JP2004060321A - Folding revolving door - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a folding revolving door quickly mountable in an opening section of an interlocking strut. <P>SOLUTION: The folding revolving door is so constituted that a door body 4 provided at the inside of an opening section 3 of a wall includes a fulcrum member 13 in the intermediate section in the longitudinal direction of the upper end, an upper rail 12 movably supporting the fulcrum member is set on the lower surface of the upper end of the opening section, pivoting members 30 and 40 are pivoted on both up and down ends so that the interlocking strut 11 having an upper arm 9 and an lower arm 10 on both up and down ends can oscillate with a position near to one side end of the opening section as the fulcrum, a recess section 9a fitting the upward pivoting member 30 therein is formed in the interlocking strut or the upper end face of the upper arm, a leading groove 9' leading the upward pivoting member to the recess section is formed in the upper end face and that the upper arm and the lower arm of the interlocking strut respectively pivot the front end sections on the upper end and the lower end of the door body. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a folding revolving door capable of reducing a space required for opening and closing the door.
[0002]
[Prior art]
2. Description of the Related Art Folding revolving doors have been conventionally known in general, and the present applicant has disclosed an invention relating to a folding revolving door in, for example, Japanese Patent Application Laid-Open No. 2001-288952. As shown in FIGS. 7 and 8, the folding revolving door 70 described in this publication has a door main body 74 that is mounted in the opening 73 so as to be capable of folding and rotating via a folding rotating mechanism 75. The opening 73 includes an upper frame 76, vertical frames 77 a and 77 b on both sides, and a floor 78. In the folding rotation mechanism 75, an interlocking support column 81 having an upper arm 79 and a lower arm 80 at the upper and lower ends is provided so as to interlock with the door body 74, and an upper rail 82 is disposed below the upper frame 76 of the opening 73. A fulcrum member 83 which engages with the upper rail 82 is provided at a longitudinally middle portion of the upper end of the door body 74.
[0003]
The interlocking support 81 is rotatably attached to one vertical frame 77 b of the opening 73 via a hinge 84. The distal ends of the arms 79 and 80 of the interlocking support 81 are pivotally attached to the upper and lower ends of the door body 74 via upper and lower pivot members 85 and 86, respectively. Accordingly, with the opening and closing of the door body 74, the fulcrum member 83 moves along the upper rail 82, and the door body 74 rotates about the pivot members 85 and 86 as fulcrums. , 86, the arms 79, 80 also swing in the horizontal direction, whereby the interlocking column 81 rotates in conjunction with the door body 74.
[0004]
In this case, in addition to the hinge hinge 84, the upper and lower ends of the interlocking support 81 can be pivotally attached to the upper frame, the upper rail, and the floor by hinge pins. For example, the one shown in FIG. 9 is an example of the hinge structure 30 provided at the upper end of the interlocking support 81. The hinge pin 34 held slidably up and down by the hinge pin holding member 35 is The hinge pin 34 is urged downward by a spring 36. A flange 34a is formed at a lower end of the hinge pin 34, and a lower end 34b is provided below the flange 34a. On the other hand, as shown in FIG. 9, the upper end surface 79b of the upper arm 79 is formed flat, and a concave portion 79a is formed in the flat upper end surface 79b, and the concave portion 79a is connected to the lower end portion 94b of the hinge pin 94. Are fitted.
[0005]
[Problems to be solved by the invention]
FIGS. 10A and 10B are views showing a process of attaching the interlocking support 81 to the opening 73 as viewed from the front and side directions. When attaching the interlocking support 81 to the opening 73, it is difficult to perform the work while visually checking the recess 79a. Therefore, as shown in FIGS. 79b is brought into contact with the lower end 94b of the hinge pin 94 to move the interlocking support 81 in the direction of the arrow P in FIG. 10 (a) or the arrow Q in FIG. By moving in the direction, the lower end 94b of the hinge pin 94 is fitted into the recess 79a. The work of attaching the interlocking support 81 as described above depends on the sense of the worker, and thus has a problem that the work is time-consuming.
[0006]
The present invention has been made to solve the above problems, and an object of the present invention is to provide a folding revolving door capable of quickly mounting an interlocking support to an opening.
