JP2594015B2 - Door opening and closing device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door opening / closing apparatus, and more particularly to a door opening / closing apparatus for opening and closing a door installed in a room.

[0002]

2. Description of the Related Art Conventionally, as this type of door opening / closing device, for example, as described in Japanese Utility Model Publication No. Hei 4-20119, there is provided one mounting member fixed to upper and lower ends of a pillar. A support shaft is integrally erected and fixed to a mounting member provided at a lower end portion, and a vertical support shaft is removably provided in a bearing hole of the mounting member provided at the upper end portion thereof, and a door body is provided. A bearing plate is formed integrally with the other mounting member fixed to the upper and lower end portions, and a bearing plate having a bearing hole through which the upper and lower support shafts are inserted is provided in a receiving recess formed in the upper and lower bearing members. The lower portion is movably accommodated, and the support shaft of one mounting member disposed at the lower end portion is rotatably inserted into the bearing hole of the bearing body of the other mounting member at the lower end portion, and the other mounting portion at the upper end portion is mounted. Align the bearing hole of the bearing body of the member with the bearing hole of one of the mounting members at the upper end in communication Rutotomoni, structure fitted rotatably the support shaft in the vertical direction are known in the upper and lower bearing hole. Also described in Japanese Utility Model Application Laid-Open No. 61-141474.
The support member is fixed to the auxiliary frame of the vertical frame
The support member has an insertion hole with an insertion opening at both ends.
To form the above from either one of the insertion ports of the both ends
Insert the first wing plate of the hinge into the insertion hole and insert it into the support member.
It is known that the first blade plate is fixed by a plurality of screws.
Have been.

[0003]

Problems to be Solved by the Invention
In the structure described in Japanese Patent Publication No. 19, the other mounting member having a bearing body rotatably supported on one mounting member mounted on the pillar is fixed to one end of the door body. Can only be pivotally opened and closed only in the right-opening state with respect to the pillar, and this door cannot be pivotally opened and closed in the left-opening state. The door body cannot be selectively opened and closed in a right-opening state or a left-opening state, and the door body is freely opened and closed while the door is inconvenient. When the door is shipped with the other mounting member having the bearing protrudingly formed fixed to one end of the door, the bearing protrudes greatly outside the door when the door is shipped. There is a problem that it is not preferable in packing and transporting the body. Also,
With the structure described in Japanese Utility Model Application Laid-Open No. 61-141474,
Is installed with the door open to the right or left
However, at this time, the insertion port on one side of the support member
The first blade of the hinge is inserted into the insertion hole and fixed
The other side of the support member into which the first blade is not inserted
The insertion slot of the
Not only is the view impaired, but it remains open
It is easy for dust or the like to enter the insertion slot,
There is a problem that it takes time.

[0004] The present invention has been made in view of such a point, and according to the state of the entrance, the door body is opened to the right,
Alternatively, the door can be selectively opened and closed in a left-opening state, so that the usability of opening and closing the door can be improved, and the door can be freely opened and closed in an inconvenient state. When the door is shipped with the mounting bracket for attaching the interlocking arm fixed to the end face of the door, the mounting bracket does not protrude greatly outside the door. It is another object of the present invention to provide a door opening / closing device in which the packing and transportation of the door are easy and the structure thereof is also simple.

[0005]

The door opening and closing device according to the present invention comprises:
A hinge member fixed to the fixed frame and having a support; and a hinge member fixed to the door and rotatably supported by the support member of the hinge member, the other hinge member being provided. Has a vertical mounting bracket attached to an end surface of the door body, and an interlocking arm connected to the mounting bracket and supported by the one hinge member, wherein the mounting bracket has a thickness of the door body. an arm mounting portion for mounting to a state where the interlocking arm and selectively projecting either side of both sides of the direction, the interlocking arm has one from said selected direction of said mounting bracket to a side arm mounting portion Before
With a support plate which is retractable adjustably secured in the thickness direction of the Kitobiratai, support rotatably engaged in said one hinge member to protrude from the selected side portion of the mounting bracket on the other side And a support plate of the interlocking arm is fixed to an arm mounting portion of the mounting bracket, and when the engaging body of the interlocking arm is projected from one side of the mounting bracket, the mounting is performed. It is arranged on the other side of the bracket and this other side
The one having a decorative cover you covered.

[0006]

In the door opening / closing device of the present invention, one hinge member is fixed at a predetermined position of the fixed frame, and a mounting bracket of the other hinge member is fixed at a predetermined position of the end surface of the door.

The direction in which the mounting bracket fixed to the end face of the door body is selected in accordance with the state of the doorway, that is, the door body
The support plate formed on one side of the interlocking arm of the other hinge member is adjusted from one side in the thickness direction of the door to the arm mounting portion of the mounting bracket by moving forward and backward in the thickness direction of the door body and fixed.

When the support plate of the interlocking arm is fixed, the engaging member provided on the other side of the interlocking arm projects from the selected one side of the mounting bracket, and the engaging member is connected to the one side. In order to support the engagement of the hinge member with the support member. In addition, since the engaging body of the interlocking arm projects from one side of the mounting bracket, the other side of the mounting bracket is covered with a decorative cover.

Therefore, the support plate of the interlocking arm is fixed to the arm mounting portion of the mounting bracket fixed to the end surface of the door body in accordance with the state of the doorway from one side selected in the left-right direction. The door is selectively fixed to the right or left open state with respect to the mounting bracket. Also, the other side of this mounting bracket is
Outstanding design by covering with cosmetic cover
Viewability is enhanced.

Next, the support of one hinge member fixed to the fixed frame is rotatably engaged with the other engaging member of the interlocking arm of the other hinge member fixed to the door. Thus, the door body is supported by the one hinge member and the other hinge member such that the door body can be opened and closed in a right-opening state or a left-opening state with respect to the fixed frame body.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The configuration of an embodiment of the present invention will be described below with reference to the drawings.

Reference numeral 1 denotes a vertical pillar-shaped vertical frame as a fixed frame disposed and fixed opposite to the left and right portions of the entrance 2. A fixed frame is provided between the upper ends of the left and right vertical frames 1. Upper frame 3
Are horizontally arranged and fixed. Reference numeral 4 denotes a door that opens and closes the entrance 2.

