JP2583510Y2 - cabinet - Google Patents

Description

[Detailed description of the invention]

[0001]

The present invention relates to the simultaneous locking of all drawers in a filing cabinet for documents and the like, the prevention of the movement of another drawer when one drawer is pulled out, and the use of a flip-up door. The present invention relates to a drawer lock and a safety locking device for a cabinet capable of performing locking and unlocking .

[0002]

2. Description of the Related Art In a cabinet having a plurality of drawers, a locking device for locking all the drawers is generally provided for maintaining secrecy in the drawers. Further, in a cabinet having a plurality of drawers, if a plurality of drawers are pulled out at the same time, the center of gravity becomes unstable and the cabinet may fall down.
As disclosed in US Pat. No. 2,047,047, it is common to provide a safety locking device that prevents the drawer from moving while another drawer is in use. Further, as disclosed in Japanese Utility Model Publication No. 63-13722, a cabinet incorporating both these devices is also used.

[0003]

However, in a conventional cabinet which can perform locking and safety locking of all drawers, the locking device and the safety locking device are incorporated independently of each other. Since the operations are performed independently of each other, the internal structure of the cabinet is complicated, and the number of parts is large, which causes the assembling work to be extremely difficult.

Accordingly, an object of the present invention is to lock and draw all drawers in a cabinet, and to provide a flip-up door.
It is an object of the present invention to provide a locking and safety locking device having an integrated structure capable of performing the disengagement with a light force .

[0005]

In order to achieve the above object, the invention according to claim 1 includes at least a drawer of a plurality of stages which can be taken in and out, and which covers a front surface of a predetermined drawer.
A cabinet main body having one flip-up door, a first operating rod vertically provided along an inner surface of a side wall of the cabinet main body and vertically moved by a locking operation unit, and a first operating rod along the first operating rod;
Corresponding to the position of the flip-up door
Connected to the first operating rod via the arranged engaging member,
All drawers are locked to the storage position in conjunction with the first operating rod .
Leaving the entire drawer from the retracted position there that locked position and in its upper
There and in its upper該解lock position to movably and first operation rod up and down between and put capable unlocked position to release
Storage position when one drawer is pulled out
Movably set between the safety locking position to lock in alone
A second actuating rod which kicked provided on the first and second operation rod, and a holding member for detachably holding the second actuating rod in a safe locked position, the first operating rod Its up and down
Key to lock and unlock the flip-up door in conjunction with
The plate is connected via the engaging member .

[0006] The invention according to claim 2 is characterized in that a side portion of each drawer is provided.
The engagement pins are protruded from the
A guide member is fixed to the operating rod of No. 2, and each guide portion
When the second operating rod is in the lock position, the engaging pin is extracted.
And pass the second operating rod
Front down slope to move from lock position to safety lock position
A groove is formed, and guide members above and below the inclined groove are formed.
The rear surface has the second operating rod in the locked position and the safety locked position.
Rutoki drawer engagement pin abuts in each storage position
The drawer is formed so as to prevent the drawer from being pulled out .

According to a third aspect of the present invention, the key plate is provided therein.
Part swings inside the side wall of the cabinet body through the horizontal axis.
Movably pivoted, one end of the key plate is of the flip-up type
The other end of the key plate is formed so as to be engageable with a door,
A member is integrally formed, and the engaging member is connected to the first actuating member;
The second work is inserted into an engagement hole formed in the rod.
Movably in the vertical direction with respect to the engaging hole formed in the moving rod
It is characterized in that

[0008]

