JP2692992B2 - Self-supporting structure of underfloor storage lid - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a lid body that is tilted and opened and closed by the rotation of an underfloor storage cabinet to make the lid body stand by itself when the lid body is opened. .

[Prior Art] Conventionally, the self-supporting structure of the lid 1 in the underfloor storage A is
As shown in FIGS. 11 and 12, one end of the stay a is pivotally supported by the lid body 1, the stay a is inserted into the insertion hole 1b provided in the receiving frame 2 of the underfloor storage A, and the spring c elastically moves upward. The urging operation rod d is pressed against the side edge of the stay a, and the stay a is pushed up by the spring c with the lid 1 opened, so that the hook portion e of the stay a has one edge of the insertion hole b. To prevent the lid body 1 from falling down in the opening direction, and the edge of the lower end of the stay a opposite to the hook portion e hits the other edge of the insertion hole b to lock the lid body 1 in the closing direction. It doesn't fall down. In this conventional example, when the lid 1 is closed, the operating rod d is pushed down to release the lock.

[Problems to be Solved by the Invention] However, in the above-mentioned conventional example, when the lid 1 is closed, the lock is released by grasping the operation rod d and pushing it down against the spring c. Case 1 with one hand
Since it is necessary to lower the operation rod d with the other hand while supporting the operation, there is a problem that the operation becomes troublesome because both hands are operated.

The present invention has been made in view of the above-mentioned points, and its object is to enable opening and closing of the lid body by one-handed operation, and further, to attach and detach the lid body up and down in a horizontal state with the lid body closed. It is to provide a self-supporting structure for the lid of the underfloor storage that can be easily implemented.

[Means for Solving the Problems] In order to achieve the above object, the self-supporting structure of the lid of the underfloor storage according to the present invention has a rectangular receiving frame 2 at the upper opening of the underfloor storage A.
In the underfloor storage in which the rectangular lid 1 fitted in the opening of the receiving frame 2 is pivoted up and down so that the lid 1 can be opened and closed, the lid on the outer periphery of the lid 1 is provided. The flange 4 extends outward from the upper portion of the frame 3, and the locking piece is provided at least at both corners of one side of the lid 1 that becomes the center of rotation when the lid 1 rotates and rises and falls. 5 hangs vertically with respect to the flange portion 4, a lid body guide 6 is provided on the rotation center shaft of the inner surface on both sides of the receiving frame 2, and the locking piece 5 is inserted into the lid body guide 6. The gap S is provided between the inner surface of the receiving frame 2 and the arc-shaped lid body rotation guide portion 6a for abutting the locking piece 5 and the flange portion 4 to guide the rotation of the lid body 1, and the lid body 1
And a stopper portion 6b for preventing the lid body 1 from falling down in a standing state.

Further, the lid guide 6 is formed in a substantially inverted L shape, and the end of the lateral piece 7 of the lid guide 6 contacts the locking piece 5 and the flange portion 4 when the lid 1 is rotated. An arc-shaped lid body guide portion 6a for guiding the movement is provided, and the lower end of the locking piece 5 abuts on the vertical piece 8 of the lid body guide 6 in a state where the lid body 1 is erected and the lid body 1 is erected. Stopper part 6b to prevent falling over
Is preferably provided.

Further, it is also preferable that push-up means 9 for pushing the lid 1 upward in the state where the lid 1 is erected is provided.

[Operation] When the lid 1 is moved up and down while holding the rotation center side and the opposite side of the lid 1, the lid 1 is rotated and tilted to be opened and closed. When the lid 1 is rotated, the inner corners of the locking piece 5 and the flange 4 are brought into contact with the arc-shaped lid rotation guide portion 6a to be guided and rotated, so that the lid 1 is smoothly moved. It rotates to open and close. Stopper 6b with lid 1 upright
The lid 1 is supported so that it does not fall down and becomes independent. Further, when the lid body 1 is lifted in a self-standing state, the lid body 1 becomes rotatable and the lid body 1 can be rotated to open and close. The lid body 1 can be easily attached and detached by moving the lid body 1 up and down in a state in which the lid body 1 is tilted to be horizontal.

[Example] Although the underfloor storage A is arranged under the floor, a rectangular opening communicating with the inside of the underfloor storage A is provided on the floor surface, and the receiving frame 2 is attached along the inner circumference of the opening. Has been done. The receiving frame 2 is a rectangular frame as shown in FIG. 7, and has a receiving piece 2b horizontally protruding inward from the lower end of the vertical vertical portion 2a and outward from the upper end of the vertical portion 2a. Edge 2c horizontally towards
Have been serialized. The lid body 1 is formed by attaching a lid plate 11 to a rectangular lid frame 3. The lid frame 3 is formed as shown in FIG. 8, and has a shape along the inner circumference of the receiving frame 2 so as to be placed on the receiving piece 2b along the inner circumference of the receiving frame 2 when fitted into the receiving frame 2. Has become. A flange portion 4 is provided on the outer periphery of the upper end of the lid frame 3 so as to horizontally project over the entire circumference, and when the lid frame 3 is fitted into the receiving frame 2, the flange portion 4 is provided.
The outer circumference of the is aligned with the inner circumference of the upper end of the vertical portion 2a of the receiving frame 2. The lid plate 11 is attached to the lid frame 3 at the site where the underfloor storage A is attached, and is attached by using a floor material that is aligned with the floor surface of the construction site as the lid plate 11.
A handle 12 is provided on the upper surface of the lid body 1, and the lid body 1 can be rotated about one side opposite to the side where the handle 12 is provided as a rotation center. On both sides of one side, which is the center of rotation of the lid body 1, locking pieces 5 hanging vertically to the flange portion 4 are attached. Lid guides 6 are provided on the inner surfaces of both sides of the receiving frame 2 at positions close to the center of rotation of the lid 1. In the case of this embodiment, the lid guide 6 is formed of a substantially inverted L-shaped plate material composed of a horizontal piece 7 and a vertical piece 8, and is attached to the inner surface of the vertical portion 2a of the receiving frame 2 with a screw tool 10. . An arcuate lid rotation guide portion 6a is provided at the tip of the horizontal piece 7 of the lid guide 6, and the vertical piece 8 is provided.
A stopper portion 6b is provided to prevent the lid body 1 from falling over in a standing state. A lid body rotation guide portion 6a of the lid body guide 6 and a vertical portion 2a facing the lid body rotation guide portion 6a.
A gap S is provided between the inner surface and the inner surface. The lid frame 3 of the lid 1 is fitted in the receiving frame 2, and the locking piece 5 of the lid frame 1 is inserted in the gap S between the lid rotation guide portion 6a and the vertical portion 2a. This lid frame 3 can be removed by pulling it upward as shown in FIG. 5 (a) in a state where it is fitted into the receiving frame 2 and is horizontal, and the lid frame 3 can be easily attached and detached. The lid body 11 can be assembled by simply attaching the lid plate 11 to the lid frame 3 at the construction site after detaching it. Then, when the handle 12 is lifted from the closed state of the lid body 1, the inner corner portion between the flange portion 4 and the locking piece 5 is located on the lid body rotation guide portion 6a as shown in FIG. The cover 1 is rotated in a contacted state and the lid 1 is opened. Lid 1
When it is raised vertically, the inner corner portion is separated from the lid rotation guide portion 6a, and the locking piece 5 side of the lid body 1 is lowered to receive the receiving piece of the receiving frame 2.
The locking piece 5 is placed on 2b, and the lower end of the locking piece 5 hits the stopper portion 6b of the vertical piece 8 to be self-standing. At this time, as shown in FIG. 4 (a), even if a force in the direction of arrow P is applied to the lid body 1, the lid body rotation guide portion 6a and the flange portion 4 contact with each other at a portion indicated by reference numeral a and indicated by a reference numeral b. The flange portion 4 and the vertical portion 2a hit against each other at the part and cannot fall. Also, as shown in FIG. 4 (b), even if a force in the direction of the arrow P'is applied to the lid 1, the flange portion 4 and the vertical portion 2a abut on the portion indicated by the reference numeral C and are locked at the portion indicated by the reference numeral D. The piece 5 and the stopper part 6b hit and cannot fall. By the way, normally, when the lid body is opened and closed by turning, the lid body is attached rotatably around the shaft, but when the lid body is rotatably attached around the shaft, when the lid body is raised to stand by itself. When a vertical force is applied to the lid body, all the forces are applied to the shaft and there is a problem in vertical load resistance. However, with the structure of the present invention as described above, a vertical load is applied when the lid body 1 is vertically raised. However, the frame 2 can receive the load, and the vertical load resistance can be increased. When closing the lid body 1, as shown in FIG. 5 (b), the lid body 1 is lifted up, and the inner corner portion between the locking piece 5 and the flange portion 4 is brought into contact with the lid body rotation guide portion 6a, In this state, the lid body 1 is tilted to rotate the lid body 1 using the lid body rotation guide portion 6a as a rotation guide to close the lid body 1. At this time, since the corner guide 13 is provided at the end edge of the lid 1 on the handle 12 side, the flange 2 can be smoothly received up to the receiving frame 2
Fit inside. Further, when the lid 1 is rotated to be opened and closed, the lid 1 smoothly rotates about the arc-shaped lid rotation guide portion 6a.

9 (a) and (b) show another embodiment of the above. A pin is used as the lid guide 6, and the pin is projected from the inner surface of the vertical portion 2a of the receiving frame 2. The pin-shaped lid body guide 6 also serves as the lid body rotation guide portion 6a and the stopper portion 6b. Also in this case, when the lid 1 is opened and closed, the lid guide 6 contacts the inner corner between the locking piece 5 and the flange 4, and the lid 1 can be smoothly rotated. Further, when the lid 1 is raised vertically, the inner corner is separated from the lid guide 6, the side of the locking piece 5 of the lid 1 is lowered, and the locking piece 5 is placed on the receiving piece 2b of the receiving frame 2 to be self-supporting. To do. At this time, as shown in FIG. 9 (a), even if a force in the direction of arrow P is applied to the lid body 1, the lid body rotation guide portion 6a and the flange portion 4 come into contact with each other at the portion indicated by reference numeral E and are indicated by reference numeral F. The flange portion 4 and the vertical portion 2a hit against each other at the part and cannot fall. Further, as shown in FIG. 9 (b), even if a force in the direction of the arrow P'is applied to the lid body 1, the flange portion 4 and the vertical portion 2a abut on the portion indicated by reference numeral G and the flange portion at the portion indicated by reference numeral E. I can't fall down by hitting 4.

10 (a) and 10 (b) show another embodiment. In the case of this embodiment, the pushing-up means 9 is provided on the receiving piece 2b of the receiving frame 2. The push-up means 9 includes a storage housing 9a and a push-up pin 9b and a push-up pin 9b that can freely move in and out of the storage housing 9a.
And a spring 9c for urging the upper part of the spring 9c upward. When the lid 1 is raised, as shown in FIG. 10 (a), the push-up pin 9b is pushed by the locking piece 5 and the push-up pin 9b is retracted. As shown in (b), the push-up pin 9b is projected by the force of the spring 9c to push the lid body 1 upward to reduce the force for lifting the lid body 1.

[Advantages of the Invention] As described above, the present invention has a lid body in which a flange portion extends outward from an upper portion of a lid frame on an outer periphery of a lid body, and is a rotation center side when the lid body rotates and is tilted. A locking piece is hung perpendicularly to the flange portion at at least both corners of one side of, and a lid guide is provided on the inner side of both sides of the receiving frame on the center of rotation.
This cover guide is provided between the inner surface of the frame and the gap into which the locking piece is inserted, and the cover rotates in an arc shape that abuts on the locking piece and the flange to guide the rotation of the cover. Since the guide part and the stopper part that prevents the lid body from falling down in the state where the lid body is erected are provided, by moving the lid body up and down with the side opposite to the center of rotation of the lid body, the arc shape is formed. The engaging piece and the inner corner portion of the flange portion are brought into contact with the lid rotation guide portion of the lid body to be guided and rotated, so that the lid body can be smoothly rotated and closed, and of course, the lid body is erected. In this state, the stopper is supported by the stopper so that the lid does not fall, and the lid is rotatable when the lid is lifted while the lid is standing. The lid can be opened and closed easily by one-handed operation. Since the lid can be easily moved up and down while tilted down and horizontal, the lid frame can be easily removed when mounting and assembling the substrate on the lid frame at the construction site, and the lid plate that matches the floor of the construction site can be easily removed. It can be easily attached.