A top pivot mechanism 5 supports an upper end of one end of the door body 4 in a width direction with respect to an upper end of the vertical frame 1 on one side. Also,
A lower end of one end in the width direction of the door body 4 is supported by a bottom pivot mechanism 6 to be openable and closable with respect to a lower end of the one side vertical frame 1. That is, the door body 4 is supported by the top pivot mechanism 5 and the bottom pivot mechanism 6 provided at the upper and lower ends at one end so as to be openable and closable.

The top pivot mechanism 5 includes one hinge member 7 fixed to the upper end of the one vertical frame 1,
The other hinge member 8 fixed to the upper end of one end of the door body 4. The one hinge member 7 is provided with a vertically long support fitting 9 fixed to the upper end of the one side vertical frame 1 and this support fitting 9.
The support arm 10 is supported so that the position can be freely adjusted in the left-right direction.

The support fitting 9 has a buried protrusion 12 fitted and buried in a vertically buried recess 11 formed at an upper end of the one vertical frame 1. A series of flanges 13 are integrally formed at the upper end, the lower end, and the outer end so as to abut on the opening edge of the embedded recess 11. Also, a flange protrudingly formed at an outer end of the buried convex portion 12 is provided.
Guides 14 are formed at the upper and lower ends of the projection 13 in parallel, and a flat insertion recess 15 is formed by the upper and lower guides 14 and the flange 13.

A flat insertion hole 16 communicating with the insertion recess 15 is formed between the front side of the buried protrusion 12 and the back surface of the flange 13. An inclined surface 17 inclined at a predetermined inclination angle from the inner end of the insertion concave portion 15 toward the embedded concave portion 11 in front of the embedded convex portion 12.
The insertion hole 16 is gradually expanded toward the inner end of the inclined surface 17.

The inclined surface 17 has a screw hole 18 which is located at a substantially middle portion in the vertical direction and penetrates the buried convex portion 12.
An adjusting screw 19 is formed in the screw hole 18 from the inclined surface 17.
Are screwed forward and backward freely by rotation.
A flange 21 is integrally formed with the screw head 20 of FIG.
Further, screw holes 22 are buried in the upper and lower portions of the screw holes 18, respectively.
Are formed respectively.

Further, screw operation holes 23 communicating with the screw holes 18 and 22 through insertion holes 16 are formed in the vertical intermediate portion of the flange 13, respectively.
, Screws 24 are respectively screwed. A plurality of mounting holes 25 are formed at the upper end and the lower end of the flange 13, respectively.

Next, the support arm 10 is formed in a plate-like shape having a size such that the support arm 10 is removably inserted into the insertion hole 16 from the insertion recess 15, and has a base end at the middle of the support fitting 9. A communication hole 26 is formed to communicate with each of the screw holes 18 and 22 formed in the portion. In each of the communication holes 26, the adjusting screw is provided in the communication hole 26 located at an intermediate portion thereof.
The screw head 20 of 19 is inserted, and the opening edge of the communication hole 26 is engaged and supported by the flange 21 of the adjusting screw 19 from the inside. The screws 24 are inserted into the other upper and lower communication holes 26 from outside.

At the tip of the support arm 10, a vertically long support 27 which is formed in a cylindrical shape and is continuous with the tip of the support arm 10 on one side thereof is integrally formed. The rear portion of the support body 27, that is, the rear portion located on the side of the support fitting 9 fixed to the vertical frame 1, has a vertically long rectangular shape having a lower end portion opened from a substantially middle portion to a lower end portion in the vertical direction. An insertion opening 28 having a shape is cut out.

A cap body 29 is fitted and fixed to the lower end of the support body 27. The cap body 29 has a disk 30 that contacts the lower end of the support 27, and the disk 30
A substantially semicircular fitting protrusion 31 that fits into the inner wall of the lower end of the support 27 is integrally formed on the upper part of the support member 27.
31 and the disc 30 have a support recess connected to the insertion opening 28.
32 are formed penetrating in the vertical direction.

Further, a support surface 33 is formed on the disk 30 located at the inner lower end of both sides of the fitting projection 31 opposite to each other, and both ends of the fitting projection 31 are opposed to each other.
A support protrusion 35 is formed on the disk 30 at a lower end portion of the disk. The cap body 29 is fixed to the lower end of the support body 27 with a screw (not shown).

A vertically long, substantially cylindrical support block 36 disposed in the support body 27 is fitted and fixed to the upper portion of the cap body 29. This support block 36
On one side thereof, a communication port 37 as a substantially rectangular support recess which is long in the vertical direction and communicates with the insertion port 28 and the support recess 32.
An engaging projection 38 engaged with the opposite opening edge of the insertion port 28 is protruded from the opposite opening edge of the communication port 37 in parallel with the opposite opening edge. The lower end of the projecting piece 38 is supported by the opening edge of the support recess 32 in the disk 30 of the cap body 29.

The lower end of the support block 36 has an engaging step supported on the fitting projection 31 of the cap body 29.
39, support projections 40 supported by support surfaces 33 on both sides of the cap body 29 and support projections on both sides of the cap body 29
Engagement projections 41 supported by 35 are formed respectively. The lower end of the support block 36 is fitted to the upper part of the cap body 29 and is integrally fixed by screws (not shown).

An accommodating portion 42 is formed in the upper part of the support block 36, and a stopper 43 is integrally protruded from the lower end of the accommodating portion 42 toward the communication port 37. Further, a hollow cylindrical spring holder 44 having an open upper surface is housed in the housing part 42 so as to be vertically movable, and a large-diameter coil spring 46 is housed in a hollow part 45 of the spring holder 44. The upper portion of the large-diameter coil spring 46 projects above the hollow portion 45. A support projection 47 is integrally protruded downward at an eccentric position at the lower end of the spring holder 44.

At the upper end of the other side of the support block 36, an engagement projection 49 is formed at the lower end of an inclined portion 48 inclined rearward and downward. The portion is formed with an engagement surface 50 inclined toward the communication port 37 at the lower front. Also, on both sides of the engagement surface 50, a vertically-accommodating recess 52 is formed by opposing upper and lower arc-shaped projections 51,
An insertion groove 53 is provided between the opposed upper and lower arc-shaped projections 51 and both sides of the engaging surface 50 and on both sides of the housing recess 52.
Are formed penetrating toward the communication port 37.

