JP2001008756A - Cabinet for kitchen furniture provided with drawer locking mechanism - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the extremely excellent drawer locking mechanism of a cabinet for kitchen furniture which is fitted in and a detachable manner by simple structure and avoids a drawer from being excessively drawn by accident. SOLUTION: In a drawer with respect to the drawer housing space of a cabinet for kitchen furniture, a drawer locking mechanism 10 consists of a mounting member 12 to be fixed so as to extend across the upper part of the front plate of the drawer. Then, the mechanism 10 consists of a lever 13 which is fitted to the part of the rear side of the front plate of this member 12 to be swingable downward from a locking position by extending nearly horizontally backward from a rotary shaft 14 around a horizontal rotary shaft 14 and is biased toward this locking position by a twisting coil screw 15, and a lock pawl 16 projecting upward from the rear end of the lever 13 to be engaged with an engaging part 20 fitted in the cabinet.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drawer in a cabinet such as a system kitchen or a sink, and more particularly to a cabinet for kitchen furniture having a lock mechanism for a drawer of a base cabinet.

[0002]

2. Description of the Related Art Conventionally, in kitchen furniture such as a so-called system kitchen, many drawers are incorporated in a cabinet. The present applicant has proposed a cabinet for kitchen furniture as shown in FIG. 6 as Japanese Patent Application No. 11-38099. That is, the cabinet for kitchen furniture shown in FIG. 6 has a large number of drawers incorporated in the cabinet and is not configured to separate the drawer and the kick as in the conventional case. It is characterized by the point that a rise 4 is provided.

[0003]

According to the kitchen furniture described above, the drawer at the bottom is slightly pulled out by a shock such as an infant pulling out and doing mischief or a worker kicking. Without realizing it, it could be a cause of anxiety such as tripping.

In view of the above, the present invention proposes a lock mechanism which has a simple structure and which can be easily attached to and detached from a front plate of a drawer. Even if the lock mechanism is slightly pulled out, the lock mechanism does not open more than a minimum opening. It is an object of the present invention to provide a cabinet for kitchen furniture provided with the drawer lock mechanism described above.

[0005]

SUMMARY OF THE INVENTION According to the present invention, a drawer-supporting box-shaped drawer having an open upper surface is provided in a drawer storage space of a cabinet for kitchen furniture. A mounting member attached so as to straddle the upper part of the plate, and a handle formed by recessing the vicinity of the upper part of the front plate of the drawer, forming a handle, straddling the upper part of the front plate and engaging with the handle part to be attached. A spring extending substantially horizontally rearward from the rotation axis around a rotation axis in the lateral direction with respect to a rear portion of the front plate of the mounting member, and pivotably mounted downward from the lock position; And a lock claw, which is urged toward the lock position by the lever, and a lock claw that protrudes upward from the rear end of the lever and engages with an engagement portion mounted in the cabinet. It is achieved by a kitchen furniture cabinet with a lock mechanism.

In the cabinet for kitchen furniture according to the present invention, the drawer lock mechanism is preferably such that the mounting member has elasticity and is held along the cross-sectional shape of the upper part of the front plate of the drawer, and is detachably gripped. ing.

In the cabinet for kitchen furniture according to the present invention, the drawer lock mechanism preferably has an upper surface near the front end of the lever, which is non-slip processed.

In the drawer lock mechanism for a cabinet for kitchen furniture according to the present invention, preferably, a lock claw provided at a rear end of the lever is formed substantially vertically on a front side and is formed obliquely on a rear side. .

The drawer lock mechanism in the cabinet for kitchen furniture according to the present invention is preferably mounted on the upper part of the front plate of the lowermost drawer.

According to the above configuration, when the drawer is closed, when the drawer is pushed into the drawer storage space of the cabinet, the locking claw at the rear end of the lever comes into contact with the engaging portion mounted in the cabinet. Preferably, the lever swings downward against the tension of the spring so that the rear oblique surface of the lock claw moves along the engagement portion. Then, when the lock claw passes through the engagement portion, the lever swings upward by the tension of the spring and returns to the horizontal lock position. Here, when the lever is in the lock position, the front vertical surface of the lock claw preferably engages with the engagement portion from the rear side, so that the drawer is stopped in this lock position, and Do not move to Further, from this state, the drawer is pushed into the drawer storage space and stored.

