JP2699087B2 - Container lid opening and closing device - Google Patents

Description

Description: BACKGROUND OF THE INVENTION (Industrial application field) The present invention particularly relates to a detachable device for a lid and a cap of a cosmetic container, a writing instrument and the like.

(Prior art) Conventionally, in this type of container, when a lid or a cap is attached to a container body or a shaft, a male screw on the outer periphery of the container body and a female screw portion in the lid are screwed together, or For example, there is a method in which one projection and the other recess are fitted by using an elastic force, and the lid is removed against the elasticity.

(Problems to be Solved by the Invention) However, the above-mentioned conventional one requires time and effort to rotate the lid even if it is surely locked by screwing, and is fitted by utilizing elasticity. These have the disadvantage that they tend to come off as the resilience decreases. Therefore, the present invention is an improvement of the above-mentioned conventional technical means,
The opening / closing operation of the lid is simplified, and a complete sealing is attempted.

(Means for Solving the Problems) In order to achieve the above object, according to the present invention, a lid is fitted to an opening of a container main body to lock a locking portion on the outer periphery of the container main body with an engaging portion in the lid. When closing the lid, insert the inner lid that fits inside the lid,
The inclined guide portion, which is housed via a spring inserted between the lid and the inner lid and protrudes along the outer edge of the inner lid and which inclines, contacts the inclined portion which protrudes and inclines along the inclined edge of the inner periphery of the lid. At the same time, the inner lid is fitted into the opening of the container main body so that the inner peripheral wall of the inner lid and the outer periphery of the container main body can be freely moved in the axial direction without always rotating when the lid is closed.

(Operation) With the above configuration, when the lid having the inner lid is fitted inside the container main body, the rotation of the container main body and the inner lid is restricted, and the container main body and the inner lid move in the axial direction, and the engagement in the lid is performed. The part and the locking part provided on the outer periphery of the main body are engaged with each other, the lid is fitted to the container main body, and the packing interposed therebetween is pressed to seal the opening of the container main body. When opening the lid, rotate the lid,
Since the inclined guide portion on the outer periphery of the inner lid is in contact with the inclined portion on the inner periphery of the lid, the inclined portion of the lid is guided by the inclined guide portion of the inner lid, and the inner lid moves in the axial direction with respect to the container body. Since the lid cannot be rotated even if it can be formed, the lid acts to separate the inner lid from the inner lid. This action separates the lid from the container body. Is disengaged,
At the same time, the lid and the inner lid are both disengaged from the opening of the container body by the spring rebound, and the fitting is released. In this way, one-touch, that is, the cover is closed by one press, and the cover is opened by one rotation,
The seal can also be perfected.

(Example) The present invention will be described in more detail with reference to an example shown in the drawings. In the drawings showing each embodiment, the same reference numerals denote the same components.

The first embodiment shown in FIGS. 1 and 2 shows the basic structure of the present invention, wherein (1) is a container body,
(2) is an opening in the container body, and knurls (3) are formed on the outer periphery of the body (1) in the vicinity of the opening (2) by arranging ridges in the longitudinal direction, and an annular lock is formed below the knurl. Protrusion (4)
(Locking portion) is provided. A lid (5) is fitted over the opening (2) of the container body (1), and has a lower inner wall which is engaged with the annular locking projection (4) of the container body (1) to cover the lid ( An engagement ring (6) for fitting 5) into the opening (2) is provided, and an inclined portion is formed by a receiving cam (7) having a zigzag-shaped projection on the inner wall top surface.

(8) is an inner lid, and a moving cam (9) is provided on the outer periphery of the inner lid (8). The movable cam (9) is provided with an inclined guide portion that comes into contact with the receiving cam (7) of the lid (5). 8) A knurl (10) in which ridges are arranged in the vertical direction is formed on the lower peripheral edge of the inner wall, and meshes with the knurl (3) provided on the outer periphery of the container body (1), and the inner lid (8) and the container Although the main body (1) can move in the axial direction, it is engaged so that it cannot relatively rotate.

(12) is a packing, which is placed on the opening (2) of the container body (1) and seals the space between the inner lid (8) and the opening (2). A spring (11) is housed on the step (14) of the inner wall of the lid (5), and its upper end abuts on a step (13) provided on the outer periphery of the inner lid (8), and the upper surface of the inner lid (8) Toward the inner top surface of the lid (5).

Since the first embodiment has the above configuration, the container body (1)
When the lid (5) is pressed after fitting the lid (5) for accommodating the opening (2) inner lid (8) therein, the lid (5) is brought into contact with the knurl (10) of the inner lid (8). Meshing with the knurl (3) of the container body (1), without being guided by this and rotating
The ring (6) on the inner peripheral edge of the lid (5) climbs over the locking projection (4) provided on the outer periphery of the container body (1), and the ring (6) and the locking projection (4) are engaged. Then, the lid (5) and the container body (1) are locked, and the packing (1
The container body opening (2) is sealed by 2) to prevent denaturation of the stored cosmetic.

