projection and further pushed forward, it is pushed by the rotation shaft of the small lid to lower the inner cap. When the small lid is crowned on the inner cap, as shown in FIG. The outflow hole (111) of the inner plug cap (200) is sealed by the sealing sliding part (241) at the lower end of the sliding contact ring (240) of the inner plug cap (200), and the spout (2) of the inner plug cap (200).
11) is sealed by a sealing projection (130) of the cap body, and the spout is double-sealed with the sealing ring (311) of the small lid closely contacting the outer peripheral edge thereof. At the start of the closing of the small lid, the connecting plate that has been curved in the negatively biased state extends, and this elastic force assists in closing the small lid.

[0016]

According to the cap with the small lid of the present invention, when the inner cap is moved upward by picking both sides of the peripheral wall of the inner cap with a finger, the small lid is opened, the spout is opened, and the small lid is vertically moved. When it stands, it is temporarily locked, and the small lid does not close naturally. Also, when the open small lid is pressed to cover the inner cap, the inner cap is also lowered, the outlet hole of the cap body is sealed, and the spout of the inner cap is also sealed. The opening and closing of this cap can be performed by a one-touch operation.

Further, the cap with the small lid according to the present invention has no protrusion on the outer periphery of the cap, and does not cause any trouble in the filling step, the capping step and the shrink step.

Further, since the spout is covered with the small lid, dust or the like does not adhere to the spout during distribution or storage.

[Brief description of the drawings]

FIG. 1 is an explanatory view showing the structure of one embodiment of a cap with a small lid of the present invention attached to a container.

FIG. 2 is a perspective view showing a structure of a pivotally connecting portion between the rotary shaft plate accommodating recess of the inner cap and the rotary shaft plate of the small lid;

FIG. 3 is an explanatory view showing a structure of the cap with a small lid of the present invention attached to a container when the small lid is opened.

FIG. 4 is a perspective view of the cap with the small lid of the present invention attached to the container when the small lid is opened.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... Cap with a small lid 20 ... Container 21 ... Neck and neck part 23,151 ... Engaging part 100 ... Cap main body 110,210,310 ... Top plate 111 ... Outflow holes 120,220,320 ... ... peripheral wall 130 ... sealing convex part 140, 240 ... sliding contact ring 141 ... locking sliding part 150 ... engagement ring 200 ... inner plug cap 211 ... outlet spout 230 ... rotary shaft plate housing concave part 231 bearing recess 232 fitting protrusion 233 pedestal projection 241 sealing sliding part 300 small lid 311 sealing ring 330 rotating shaft plate 331 rotating shaft convex portion 400 connection plate 401, 402 hinge

Claims (1)

[Claims] An inner cap is slidably engaged with the cap body above and below the cap body, and is connected to the cap body above the inner cap via a connection plate having hinges at upper and lower ends. A plastic cap with a small lid on which the small lid is openably and closably mounted, wherein the cap main body has a sealing projection erected at the center of the top surface of the top plate, and a ceiling outside the sealing projection. An outflow hole is provided in the plate, and a sliding contact ring having a locking sliding portion at the end is provided upright on the top surface of the top plate at a position adjacent to the outside of the outflow hole. A fitting engagement ring is vertically provided, and the connection plate is connected to one side of the outer periphery of the peripheral wall via a hinge at a lower end, and the inner cap is provided with a sealing convex portion of the cap body at a central portion of the top plate. A spout is provided at a corresponding position, and a sealing slide is provided at a position corresponding to the outlet hole of the cap body on the lower surface of the top plate. A sliding ring having a portion at the lower end is vertically provided, a rotating plate receiving recess is provided on one side of the peripheral wall, and bearing recesses are provided on the left and right side surfaces of the rotating plate receiving recess, respectively, and a small bearing is provided above the bearing recess. A fitting projection for temporarily locking the lid is provided, and the small lid is provided with a sealing ring for sealing the spout of the inner cap at the center of the lower surface of the top plate, and one side of a peripheral portion of the lower surface of the top plate. A rotating shaft plate having a rotating shaft convex portion pivotally attached to the bearing concave portion of the inner cap on the left and right sides of the lower end, and the connection plate is hinged at an upper end to an outer periphery of a top plate behind the rotating shaft plate. A cap with a small lid, wherein the cap is connected via a.