JP4970016B2 - Lid opening / closing structure - Google Patents

Description

  The present invention relates to a lid opening / closing structure, and more particularly, to a lid opening / closing structure capable of preventing an inadvertent opening of a lid by locking an opening operation piece.

  For example, as a storage container that maintains the hermeticity of the contents, a lid is swingably attached to the opening of the container body, and the lid is closed by hooking the swinging side of the lid on the container body. In addition, there is a sealed container in which the vicinity of the latching portion of the lid is received by a receiving piece of an opening operation piece pivotally supported on the container body and pushed out by a swinging operation of the opening operation piece.

When using, swing by pushing the opening operation piece, open the lid by pushing out the vicinity of the latching part of the lid with the receiving piece of the opening operation piece, and take out the contents from the container body Yes.
The lid is biased to the open side by a spring, and automatically opens when the latching portion is detached from the container body, and this open state is maintained.

  However, this conventional lid opening / closing structure opens the lid when the opening operation piece is pressed. For example, even when the opening operation piece is accidentally pressed, the lid opens and the open state is maintained. Therefore, there is a problem that the contents are exposed to air and deteriorated.

  The present invention provides a lid opening / closing structure capable of preventing the lid from being inadvertently opened by locking the opening operation piece in view of the problems of the above conventional lid opening / closing structure. With the goal.

In order to achieve the above object, the lid opening / closing structure of the present invention is such that the lid is swingably attached to the opening of the container body and the wall piece on the swing side of the lid is hooked to the container body. And a lid opening / closing structure in which the vicinity of the latching portion of the lid is received by a receiving piece of an opening operation piece pivotally supported on the container body and pushed out by a swinging operation of the opening operation piece in, the opening operation piece constituted by members of one piece, as well as extending the bearing hole of the container body for pivotally supporting the pivot shaft of the opening operation piece receiving side of the opening operation piece, the rocking of the open operation lever A receiving piece receiving portion into which the receiving piece of the opening operation piece is inserted when the moving shaft is moved to the extension portion of the bearing hole is formed in the container body , and the receiving piece of the opening operation piece is pulled out from the piece receiving portion. In this state, press the tip of the opening operation piece down, and the receiving piece will push the wall piece of the lid. Lower, is characterized in that so as to release the locking.

In this case, a position restricting protrusion that restricts the movement of the swing shaft is formed between the bearing hole and the extension, and a deformation absorbing hole is provided on the back side of the position restricting protrusion via a thin portion. it can.

According to the opening and closing structure of the lid of the present invention, the pivot shaft of the opening operation member is moved in the extension of the bearing hole by inserting the receiving piece of the opening operation piece receiving member receiving portion of the container body, The opening operation piece can be locked to prevent inadvertent opening of the lid.

  In addition, a position restricting protrusion that restricts the movement of the swing shaft is formed between the bearing hole and the extension, and a deformation absorbing hole is provided on the back side of the position restricting protrusion via a thin wall portion, thereby opening the position. When the swing shaft of the operating piece moves, the thin-walled portion is elastically deformed, and the position restricting projection can escape to the deformation absorbing hole side, thereby smoothly moving over the position restricting projection of the swing shaft. At the same time, it is possible to suppress chipping or wear of the position restricting protrusion due to overcoming.

  Embodiments of the lid opening / closing structure of the present invention will be described below with reference to the drawings.

1 to 7 show an embodiment of the lid opening / closing structure of the present invention.
The lid opening / closing structure is configured such that the lid 3 is swingably attached to the opening 2 of the container body 1 and the swinging side of the lid 3 is hooked on the container body 1 to close the lid, The vicinity of the latching portion 4 of the lid 3 is received by the receiving piece 6 of the opening operation piece 5 pivotally supported on the container body 1 and pushed out by the swinging operation of the opening operation piece 5.
The lid opening / closing structure extends the bearing hole 8 of the container body 1 pivotally supporting the swing shaft 7 of the opening operation piece 5 to the receiving piece 6 side of the opening operation piece 5, and the opening operation piece 5. The container body 1 is formed with a receiving piece receiving portion 9 into which the receiving piece 6 of the opening operation piece 5 is inserted when the swing shaft 7 is moved to the extension portion 81 of the bearing hole 8.