Further, an opening / closing body 54 for opening and closing the insertion opening 28 is provided on the support 27 between the engaging projections 38 of the support block 36 engaged with the opening edges of the insertion opening 28. On the other hand, it is attached to be able to move up and down. This opening and closing body 54
It has an arc-shaped opening / closing plate 55 along the outer surface of the support body 27, and an arc-shaped supporting projection 57 opposed to the supporting concave portion 32 via a connecting projection 56 is integrally formed on an inner lower end portion of the opening / closing plate 55. It is protruding.

On both sides of the support projection 57, a sliding surface 58 slidably engaged with the inner side of the opposed engagement projection 38 and a base end of the opposed engagement projection 38 are provided. A sliding arc surface 59 slidably engaged with the inner side of the arcuate surface 36a of the continuous support block 36 is formed. A portion 60 is formed so as to protrude, and a sliding surface 61 inclined rearward and downward is formed on an upper portion continuous with the engaging step portion 60 on both sides.

An insertion hole 62 having an open upper surface is formed at the upper end of the support projection 57. Also, the opening and closing plate
A screw hole 63 at the upper end of 55
A fixing screw 64 for positioning 54 is screwed. Also,
The upper end of the small-diameter coil spring 65 is fitted into the support projection 47 of the spring holder 44, and the lower end of the small-diameter coil spring 65 is screwed into the screw hole 63 of the opening / closing plate 55.
It is inserted in. Then, the opening and closing member is opened by the large-diameter coil spring 46 and the small-diameter coil spring 65.
54 always urges in the direction of closing the insertion opening 28.

An upper end of an operation lever 67 is rotatably supported by a horizontal support shaft 66 at the upper end of the other side of the support block 36. The operation lever 67 is formed in a shape that is long in the upper and lower directions with a width to be accommodated in the accommodation recess 52 of the support block 36, and has an
A locking piece 69 is attached to the tip of a projection 68 that projects horizontally above
Are projected downward.

Further, on both sides of the operation lever 67 located near the protruding portion 68, a shaft support piece 70 through which the support shaft 66 is rotatably inserted is formed so as to protrude therefrom. Shaft support
The support block 36 is located at a substantially intermediate portion between the lower end 70 of the operation lever 67 and both sides of the operation lever 67.
A support projection 71 as a support projecting into the communication port 37 is formed to protrude from the insertion groove 53 on both sides formed at the side. The support protrusions 71 on both sides of the support protrusion 72 support the engagement step 60 of the support protrusion 57 projecting from the opening / closing body 54 at the upper part and the support protrusion 57 at the lower part. A guide inclined surface 73 on which the sliding surface 61 slides is formed in a tapered shape.

Further, an arc-shaped operation section 74 facing the support projection 57 projecting from the opening / closing body 54 is integrally fixed to the lower end of the operation lever 67. In addition, the operation lever
The large diameter coil spring 46 is attached to the locking piece 69 at the upper end of the 67.
Are fitted and supported. Then, the operation lever 67 is constantly urged by the large-diameter coil spring 46 and the small-diameter coil spring 65 to rotate the operation lever 67 about the support shaft 66, and the operation portion 74 is moved to the support recess 32. The protruding portion is configured to protrude into a communication port 37 serving as a support concave portion communicating with the communication port. Then, the operating section 74 is configured to be pushed and operated by a rotation center axis described later, and a supporting recess is formed by the operating section 74 and the supporting projection 57 of the opening / closing body 54.
A later-described rotation center shaft inserted into the communication port 32 and the communication port 37 is rotatably supported.

A cover 75 is fitted to the upper end of the support 27, and the cover 75 is fixed to the upper end of the support 27 with screws (not shown).

Next, the other hinge member 8 of the top pivot mechanism 5 has a vertically long mounting bracket 76 fixed to the upper end of the door body 4 and a position adjustable in the front-rear direction by the mounting bracket 76. And an interlocking arm 77 connected to the arm.

The mounting bracket 76 has the same width as the width of the end surface at the upper end of the door body 4 and is formed in a vertically long rectangular plate shape. A flat insertion hole 80 as an arm attachment portion having insertion openings 80a and 80b opened is formed at both ends in the direction of the door body 4, that is , both ends in the thickness direction of the door body 4 . The surface plate 78
A partition wall 81 that partitions the upper and lower portions of the insertion hole 80 is integrally formed vertically and symmetrically between both ends in the length direction (up and down direction) between the back plate 79 and the bottom plate 79. Further, guide surfaces are formed in parallel on the opposing surfaces of the upper and lower partition walls 81, and the widths of the front plate 78 and the rear plate 79 are provided on the left and right portions (width direction) of the upper and lower partition walls 81. Direction (thickness direction of the door body 4)
Each of the stoppers 83 is formed on the inner side of the.

A substantially cylindrical boss 84 for receiving a screw is integrally formed at a substantially middle portion of the back plate 79 in the vertical direction so as to protrude outward in a direction opposite to the insertion hole 80. Is formed with a screw hole 85 communicating with the insertion hole 80.
Screw holes 86 are formed in the back plate 79 above and below, respectively. Further, a large-diameter communication hole 87 communicating with the screw hole 85 of the boss 84 and a small-diameter communication hole 88 communicating with the upper and lower screw holes 86 are formed in the surface plate 78, respectively. Further, mounting holes 89 are formed in both sides of the upper end and the lower end of the front plate 78 and the rear plate 79, respectively.

Further, a common decorative cover 90 is selectively removably attached to the insertion openings 80a and 80b at both ends of the insertion hole 80 in the left-right direction. The decorative cover 90 has a vertically long closing piece 91 which is closed by contacting the opening edges of the insertion openings 80a and 80b, and the closing piece 91.
A pair of engaging projections 92 elastically fitted and locked in the insertion ports 80a and 80b are formed on one side portion of the insertion port 80a and 80b. The mounting bracket 76 is formed symmetrically in the up-down direction, and is inserted into the insertion hole 80 of the mounting bracket 76 from either direction of the insertion ports 80a and 80b at both ends. A board is to be inserted.

The mounting bracket 76 is attached to the door 4
The mounting bracket 93 is fixed to the mounting recess 93 formed in the end surface of the upper end portion by fitting and abutting from the back plate 79 side. In this case, the surface plate 78 and the end surface of the upper end of the door body 4 are formed so as to be flush with each other.

