JP3184786B2 - Container lid opening and closing mechanism - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mechanism for opening and closing a lid of a container such as a toilet or a garbage container.

[0002]

2. Description of the Related Art FIG. 16 shows a garbage container (41) installed in a kitchen. When the tip of an operating rod (42) is stepped on with a foot, a lid (43) opens. When the foot is released, the lid (43) is closed. The lid (43) is of a folding type by being divided into two members (43A, 43B) hinged to each other at an intermediate portion. Even if there is a sink (44) or the like above the lid (41), the lid (43) can be opened without interference with the sink (44) or the like.

[0003]

The foldable lid (43) is naturally closed when the foot on the operating rod (42) is released, but in this case, the folded lid (43) is closed. Must be opened by hand as shown by the arrow in FIG. However, touching the lid of a toilet bowl or a garbage container with a hand gives a sense of fouling, and it is also difficult for a handicapped person to open the lid, and there is no point in opening and closing the lid with a foot-operated operating rod.

[0004]

According to the present invention, as a means for solving the above-mentioned conventional problems, a lid (3) is attached to an upper opening (5).
Attach the operating rod (9) to the container (1) with
When the (9) is depressed, the link (14) is interposed so that the lid (3) is opened, and the lid (3) is divided into two members (3A, 3B) which are hinged to each other at an intermediate portion. The hinge (3B) on the hinged end side of the lid (3) has a bracket (17).
The pusher (18) is attached to the pusher (18) so as to be able to rotate back and forth, and a butterfly on the lid (3) of the container (1) and the root end side with respect to the rotation shaft (8A) of the root end of the pusher (18). An object of the present invention is to provide an opening / closing mechanism for a lid (3) of a container (1) in which a position offset to the outside of a shaft AX is connected by a link (21). In the present invention, the extruder (18)
The link (21) links the tip side of the rotation axis (8A) of the container (1) and the position of the lid (3) of the container (1) offset inside the hinge axis AX.
May be connected. Further, the operating rod (9) is rotatably supported in the intermediate portion thereof in the container (1), and the distal end of the operating rod (9) is
(9A) is protruded from the container (1), and the guide hole (1) of the bracket (13) provided on the lower end of the operating rod (9) and the lower surface of the lid (3).
5) are connected by a link (14), and the guide hole (15) is inclined so as to become higher toward the hinged end side of the lid (3) when the lid (3) is closed, and has both ends. Engaging recesses (15A, 15B) are formed,
A shaft rod (16) at the upper end of the link (14) is slidably fitted in a guide hole (15) of the bracket (13), and a distal end of the operating rod (9).
When the (9A) is pushed down, the link (14) pushes the lid (3) through the shaft rod (16) fitted into one of the engaging recesses (15A, 15B) of the bracket (13). By raising and opening and closing by pressing down, the lid (3) can be kept open without continuing to step on the operating rod (9).

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention is shown in FIGS.
Shown in This specific example relates to a toilet. As shown in FIG. 1 and FIG. 2, the main body of the toilet (1) of this embodiment is composed of an outer tub (2) and a butterfly on the upper surface of the outer tub (2) at both ends of a root via hinges (4). A lid-mounted stool that is suspended in the outer tub (2) from an upper opening (5) of the outer tub (2).
A toilet seat (7) is placed on the upper surface of the outer tub (2) so as to surround the opening (5), and a pair of left and right erected at the root end of the upper surface of the outer tub (2). The bearing bracket (20) is hinged via a shaft (25). The lid (3) is foldable by being divided into two members (3A, 3B) hinged to each other via a hinge (8).

As shown in FIG. 3, an intermediate shaft (10) of a foot-operated operating rod (9) is rotatably supported in the outer tank (2) via a bearing (11). , The tip of the operating rod (9)
(9A) is exposed through a window (12) provided at the lower part of the outer tank (2).

As shown in FIGS. 3 and 4, the root end of the operating rod (9) and the opening / closing bracket (13) of the hinge-side member (3B) of the lid (3) are connected by a plate-like link (FIG. 3). 14), and
The opening and closing bracket (13) has a lid (3) as described in detail in FIG.
A guide hole (15) which is inclined so as to become higher toward the hinged end side of the lid (3) when the cover is closed is provided, and both ends of the guide hole (15) are engaged. Recesses (15A, 15B) are formed. The opening / closing bracket (13) is attached to the lower surface of a pair of left and right lids (3), and both ends of an upper end shaft (16) of the link (14) are slidably fitted in the guide holes (15). ing.