The container body 1 is detachably fitted to the lower tray 10 while maintaining airtightness, and is provided so that the contents (not shown) can be replaced.
A peripheral wall 11 made of a rubber-like elastic body, for example, a polyolefin resin-based elastomer is erected around the opening 2 of the container body 1, and the peripheral wall is provided on a receiving wall portion 31 provided around the lid 3. By fitting the 11 tip portions, it becomes possible to easily maintain the sealing performance when the lid is closed.
On the other hand, a housing portion 12 for housing the opening operation piece 5 is recessed in the front portion of the container body 1, and the swing shaft 7 of the opening operation piece 5 is fitted to the left and right vertical walls of the housing portion. A mating bearing hole 8 and an extension 81 that extends the bearing hole 8 toward the receiving piece 6 of the opening operation piece 5 are provided.
Between the bearing hole 8 and the extension portion 81, a position restricting projection 82 for restricting the movement of the swing shaft 7 is formed, and on the back side of the position restricting projection 82, a circular portion is interposed via a thin portion 83. A hole-shaped deformation absorbing hole 84 is provided.
Thus, by providing the deformation absorbing hole 84, the thin-walled portion 83 is elastically deformed when the swinging shaft 7 of the opening operation piece 5 moves, and the position restricting projection 82 can escape to the deformation absorbing hole 84 side. it can. Thereby, it is possible to smoothly get over the position restricting projection 82 of the swing shaft 7 and to suppress chipping or wear of the position restricting projection 82 due to getting over.
Further, the container body 1 is formed with a receiving piece receiving portion 9 into which the receiving piece 6 of the opening operation piece 5 is inserted when the opening operation piece 5 moves its swing shaft 7 to the extension portion 81 of the bearing hole. The opening operation piece 5 is prevented from swinging by inserting the receiving piece 6 into the receiving piece receiving portion 9.

The lid 3 is pivotally attached to the rear part of the container body 1 and is biased to the opening side by a torsion coil spring 13. When the latching part 4 is detached from the container body 1, it automatically opens. This open state is maintained. The spring 13 can also be constituted by another elastic member or the like as long as it biases the lid 3 toward the opening side.
In addition, a receiving wall portion 31 is provided around the lid 3 by a double cylindrical wall, and the distal end portion of the peripheral wall 11 made of an elastomer of the container body 1 is fitted into the receiving wall portion 31. The airtightness when the lid is closed is maintained.
On the other hand, a wall piece 14 having a latching portion 4 near the tip is suspended from the front portion of the lid 3, and this wall piece 14 is received by the opening operation piece 5 with the lid 3 closed. It is placed on the piece 6.
The latching portion 4 is formed of a projection protruding inward from the wall piece 14, and the lid 3 can be held in a closed state by latching the latching portion 4 on the projection 15 of the container body 1.
Further, when the opening operation piece 5 pushes the wall piece 14 with the receiving piece 6, the latching state is released and the lid 3 is opened.

The opening operation piece 5 has a pair of swing shafts 7 projecting laterally from an intermediate portion thereof, and a receiving piece 6 projecting substantially horizontally on the base side.
Further, the swing shaft 7 of the opening operation piece 5 is fitted in the bearing hole 8 of the container body 1 and can be moved between the bearing hole 8 and the extension 81 of the bearing hole.
When the swing shaft 7 of the opening operation piece 5 moves to the extension 81 of the bearing hole, the receiving piece 6 of the opening operation piece 5 is inserted into the receiving piece receiving portion 9 of the container body 1, and the opening operation piece 5 No. 5 is prevented from swinging by inserting the receiving piece 6 into the receiving piece receiving portion 9.
Further, below the opening operation piece 5, there is provided a knob 16 that is pinched together when the opening operation piece 5 is swung, and this knob 16 is a base portion bent in an L shape. It is fixed by inserting 16a into the container body 1.

Next, an operation method of the lid opening / closing structure of this embodiment will be described.
First, when the opening 2 is to be opened from the state in which the lid 3 is closed, as shown in FIGS. 2 to 3, the opening operation piece 5 is moved from the extension 81 of the bearing hole to the bearing shaft 7. Pulling out so as to move to the hole 8, the receiving piece 6 of the opening operation piece 5 is taken out from the receiving piece receiving portion 9 of the container body 1.
At this time, the oscillating shaft 7 moves over the position restricting projection 82 of the bearing hole 8, and the position restricting projecting portion 82 is elastically deformed by the thin portion 83 below, so that the lower deformation absorbing hole Accordingly, the swing shaft 7 can smoothly get over the position restricting projection 82 and can suppress chipping and wear of the position restricting projection 82 due to getting over.

When the receiving piece 6 is pulled out and comes out of the receiving piece receiving portion 9, the opening operation piece 5 is released from the locked state and becomes swingable as shown in FIG.
When the tip end side of the opening operation piece 5 is pushed down in this state, the opening operation piece 5 swings and the receiving piece 6 pushes up the wall piece 14 of the lid 3 as shown in FIG.
Thereby, since the latching | locking part 4 of the wall piece 14 is released from the container main body 1, the cover body 3 opens with the urging | biasing force of the spring 13, and the opening part 2 is open | released.

