JP2007113238A - Opening/closing mechanism of suspension sliding door type door - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To facilitate travel of a suspension sliding door type door provided so as to let a packing on a peripheral side on an inner side of the door adhere closely to a peripheral side of an entrance of a warehouse body when closing the door and let a rubbing packing on a bottom side of the door adhere closely to a floor surface. <P>SOLUTION: This opening and closing mechanism of the suspension sliding door type door is constituted in such a way that a parallelogram hinge A deformable from a square shape into a parallelogram shape freely is provided, a lower plate of the parallelogram hinge is fixed to an upper side of the door 3, a roller 7 is pivotally provided on a bracket fixed onto an upper plate and is suspended on a rail 8 installed above the entrance of the warehouse body, the door is provided so as to move freely in the directions of opening and closing due to rolling of the roller, a guide rail being parallel with the rail is formed in such a way that a position opposing to the entrance is low and a position opposing to a door opening position is high, and a guide roller 12 is pivotally provided on the bracket fixed to an upper side of the door so as to roll on the guide rail in close contact. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

The present invention relates to an opening / closing mechanism of a sliding door type door (sliding door) that is widely used for entrances and exits of prefabricated and other various refrigeration / refrigerators, refrigeration / refrigerated warehouses, clean rooms and the like.

Currently, suspension door type doors (sliding doors) are widely used at the entrances and exits of prefabricated and other various refrigeration / refrigerators, refrigeration / refrigerated warehouses, clean rooms and the like.
The suspension door type door has a roller pivoted on the upper side of the door and is mounted on a rail horizontally installed on the cabinet side so that the door can be freely opened and closed. Even a shaped door can be easily opened and closed with a small force.

However, it is not a hinged door type, but a suspended type and a sliding door (sliding) type. When the door is closed, the packing on the inner peripheral side of the door is closely attached to the peripheral side of the inlet / outlet of the cabinet. In addition, the rubbing packing at the bottom of the door is provided so as to be in close contact with the floor surface.Therefore, even when the door is not moved in the opening direction when the door is opened, Because it is difficult to move easily due to friction between the side and floor of the body and each packing, the door is pulled away from the side of the cabinet when opening the door, and at the same time the bottom of the door is slightly lifted from the floor It is necessary to prepare to move, and this point has been a problem.
JP 5-052072 JP-A-7-224570

  Therefore, the problem to be solved by the present invention is that, when the door is opened, especially when the door is large and large, it is very easy for any person to pull the door slightly away from the side of the box with a small force. At the same time, there is no effective means for performing the action of moving the door while slightly raising the bottom of the door from the floor surface.

The present invention effectively solves the above problems by the following mechanism of the present invention.
That is, the present invention is a hanging door type door that is attached to the doorway of various cabinets,
A parallelogram hinge that can be deformed from a square to a parallelogram (diamond) is provided by pivoting the upper and lower parallel plates on the upper and lower two pivots, and the lower plate of the parallelogram hinge is on the upper side of the door. At the same time, a roller is pivotally mounted on a bracket fixed on the upper plate, and the roller is suspended on a rail horizontally installed in the door opening direction from a position above the entrance of the box, and the door is connected to a parallelogram hinge. Suspended on the rail through the roller and equipped with the roller on the rail to move in the opening and closing direction,

A guide rail is installed at a substantially intermediate position between the rail and the upper side of the entrance of the cabinet, and the position of the guide rail facing the entrance is low in the direction perpendicular to the side of the cabinet and is at the door opening position. While the opposing position is formed high in the direction perpendicular to the side of the box,
It is an open / close mechanism for a suspension door type door, in which a guide roller pivoted on a bracket fixed on the upper side of the door is provided so that it closely rolls on the guide rail.

