JP2006037420A - Mounting structure of rotating door - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a mounting structure of a rotating door capable of easily installing the rotating door on a frame body. <P>SOLUTION: This mounting structure comprises a mounting part 100a mounted on the frame body 10 and a rotating part 200a mounted on the rotating door 20. The rotating part 200a is rotatably installed on the mounting part 100a. An opening 121a for mounting the rotating part 200a is formed in the mounting part 100a, and a mounting means fitted to the opening 121a in the mounting part 100a and mounting the rotating part 200a on the mounting part 100a is installed on the rotating part 200a. The mounting part 300a comprises an upwardly opening cylindrical body 310a fitted to the opening 213a, a mounting part 320a movably fitted to the cylindrical body 310a, an energizing means 330a energizing the mounting part 320a in a direction projected from the cylindrical body 310a, and a projection preventive member 340a preventing the mounting part 320a from being projected from the cylindrical body 310a. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a rotating door mounting structure for rotatably mounting a rotating door to a frame.

  As an attachment structure of this kind of rotating door, it has an attaching part attached to a frame for attaching the turning door, and a turning part attached to an end of the turning door, and the attaching part There is one in which the rotating part is rotatably attached. In this attachment structure, the attachment portion is attached to the frame body with the turning portion attached to the turning door (see Patent Document 1).

JP 2003-239609 A

  However, in order to attach the attachment portion to the frame body, since the pivot door is attached to the pivot portion, one worker holds the pivot door while another worker holds the attachment portion. Must be attached to the frame. That is, the attaching operation is very difficult.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an attachment structure for a revolving door that can easily attach the revolving door to a frame.

  In order to solve the above-described problems, a rotating door mounting structure according to the present invention includes an attaching portion attached to a frame for attaching the turning door, and a turning portion attached to an end portion of the turning door. And a rotating door mounting structure in which the rotating part is rotatably attached to the attaching part, wherein the attaching part is provided with an opening for attaching the rotating part, The rotating portion is provided with an attaching means that fits into the opening of the attaching portion, and thereby attaches the rotating portion to the attaching portion, and the attaching means is an upper surface provided on the rotating portion. An opening cylinder, a protrusion that is movably provided in the cylinder, protrudes from the opening of the cylinder, and fits into the opening of the mounting portion; and the protrusion protrudes from the opening of the cylinder An urging means for urging in the direction of movement, a part of which abuts on the protrusion, This is a member for preventing the protrusion from protruding from the cylindrical body, and the protrusion has a protrusion prevention member that is movable from a position where the part contacts the protrusion to a position where it does not contact. Yes.

  The protrusion preventing member is a substantially inverted U-shaped member that is rotatably attached to the cylinder so as to straddle the opening of the cylinder, and the bottom surface of the top part comes into contact with the protrusion. Yes.

  Alternatively, the outer peripheral surface of the cylindrical body is provided with a groove portion for locking the protrusion preventing member and a through hole penetrating from the groove portion to the inside, and the protrusion preventing member is engaged with the groove portion. A structure including an engaging portion to be combined, a locking piece that is provided in the engaging portion and is inserted from the through hole and that locks the protruding portion, and a lever portion provided in the engaging portion It can also be.

  In the case of the rotating door mounting structure according to claim 1 of the present invention, the rotating portion is attached to the rotating door, while the attaching portion is attached to the frame. After that, the protrusion of the attachment means provided on the rotating part is aligned with the opening of the attachment part, and in this state, the protrusion prevention member is moved from a position where a part of the protrusion abuts against the protrusion. Let Then, a protrusion part protrudes from a cylinder by the urging | biasing force of an urging means, and it fits in the opening of an attachment part, and, thereby, a rotation part is attached to an attachment part. Therefore, it is very easy to attach the rotating door.

  In the case of the rotating door mounting structure according to claim 2 of the present invention, with the protruding portion of the mounting means aligned with the opening of the mounting portion, the protrusion preventing member is applied to a part of the mounting portion to prevent the protrusion. When the member is tilted (that is, rotated), the protruding portion protrudes from the cylindrical body. For this reason, the attachment of the rotating door becomes easier, and even one person can attach it.

