JP3276323B2 - Opening device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an opening device, and more particularly to an opening device for improving workability when a door is attached to a frame via a hinge.

[0002]

2. Description of the Related Art In general, an opening device such as a door attached to an opening of a building mainly comprises a frame and a door which is openably and closably attached to the frame via a hinge. However, since the door is not only large and heavy, but also the hinge is easy to rotate, there is a problem that it takes time to attach the door to the frame via the hinge. Then, in order to solve such a problem, for example, Japanese Patent Laid-Open No. 7-8294
No. 6, JP-A-7-82947 and the like have been proposed.

The hinge of this door has a frame side member fixed to the frame side and a door body side member fixed to the door body side, and a shaft is provided on one of the frame side member and the door body side member. ,
On the other hand, a bearing for rotatably supporting the shaft is provided.
The hinges are arranged on the vertical frame on the hanging side of the frame at the upper part and the lower part. The above bearings of the hinge arranged on the upper part include:
An insertion port for inserting the shaft from the horizontal direction is provided,
A lid for opening and closing the insertion port is provided so as to be vertically movable.

When the door is mounted (suspended) on the frame, a shaft is first inserted into a bearing of a lower hinge, and then the load is applied to the hinge as a fulcrum. , Approach the shaft from the horizontal direction (lateral direction) to the upper hinge bearing,
The lid is moved upward and the shaft is inserted into the bearing from the opened insertion opening. When the shaft is inserted from the insertion port into the bearing,
In conjunction with this, a mechanism for automatically moving the lid downward and closing the insertion port is incorporated. Therefore, according to the door, the door body can be easily and reliably attached to the frame body, and the workability can be improved.

[0005]

However, in the above door, when the shaft is inserted into the bearing from the insertion opening,
In conjunction with this, since a mechanism for automatically moving the lid downward and closing the insertion port is incorporated, there is a problem that the structure is complicated and the cost is increased. Therefore, the present invention has been made to solve such a problem, and a door capable of easily and reliably attaching a door body to a frame body with a simple structure, improving the workability and reducing the cost. The purpose is to provide.

[0006]

[0007]

[MEANS FOR SOLVING THE PROBLEMS] To achieve the above object
The present invention further comprises a frame body, and a door body which is openably and closably attached to the frame body via a hinge, wherein the hinge is fixed to the frame body side member and a door fixed to the door body side. A body-side member, a shaft is provided on one of the frame-side member and the door-body-side member, and a bearing for rotatably supporting the shaft is provided on the other, and a shaft is inserted into the bearing from a lateral direction. A mouth is provided, and a lid for opening and closing the insertion port is provided so as to be able to rotate laterally, and the lid is automatically moved to one of the frame body side member and the door body side member in conjunction with the closing operation of the door body. A closing operation member for closing is provided.

[0008]

Embodiments of the present invention will be described below in detail with reference to the accompanying drawings.

In FIGS. 1, 2 to 6, reference numeral 1 denotes a door which is one of opening devices attached to an opening of a building. The door 1 includes a rectangular frame 2 provided at an opening of a building, and a door (door body, door body) which is openably and closably attached to the frame 2 via a hinge 3. 4).

The frame 2 is assembled from upper and lower and left and right frame members, that is, an upper frame 2a, a lower frame 2b, and vertical frames 2c and 2d on both left and right sides. In some cases, the frame 2 may not have the lower frame 2b. A door stop member 5 is provided on the inner periphery of the frame body 2 except for the lower frame 2b. The hanging side (base side) which is one side of the door body 4
Is attached to the corresponding vertical frame 2 d on the hanging side via the hinge 3.