According to a first aspect of the present invention, there is provided a cabinet drawer locking and safety locking device according to the first aspect , wherein the drawer locking and safety locking device is provided inside the side wall of the cabinet body along the first operating rod.
The second operating rod vertically installed on the
Move up and down between the locking position and the locking position below it, and
Moves up and down between the unlocked position and the safety lock position above
It is connected via an engagement member so that it can move. The first operating rod and the second operating rod include a second operating rod.
A holding member for detachably holding in the safety locking position is provided.
Have been killed. The first operating rod is linked with the vertical movement of the
A key plate for locking and unlocking the flip-up door serves as the engagement member.
Are connected via Are connected organically
With this configuration, (a) the second locking and unlocking operation performed via the first operating rod
Operating rod is held in the safety locking position by the holding member.
Nothing. Therefore, the locking and unlocking operation can be easily performed with a light force.
It can be carried out. (B) Any one of the drawers is pulled out and the second operating rod
Is moved from the unlocked position to the safety locked position.
The holding member provided on the operating rod and the second operating rod is the second operating rod.
Since the operating rod is detachably held at the safety locking position,
The resistance of the second operating rod due to the load during
The operation can be prevented from becoming heavy. (C) The first operating rod extends along the inner surface of the side wall of the cabinet body.
The second operating rod is a flip-up door.
First actuation via an engagement member arranged corresponding to the position
It is connected to a rod and locks and unlocks the flip-up door.
The key plate to be operated is interlocked with the vertical movement of the first operating rod.
It is connected to the first operating rod via the engaging member.
So, the flip-up door can be any of the top to bottom
Even if the drawer is in a position to cover it, the flip-up door
Locks and unlocks flip-up doors, even with a few
The key plate and the first operating rod correspond to the position of the flip-up door
Can be easily connected via engaging members
it can. The effect described above can be achieved.

A drawer lock and a cabinet for the cabinet according to claim 2.
And the safety locking device, when the second operating rod is in the unlocking position, the inclined groove of each guide member is
Since it is located at a position where the engaging pin of each drawer housed therein can be passed in the drawer drawing direction, a desired drawer can be drawn. When any one of the drawers is pulled out, the engaging pin pushes the guide member upward along the inclined groove of the corresponding guide member while passing through the inclined groove in front of the corresponding guide member, so that the second operating rod is unlocked. From the position to the secure locking position above it. And the second operating rod is safely locked
Provided to the first and second operating rods when raised to the position
The held holding members engage with each other to hold the second operating rod in the safety locking position with respect to the first operating rod.

When the second operating rod is in the safety locking position, the engaging pins of the other drawers housed in the cabinet body abut against the rear surface below the inclined grooves of the corresponding guide members. Thus, the drawer is prevented from being pulled out. On the other hand, since the front end opening of the inclined groove of the guide member corresponding to the drawer pulled out when the second operating rod is in the safety locking position is at the position for receiving the engaging pin of the drawer,
The drawn drawer can be returned into the cabinet body without any trouble.

When the drawer is returned into the cabinet main body, the engaging pins push the guide members downward along the inclined grooves of the corresponding guide members while passing through the inclined grooves of the corresponding guide members. The second operating rod moves down from the safety locking position and returns to the unlocking position. Therefore, it becomes possible to draw out a desired drawer thereafter.

When the locking operation section is operated to lock, the first operating rod moves downward, so that the second operating rod interlocks with the first operating rod via the engaging member to move from the unlocked position to the locked position. Descend. When the second operating rod is in the locked position, the rear surface above the inclined groove of each guide member is in a position where it comes into contact with the engaging pin of the drawer in the storage position.
Can be locked.

[0013] In the cabinet drawer locking and safety locking device according to the third aspect, the middle portion of the key plate is a horizontal shaft.
Pivotable to the inside of the side wall of the cabinet body through
One end of the key plate can be engaged with the flip-up door.
And the engaging member is integrated with the other end of the key plate.
And the engaging member is formed on the first operating rod.
And is formed in the second operating rod.
Engaged in the vertical direction with respect to the engaged engagement hole.
Therefore, the first operating rod and key plate can be linked with the minimum number of parts
Noh can be linked.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the accompanying drawings.

FIG. 1 is a perspective view of a filing cabinet 10 to which the present invention is applied. This cabinet 10
Has a cabinet body 12 having left and right side plates 12A and 12B, and three stages of drawers 14 and 16. The lower two stages of drawers 16 are box-shaped having a front wall because documents can be easily taken in and out by grasping the handle 16A and pulling it forward. On the other hand, it is not easy to take in and out the documents in the uppermost drawer 14 at a high position, so that the front surface of the drawer 14 is open, and the cabinet body 12 has a flip-up door for covering the front surface of the drawer 12. 1
5 are provided. Further, although the operation will be described later, engagement pins 18 are provided on both sides of each of the drawers 14 and 16. Further, a key cylinder lock 20 is attached to the front surface of the upper plate portion of the cabinet main body 12, and all the drawers 14, 16 and the flip-up door 15 can be locked and unlocked by a key operation as described later. I can do it.

