JPH0712288Y2 - Lid opener - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a lid opening and closing device for opening and closing a lid, and more specifically, for example, a lid for opening an upper opening of an ayu storage container for ayu fishing. The present invention relates to an opening / closing device for opening / closing a lid for opening / closing a door of the lid provided on the lid.

(Prior Art) As a lock device for a conventional sweetfish decoy can and a lid of a pet cage, as shown in FIG. 4, a base portion 30 and a lever 31 rotatably attached to one end portion of the base portion 30. When,
A clip having a latch ring 32 pivotally attached to the lever 31 is known.

In the conventional clip, the clip attachment body 34 is formed in the lid body 33, the base portion 30 is fitted in the fitting groove 35, and the clip attachment body 34 is attached using an attachment member such as a screw 36.

Then, by rotating the lever 31 with respect to the latching piece 37 provided on the frame body of the lid body corresponding to the clip mounting body 34, the latching ring 32 is latched, and the lid opening / closing lid is opened. Was fixed.

(Problems to be solved by the invention) In the above-mentioned conventional clip, the lever 31 is rotated to operate the latching piece.
Since it had to be hooked to 37, the locking of the lid opening / closing lid was very troublesome, and there was a problem that it was uncomfortable to use.

In particular, it was difficult to operate the lever 31 of a small clip in the river such as ayu fishing because the hand slips.

In addition, such a clip is not preferable in terms of aesthetics because the lever 31 portion becomes sublime and protrudes from the lid.

Further, there is also a problem that the lever 31 protruding from the lid is caught by something, the lever 31 is rotated, and the latch ring 32 is disengaged from the latch piece 37, so that the lid is opened.

The present invention has been made in order to solve such a problem, and an object thereof is to provide an opening / closing device in which the opening / closing lid can be easily opened and closed and the opening / closing lid is locked securely.

(Means for Solving Problems) A lid opening / closing device according to the present invention is attached to a lid main body that covers an opening of a storage container with a proximal end portion hingedly coupled, and the hinged coupling is a center of rotation. In a lid opening and closing device that locks the opening and closing lid body that opens and closes the entrance and exit of the lid body to the lid body by rotating the lid body, a notch for guiding through a lock member supporting surface provided at a tip end portion of the opening and closing lid body. Is formed, the board of the lock member is fitted in the guide notch so as to be able to move forward and backward, a finger hook portion is provided on the surface of the board, and the tip end lock portion of the board is a frame on the tip side of the opening / closing lid. Is inserted into the insertion hole formed through the through hole, the rear end engaging portion of the substrate is engaged with the lower surface of the pressing portion formed close to the rear end of the guide notch, and the forward and backward movement of the substrate is performed. Elastic arms extend on both sides crossing the movement direction, and these elastic arms are The lock member supporting surface is slidably supported, and both ends thereof are erected on the lock member supporting surface on both sides of the guide cutout, and the facing interval is narrowed from the rear end of the guide cutout toward the front end side. A hooking hole which is brought into contact with the cam surface of the cam portion, and into which the tip lock portion protruding from the insertion hole is inserted by urging the return elastic force of the elastic arm portion when the opening / closing lid is closed. It is formed on the lid body.

(Operation) According to the present invention, the tip lock portion of the lock member is inserted into the insertion hole formed in the frame of the opening / closing lid, and the base plate of the lock member is fitted into the guide notch of the support portion so as to be movable back and forth. And, since the rear end engaging portion of the substrate is engaged with the lower surface of the pressing portion of the supporting portion, and the lock member is provided on the supporting portion,
The board of the lock member is moved forward and backward by being guided by the guide notch of the support portion, and the board of the lock member is moved only in the forward and backward movement direction without moving in a direction different from the forward and backward movement direction of the substrate. It is possible to freely insert the tip lock portion projecting from the insertion hole into the hook hole formed in the lid body by biasing the return elastic force of the elastic arm, and to open and close the cover. The lid can be locked to the lid body. In addition, the rear end of the substrate is pressed against the lower surface of the pressing portion of the support portion of the rear end engaging portion to press the substrate of the lock member from above, and the rear end portion of the substrate moves when the substrate floats up or moves back and forth. I try not to go in a direction different from the moving direction.

