JP3008337U - Anti-locking device for storage of goods - Google Patents

Abstract

(57) [Summary] [Purpose] In a storage cabinet equipped with multiple drawers,
Documents can be put in and taken out of the upper and lower drawers at the same time. [Structure] A first drawer 2 having an open upper surface and a front surface is provided on the upper stage of the storage main body 1, and a second drawer 3 having an upper surface opening is provided below the middle stage, and a flip-up door 4 is provided on the upper front surface of the main body 1. A first lifting rod 8 is fitted to a guide rod 5 pivotally provided on the side plate 1a of the main body 1, and the first lower rod 8
Engagement device 6 that locks lifting rod 8 when it is raised to the upper limit
A lock for locking the door 4 to the second elevating rod 14 by fitting the second elevating rod 14 that is moved up and down by the locking device 15 to the upper part of the first elevating rod 8 and linking with the first elevating rod 8. Arm 1
6, the drive pins 13 are provided on the drawers 2 and 3 so as to project laterally, and the first lifting rod 8 is provided with a plurality of actuating tools 11 that are moved up and down by the forward and backward movements of the drive pins 13. .

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention has a plurality of drawers for storing a large number of documents and files that are vertically stacked so that documents can be put in and taken out of the upper and lower drawers and can be locked when not in use. The present invention relates to an anti-locking device for a locked storage.

[0002]

[Prior art]

 When storing two or more drawers at the same time in a storage room with multiple drawers stacked one above the other, if there are a large number of storage items, the storage center may move forward and backward due to the movement of the center of gravity. is there.

Various types of storages are known to deal with this problem, but the conventional storage is designed so that two or more drawers cannot be pulled out at the same time.

[0004]

[Problems to be solved by the device]

 Therefore, it is troublesome and time-consuming when a large number of documents are put in and taken out in each drawer, or when the required documents are selected from each drawer.

Further, the conventional device has a problem that the structure is complicated and expensive, and the operation becomes unsmooth due to slight deformation of the storage body and drawer. The present invention aims to provide a storage that solves these problems.

[0006]

[Means for Solving the Problems]

 The present invention provides a top drawer and a first drawer that opens to the front, and a second drawer that opens only to the upper surface in the middle and lower, in the upper part of the main part of the storage main body that opens to the front, and to the upper part of the front part of the main body of the storage. In a storage case provided with a flip-up type door that covers the front surface of the first drawer, the first elevating rod is slidably fitted to a guide rod that is fixed to the inner side surface of the storage case body and faces in the vertical direction. An engaging device is provided between the guide rod and the guide rod when the first elevating rod is raised to the upper limit, and a second elevating rod which is moved up and down by a locking device is provided on the upper part of the first elevating rod. They are slidably fitted and linked so that both lifting and lowering rods can be moved up and down in conjunction with each other, and can be moved up and down independently. Secure the actuator with the inclined groove facing the A drive pin that passes through the inclined groove when projecting and retracting the drawer is installed at a key point on the side surface of the shank, and the center part is pivotally supported by the storage cabinet body on the second lifting rod, and the downward hook at the front end. Is engaged with the rear end of the lock arm that can be engaged and disengaged from above with the engaging hole on the inner surface of the door.

[0007]

[Action]

 When the locking device is operated to lock, the second lifting rod is slightly raised, the front end of the lock arm is engaged with the door and locked so that it cannot be flipped up, and at the same time, the first lifting rod is slightly pulled up and raised together. The respective actuating devices are located immediately before the respective drive pins to prevent the forward movement of the respective drawers, and the raised mutual engaging devices at the lower ends of the first elevating rods are close to each other but not engaged.

When the unlocking operation is performed, the second lifting rod is slightly lowered, the engagement between the lock arm and the door is released, and the door can be flipped up. At the same time, the first lifting rod is also lowered slightly, The engaging device is further separated, and the rear end of the inclined groove of each actuating tool descending together is positioned immediately before each drive pin, and each drawer can be pulled out.

When any one of the drawers is pulled out in this state, the drive pin of the drawer horizontally passes through the inclined groove immediately before, and the first lifting rod as well as the actuating tool is further raised as compared with the locked state. , The mutual engaging devices at the lower ends are engaged and locked to the guide rod. The other actuator raised together is positioned immediately before the other drive pin and prevents forward movement, so that the other drawer cannot be pulled out. At this time, since the second lifting rod does not rise, the door can be opened and closed as in unlocking, and documents and the like can be taken in and out from the front.

