JPH08193448A - Double sliding door of cabinet - Google Patents

Abstract

PURPOSE: To prevent the other from opening when one door is closed by arranging a lock member having an engaging claw elastically repulsively energized so as to engage with a notch part on the tail end of a rail, on the lower tail end of a double sliding door of a cabinet. CONSTITUTION: A lock plate 6 having the first apex pivotally fixed to a pin shaft 7, the second apex forming an engaging claw 9 and the third apex having an installing hole of a lug 12, is incorporated into an end part of a lower side horizontal sash bar 2 of a glass door 1, and the engaging claw 9 is always energized in the direction for rushing in a notch part 8 on the tail end of a rail 4 by a return coil spring 10. On the other hand, a gripping projection and an arc-shaped long hole are arranged on a wrapping holding part front surface of a lock plate 6 of the horizontal sash bar 2, and a boss 14 of the lug 12 having the same shape with a gripping projection is installed on the third apex of the lock plate 6 through the long hole. When the glass door 1 is fully closed, the engaging claw 9 is fitted in the notch part 8 of the rail 4, and holds a closed condition. When the gripping projection and the lug 12 are gripped together, the lock plate 6 rotates against elastic repulsive force of the return coil spring 10, and the engaging claw 9 slips out of the notch part 8, and the glass door 1 can be opened.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sliding door for a cabinet and, more particularly, to a sliding door suitable for a triple type improved to improve usability.

[0002]

2. Description of the Related Art In a triple sliding door, if the central door is free regardless of the doors on both sides, its position is not regulated, and it is difficult to determine a fixed position when the door is closed. Also, even if this is opened and closed independently, the puller interferes with the door that overlaps on the front side, so the usability is not so good.

Therefore, as shown in FIGS. 4 and 5, locking means 24 for locking the doors 22 and 23 on both sides are provided at both end edges of the center door, and when the doors 22 and 23 on both sides are opened and closed, fishing is performed on this. It is conceivable that the central door 21 is also opened and closed. According to this, when the doors 22 and 23 on both sides are closed, the position of the central door 21 is automatically determined, so that the closed state does not become incomplete.

[0004]

However, according to this configuration, for example, when the front door 23 is vigorously closed, even if the door hits the vertical frame 25 of the cabinet and stops,
Since the central door 21 does not immediately stop due to inertia, the door 22 on the back side is dragged, which causes the inconvenience that the door 22 opens. Also, in the case of a double sliding door,
The impact when one door hits the vertical frame is transmitted through the horizontal frame, which causes the door on the other side to open.

The present invention has been devised in order to eliminate such disadvantages of the prior art, and its main purpose is to:
It is an object of the present invention to provide an improved sliding door for a cabinet that does not cause the inconvenience of opening the other side when the other side is closed.

[0006]

According to the present invention, the object of the present invention is to provide a structure of a sliding door which is slidable on a rail provided on a door frame of a cabinet, and a cutout portion provided on the rail. Has one end provided with a claw that can be engaged with, and the other end pivotally attached to the crosspiece so as to be rotatable, and is elastically urged by a spring means in a direction to engage the claw with the cutout portion. This is accomplished by having a biased locking member.

[0007]

According to this structure, the claw of the lock member is normally engaged with the cutout portion of the rail to maintain the closed state, so that the door is prevented from being opened due to the movement of other doors. .
When opening the door, the lock member may be rotated so as to remove the pawl from the cutout portion against the biasing force of the spring means.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The structure of the present invention will be described in detail below with reference to specific embodiments shown in the accompanying drawings.

1 to 3 show a main part of a glass door to which the present invention is applied. The horizontal rail 2 below this glass door 1
A roller 5 that can roll on a rail 4 fixed to a horizontal frame 3 on the lower side of the cabinet is rotatably incorporated in the. A lock plate 6 for holding the glass door 1 in the closed position is incorporated in the end portion of the lower horizontal rail 2.