Next, the interlocking arm 77 has one side thereof.
The inserted removably in the insertion hole 80 of the mounting bracket 76 to the supporting
It has an insertion plate 94 as a support plate to be held , and this insertion plate 94
Of the lower insertion plate 94 and connecting plate 95 in the same plane is formed integrally projects, the distal end portion of the connecting plate 95, that is,
On the other side, a vertically long cylindrical body 96 is integrally fixed.

The insertion plate 94 is formed in parallel as engagement edge portions 97 whose upper and lower edges are slidably engaged with the upper and lower guide surfaces 82 of the mounting bracket 76, respectively.
At the base end of the connecting plate 95 that protrudes downward continuously to the engaging edge 97 at the lower end thereof, a locking edge 98 that is locked by one of the stoppers 83 of the partition wall 81 is perpendicular. It is formed in a shape.

An adjusting hole 99 extending in the front-rear direction communicating with a screw hole 85 at an intermediate portion of the mounting bracket 76 is provided at a substantially intermediate portion of the insertion plate 94 in the vertical direction. Long adjustment holes 100 are formed in the front-rear direction and communicate with the upper and lower screw holes 86 of the metal fitting 76, respectively.
9, 100 have the same length in the front-rear direction.

The cylindrical body 96 has a plug 101 fitted and fixed to the lower end thereof, and a bearing block 102 fitted and fixed to the upper end thereof. A rotation center shaft 103 as an engaging body fixed to the center portion of the body is integrally and vertically protruded upward. A cap 104 fitted from above into the rotation center shaft 103 is fitted to the upper end of the cylindrical body 96, and a shaft collar 105 is fitted to the rotation center shaft 103. Thus, the rotation center shaft 103 is connected to the one hinge member 7.
The support 27 has a size that allows it to be inserted into the support recess 32 and the communication port 37 as a support recess by horizontal movement from an insertion opening 28 formed in the support 27.

Then, in the insertion hole 80 of the mounting bracket 76,
One of the two insertion ports 80a and 80b
Alternatively, the insertion plate of the interlocking arm 77 can be inserted through the other insertion port 80b.
94 is inserted, and each adjustment hole 99, 100 of the insertion plate 94 and each screw hole of the back plate 79 are inserted from the communication holes 87, 88 of the front plate 78 of the mounting bracket 76.
Adjustment screws 106 are screwed into 85 and 86, respectively, and the insertion plate 94 of the interlocking arm 77 is adjusted forward and backward in each of the adjustment screws 106 to adjust and set the position of the rotation center shaft 103.
By tightening each adjusting screw 106 at the set position, the interlocking arm 77 is fixed to the mounting bracket 76.

Next, the bottom pivot mechanism 6 has one hinge member 10 fixed to the lower end of the one vertical frame 1.
7 and the other hinge member 108 fixed to the lower end of one end of the door 4. The one hinge member 107 is connected to the one side vertical frame 1.
It comprises a vertically extending support fitting 109 fixed to the lower end of the support arm, and a support arm 110 supported by the support fitting 109 so as to be capable of adjusting the position in the left-right direction.

The support member 109 of the one hinge member 107
Has the same structure as the support metal 9 of the one hinge member 7 of the top pivot mechanism 5, so the reference numerals used for the support metal 9 are entered and the description thereof is omitted. The support arm 110 of the one hinge member 107
Since the base end of the hinge member 7 of the top pivot mechanism 5 has the same structure as that of the support arm 10 of the top pivot mechanism 5, the symbols used for the support arm 10 are entered and the description thereof is omitted. I do.

Thus, a hollow cylindrical body 111 is integrally formed at the distal end of the support arm 110, and a plug 112 is fitted and fixed to the lower end of the cylindrical body 111. A bearing block 113 is fitted and fixed to the upper end thereof, and a pivoting center shaft 114 as a pivot-shaped support fixed to the center of the bearing block 113 is integrally formed vertically upward. It is protruding. The support arm 110 is supported on the support fitting 109 so that the position thereof can be adjusted in the left-right direction similarly to the case of the support arm 10 for the support fitting 9.

The other hinge member 108 is attached to a vertically long mounting bracket 115 fixed to the lower end of the door body 4 and an interlocking arm 116 connected to the mounting bracket 115 so as to be adjustable in the front-rear direction. It is configured. Since the mounting bracket 115 has the same structure as the mounting bracket 76 of the other hinge member 8 of the top pivot mechanism 5, the reference numeral used for the mounting bracket 76 is entered, and the description thereof is made. Is omitted.

Since the base of the interlocking arm 116 is the same as that of the interlocking arm 77 of the other hinge member 8 of the top pivot mechanism 5, the same reference numeral is used for the interlocking arm 77. And its explanation is omitted. A vertically long hollow cylindrical engaging body 117 is integrally formed at the distal end of the interlocking arm 116, and an adjusting block 118 is fitted into the engaging body 117 and formed on the adjusting block 118. At the lower end of the vertical sliding hole 119, there is formed a conical insertion hole 120 which is open downward and into which the rotation center shaft 114 is inserted. The lower end of the insertion hole 120 is annularly formed. The engagement edge portion 121 is
7, a screw groove 122 is formed on the inner wall above the sliding hole 119 in the vertical direction.

A vertically long bearing 123 is slidably inserted in the sliding hole 119 in the up and down direction, and the lower end of the bearing 123 has an upper end of the rotation center shaft 114. An approximately semicircular support recess 124 is formed, which is rotatably supported by. An adjusting screw 125 is rotatably screwed into the screw groove 122 above the sliding hole 119 so that the position of the adjusting screw 125 can be adjusted vertically by rotation.
3 support the upper end of the
A rotation operation section 126 is formed at the upper end of the 125.

Further, a cap 127 is detachably fitted to the upper end of the engaging body 117, and an insertion hole 128 through which the rotation center shaft 114 is inserted is provided in the lower end of the engaging body 117. Cover body 129 is fitted. By rotating the adjusting screw 125 to adjust the vertical movement, the bearing body 123 fitted and supported at the upper end of the rotation center shaft 114 is moved up and down. The height of the door body 4 is adjusted in the vertical direction. The bearing 123 is fitted and supported by the sliding hole 119 so as not to drop even when it is not fitted and supported by the upper end of the rotation center shaft 114.