In the present invention, an arcuate elastic arm that extends on both sides of the substrate so as to intersect the advancing / retreating direction of the substrate is slidably supported on the lock member supporting surface, and both sides of the arm are used for guiding. Since it is configured to abut on the cam surface of the cam portion which is erected on the lock member support surface on both sides of the notch and whose facing distance is narrowed from the rear end of the guide notch toward the tip side, When the opening / closing lid is opened / closed, both sides of the elastic arm slide in the front / rear end direction on the cam surface of the cam portion in accordance with the forward / backward movement of the lock member.

(Embodiment) FIG. 1 is an exploded perspective view of a part of the lid of the present invention disassembled, FIG. 2 is a partial perspective view of the lid slightly opened, and FIG. 3 is a front view of the lid closed. In the figure, reference numeral 1 denotes a lid main body, which covers the opening at the top of the ayu storage container 2 formed in the bottomed box.

The lid body 1 is fitted to the upper end of the peripheral wall of the ayu storage container 2,
A mounting portion 1a for fixing the lid main body 1 to the ayu storage container 2, an annular frame 1b which surrounds the mounting portion 1a on the inner side of the mounting portion 1a, and a flange 1c protruding outward at the lower end of the mounting portion 1a. Is formed. In the annular frame 1b, an opening / closing lid 3 for shielding the entrance / exit 1B for taking in / out bait ayu and hanging ayu is attached by hinge-joining the base end portion thereof, and the hinge-joint 10 is rotated about the rotation center. The doorway 1B of the lid body 1 is opened and closed by moving. In this embodiment, the opening / closing lid 3 and the opening / closing lid 3 at the base end of the opening / closing lid 3 are used to quickly put the fish caught in the opening / closing lid 3 into the ayu storage container 2. The ayu-charging lid 4 is attached to the annular frame 1b with its base end hinge-joined to the annular frame 1b, and the opening / closing lid 3 attaches the ayu-charging lid 4 to the lid body 1. Through the lid body 1
It is mounted to be openable and closable.

The opening / closing lid 3 is composed of a quadrangular frame 3A and a plurality of grid rods 3B, 3B equidistantly in the peripheral frame. The frame 3A has three end faces and both side faces and the annular frame 1b. An opening / closing lid body 3 is provided in the annular frame 1b so as to be in contact with the peripheral surface, and the lid body 1
The entrance / exit 1B is blocked.

In addition, the lid 4 for ayu is provided with a shutter 4A for putting a caught ayu etc. into the ayu container 2, and the shutter 4A is attached in a normally closed state by a spring (not shown). ing.

Reference numeral 6 denotes a lock device main body, which includes a lock member 7 and a support portion 8 that supports the lock member 7, as shown in FIG.

The lock member 7 is molded from a synthetic resin having elasticity such as polyurethane resin or polypropylene resin.

7A is a substrate of the lock member 7, which is formed in a flat plate shape,
The tip lock part 7C is attached to the tip part, and the rear end engagement part 7E is attached to the rear end part.
Is formed, arc-shaped elastic arms 7B are extended on both sides of the base plate 7A behind the front end lock portion 7C so as to intersect the forward and backward movement direction of the base plate 7A. A finger hook 7D is provided on the surface of the substrate 7A between the joint 7E and the finger hook 7D.

The support portion 8 is formed with a lock member support surface 8A for mounting and supporting the lock member 7 on the tip portion of the opening / closing lid body 3, and the lock member support surface 8A has the lock member support surface 8A. There is provided a guide notch 8a which is formed so as to pass through the base plate 7A of the lock member 7 and which is fitted so as to be movable back and forth. Further, on both sides of the guide notch 8a, there are provided cam portions 8C which are provided upright on the lock member support surface 8A and which are formed so as to narrow the facing distance from the rear end of the guide notch 8a toward the tip side. The outer surface of the cam portion 8C is formed as a cam surface 8C1. In addition, the substrate is moved closer to the rear end of the guide notch 8a.
A pressing portion 8D that engages the rear end engaging portion 7E of 7A with the lower surface is formed.

