JPH0522602Y2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application This book relates to a device for attaching a latch stopper in a drawer latch mechanism in a filing cabinet or the like.

Conventional Technology Conventionally, in order to prevent the drawer from accidentally popping out due to external vibrations such as earthquakes, a latch mechanism for fixing the drawer to the cabinet when the drawer is in the retracted state was developed by Jikosho, for example.
This is known in Japanese Patent No. 60-23412, etc., and its configuration is such that an operating portion bent at a right angle is provided at one end of a horizontal rotating rod that rotates by tilting an operating member disposed inside a pull member. , and the lower end of a vertical driven rod having an L-shaped contact portion that contacts the actuating portion at the upper end, is capable of horizontal rotation with respect to the holding frame while always being elastically biased in one direction. A retained latch lever is provided, and by tilting the operating member,
The driven rod is rotated to release the latch lever from the latch stopper provided on the inner wall surface of the cabinet.

Problems to be Solved by the Invention However, the latch stopper mounting device in the above-mentioned known drawer latch mechanism is configured to be fixed exclusively to the inner wall surface of the cabinet, which has a narrow working range, with screws, making it troublesome to install the latch stopper. Additionally, there is a risk that the latch stopper may become loose over a long period of time, impairing the latch function.

Therefore, the present application aims to improve the above-mentioned defects of the conventional devices.

Means for Solving the Problems In order to achieve the above-mentioned object, the present application provides a rectangular mounting hole formed in the inner wall surface of a cabinet, and a rectangular board having a vertical width larger than the vertical width of the front and rear mounting holes. At the center of the front part, a notch is formed that penetrates in the thickness direction, and on both sides of the notch, sleeve pieces are hung down, respectively, and at the center of the rear part, a cutout part is formed downward corresponding to the thickness of the mounting hole. a locking portion that extends and projects rearward therefrom, a locking protrusion erected at the center position of the surface of the substrate, and further extending in the rear direction and folded back in a U-shape at the edge of the notch; The latch stopper is composed of a synthetic resin latch stopper whose free end faces the position of the notch, and which is provided with an elastic part with a notch step formed in the free end, and the latch stopper is configured to connect the sleeve to the upper and lower edges of the mounting hole. and the locking portion and the notch step portion are respectively locked to the front and rear edges of the mounting hole, and in the above,
In order to smooth the engagement with the latch lever, the locking protrusion extends in the front-rear direction, and its surface is sloped forward and downward, and the front part of the upper surface of the board is sloped forward and downward. It was forced upon me.

Function When installing the latch stopper, first, the front part of the board is pushed in while the locking part is locked to the rear edge of the mounting hole. Then, the free end of the elastic part protruding forward of the board is temporarily pressed into the notch when passing through the mounting hole, and then protrudes forward again, and the notch step is locked to the front edge of the mounting hole. In this state, the back surface of the board overlaps the surface of the mounting frame in which the mounting holes are formed.

In the above, the locking protrusion extends in the front-rear direction,
In addition, when the surface of the board is sloped downward toward the front, and the front surface of the board is sloped downward toward the front, the drawer cannot be constantly rotated toward the outside when the drawer is stored in the cabinet. The biased tip of the latch lever is guided by the inclined surface, and the locking action on the locking protrusion is smoothly performed.

Embodiment Hereinafter, the embodiment of the present application will be described in detail based on the drawings. A is a latch stopper, and this latch stopper A has a rectangular base plate 1 whose upper front part is inclined forwardly downward; in the central position,
A notch 2 penetrating in the thickness direction is provided, and on both side edges of this notch 2, sleeve pieces 3, 3 protruding toward the back surface that fit between the upper and lower edges of a mounting hole B, which will be described later, are opposed and integrated. It is provided in At the center of the rear of the board 1 is a mounting frame 1 having a mounting hole B, which will be described later.
An L-shaped locking part 4 is provided which extends in the back direction and projects backward from the plate thickness corresponding to the thickness of the sleeve 3. In this example, the sleeve pieces 3 are extended rearward. The case is shown in which it is integrally connected to the locking part 4.

At the center position on the surface of the substrate 1, extending in the front-rear direction,
In addition, a locking protrusion 5 whose surface is sloped downward toward the front is protruded, and the edge of the notch 2 extends in the back direction and is folded back into a U-shape, and its free end The latch stopper A configured in this way has an elastic part 6 protruding forward at the position of the notch part 2, and a notch step part 8 is formed at the free end of the elastic part 6. It is integrally molded from resin.