FIG. 2 is an exploded perspective view of a main part of the filing cabinet 10 and corresponds to the upper right part of FIG. The structure described below is the same on the left side of the cabinet 10. Hereinafter, FIG. 3 and FIG. 4 will be referred to together. Right side plate 12B of cabinet body 12
The inside of the front part is spot-welded with a side plate front reinforcing member 22 having a sectional shape as shown in the figure. The front side plate reinforcing member 22 has a vertical groove 24 formed in a vertical direction, and the vertical groove 24 has a bottom surface 24B and both side surfaces 24A. Holes 22A and 22B are formed in a portion having a space between the side plate 12B. The function of these holes will be described later.

A first operating rod 26 having a U-shaped cross section is inserted into the vertical groove 24 so as to be slidable in the vertical direction. At the upper end of the first operating rod 26, a key rod receiving plate 30 having a U-shaped cross section having a hole 30A is fixed by spot welding in a direction facing the first operating rod 26. The first operating rod 26 can be slid up and down with respect to the vertical groove 24 by rotating the key stick 28 engaged with the hole 30A by the key operation of the key cylinder 20 described above. Immediately below the key stick receiving plate 30, a plastic locking member 32 forming one holding member is mounted via a locking member mounting plate. The locking fixture mounting plate 34 is
Is fixed to the operating rod 26 by spot welding. Further, a key plate locking plate 36 having a locking hole 36A is fixed to the first operating rod 26 by spot welding at a predetermined position below the key plate locking plate 36.

A second operating rod 38 having a U-shaped cross section is arranged in a direction facing the first operating rod 26 so as to be slidable in the vertical direction. At the upper end of the second operating rod 38, a plastic locking projection 40 as the other holding member is fixed. The locking projection 40 is formed so as to be snap-fittable to the locking tool 32. These holders include, for example,
The one disclosed in No. -20547 can be used. Further, the locking member 32 and the engaging projection 40 may be attached to the first and second operating rods upside down.

Further, the engaging pin 1 on the side of each drawer 14, 16
The guide member 42 made of plastic is provided at a position corresponding to 8.
Are fixed to the second operating rod 38 by, for example, a one-touch push-in method. The three guide members 42 are of the same form, and have inclined grooves 42A that fall forward toward the front of the cabinet 10, and these inclined grooves 42A can pass the engaging pins 18 of each drawer. Has become. The rear surface above and below the inclined groove 42A of the guide member 42 forms a locking surface 42B that can lock the engaging pin 18 of the drawer. When each drawer is pulled out, only the engaging pin 18 and the inclined groove 42A of the guide member 42 are in sliding contact with each other. The inclined groove is short, and the guide member is made of plastic, so that almost no noise is generated.

The second operating rod 38 has a vertically long slot 38.
A is formed. On the other hand, it is easy to understand when FIG. 3 is also referred to, but the shaft 44A of the member serving as the key plate 44 is pivotally supported by the hole 22A of the front side plate reinforcing member 22 so as to be rotatable. The rear end engaging portion 44B of the key plate 44 is
The first operating rod 2 is inserted through the elongated hole 38A of the second operating rod 38.
6 is engaged with a lock hole 36A of a key plate lock plate 36 fixed to the lock plate 6. That is, the key plate 44 is connected to the first operating rod 26 and the second operating rod 26.
Also serves as an engaging member for connecting the actuating rod 38 of FIG. As shown in FIG. 3, the front end engaging portion 44C of the key board 44 is configured to be able to engage with the engaging hole 15A of the flip-up door 15. That is, the first operating rod 2
6, the key plate 44 rotates around the shaft 44A, whereby the front end engaging portion 44C of the key plate 44 engages with the engaging hole 15A of the flip-up door 15, and The engagement is released.

A plastic cover member 46 which covers the side surface of the key plate 44 and protects the operation of the key plate is provided with upper and lower locking portions 46B for the holes 22B of the side plate front reinforcing member 22 described above.
It is fixed by being locked to. The cover member 46 is provided with notches 46A and 46C so as not to interfere with the operation of the key plate 44. Further, a magnet 48 is held below the inside thereof, and an iron piece 15B
When closing the flip-up type door 15 to which the door is fixed, it serves to hold the door at the closed position. In order to prevent the door 15 from directly contacting the cover member 46 and to close it securely, the door 15 is attracted to an iron piece 50 attached to the front of the magnet 48.