Reference numeral 8B denotes a frame rod that is erected on the lock member supporting surface 8A, and is formed by an oblique side portion 8b and a bottom side portion 8d that are formed so as to surround the guide notch 8a and the cam portion 8C.

Reference numeral 9 is a support portion, which is a support portion for supporting the finger on one side when the locked state of the lock device body 6 is released. The support portion 9 is formed in a cylindrical shape, and a hooking piece 9A for preventing it from slipping with a fingertip is integrally provided in the opening portion thereof. This finger holding part 9 is behind the lock device body 6,
The opening / closing lid 3 is provided with an appropriate space from the lock device body 6.
It is molded integrally with the Lattice Rod 3B.

Further, in the frame 3A on the front end side of the opening / closing lid 3, that is, in the frame 3A in front of the guide notch 8a, there is an insertion hole 3D for penetrating the frame 3A and inserting the tip lock portion 7C of the lock member 7. The insertion hole is formed and communicates with the insertion hole 3D.
Hook hole into which the tip lock part 7C protruding from 3D is inserted
1d is formed on the annular frame 1b of the lid body 1.

Next, the assembling state of the lock member 7 and the support portion 8 supporting the lock member 7 and the use state thereof will be described.

First, the front end lock portion 7C of the lock member 7 is inserted into the insertion hole 3D formed in the frame 3A of the opening / closing lid body 3, and the lock member 7
Notch 8a for guiding the support 8 so that the substrate 7A can be moved back and forth.
To fit. Then, the rear end engaging portion 7E of the substrate 7A is engaged with the lower surface of the pressing portion 8D of the supporting portion 8.

Also, an arcuate elastic arm 7B extending on both sides of the board 7A intersecting the forward / backward movement direction of the board 7A is slidably supported on the lock member supporting surface 8A, and both side portions 7b thereof are guided by the guide. The notch 8a is abutted against the cam surface 8C1 of the cam portion 8C which is erected on both sides of the lock member support surface 8A and whose facing interval is narrowed from the rear end of the guide notch 8a toward the tip side. .

Then, when the opening / closing lid 3 is closed, the tip lock portion 7C projecting from the insertion hole 3D by the restoring elastic force of the elastic arm portion 7B is formed on the lid body 1. It is inserted in the stop hole 1d.

When the opening / closing lid 3 is opened, the lock member 7
7D of the lock member 7 by placing a finger on the finger-holding portion 7D and the finger-holding portion 9
The rear end of the lock
7C and the hooking hole 1d formed in the lid body 1 are disengaged, and the opening / closing lid body 3 and the hinge coupling 10 are turned upward about the turning center to be lifted to remove bait ayu and hook ayu. Open the doorway 1B for taking in and out. In this case, both side portions 7b of the elastic arm 7B slide on the cam surface 8C1 of the cam portion 8C in the rear end direction. Then, when a certain amount of sliding is performed on the cam surface 8C1 of both side portions 7b of the elastic arm 7B, the tip 8C2 of the cam portion 8C abuts the back surface of the elastic arm 7B, and the elastic arm 7B is unfolded more than necessary. Prevent.

On the contrary, when the opening / closing lid 3 is closed, a finger is put on the finger hooking portion 7D and the finger holding portion 9 of the lock member 7 to move the base plate 7A of the lock member 7 backward to move the finger of the lock member 7 backward. By separating from the finger hook 7D, the tip lock portion 7C protruding from the insertion hole 3D by the restoring elastic force of the elastic arm 7B is inserted into the hook hole 1d formed in the lid body 1. , The opening / closing lid body 3 is locked to the lid body 1.

Further, in the above embodiment, the decoy can for storing ayu is described, but the opening / closing device for this lid is not limited to this, and it can be used for the upper lid of other storage containers, for example, the lid of a pet case. is there.

