JP4671650B2 - Hinge cap - Google Patents

Description

  The present invention relates to a hinge cap capable of opening and closing a spout leading to a container without separating the container and the lid.

The hinge cap makes it easy to open and close the spout leading to the container by swinging the lid connected by the hinge to the base attached to the mouth of the container, such as shampoo, rinse, kitchen detergent, etc. It is used for daily necessities, foods, cosmetics, medicines and various other uses. For this reason, various types of hinge caps have been proposed, and so-called mirror hinge caps that use a hinge and an elastic piece together to give a biasing force to the swinging of the lid, and various variations in cap colors Have been proposed in which the lid and the base are separated from each other (see, for example, Patent Document 1).
Japanese Utility Model Publication No. 6-3804

  However, in such a hinge cap, if the hinge is made thick, cracks may occur due to the folding phenomenon of the hinge, and the hinge may be broken. On the contrary, this results in poor mechanical strength, and when the lid is rocked to open and close the spout, if a force in a direction different from the rocking direction is applied to the lid Because the force concentrates on the hinge having a thin wall part for bending, the strength of the hinge decreases due to deformation fatigue etc. as the opening / closing frequency of the lid increases. In the worst case, there were problems such as breaking. In addition, an improper opening / closing operation force from the lateral direction (the rotation direction of the lid) and the twisting direction during the opening / closing operation acts on the hinge, and the hinge may break along with this, obstructing the function as a hinge cap. Also had problems.

  The problem to be solved by the present invention is excellent in durability by effectively dispersing the force concentrated on the hinge when the lid is swung to open and close the spout leading to the container provided in the base. It is to provide a hinge cap.

The present invention provides a base that includes at least a top wall that is attached to a mouth of a container and has a spout opening that leads to the container, a lid that fits the top wall of the base and closes the spout, and a connection connected to the base. A cap having an end and a connecting end connected to the lid, and a hinge for swingably holding the lid,
Between the connecting end connected to the base and the hinge, there is provided an engaging base for absorbing and relaxing the force acting on the hinge,
The engaging base has a base main body placed on the base, and a leg that can be deformed while elastically supporting the base main body on the base,
At the corner of the mating surface with the lid on the base side, a concave step is formed that is cut out in an arc shape and recessed on the spout side.
Further, the engagement base is adapted to follow the force that causes the lid to rotate by fitting to the bottom surface formed on the base body that slidably contacts the upper end of the step provided on the base and the arcuate shape of the concave surface. And has a convex surface that slides on the concave surface, and is placed on the base so as to be movable by being arranged at the step,
The hook as the connection end provided at the lower end of the leg portion is engaged and fixed in the through hole provided in the bottom surface of the step.

In the present invention, it is preferable that the engaging base has a lateral groove that extends along a folding line of the hinge and can be deformed following a force that causes twisting of the lid .

  According to the present invention, when the lid is swung to open and close the spout, when a force causing rotation is applied to the lid and the force acts on the hinge, the force acting on the hinge is And the engagement base provided between the coupling end and the coupling end follows the rotation of the lid body and is absorbed by sliding slightly with respect to the base or the lid body at the sliding surface. The stress concentrated on the hinge is dispersed. Therefore, when the lid body is swung to open and close the spout, even if a force that causes rotation is applied to the lid body, the hinge is not easily stretched or broken, and the durability of the cap can be improved. it can. In this case, in particular, at least one of the mating surfaces of the base and the lid is provided with a step that forms a concave surface that is recessed on the spout side by notching the corner of the mating surface in an arc shape. The hinge is obstructed if the bottom surface slidably contacts the upper end of the step and the convex surface that slides on the concave surface following the force that causes rotation of the lid body by fitting to the arc shape of the concave surface. The entire cap can be made compact without becoming.

  Further, according to the present invention, when the lid is swung to open and close the spout, when a force causing twisting is applied to the lid and the force acts on the hinge, the force acting on the hinge is Since the lateral groove of the engaging base provided between the hinge and its connecting end is absorbed by being slightly deformed following the twisting of the lid, the stress concentrated on the hinge is dispersed. Therefore, even if a force causing twisting is applied to the lid, elongation or breakage at the hinge is difficult to occur, and the durability of the cap can be improved.