The operation of the apparatus having the above configuration will be described below with reference to FIGS. FIG. 5 shows a state when the unlocking operation is performed. At this time, the first operating rod 26 has been lifted by a predetermined amount, and the second operating rod 3 has been lifted.
8 is a rear end engaging portion 44 of a key board 44 by the first operating rod 26.
It is likewise lifted from the locked position to the unlocked position via B. In this state, the engaging pins 18 on the side portions of the drawers 14 and 16 are at positions facing the inclined grooves 42A of the guide members 42 fixed to the second operating rod 38. In addition, the key plate 44 has its rear end engaging portion 44B pulled up in the long hole 38A of the second operating rod 38, so that the key plate 44 rotates about the shaft 44A (see FIG. 3), and the front end is Is disengaged from the flip-up door 15. Due to the above state, any of the drawers 14,
16 can also be withdrawn.

FIG. 6 shows the locked state. In this state, the first operating rod 26 is pushed down to the lower position by the action of the key rod 28 shown in FIG. 2, so that the rear end engaging portion 44B of the key plate 44 descends and rotates about the shaft 44A. Then, the front end engaging portion 44C is engaged with the flip-up door 15 covering the front portion of the uppermost drawer 14. At the same time, the rear end engaging portion 44B of the key plate 44 engaged with the locking hole 36A of the key plate locking plate 36 of the first operating rod 26
The second operating rod 38 is brought down from the unlocked position to the locked position by abutting on the lower edge of the long hole 38A of 8. Therefore, the second
The guide member 42 fixed to the operating rod 38 of FIG. As a result, the relative positions of the side portions of the drawers 14 and 16 with respect to the engaging pins 18 are shifted, and the engaging pins 18 are located on the rear locking surfaces 42B above the inclined grooves 42A of the guide member 42.
Will be in contact with. Therefore, any drawer cannot be drawn.

As described above, in the present embodiment, since the first operating rod 26 and the second operating rod 38 are connected via the rear end engaging portion 44B of the key plate 44, the first operating rod 26 and the second operating rod 38 are operated by the key operation. The second operating rod 38 can move up and down between the unlocked position and the locked position in conjunction with the vertical movement of the first operating rod 26. On the other hand, the engagement between the key plate 44 and the second operating rod 38 is a long hole 38A.
, The second operating rod 38 is connected to the first operating rod 26 as described later with reference to FIG.
Can be moved between the unlocked position and the safety locking position above the unlocked position.

When the second operating lever 38 is in the unlocking position shown in FIG. 5, the flip-up door 15 is flipped up and the uppermost drawer 14 is pulled out, as shown in FIG. In this case, the engagement pin 18 on the side of the drawer 14 passes horizontally through the inclined groove 42A inclined forward and downward, so that the guide member 42 moves up together with the second operating rod 38, and reaches the highest position, that is, the safety position. At the stop position, the locking projection 40 at the upper end of the second operating rod 38 is pushed into the locking tool 32 of the first operating rod 26. The locking projection 40 and the locking tool 32 are made of plastic, the engagement is elastic, and can be separated again by applying a force. That is, when the drawer 14 is pushed into the cabinet body 12, the guide member 42 moves down together with the second operating rod 38 when the engaging pin 18 passes backward through the inclined groove 42 </ b> A of the guide member 42. The stop members 40 and 32 are separated, and the second operating rod 38 returns to the unlocked position in FIG. Therefore, another drawer 16 can be pulled out.

Returning to FIG. 7 in which the drawer 14 has been pulled out again, the second operating rod 38 rises with respect to the first operating rod 26 by the action of pulling out the drawer 14, so that Guide member 42 with respect to the engagement pin 18
Is rising. Therefore, each engagement pin 18 comes into contact with the rear end locking surface 42B below the inclined groove 44A of each guide member 42. Therefore, the cabinet body 1
When trying to pull out the drawer 16 stored in the drawer 2, the engaging pin 18 comes into contact with the locking surface 42B of the guide member 42, so that the drawer 16 is prohibited from moving out. Similarly, when any one of the lower drawers 16, 16 is pulled out, the drawer movement of the remaining drawers 14, 16 is prevented. Therefore,
It is possible to prevent the cabinet 10 from tilting or falling due to instability of the center of gravity balance.

