JP2001137059A - Safety fixing device for drawer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a safety fixing device for drawers which does not require catch members and which is hard to break and can cope with any commodities by changing the strength of a spring even if the weight of a vertically moving locking plate varies dependent on commodities, and further, which can cope with any commodities by changing the entire size of a dog-legged hole or groove in the vertically moving distance (size). SOLUTION: This safety fixing device for drawers is provided to keep a fixing position when an actuation tool 3 is moved in a hole or a groove 4 through an actuation shaft 6 provided in an actuation plate 5, by providing the locking plate to be vertically movable by the actuation tool 3 through a locking bar at the inside of a steel furniture body and by forming a dog-legged or an inverted dog-legged hole or groove 4 in the actuation tool 3 and providing the actuation shaft 6 formed in the actuation plate 5 fixed to the locking plate so as to engage with the hole or the groove 4, in the steel furniture such as a cabinet or the like retractably housing a plurality of stages of drawers.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a safety lock device for a drawer in steel furniture such as a cabinet, and more particularly, to a safety device for locking one of the drawers in a storage position when one drawer is pulled out. The present invention relates to a locking device.

[0002]

2. Description of the Related Art As a prior art, as shown in FIG. 6, an operating plate 11 is vertically installed vertically inside a cabinet body for accommodating a plurality of drawers so as to be able to be taken in and out. And an engaging pin for engaging with the inclined groove cam 12 is protruded from each drawer corresponding to each of the inclined groove cams 12, so that when the single drawer is pulled out, the operating plate 11 is moved to a locking position for locking another drawer in the storage position, and further, a catcher 13 for a drawer in a cabinet provided with a catch member 13 for holding the operating plate 11 in the locking position in the cabinet body. In the stopping device, the catch member 13 is provided so as to be vertically movable between a catch position where the operation plate 11 can be held at a locking position and a separated position above the catch member 13. Position safety locking device for drawer in a cabinet in which a switching operation unit operable from the outside for switching (see Utility Model Registration No. 2576437 publication) are known.

[0003]

However, the prior art disclosed in the above-mentioned Japanese Utility Model Registration No. 2576437 includes:
If the cabinet is turned upside down while all the drawers are housed in the cabinet body when transporting the cabinet, the operating plate can move from the unlocked position to the locked position by its own weight, but the catch member A vertically movable position is provided between a catch position where the operating plate can be held at the locking position and a separated position above the catch position, and a switching operation unit that switches the position of the catch member on the cabinet body can be operated from the outside. Since it is provided, it is possible to easily control the engagement and disengagement between the operation plate and the catch member by switching the position of the catch member by operating the switching operation unit, but the member of the safety mechanism of the drawer is provided. A catch member is used to raise and lower the keyboard and hold it. This is because a catch member is necessary to lock the lock, and it is necessary to prepare several types of catch members in order to correspond to the weight of the key plate that varies depending on the product cabinet. There is a problem that it is necessary to prepare several kinds of catch members corresponding to the distance to be made.

[0004] In view of these circumstances, the present invention has a simple structure, does not require a catch member, and can respond to any product by changing the strength of the spring even if the weight of the key plate to be moved up and down varies depending on the product. it can. It is another object of the present invention to provide a drawer safety locking device which can be used for any product by changing the distance (dimension) to be moved up and down and the overall size of the U-shaped hole or groove.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a steel furniture such as a cabinet for accommodating a plurality of drawers in a removable manner by operating a key rod inside a steel furniture main body. By vertically moving the operating tool, the key plate is vertically installed so as to be able to move up and down, and the operating tool is formed with a U-shaped or inverted-shaped hole or groove, and is engaged with the hole or groove. Technical means that an operating shaft provided on an operating plate fixed to a key plate is provided, and when the key plate is moved by moving in the hole or the groove via the operating shaft provided on the operating plate, a locked position can be held. It was adopted.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention relates to a drawer safety locking device having a mechanism for safety locking, that is, a mechanism for moving an operating member up and down, left and right, and temporarily locking and holding it up and down or left and right.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the accompanying drawings. An embodiment of the drawer safety locking device according to the present invention will be described in detail with reference to FIGS. FIG. 1 is an exploded perspective view showing a main part of a drawer safety locking device according to the present invention, and shows a top drawer safety locking device. FIG. 2 is a cross-sectional view showing a state in which the components shown in FIG. 1 are assembled and the key plate is fixed at the upper portion, FIG. 3 is a view taken along the line AA shown in FIG. 2, and FIG. It is a front view showing a place.