The lock plate 6, as shown in FIG.
An engaging claw that is made of a plate material that may be substantially triangular and that can project into a first apex pivotally attached to a pin shaft 7 provided on the cross rail 2 and a notch 8 provided at an end of the rail 4. It has a second apex on which 9 is formed and a third apex to which a knob described later is attached. Further, the lock plate 6 is provided with a torsion coil spring 10 mounted in the vicinity of a pivotally connected portion with the pin shaft 7.
As a result, the engaging claw 9 is constantly elastically urged in the direction in which the engaging claw 9 is projected into the notch 8.

As shown in FIG. 2, the horizontal rail 2 encloses the lock plate 6 so as to sandwich both front and back sides,
As shown in FIG. 1, a grip projection 11 is provided on the front surface thereof. Then, at a position adjacent to the grip projection 11,
A knob 12 having substantially the same shape as the grip projection 11 is provided so as to be connected to the lock plate 6.

On the other hand, at a position adjacent to the grip projection 11 in the lock plate enclosing portion of the horizontal rail 2, an arc-shaped elongated hole 13 is formed.
Has been established. Then, by fitting the tip of the boss 14 protruding from the knob 12 into the hole 15 of the lock plate 6 through the long hole 13, the lock plate 6 can be rotated from the front of the horizontal rail 2. ing.

Now, at the position where the glass door 1 is closed,
As shown by the solid line in FIG. 3, the engaging claw 9 of the lock plate 6
Since the protrusion rushes into the notch 8 provided at the end of the rail 4, the movement of the glass door 1 is prohibited. When the knob 12 is grasped together with the grasping portion 11, the lock plate 6 rotates about the pin shaft 7 against the elastic force of the torsion coil spring 10.
As shown by an imaginary line in FIG. 3, the engaging claw 9 is disengaged from the notch 8. Thereby, the glass door 1 can be opened. The glass door 1 can be opened and closed without resistance in the range where the engaging claw 9 rides on the rail 4. On the contrary, when the glass door 1 is fully closed, the engaging claws 9 enter the notches 8 and the closed state of the glass door 1 is maintained.

Since the engaging claw 9 in the locked state is sandwiched between the end wall 2a of the lock plate enclosing portion of the horizontal rail 2 and the end of the rail 4, the shearing stress and the compression suppressing force are exclusively applied. Will hold the locked state. Therefore, since the lock holding force does not have to depend on the elastic force of the coil spring 10, the substantial lock holding force can be set high.

[0015]

As described above, according to the present invention, since the door cannot be opened unless the knob is grasped, it is possible to prevent the inconvenience that the other door moves due to the opening / closing operation of one door. Moreover, the operation of opening the door and the operation of unlocking the door are in the same direction, and since the handle is functioning as a puller, usability is not impaired.

[Brief description of drawings]

FIG. 1 is a front view of a main part of a glass door to which the present invention has been applied.

FIG. 2 is a sectional view taken along the line II-II in FIG.

FIG. 3 is a sectional view taken along the line III-III in FIG.

FIG. 4 is a horizontal cross-sectional view of the opening of the cabinet with the glass door closed.

FIG. 5 is a horizontal cross-sectional view of the opening of the cabinet with the glass door open.

[Explanation of symbols]

 1 Glass Door 2 Horizontal Rail 3 Horizontal Frame 4 Rail 5 Roller 6 Lock Plate 7 Pin Shaft 8 Notch 9 Engaging Claw 10 Torsion Coil Spring 11 Grip Protrusion 12 Knob 13 Long Hole 14 Boss 15 Hole 21 Center Door 22 Front Side Door 23 Door on the back side 24 Locking means 25 Vertical frame

Claims (1)

[Claims] 1. A sliding door that is slidable on a rail provided on a door frame of a cabinet, and has one end provided with a claw engageable with a notch provided on the rail, A cabinet characterized in that it has a second end pivotally connected to a crosspiece as much as possible, and a lock member elastically biased by spring means in a direction to engage the claw with the cutout portion. Sliding door.