[0007]
[Means for Solving the Problems]
According to the present invention, the door main body provided in the opening of the wall body has a fulcrum member at the middle portion in the longitudinal direction of the upper end, and the upper rail movably supporting the fulcrum member is provided on the lower surface of the upper end of the opening. The interlocking strut having upper and lower arms at the upper and lower ends is pivotally attached to the upper and lower sides by pivot members so as to swing around a position near one end of the opening as a fulcrum, and the upper pivot member is A concave portion to be fitted is formed on an upper end surface of the interlocking post or the upper arm, and a guide groove for guiding the upper pivoting member to the concave portion is formed in the upper end surface. A folding revolving door is provided, wherein parts are pivotally attached to upper and lower ends of the door body, respectively.
[0008]
In the present invention, the pivot member that pivotally connects the upper portion of the interlocking post to the interlocking post is a shaft member that is vertically movably held while being biased toward the upper end surface of the interlocking post or the upper arm, for example, The one provided with the hinge pin is used.
[0009]
Conventionally, when attaching the interlocking support to the opening, the lower end of the hinge pin of the upper pivot member is pressed against the upper arm upper end or the flat surface of the upper end of the interlocking support and slid, while relying on the sense of the worker performing the work. However, since the lower end of the hinge pin of the upper pivot member is fitted to the recess, there is a drawback that the work is troublesome. However, in the folding revolving door of the present invention, the lower end of the hinge pin of the upper pivot member is fitted. A concave groove is formed on the upper end surface of the interlocking support or the upper arm, and a guide groove for guiding the lower end portion of the hinge pin of the pivot member to the concave portion is formed on the upper end surface. The pivoting member can be easily and reliably guided to the recess by appropriately moving the interlocking column by contacting the lower end of the pivot pin with the hinge pin lower end of the upper pivoting member. Therefore, if the folding revolving door of the present invention is used, the work of attaching the interlocking support to the opening can be performed quickly.
[0010]
In the present invention, the pivoting member that pivotally connects the interlocking strut below may be formed by providing mutually engageable concave and convex portions at opposing positions on the floor upper surface and the interlocking strut lower surface. it can. In addition, it is possible to appropriately determine whether the convex portion is provided on the upper surface of the floor or the lower surface of the interlocking column, and the concave portion is provided on the upper surface of the floor or the lower surface of the interlocking column.
[0011]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.
FIG. 1 is an overall configuration diagram of a folding revolving door showing an embodiment of the present invention, and FIG. 2 is a simplified plan view showing movement of the folding revolving door when opening and closing.
The folding revolving door 1 is configured such that a door body 4 is foldably and rotatably mounted via a folding rotating mechanism 5 in an opening 3. The opening 3 includes an upper frame 6, vertical frames 7 a and 7 b on both sides, and a floor 8. Further, the folding rotation mechanism 5 includes an interlocking support 11 having upper and lower arms 9 and 10 at upper and lower ends, an upper rail 12 disposed on the lower surface of the upper frame 6 of the opening 3, and a longitudinal direction of the upper end of the door body 4. A fulcrum member 13 which is provided at an intermediate portion and is engaged with the upper rail 12 and moves along the upper rail 12 with the folding rotation of the door main body 4; An interlocking support 11 is provided so as to interlock with the door main body 4 and is pivotally attached to each end.
[0012]
As shown in FIG. 1, the interlocking strut 11 having the upper arm 9 and the lower arm 10 at the upper and lower ends is attached to the upper rail 12 of the opening 3 via the hinge structure 30, and the lower end is hinged at the hinge member 40. The arms 9 and 10 swing horizontally in response to the rotation of the interlocking support 11. Although the hinge member 40 is not shown in detail, the hinge member 40 has a convex member fixed on the floor 8, and a concave member fitted to the convex member is opposed to the lower end of the interlocking support 11. The convex member and the concave member are provided so as to fit each other.
The distal ends of the arms 9 and 10 are pivotally attached to the upper and lower ends of the door body 4 via upper and lower pivot members 15 and 16, respectively, so that the door body 4 can be folded and rotated. In addition, the upper and lower pivoting members 15 and 16 are rotated about the fulcrum.