  Further, according to the present invention, when the lid is swung to open and close the spout, a force that causes the lid to swing and / or a force that causes the lid to rotate is applied. When the force acts on the hinge, the force acting on the hinge is such that the leg portion supporting the base body of the engaging base provided between the hinge and the connecting end has a swing range of the lid. The stress concentrated on the hinge is dispersed because it is absorbed by being slightly elastically deformed following the swing. Therefore, even if a force that causes a swing exceeding the swing range is applied to the lid, elongation or breakage at the hinge is unlikely to occur, and the durability of the cap can be improved.

  1 to 3 are a front view, a cross-sectional view taken along line AA, and a rear view, respectively, showing a hinge cap 100 according to one embodiment of the present invention.

  1-3, reference numeral 110 denotes a base attached to a mouth portion of a container (not shown), an inner cylinder 111 screwed to the mouth portion of the container, and a concentric double arrangement with the inner cylinder 111. The outer cylinder 112 is connected by a top wall 113 having a spout 110a that leads to the container. Further, a step 114 is provided on the mating surface 113f of the top wall 113 with the lid 120 by cutting out the corner of the mating surface 113f into an arc shape. The step 114 has a concave surface 115 that is recessed in a substantially semi-cylindrical shape toward the spout 110a side, and a bottom surface 116 that is connected to the concave surface 115 and the outer cylinder 112. The bottom surface 116 has a through hole 116a. Is provided.

  Reference numeral 120 denotes a lid that closes the spout 110 a in alignment with the top wall 113 of the base 110. The lid 120 integrally includes a hinge piece 121a that swings around a thin folding line L and a hinge 121 that includes an elastic piece 121b that applies a biasing force to the swing of the hinge piece 121. The hinge 121 has a hook 122 engaged and fixed to a through hole 116a provided in the base 110 as a connecting end connected to the base 110, and holds the lid 120 so as to be swingable with respect to the base 110.

  In this embodiment, between the hinge 121 and the hook 122 connecting it to the base 110, a force F1 causing rotation of the lid 120 (see FIG. 1) and a force causing twisting of the lid 120 (see FIG. 2). Further, the lid 120 is provided with an engagement base 1 that finely moves following at least one force F3 (see FIG. 2) that causes a swing exceeding the swing range.

  The engagement base 1 includes a base body 2 that is placed on the upper end 112e of the base outer cylinder 112. The base body 2 includes a bottom surface 3 that slidably contacts the base outer cylinder upper end 112e and an arc of the concave surface 115. It has a semi-cylindrical convex surface 4 that slides on the concave surface 115 following the force F1 that matches the shape and causes the lid 120 to rotate. Thereby, the engagement base 1 can finely move the base 110 around the hook 122 together with the hinge 121 following the force F1.

  According to this configuration, when the lid 120 is swung to open and close the spout 110a, a force F1 that causes rotation is applied to the lid 120, and the force F1 acts on the hinge 121. The acting force is slight with respect to the base 110 at the sliding surfaces 3 and 4 as the engaging base 1 provided between the hinge 121 and the hook 122 which is the connecting end follows the rotation of the lid 120. Therefore, the stress concentrated on the hinge 121 is dispersed. Accordingly, when the lid 120 is swung to open and close the spout 110a, even if a force F1 causing rotation is applied to the lid 120, the hinge 121 is not easily stretched or broken, and the hinge cap 100 Durability can be improved.

  In the present invention, at least one of the sliding surfaces 3 and 4 is sufficient. However, as in the present embodiment, the corner of the base top wall 113 is cut out into an arc shape and recessed toward the spout 110a. A step 114 for forming the concave surface 115 is provided, and the sliding surface according to the present invention is slidably brought into contact with the upper end 112e of the step 114 and the arcuate shape of the concave surface 115 and the lid 120 is rotated. If the convex surface 4 that slides the concave surface 115 following the force F1 to be generated is used, the entire cap can be made compact without the hindrance of the hinge 121.