Two sets of the hinges 3 are arranged at an upper and lower portion of the vertical frame 2d on the hanging side with an appropriate interval in order to stably and rotatably support the door body. For the sake of explanation, the upper hinge is 3A and the lower hinge is 3B. The upper and lower hinges 3A, 3B are respectively frame-side members 6b, 7b fixed to the frame 2 side and door-side members 6a, 6a fixed to the door body 4 side.
7a. The frame-side members 6b and 7b and the door-body-side members 6a and 7a form a pair at the top and bottom. The frame side members 6b and 7b and the door body side members 6a and 7a are formed of a metal plate. The base sides of the door body-side members 6a and 7a are attached and fixed to the hanging end side end surface of the door body 4 with a fixing tool such as a screw.

Since the base portions of the frame side members 6b and 7b have the same structure in both the upper and lower hinges, only the base side of the upper hinge 3A will be described.
The description of the base side of B is omitted. The hinge 3A is provided on the base side of the frame-side member 6b, as shown in FIGS.
Has a base member 8 attached and fixed to the inner surface of the hanging side vertical frame 2d with a fixing tool such as a screw. This base member 8
Is formed in a U-shaped cross section. Inside the adjustment plate 9, an adjusting plate 9 is formed through guide grooves 10 formed vertically in the base member 8 in the front-rear direction of the frame 2 (y direction, see FIG. 6). )
Is provided so as to be movable.

The base member 8 is provided with a front-rear adjustment cam 11 comprising an eccentric cam as a front-rear adjustment means for moving and adjusting the door body 4 in the front-rear direction (y-direction) of the frame body 2. The adjustment plate 9 includes a front-rear adjustment cam 1.
1 is formed with a vertically long hole 12. An engagement groove 13 is provided in the axial center of the front-rear adjustment cam 11 for rotationally adjusting the cam with a rotating tool (driver).

At one end of the adjusting plate 9, a bent up portion 9a is formed as a fulcrum for supporting a substantially middle portion on the back surface of the frame side member 6b. The member 6b is supported swingably (lever movement). In order to prevent displacement of the frame-side member 6b, a projection 14 is formed on the rising portion 9a, and an engagement hole 15 that engages with the projection 14 is formed on the frame-side member 6b. Is preferred. Further, it is preferable that the frame body-side member 6b is bent at a substantially middle portion so that the base side and the front end side are stepped in parallel.

On the adjusting plate 9, the door 4 is attached to the frame 2.
A left and right adjusting screw 16 composed of a screw shaft is used as right and left adjusting means for moving and adjusting in the left and right direction (x direction, see FIG. 6).
Is rotatably provided, and a left-right adjustment screw 16 is screwed into a screw hole 17 provided on the base side of the frame-side member 6b. In order to absorb a positional shift generated between the left and right adjusting screw 16 and the adjusting plate 9 during the adjustment, the adjusting plate 9
It is preferable that a laterally long notch 18 is formed at the other end of the screw member, and an annular groove 19 that is rotatably and horizontally movably engaged with the notch 18 at the tip of the left and right adjusting screw 16.

The front-rear adjustment cam 1 is attached to the frame side member 6b.
An opening 20 for adjusting 1 is formed. In addition, elongated holes 22 and 23 for fixing these to the base member 8 with fixing screws 21 are formed in the frame-side member 6b and the adjustment plate 9. The base member 8 includes a front-rear adjustment cam 11, a left-right adjustment screw 16, a fixing screw 2
A cover 24 made of a synthetic resin having an opening for adjusting 1 is attached.

Door side member 7a constituting lower hinge 3B
The tip of the frame-side member 7b is bent into a vertical cylindrical shape. And at the tip of the frame side member 7b,
A shaft (pin shaft) 25 is provided so as to protrude vertically upward, and a downwardly open bearing 26 for rotatably supporting the shaft 25 is provided at a tip end of the door body side member 7a. I have. The door body 4 is moved up and down (z direction, FIG.
As shown in FIG. 1, the bearing 26 is vertically movably mounted in the cylindrical distal end of the door body-side member 7a as a vertical adjusting means for moving and adjusting the bearing 26. A vertical adjustment screw 27 for adjusting the height is provided via a nut 28.