For example, although not shown, in a cabinet body 1 in which drawers of two upper and lower stages are housed so as to be able to be taken in and out, a key plate 2 which moves up and down by an up and down movement of an operating tool 3 is vertically inside the cabinet body 1. The actuating tool 3 is provided with a U-shaped (shown) or inverted V-shaped hole or groove 4.

The key plate 2 is fixed to the key plate 2 by a fixed shaft 7 at the center so as to face and engage with the hole or groove 4 of the operating tool 3. 5 is provided. An operating shaft 6 is provided above the operating plate 5 to be engaged with the hole or groove 4 of the operating tool 3, and one end of a spring 8 is attached below the operating shaft 5, and the other end of the spring 8 is attached to the key plate 2. Be fixed.

With the above structure, as shown in FIGS. 2 and 3, when the key plate 2 is moved upward so as to be located above the V-shaped hole or groove 4, the key plate 2 Fixed shaft 7
When the operating plate 5 fixed at the position is moved upward, the operating shaft 6 provided above the operating plate 5 moves upward by guiding the dog-shaped hole or groove 4 of the operating tool 3. Then
The spring 8 fixed below the operation plate 5 is pulled, balanced, and maintained in a stopped state at that position. Therefore, the same function can be achieved without preparing a catch member.

When the key plate 2 is moved downward, the key plate 2 is lowered against the tensile force of the spring 8 so that the key plate 2 is moved downward.
By moving the operation plate 5 fixed to the bottom of the operation tool 6, the operation shaft 6 is guided by the dog-shaped hole or groove 4 of the operation tool 3 and moves downward to maintain the state of FIG. Things.

Next, an example of attachment at the intermediate portion will be described with reference to FIG. The mounting example at the intermediate portion is different from that described with reference to FIG. 1 which is an example of mounting at the upper portion as in the above-described embodiment, because the shape of the operating tool does not require the insertion hole of the key stick 9. As shown in the figure, an actuating tool 10 having a substantially U-shaped cross section is provided with a U-shaped hole or groove 4 in another configuration, and an actuating plate 5, an actuating shaft 6, a fixed shaft 7, and a spring 8 It is assembled so as to function in the same manner as the above embodiment.

[0013]

According to the present invention, as a result of employing the above configuration,
The following effects can be obtained. (1) No catch member is required and it is hard to break. (2) Even if the weight of the key plate to be moved up and down varies depending on the product, it can be applied to any product by changing the strength of the spring. (3) Any product can be accommodated by changing the distance (dimension) to be moved up and down and the overall size of the V-shaped hole or groove.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a main part of a drawer safety locking device according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view of a main part showing a state where the components shown in FIG. 1 are assembled and fixed at the upper part.

FIG. 3 is a view as viewed in the direction of arrows AA in FIG. 2;

FIG. 4 is a main part front view showing a state where the components shown in FIG. 1 are assembled and fixed at a lower part.

FIG. 5 is a perspective view of an essential part showing an embodiment in which the safety locking device of the drawer according to the embodiment of the present invention is attached to an intermediate portion.

FIG. 6 is an exploded perspective view of components in a conventional example.

[Explanation of symbols]

1 cabinet body 2 key board 3 operation tool 4 hole or groove 5 operation plate 6 operation axis 7 fixed axis 8 spring 9 key lock 10 key Actuated tool 11-shaped actuation plate 12-inclined groove cam 13-catch member

Claims (1)

[Claims] 1. In a steel furniture such as a cabinet for accommodating a plurality of drawers in a removable manner, a key plate is vertically movable inside a steel furniture main body by vertically moving an operating tool by operating a key rod. And an actuating tool is formed with a U-shaped or upside-down hole or groove, and an actuation shaft provided on the actuation plate fixed to the key plate is provided so as to engage with the hole or groove. A safety lock device for a drawer, characterized in that the lock position can be maintained when the key plate is moved by moving in the hole or groove via an operating shaft provided on the plate.