In this state, when the drawn drawer is pushed in, each drawer can be pulled out, and each drawer is locked by the locking operation.

[0011]

【Example】

 FIG. 1 shows an embodiment of the present invention. As shown in FIG. 1, a first drawer (2) having an open top and a front is provided at an upper stage of a storage main body (1) having a front opening. Also, a second drawer (3) having an open upper surface is superposed on the middle and lower tiers.

An upper end of a door (4) which covers the front surface of the first drawer (2) and can be flipped up in the arrow direction is pivotally supported on the upper front surface of the storage case body (1). A locking hole (4a) is formed in a key portion on the back surface of the door (4).

A U-shaped groove-shaped guide rod (5) is formed on the inner side surface of both side plates (1a) (the left side plate is not shown) of the storage main body (1) so as to be oriented in the up-down direction and open on the inner side surface. ) Is stuck.

A gripping tool (7), which is one member of an engaging device (6) described later, is fixed to the lower end of the inner surface of the guide rod (5). The gripping tool (7) is composed of a pair of front and rear spring plates, and has a C-shaped introduction part (7b) formed at the lower end of the central locking part (7a).

In the guide rod (5), a U-shaped groove-shaped first elevating rod (8) having an open outer surface is slidably fitted, and a rectangular engaging hole is formed in the upper portion of the inner surface. (9) is cut out, and an engaging pin (10) which engages and disengages the gripping tool (7) from below is laterally projected at the lower end.

A rectangular block-shaped actuating device (11) is fixed to the side of the central portion of each drawer (2) (3), and an inclined groove facing the lower front is formed on the inner surface of the actuating device (11). (12) is cut.

Immediately after each actuating tool (11) on the side surface of each drawer (2) (3) when it is pushed in, a driving pin (13) is laterally projected.

A second U-shaped groove-shaped lifting rod (14) having an outer side opening is slidably fitted to the upper inside portion of the first lifting rod (8). The linking piece (14a) provided inwardly at the lower end of the second lifting rod (14) is fitted in the engaging hole (9), and the upper end is fitted to the front upper end of the storage (1). By engaging the drive shaft (15a) at the rear end of the locking device (15), the second lifting rod (14) moves up and down by the locking and unlocking operation of the locking device (15).

In front of the second lifting rod (14) on the side plate (1a) of the storage body (1), the central portion of the lock arm (16) facing the front and rear is pivotally supported, and the long hole ( 17) is engaged with the central portion of the second lifting rod (14) by the pin (18), and the downward hook (19) also provided at the front end is the locking hole (4a) of the door (4). Can be engaged from above.

The figure shows the locking of the above-mentioned device, in which the drive shaft (15a) of the locking device (15) pivots upward, the second lifting rod (14) rises slightly, and the lock arm ( The hook (19) of 16) engages with the locking hole (4a) of the door (4), and the door (4) is locked so that it cannot be flipped up.

The linking piece (14a) of the second lifting rod (14) is engaged with the upper end of the engaging hole (9) of the first lifting rod (8), and the first lifting rod (8) is suspended. The actuating tools (11) are positioned immediately before the drive pins (13), and the drawers (2) and (3) are locked so that they cannot be drawn out.

The engaging pin (10) at the lower end of the first lifting rod (8) is located immediately below the gripping tool (7) and is not engaged.

When the locking device (15) is unlocked in the above-mentioned state, as shown in FIG. 3, the drive shaft (15a) thereof rotates downward and the second lifting rod (14) slightly moves. As the lock arm (16) is lowered, the lock arm (16) is rotated, the hook (19) at the front end is disengaged upward from the locking hole (4a), and the door (4) can be flipped up.

At the same time, the first elevating rod (8) is slightly lowered, and the rear ends of the inclined grooves (12) of the respective actuating tools (11), which are lowered together, are positioned immediately before the drive pins (13), Each of the drawers (2) and (3) can be pulled out, descends together with the engagement pin (10) of the engagement device (6), and is separated by the gripping tool (7).