When the door is moved from the closing position of the doorway to the opening position, the guide roller integrated with the door rises and rolls from a low position on the guide rail to a high position, and the lifting force of the guide roller causes a parallelogram with the door. The hinge is pushed in a right angle direction, the front and rear plates of the parallelogram hinge are pivoted in parallel at a set angle with the vertical pivot as a fulcrum, and the door is separated from the side of the box by a set dimension, and the lower plate is integrated with the same force ascending Raise the set door to the open state,

On the other hand, when the door is moved from the open position to the closed position that closes the entrance, the guide roller rolls down from the high position of the guide rail to the low position, releasing the door integrated with the guide roller from the lifting force. The front and rear plates of the parallelogram hinge are restored and oscillated, and the door moves by its own weight in the direction of the side of the box, and the door integrated with the lower plate is restored and set down, so that the inner peripheral side of the door Hanging door type, characterized in that the side packing is closely attached to the peripheral side of the doorway and the rubbing packing of the door bottom is in close contact with the floor surface so that the doorway is sealed and closed. The problem is solved by a door opening and closing mechanism.

When the door is moved from the closing position of the doorway to the opening position, the guide roller integrated with the door rises and rolls from a low position on the guide rail to a high position, and the lifting force of the guide roller causes a parallelogram with the door. Push the hinge in a right-angle direction, swing the parallelogram hinge front and rear plates parallel to the set angle with the vertical pivot as a fulcrum to separate the set dimension from the side of the box, and raise the door integrated with the lower plate to the set dimension Since it was provided to be in the open state,
When opening the door, especially for heavy and large suspension doors, it is very easy for anyone to pull the door slightly away from the side of the cabinet, and at the same time slightly lift the bottom of the door from the floor. There is an excellent effect that the door can be easily opened by pulling up.

On the other hand, when the door is moved from the open position to the closed position that closes the entrance, the guide roller rolls down from the high position of the guide rail to the low position to release the door from the upward force, and the parallel four sides The front and rear plates of the hinge are restored and oscillated, and the door integrated with the guide roller moves in the direction of the side of the cabinet under its own weight, and the door integrated with the lower plate is lowered and restored.
Therefore, the excellent effect that the packing on the inner peripheral side of the door is in close contact with the peripheral side of the doorway and the rubbing packing on the bottom of the door is in close contact with the floor surface and the doorway is sealed and closed. There is.

Furthermore, by installing parallelogram hinges near the left and right ends of the upper side of the door, and by providing each front plate and each upper plate of both parallelogram hinges connected and fixed with a connecting plate,
When the door is opened and closed, the guide roller moves up and down on the guide rail up and down, and when the door is moved away from the side of the box in a perpendicular direction and moved close to each other, both parallel The front and rear plates of the quadrilateral hinge can be swung and restored in parallel at the same time, so the door always opens and closes parallel to the side of the box without twisting the left and right sides of the door. There are excellent features that can be.

Parallelogram hinges are installed in the vicinity of the left and right edges of the upper side of the door, with each lower plate fixed to the upper side of the door, and a roller is pivoted on the bracket fixed on each upper plate, and each roller is stored in a box. Suspended on a rail installed horizontally in the opening direction from the upper position of the doorway of the door, and the door is suspended on the rail via both parallelogram hinges, and the roller on the rail can be moved in the opening and closing direction. ,

A guide rail is installed at a substantially intermediate position between the rail and the upper side of the doorway of the cabinet, parallel to the rail, and the position of the guide rail facing the entrance is low in the direction perpendicular to the side of the cabinet and is at the door opening position. The opposite position is formed so as to be higher in the direction perpendicular to the side of the cabinet, while the guide roller is pivoted so that it rolls closely on the guide rail on the bracket fixed to the middle position of the parallelogram hinges on the upper side of the door. To prepare for

In addition, an open / close mechanism for a suspension door type door comprising a structure in which front plates and upper plates of both parallelogram hinges are connected and fixed by connecting plates.

FIG. 1 is a front view showing a schematic configuration of a cabinet and a door embodying the present invention, FIG. 2 is a view of FIG. 1 viewed from the right side, (A) is an open state, (B) is a closed state, FIG. 1 is an explanatory view of the operation of the door opening and closing when FIG. 1 is viewed from above, FIG. 4 is a front view of the parallelogram hinge, FIG. 5 is a side view of FIG. 4, and FIG. 7 is a partial front view showing a state of being connected and fixed by a plate, FIG. 7 is a view of FIG. 6 viewed from the right side, (a) is an open state, and (b) is a closed state.

