JPH0321685Y2 - - Google Patents

Description

[Detailed description of the invention] <<Field of industrial application>> The present invention relates to a compact container, and more specifically, the container body and the lid are hinged at their respective rear parts so that they can be opened and closed. A recess is formed in the front end edge, and a push piece is disposed within this recess so as to be movable in the front-rear direction, and a first engaging protrusion formed inside the recess hangs from the front end edge of the lid body. The lid body is held in the closed position by the engagement of the second engaging protrusion formed on the claw piece, and when this push piece is pressed inward in this closed position, a force is generated to push up the lid body and open it. The present invention relates to a compact container formed in such a manner that the container is formed in a compact manner.

<<Prior Art>> Conventionally, as this type of compact container, one having a structure as shown in FIG. 6 is known. In this compact container, the push piece 1 is formed as a relatively hard piece of plastic, and the inner end of this plastic piece is formed with an inclined surface 2 that gradually descends from the top toward the lower rear. When the push piece 1 is pressed inward in the closed position of the lid 3 so as to come into contact with the lower end of the claw piece 4 hanging down from the front end, the vertical force of the inclined surface 2 acts on the claw piece 4, causing the lid body to close. A device in which 3 is pushed up to open it is known.

However, in this known compact container, the lid 3 is lowered from the inclined surface 2 of the push piece 1.
The force acting on the claw piece 4 is an oblique force perpendicular to the inclined surface 2, and this force is a horizontal force that presses the claw piece 4 of the lid body 3 against the inner surface of the recess 6 formed in the container body 5. It includes the component force of This horizontal component force strongly forces the first engaging protrusion 7 formed on the inner surface of the recess 6 to engage with the second engaging protrusion 8 formed on the claw piece 4 of the lid cover body 3. Therefore, opening the lid 3 involves a completely opposite effect, and a relatively strong force is required to open the lid by pressing the push piece 1 inward. It was necessary.

Also, the one shown in Fig. 7 is the push piece 1.
The lid body 3 is pushed up by an operating piece 9 extending from below the front pressing wall to the tip end face of the claw piece 4. When the push piece 1 is pressed inward by the actuating piece 9, the upper end surface of the actuating piece 9 comes into contact with the lower end surface of the claw piece 4 and pushes the claw piece 4 upward. At this time,
Due to the resistance caused by the engagement between the first engagement protrusion 7 and the second engagement protrusion 8, microscopically, the lower end of the actuating piece 9 is elastically bent at the joint with the front wall for pressing. A repulsive force is accumulated, and at the moment the second engaging protrusion 8 overcomes the first engaging protrusion 7, the repulsive force acts on the claw piece 4 of the lid body 3 all at once, opening the lid body. Become.

In the conventional compact container shown in FIG. 7 above, the opening angle of the lid body 3 can be made larger than in the compact container shown in FIG. 6 because the repulsive force of the actuating piece 9 is used. I couldn't say it was enough.

Furthermore, as shown in Japanese Utility Model Application Publication No. 56-45406, the actuating piece of the push piece is bent and extended rearward and upward from its bottom toward the inner surface of the recess formed in the front edge of the container body. At the same time, a compact container is known in which the container is folded back at a position where it abuts the rear surface, extends upward from the front, and has its free end abutted against the lower front surface of the lid.

<<Problem to be solved by the invention>> In this known compact container, the actuating piece has two bent parts, the bottom part and the middle part, so when the lid is opened, elastic repulsive force is accumulated in these two parts. At the moment of opening the lid, this repulsive force allows the lid to be opened wide. However, in this known compact container, when the push piece is pressed inward from the locking position of the lid, the upper part of the actuating piece rotates rearward about the middle part that abuts the inner surface of the recess. do. Since this direction of rotation is the direction that strengthens the engagement between the lid and the container body, a relatively strong force is required to open the lid, which leads to the problem that the lid does not open smoothly. .

The present invention was developed in view of the above-mentioned problems, and its purpose is to increase the repulsive force of the actuating piece when opening the lid, and to create a compact design that can smoothly open the lid with a relatively small force. There are containers to provide.