In this state, as shown in FIG. 4, when the second drawer (3) in the middle stage is pulled out, its drive pin (13) horizontally moves the inclined groove (12) of the immediately preceding actuating tool (11). Since it passes, the first lifting rod (8) rises together with the actuating tool (11) from the time of locking, and the engaging pin (10) of the engaging device (6) engages with the grasping tool (7). Thus, the first lifting rod (8) is held by the guide rod (5). Therefore, documents and the like can be put in and taken out from the second drawer (3) in the middle stage.

At this time, since the engaging hole (9) of the first lifting rod (8) has a sufficient margin below the linking piece (14a) of the second lifting rod (14), the first lifting rod (8) has a sufficient margin. Even if (8) rises, the second lifting rod (14) does not rise. Therefore, since the door (4) continues to be unlocked, if the door (4) is flipped up, the first drawer (2) cannot be pulled out, but documents and the like can be taken in and out from the front. .

The actuating tools (11) other than the middle stage, which have been raised together with the first lifting rod (8), are located immediately before the corresponding drive pins (13), and are the drawers (2) (3) other than the middle generation. Are locked withdrawals, and no more than one drawer (2) (3) can be withdrawn by mistake.

In this state, if the second drawer (3) in the middle stage that has been pulled out is pushed in, each component operates in the reverse order to the unlocked state shown in FIG. 3, and if the locking operation is further performed, The locked state shown in FIG. 2 is obtained.

The upper first drawer (2) can also be independently pulled out as needed if the storage is unlocked.

The both drawers (2) and (3) are not limited to the above-mentioned embodiment, and the articles to be stored are not limited to the books and files.

[0031]

[Effect of device]

 (a) Since two or more drawers are automatically controlled so that they cannot be pulled out at the same time, it is safe without the risk of the storage cabinet falling forward due to the forward movement of the center of gravity.

(B) Documents and the like can be simultaneously put in and taken out from a plurality of drawers if necessary, which is convenient and convenient.

(C) The structure is relatively simple, it can be manufactured at low cost, and there is no fear of failure.

[Brief description of drawings]

FIG. 1 is a partially omitted inner side view of an article storage case to which the present invention is applied.

FIG. 2 is a view showing the operation of the device of the present invention when the storage is locked.
FIG.

FIG. 3 is likewise an enlarged view of an essential part corresponding to FIG. 2 when the storage is unlocked.

FIG. 4 is likewise an enlarged view of a main part corresponding to FIG. 2 when one drawer is pulled out.

FIG. 5 is an enlarged exploded perspective view of a main part of FIG.

6 is an enlarged cross-sectional view taken along line XX of FIG.

[Explanation of symbols]

 (1) Storage main body (1a) Side plate (2) First drawer (3) Second drawer (4) Flipping door (4a) Locking hole (5) Guide rod (6) Engaging device (7) Grasping tool (7a) Locking part (7b) Introductory part (8) First lifting rod (9) Engagement hole (10) Engagement pin (11) Actuator (12) Inclined groove (13) Drive pin (14) Second Lifting rod (14a) Linking piece (15) Locking device (15a) Drive shaft (16) Lock arm (17) Long hole (18) Pin (19) Downward hook

Claims (1)

[Scope of utility model registration request] 1. A first drawer having an upper surface and a front opening is provided in an upper stage of a storage main body having a front opening, and a second drawer having only an upper surface opened in a middle stage and below, and a first drawer is provided at an upper front portion of the storage main body. (1) In a storage case provided with a flip-up type door that covers the front surface of the drawer, a first raising and lowering rod is slidably fitted to a guide rod fixed to the inner side surface of the storage case body and oriented in the up-down direction. When the first elevating rod is raised to the upper limit, an engaging device for gripping the first elevating rod is provided, and a second elevating rod that is moved up and down by a locking device is slidably provided on the upper part of the first elevating rod. Mating,
An actuating tool which is linked so that both elevating rods can be moved up and down in conjunction with each other and can be slightly moved up and down independently, and which has an inclined groove on the side surface facing the front lower side outside each drawer in the first elevating rod. The drive pin that passes through the slant groove when projecting and retracting the drawer is projected on the side surface of each drawer, and the central portion is pivotally supported by the storage main body on the second lifting rod. An anti-locking device in an article storage, wherein a downward hook engages a rear end of a lock arm that can be engaged and disengaged from above with an engaging hole in an inner surface of a door.