  The base body 2 has a transverse groove 5 that extends along the folding line L of the hinge 121 and is thinner than the thickness of the base body 2. According to this configuration, when the lid 120 is swung to open and close the spout 110a, when the force F2 causing twisting is applied to the lid 120 and the force F2 acts on the hinge 121, the hinge 121 Since the lateral groove 5 of the engagement base 1 provided between the hinge 121 and the hook 122 which is the connecting end thereof is absorbed by the slight deformation of the lid 120 following the twist of the lid body 120, The stress concentrated on the hinge 121 is dispersed. For this reason, even if a force F2 causing twisting is applied to the lid 120, the hinge 121 is unlikely to be stretched or broken, and the durability of the hinge cap 100 can be improved.

  Further, in this embodiment, the engagement base 1 has a leg 6 that elastically supports the base body 2 between the base body 2 and the hook 122 that is a connecting end of the hinge. The leg portion 6 is formed in a vertically long shape so as to facilitate elastic deformation. (In the illustrated embodiment, the length is approximately equal to the height of the inner cylinder 111.) According to such a configuration, when the lid 120 is swung to open and close the spout 110a, When the force F3 that causes the swing exceeding the swing range and / or the force F1 that causes the rotation to the lid 120 is applied and the force F3 and / or F1 acts on the hinge 121, the force acting on the hinge 121 is: The leg portion 6 that supports the base body 2 of the engagement base 1 provided between the hinge 121 and the hook 122 that is the connecting end thereof is slightly elastic following the swing of the lid 120 exceeding the swing range. Since the legs 6 are absorbed by elastic deformation in the torsional direction following the force F1 that causes deformation and / or rotation of the lid 120, the stress concentrated on the hinge 121 is dispersed. Therefore, when the lid 120 is swung in order to open and close the spout 110a, even if the force F3 and / or F1 causing the rocking beyond the swinging range is applied to the lid 120, the extension at the hinge 121 is Breakage or the like hardly occurs, and the durability of the hinge cap 100 can be improved.

  What has been described above is merely a preferred embodiment of the present invention, and those skilled in the art can make various modifications within the scope of the claims. For example, in this embodiment, the connection between the hinge and the base is engaged and fixed by the hook 122 because of advantages such as ease of assembly. However, existing fixing means such as adhesion may be used as long as the hinge and the base can be fixed. Can be used. In this embodiment, the engagement base is provided only between the hinge and the base. However, the engagement base may be provided only between the hinge and the cover or both the base and the cover. Furthermore, the hinge according to the present invention is not limited to the form of the hinge 121, and can be applied to configurations other than the known mirror hinge and other snap hinges, and may be anything generally called a hinge.

1 is a front view showing a hinge cap 100 according to one embodiment of the present invention. It is AA sectional drawing of FIG. It is a rear view of the same form.

Explanation of symbols

1 Engagement base 2 Base body 3 Bottom (sliding surface)
4 Convex surface (sliding surface)
5 Horizontal groove 6 Leg
100 Hinge cap
110 base
111 inner cylinder
112 outer cylinder
112e Upper end of outer cylinder
113 Top wall
114 steps
115 concave
120 lid
121 Hinge
121a Hinge piece
121b Elastic piece
122 hook

Claims (2)

Attached to the mouth portion of the container, said base including at least a top wall having a spout communicating with the container, a lid for closing the spout combine to the base of the top panel wall, a connecting end connected to said base cap A cap having a connection end connected to the body and a hinge for swingably holding the lid,
Between the connecting end connected to the base and the hinge, there is provided an engaging base for absorbing and relaxing the force acting on the hinge,
The engaging base has a base main body placed on the base, and a leg that can be deformed while elastically supporting the base main body on the base,
At the corner of the mating surface with the lid on the base side, a concave step is formed that is cut out in an arc shape and recessed on the spout side.
Further, the engagement base is adapted to follow the force that causes the lid to rotate by fitting to the bottom surface formed on the base body that slidably contacts the upper end of the step provided on the base and the arcuate shape of the concave surface. And has a convex surface that slides on the concave surface, and is placed on the base so as to be movable by being arranged at the step,
A hinge cap, wherein a hook serving as the connecting end provided at a lower end of the leg portion is engaged and fixed in a through hole provided in a bottom surface of the step. 2. The hinge cap according to claim 1, wherein the engagement base has a lateral groove that extends along a folding line of the hinge and can be deformed following a force that causes twisting of the lid . 3.

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