<Means for Solving the Problems> In order to achieve the above-mentioned object, in the present invention, the container body and the lid are hinged at their respective rear parts so as to be openable and closable, and a recess is formed in the front edge of the container body. A first engaging protrusion is formed inside the recess, and a second engaging protrusion is formed on a claw piece hanging down from the front edge of the lid.
an engaging protrusion is formed, and the first engaging protrusion and the second engaging protrusion are formed.
In a compact container in which the lid body is held in a closed position by engagement of an engaging protrusion, a push piece made of synthetic resin is disposed in the recess so as to be movable in the front and rear direction, and the push piece is attached to the push piece. is a dogleg-shaped actuating piece with a cross section that is bent and extended from the bottom toward the front wall, folded back at an intermediate position on the rear surface of the front wall, and further bent in the direction of contacting the rear end wall of the recess. The bent portions of the intermediate portion and the bottom portion of the operating piece are integrally formed, and the bent portions of the intermediate portion and the bottom portion of the actuating piece are This results in an accumulation of elastic repulsive force.

<<Operation>> When the push piece is pressed inward from the locking position of the lid body, the free end of the actuating piece tries to move upward, but the first engagement protrusion of the container body and the second engagement protrusion of the lid body tend to move upward.
The engagement projections of the actuating piece are engaged, and due to this engagement resistance, an elastic repulsive force is accumulated in the middle and lower parts of the actuating piece, and when the engagement between the two is released, the repulsive force is released all at once. When the lid is released, it can be opened by flipping it up. Also, when the push piece is pressed inward and moved, the upper free end of the actuating piece moves along the inner surface of the recess while being subjected to a force that rotates the upper front part about the intermediate bent part. The direction of rotation is the direction of disengaging the first engagement protrusion and the second engagement protrusion, so the disengagement is done smoothly with a relatively small force. It will be held on.

<<Embodiments>> Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. Note that the same reference numerals, including those used in the prior art described above, indicate the same or equivalent structural members.

Reference numeral 5 in the figure indicates a container body made of synthetic resin for storing cosmetics, etc., and a lid 3 is attached to the rear edge of the container body 5 via a pin 10 so that it can be opened and closed freely. It is worn. There is a mirror 1 on the inner surface of the lid body 3.
1 is glued thereto, and a claw piece 4 is integrally formed to hang down from its front edge. A recess 6 is formed in the front end of the container body 5 to correspond to the claw piece 4. A first engagement protrusion 7 is located above the inner depth of this recess 6.
is provided protrudingly, and on the other hand, a second
When the lid body 3 is closed, the claw piece 4 enters into the recess 6 of the container body 1, and the second engagement protrusion 8 formed on the claw piece 4 enters the recess 6. The first engaging protrusion 7 formed on the surface is crossed over and engaged, and the lid body 3 is in the closed position.

In the present invention, a push piece 1 made of synthetic resin is disposed in the recess 6, and this push piece 1 has a pressing front wall 12 formed vertically and rearward from both sides of this front wall 12. It consists of a side wall 13-13 extending to the rear, a guide bottom plate 14 whose central portion extends rearward, and an actuation piece 15 integrally connected to the guide bottom plate 14. The rear end of the guide bottom plate 14 is provided with a locking piece 16 that projects downward in a hook shape for the purpose described later. Actuation piece 1
The lower end 17 of the actuating piece 15 is bendably connected to the middle part of the guide bottom plate 14 and extends from there toward the middle part of the rear surface of the front pressing wall 12. While abutting, the arm portion 19 is bent rearward and extends upward, and has a substantially doglegged cross section as shown in FIGS. 1 to 3. The upper free end 20 of this arm portion 19 is formed into a forked shape, and the interval between the two forks is wider than the width of the first engaging protrusion 7 formed on the back surface of the recess 6. ing.

The push piece according to the present invention is made of an elastic resin, preferably polypropylene, polyoxymethylene, or polybutylene terephthalate.

In order to assemble the push piece 1 configured as described above into the recess 6 of the container body 5, the guide bottom plate 14 of the push piece 1 is pushed into the stepped guide hole 21 formed at the bottom of the inner surface of the recess 6. , guide bottom plate 1
The locking piece 16 of No. 4 is locked to the stepped portion of the guide hole 21 to prevent it from coming off.

When the lid 3 is closed against the container body 5 with the push piece 1 assembled in the recess 6 in this manner, the lower surface of the claw piece 4 of the lid 3 comes into contact with the upper end surface of the actuating piece 15. Press this down. For this reason, the arm portion 19 of the actuating piece 15 extends its free end 20 into the recess 6.
As a result, the push piece 1 is pushed forward to the position where the locking piece 16 of the guide bottom plate 14 locks with the stepped portion of the guide hole 21. . Thereafter, when the lid 3 is further pushed down, the bending portions at the intermediate portion 18 and the lower end 17 of the actuating piece 15 are elastically bent, and the second engagement protrusion 8 formed on the claw piece 4 of the lid 3 is bent.
crosses over the first engagement protrusion 7 formed on the inner surface of the recess 6 of the container body 5 and engages the two, and the lid body
occupies the closed position shown in FIGS.

