JPH0644839Y2 - Liquid pouring cap - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION "Industrial field of application" The present invention relates to a pouring cap for discharging a liquid such as liquid or cream.

"Prior Art" As shown in Figs. 10 and 11, a rear upper end of a cap body 1 that hangs a peripheral wall 4 fitted to a neck of a container body from a peripheral edge of a top wall 3 with a pouring hole, The rear lower end of the cover plate 6 which is placed on the upper surface of the top wall 3 by closing the pouring hole is connected by the first hinges 10 and 10 at the left and right portions, respectively, and the space between the two first hinges is lowered. Both ends of the elastic strip 9 formed in an inverted L shape are connected to the rear surface of the cap body peripheral wall portion and the upper surface of the lid plate upper wall portion in front of the first hinge via the second and third hinges 8a and 8b. Known caps. The cap is called a three-point hinged cap, and the elastic strip 9
Due to the elastic deformation of, the first hinges 10 and 10 are elastically inverted about the center to open and close the lid. Reference numeral 5 shows the elastic reversing mechanism.

[Problems to be solved by the invention] The cap has the convenience of being able to open and close the cover plate 6 by elastically reversing it, but since the outer surfaces of the first hinges 10 and 10 form corners, there is a risk of hand injury. there were.

This plan eliminates the above-mentioned drawbacks by covering the corners with a part of the elastic band plate, increases the diameter of the upper part of the cap body, and makes the elastic band plate U-shaped to be fitted to the rear part of the large diameter part. In this state, the second hinge 8a is positioned more forward than the lower side of the first hinge 10 so that the opening angle is larger than that of the conventional one, and the elastic strip plate projects outward from the cap to give the appearance of the cap. It is provided so as not to damage or disturb the user.

"Means for Solving the Problem" The upper portion of the peripheral wall 4 has a large outer diameter portion of a circular shape, and the rear portion of the large outer diameter portion of the cap body 1 in which a pouring hole 2 is formed in the top wall 3 that closes the upper surface is cut out. At the same time, the rear portion of the short peripheral wall of the cover plate 6 having the same outer diameter as the large outer diameter portion, which is placed on the upper surface of the top wall 3 by closing the pouring hole, is cut out, and the lower end of the notched portion and the The first hinge is provided with the upper end of the notched portion of the cap body that contacts the lower end.
10, and the rear portion of the lid plate upper wall in front of the lid plate short peripheral wall cutout portion is cut off, and the cutout portion, each rear cutout portion of the lid plate short peripheral wall and the cap body large outer diameter portion, and The first hinge 10 and the rear lower surface of the large outer diameter portion of the cap body are covered with an elastic strip 9 having a U-shaped cross section, and the lower end of the elastic strip and the lower front portion of the rear portion of the large outer diameter portion of the cap body are covered. , And the upper end portion and the front end edge of the cut portion of the lid plate upper wall end portion are connected by the second and third hinges 8a and 8b, and the upper plate portion upper surface of the elastic strip 9 and the lid plate upper wall are connected. And the upper rear surface of the elastic strip vertical plate portion and the rear surface of the cover plate short circumferential wall are substantially flush with each other, and the rear surface of the elastic strip vertical plate lower portion is rear surface extension of the large outer diameter portion of the cap body. Positioned on the plane.

[Operation] When the front portion of the lid 6 is pushed up from the closed state shown in FIG. 1 etc., the lid plate is elastic about the first hinge 10 up to a thought point in the middle of the rotation. Against, and when it passes the thought point, it is urged by the elastic restoration and the lid is opened. Even in the case of closing the lid, it resists elasticity up to the thought point and is biased after passing the thought point to close the lid. When the lid is closed, the first hinge 10 is covered by the vertical plate portion of the elastic cover plate.

"Embodiment" FIGS. 1 to 3 show a first embodiment. Explaining the first embodiment, reference numeral 1 is a cap main body, which hangs a peripheral wall 4 from a top wall 3 having a pouring hole 2. The upper portion of the cap body has a circular large outer diameter portion, and the rear portion of the large outer diameter portion is cut out. A nozzle stands up from the pouring hole.