[0013]
FIG. 2 is a simplified plan view showing the movement of the door body 4 when the door body 4 is opened and closed. In FIG. 2, the interlocking support 11 is simply shown at a position where the door body 4 is closed, and the upper arm 9 and the lower arm 9 are shown. The illustration of the arm 10 is omitted. When the door body 4 opens and closes, the interlocking column 11 rotates about the hinge structure 30 and the hinge pin 40, and the upper arm 9 and the lower arm 10 also swing together with the interlocking column 11. At this time, the upper and lower pivoting members 15 and 16 swing while drawing a locus B as shown, the fulcrum member 13 moves straight along the upper rail 12 as shown, and the door body 4 is moved as shown in the figure. Open and close while drawing locus A.
[0014]
The interlocking support 11 has an upper arm 9 and a lower arm 10 at upper and lower ends. The upper end of the interlocking support 19a, that is, the upper end surface of the upper arm 9, is provided with a concave portion 9a and a guide groove 9 'as shown in FIGS. The guide groove 9 ′ is formed by cutting out the upper end surface of the upper arm 9 in a direction orthogonal to the material axis of the upper arm 9, and includes an inclined side surface 9 b and a side surface 9 c formed substantially perpendicularly. , A bottom surface 9d, and a recess 9a is formed substantially at the center of the bottom surface 9d. The recess 9a is formed so that the lower end 34b of the hinge pin of the hinge structure 30 can be fitted therein. 1, 3, 4, and 6, the upper arm 9 and the lower arm 10 are attached to the upper and lower end surfaces of the interlocking support 11. It is possible to In this case, the concave portion 9 a and the guide groove 9 ′ are provided not on the upper surface of the upper arm 9 but on the upper end surface of the interlocking support 11.
[0015]
The hinge structure 30 is provided in the upper rail 12 as shown in FIGS. 3 and 4, and the upper rail 12 has a pair of rail portions 12 b on the lower end side of the mounting portion 12 a fixed to the upper frame 6. Have The hinge structure 30 includes a hinge pin 34 inserted into the concave portion 9a on the upper end surface of the upper arm 9, a spring 36 for urging the hinge pin 34 from above to below, and a hinge pin holding member 35.
The hinge pin 34 includes a lower end 34b for fitting into the recess 9a, and a flange 34a formed above the lower end 34b. The hinge pin holding member 31 has through holes 35a and 35b. The inner diameter of the through hole 35b is slightly larger than the through hole 35a, and a spring 36 having an outer diameter larger than the through hole 35a is accommodated in the through hole 35b, and the hinge pin 34 is inserted from the spring 36 into the through hole 35a. When the washer 33 and the screw 32 are attached to the upper end of the hinge pin 34, the hinge pin 34 is held by the hinge pin holding member 31 so as to be slidable in the vertical direction. The lower end of the spring 36 housed in the through hole 35b contacts the flange 33b to urge the hinge pin 33 downward.
[0016]
Next, a method of attaching the interlocking support 11 to the opening 3 will be described.
When attaching the interlocking support 11 to the opening 3, the position of the hinge pin lower end 34b of the hinge structure 30 is visually confirmed, and as shown in FIGS. 6 (a) and 6 (b), the guide is inserted into the hinge pin lower end 34b. The bottom surface 9d of the groove 9 'is brought into contact. When the interlocking support 11 is moved in the direction of arrow M in FIG. 6A, the hinge pin lower end 34b is guided to the recess 9a while contacting the side surfaces 9b and 9c, and can be fitted into the recess 9a.
Conversely, when removing the interlocking support 11 from the opening 3, a tool such as a flathead screwdriver is inserted through the gap, the tip of the tool is locked to the flange 34 a, and the hinge pin 34 is lifted against the force of the spring 36. When the hinge pin 40 at the lower end of the interlocking support 11 is disengaged, the recess 9a of the upper arm 9 can also be removed from the lower end 34b of the hinge pin, and the interlocking support 11 is removed from the opening 3.