As shown in FIG. 2, a pair of right and left push-out brackets (17, 17) is further provided on the member (3B) on the hinged end side of the lid (3).
The hinged shaft (8) is attached to the upper end of the push-out bracket (17) of the member (3B) from the hinged end of the other member (3A).
The hinged lid hinges that are rotatably connected via A) (26)
The hinged shaft (8A) is further attached to a plate-shaped pusher (1).
8) is a rotating shaft that rotatably supports the intermediate portion of the frame (19) on both sides. The distal end of a plate-like link (21) that supports the root end shaft (24) rotatably on the bearing bracket (20) is connected to the root end of the frame (19).
That is, the pusher (18) is attached to the left and right end bearings (22) of the link (21).
A pivot shaft (23) at the root end of the frame (19) is rotatably supported through it, and the root shaft (24) of the link (21) is shown in FIG.
As shown in the figure, the lid (3) is rotatably supported at a position offset outside the hinge axis (AX) connecting the left and right hinges (4, 4). Furthermore, a pillow portion that comes into contact with the pusher (18) of the member (3B)
(27) is provided.

In the above configuration, when the lid (3) shown in FIG. 3 is closed, the link (14) of the operating rod (9) is closed as shown in FIG.
The upper end shaft (16) is the guide hole of the opening / closing bracket (13) of the lid (3).
(15) Lid (3) Engagement recess (15A) at end opposite to hinged side
Has been fitted.

In this state, as shown in FIG. 7, when the foot F is pressed on the foot portion (9A) of the operating rod (9) which is exposed from the outer tub (2), the operating rod (9) is connected to the link (14). 8) is lifted as shown by the arrow a in FIG. 8, and the link (14) is connected to the hinged end member (3B) via the opening and closing bracket (13) in the direction of the arrow B (opening direction) through the hinge (4). The lid (3) is folded and opened in this way, and in the fully opened state, the state shown in FIGS. 6, 7 and 9 is obtained. Then, step on the operating lever (9) (9
When the foot F is released from the position (A), the operating rod (9) returns to its original position mainly due to the weight of the portion closer to the root end than the shaft (10) and the weight of the link (14), as shown in FIG. The upper end shaft (16) of the link (14) is connected to the guide hole (15) of the opening / closing bracket (13) of the lid (3).
Then, the guide hole (15) is slid down from the engagement recess (15A) as shown by the arrow C and fitted into the engagement recess (15B).

In this way, even when the foot F is released from the operating rod 9, the lid 3 is kept in the fully opened state, and the toilet 3 is used in the fully opened state. When the operating rod (9) is depressed, the operating rod (9) lifts the link (14) as shown by arrow d in FIG. 11, and the link (14) raises the member (3B) via the opening / closing bracket (13). And rotate it around the hinge (4) in the direction of arrow E (close direction). In this manner, in the fully closed state, the folded lid (3) is opened and expanded again as shown in FIG.

When closing such a lid (3), the pushing tool (1)
Since the root shaft (24) of the link (21) of (8) is connected to the bearing bracket (20) at a position offset to the outside of the hinge axis AX of the lid (3), the lid (3) is closed. In the direction (arrow E in FIG. 11), the frame (18) of the pusher (18) is rotated.
A), and the pusher (18) is rotated about the hinged shaft (8A) in the direction of arrow G in FIG.
The member (3A) is forcibly pushed open through (27). Therefore the lid
When closing (3), the members (3A, 3B) are smoothly opened and expanded from the folded state without using hands.

After the cover (3) is completely closed,
When the foot F is released from (9), the operating rod (9) returns to its original position in the same manner as described above, and the upper end shaft (16) of the link (14) is attached to the lid (3) as shown in FIG. Guide hole (1
The guide hole (15) slides down from the engagement recess (15B) of (5) as shown by the arrow and fits into the engagement recess (15A), and returns to the state shown in FIG.

In addition to the specific examples described above, in the present invention, the link (21) of the pusher (18) may be in the form of a string or a wire, and the link (14) of the operating rod (9) may be in the form of a rod.

Further, as shown in a trash container (31) shown in FIG. 14, a rotating link (35) is brought into contact with an operating rod (34) for opening a foldable lid (33) composed of two members (33A, 33B). The rotating link (3
5) and a bracket protruding backward from the hinge (36) of the lid (33)
The vertical link (38) is set between the vertical link (38) and the operating rod (34) is depressed with the foot as shown by the arrow H, and the rotating link (35) rotates in the direction of the arrow, and the vertical link (38) ) May be pulled down in the direction of the arrow, and the lid (33) may be opened in the direction of the arrow by pulling down the vertical link (38). In this case, of course, in order to keep the lid open, the operating rod (34) must be continuously depressed with the foot.

In the refuse container (31), as shown in FIG. 15, the root end of the pushing tool (18) is supported on the pushing bracket (17) by a shaft (23A), and the link (21) is Rotate the tip
(8A) to the middle of the frame (19A) on both sides of the pusher (18), and connect the root shaft (24A) of the link (21) to the bearing bracket.
In (20), the lid (3) is connected to a position offset inward from the hinge axis AX. In this case, when closing the lid (33), the link (21) pushes up the pusher (18) and rotates it as shown by the arrow o.

[0017]

According to the present invention, since the lid of the container is of a foldable type, it does not interfere with the upper one when the lid is opened. When opening the lid, there is no need to touch the hand, so that the lid can be used cleanly.

[Brief description of the drawings]

 1 to 13 show one specific example of the present invention.

FIG. 1 is a perspective view of a toilet lid closed state.

FIG. 2 is a perspective view of a toilet lid half-open state.

FIG. 3 is an explanatory sectional view of a toilet lid closed state.

FIG. 4 is an explanatory perspective view of a lid opening / closing mechanism.

FIG. 5 is a side view of the opening / closing bracket part with the lid closed.

FIG. 6 is an explanatory sectional view of a lid part in a lid open state.

FIG. 7 is an explanatory sectional view of the toilet bowl with the lid open.

FIG. 8 is a side view of a part of the opening / closing bracket where the lid is opened.

FIG. 9 is a side view of the opening / closing bracket part with the lid fully opened.

FIG. 10 is a partial side view of the opening / closing bracket when the foot is released from the operating rod.

FIG. 11 is a side view of a part of the opening / closing bracket in a state where the lid is closed

FIG. 12 is a side view of the opening / closing bracket part when the lid is completely closed.

FIG. 13 is an explanatory sectional view of a lid in a lid closing start state.

FIG. 14 is an explanatory view of a lid opening / closing mechanism of another specific example.

FIG. 15 is an explanatory view of an extrusion mechanism of another specific example. FIGS. 16 and 17 show a conventional example.

FIG. 16 is a perspective view showing a fully opened state of the lid.

FIG. 17 is a side view showing the lid being closed.

[Explanation of symbols]

 1 Toilet bowl (container) 3 Lid 3A, 3B member 5 Top opening 8A hinged axis (rotating axis) 9 Operating rod 13 Opening / closing bracket 14 Link 15 Guide hole 16 Shaft bar 17 Push-out bracket 18 Push-out tool 19,19A Frame 20 Bearing Bracket 21 Link 23 Pivot axis 24 Root end axis 25 Hinged axis 31 Garbage container (container) 33 Lid 33A, 33B Member 34 Operating rod AX Lided axis of lid

Claims (3)

(57) [Claims] An operating rod is attached to a container having a lid hinged to an upper opening, and a link is interposed so that the lid is opened when the operating rod is depressed. The lid is hinged to each other at an intermediate portion. It is made foldable by being divided into two members, and an extruding tool is attached to the hinged end side member of the lid via a bracket so as to be able to rotate back and forth, and is more than a rotating shaft of the pushing tool. A container lid opening / closing mechanism, wherein a root end side and a position offset outside of a hinge axis of the container lid are connected by a link. 2. An operation rod is attached to a container having a lid hinged to an upper surface opening, and a link is interposed so that the lid is opened when the operation rod is depressed, and the lids are mutually hinged at an intermediate portion. The pusher is attached to the hinged end side member of the lid via a bracket so as to be able to rotate back and forth, and a pivot shaft of the pusher root end is provided. Opening and closing mechanism of the container lid, characterized in that a tip end side of the container lid and a position offset inside the hinge axis of the container lid are connected by a link. 3. The operating rod is rotatably supported at an intermediate portion thereof in the container, and a tip end of the operating rod is protruded from the container, and is connected to a root end of the operating rod. A guide hole of a bracket provided on the lower surface of the lid is connected by a link, and the guide hole is inclined so as to become higher toward a hinged end side of the lid when the lid is closed, and engagement recesses are formed at both ends. The upper end shaft of the link is slidably fitted in the guide hole of the bracket, and when the tip of the operating rod is pressed down, the link is fitted into one of the engagement recesses of the bracket. 3. A mechanism for opening and closing a lid of a container according to claim 1, wherein the lid is pushed up and opened and pushed down and closed via a shaft rod.