JP2007303109A - Opening/closing mechanism of suspended sliding door-type door - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve the problem associated with a sealing function of "rubbing packing" provided on the bottom side of the door, so that it can come into close contact with a floor surface and put an entrance into a sealed state, in "an opening/closing mechanism of a suspended sliding door-type door". <P>SOLUTION: In this opening/closing mechanism of the suspended sliding door-type door, a bolt 25, which is inserted into a vertical slot 24, with the set length of a front plate 22, of a bracket 21 fitted with the narrow long plate-like rubbing packing 19 in the longitudinal direction of an undersurface of a narrow long bottom plate 23, is fixed to the door 3; the bracket 21 is mounted in such a manner that a guide of the vertical slot 24 makes setting dimensions vertically variable; and the rubbing packing 19 is provided in the state of being positioned on the undersurface of the bottom side of the door 3. Thus, the packing 19 is vertically moved by self-weight etc., in synchronization with the vertical movement of the door 3, associated with the opening/closing movement of the door 3, and constantly brought into close contact with the floor surface 20, so as to put the entrance 2 into the sealed state. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

The present invention relates to an opening / closing mechanism of a sliding door type door (sliding door) used for entrances and exits of prefabricated and other various refrigeration / refrigerators, refrigeration / refrigerated warehouses, clean rooms, etc.
For rubbing packing, prepared at the bottom of the door, synchronized with the up-and-down movement of the door accompanying opening and closing movement of the door, and moved up and down, and the rubbing packing is always in close contact with the floor and the entrance is sealed. The present invention relates to a mechanism for opening and closing a suspension door type door, characterized in that the bracket is provided.

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.

Therefore, the applicant has previously solved the above-mentioned conventional problems with Japanese Patent Application No. 2005-304446 and the name of the invention “opening / closing mechanism of a suspension door type door”.
Japanese Patent Laid-Open No. 5-052072 JP 7-224570 A Application documents for Japanese Patent Application No. 2005-304446

  However, in the “opening / closing mechanism of the hanging door type door” according to the above application, the sealing function is provided for the “rubbing packing” provided at the bottom of the door in order to close the entrance and exit in close contact with the floor surface. There was a problem.

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 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 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 In the opening and closing mechanism of the suspension door type door, characterized in that the packing of the side is in close contact with the peripheral side edge of the entrance and exit of the box, and the entrance is sealed and closed.

A rubbing packing in which one or more narrow rubbing-shaped flexible rubbing packings are attached in a detachable / replaceable manner in the longitudinal direction of the bottom surface of the L-shaped cross-section of a cross-sectional L-shaped material consisting of a front plate and a bottom plate that are substantially the same length as the door bottom Brackets for

A vertical hole with a set length is formed near the left and right ends of the front plate of the bracket, and a bolt inserted through the vertical hole is fixed along the bottom of the door front side. The bracket can be moved up and down with the guide of the vertical hole. And the rubbing packing is located on the lower surface of the bottom of the door.

As the door is moved from the door closing position to the door opening position, the parallelogram hinge swings parallel to the set angle and the door rises in the set dimension, and the bracket is synchronized with the door set dimension rise. Move down the dimension,

Conversely, as the door is moved from the open / closed position of the doorway to the closed position, the parallelogram hinge swings in parallel with the set angle, and when the door is lowered by the set dimension, the bracket is synchronized with the lower set dimension of the door. And equipped to move up the same dimension,

Therefore, the bracket is synchronized with the up-and-down movement of the door accompanying the opening and closing movement of the door, and moved up and down, so that the rubbing packing is always in close contact with the floor surface and the entrance is sealed. The problem is solved by the open / close mechanism of the suspension door type door.

The bracket for rubbing packing of the present invention is synchronized with the vertical movement of the door in accordance with the opening and closing movement of the suspension door type door, and moves up and down, so that the rubbing packing can always adhere to the floor surface. At the same time, there is an excellent effect that the entrance and exit can be in an extremely effectively sealed state.

In the opening / closing mechanism of the suspension door type door, two narrow strip-like flexible rubbing packings are provided in the longitudinal direction of the bottom surface of the bottom plate of the L-shaped similar material consisting of a front plate and a bottom plate that are approximately the same length and width as the bottom of the door. , Provided with a bracket for rubbing packing attached in a detachable and replaceable manner parallel to the front and back,

A vertical hole with a set length is formed near the left and right ends of the front plate of the bracket, and a bolt inserted through the vertical hole is fixed along the bottom of the door front side. The bracket can be moved up and down with the guide of the vertical hole. A hanging door type door opening / closing mechanism that is attached to the door and has the rubbing packing positioned on the bottom surface of the door bottom.