  In the rotating door mounting structure according to claim 3 of the present invention, with the protruding portion of the mounting means aligned with the opening of the mounting portion, the lever portion of the protruding preventing member is applied to a part of the mounting portion. When the projection preventing member is displaced, the latching of the projection preventing member with respect to the protruding portion of the locking piece is released. For this reason, the attachment of the rotating door becomes easier, and even one person can attach it.

  Hereinafter, the attachment structure of the rotating door according to the embodiment of the present invention will be described.

  First, a rotating door mounting structure according to a first embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a schematic front view showing an attachment relationship between a pivot door and a frame of the pivot door attachment structure according to the first embodiment of the present invention, and FIG. 2 shows an upper attachment structure of the attachment structure. FIG. 3 is a front view showing the mounting means of the mounting structure on the upper side in a sectional view, where (a) is a diagram before mounting, (b) is a diagram after mounting, and FIG. 5 is an exploded view of the mounting structure, FIG. 5 is a perspective view of the lower mounting structure of the mounting structure, FIG. 6 is a diagram showing a mounting state of the lower mounting structure, (a) is a longitudinal sectional view, b) is a cross-sectional view, FIG. 7 is a front view showing the height adjustment means of the lower mounting structure in a cross-sectional view, (a) is a figure before adjustment, and (b) is a figure after adjustment. FIG. 8 is an exploded perspective view of the mounting structure.

  The rotating door mounting structure shown in FIG. 1 is a mounting structure in which a rectangular rotating door 20 is rotatably mounted on one vertical frame portion of a rectangular frame 10, and the upper end of the rotating door 20. Attachment structure A for attaching the upper part to the upper end part of the vertical frame part of the frame body 10 and lower attachment structure for attaching the lower end part of the rotary door 20 to the lower end part of the vertical frame part of the frame body 10 B. This will be described in detail below.

  As shown in FIGS. 2, 3, and 4, the upper mounting structure A includes a mounting portion 100 a that is attached to the lower end portion of the vertical frame portion of the frame body 10, and a pivot that is attached to the lower end portion of the pivot door 20. 200a, and the rotation part 200a is rotatably attached to the attachment part 100a.

  The mounting portion 100a is a metal plate material having a substantially L-shape in cross-section, and is a screwing portion 110a screwed to the lower end portion of the vertical frame portion of the frame body 10, and a horizontal portion continuous to the screwing portion 110a. 120a. As shown in FIG. 4, the horizontal portion 120a is provided with an opening 121a into which the attachment portion 300 of the attachment means 300a is fitted.

  As shown in FIG. 4, the rotating portion 200 a includes a base portion 210 a that is rotatably attached to the attaching portion 100 a, and a frame body that is disposed on the base portion 210 a and that is the lower end portion of the rotating door 20. A fitting portion 220a that fits into a recess (not shown) provided in the facing portion, and a moving means that makes this fitting portion 220a movable in the thickness direction and the width direction of the rotating door with respect to the base portion 210a. 230a.

  The base portion 210a is a metal plate, and is provided with a convex portion 211a that fits into the engaging portion 223a of the fitting portion 220a at one end portion. A pair of slits 212a and 212a into which the fixed portion 232a of the moving means 230a is fitted are formed at the center of the base portion 210a. Furthermore, the other end portion of the base portion 210a is formed in a wing shape, and an opening 213a to which the attachment means 300a is attached is provided.

  The fitting portion 220a is an internal hollow rectangular case body having an open bottom surface, and the first and second screw portions 235a and 233a of the moving means 230a penetrate in the longitudinal direction of the fitting portion. Therefore, the first hole portions 221a and 221a into which the first screw portions 235a are inserted and the first hole portions 221a and 221a are positioned on both side surfaces in the longitudinal direction of the fitting portion 220a. In addition, second holes 222a and 222a into which the second screw portion 233a is inserted are provided. The second hole portion 222a is a long hole extending in the end direction of the fitting portion. The reason why the second holes 222a and 222a are elongated holes is that the second screw part 233a does not prevent the fitting part 220a due to the rotation of the first screw part 235a described later from moving in the thickness direction of the rotary door. It is for doing so.

  Further, an engaging portion 223a into which the convex portion 211a of the base portion 210a is fitted is provided on one side surface of the fitting portion 220a in the end-hand direction. The engaging portion 223a is a rectangular long hole extending in the longitudinal direction of the fitting portion, and the convex portion 211a is movable inside (see FIG. 2).

  The fitting portion 220a is cut and raised so that a part of the upper surface thereof is horizontal with one side surface in the longitudinal direction of the fitting portion, and the standing portion 224a is screwed to the end surface of the lower end portion of the rotary door 20. (See FIG. 2). Further, the fitting portion 220a is provided with a screwing portion 225a that protrudes in parallel with the upper surface at the lower end of the other side surface in the longitudinal direction. The screwing portion 225a is screwed to the bottom surface of the lower end portion of the rotary door 20 (see FIG. 2).

  As shown in FIG. 4, the moving means 230a has a rail portion 231a having a rail 2311a facing obliquely with respect to the width direction of the rotary door 20, and the rail portion 231a is fixed to the base portion 210a of the rotary portion 200a. A fixing portion 232a, a fitting portion 220a, a rail portion 231a, a second screw portion 233a screwed into the fixing portion 232a, a movable portion 234a movable on the rail portion 231a, and a fitting It has a first threaded portion 235a that penetrates the joint portion 220a and is screwed into the moving portion 234a (see also FIG. 6).

  The rail portion 231a is a substantially O-shaped component that is angular in side view, and is provided so that one side of each of the triangular sides that are continuous with each other is in contact with each other, thereby obliquely with respect to the width direction of the rotary door 20 The rail 2311a extends in the direction. A rectangular opening is provided on the lower surface of the rail portion 231a. The tip of the fixing portion 232a is inserted into this opening. Moreover, the hole part in which the 2nd screw part 223a is inserted is provided in the both ends of the rail part 231a, respectively.

  The fixing part 232a is a part that is substantially concave when viewed from the side, and is provided with screw holes at both ends. That is, the distal end portion of the fixing portion 232a is inserted into the slit 212a of the base portion 210a, and is screwed into the second screw portion 233a while being inserted into the opening of the rail portion 231a. In this manner, the rail portion 231a is fixed to the base portion 210a, and the rail portion 231a is disposed in the fitting portion 220a.

  The second screw portion 233a is inserted into the second hole portions 222a and 222a of the fitting portion 220a and the hole portions of the rail portion 231a, and is screwed into the screw holes of the fixing portion 232a. When the second screw portion 233a is rotated, the second screw portion 233a moves forward or backward through the screw hole of the fixing portion 232a fixed to the base portion 210a. Along with the movement of the second screw portion 233a, the fitting portion 220a moves on the base portion 210a in the width direction of the rotating door.

  The moving part 234a is a substantially concave-shaped part in a side view, and a groove part 2341a into which the rail 2311a of the rail part 231a is fitted is provided at the lower end part. Holes into which the first screw portions 235a are inserted are provided at both ends of the moving portion 234a. A nut (not shown) is interposed between the holes of the moving part 234a. The nut is screwed into the first screw member 235a, and moves according to the rotation of the first screw member 235a, so that the moving portion 234a is movable.

  The first screw part 235a is inserted into the first hole parts 222a and 222a of the fitting part 220a and the hole part of the moving part 234a and screwed into a nut between the hole parts of the moving part 234a. . By rotating the first screw portion 235a, the moving portion 234a moves along the rail 2311a of the rail portion 231a, and thereby the fitting portion 220a moves in the thickness direction of the rotating door.

  As shown in FIGS. 3 and 4, the attachment means 300a is a mechanism that fits into the opening 213a of the base portion 210a of the rotation portion 200a and attaches the rotation portion 200a to the attachment portion 100a. The attachment means 300a includes a cylindrical body 310a having an upper surface opening that fits into the opening 213a, a protruding portion 320a that is movably fitted into the cylindrical body 310a, and biases the protruding portion 320a in a direction that protrudes from the cylindrical body 310a. A biasing means 330a for preventing the protrusion 320a from protruding from the cylinder 310a, and a pair of spherical parts 350a and 350a for smoothly moving the protrusion 320a within the cylinder 310a. have.

  The cylindrical body 310a includes a cylindrical cylindrical main body 311a having an upper surface opening, and a cylindrical cap 312a attached to the opening of the cylindrical main body 311a. The cylindrical body 311a has a small-diameter portion 3111a provided in the inner back side portion and a large-diameter portion 3122a provided in the inner opening-side portion and continuing to the small-diameter portion 3111a. An opening 3113a from which the rod portion 322a of the protruding portion 320a protrudes is provided on the lower surface of the cylindrical body 311a.

  The protruding portion 320a includes a cylindrical portion 321a having an outer diameter smaller than the diameter of the small diameter portion 3111a of the cylindrical main body 311a, a rod portion 322a that is movably fitted in the cylindrical portion 321a, and the rod portion And a pin portion 323a attached to the tip of the 322a.

  The cylindrical portion 321a is a component that moves together with the rod portion 322a from a storage position pushed into the cylindrical main body 311a by the urging force of the urging means 330a to a protruding position protruding from the cylindrical main body 311a. It can be fitted into the opening 121a of the horizontal portion 120a of the mounting portion 100a in a state where it is located. Thus, the cylindrical part 321a fits into the opening 121a of the horizontal part 120a of the attachment part 100a, so that the rotating part 200a can be attached to the attachment part 100a.

  The rod part 322a is a part that moves inside the cylinder body 311a together with the cylinder part 321a. The rod part 322a moves in the cylinder part 321a by the urging force of the urging means 330a at the protruding position, and the tip part is thereby moved. It protrudes from the cylindrical portion 321a. An attachment hole 3221a for attaching the pin portion 323a is provided at the tip of the rod body portion 322a. In addition, a concave portion 3222a is provided at a position that is covered by the cylindrical portion 321a when the tip portion protrudes from the cylindrical portion 321a at the protruding position at the intermediate portion of the rod portion 322a. The concave portion 3222a is exposed from the cylindrical portion 321a when the protruding tip portion is pushed into the cylindrical portion 321a, whereby the spherical portions 350a and 350a are fitted. Furthermore, an abutting portion 3223a with which the push nut 331a of the urging means 330a abuts is provided below the recess 3222a at the intermediate portion of the rod body portion 322a. The pin portion 323a has an outer peripheral portion whose diameter is increased, and can be brought into contact with the upper end surface of the cylindrical portion 321a.

  The spherical body portions 350a and 350a are steel balls that are movably interposed in the length direction of the cylindrical body between the rod body portion 322a of the protruding portion 320a and the inner peripheral surface of the cylindrical body 311a. In the spherical body portions 350a and 350a, the cylindrical body portion 321a and the rod body portion 322a are located at the protruding position, and the tip end portion of the rod body portion 322a protrudes from the cylindrical body portion 321a (that is, the cylindrical body portion 321a is In a state of covering the concave portion 3222a of the rod body portion 322a), it is located between the side surface of the contact portion 3323a of the rod body portion 322a and the step portion between the small diameter portion 311a and the large diameter portion 312a of the cylindrical body 310a. . That is, the spherical body portions 350a and 350a are locked to the step portion between the small diameter portion 311a and the large diameter portion 312a of the cylindrical body 310a, and come into contact with the lower end surface of the cylindrical body portion 321a, so that the cylindrical body portion 321a is cylindrical. The body 310a is not inadvertently pulled into the body 310a. When the tip of the rod body portion 322a is pressed toward the storage position from this state and the rod body portion 322a is moved toward the storage position in the cylindrical body portion 321a, the concave portion 3222a of the rod body portion 322a is exposed. Then, the spherical portions 350a and 350a are fitted into the recess 3222a. As a result, the rod body portion 322a and the spherical body portions 350a and 350a can move within the small diameter portion 311a of the cylindrical body 310a, and the rod body portion 322a and the cylindrical body portion 321a can be moved toward the storage position. .

  The urging means 330a is fitted inside the cylindrical body 310a and is arranged inside the cylindrical body 310a and a ring-shaped push nut 331a that abuts against the abutting portion 3223a of the rod body portion 322a of the protruding portion 320a. And a coil spring 332a that urges the nut 331a toward the opening of the cylindrical body 310a. The coil spring 332a biases the rod body portion 322a via the push nut 331a, and biases the cylindrical body portion 321a via the rod body portion 322a and the spherical body portions 350a and 350a.

  The protrusion preventing member 340a is a substantially inverted U-shaped component, and is rotatably attached to the cap 312a so as to straddle the opening of the cap 312a. When the protrusion preventing member 340a is standing, the pin portion 323a at the tip of the rod-shaped portion 332 of the protruding portion 320a abuts against the lower surface portion of the top portion, thereby preventing the protruding portion 320a from protruding. When the protrusion preventing member 340a is tilted from the standing state (that is, a part of the protrusion preventing member 340a is in contact with the protruding part 320a) (that is, rotated to a position where a part of the protrusion preventing member 340a does not contact the protruding part 320a), the protruding part 320a protrudes. To do.

  As shown in FIG. 5, the lower mounting structure B has substantially the same configuration as the upper mounting structure A, and a different part is provided with a height adjusting means 240b instead of the mounting means 300a. It is. Hereinafter, the height adjusting unit 240b will be described in detail, and the description of overlapping portions will be omitted.

  The height adjusting means 240b includes a cylindrical body 241b that is attached to the opening 213b of the base portion 210b and has a screw groove formed therein, a screw member 242b that is screwed into the cylindrical body 241b, and a cap 243b that covers the cylindrical body 241b. have.

  The cylindrical body 241b is a cylindrical body, and a groove portion 2411b is formed on the peripheral surface along the length direction of the rotating door (see FIG. 8).

  As shown in FIG. 7, the screw member 242b is a component having a substantially inverted concave shape in cross section, and the rotation shaft 101b of the attachment portion 100b inserted from the lower opening of the cylindrical body 241b is fitted ( That is, they are in contact with each other. When the screw member 242b is rotated, the cylindrical body 241b moves up and down along the screw member 242b, and the height position of the base portion 210b of the rotating portion 200b with respect to the mounting portion 100b is displaced with this movement. In this way, the height of the support position of the mounting portion 100b with respect to the rotating portion 200b is adjusted. A recess 2421b that communicates with the groove 2411b of the cylindrical body 241b is provided on the peripheral surface of the screw member 242b along the length direction of the rotating door (see FIG. 8).

  As shown in FIGS. 7 and 8, the cap 243b is a resin cap, and is provided with an engagement piece 2431b that can be engaged with the groove 2411b of the cylindrical body 241b and the recess 2421b of the screw member 242b. That is, alignment is performed so that the groove portion 2411b of the cylindrical body 241b and the concave portion 2421b of the screw member 242b communicate with each other, and then the engagement piece 2431b of the cap 243b is aligned with the groove portion 2411b of the cylindrical body 241b and the concave portion 2421b of the screw member 242b. Cover to be engaged. Accordingly, since the screw member 242b is positioned, it is possible to prevent the screw member 242b from rotating due to vibration or the like and inadvertently changing the support position of the mounting portion 100b with respect to the rotating portion 200b.

  The pivot door mounting structure thus configured is attached to the frame 10 and the pivot door 20 as follows. First, the attachment portion 100a of the upper attachment structure A and the attachment portion 100b of the lower attachment structure B are attached to the vertical frame portion of the frame body 10, respectively. On the other hand, the fitting portion 220a of the rotating portion 200a of the upper mounting structure A and the fitting portion 220b of the rotating portion 200b of the lower mounting structure B are fitted into the recess of the rotating door 20, thereby The rotating parts 200 a and 200 b are attached to the rotating door 20.

  Thereafter, the rotating door 20 is held, and as shown in FIG. 7, the rotating shaft 101b of the mounting portion 100b is inserted into the opening 213b of the base portion 210b of the rotating portion 200b of the lower mounting structure B to open the opening. It is made to fit in the screw member 242b of the height adjusting means 240b attached to 213b. Thereby, the rotation part 200b of the lower attachment structure B is attached and supported with the rotation door 20 to the attachment part 100b.

  And as shown in FIG. 7, the protrusion part 320a of the attachment means 300a attached to the base part 210a of the rotation part 200a of the upper attachment structure A is aligned with the opening 121a of the horizontal part 120a of the attachment part 100a. However, the protrusion preventing member 340a of the attaching means 300a is brought into contact with the horizontal portion 120a and falls down. Then, the protruding portion 320a protrudes by the urging force of the urging means 330a and fits into the opening 121a of the horizontal portion 120a. Thereby, the rotation part 200a of the upper attachment structure A is attached to and supported by the attachment part 100a together with the rotation door 20.