In the drawings, A is a parallelogram hinge, 1 is a cabinet, 2 is an entrance, 3 is a door, 4 is a lower plate, 5 is an upper plate, 6 is a bracket, 7 is a roller, 8 is a rail, 9 is a guide rail, 10 is a side of the box, 11 is a bracket, 12 is a guide roller, 13 is a front plate, 14 is a rear plate, 15 is a connecting plate, 16 and 17 are pivots, 18 is packing, 19 is rubbing packing, and 20 is a floor surface. It is.

Next, an embodiment will be described with reference to the drawings. Parallelogram hinges A are installed in the vicinity of the left and right ends of the upper side of the door 3 with their lower plates 4 fixed to the upper side of the door 3. Rollers 7 are pivotally mounted on brackets 6 fixed to each other, and each roller 7 is suspended from a rail 8 installed horizontally in the door opening direction from the position above the entrance 2 of the cabinet 1 and the door 3 is hinged on both parallelograms. Suspended on the rail 8 via A and prepared to be movable in the opening and closing direction by rolling of the roller 7 on the rail 8,

A guide rail 9 is installed in parallel with the rail 8 at a substantially intermediate position between the rail 8 and the upper side of the entrance / exit 2 of the cabinet 1, and the position of the guide rail 9 facing the entrance / exit 2 is from the side surface 10 of the cabinet 1. A guide roller is attached to a bracket 11 fixed at an intermediate position between both parallelogram hinges A on the upper side of the door 3 while the position is low in the right angle direction and the position opposite to the door opening position is high in the right angle direction from the side surface 10 of the box 1. 12 is provided so as to pivot on the guide rail 9 closely,

In addition, it is an open / close mechanism for a suspension door type door that is configured by connecting and fixing the front plates 13 and 13 and the upper plates 5 and 5 of the parallelogram hinges A and A with connecting plates 14 and 15.

In the above mechanism,
When the door 3 is moved from the door closing position of the doorway 2 to the door opening position, the guide roller 12 integrated with the door 3 rolls up from a low position on the guide rail 9 to a high position and rolls up. Then, the front and rear plates 13 and 14 of the parallelogram hinge A are swung in parallel at a set angle with the upper pivots 16 and 16 and the lower pivots 17 and 17 as fulcrums, and the door 3 is pushed in a right angle direction to push the side surface 10 of the box 1. And the door 3 integrated with the lower plate 4 is raised by a set dimension to be in an open state.

On the other hand, when the door 3 is moved from the open position to the closed position that seals the entrance 2, the guide roller 12 rolls down from the high position of the guide rail 9 to the low position, and the door 3 integrated with the guide roller 12. The front and rear plates 13 and 14 of the parallelogram hinge A are restored and oscillated, and the door 3 moves in the direction of the side surface 10 of the box by its own weight, and the door 3 integrated with the lower plate 4 is released. Accordingly, the packing 18 on the inner peripheral side of the door 3 is in close contact with the peripheral side of the doorway 2 of the box 1 and the rubbing packing 19 on the bottom of the door 3 is in close contact with the floor 20. The doorway 2 is in a state of being sealed and closed.

Furthermore, parallelogram hinges A and A are installed in the vicinity of the left and right ends of the upper side of the door 3, and the front plates 13 and 13 and the upper plates 5 and 5 of the parallelogram hinges A and A are connected to each other. By connecting and fixing at 15 and 15,
When the door 3 is opened and closed, the guide roller 12 moves up and down on the guide rail 9 and moves up and down to move the door 3 away from the side surface 10 of the box 1 in a perpendicular direction. The front and rear plates 13, 13, 14, and 14 of both parallelogram hinges A and A can be simultaneously oscillated and restored, so that the left and right sides of the door 3 are not twisted. The door 3 is provided so as to always open and close in parallel with the side surface 10 of the box 1.

For sliding doors (sliding doors) that are widely used for entrances and exits of prefabricated and other various refrigeration / refrigerators, refrigeration / refrigerated warehouses, clean rooms, etc., ranging from large and heavy doors to small and light doors Until now, it can be widely used as an opening / closing mechanism for any suspension door type door.

The front view which shows the structure outline of the store | warehouse | chamber and door which implemented this invention. As seen from the right side of FIG. 1, (a) is a door open state, and (b) is a door closed state. The operation explanatory view of the door opening and closing which looked at Drawing 1 from the plane. The front view of a parallelogram hinge. The side view of FIG. The partial front view which shows the state which connected and fixed the parallelogram hinge of FIG. 1 with the connection board. As seen from the right side of FIG. 6, (A) is a door open state, and (B) is a door closed state.

Explanation of symbols

A parallelogram hinge 1 container 2 doorway 3 door 4 lower plate 5 upper plate 6 bracket 7 roller 8 rail 9 guide rail 10 side surface 11 bracket 12 guide roller 13 front plate 14 rear plate 15 connection plate 16 pivot 17 pivot 18 Packing 19 Rub packing 20 Floor

Claims (2)

In the suspension door type door to be installed at the doorway of various cabinets,
A parallelogram hinge that can be deformed from a square to a parallelogram (diamond) is provided by pivoting the upper and lower parallel plates on the upper and lower two pivots, and the lower plate of the parallelogram hinge is on the upper side of the door. At the same time, a roller is pivotally mounted on a bracket fixed on the upper plate, and the roller is suspended on a rail horizontally installed in the door opening direction from a position above the entrance of the box, and the door is connected to a parallelogram hinge. Suspended on the rail through the roller and equipped with the roller on the rail to move in the opening and closing direction,
A guide rail is installed at a substantially intermediate position between the rail and the upper side of the doorway of the cabinet, parallel to the rail, and the position of the guide rail facing the entrance is low in the direction perpendicular to the side of the cabinet and is at the door opening position. While the opposing position is formed high in the direction perpendicular to the side of the box,
It is an open / close mechanism for a suspended door type door, in which a guide roller pivoted on a bracket fixed on the upper side of the door is provided so that it closely rolls on the guide rail.
When the door is moved from the closing position of the doorway to the opening position, the guide roller integrated with the door rises and rolls from a low position on the guide rail to a high position, and the lifting force of the guide roller causes a parallelogram with the door. The hinge is pushed in a right angle direction, the front and rear plates of the parallelogram hinge are pivoted in parallel at a set angle with the vertical pivot as a fulcrum, and the door is separated from the side of the box by a set dimension, and the lower plate is integrated with the lower plate with the same upward force Raise the set door to the open state,
On the other hand, when the door is moved from the open position to the closed position that closes the entrance, the guide roller rolls down from the high position of the guide rail to the low position, releasing the door integrated with the guide roller from the lifting force. The front and rear plates of the parallelogram hinge are restored and oscillated, and the door moves by its own weight in the direction of the side of the box, and the door integrated with the lower plate is restored and set down, so that the inner peripheral side of the door The packing of the side is closely attached to the peripheral side of the entrance / exit of the box and the rubbing packing of the door bottom is closely attached to the floor surface, and the entrance / exit is provided to be in a sealed closed state,
Opening and closing mechanism of the suspension door type door. Parallelogram hinges are installed in the vicinity of the left and right edges of the upper side of the door, with each lower plate fixed to the upper side of the door, and a roller is pivoted on the bracket fixed on each upper plate, and each roller is stored in a box. Suspended on a rail installed horizontally in the opening direction from the upper position of the doorway of the door, and the door is suspended on the rail via both parallelogram hinges, and the roller on the rail can be moved in the opening and closing direction. The guide roller is pivotally mounted on the guide rail so as to roll tightly on the guide rail on the bracket fixed to the middle position of the parallelogram hinges on the upper side of the door, and each front plate and each of the parallelogram hinges are provided. The upper plate is connected and fixed with a connecting plate,
When the door is opened / closed, the guide rollers move up and down on the guide rail to move up and down, and when the door is moved away from / in the right angle from the side of the box, both parallel By connecting and fixing the quadrilateral hinges with the connecting plate, the front and rear plates of both parallelogram hinges can be swung and restored at the same time, so that the left and right sides of the door are not twisted. It is equipped to always open and close parallel to the side.
The opening / closing mechanism of the suspension door type door according to claim 1.

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