Further, when pulling out the drawer, the handle is first pulled toward the user, and the drawer stops at the lock position by engaging the lock claw of the lock mechanism with the engaging portion mounted in the cabinet. . Here, the user pushes down the non-slip, preferably knurled surface of the lever located immediately after the front plate of the drawer which has moved slightly forward, so that the lever is moved downward. By swinging, the lock claw at the rear end is released from the engagement portion, and the drawer is pulled out.

As described above, according to the lock mechanism according to the embodiment of the present invention, the lock mechanism reliably locks the drawer by engaging the lock claw with the engaging portion mounted in the cabinet. Therefore, even if it is pulled out slightly, lock it so that it does not open more than the minimum opening, especially if the drawer lock mechanism is installed on the upper part of the front plate of the lowermost drawer, the drawer may become large There is no such thing as being pulled out.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to FIGS.
Note that the embodiments described below are preferred specific examples of the present invention, and therefore, various technically preferable limitations are added. However, the present invention particularly limits the present invention in the following description. The embodiment is not limited to these embodiments unless otherwise stated.

FIG. 1 shows the configuration of an embodiment of a drawer lock mechanism in a cabinet for kitchen furniture according to the present invention. In FIG. 1, the drawer lock mechanism 10
For example, it is attached to a drawer 11 incorporated in a cabinet of kitchen furniture such as a system kitchen. As shown in FIG. 6, the drawer 11 is detachably attached to a large number of storage spaces in the upper, middle, and lower tiers. The drawer lock mechanism 10 includes a substantially inverted U-shaped mounting member 12 mounted so as to straddle the upper part of the front plate 11a of the drawer 11, a lever 13 swingably mounted on the mounting member 12, and a drawer. 11 is incorporated in a cabinet 30 in which the assembly 11 is incorporated, that is, an engaging portion 20 fixed to a side plate 31. The front plate 11a of the drawer 11 of the cabinet for kitchen furniture has a flat rectangular shape as shown in the upper and middle sections of FIG. 6, or a recess formed near the upper portion as shown in the lower section to form a handle. It is composed of one integrally configured.

The portion of the drawer 11 located above the front plate 11a is formed as a handle 11c, and its surface is preferably textured. The mounting member 1
2 is a portion 1 of the drawer 11 located behind the front plate 11a.
2b, for supporting a horizontal horizontal rotation shaft 14,
The bearing 12c is provided. As described above, the mounting member 12 is inverted U by the portion 12a located in front of the front plate of the drawer and the portion 12b located behind the front plate of the drawer.
The drawer 11 is elastic and has a width smaller than the thickness of the upper portion of the front plate 11a of the drawer 11, and is detachably inserted and detached when attached over the upper portion 11b of the front plate 11a. It is preferable that the mounting is ensured by the elastic return force. Also, as shown in FIGS.
When the handle 11c is formed by recessing the vicinity of the upper portion 11b of the upper portion 1a, a locking portion 12d is formed at the lower end of a portion 12a located in front of the front plate of the drawer of the mounting member 12, and the front plate It is desirable that the holding portion 12d be fitted over the upper portion 11b of the holding member 11a and be engaged with the handle 11c so that the holding portion 12d can be detachably inserted and removed, and that the holding portion 12d is securely attached by an elastic return force.

The lever 13 has a bearing 13a provided at a front end thereof as shown in FIG.
The mounting member 12 is rotatably supported by a bearing 12c. In the illustrated case, the bearing 13a is disposed slightly below the main body of the lever 13 and serves as a stopper due to the arrangement of the bearing 13a. The lever 13 is raised above the horizontal lock position by the restoring force of the coil spring 15. It can swing downward from a substantially horizontal lock position without rotating. Further, the lever 13 is urged counterclockwise by the torsion coil spring 15, that is, upward toward the locked position. The upper surface 13b in front of the lever 13 is subjected to a non-slip process, that is, a rough surface or irregular unevenness, preferably a knurling process as illustrated.

On the upper surface of the rear end of the lever 13, a lock claw 16 is formed integrally. The lock claw 16 protrudes upward from the upper surface of the rear end of the lever 13 and has a front end surface 16a that is substantially vertical, and a rear side surface 16b that is slanted. It is formed as.

The drawer 11 is similar to a drawer of a conventional cabinet for kitchen furniture, in which slide rollers provided on both sides of the drawer engage with slide rails provided on both sides in the cabinet. This allows smooth withdrawal.