Since the push piece 1 of the present invention is made of synthetic resin and has elasticity at least at the bent portion, the downward stress applied to the upper end surface of the actuating piece 15 by the claw piece 4 in the above-mentioned closed position is
The force is transmitted in a direction that deeply deforms the intermediate portion 18 and the bent portion of the lower end 17 of the actuating piece 15, and a repulsive force is accumulated in these portions.

When you press your finger against the pressing front wall 12 of the push piece 1 from the closed position of the lid body 3 as described above and press it toward the inner rear, the upper free end 20 of the actuating piece 15 slides into the inner surface of the recess 6. Since they are movably in contact with each other, the arm portion 19 pivots upward and forward using the intermediate portion 18 as a fulcrum, and a pressing force is exerted on the claw piece 4 of the lid body 3. Since the first engaging protrusion 7 and the second engaging protrusion 8 formed on the claw piece 4 of the lid body 3 are engaged with each other, this acts as a resistance and the actuating piece 15 moves between the middle part 18 and the lower end 17. The two bent portions are elastically bent more deeply, and elastic repulsive force is accumulated at these two locations, causing the second engaging protrusion 8 to overcome the first engaging protrusion 7. Sometimes, the above elastic repulsive force acts all at once,
The lid body will be wide open.

In the above-mentioned preferred embodiment of the present invention, when the lid is closed, the claw piece of the lid presses the upper end surface of the actuating piece and bends the middle part and the lower end, so that the lid is in the closed state. However, this is not an essential component of the present invention, and in the present invention, residual stress is caused by the engagement resistance between the lid and the container body when the lid is opened. The elastic repulsion force is accumulated at the middle and lower bent portions of the pieces, and when the engagement between the two pieces is released, the repulsion force acts on the lid body all at once.

<<Effect>> As described above, in the compact container of the present invention, when the engagement between the first engagement protrusion formed on the container body and the second engagement protrusion formed on the claw piece of the lid body is released, Since the repulsive force accumulated in the bends at the middle and lower ends of the operating piece acts on the lid all at once, the opening angle of the lid can be made larger than in the conventional case to improve opening operability. can.

Further, according to the compact container of the present invention, when the push piece is moved inwardly,
The upper free end of the actuating piece rises along the inner surface of the recess while receiving a force that rotates the front part upward about the intermediate bent part, and this rotation direction is Since the direction is to release the engagement between the engagement protrusion and the second engagement protrusion, the above-mentioned disengagement can be smoothly performed with a relatively small force.

[Brief explanation of drawings]

Fig. 1 is a side sectional view showing the compact container of the present invention, Fig. 2 is an enlarged partial sectional view of the front part thereof, Fig. 3 is a partial perspective view showing the push piece separated from the recess of the container main body, FIG. 4 is a partially enlarged side sectional view showing the lid in its closed state, FIG. 5 is a partially enlarged side sectional view showing its opening state, and FIGS. 6 and 7 are parts for explaining the conventional push piece. FIG. DESCRIPTION OF SYMBOLS 1... Push piece, 3... Lid body, 4... Claw piece, 5... Container body, 6... Recess, 7... First engagement protrusion, 8... Second engagement protrusion, 12 ... Pressing front wall, 15 ... Actuation piece, 17 ... Lower end of actuation piece, 18 ... Intermediate bent part, 19 ... Arm part, 20 ...
...free end.

Claims (1)

[Scope of utility model registration request] The container body and the lid are hinged at their respective rear portions so as to be freely openable and closable, a recess is formed in the front edge of the container body, and a first engagement protrusion is formed inside the recess, A second engagement protrusion is formed on a claw piece hanging down from the front edge of the lid, and the lid is in the closed position by engagement of the first engagement protrusion and the second engagement protrusion. In the compact container configured to be held, a push piece made of synthetic resin is disposed in the recess so as to be movable in the front and back direction, and the push piece is bent and extended from the bottom toward the front wall. An actuating piece having a substantially doglegged cross section is integrally formed by being folded back at an intermediate position on the rear wall of the wall and further bent in a direction to abut the rear end wall of the recess, so that when the lid body is opened, the first actuating piece is bent. The actuating piece is characterized in that an elastic repulsion force is accumulated in the intermediate portion and the bent portion of the bottom portion of the actuating piece due to the engagement resistance between the engaging protrusion and the second engaging protrusion. Compact container.