On the other hand, when closing the lid 3, when the lid 3 that has been swung is pushed down and closed, the latching portion 4 of the wall piece 14 is latched on the container body 1, so that the lid 3 is closed. Kept.
In this state, if the opening operation piece 5 is swung, it is possible to open the lid 3 again. However, in order to achieve the locked state, the receiving piece 6 is pushed down by the wall piece 14 of the lid 3 and is substantially omitted. The opening operation piece 5 returned to the horizontal state is pushed into the base side.
Specifically, the receiving piece 6 of the opening operation piece 5 is inserted into the receiving piece receiving portion 9 of the container body 1 by moving the swing shaft 7 of the opening operation piece 5 from the bearing hole 8 to its extension 81. By preventing the opening operation piece 5 from swinging, the lid 3 is prevented from being opened.

  Thus, the lid opening and closing structure of the present embodiment is closed by attaching the lid 3 to the opening 2 of the container body 1 so as to be swingable and hooking the swinging side of the lid 3 on the container body 1. A lid that covers the vicinity of the latching portion 4 of the lid 3 with a receiving piece 6 of an opening operation piece 5 pivotally supported on the container body 1 and pushes it out by swinging the opening operation piece 5. In the body opening / closing structure, the bearing hole 8 of the container body 1 that pivotally supports the swing shaft 7 of the opening operation piece 5 extends to the receiving piece 6 side of the opening operation piece 5, and the swing shaft of the opening operation piece 5 Since the receiving piece receiving portion 9 into which the receiving piece 6 of the opening operation piece 5 is inserted is formed in the container body 1 when the 7 is moved to the extension portion 81 of the bearing hole, the swing shaft 7 of the opening operation piece 5 is formed. By moving to the extension portion 81 of the bearing hole and inserting the receiving piece 6 of the opening operation piece 5 into the receiving piece receiving portion 9 of the container body 1. , It is possible to prevent the opening of inadvertent lid 3 locked the open operation lever 5.

  In this case, a position restricting projection 82 for restricting the movement of the swing shaft 7 is formed between the bearing hole 8 and the extension 81, and deformation is absorbed through the thin portion 83 on the back side of the position restricting projecting portion 82. By providing the hole 84, the thin-walled portion 83 is elastically deformed when the swinging shaft 7 of the opening operation piece 5 is moved, and the position restricting projection 82 can escape to the deformation absorbing hole 84 side. It is possible to smoothly get over the position restricting projection 82 of the moving shaft 7 and to suppress chipping and wear of the position restricting projection 82 due to getting over.

  The lid opening / closing structure of the present invention has been described above based on the embodiments thereof. However, the present invention is not limited to the configurations described in the above embodiments, and the configurations are appropriately set within the scope not departing from the gist thereof. Can be changed.

  The lid opening / closing structure of the present invention has a characteristic of preventing the lid from being inadvertently opened by locking the opening operation piece. Such a closed container can be used widely and suitably.

It is sectional drawing of the storage container which shows one Example of the opening-closing structure of the cover body of this invention. It is a principal part expanded sectional view of the storage container. It is a principal part expanded sectional view which shows the state which unlocked the open operation piece. It is a principal part expanded sectional view which shows the state which rock | fluctuated and operated the open operation piece. It is a front view of the storage container. It is the same top view. It is a bottom view of a storage container which omitted a saucer.

DESCRIPTION OF SYMBOLS 1 Container body 2 Opening part 3 Cover body 31 Receiving wall part 4 Latching part 5 Opening operation piece 6 Receiving piece 7 Oscillating shaft 8 Bearing hole 81 Extension part 82 Position control protrusion 83 Thin part 84 Deformation absorption hole 9 Receiving piece acceptance Part 10 Receptacle 11 Peripheral wall 12 Housing part 13 Spring 14 Wall piece 15 Projection 16 Picking piece

Claims (2)

A lid is attached to the opening of the container body so as to be swingable, and a wall piece on the swing side of the lid is closed by hanging on the container body, and in the vicinity of the latching portion of the lid, received by receiving pieces of opening operation piece that is rotatably supported by the container body, the opening and closing structure of the lid that is to extrude the oscillating operation of the open operation lever, constitutes the opening operation piece member a piece, the open the bearing hole of the container body for pivotally supporting the pivot shaft of the operation lever with extending receiving one side of the opening operation piece, the opening operation piece swinging axis of the open operation lever when moved to the extended portion of the bearing hole A receiving piece receiving portion into which the receiving piece is inserted is formed in the container body , and the receiving piece is pushed down by pushing down the distal end side of the opening operating piece in a state where the receiving piece of the opening operating piece is pulled out from the piece receiving portion. push the wall pieces of the lid, characterized in that so as to release the locking Opening and closing structure of the body. A position restricting protrusion for restricting the movement of the swing shaft is formed between the bearing hole and the extension, and a deformation absorbing hole is provided on the back side of the position restricting protrusion via a thin portion. The lid opening and closing structure according to claim 1 .

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