The drawer lock mechanism 10 for a cabinet for kitchen furniture according to the embodiment of the present invention is constructed as described above.
Is shipped assembled with the rotating shaft 14 and the torsion coil spring 15. At the time of attachment to the drawer 11, the attachment member 12 is first pushed into the upper part 11b of the front plate 11a of the drawer 11 against the elasticity of the attachment member 12, so that the structure is extremely simple. While
It is securely attached detachably so as to straddle the upper part 11b of the front plate 11a. Thereafter, while the drawer 11 is closed, the engaging portion 20 is attached to the inside of the cabinet 30, that is, to the inside of the side plate 31 in accordance with the positions of the lever 13 and the lock claw 16. The engaging portion 20 is configured as, for example, an L-shaped bracket, and is positioned on the inner surface of the cabinet 30 while being on the lever 13 at a slight distance from the front end surface 16a of the lock claw 16. , And is fixed to the side plate 31 by mounting screws 21 and the like. in this case,
The distance between the engaging portion 20 and the front end surface 16a of the lock claw 16 is
An interval slightly larger than the thickness of the finger is appropriate.

In this manner, as shown in FIG. 3, the drawer lock mechanism 10 is attached to the drawer 11, and the engaging portion 20 is attached to the inside of the cabinet 30, that is, to the side plate 31, so that the drawer lock mechanism 10 is attached. Complete. When the drawer 11 is to be closed, the drawer 1
1 is pushed into the cabinet 30, the lever 13
The lock claw 16 at the rear end abuts on the engaging portion 20 mounted in the cabinet 30, and when the drawer 11 is further pushed in, the rear side surface 16 b of the lock claw 16 moves along the engaging portion 20. Then, the lever 13 swings downward against the tension of the torsion coil spring 15. And
When the lock claw 16 passes through the engagement portion 20, the lever 13 swings upward due to the tension of the torsion coil spring 15, and returns to the horizontal lock position.

Here, when the lever 13 is in the lock position, the vertical front end face 16a of the lock claw 16 engages with the engaging portion 20 from the rear side. Do not move to In this case, since the front end face 16a of the lock claw 16 is vertical, the drawer 1
Even if a force is applied in the direction in which the lock claw 1 is pulled out, no downward force component is applied to the lock claw 16, so that the lever 13 does not swing and the lock claw 16 is
Never get out of the way. When the drawer 11 is further pushed in from this state, the drawer 11 is stored in the storage space.

When pulling out the drawer 11, first,
In the case of a normal flat rectangular front plate 11a, a handle attached to the front plate 11a is separately provided. In the case where a handle 11c is formed by recessing the vicinity of the upper portion 11b of the front plate 11a, the handle 11c is formed.
By pulling c forward, the lock claw 16 of the drawer lock mechanism 10 engages with the engagement portion 20 attached to the inside of the cabinet 30, that is, the side plate 31, and stops at the lock position (see FIG. 4). Here, when the user
As shown in the figure, the upper surface 13b of the lever 13 which is moved slightly forward to the position where the finger can be inserted and which has been slip-proof, preferably knurled, of the lever 13 located immediately after the front plate 11a of the drawer 11 is moved to the position indicated by the arrow A. By pushing downward, the lever 13 swings downward as shown by the dashed line, and the lock claw 16 at the rear end is released from the engaging portion 20. Then, by further pulling the drawer 11 forward, the drawer 11 is smoothly drawn along a slide rail (not shown).

On the other hand, if any external force is applied while the drawer 11 is in the closed position, even if the drawer 11 is moved forward by this shock, the lock claw of the drawer lock mechanism 10 16 is the cabinet 30
It stops at the lock position by engaging with the inner, that is, the engaging portion 20 attached to the side plate 31. In this state, even if any external force acts on the drawer 11, even if a force is applied in the direction in which the drawer 11 is pulled out, since the front end surface 16a of the lock claw 16 is vertical, Since no downward force component is applied to the lock claw 16, the lever 13 does not swing, and therefore the lock claw 1
6 does not come off the engagement portion 20. Therefore, when some external force is applied, the drawer 11 does not accidentally fully open, and is locked by the drawer lock mechanism 10 in a slightly pulled state as shown in FIG. Will be. In this manner, according to the lock mechanism 10 according to the embodiment of the present invention, the lock claw 16 is engaged with the engagement portion 20 mounted in the cabinet 30, so that the drawer lock mechanism surely holds the drawer 11. Since it will be locked, even if it is pulled out slightly, lock it so that it does not open more than the minimum opening, especially if you attach a drawer lock mechanism on the top of the front plate of the lowest drawer, carelessly There's no big draw.