On the other hand, the distal ends of the door body side member 6a and the frame body side member 6b constituting the upper hinge 3A are also bent into a vertical cylindrical shape. In this case, the distal end of the frame body side member 6b is not bent into a completely cylindrical shape, but is incompletely formed in a state where the distal end is opened in a slit shape in order to insert the shaft 29 from the lateral direction, as described later. Preferably, it is bent into a cylindrical shape. A shaft (pin shaft) 29 is provided at the front end of the door body side member 6b in a state of protruding vertically downward, and the shaft 2 is provided at the front end of the frame body side member 6b.
Upwardly open bearing 3 for rotatably supporting 9
0 is provided.

The bearing 30 has a structure shown in FIGS.
As shown in FIG. 3, an insertion port 31 for inserting the shaft 29 into the bearing 30 from the lateral direction (horizontal direction) is provided, and a lid (also referred to as a rotating cap) for opening and closing the insertion port 31 is provided.
32 is provided so as to be able to rotate horizontally. Specifically, FIG.
As shown in (a) and (b), a block body 33 covering the lower half and the lower opening end of the slit-shaped opening except for the insertion port 31 is provided in the incomplete cylindrical tip of the frame side member 6b. The block body 33 is integrally formed with a bearing portion 35 that supports a rotating shaft 34 provided at a lower portion inside the lid 32 so as to be rotatable and vertically movable.

A space 36 is formed below the bearing 35 in the block 33, and this space 36 is formed.
A spring 37 for urging the rotation shaft 34 of the lid 32 upward is attached to the cover 32. A concave portion 38 is provided at a predetermined position on a lower end surface of the bearing portion 35, and a convex portion 39 is provided at a lower end portion of the rotating shaft 34 of the lid 32 to engage with the concave portion 38 from below. When the lid 32 is turned to the closed position, the convex portion 39 is turned into the concave portion 38 by the urging force of the spring 37.
It is configured to engage with.

In the closed position, as shown in FIG. 8A, the convex portion 39 is urged upward by the spring 37 to engage with the concave portion 38, so that the upper end of the lid 32 is closed. Is located at the top opening end of the tip end of the frame-side member 6b. In this state, since the rotating shaft 34 is locked by the engagement of the convex portion 39 and the concave portion 38, the lid 32 rotates freely in the opening direction with the rotation of the shaft 29 when the door is opened. Never.

When the lid 32 in the closed position is opened, the lid 32 is pushed down against the urging force of the spring 37 to release the engagement between the concave portion 38 and the convex portion 39, as shown in FIG. Then, it may be rotated in the opening direction (rightward in the illustrated example). Lid 3
In the open position, as shown in FIG.
Since 9 contacts the lower end surface of the bearing portion 35, the upper end of the lid 32 is located at a position lower than the upper end of the upper end of the frame-side member 6b. From this open position, the lid 32 can be easily rotated in the closing direction (left direction in the illustrated example), and when the lid 32 reaches the closed position, the convex portion 39 is turned by the urging force of the spring 37 into the concave portion 38. , The lid 32 is raised and automatically locked.

The lid 32 can be manually opened and closed by the above-described method.
In order to automatically close the lid 32 when the door is inserted from the door 1 and the door 4 is hung on the frame 2, the door body side member 6a
Is provided with a closing operation member 40 as shown in FIGS. The closing operation member 40 includes the door body side member 6.
It is formed integrally with a cap 41 attached to the lower end of the distal end portion a. On the outer surface of the lid 32, an operating portion 42 protruding in a U-shape is formed.
The closing operation member 40 comes into contact with the operation unit 42 when the door body 2 is closed, and the lid 32 is rotated in the closing direction in conjunction with the closing operation of the door body 2 ( (From the state shown in FIG. 7B to the state shown in FIG. 7A). In FIG. 1, reference numeral 43 denotes caps respectively attached to the open ends of the cylindrical distal ends of the door-side members 6a and 7a and the frame-side member 7b.