On the other hand, to remove the lid (5) for use,
Is gripped with fingers and turned. The rotation of the lid (5) rotates the receiving cam (7) provided on the inner wall thereof, and the receiving cam (7) has a projecting portion of the moving cam (9) provided on the outer periphery of the inner lid (8). The cams (7) and (9) are in contact with the inclined portions and the inclined guide portions, and the inner lid (8) having the moving cam (9) is engaged by the knurls (3) and (10). Since it cannot rotate integrally with the container body (1), only the lid (5) is rotated, and by this rotation, the inclined portion of the receiving cam (7) is inclined by the movable cam (9). It will move upward along the part. This movement acts to move the lid (5) away from the container body (1), whereby the ring (6) of the lid (5) and the locking projection (4) of the container body (1).
Is disengaged, and at the same time, the inner lid (8) and the knurls (3) and (10) of the container body (1) are released by the spring (11), and the lid (5) can be removed from the container body (1). .
When the engagement of the inclined surface is released, the engagement between the lid (5) and the inner lid (8) is restored by the spring (11).

FIG. 3 and FIG. 4 show the second embodiment, in which the inner lid (8) is integrated with the projection (16) provided on the top surface by a spring (15).
, The upper part of the spring (15) is fixed to the inner top surface of the lid (5) by a stopper (17), and a ring (6) provided on the inner edge of the lid (5) is formed with a ring groove (6 '). ) Differs from that of the first embodiment in that the attachment of the spring (15) and the structure of the inner lid (8) can be simplified. The operation is the same as in the first embodiment.

5 and 6 show a third embodiment. This is the same as the spring (17) in place of the spring (15) in the second embodiment.
The spring (17) has its lower end fitted to the large diameter portion (38) provided on the bottom surface of the central opening (20) of the inner lid (8), and the upper end protruding from the inner top surface of the lid (5). Fit on (18).
The stopper (19) is fitted so that the upper end of the spring (17) is rotatable. In addition, three receiving cams (7) provided on the inner wall of the lid (5) are provided, and the movable cam (9) is provided. ) Is made as six. The knurls (3) provided on the outer periphery of the container body (1) are also provided as vertical ribs at appropriate intervals without being continuously arranged.
The knurls on the inner wall of the inner lid (8) are the same as in the second embodiment, and the knurls (10) are fitted with longitudinal ribs (3). Although the operation is the same as that of the second embodiment, the configuration of each part can be simplified.

7 and 8 show a fourth embodiment, and FIG.
The embodiment is further improved to simplify its structure. A spring (21) is attached to a boss (16) (same as the second embodiment) provided on the upper surface of the inner lid (8). 21) is locked at its lower end by a stopper (22) on the upper surface of the inner lid (8) and at its upper end by a stopper (23) provided on the inner top surface of the lid (5). The lid (8) is urged to rotate clockwise. On the other hand, screws (7) meshing with the inner peripheral surface of the lid (5) and the outer peripheral surface of the inner lid (8) respectively
(9) is provided, and both are engaged with each other by the rotational force of the spring (21).

In this state, when the lid (5) is fitted to the container body (1) and pressed upward, the locking projection (4) of the container body (1) is engaged with the annular groove (6 ') of the lid (5), The lid (5) is sealed via the packing (12). To remove the lid (5), the lid (5) is turned counterclockwise against the turning force of the spring (21), as in the previous embodiment. Since the knurl (10) of the inner lid (8) engages with the longitudinal rib (3) of the container body (1) and cannot rotate, the screws (7) and (9) work to separate, and the container body (1) The engagement between the engagement projection (4) and the annular groove (6 ') of the lid (5) is released, and the lid (5) can be removed.

9 to 11 show a fifth embodiment. This embodiment is characterized in that the inner lid (8) and the lid (5) are connected via a screw piece (24), and the inner top surface of the lid (5) is A hollow projecting body (27) provided with a male screw (28) on the wall is formed. And the lid (5) and the screw piece (24) are connected by a spring (29) fixing both ends to a locking groove (32) and a stopper (31), respectively. The rotation control rib (7) provided on the wall of the lid (5) is fitted into a guide groove provided on the outer wall of the inner lid (8), and the inner lid (8) and the lid (5) can rotate at a constant angle. , So that it can be moved in the axial direction. Then, on the outer wall of the screw piece (24), an annular protrusion (2
A knurl (30) is provided in the vertical direction with the knurl (5), and the knurl (31) of the inner lid (8) is engaged and integrated.

With the above configuration, to fit the lid (5) into the opening (2) of the container body (1), if it is fitted and pressed from above, the engagement ring groove (6) of the lid (5) ') Engages with the locking projections (4) of the container body (1), and the lid (5) seals the opening (2) of the container body (1) via the packing (12).