Next, the operation of the above embodiment will be described.

The support fitting 9 of one hinge member 7 of the top pivot mechanism 5 has its buried protrusion 12 disposed in a buried recess 11 formed at the upper end of the vertical frame 1. 13 from each mounting hole 25 formed in the upper and lower ends of the vertical frame 1
Each fixing screw 130 is screwed into the opening edge of the embedded recess 11 and the supporting bracket 9 of one hinge member 7 is fixed to the embedded recess 11 of the vertical frame 1 with each fixing screw 130.
The support body 27 of the support arm 10 connected to the support fitting 9 of the one hinge member 7 is disposed and supported so as to protrude toward the near side.

Then, if necessary, the upper and lower screws 24 of the adjusting screw 19 of the support fitting 9 are rotated and relaxed by a screwdriver inserted from the screw operation hole 23, respectively, and the screw operation hole 23 in the middle portion thereof. When the screw head 20 of the adjusting screw 19 located in the communication hole 26 in the intermediate part of the support arm 10 is rotated by a driver inserted from the The position of the flange 21 of the screw head 20 supporting the opening edge of the hole 26 is adjusted and set.

That is, when the adjusting screw 19 is screwed deeply into the screw hole 18 of the buried projection 12, the flange 21 of the screw head 20 is retracted, and this flange 21 is supported via the support arm 10. It is the position to move and adjust the body 27 to one side in the left and right direction. If the adjustment screw 19 is screwed in shallowly, the screw head
The 20 flanges 21 are advanced, and the flanges 21 are positioned to move and adjust the support 27 to the other side in the left-right direction via the support arm 10. Therefore, by rotating the adjusting screw 19 to adjust and set the position of the flange 21 of the screw head 20 and tightening the upper and lower screws 24 again, the support 27 at the tip of the support arm 10 is It is easily adjusted and set in the direction.

The mounting bracket 76 of the other hinge member 8 of the top pivot mechanism 5 has a back plate 79 having the boss 84.
Are provided in mounting recesses 93 formed in the upper end of the door body 4, and each fixing screw 131 is fixed to the upper and lower ends of the mounting recess 93 from the mounting holes 89 formed in the upper and lower ends of the mounting bracket 76. , And the mounting bracket 76 of the other hinge member 8 is fixed to the mounting recess 93 of the door body 4 with the fixing screws 131. The mounting bracket 76 is fixed to the door 4 at the time of shipping the door 4 or at the installation site.

Then, at the time of shipping or installation of the door body 4, one of the left and right insertion openings 80 a of the mounting bracket 76 fixed to the end face of the door body 4 is opened in accordance with the condition of the entrance 2. An insertion plate formed on one side of the interlocking arm 77 of the other hinge member 8 from one insertion opening 80a into the insertion hole 80
The insertion plate 94 is inserted, the position of the insertion plate 94 is adjusted in the front-rear direction, and the insertion plate 94 is fixed to the mounting bracket 76 with each adjustment screw 106 at this set position.

When the insertion plate 94 of the interlocking arm 77 is fixed, the rotation center shaft 103 as an engaging member provided on the other side of the interlocking arm 77 is engaged with the support member 27 of one of the hinge members 7. It protrudes outward in preparation for. Further, by attaching to fit the decorative cover 90 and the other insertion opening 80b of the mounting bracket 76 without inserting the inserting plate 94 of the interlocking arm 77, insertion of the other mounting member 76 at the decorative cover 90 Mouth 80
b is closed, and the insertion port 80b is covered to enhance the appearance. The cylindrical body 96 having the rotation center axis 103 of the interlocking arm 77 of the other hinge member 8 is
Are arranged and supported in a state of protruding from one end of the.

Accordingly, the insertion holes 80a, 80b opened at both ends in the left-right direction with respect to the insertion hole 80 of the mounting bracket 76 fixed to the end face of the door body 4 according to the state of the entrance 2.
By inserting and fixing the insertion plate 94 of the interlocking arm 77 from the selected one of the insertion ports 80a and 80b, the interlocking arm 77 having the rotation center axis 103 is attached to the mounting member 76 with respect to the door body 4. Is selectively fixed to a right-opening state or a left-opening state.

If necessary, the screw head of each adjustment screw 106 of the mounting bracket 76 is rotated to operate the upper and lower adjustment screws 10.
6 and relax the interlocking arm 77 against this mounting bracket 76.
The forward and backward adjustment in the thickness direction of the door body 4 within the length of each of the upper and lower adjustment holes 99, 100 formed in the interlocking arm 77.
And, by re-fastened to the adjusting screw 106 in its set position, the cylinder 96 and the rotation center shaft 103 that protrudes to the cylinder 96 of the interlocking arm 77 is adjusted set in the front-rear direction.

Next, the support fitting 109 of one hinge member 107 of the bottom pivot mechanism 6 is located near the lower end of the vertical frame 1 in the same manner as the support fitting 9 of the hinge member 7 of the top pivot mechanism 5. The upper and lower ends of the supporting member 109 of the hinge member 107 are disposed in the buried concave portion 11 of the vertical frame 1 with the fixing screws 130 in the same manner as in the case of the supporting member 9. By fixing, the support arm connected to the support fitting 109 of the one hinge member 107
The cylindrical body 111 of 110 and the rotation center shaft 114 protruding and fixed on the cylindrical body 111 are disposed and supported so as to protrude toward the near side.

Then, if necessary, the adjusting screw 19 of the support fitting 109 is adjusted forward and backward similarly to the case of the support fitting 9, and at the set position of the adjusting screw 19, the upper and lower screws 24 previously loosened are respectively turned. The support arm 110 is fixedly attached to the support fitting 109 by being moved and tightened, and the cylindrical body 111 at the distal end of the support arm 110 and the rotation center shaft 114 fixed to the cylindrical body 111 are fixed. Is easily adjusted and set in the horizontal direction.