Further, in the invention according to claim 3 of the present invention, since the pushing-up means for pushing up the lid body in the state where the lid body is erected is provided, when the lid body is lifted to fall from the standing state, the pushing-up means is used. The force required when the lid body is pushed up and lifted can be reduced.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a receiving frame and a lid frame according to an embodiment of the present invention, FIG. 2 is a partially cutaway front view of an essential part of the same, and FIG. 3 is a state in which the lid body is self-supporting. Partial cutaway front view, FIG. 4 (a) and (b) are partially cutaway front views for explaining the operation of the same in a self-supporting state, and FIG. 5 (a) is a state in which the lid is lifted in a horizontal state. A partially cutaway front view to be described, FIG. 5 (b) is a partially cutaway front view of a state in which the lid body is lifted in a self-supporting state, and FIGS. 6 (a) and 6 (b) are partially cutaway planes of FIG. Drawing and a partial cutaway front view, Drawing 7 (a) (b) is a top view of a receiving frame same as the above, and partial cutaway front view, Drawing 7 (c) is a sectional view of a receiving frame, Drawing 8 (a) ) (B) A plan view and a partially cutaway front view of the lid frame of the above, FIG. 8 (c) is a sectional view of the lid frame, and FIGS. 9 (a) and (b) are parts of other embodiments of the above. Notched front view, same as Figure 10 (a) and (b) FIG. 11 is a partially cutaway front view of still another embodiment of the present invention, FIG. 11 is a perspective view of a conventional example, and FIG. 12 is a sectional view of a main part of the conventional example, where A is an underfloor storage box, 1 is a lid, Reference numeral 2 is a receiving frame, 3 is a lid frame, 4 is a flange portion, 5 is a locking piece, 6 is a lid body guide, 6a is a lid body rotation guide portion, 6b is a stopper portion, 7 is a horizontal piece, and 8 is a vertical piece. , 9 are pushing-up means.

Claims (3)

(57) [Claims] 1. A rectangular receiving frame is provided in an opening on the upper surface of an underfloor storage, and a rectangular lid fitted in the opening of the receiving frame is pivoted so that the lid can be opened and closed. In the above-mentioned underfloor storage, the flange portion extends outward from the upper portion of the lid frame on the outer periphery of the lid body, and one side of the lid body becomes the rotation center side when the lid body rotates and falls. At least at the corners on both sides, the locking pieces hang down perpendicularly to the flange, and the lid body guides are provided on the inner surfaces on both sides of the receiving frame on the rotation center side. A state in which the lid is erected, and an arc-shaped lid rotation guide portion that is provided between the inner surface of the frame and the gap into which the is inserted and abuts the locking piece or the flange portion to guide the rotation of the lid body. A self-supporting structure for the lid of the underfloor storage, which is provided with a stopper portion for preventing the lid from falling over. 2. The lid guide is formed in a substantially inverted L shape,
An arc-shaped lid body rotation guide portion is provided at the end of the lateral piece of the lid body guide to abut on the locking piece or the flange portion when the lid body is rotated and guide the rotation. 2. The underfloor storage device according to claim 1, wherein the vertical piece is provided with a stopper portion for preventing the lid body from falling over in the upright state by abutting the lower end of the locking piece in the upright state of the lid body. Freestanding structure of the lid of the warehouse. 3. The self-supporting structure for the lid of an underfloor storage according to claim 1 or 2, further comprising push-up means for pushing the lid upward with the lid standing upright.