When the lid (5) is rotated in this state, the screw piece (24) screwed with the male screw (28) of the lid (5) is prevented from rotating with the knurl between the container body (1) and the inner lid (8). , The lid (5) is forcibly protruded upward while rotating, and the engagement ring groove (6 ') of the lid (5) and the locking projection (5) of the container body (1) are engaged. 4) is disengaged. When the knurl (10) of the middle lid (8) comes off from the knurl (3) of the container body (1), the lid (5) protruding from the screw piece (24) is elastically provided in the rotation direction with a spring (29).
The screw (26) (2) makes the inner lid (8) and the screw piece (24)
8) Return to the original position.

12 to 14 show a sixth embodiment, in which the opening and closing device of the present invention is provided in a liquid cosmetic container. (1) is a liquid cosmetic container, in which a liquid cosmetic (36) is accommodated, (34) is a brush part, and a shaft (33) having a brush part (34) at the tip is a lid (5). ) And the inner lid (5 '), so that the lid (5) can be grasped and taken out of the container (1).

A mouth screw (35) is fitted into the open end of the cosmetic container (1), and an ironing portion (36) is mounted inside the screw. Movable packing (37) from shaft (33) penetrating the ironing part (36)
Is movably inserted, and the upper part thereof comes into contact with the edge of the mouth screw (35) via the packing (12). An inner lid (8) is fitted to the outside of the shaft (33) via a spring (11), and a moving cam (9) having two cams is provided above the outer periphery of the inner lid (8). A knurl (10) is provided on the peripheral side surface.

The moving cam (9) comes into contact with a receiving cam (7) provided on the inner wall of an inner lid (5 ') integrally connected to the lid (5) and abuts on the inclined surface thereof, and meshes with the inner lid (8). The knurl (10) engages with the knurl (3) of the container body (1) as shown in another embodiment, and prevents mutual rotation.

Because of this, the brush part (34) is placed in the container (1).
To be housed inside, it is inserted and pressed by the opening of the mouth screw (35), and the locking projection (4) of the body (1) and the lid (5)
The ring (6) is locked to engage the lid (5) with the container body (1) to seal the container.
When the lid (5) is rotated by a finger, the container body (1) and the inner lid (8) cannot rotate due to the engagement of the knurls (3) and (10), so that the inclination of the moving cam (9) of the inner lid (8). Along the guide, the lid (5) works to keep the lid (5) away from the container body (1). As a result, the engagement ring (6) of the lid (5) is disengaged from the locking projection (4) of the main body (1), and the lid (5) can be removed. The street brush part (34) is taken out and prepared to make up.

As described above, the first and sixth embodiments use a spring elastically applied in the compression direction, and the second and third embodiments use a spring elastically applied in the tension direction. After the engagement between the container body and the lid is released by the resilient force, the engaged state of the receiving cam and the moving cam is pushed back to the original position, and there is no hindrance to the fitting of the next container body and the lid. In the fourth and fifth embodiments, screws are used in place of the cams. However, in order to restore the engagement of the screws, a spring elastically provided in the rotation direction is used, so that the same effects as those in the above embodiments are obtained. Has an effect.

(Effects of the Invention) As described above, it is possible to close the lid only by pressing and closing it, and to open the lid easily by rotating the lid. It has an excellent effect that it can be completely closed.

[Brief description of the drawings]

1 and 2 show a first embodiment, FIG. 1 is a longitudinal sectional side view, FIG. 2 is an exploded partial sectional view thereof, and FIGS. 3 and 4 show the second embodiment. A longitudinal sectional view and an exploded partial sectional view are shown, respectively. 5 and 6 are a longitudinal sectional view and an exploded side view of the third embodiment, and FIGS. 7 and 8 are a longitudinal sectional view and an exploded side view of the fourth embodiment, respectively, and FIGS. FIG. 11 shows a longitudinal sectional view and a main part exploded perspective view of the fifth embodiment. 12 to 14 show a sixth embodiment applied to a liquid cosmetic container. FIG. 12 is a longitudinal sectional side view of the sixth embodiment, and FIGS. 13 and 14 are exploded perspective views of essential parts. DESCRIPTION OF SYMBOLS 1 ... container main body, 2 ... opening part, 3.10 ... knurl (vertical rib), 4 ... annular locking protrusion, 5 ... lid, 6 ... engagement ring, 6 '... engagement ring groove , 7 ... receiving cam, 8 ... middle lid, 9 ... moving cam, 11.15.17.21.29 ... spring,
12 …… Packing

Continuation of the front page (56) References Japanese Utility Model Sho 59-126854 (JP, U) Japanese Utility Model Sho 51-7351 (JP, U) Japanese Utility Model Sho 51-7352 (JP, U)

Claims (1)

(57) [Claims] 1. A lid which is closed by engaging an engaging portion provided on the outer periphery of an opening of a container body with an engaging portion of an inner peripheral wall of a lid.
The inner lid fitted in the lid is housed via a spring inserted between the lid and the inner lid, and an inclined guide portion that projects and inclines along the edge of the outer periphery of the inner lid, and extends along the edge of the inner circumference of the lid. The inner lid is fitted into the opening of the container main body, and the inner peripheral wall of the inner lid and the outer periphery of the container main body do not always rotate when the lid is closed, and are freely movable in the axial direction. Container lid opening and closing device.