The mounting bracket 115 of the other hinge member 108 of the bottom pivot mechanism 6 is similar to the mounting bracket 76 of the other hinge member 8 of the top pivot mechanism 5 in the same manner.
A back plate 79 having the boss 84 is disposed in a mounting recess 93 formed at the lower end of the door body 4, and the upper and lower ends of the mounting bracket 115 are attached to the fixing screws 131 in the same manner as in the case of the mounting bracket 76. To be fixed to the mounting recess 93 of the door body 4. The fixing of the mounting bracket 115 to the door 4 is performed at the time of shipping the door 4 or at the installation site.

At the time of shipping the door body 4 or at the installation site, the mounting bracket 115 fixed to the end face of the door body 4 in the left-right direction (the thickness direction of the door body 4) according to the state of the entrance 2.
One of the insertion ports 80a is opened, and the interlocking arm 116 of the other hinge member 108 is inserted into the insertion hole 80 from the one insertion port 80a.
The insertion plate 94 formed on one side of the
Is adjusted in the front-rear direction in the thickness direction of the door body 4 and , at this set position, the insertion plate 94 is
To the mounting bracket 76.

When the insertion plate 94 of the interlocking arm 77 is fixed, the engaging member 11 provided on the other side of the interlocking arm 116 is provided.
7 protrudes outwardly in preparation for supporting the engagement of one hinge member 107 with the rotation center shaft 114. Also, the interlocking arm 11
6 The other insertion opening of the mounting bracket 115 that does not insert the insertion plate 94
By attaching to fit the decorative cover 90 to 80b,
With this decorative cover 90, the other insertion opening 80b of the mounting bracket 115 is used.
Is closed, and the insertion opening 80b is covered to enhance the appearance. The engaging member 117 having the bearing member 123 of the interlocking arm 116 of the other hinge member 108 is
Are arranged and supported in a state of protruding from one end of the.

Therefore, the insertion holes 80a and 80b opened at both ends in the left-right direction with respect to the insertion hole 80 of the mounting bracket 76 fixed to the end surface of the door body 4 according to the condition of the entrance 2.
By inserting and fixing the insertion plate 94 of the interlocking arm 116 from the selected one of the insertion ports 80a and 80b,
The interlocking arm 116 having the engaging body 117 selectively fixes the door body 4 to the right or left opening state with respect to the mounting bracket 115.

Then, if necessary, similarly to the case of the mounting bracket 76 of the top pivot mechanism 5, each adjusting screw 106 of the mounting bracket 115 is rotated to loosen each of the upper and lower adjusting screws 106, and this mounting bracket is loosened. The interlock arm 116 is moved forward and backward in the thickness direction of the door body 4 within the range of the length of each of the upper and lower adjustment holes 99 and 100 formed in the interlock arm 116 with respect to the interlock arm 116. By retightening the adjusting screw 106, the engaging body 117 having the bearing body 123 of the interlocking arm 116 is adjusted and set in the front-rear direction.

Further, if necessary, the cap body 127 is removed from the engaging body 117, and the turning operation part 126 of the adjusting screw 125 of the engaging body 117 is turned to move and adjust the adjusting screw 125 in the vertical direction. The position of the bearing 123 at the lower end of the adjusting screw 125, that is, the position where the rotation center shaft 114 is fitted and supported is adjusted vertically.

Next, when the door 4 for opening and closing the doorway 2 is set on the vertical frame 1, the pivot center of one hinge member 107 of the bottom pivot mechanism 6 fixed to the vicinity of the lower end of the vertical frame 1 is set. The engaging member 11 of the other hinge member 108 of the bottom pivot mechanism 6 fixed to the lower end of the door body 4 with respect to the shaft 114
7 is fitted from above, the rotation center shaft 114 is inserted and fitted into the support recess 124 of the bearing body 123 from within the conical insertion hole 120 of the adjustment block 118 in the engagement body 117, and An engaging body 117 is rotatably supported by the center shaft 114. One hinge member 107 having the rotation center shaft 114 and the other hinge member 108 having the engagement body 117 are provided.
, The lower end of the door body 4 is supported in the vicinity of the lower end of the vertical frame 1 so as to be freely opened and closed.

In this case, the insertion hole 120 of the adjustment block 118
Is formed in a conical shape, so that when the insertion hole 120 and the rotation center shaft 114 are misaligned from each other on the axis, the engaging body 117 engages with the upper end of the rotation center shaft 114. 120
They are easily fitted together in a state in which they are guided by the conical inclined surface of the lens and gradually correct the displacement. In addition, the upper end of the rotation center shaft 114 is formed in an arc shape, and the insertion hole 120 of the adjustment block 118 is formed in a conical shape, so that the lower end of the door body 4 can be smoothly opened and closed and turned. Supported by

Next, when the other hinge member 8 of the top pivot mechanism 5 fixed to the door 4 is connected to the support 27 of one hinge member 7 of the top pivot mechanism 5 fixed to the vertical frame 1, The rotation center axis vertically protruded from the distal end of the interlocking arm 77 of the other hinge member 8 to the insertion opening 28 of the support 27 formed at the distal end of the support arm 10 of the one hinge member 7. When the rotary shaft 103 is horizontally moved and pushed in, the rotation center shaft 103 is moved from the insertion opening 28 of the support body 27 to the support recess 32 of the cap body 29 and a series of support blocks 36 with the support recess 32.
The rotation center shaft is inserted into the communication port 37 (support recess) of the
At 103, the operation section 74 at the lower end of the operation lever 67 is pushed.

The operation lever 67 is rotated about the support shaft 66 at the upper end of the support block 36.
Support protruding pieces 71 (supporting parts) on both sides protruding from the middle part of 67
Are formed on the support projection 57 of the opening / closing body 54 on both sides of the engagement step.
As a result, the opening / closing body 54 is released from the support.

When the support of the opening / closing member 54 is released, the spring holder 44 is pushed downward by the urging force of the large-diameter coil spring 46 which has been compressed and accumulated, and the spring holder 44 is supported by the support block. It is slid and lowered below the storage section 42 of the storage section 36 and is supported by a stopper 43 at the lower end of the storage section 42. In addition, the spring holder 44 is lowered by the large-diameter coil spring 46, and the small-diameter coil spring 65, which has been compressed and stored through the support protrusion 47 at the lower end of the spring holder 44, is pushed, Further, the opening / closing body 54 is pushed downward by the urging force of the compressed and stored small-diameter coil spring 65.