(Effect) As described above, according to the present invention, the leading end lock portion of the lock member is inserted into the insertion hole formed in the frame of the opening / closing lid, and the notch for guiding the support portion of the support member is provided so that the substrate of the lock member can be moved back and forth. And the rear end engaging portion of the substrate is engaged with the lower surface of the pressing portion of the supporting portion to provide the lock member on the supporting portion. It is possible to move only in the advancing / retreating movement direction without shifting to a direction different from the advancing / retreating movement direction of the substrate, and the tip locking portion projecting from the insertion hole is biased by the resilient elastic force of the elastic arm portion. The opening / closing lid can be securely inserted into the hook hole formed in the main body, and the lid body can be locked to the lid main body. In addition, the rear end of the substrate is pressed against the lower surface of the pressing portion of the support portion of the rear end engaging portion to press the substrate of the lock member from above, and the rear end portion of the substrate moves when the substrate floats up or moves back and forth. I try not to go in a direction different from the moving direction.

In the present invention, an arcuate elastic arm that extends on both sides of the substrate so as to intersect the advancing / retreating direction of the substrate is slidably supported on the lock member supporting surface, and both sides of the arm are used for guiding. Since it is configured to abut on the cam surface of the cam portion which is erected on the lock member support surface on both sides of the notch and whose facing distance is narrowed from the rear end of the guide notch toward the tip side, When the opening / closing lid is opened / closed, both sides of the elastic arm slide in the front / rear end direction on the cam surface of the cam portion in accordance with the forward / backward movement of the lock member. Therefore, the back-and-forth movement of the substrate, and thus the opening / closing lid, can be smoothly opened and closed. Further, when a certain amount of sliding is performed on the cam surfaces on both sides of the elastic arm, the tip of the cam portion abuts on the back surface of the elastic arm, which prevents the elastic arm from expanding more than necessary. it can.

[Brief description of drawings]

1 is an exploded perspective view of a part of the lid of the present invention, FIG. 2 is a perspective view of the lid opened, FIG. 3 is a plan view of the lid closed, and FIG. It is an Example perspective view. 1 ... Lid body, 1B ... Doorway, 1d ... Hook hole, 2 ... Storage container,
3 ... Opening / closing lid, 3A ... Frame, 3D ... Insertion hole, 6 ... Lock device body, 7 ... Lock member, 7A ... Base rod, 7B ... Elastic arm section,
7C ... Tip lock part, 7D ... Finger hook part, 7E ... Rear end engaging part, 8A ...
Lock member support surface, 8a ... Notch for guiding, 8C ... Cam portion, 8C1
… Cam surface, 8D… Pressing part, 10… Hinge connection

Claims (1)

[Scope of utility model registration request] 1. An opening / closing means for attaching and closing a base end portion to a lid main body for covering an opening of a storage container by hinge-joining, and pivoting the hinge joint as a rotation center to open / close an entrance / exit of the lid main body. In a lid opening / closing device for locking a lid body to a lid body, a guide notch is formed penetrating a lock member supporting surface provided at a tip end portion of the opening / closing lid body, and a substrate of the lock member advances and retracts in the guide notch. It is movably fitted, and a finger hook portion is projected on the surface of the board, and the tip lock portion of the board is inserted into an insertion hole formed through the frame on the tip side of the opening / closing lid body. The end engaging portion is engaged with the lower surface of the pressing portion formed close to the rear end of the guide notch, and the elastic arm portions are extended on both sides so as to intersect with the moving direction of the substrate. , The elastic arm portion is slidably supported on the lock member supporting surface, Portions are abutted on the cam surface of the cam portion, which is erected on the lock member supporting surface on both sides of the guide notch and whose facing distance is narrowed from the rear end of the guide notch toward the tip side, the opening / closing lid An opening / closing device for a lid, characterized in that a latching hole is formed in the lid body for inserting the tip lock portion projecting from the insertion hole by urging the elastic arm portion to return elastic force when the body is closed. .