[0017]
The fulcrum member 13 and the upper and lower pivoting members 15, 16 are commonly used.
Although not shown in detail, the fulcrum member 13 may be any member that can be guided by the pair of rail portions 12b and move in the upper rail 12. For example, two fulcrum members that roll in each rail portion 12b are provided. A support member rotatably supporting a total of four rollers, a fulcrum shaft hanging down from a center position of the support member, and a mounting plate fixed to a lower end of the fulcrum shaft. The upper end surface of the door body 4 is screwed. Here, the upper end of the fulcrum shaft is rotatably connected to the support member, and a nut is fixed to the lower surface of the mounting plate in advance by welding, and after screwing the lower end of the fulcrum shaft to the nut, the upper end of the mounting plate is It is fixed by tightening with another screwed nut.
Although the upper pivot member 15 and the lower pivot member 16 are not shown in detail, for example, the upper pivot member 15 is provided with a through hole at the distal end of the upper arm 9, and is provided at the upper end surface of the door body 4. A mounting plate having a through-hole is fixed, and the mounting plate and the through-hole of the upper arm 9 are arranged at opposing positions. Are screwed and fixed so as not to rotate, and the upper end of the shaft member is inserted through the through hole of the upper arm 9 so as to be rotatable.
On the other hand, the lower pivoting member 16 is provided with a convex portion on the upper end of the lower arm 10, and a hole having a shape complementary to the convex portion is provided at a position facing the lower end surface of the door main body 4. It is fitted rotatably.
[0018]
【The invention's effect】
In the folding revolving door of the present invention, the concave portion is provided on the upper end surface of the interlocking support or the upper arm, and the upper end surface is formed with a guide groove for guiding the lower end of the hinge pin of the upper pivot member to the concave portion. When the support is attached to the opening, the lower end of the hinge pin can be easily and reliably fitted into the recess. Therefore, the use of the folding revolving door of the present invention can speed up the work of attaching the door to the opening.
[Brief description of the drawings]
FIG. 1 is an overall configuration diagram showing an embodiment of a folding revolving door of the present invention.
FIG. 2 is a simplified plan view showing the movement of the folding revolving door of the present invention when opening and closing.
FIG. 3 is a cross-sectional view showing a hinged state of a hinge structure and an interlocking support according to the present invention.
FIG. 4 is a cross-sectional view showing a hinge structure and an interlocking support in a state before pivoting according to the present invention.
FIG. 5 is a diagram showing an upper end surface of an upper arm of an interlocking support according to the present invention.
FIGS. 6 (a) and 6 (b) are views of a step of attaching an interlocking post to an opening in the folding revolving door of the present invention, as viewed from the front and side directions.
FIG. 7 is an overall configuration diagram of a conventional folding revolving door.
FIG. 8 is an enlarged horizontal sectional view of a conventional folding revolving door.
FIG. 9 is a cross-sectional view showing an upper end of an interlocking support and a hinge structure in a conventional folding revolving door.
FIGS. 10 (a) and 10 (b) are views showing a process of attaching an interlocking post to an opening in a conventional folding revolving door as viewed from the front and side directions.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Folding revolving door 3 Opening 4 Door body 9 Upper arm 9 'Guide groove 9a Depression 10 Lower arm 11 Interlocking support 12 Upper rail 13 Support point member 15 Upper pivot member 16 Lower pivot member 30 Hinge structure 33 Hinge pin

Claims (1)

The door body provided in the opening of the wall body has a fulcrum member at a middle portion in the longitudinal direction of the upper end, and an upper rail movably supporting the fulcrum member is disposed on a lower surface of an upper end of the opening, and an upper rail is provided on the upper and lower ends. An interlocking strut including an arm and a lower arm is pivotally attached to the upper and lower sides thereof by a pivoting member so as to swing about a position near one end of the opening as a fulcrum. A guide groove is formed on the upper end surface of the support or the upper arm, and a guide groove for guiding the upper pivoting member to the concave portion is formed on the upper end surface, and the upper arm and the lower arm of the interlocking support have distal ends of the door body. A folding revolving door, which is pivotally attached to an upper end and a lower end, respectively.

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