In the door 1 having the above structure, when the door 4 is hung from the frame 2, first, as shown in FIG. 2, the door 4 is lifted to form the lower hinge 3B. Bearing 2 of door body side member 7a with respect to shaft 25 of frame body side member 7b
6 are engaged, and the frame body side member 7b and the door body side member 7a are connected. As a result, the load of the door body 4 is supported by the lower hinge 3B, and in this supported state, the upper hinge 3 is supported.
A, when the shaft 29 of the door body side member 6a is
Then, the shaft 29 is inserted into the bearing 30 from the insertion opening 31 in which the lid 32 is set to the open position.

When the door body 4 is rotated in the closing direction about the upper and lower shafts 29 and 25 as a fulcrum and closed, the closing operation member 40 provided on the door body side member 6a of the upper hinge 3A is opened. The cover 32 is automatically rotated in the closing direction in conjunction with the closing operation of the door body 4. When the lid 32 reaches the closed position, the convex portion 39 urged by the spring 37 engages with the concave portion 38, the lid 32 is automatically locked, and the hanging of the door 4 is completed. Door body 4 to frame body 2
When removing from the door, the door body 4 is opened, the lid 32 in the closed position is pushed down, and the lid 32 is rotated in the opening direction to open the insertion port 31 of the bearing 30, and the procedure is reverse to the above. The door body 2 may be removed.

On the other hand, when the mounting position of the door body 4 is adjusted, the frame body side members 6b and 7b are fixed by opening the door body 4 as shown by solid lines in FIGS. The cover 24 of the base member 8 is exposed, and the fixing screw 21 is loosened to adjust the front-rear adjustment cam 11 and the left-right adjustment screw 16.
May be appropriately adjusted with a rotary tool. Thereby, the door body 4
, Front and rear, left and right adjustment can be easily performed. Also,
Cap 4 of door body side member 7a constituting lower hinge 3B
The upper and lower adjustment of the door body 4 can be easily performed by removing the 3 and appropriately adjusting the vertical adjustment screw 27 with a rotating tool.

As described above, according to the door 1, the frame 2 and the door 4 which is attached to the frame 2 via the hinge 3 so as to be openable and closable are provided. And a door body side member 6a fixed to the door body side. These frame body members 6b and 7b and the door body member 6a,
One of the members 7a, for example, the door body-side member 6a is provided with a shaft 29, and the other, for example, the frame body-side member 6b is provided with a bearing 30 for rotatably supporting the shaft 29. And
An insertion hole 3 for inserting the shaft 29 from the lateral direction into the bearing 30
1 is provided, and a lid 32 for opening and closing the insertion port 31 is provided so as to be able to rotate in the horizontal direction.
Once inserted, it is only necessary to turn the lid 32 sideways to close the insertion opening 31, and the door 4 can be easily and securely attached to the frame 2 with a simple structure, improving workability. In addition, cost can be reduced.

According to the door 1, the door body side member 6
a is provided with a closing operation member 40 that automatically closes the lid 32 in conjunction with the closing operation of the door body 4. Can be automatically closed, the lid 32 can be prevented from being forgotten to be closed, and safety can be improved. In addition, by allowing the lid 32 that opens and closes the insertion opening 31 of the bearing 30 to be able to rotate laterally, the structure can be simplified and the cost can be reduced.

Further, since the front-rear adjustment cam 11 composed of an eccentric cam is employed as the front-rear adjustment means of the door 4, the front-rear adjustment of the door 4 can be easily performed with a simple structure, and the frame-side member is provided. The base side including the base member 8 of 6b can be made compact, and the cost can be further reduced. Also,
The front-rear adjustment cam 11, the left-right adjustment screw 16 and the up-down adjustment screw 27 together with the front-rear adjustment screw 11 make it possible to easily adjust the door body 4 in all directions of front-rear, left-right and up-down with a simple structure.