  Then, when performing the position adjustment of the thickness direction of the rotation door with respect to the frame 10 of the rotation door 20, the 1st screw part 235a of the moving means 230a of the upper and lower attachment structures A and B, 230b, Each of 235b is rotated. Then, the moving parts 234a and 234b screwed to the first screw parts 235a and 235b move on the rails 2311a and 2311b of the rail parts 231a and 231b, respectively, and thereby the fitting parts 220a and 220b are turned on the rotary door 20. And move in the thickness direction of the revolving door (see FIG. 6).

  When adjusting the position of the revolving door 20 in the width direction of the revolving door 20 with respect to the frame body 10, the second screw portions 233a and 233b of the moving means 230a and 230b of the upper and lower mounting structures A and B are provided. Rotate each one. Then, the second screw portions 233a and 233b move forward or backward through the screw holes of the fixing portions 232a and 232b, and the fitting portions 220a and 220b together with the rotary door 20 are moved by the movement of the second screw portions 233a and 233b. It moves in the thickness direction of the revolving door (see FIG. 6).

  When adjusting the position of the revolving door 20 in the width direction of the revolving door 20 with respect to the frame 10, the cap 243b of the height adjusting means 240b of the lower mounting structure B is removed, and the screw member 242b is rotated. Accordingly, the screw member 242b moves forward or backward in the cylindrical body 241b, and the base portion 210b of the rotating portion 200b to which the cylindrical body 241b is attached moves in a direction away from or closer to the attachment portion 100b (FIG. 7 See).

  In such a rotating door mounting structure, the protruding portion of the mounting means 300a of the upper mounting structure A in a state where the rotating portion 200b of the lower mounting structure B is mounted to the mounting portion 100b together with the rotating door 20. While aligning 320a with the opening 121a of the horizontal portion 120a of the attachment portion 100a, the protrusion preventing member 340a of the attachment means 300a is brought into contact with the horizontal portion 120a and falls down. Thereby, since the protrusion part 320a fits in the opening 121a of the horizontal part 120a, and the rotation door 20 can be attached to the frame 10, the attachment of the rotation door 20 becomes very easy. Moreover, since the protrusion preventing member 340a is brought into contact with the horizontal portion 120a and tilted, and the protrusion protrudes thereby, the turning door 20 can be attached by one person.

  Next, a rotating door mounting structure according to a second embodiment of the present invention will be described with reference to the drawings. FIG. 9 is a front view of the height adjusting means of the upper mounting structure of the pivot door mounting structure according to the second embodiment of the present invention in a cross-sectional view, wherein (a) is a view before adjustment. (B) is a view after adjustment, FIG. 10 is a view showing the upper end of the base of the height adjustment means of the upper mounting structure, (a) is a plan view, and (b) is a cross-sectional view of the left half. FIG. 11 is a view showing the upper end portion of the attachment portion of the height adjustment means of the upper attachment structure, wherein (a) is a plan view and (b) is a cross-sectional view of the left half. It is a front view.

  The mounting structure of the revolving door described here has almost the same configuration as the mounting structure of the first embodiment. The difference is the attachment means of the upper attachment structure A. Hereinafter, this attachment means will be described in detail, and the description of overlapping parts will be omitted. Here, the reference numeral of the attaching means is 400a.

  The attachment means 400a shown in FIG. 9 is a cylinder 410a having an upper surface opening that fits into the opening 213a of the base part 210a of the rotating part 200a, and is movably fitted into the cylinder 410a, and an upper end of the cylinder 410a. A protrusion 420a that can protrude from the opening, an urging means 430a that urges the protrusion 420a in a direction to protrude from the cylinder 410a, and a protrusion prevention member 440a that prevents the protrusion 420a from protruding from the cylinder 410a. And have.

  The cylindrical body 410a has a cylindrical base portion 411a that fits into the opening 213a of the base portion 210a of the rotating portion 200a, and a cylindrical body main body 412a that fits into the lower end portion of the base portion 411a. An opening 4121a into which the lower end portion of the rod-like portion 422a of the projecting portion 420a can be inserted is provided on the lower surface of the cylindrical body 412a. A lower cap 413a that covers the opening 4121a is attached to the lower end of the cylindrical body 410a.