Reference numeral 6 denotes a lid plate having the same outer diameter as that of the large outer diameter portion. A short peripheral wall is hung from the outer periphery of the upper wall, and the lower end of the short peripheral wall is placed on the outer peripheral portion of the cap body top wall 3. From the upper wall, a plug that fits the nozzle and closes the pouring hole 2 is hung. The lid plate is formed by cutting the rear portion of the short peripheral wall with a constant width, and notching the rear surface of the constant short peripheral wall portion on both sides of the cut portion to form the short peripheral wall portion lower end of the cutout portion and the cap main body upper end portion in contact with the lower end, The small protrusions are respectively projected rearward, and the rear ends thereof are connected to each other so that the first
It has hinges 10 and 10. Further, the rear portion of the upper wall in front of the cutout portion and the cutout portion of the lid plate is cut out as an upper horizontal plate fitting portion of the elastic strip.

Reference numeral 9 is an elastic strip having a U-shaped cross-section. The inner surfaces on both sides are cut out to form thin-walled portions 11 and 11. The thin-walled portions 11 and 11 of the vertical plate portions are applied to the first hinges 10 and 10, and the lower horizontal plate portion is formed. To the front surface of the lower surface of the large outer diameter portion of the cap body, and the front end portion of the upper horizontal plate portion to the front edge of the upper wall resection portion.
It is connected by the third hinge 8b. The upper half of the vertical plate portion and the horizontal plate portion of the elastic strip are fitted into the cutouts and cutouts of the cover plate, and are flush with the upper and outer surfaces of the cover plate. The outer surface of the lower half of the vertical plate portion is also positioned on the extended curved surface of the outer peripheral surface of the large outer diameter portion of the cap body. Reference numerals 7 and 7 denote inner side edges of the thin portions 11 and 11.

The elastic band plate and the first, second, and third hinges that form the elastic reversing mechanism portion 5 of the lid plate 6 include the cap body 1, the lid plate 6,
The elastic strip 9 is integrally formed of a synthetic resin material by the above-mentioned hinge connections.

FIG. 4 shows a second embodiment. In this embodiment, the rear portion of the short peripheral wall of the cover plate is not cut off, and only the notch on the rear surface is formed.
10 is formed as a wide single part.

5 to 9 show a third embodiment. The embodiment is the fifth
As shown in the figure, the cap is formed of two members, and a recess 12 is provided in the rear portion of the large outer diameter portion of the cap body 1, and a mounting portion 13 to the recess is provided with the elastic reversing mechanism portion 5 and the lid plate. 6
It is attached to the. A erection plate 14 is provided between the left and right side surfaces of the recess, the mounting portion 13 is bifurcated, and the erection plate 14 is sandwiched by the bifurcated portions, and the lower front surface of the front leg 15 forming the bifurcated portion and the portion. Engagement preventing engagement means 16 and 17 are attached to the front wall portion of the recess which is in contact with.

[Advantages of the Invention] Since the present invention has the above-described configuration, when the lid is closed, the rear surface of the vertical plate portion of the elastic strip 9 is the extended curved surface of the outer peripheral surface of the large outer diameter portion of the upper peripheral wall of the cap body, and the short peripheral wall of the lid plate. From the rear surface to the rear, and the upper surface of the elastic band plate upper plate portion does not project upward from the upper surface of the lid plate upper wall, thereby improving the appearance of the cap, and the first hinge 10 is provided with the elastic band. Board 9
Since it is covered with, there is no possibility of touching the corners of the first hinge and damaging the hand, and the elastic strip 9 of the conventional cap with a three-point hinge has an inverted L-shape as compared with the conventional one. Then, the upper portion of the cap body and the lid plate have a large outer diameter, and the elastic strip plate 9 formed in a U shape is positioned in a fitted state to the rear portion of the large outer diameter portion so that the lower end portion of the elastic strip plate is The rear of the large outer diameter part of the cap body, the front part of the lower surface, the upper end part and the front end edge of the cutout part of the rear part of the upper wall of the cover plate are connected to the second and third hinges 8a, 8b.
Since it is connected by, the opening angle can be made larger than in the conventional case.