The opening / closing member 54 slides on both sides of the engaging projections 38 on both sides of the support block 36 and the supporting projections 57 sliding along the arcuate surface 36a continuous with the engaging projections 38. Moving surface 58
And is pushed and lowered toward the direction in which the insertion opening 28 is closed via the sliding arc surface 59, and the lower end of the opening / closing body 54 is
The support recess 32, which is abutted and supported on the disk 30 at the opening edge of the support recess 32 of the 29, and into which the rotation center shaft 103 is inserted by the opening and closing body 54, and the insertion port of the communication port 37 continuous with the support recess 32
The rotation center shaft 103 is rotatably supported by the arcuate surface of the support projection 57 of the opening / closing body 54, the arcuate surface of the support recess 32 and the arcuate surface of the operation portion 74 of the operation lever 67.

Therefore, the rotation center shaft 103 protruding from the distal end of the interlocking arm 77 of the other hinge member 8 is opposed to the support 27 formed at the distal end of the support arm 10 of the one hinge member 7. It is easily connected and supported with one touch. Further, by rotating the fixing screw 64 of the opening / closing body 54 to project the fixing screw 64 from the insertion opening 28 toward the support block 36, the opening / closing body 54 opens the insertion opening 28 with the fixing screw 64. The opening / closing member 54 prevents the pivot shaft 103 from falling out of the insertion opening 28. The door body 4 having the other hinge member 8 is smoothly opened and closed about the center axis 103 of the support arm 10 of the one hinge member 7 fixed to the vertical frame 1.

As described above, one of the hinge members 7
When the other hinge member 8 is connected to the support 27, the insertion opening 28 for inserting the rotation center shaft 103 is formed at the rear portion of the support 27 so as to be opened.
3 is easily connected and supported in the support 27 with one touch by horizontally moving forward from the insertion port 28 at the rear of the support 27.

When the door 4 to which the other hinge member 8 having the rotation center shaft 103 rotatably connected and supported to the support 27 of the one hinge member 7 is fixed is opened, the door 4 is opened. A large load is applied to the free end of the body 4 (the side to which the handle for opening and closing the door is attached), and the load is concentrated on the rotation center shaft 103 and supported by the rotation center shaft 103. Body 27
Even if a situation where the front side of the
Since the 54 is disposed at the rear of the support 27, the pivoting center shaft 103 does not strongly push the opening / closing body 54 at the rear of the support 27 due to the load.
An unexpected situation in which the rotation center shaft 103 is disengaged from 27 is prevented.

When the pivot shaft 103 is to be removed from the support 27, the fixing screw 64 of the opening / closing member 54 is turned to retract from the insertion opening 28, and the opening / closing member 54 is moved to the large and small coil springs 46,
The large and small coil springs 46 and 65 are compressed and the spring holder 44 is raised by raising the insertion opening 28 to a large extent against the 65, and the large-diameter coil spring in the spring holder 44 is raised. At 46, the upper end of the operation lever 67 is pushed.

The operation lever 67 is used as a support block.
The operation lever 67 is rotated about the support shaft 66 in the opposite direction to the above-described case, and the support projections 71 and the operation portion 74 on both sides of the operation lever 67 project toward the insertion port 28. Then, the engaging steps 60 on both sides of the raised opening / closing body 54 are engaged and supported on the support surfaces 72 of the supporting projections 71 on both sides of the operation lever 67, and the opening / closing body 54 is inserted. Locked with mouth 28 open. Further, an operation portion 74 at the lower end of the operation lever 67 is projected into the support recess 32 to prepare for insertion and support of the rotation center shaft 103 into the support recess 32 of the support 27.

Next, after the door 4 has been set in the doorway 2 so that it can be opened and closed freely, if it is necessary to adjust the installation of the door 4, first, the upper part of the door 4 is installed in the left and right direction. In the case of the adjustment, the support arm 10 having the support 27 is adjusted to the set angle in the left-right direction with respect to the support fitting 9 of the one hinge member 7 of the top pivot mechanism 5. That is,
A screw head 20 that loosens upper and lower screws 24 connecting the support arm 10 to the support fitting 9 and advances and retreats the intermediate adjustment screw 19 to support the opening edge of the communication hole 26 in the intermediate portion of the support arm 10. And the position of the flange 21 is adjusted and set. Then, by tightening the upper and lower screws 24 again, the upper and lower screws 24 are tightened.
The base end of the support arm 10 is clamped in a state in which the support 27 is adjusted to the right and left by the screw head 20 and the flange 21 of the adjustment screw 19 and the rotation, and the rotation supported by the support 27 is fitted. The upper part of the door body 4 can be easily installed and adjusted in the left-right direction via the central shaft 103.

When the lower part of the door body 4 is to be installed and adjusted in the left-right direction, the support arm 110 having the rotation center axis 114 is attached to the support fitting 109 of one hinge member 107 of the bottom pivot mechanism 6. Adjust the set angle horizontally. In this case, the connection structure between the support member 109 and the support arm 110 is the same as the connection structure between the support member 9 of the one hinge member 7 of the top pivot mechanism 5 and the support arm 10 having the support 27. The support arm 110 is constructed in the same manner as in the case where the upper part of the door body 4 is installed and adjusted in the left-right direction.
The lower part of the door body 4 can be easily installed and adjusted in the left-right direction by adjusting the angle of the door.

When the upper part of the door 4 is to be installed and adjusted in the front-rear direction, the interlocking arm 77 having the rotation center axis 103 is attached to the mounting bracket 76 of the other hinge member 8 of the top pivot mechanism 5. By moving back and forth in the front-rear direction, the set position of the rotation center shaft 103 is adjusted back and forth. That is, the upper and lower adjusting screws 106 of the mounting bracket 76 are relaxed, and the upper and lower adjusting screws 106 are loosened.
The interlocking arm 77 is attached to the mounting bracket 76 with the upper and lower adjustment holes 99,
Move forward and backward within the range of 100 and rotate center axis
Adjust and set the position of 103 in the front and rear direction. Then, the upper and lower adjustment screws 106 are tightened again to the mounting bracket 76, so that the interlocking arm 77 is fixed in a state where the position of the rotation center shaft 103 is adjusted and set. The upper part of the door body 4 is easily installed and adjusted in the front-rear direction.