  As shown in FIGS. 9 and 10, the base 411 a is a cylindrical lid whose lower end fits into the cylindrical body 412 a, and the engagement portion 441 a of the protrusion preventing member 440 a is formed on the peripheral surface of the upper end. A groove 4111a to be fitted is formed. The base 411a has a through hole 4112a penetrating from the groove 4111a to the inside. The locking piece 442a of the protrusion preventing member 440a is fitted into the through hole 4112a and locked. Further, a step portion 4113a for locking the protruding piece 4212a of the protruding portion main body 421a of the protruding portion 420a is provided on the inner peripheral surface of the base portion 411a.

  As shown in FIGS. 9 and 11, the protruding portion 420a has a protruding portion main body 421a having a substantially inverted U shape in cross section and a rod-shaped portion 422a attached to the protruding portion main body 421a. A locking groove 4211a for locking the locking piece 442a of the protrusion preventing member 440a is provided at the upper end of the protruding portion main body 421a. In addition, a protruding piece 4212a that protrudes outward over the outer peripheral surface is provided at the lower end of the protruding portion main body 421a. The protruding piece 4212a is locked to the stepped portion 4113a of the base portion 411a, thereby preventing the protruding portion 420a from dropping from the base portion 411a. An attachment hole 4213a for attaching the rod-like portion 422a is provided on the upper end surface of the protruding portion main body 421a.

  The rod body portion 422a is a component that is attached to the mounting hole 4213a of the protruding portion main body 421a and moves in the cylindrical body 412a together with the protruding portion main body 421a. The lower end portion of the rod-like portion 422a can protrude from the opening 4121a of the cylindrical body 412a in accordance with the movement.

  The urging means 430a is a coil spring and is accommodated in the protrusion main body 421a. That is, it is interposed between the protruding portion main body 421a and the cylindrical body 410a, and is biased in a direction in which the protruding portion main body 421a protrudes from the base portion 411a.

  The protrusion preventing member 440a includes a substantially C-shaped engaging portion 441a engaged with the groove portion 421 of the protruding portion main body 421a, a locking piece 442a provided at the center of the engaging portion 441a, and an engaging portion. And a lever portion 443a erected vertically from 441a. The engaging portion 441a is engaged with the groove portion 421 of the base portion 411a, and the locking piece 442a is inserted into the through hole 4112a of the base portion 411a and locked to the locking groove 4211a of the protruding portion 420a (ie, the protrusion preventing member). Part of 440a (the locking piece 442a) is in contact with the protrusion 420a). Thereby, it can prevent that the protrusion part 420a protrudes from the base part 411a.

  When attaching the rotation part 200a to the attachment part 100a using such attachment means 400a, as shown in FIG. 9, the protrusion part 420a is aligned with the opening 121a of the horizontal part 120a of the attachment part 100a while protruding. The lever portion 443a of the prevention member 440a is brought into contact with the horizontal portion 120a and moved to the left in the figure. Then, the engagement between the locking piece 442a of the protrusion preventing member 440a and the locking groove 4211a of the protrusion 420a is released (that is, a part of the protrusion preventing member 440a (the locking piece 442a) does not contact the protrusion 420a. The protrusion 420a protrudes by the urging force of the urging means 430a and fits into the opening 121a of the horizontal portion 120a. Thereby, the rotation part 200a of the upper attachment structure A is attached to and supported by the attachment part 100a together with the rotation door 20. Then, the lower cap 413a is attached to the lower end part of the cylinder 410a.

  Even with such a rotating door mounting structure, the same effect as in the first embodiment can be obtained. Moreover, the use of the attachment means 400a instead of the attachment means 300a is very advantageous in reducing the cost because the number of parts can be reduced.

  About the attachment structure of this rotation door, it has the attachment part attached to the frame for attaching a rotation door, and the rotation part attached to the edge part of a rotation door. An attachment structure of a pivot door that is pivotably attached to the attachment portion, wherein the attachment portion is provided with an opening for attaching the pivot portion, and the attachment portion includes the attachment portion. There are provided attachment means for fitting into the opening, thereby attaching the rotating part to the attaching part. The attaching means includes a cylindrical body of the upper surface opening provided in the rotating part, and the cylindrical body. And a urging means for urging the protrusion in a direction in which the protrusion protrudes from the opening of the cylinder. A part of the projection abuts against the projection, It is possible to change the design as long as it has a protrusion preventing member that prevents protrusion from the cylindrical body and is movable from a position where the part abuts against the protrusion to a position where it does not contact. Absent.