In the above embodiment, only the uppermost drawer 14 is an open front drawer, and the cabinet body 12 is provided with a flip-up door 15 for covering the front face. May be provided with a flip-up door. Further, all the drawers may have the same configuration as the drawer 16 of the above embodiment. in this case,
The flip-up door 15 can be omitted, and the key plate 44 for locking the flip-up door 15 can be omitted. In this case, in order to connect the first operating rod 26 and the second operating rod 38, an engaging member equivalent to the rear end engaging portion 44B of the key plate 44 in the above embodiment is used for the first operating rod. What is necessary is just to adhere to the rod 26 or to integrally form it.

[0028]

As is apparent from the above description, according to the present invention, the linking operation of the first operating rod and the second operating rod switches between locking and unlocking of all drawers. Safety lock of the remaining drawers when one drawer is withdrawn ,
The locking and unlocking of the flip-up door can be performed with a light force, respectively , and the structure is simplified, the number of parts is reduced, and the integrated locking and safety locking are excellent in assemblability. An apparatus can be provided.

[Brief description of the drawings]

FIG. 1 is a perspective view of a filing cabinet to which an apparatus according to the present invention is applied.

FIG. 2 is an exploded perspective view of a main part of the locking and safety locking device according to the embodiment of the present invention.

FIG. 3 is a side view of a main part of the locking and safety locking device shown in FIG. 2;

FIG. 4 is a plan view of a main part of the locking and safety locking device shown in FIG. 2;

FIG. 5 is an operation explanatory view of the locking and safety locking device shown in FIG. 2, and is a side view in an unlocked state.

6 is an operation explanatory view of the locking and safety locking device shown in FIG. 2, and is a side view in a locked state.

FIG. 7 is an operation explanatory view of the locking and safety locking device shown in FIG. 2, and is a side view in a safety locking state.

[Explanation of symbols]

 12 Cabinet main body 14, 16 Drawer 15 Jump-up door 18 Engagement pin 20 Key cylinder lock (locking operation part) 26 First operating rod 28 Key rod 32 Locking member (holding member) 38 Second operating rod 38A Long hole 40 Locking projection (holding member) 42 Guide member 42A Inclined groove 42B Rear locking surface 44 Key plate

Claims (3)

(57) [Scope of request for utility model registration] 1. A plurality of drawers are accommodated so that they can be taken in and out.
With at least one bounce over the front of the given drawer
A cabinet body having the door of the formula: a first actuating rod, which is moved up and down by along the inner surface of the side wall of the cabinet body are Tate設 locking operation unit is Tate設along a first actuating rod and the splash Raised door
1 through the engaging member arranged corresponding to the position
Coupled to Do杆, all drawer yield in conjunction with the first actuating rod
Locking position to lock to the delivery position and all drawers above it
Can be moved up and down between an unlocking position in which the drawer is removably released from the storage position , and the other when the one drawer is withdrawn from the unlocking position and above the first operating rod.
Single between the safety locking position to lock the drawer in the storage position
A second actuating rod which is movable in Germany, provided on the first and second operation rod, and a holding member for detachably holding the second actuating rod in a safe locked position, wherein The first operating rod is moved up and down by
The key plate that locks and unlocks the door is connected via the engaging member.
Drawer locking and safety locking device for cabinets, characterized in that they are connected together . 2. An engaging pin protrudes from a side of each drawer.
And a guide portion is provided on the second operating rod corresponding to each engagement pin.
Material is fixedly provided, and each guide member has a second operating rod.
When in the unlocked position, pass the engaging pin in the drawer
And move the second operating rod from the unlocked position to the safe locking position.
A downwardly inclined groove is formed before moving to the
The rear surface of the guide member above and below the groove is a second actuation rod.
Is in the locked position and the safety locked position, respectively.
Contact with the drawer's engaging pin on the drawer to prevent the drawer from being pulled out.
2. The structure according to claim 1, wherein the structure is formed so as to stop.
A drawer locking and safety locking device for a cabinet according to claim 1. 3. The key plate has a keyway in the middle through a horizontal axis.
Swingably pivoted inside the side wall of the cabinet
One end of the serial key plate is formed to the door and engageable ability of the flip-up
The engagement member is formed integrally with the other end of the key plate.
Wherein the engaging member is formed on the first operating rod.
The second operating rod fits into the hole and is formed on the second operating rod.
It is specially noted that it is
3. The drawer lock of the cabinet according to claim 1 or 2,
And safety locking device.