The embodiments of the present invention have been described in detail with reference to the drawings. However, the present invention is not limited to the above embodiments, and various design changes and the like can be made without departing from the gist of the present invention. Is possible. For example, in the upper hinge 3A, a shaft 29 is provided on the door body side member 6a and the frame body side member 6
It is preferable that the bearing 30 is provided in b, but these may be reversed, that is, the shaft 29 may be provided in the frame-side member 6b, and the bearing 30 may be provided in the door-body member 6a. Similarly, the closing operation member for closing the lid 32 provided on the bearing 30 may be provided on either the door body side member 6a or the frame body side member 6b.

In the lower hinge 3B, it is preferable that the shaft 25 is provided on the frame side member 7b and the bearing 26 is provided on the door body side member 7a, but these may be reversed.
In this case, the shaft 26 may be configured to move up and down as vertical adjusting means. The insertion port 31 and the lid 32 of the bearing 30 are preferably provided on the upper hinge 3A. This is because the hanging operation of the door body 4 is performed in a state where the worker stands, and therefore, it is easier to see the target when the insertion port 31 is closer to the line of sight. However, the insertion port 31
The lid 32 may be provided on the lower hinge 3B, or may be provided on both the upper and lower hinges 3A and 3B. The present invention is applicable not only to doors but also to, for example, casement windows.

[0032]

In summary, according to the present invention, the following effects can be obtained.

[0033]

(1) According to the present invention, a frame and this frame
And a door that can be opened and closed via a hinge
The hinge has a frame body side member fixed to the frame body side and a door body side member fixed to the door body side, and a shaft is provided on one of the frame body member and the door body side member, and the shaft is turned on the other. A bearing for movably supporting the bearing, an insertion opening for inserting a shaft from a lateral direction is provided in the bearing, and a lid for opening and closing the insertion opening is provided for lateral rotation, and the frame body side member and the door body side member are provided. Since the closing operation member that automatically closes the lid in conjunction with the closing operation of the door on one of the doors is provided, the door can be easily and reliably attached to the frame with a simple structure. As the workability can be improved and the cost can be reduced, and the lid can be automatically closed in conjunction with the closing operation of the door,
Safety can be improved.

[Brief description of the drawings]

FIG. 1 is a sectional view showing an embodiment in which the present invention is applied to a door.

FIG. 2 is a perspective view illustrating a state where the door is suspended from the door.

FIG. 3 is a perspective view of a frame-side member having a lid.

FIG. 4 is a perspective view showing an internal structure of the frame body side member with a cover removed.

FIG. 5 is a cross-sectional view of the frame-side member.

FIG. 6 is a plan view illustrating adjustment of a door body.

FIGS. 7A and 7B are diagrams showing a situation in which a lid is automatically closed by a closing operation of a door body, wherein FIG. 7A is a plan view of a closed state, and FIG.

FIG. 8 is a view showing a structure for locking a lid at a closed position,
(A) is sectional drawing of a closed state, (b) is sectional drawing of an open state.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Door 2 Frame 3 Hinge 4 Door 6a Door-side member 6b Frame-side member 29 Shaft 30 Bearing 31 Insertion port 40 Closing member

Claims (1)

(57) [Claims] 1. A frame, and the frame can be opened and closed via a hinge.
The hinge is fixed to the frame side.
The frame body side member to be fixed and the door body side member fixed to the door body side
Having one of these frame side member and door body side member.
A shaft is provided, and a bearing for rotatably supporting the shaft is provided on the other side.
The bearing is provided with an insertion port for inserting the shaft from the lateral direction.
At the same time, a lid that opens and closes this insertion slot is
The door body is attached to either the frame body side member or the door body side member.
A closing member that automatically closes the lid in conjunction with the closing operation
An opening device, comprising: