JP2011063946A - Door device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a door device capable of properly preventing a door body from being inclined in a vertical direction. <P>SOLUTION: This door device 1 includes upper and lower guiding bodies 11 and 12 which face each other in the state of being separated from each other, and the door bodies 21 and 22 which move along both the guiding bodies 11 and 12. The door bodies 21 and 22 are provided with engaging means 41 and 141. The upper guiding body 11 is provided with an engaging retainer means for being engaged with the engaging means 41 and 141. The door bodies 21 and 22 are provided with inclination prevention means 71 and 171 for preventing the door bodies 21 and 22 from being inclined in the vertical direction when the engaging means 41 and 141 abut on the engaging retainer means during the movement of the door bodies 21 and 22 in a closing direction. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a door device that can appropriately prevent the door body from being inclined in the vertical direction.

  Conventionally, for example, a door device described in Patent Document 1 is known.

  The conventional door device has an upper guide body and a lower guide body that are spaced apart from each other, and moves in the opening direction while being guided by the upper guide body and the lower guide body to open an opening, thereby opening the upper guide body and the lower guide body. Provided in the upper guide body, a door body that moves in the closing direction while being guided by the guide body and closes the opening, an engagement means such as an engagement pin protruding from the upper end of the door body And an engagement receiving means such as a sliding door closer that engages with the engagement means.

Japanese Patent No. 4282666 (FIG. 1)

  However, in the above-described conventional door device, the door body moves in the vertical direction when the engagement means comes into contact with the engagement receiving means when the door body moves in the closing direction due to, for example, a clearance based on a manufacturing error or an assembly error. As a result, there is a risk that, for example, the door body may fluctuate up and down.

  This invention is made | formed in view of such a point, and it aims at providing the door apparatus which can prevent appropriately that a door body inclines to an up-down direction.

  The door device according to claim 1, wherein the upper guide body and the lower guide body, which are spaced apart from each other, move in the opening direction while being guided by the upper guide body and the lower guide body, thereby opening the opening, A door body that moves in the closing direction while being guided by the upper guide body and the lower guide body and closes the opening, engagement means provided on the door body, and engagement with the engagement means An engagement receiving means that is provided on the door body, and prevents the door body from being inclined in the vertical direction when the engagement means abuts on the engagement receiving means when the door body is moved in the closing direction. And an inclination prevention means.

  The door device according to claim 2 is the door device according to claim 1, wherein the tilt preventing means is provided at an upper end portion of the door body, and is in contact with the lower surface of the upper guide body when the door body is moved. An upper tilt prevention body that moves along the lower surface of the guide body, and is provided at the lower end of the door body, along the upper surface of the lower guide body in contact with the upper surface of the lower guide body when the door body moves. And a down-tilt prevention body that moves.

  The door device according to claim 3 is the door device according to claim 2, wherein the door body is of a substantially rectangular plate shape, and the upward tilt prevention body includes an upper end portion on the front end side in the opening direction of the door body and the door body. Provided at the upper end of the door body in the closing direction front end, and the downward tilt prevention body is provided at the lower end portion of the door body in the opening direction front end side and the lower end portion of the door body in the closing direction front end side, respectively. Is.

  The door device according to claim 4 is the door device according to claim 2 or 3, wherein at least one of the upper inclination prevention body and the lower inclination prevention body is at least one of a lower surface of the corresponding upper guide body and an upper surface of the lower guide body. And a roller portion that moves along at least one of the rollers while rotating in a state of contact.

  The door device according to claim 5 is the door device according to claim 2 or 3, wherein at least one of the upper inclination prevention body and the lower inclination prevention body is at least one of a lower surface of the corresponding upper guide body and an upper surface of the lower guide body. And a plate portion that slides and moves along at least one of them in a planar contact state.

  The door device according to claim 6 is the door device according to claim 2 or 3, wherein at least one of the upper inclination prevention body and the lower inclination prevention body is at least one of the lower surface of the corresponding upper guide body and the upper surface of the lower guide body. It is comprised only by the substantially flat main-body board part which slides and moves along at least one in the state which contacted.