In the above-described embodiment, the engagement portion 20 mounted in the cabinet 30 is L
Although the case where the metal fittings are used has been described, the present invention is not limited to this, and it is also possible to use metal fittings of an arbitrary shape, and it is also possible to use the frame of the cabinet 30 or the like as the engaging portion. . In the above-described embodiment, the torsion coil spring 15 is used as a spring for urging the lever 13 to the lock position. However, the present invention is not limited to this, and any kind of spring can be used.

[0025]

As described above, in the kitchen cabinet provided with the lock mechanism according to the present invention, the kitchen cabinet has a simple structure, can be detachably attached, and the lock claw is engaged with the engagement portion attached in the cabinet. By doing so, the lock mechanism will securely lock the drawer, so even if it is pulled out slightly, lock it so that it does not open more than the minimum opening, and push the lever of the lock mechanism when pulling out the drawer The lock can be unlocked and pulled out, which is convenient. In particular, when a drawer lock mechanism is attached to the upper part of the front plate of the lowermost drawer of the cabinet for kitchen furniture, the drawer is not unintentionally largely pulled out, and anxiety factors such as tripping can be eliminated.

[Brief description of the drawings]

FIG. 1 is a perspective view showing the configuration of an embodiment of a drawer lock mechanism for a cabinet for kitchen furniture according to the present invention.

FIG. 2 is an exploded perspective view of the drawer lock mechanism of FIG.

3 is a perspective view of a main part showing a locked state and a stored state of the drawer incorporating the drawer lock mechanism of FIG. 1;

FIG. 4 is a perspective view of a main part showing a locked state of the drawer incorporating the drawer lock mechanism of FIG. 1;

5 is a perspective view of a main part showing a lock release state of the drawer incorporating the drawer lock mechanism of FIG. 1;

FIG. 6 is a perspective view showing an example of a cabinet for kitchen furniture.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Drawer lock mechanism 11 Drawer 11a Front plate 11b Upper part of front plate 11c Handle 12 Mounting member 12a Part located in front of front plate of drawer 12b Part located behind front plate of drawer 12c Bearing 12d Locking part 13 Lever 13a Bearing portion 13b Upper surface in front of lever 14 Rotating shaft 15 Torsion coil spring 16 Lock claw 16a Front end surface 16b Rear side surface 20 Engagement portion 21 Mounting screw 30 Cabinet 31 Side plate

Claims (6)

[Claims] An attachment member attached to a drawer storage space of a cabinet for kitchen furniture, which is attached so as to straddle an upper part of a front plate of the drawer with respect to a box-shaped drawer which is supported so as to be able to be pulled out and has an open upper surface. The mounting member extends rearward from the rotation axis substantially horizontally around the rotation axis in the lateral direction with respect to the rear portion of the front plate, and is swingably mounted downward from the lock position. A drawer lock mechanism comprising a lever urged toward a lock position and a lock claw projecting upward from a rear end of the lever and engaging with an engagement portion mounted in the cabinet. Furniture cabinet equipped with. 2. A box-shaped drawer, which is supported so as to be able to be pulled out and has an open upper surface, with respect to a drawer storage space of a cabinet for kitchen furniture, a handle is formed by recessing a portion near an upper portion of a front plate of the drawer. A mounting member that straddles the upper portion of the plate and is attached by being engaged with the handle portion; and a rearward portion of the front plate of the mounting member. A lever extending substantially horizontally, pivotally mounted downward from the lock position, and biased toward the lock position by a spring; and a lever protruding upward from a rear end of the lever and mounted in the cabinet. And a lock claw that engages with the engaging portion. 3. The mounting member according to claim 1, wherein the mounting member has elasticity, and is held along a cross-sectional shape of an upper portion of a front plate of the drawer, and is gripped in a detachable manner. Kitchen cabinet with drawer lock mechanism. 4. The cabinet for kitchen furniture provided with a drawer lock mechanism according to claim 1, wherein an upper surface near a front end of the lever is non-slip processed. 5. The drawer lock according to claim 1, wherein a lock claw provided at a rear end of the lever is formed substantially vertically on a front side and is formed obliquely on a rear side. A cabinet for kitchen furniture with a mechanism. 6. A cabinet for kitchen furniture provided with a drawer lock mechanism according to claim 2, which is attached to an upper portion of a front plate of a lowermost drawer.