JPH1150716A - Flap door device for hung cupboard - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the simple opening of a door due to external force such as an earthquake by attaching a handle equipped with a layer energized with a spring to the center of a lower edge of a flip up type flap door, and releasing a latch through a lever operation to open and close the door. SOLUTION: The center of a lower edge of a flap door is provided with an opened part, and a handle 4 having a lever 6 energized with a spring is attached to the opened part so that the lower edge of the lever 6 may be aligned to the lower edge of the door. When the lever is drawn to this side, the pivot shaft of the lever 6 rotates to rotate an arm protruding from the pivot shaft for rotating a latch bar through a link mechanism. Latches provided at both the ends of the latch bar therefore come off from an engaged part on the side of a main body, and when they are further pulled, the door is opened. Since the lever 6 is energized with a coil spring, it is automatically reset by releasing operators hand. Thus, to consequently prevent the engagement of the latch from coming off, the door from opening and the accommodated objects such as an earthquake acts on the device from dropping, even if an external force.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flap door for a hanging cabinet, and more particularly, to a bouncing device used for a hanging cabinet installed above a partition, such as a low partition, which is disposed behind a desk or the like and constitutes a workspace. It relates to a flip flap door.

[0002]

2. Description of the Related Art Heretofore, a flap door of this type, which has a flip-up type in which an opening / closing operation is flipped up to an upper surface of the cabinet, is often used. In such a conventional flap door, the hanging cabinet and the plate-shaped door body that covers the front opening thereof are magnets provided on the hanging cabinet when the door body covers the front opening of the hanging cabinet. The catch and a simple catching device provided on the hanging cabinet and the door body that are engaged with each other are connected so that there is no play or gap between them.

[0003]

However, with the above-described magnet catch and simple catch device, when a large load is applied between the suspended cabinet and the door due to an earthquake or the like, the two can be easily connected. And the door body opens, causing a problem that stored items stored in the suspended cabinet are dropped.

The present invention solves such a problem, even when a large load is applied between the hanging cabinet and the door cabinet due to an external force such as an earthquake force. An object of the present invention is to provide a flap door device of a hanging cabinet that keeps a closed state of a door main body without easily detaching and that prevents stored items stored in the hanging cabinet from dropping.

[0005]

According to the present invention, the above-mentioned problem is solved as follows. (1) In a flip-up flap door device of a hanging cabinet, an opening is provided at a lower edge of a door body that covers a front opening of the hanging cabinet, and a lever for releasing a latch is provided at the opening, and the lower edge is a door. It is provided so as to be aligned with the lower edge of the main body and to release the latch by pulling it toward the user.

(2) In the above item (1), the lever is provided at the center of the lower edge of the door body.

(3) In the above item (1) or (2), the upper end of the lever is pivotally attached to the door body, and the lower portion is also movable in the front-rear direction, and the lower portion of the lever is urged rearward. Elastic means is provided.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A flap door type hanging cabinet (1) shown in FIG. 1 has a door body (2) attached to an opening on the front surface of a hanging cabinet (3). The door body (2)
From the closed position shown in this figure, it can be flipped up and pivoted and moved to an open position where it is housed on the upper surface of the hanging cabinet (3).

The lower end of the flat plate-shaped door body (2) has a rearwardly inclined portion (2a) formed integrally therewith.

At the center of the lower end of the door main body (2) including the inclined portion (2a), a notch or opening (2b) opening downward is formed, and a handle for opening and closing the flap door is formed in the opening (2b). (4) is fitted.

FIG. 2 shows the front of the handle 4, and FIG. 6 shows the left side thereof. As is clear from these figures, the handle (4) is composed of a lever frame (5) and a lever (6) attached to the opening (2b) of the door body (2), and the lever (6) has a pivot ( An arc-shaped slot (8) of the lever frame (5) centering on 7)
, And can be moved from a rearward inclined position (dotted line position in FIG. 6) aligned with the inclined portion (2a) of the door body (2) to a position pulled forward (chain line position in FIG. 6).

As shown in FIG. 2, the handle (4) is provided with a cylinder lock (9), and the latch (10) which is moved in and out by the cylinder lock (9) is used to control the lever (6). Forward rotation can be prohibited.

FIG. 3 is a view of the handle (4) viewed from the back, and FIG.
Is a view of the handle (4) as viewed from above, and on the left and right sides of the handle (4), engaging portions (indicated by reference numeral (24) in FIG. (Shown) is shown.

As is apparent from FIG. 3, an arm (12) projecting rearward from a pivot (7), which is the center of rotation of the lever (6), is formed integrally at substantially the center of the back surface of the lever (6). One end of a link (14) is pivotally attached to this arm by a pin (13).

At the other end of the link (14), an elongated hole (15) shown in FIGS. 8 and 9 is formed. A pin (18) projecting from the latch rod supporting member (16) and projecting laterally from a projecting portion (17) that rotates integrally with the latch rod supporting member (16) is loosely fitted in the elongated hole (15). Both sides of the link (14) are slidably received by a movement preventing member (21) (see FIGS. 3 and 4) integrally formed with the lever frame (5).

As shown in FIG. 3, both ends of the latch rod support member 16 are rotatably received in the round holes (see FIG. 6) of the projecting portion 19 on the back surface of the lever frame 5, as shown in FIG. Square hole in its center
(16a).

