JP2000320219A - Stay device with stopper mechanism - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a stay device with a stopper mechanism, which can be installed and used even in a small space and cost of which on manufacture and assembly is reduced easily. SOLUTION: The stay device with the stopper mechanism is composed of a mounting plate 4 fixed onto a door 2, a movable bar 8, in which the central axis of a coil section 8a is arranged so as to run parallel with a hinge shaft 10, the front end section of one linear section 8b is fixed onto the mounting plate 4 and a slipping-off preventive ring curved section 8d is formed at the front and section of the other linear section 8c and which comprises a torsion coil spring, and a stopper plate 6 fixed onto the side face of a fixed frame body 1. A receiving hole 6b into which the linear section 8c is inserted is formed to the upright plate section 6a of the stopper plate 6, a stopping recessed section 6c into which the slipping-off preventive ring curved section 8d is inserted is formed on the lower side of the receiving hole 6b, and a guide surface section 6d is formed on the lower side of the stopping recessed section 6c.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stay with a stopper mechanism which is used for opening and rotating a door or a cover plate with respect to a fixed frame such as a box body and then stopping and holding the door or cover at a required open position. It concerns the device.

[0002]

2. Description of the Related Art A stay device with a stop lever disclosed in Japanese Utility Model Registration No. 3040884 has a fixed band plate fixed to a fixed frame, and one end of a movable band plate is pivotally attached to a door and fixed. The sliding plate is mounted on the front side of the fixed band plate by the first shaft bar and the second shaft bar inserted into the guide groove of the band plate, and the stop lever is pivotally connected to the first shaft bar, and the second shaft is The movable band plate is connected to the slide plate by a rod, and a stop washer is fitted to the first shaft bar between the stop lever and the slide plate. The shaft bar connected to the stop lever and the movable band plate are connected to each other. Since the connecting shaft rods are completely separated, even if the movable band plate is rattled, the play does not directly affect the tightening of the sliding plate by the stop lever and the stop washer, and the movable band plate is movable. The strip can be firmly stopped and held at a required position.

[0003] However, this conventional device is relatively uncomfortable because of its relatively complicated shape and structure, and its bulky stop lever mechanism makes it unsuitable for use in small spaces and has a large number of components. In addition, the cost of manufacturing and assembling increases.

[0004]

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a stopper mechanism having a small bulk so that it can be mounted and used even in a small space, and to reduce the cost of manufacturing and assembling since the number of components is small. Is to provide a stay device with a stopper mechanism which is easy to perform.

[0005]

A stay device with a stopper mechanism according to the present invention will be described below with reference to a reference symbol in the accompanying drawings. The plate 4; the center axis of the coil portion 8a is arranged so as to be parallel to the hinge axis 10, and the tip of one straight portion 8b extending upward is fixed to the tip of the mounting plate 4 and the other extending downward. A movable rod 8 composed of a torsion coil spring having a retaining ring 8d formed at the end of the linear portion 8c; a rising plate 6a fixed to the side surface of the fixed frame 1 and perpendicular to the side surface of the fixed frame 1; And a receiving hole 6 into which the linear portion 8c of the movable rod 8 is inserted into a rising plate portion 6a of the stopper plate 6.
b, and a stop recess 6c into which the retaining ring 8d of the linear portion 8c fits is provided below the receiving hole 6b.
A guide surface portion 6d with which the linear portion 8c is in sliding contact is provided below.

In the case where the door 2 is mounted on the fixed frame 1 by the hinge 3 in which the hinge shaft 10 is disposed horizontally, when the door 2 is in the closed state as shown in FIGS. The linear portion 8c is engaged with the receiving hole 6b of the stopper plate 6 substantially at the vicinity of the intermediate portion, and is slightly inclined from the vertical line toward the door 2. The retaining ring 8d of the movable rod 8 protrudes largely below the stopper plate 6. When the door 2 is opened and rotated about the hinge shaft 10 from this state, the linear portion 8c of the movable rod 8 pulled by the mounting plate 4 is pushed by the hole wall of the receiving hole 6b, so that the coil 8
It rotates while twisting around a. When the opening of the door 2 is further continued, the contact point between the hole wall of the receiving hole 6b and the straight portion 8c moves downward, and the retaining ring bending portion 8d at the end of the straight portion 8c is connected to the stopper plate 6d. Guide surface part 6
d and presented toward the recess 6c. When the door 2 is opened and rotated to a predetermined angle as shown in FIGS.
The retaining ring 8d fits into the stop recess 6c of the stopper plate 6.