When the lower part of the door body 4 is installed and adjusted in the front-rear direction, the interlocking arm 116 having the engaging body 117 is attached to the mounting bracket 115 of the other hinge member 108 of the bottom pivot mechanism 6 in the front-rear direction. To adjust the set position of the engagement body 117 back and forth. In this case, the connection structure between the mounting bracket 115 and the interlocking arm 116 having the engaging body 117 is the mounting bracket 76 of the other hinge member 8 of the top pivot mechanism 5.
And the connecting structure with the interlocking arm 77 having the rotation center shaft 103 has the same structure, so that the interlocking arm 11 can be easily installed and adjusted in the front-rear direction by simply mounting the upper part of the door 4 in the front-back direction.
The lower part of the door body 4 can be easily installed and adjusted in the front-rear direction by moving the 6 forward and backward within the range of the upper and lower adjustment holes 99, 100.

Further, when the door body 4 is to be installed and adjusted in the vertical direction, the engaging body 11 provided at the distal end of the interlocking arm 116 is used.
7 is removed, and the turning operation part 126 of the adjusting screw 125 is turned to move the adjusting screw 125 forward and backward, whereby the turning center shaft 114 of one hinge member 107 is moved by the adjusting screw 125. The bearing body 123 supported on the upper end of the shaft is adjusted up and down. When the bearing 123 is adjusted downward, the door 4 is moved upward to adjust the installation. When the bearing 123 is adjusted upward, the door 4 is moved downward to adjust the installation. Is done.

In this way, the door body 4 can be easily installed and adjusted in the front-rear direction, the left-right direction, and the up-down direction as needed. The door body 4 is smoothly opened and closed by the top pivot mechanism 5 and the bottom pivot mechanism 6.

[0085]

According to the present invention, the door can be selectively opened and closed in a right-opening state or a left-opening state according to the state of the doorway, and the door is opened and closed. Usability can be improved, and it is possible to reliably avoid opening and closing the door body while keeping the usability poor. Also, attach the support plate on one side of the interlock arm
From the selected direction of the fixture to the arm mounting part in the thickness direction of the door
By being fixed so that it can be adjusted forward and backward,
Is easily installed and adjusted in the front-rear direction with the door opening left
Can be Further , when the support plate of the interlocking arm is fixed to the arm mounting portion of the mounting bracket and the engaging body of the interlocking arm is projected from one side of the mounting bracket, it is disposed on the other side of the mounting bracket and the other side is covered. because it has a decorative cover that overturn, it is possible to reliably cover the other side of the mounting bracket projecting the engaging member on one side by the decorative cover, interlocking arm
Adjust the back and forth of the support plate on one side of the arm
Even if the end of the support plate is exposed on the other side of the mounting bracket
There is no uglyness, it is difficult for dust and the like to enter the other side of this mounting bracket , and there is no need to remove the dust and the like, and the appearance can be enhanced, and therefore, using a decorative cover
Thus , the design can be improved with a simple configuration as a whole.

[Brief description of the drawings]

FIG. 1 is a front view of a door opening and closing device according to an embodiment of the present invention.

FIG. 2 is a front view in which a part of the top pivot mechanism is cut away.

FIG. 3 is a front view in which a part of the pivot mechanism is cut away.

FIG. 4 is a front view of the mounting bracket.

FIG. 5 is a cross-sectional plan view of the same.

FIG. 6 is a front view of the interlocking arm;

FIG. 7 is a plan view of the same.

FIG. 8 is a cross-sectional plan view of a support fitting supporting the support.

FIG. 9 is a cross-sectional plan view showing a state where the support is adjusted in the left-right direction.

FIG. 10 is a front view of the support fitting.

FIG. 11 is a cross-sectional plan view of the support fitting.

FIG. 12 is a rear view of the above-described support fitting.

FIG. 13 is a side view of the same.

FIG. 14 is an exploded perspective view of the support.

FIG. 15 is a cross-sectional plan view of the same.

FIG. 16 is a perspective view of the support block.

FIG. 17 is a longitudinal sectional view showing a state in which the rotation center axis is inserted into the support member.

FIG. 18 is a vertical cross-sectional view showing a state where the rotation center axis is supported by the support.

FIG. 19 is a cross-sectional plan view of a support bracket having a rotation center axis of the bottom pivot mechanism.

FIG. 20 is a cross-sectional plan view showing a state where the setting position of the support fitting is adjusted.

FIG. 21 is a front view of the support fitting.

FIG. 22 is a plan view of the same.

FIG. 23 is a front view of an interlocking arm of the bottom pivot mechanism.

FIG. 24 is a plan view of the same.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Fixed frame body 4 Door body 7 One hinge member 8 The other hinge member 27 Support body 76 Mounting bracket 77 Interlocking arm 80 Insertion hole as an arm attachment part 90 Decorative cover 94 Insertion plate as a support plate 103 Engagement body 107 One of them Hinge member 108 The other hinge member 114 Support body 115 Mounting bracket 116 Interlocking arm 117 Engagement body

Continuation of the front page (72) Inventor Hideto Sugii 5-6-35 Midoricho, Koganei-shi, Tokyo Inside Murakoshi Seiko Co., Ltd. (56) References JP-A-3-39581 (JP, A) Japanese Utility Model Showa 61- 141474 (JP, U) Jiko 48-12846 (JP, Y2)

Claims (1)

(57) [Claims] A first hinge member fixed to a fixed frame and having a support; and another hinge member fixed to a door and rotatably supported by the support of the one hinge member, The other hinge member has a vertical mounting bracket attached to an end surface of the door body, and an interlocking arm connected to the mounting bracket and supported by the one hinge member. an arm mounting portion for mounting said interlocking arm in a state of selectively projecting either side of both sides in the thickness direction of the door body, the interlocking arm, and the selection of the mounting bracket on one side
In the thickness direction of the door from the direction
With a support plate which is adjustably secured withdrawal, other side to the mounting bracket for the selected are protruded from the side portion engaged rotatably to a support of the one hinge member engaged is supported coalesced When the support plate of the interlocking arm is fixed to the arm mounting portion of the mounting bracket, and the engaging body of the interlocking arm is projected from one side of the mounting bracket, it is disposed on the other side of the mounting bracket. by the door opening and closing device, characterized in that it comprises a decorative cover you cover the other side.