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. , 21 is a bracket, 22 is a front plate thereof, 23 is a bottom plate, 24 is a vertically long hole, 25 is a bolt, and 26 is an L-shaped guide plate.

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 of a suspension door type door 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 the connection plates 14 and 15,

  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. 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 so that the doorway 2 is hermetically 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 that it always opens and closes in parallel with the side surface 10 of the cabinet 1,

In the above opening / closing mechanism of the suspension door type door,
Two narrow strip-like flexible rubbing packings 19 are attached in parallel in the front-rear direction in the longitudinal direction of the bottom surface of the bottom plate of the L-shaped cross section composed of the front plate 22 and the bottom plate 23, which are substantially the same length and narrow width as the bottom of the door 3. A bracket 21 is provided for the rubbing packing 19 attached in a replaceable manner,

A vertical hole 24 having a set length is formed near the left and right ends of the front plate 22 of the bracket 21, and a bolt 25 inserted through the vertical hole 24 is fixed along the bottom side of the front side of the door 3. The set size is mounted so as to be freely movable up and down with the guide of, and the rubbing packing 19 is provided on the bottom surface of the bottom side of the door 3.

As the door 3 is moved from the closed position of the doorway 2 to the open position, the parallelogram hinge A swings in parallel at a set angle, and when the door 3 is raised by a set dimension, the bracket 21 is set to the set dimension of the door 3. Synchronized with the rising and moving down the same dimension by its own weight (or spring elasticity, etc.)

On the other hand, when the door 3 is moved from the open position of the doorway 2 to the closed position, the parallelogram hinge A swings in parallel with the set angle and the door 3 is lowered by the set dimension, the bracket 21 is moved to the door 3. Synchronized with the set dimension descent, and prepared to move up the same dimension by its own weight (or spring elasticity, etc.)

Accordingly, the bracket 21 synchronizes with the opening and closing movement of the door 3 and moves up and down by its own weight (or spring elasticity, etc.), and the rubbing packing 19 is always in close contact with the floor surface 20 to seal the entrance 2. It is the opening / closing mechanism of a suspension door type door provided so that it may be in a state.
Reference numeral 26 denotes an L-shaped guide plate that guides the vertical movement of the bracket 21 and the rubbing packing 19.

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 a bracket for rubbing packing of 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 21 Bracket 22 Front plate 23 Bottom plate 24 Long hole 25 Bolt 26 L-shaped guide plate

Claims (2)

It is a hanging door type door that is 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 In the opening and closing mechanism of the suspension door type door, characterized in that the packing of the side is in close contact with the peripheral side edge of the entrance and exit of the box, and the entrance is sealed and closed.
A rubbing packing in which one or more narrow rubbing-shaped flexible rubbing packings are attached in a detachable / replaceable manner in the longitudinal direction of the bottom surface of the L-shaped cross-section of a cross-sectional L-shaped similar material consisting of a front plate and a bottom plate that are approximately the same length as the door bottom. Brackets for
A vertical hole with a set length is formed near the left and right ends of the front plate of the bracket, and a bolt inserted through the vertical hole is fixed along the bottom of the door front side. The bracket can be moved up and down with the guide of the vertical hole. And the rubbing packing is located on the lower surface of the bottom of the door.
As the door is moved from the door closing position to the door opening position, the parallelogram hinge swings parallel to the set angle and the door rises in the set dimension, and the bracket is synchronized with the door set dimension rise. Move down the dimension,
Conversely, as the door is moved from the open / closed position of the doorway to the closed position, the parallelogram hinge swings in parallel with the set angle, and when the door is lowered by the set dimension, the bracket is synchronized with the lower set dimension of the door. And equipped to move up the same dimension,
Therefore, the bracket is synchronized with the up-and-down movement of the door accompanying the opening and closing movement of the door, and moved up and down, so that the rubbing packing is always in close contact with the floor surface and the entrance is sealed. Characterized by the
Opening and closing mechanism of the suspension door type door. Bracket for rubbing packing, two narrow strips of flexible rubbing packing in the longitudinal direction of the bottom surface of the bottom plate of L-shaped cross-section consisting of a front plate and bottom plate that are approximately the same length and narrow width as the door bottom. It is installed in parallel and detachable and replaceable.
The opening / closing mechanism of the suspension door type door according to claim 1.