That is, this will be explained with reference to FIG. 12. In the conventional cap, since the second hinge is located at B below the first hinge 10, the end portion of the elastic strip on the third hinge 8b side is located at the second hinge position. An arc centered on B and having a radius up to the third hinge 8b
Although trying to move along L2, the lid plate 6 has the first hinge 10
Since the elastic strip plate is rotated around the center, the elastic strip plate is elastically deformed to move along the arc L3, and when the intersection X2 of the two arcs is reached, the elastic strip plate elastically restores and stops.

In the cap of the present invention, the elastic band plate is U-shaped and the position of the second hinge is A in the cap of the present invention. Therefore, the end of the elastic band plate on the side of the third hinge 8b is centered on the position A of the second hinge. As a result, the lid body rotates about the first hinge 10 as described above, so that the elastic strip deforms to the arc L3. It moves along and stops due to elastic restoration at the intersection X1 of both arcs.

9a shows the position of each elastic strip when the lid is opened, and 9b shows the position of each elastic strip of the conventional cap.

As is apparent from the above description, the cap of the present invention can have a larger opening angle than the cap with the three-point hinge of the related art, so that the cover plate 6 does not get in the way when the cap is opened. It is not necessary to take out the spout from the hole 2.

[Brief description of drawings]

FIGS. 1 to 3 show a first embodiment of the cap of the present invention. FIG. 1 is a perspective view thereof, FIG. 2 is a plan view of essential parts when the lid is opened, and FIG. 3 is a view when the lid is opened. A perspective view, FIG. 4 is a perspective view showing the second embodiment with the lid opened, and FIGS.
Fig. 5 shows an embodiment, Fig. 5 is an exploded perspective view thereof, Fig. 6 is an enlarged sectional view of an essential part thereof, Fig. 7 is a plan view of Fig. 6, and Fig. 8
The figure is a rear view, FIG. 9 is an enlarged cross-sectional view of an essential part in the state where the lid is opened from the state of FIG. 6, FIGS. 10 and 11 show a conventional example, and FIG. 10 is a perspective view. Fig. 11 is a side view when the lid is opened, Fig. 12
The figure is an explanatory view of comparison of each action between the cap of the present invention and the cap of the conventional example. 1 ... Cap body, 8a ... 2nd hinge 8b ... 3rd hinge

Claims (1)

[Scope of utility model registration request] 1. A rear portion of the large outer diameter portion of a cap body 1 in which a spout hole 2 is formed in a top wall 3 which closes an upper surface of the peripheral wall 4 with a circular large outer diameter portion being cut out, and the above-mentioned pouring is performed. The rear portion of the short peripheral wall of the cover plate 6 having the same outer diameter as the large outer diameter portion, which is placed on the upper surface of the top wall 3 with the exit hole closed, is cut out to make contact with the lower end and the lower end of the notched portion. The upper end of the notched portion of the cap body is connected by the first hinge 10, and the rear portion of the lid plate upper wall in front of the notched portion of the lid plate short peripheral wall is cut off, and the cut portion, the short peripheral wall of the lid plate and the large cap body are cut off. Each rear cutout portion with the outer diameter portion, the first hinge 10, and the rear lower surface of the large outer diameter portion of the cap body are covered with an elastic strip plate 9 having a U-shaped cross section, and the lower end portion of the elastic strip plate and the cap are covered. With the front of the lower surface of the rear of the large outer diameter of the main unit,
In addition, the upper end and the front end edge of the cut portion of the lid plate upper wall end,
Second and third hinges 8a, 8b are connected to connect the upper plate upper surface of the elastic strip 9 to the upper surface of the lid plate upper wall, and the upper rear surface of the elastic strip vertical plate portion and the rear surface of the lid plate short peripheral wall. Is substantially flush with each other, and the rear surface of the lower portion of the vertical plate portion of the elastic strip is positioned on the extended curved surface of the outer peripheral surface of the large outer diameter portion of the cap body.