  The cylinders 310a and 410a of the attachment means 300a and 400a are fitted into the opening 213a of the rotating part 200a, but may be provided integrally with the rotating part 200a. The cylinders 310a and 410a only need to have cylinder bodies 311a and 412a, and whether or not the cap 312a and the base 411a are provided is arbitrary. As the protrusions 320a and 420a, any members may be used as long as they are members that are movably fitted into the cylinders 310a and 410a. As for the protrusion preventing members 340a and 440a, a part is in contact with the protruding part, thereby preventing the protruding part from protruding from the cylindrical body, and the part is in contact with the protruding part. Any member may be used as long as it is a member that can move to a position where it does not come into contact.

  That is, providing the moving means 230a, 230b and the height adjusting means 240b in the rotating door mounting structure is optional and may not be provided.

  Here, the upper mounting structure A and the lower mounting structure B having different structures are used, but it is only necessary to use a mounting structure having mounting means on at least one side.

It is a typical front view which shows the attachment relationship with the rotation door and frame of the attachment structure of the rotation door which concerns on the 1st Embodiment of this invention. It is a perspective view of the upper attachment structure of the attachment structure. It is the front view which showed the attachment means of the attachment structure of the same upper side by sectional drawing, (a) is the figure before attachment, (b) is the figure after attachment. It is an exploded view of the attachment structure of the same upper side. It is a perspective view of the lower attachment structure of the attachment structure. It is a figure which shows the attachment state of the attachment structure of the lower side, Comprising: (a) is a longitudinal cross-sectional view, (b) is a cross-sectional view. It is the front view which showed the height adjustment means of the attachment structure of the lower side with sectional drawing, (a) is the figure before adjustment, (b) is the figure after adjustment. It is a disassembled perspective view of the attachment structure. It is the front view which showed the height adjustment means of the attachment structure of the upper side of the attachment structure of the rotation door which concerns on the 2nd Embodiment of this invention with sectional drawing, (a) is the figure before adjustment, (b ) Is the figure after adjustment. It is a figure which shows the upper end part of the base of the height adjustment means of the same upper mounting structure, Comprising: (a) is a top view, (b) is the front view which showed the left half with sectional drawing. It is a figure which shows the upper end part of the attachment part of the height adjustment means of the same upper attachment structure, Comprising: (a) is a top view, (b) is the front view which showed the left half with sectional drawing.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Frame 20 Rotating door 100a, 100b Mounting part 200a 200b Rotating part 220a, 220b Fitting part 300a, 400a Mounting means

Claims (3)

An attachment portion attached to a frame for attaching the turning door and a turning portion attached to an end portion of the turning door are provided, and the turning portion is rotatably attached to the attachment portion. In the mounting structure of the revolving door,
The attachment portion is provided with an opening for attaching the rotating portion,
The rotating part is provided with an attaching means that fits into the opening of the attaching part, and thereby attaches the rotating part to the attaching part. The attaching means is provided in the rotating part. A cylindrical body having an opening on the top surface, a projecting portion that is movably provided in the cylindrical body and that projects from the opening of the cylindrical body and fits into the opening of the mounting portion; and the projecting portion that extends from the opening of the cylindrical body A biasing means for biasing in the projecting direction, a part of which is in contact with the projecting part, thereby preventing the projecting part from projecting from the cylindrical body, and the part of the projecting part on the projecting part; A pivot door mounting structure comprising a protrusion preventing member that is movable from a contact position to a non-contact position.   The pivot door mounting structure according to claim 1, wherein the protrusion preventing member is a substantially inverted U-shaped member that is pivotably attached to the cylinder so as to straddle the opening of the cylinder. The rotating door mounting structure is characterized in that the lower surface portion of the door contacts the protruding portion.   2. The rotating door mounting structure according to claim 1, wherein a groove portion for locking the protrusion preventing member and a through-hole penetrating from the groove portion to the inside are provided on the outer peripheral surface of the cylindrical body. The protrusion preventing member is engaged with the groove, an engaging piece provided in the engaging portion and inserted through the through-hole to lock the protruding portion, and the engagement A rotating door mounting structure comprising a lever portion provided on the portion.

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