On the other hand, a mounting frame 13 is installed vertically at the opening of the inner wall of the cabinet 12 that accommodates the drawer 11 equipped with the latch mechanism 10. Attachment holes B are formed which are approximately equal in width and whose vertical width l' is smaller than the vertical width of the substrate 1 and approximately equal to the width between the outer surfaces of the sleeve pieces 3, 3.

Therefore, when attaching the latch stopper A to the mounting hole B, first, with the locking protrusion 5 facing sideways, lock the locking part 4 to the rear edge of the mounting hole B. Push in. Then, due to the elasticity possessed by the elastic part 6, when the free end part 7 passes through the mounting hole B, it is temporarily pressed into the notch part 2, and after passing through, it protrudes forward again on the back surface of the mounting frame 13.
The notched step portion 8 is engaged with the front edge of the notched hole 12, and is fitted between the upper and lower edges of the mounting hole B of both sleeve pieces 3, 3, and the back surface of the left and right sides of the board 1 is connected to the mounting frame 13. The latch stopper A comes into contact with the surface, and the attachment of the latch stopper A to the attachment hole B is thus completed.

In addition, 15 in the figure indicates a latch lever, and this latch lever 15 has a locking hole 16 at its tip and is normally biased outward.
When the drawer 11 is stored in the cabinet 12,
When the locking hole 16 locks with the locking protrusion 5 and enters the latched state, and the handle is operated, the latch lever 1
4 horizontally rotated against the elastic biasing force, the 4th
As shown by the imaginary line in the figure, the locking with the locking portion protrusion 5 is released as in the conventional case.

In the above, when the locking part is provided at the center of the front of the board, and the notch, sleeve piece, and elastic part are provided at the center of the rear of the board, the locking part is located at the front edge of the mounting hole B. Then, the rear part of the board is pushed in to lock the cutout step part to the rear edge of the mounting hole.

Effects of the invention Since the present invention is constructed as described above, the latch stopper can be attached to the inner wall surface of the cabinet extremely easily, and the latch stopper can be elastically maintained in the locked state with respect to the mounting hole. This has the advantage that the latch function can be effectively exerted over a long period of time without fear of the board becoming loose.

In the above, when the locking protrusion extends in the front-to-rear direction and its surface is inclined downward at the front, and when the front part of the upper surface of the base is inclined downward at the front, the tip of the latch lever is guided by the downward inclination at the front when the drawer is stored in the cabinet, which has the advantage that the locking action with the locking protrusion can be performed smoothly.

[Brief explanation of drawings]

The drawings show an embodiment of the present application; Fig. 1 is an overall perspective view, Fig. 2 is a plan view of the same, Fig. 3 is a cross-sectional side view of the installed state, and Fig. 4 is a partially cutaway view showing the state of use. FIG. In the figure, A is the latch stopper, B is the mounting hole, 1
is a base plate, 2 is a notch, 3 is a sleeve piece, 4 is a locking part, 5
6 is a locking protrusion, 6 is an elastic portion, and 8 is a notched stepped portion.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) A rectangular mounting hole opened in the inner wall surface of the cabinet, and a rectangular board having a vertical width larger than the vertical width of the mounting hole, located at the center of the front of the board, A notch is formed that penetrates in the thickness direction, and a sleeve piece is provided on each side edge of the notch, and at the center of the rear part, the notch extends downward corresponding to the thickness of the mounting hole, and then protrudes backward. A locking portion is provided, and a locking protrusion is erected at the center position of the surface of the substrate, and the cutout portion is further extended in the back direction and folded back in a U-shape at the edge of the cutout portion, and the free end thereof is connected to the cutout. and a latch stopper made of synthetic resin, which faces the position of the mounting hole and has an elastic part with a notched step formed in the free end thereof, and the latch stopper fits the sleeve piece between the upper and lower edges of the mounting hole, and A latch stopper mounting device for a drawer latch mechanism, characterized in that the locking portion and the notch step portion are respectively locked to the front and rear edges of the mounting hole. (2) The drawer latch mechanism according to claim 1, characterized in that a locking part is provided at the front center of the board, and a notch, a sleeve piece, and an elastic part are provided at the rear center of the board. Latch stopper attachment device. (3) The latch stopper mounting device for a drawer latch mechanism according to claim 1 or 2, wherein the locking protrusion extends in the front-rear direction, and its surface is sloped downward toward the front. (4) A latch stopper mounting device for a drawer latch mechanism according to claim 1, 2 or 3, wherein the front surface of the base plate is inclined downwardly toward the front.