At this stage, the linear portion 8c of the movable rod 8 is located closest to the linear portion 8b, and the coil portion 8a
The amount of torsional deformation centered at the center is maximized, and the engagement between the stop concave portion 6c of the stopper plate 6 and the retaining ring 8d of the movable rod 8 is firmly maintained by this elastic force. Therefore, the door 2 automatically stops at the open position, and is stably held at the stop position by the elastic force of the movable rod 8 selected to withstand the weight load of the door 2. The retaining ring 8d is abutted against the lower wall of the stop recess 6c. To close the door 2, the retaining ring 8 of the movable rod 8 is
d may be pushed out from the stop recess 6c of the stopper plate 6. As a result, the door 2 rotates in the closing direction by its own weight, and the linear portion 8 c of the movable rod 8 is moved to the receiving hole 6 of the stopper plate 6.
It will move down inside b.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In the illustrated embodiment, the fixed-side blade 3a and the rotating-side blade 3b of the hinge 3 are fastened and fixed to the fixed frame 1 and the door 2 by two screws 9. Mounting plate 4
Is fixed to the door 2 by two screws 11. The stopper plate 6 is fixed to the fixed frame 1 by two screws 7.
It is fastened and fixed. A spring receiving hole 5 is formed in a vertical direction at a tip end of the mounting plate 4 protruding from an edge of the door 2 so as to intersect at right angles with a virtual extension line of the hinge shaft 10. The straight portion 8b of the movable rod 8 is inserted into the spring receiving hole 5, and is fixed by caulking or welding.
The rising plate portion 6a of the stopper plate stands upright at a right angle to the side surface of the fixed frame 1, the stop recess 6c is formed in a substantially U-shape that opens to the side, and the receiving hole 6b is formed in the stop recess 6c.
Is formed on the upper wall portion. The movable rod 8 inserted into the receiving hole 6b is prevented from dropping and separating from the stopper plate 7.

[0009]

The stay device with the stopper mechanism of the present invention configured as described above can stop and hold the door accurately at a predetermined open position, and has no bulkiness in the stopper mechanism portion and has an overall shape. Since the structure is simplified, it can be mounted and used even in a small space, and since the number of components is reduced, the cost of manufacturing and assembling can be easily reduced.

[Brief description of the drawings]

FIG. 1 is a perspective view of a stay device with a stopper mechanism according to an embodiment of the present invention when a door is closed.

FIG. 2 is a perspective view of the stay device with a stopper mechanism in a door open state.

FIG. 3 is a plan view of the stay device with the stopper mechanism in a door closed state.

FIG. 4 is a left side view of the stay device with the stopper mechanism in a door closed state.

FIG. 5 is a left side view of the stay device with the stopper mechanism in a door open state.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Fixed frame 2 Door 3 Hinge 4 Mounting plate 5 Spring receiving hole 6 Stopper plate 6a Rising plate part 6b Receiving hole 6c Stop concave part 6d Guide surface part 7 Screw 8 Movable rod 9 Screw 11 Screw

Claims (1)

[Claims] 1. A mounting plate 4 fixed to a door 2 mounted on a fixed frame 1 by a hinge 3; one of which is disposed so that a central axis of a coil portion 8a is parallel to a hinge axis 10 and extends upward. A movable rod 8 composed of a torsion coil spring having a distal end portion of the linear portion 8b fixed to a distal end portion of the mounting plate 4 and a retaining ring 8d formed at a distal end portion of the other linear portion 8c extending downward; A stopper plate 6 fixed to the side surface of the fixed frame 1 and projecting a rising plate portion 6a perpendicular to the side surface of the fixed frame body 1. The rising plate portion 6 of the stopper plate 6
a receiving hole 6b into which the linear portion 8c of the movable rod 8 is inserted
And a stop recess 6c into which the retaining ring 8d of the linear portion 8c fits is provided below the receiving hole 6b.
a guide surface portion 6d on which the linear portion 8c is slidably contacted below
Stay device with stopper mechanism provided with