A latch rod 20 composed of a long square rod shown by imaginary lines in FIGS. 3 and 4 is inserted into a square hole 16a formed in the center of the latch rod support member 16. The rectangular holes (11a) of the above-mentioned latch (11) are inserted into both ends, and are mounted so as to be located inside the both side plates of the hanging cabinet (3). Therefore, the pivotal movement of the latch rod support member (16) and the latch rod (20) is the rotational movement of the latch (11).

As shown in FIGS. 3 and 4, the latch rod supporting member (16) surrounds the latch rod supporting member (16), and is linked by a coil spring (22) stretched between the latch rod supporting member (16) and the lever frame (5). Via (14), the lever (6) is always urged to the pivot position so as to occupy the rear position.

As shown in FIGS. 3 and 7, the latch rod supporting member (16) is further provided with a locking projection (23) integrated therewith.
Are formed. The inner end of the latch (10) of the cylinder lock (9) extends close to the projection (23). Always a protrusion
The rotation of the cylinder lock (9) with the key is not hindered, but the latch (10) protrudes toward the projection (23). The rotation is blocked to lock the door body (2).

Next, the operation of the flap door device of the present invention will be described with reference to FIGS. Figure 8 shows the lever
(6) is rearward aligned with the inclined portion (2a) of the handle (2) by the force of the coil spring (22) (see FIG. 3) wound around the latch rod support member (16) via the link (14). When the lever (6) is pulled toward the user as shown by the arrow at this time, the lever (6) rotates around the pivot (7) and occupies the position shown in FIG. .

At this time, a pivot which is the center of rotation of the lever (6)
(7) The pin (13) of the arm (12) projecting backward from the link (1)
4) and pull the pin (1) loosely fitted into the slot (15) at the other end.
8) is pulled to rotate the protruding portion (17), that is, the latch bar support member and the latch bars (20) and (16).

This rotation is the rotation of the latches (11) at the left and right ends, and the latches (11) are suspended from the engaging portions (24) of the hanging cabinet (3).
By pulling the lever (6) further forward and upward, the door body (2) is pivoted to a horizontal state around the upper edge thereof to open it wide, and finally the hanging cabinet (3) It is possible to pull it in above the upper surface.

When closing the door body (2), in the final stage, the latch rod (16) once rotates in the opposite direction to that described above when the latch (11) is engaged with the engaging portion (24). However, the movement of the pin (18) of the projecting portion (17) at this time
4) Allowed by the slot (15) and not transmitted to the lever (6).

[0024]

According to the present invention, if the user puts his hand on the lever provided in alignment with the lower edge of the door body and pulls it forward, the latch for locking the door body to the hanging cabinet is released, and the door body becomes simple. Can be opened. In this way, due to the engagement of the latch, even if a large load is applied between the hanging cabinet and the door cabinet due to an earthquake or the like, the coupling between the hanging cabinet and the door cabinet does not come off, and the door cabinet does not come off. The closed state is maintained, and there is no danger of the stored items stored in the hanging cabinet being dropped.

According to the second aspect of the present invention, the lever is
If it is provided in the center of the lower edge of the door body, when opening the door body, after releasing the latch by operating the lever, the large door body can be opened in Can be rotated.

According to the third aspect of the present invention, the upper end of the lever is pivotally attached to the door body, the lower part is movable in the front-rear direction, and elastic means is provided for urging the lower part of the lever backward. It is reasonable because the lever operating direction for releasing the latch by pulling the lever elastically biased to the rear position, which is always in the latch engagement state, and the opening direction of the door body are reasonable. Good operability.

[Brief description of the drawings]

FIG. 1 is a perspective view of a hanging cabinet for carrying out the present invention.

FIG. 2 is an enlarged front view of only a handle shown at the lower center of FIG. 1;

FIG. 3 is a rear view showing the opposite side of the handle shown in FIG. 2;

FIG. 4 is a plan view of a handle shown with a latch attached to both ends of a latch bar.

FIG. 5 is a side view of a latch and an engaging portion of the hanging cabinet that is engaged with the latch.

FIG. 6 is a side view showing the handle together with a partial cross section of the door body.

FIG. 7 is a sectional view taken along the line VII-VII in FIG. 3;

FIG. 8 is a cross-sectional view taken along the line VIII-VIII of FIG. 3, showing a lever in an unoperated state.

FIG. 9 is a cross-sectional view taken along the line VIII-VIII of FIG. 3, showing a lever operation state.

[Explanation of symbols]

 (1) Suspended cabinet (2) Door body (2a) Slope (2b) Opening (3) Suspended cabinet (4) Handle (5) Lever frame (6) Lever (7) Axis (8) Slot (9) Cylinder lock (10) Latch (11) Latch (11a) Square hole (12) Arm (13) Pin (14) Link (15) Long hole (16) Latch rod support member (16a) Square hole (17) Projection (18) Pin (19) Overhang (20) Latch bar (21) Movement prevention member (22) Coil spring (23) Projection (24) Engagement part

Claims (3)

[Claims] In a flap door device of a flip-up type of a hanging cabinet, an opening is provided at a lower edge of a door body which covers a front opening of the hanging cabinet, and a latch releasing lever is provided at the opening at a lower edge thereof. Characterized in that the latch is released by aligning with the lower edge of the door body and pulling the latch toward the front. 2. The flap door device for a hanging cabinet according to claim 1, wherein the lever is provided at the center of the lower edge of the door body. 3. The lever according to claim 1, wherein an upper end of the lever is pivotally mounted on the door body, and the lower portion is also movable in the front-rear direction, and elastic means is provided for urging the lower portion of the lever backward. Door cabinet flap door device.