  According to the first aspect of the present invention, the tilt prevention means is provided on the door body and prevents the door body from tilting in the vertical direction when the engagement means comes into contact with the engagement receiving means when the door body moves in the closing direction. Therefore, it is possible to appropriately prevent the door body from being inclined in the vertical direction.

  According to the second aspect of the present invention, the tilt preventing means is provided at the upper end of the door body and moves along the lower surface of the upper guide body while being in contact with the lower surface of the upper guide body when the door body is moved. The door body has an inclination prevention body and a lower inclination prevention body that is provided at the lower end portion of the door body and moves along the upper surface of the lower guide body in contact with the upper surface of the lower guide body when the door body moves. Can be more appropriately prevented from tilting in the vertical direction.

  According to the third aspect of the present invention, the upper inclination preventing body is provided at the upper end portion of the door body in the opening direction front end side and the upper end portion of the door body in the closing direction front end side, and the lower inclination prevention body is provided in the opening of the door body. Since the door body is provided at the lower end portion on the front end side and the lower end portion on the front end side in the closing direction of the door body, it is possible to appropriately and effectively prevent the door body from being inclined in the vertical direction.

  According to the invention which concerns on Claim 4, since at least one of an upward inclination prevention body and a downward inclination prevention body has a roller part, it can prevent appropriately that a door body inclines in the up-down direction in the roller part.

  According to the fifth aspect of the present invention, since at least one of the upward tilt prevention body and the downward tilt prevention body has the slide plate portion, it is possible to appropriately prevent the door body from being tilted in the vertical direction by the slide plate portion.

  According to the invention which concerns on Claim 6, since at least one of an upward inclination prevention body and a downward inclination prevention body is comprised only by the substantially flat plate-shaped main-body board part, a door body is the up-down direction in the main-body board part. Inclination can be prevented appropriately.

It is a rear view of the door apparatus which concerns on one embodiment of this invention. It is a rear view perspective view of a door device same as the above. It is a front view perspective view of the storage apparatus provided with the same door device. It is a longitudinal cross-sectional view of a door apparatus same as the above. It is a back view perspective view of the inner side door body of a door device same as the above. It is a fragmentary perspective view at the time of the engagement means of a door apparatus same as the above contacting the engagement receiving means. It is a disassembled perspective view of an engagement receiving means same as the above. It is a top view at the time of the buffer action start of an engagement receiving means same as the above. It is a top view at the time of completion | finish of the buffer action of an engagement receiving means same as the above. It is a disassembled perspective view of the roller-type inclination prevention member which is an upper inclination prevention body. It is a perspective view of the plate-shaped inclination prevention member which is a downward inclination prevention body. It is a perspective view of the plate-like plate-shaped inclination prevention member which is an upper inclination prevention body. It is a rear view of the inner side door body of the door apparatus which concerns on other embodiment of this invention. It is a fragmentary perspective view of the door apparatus which concerns on other embodiment of this invention. It is a perspective view of the engagement receiving means of a door device same as the above.

  An embodiment of the present invention will be described with reference to FIGS.

  In the figure, reference numeral 1 denotes a sliding door type door device. This door device 1 is, for example, as shown in FIG. 3, at the front portion of the storage body 3 of a storage device 2 in which a storage object (not shown) is stored. It is attached and constitutes a front door portion of the storage device 2. In the following description, the arrow direction shown in FIG.

  The storage body 3 has a substantially rectangular parallelepiped box shape having a substantially rectangular opening 5 on the front side for inserting / removing an object to / from the storage body 3, and the opening 5 is a door. It is opened and closed by the device 1.

  The storage body 3 includes a pair of left and right side plate portions 6 that are spaced apart from each other, an upper plate portion 7 that connects the upper end portions of the both side plate portions 6, and a lower plate portion that connects the lower end portions of the both side plate portions 6. 8 and a rear plate portion 9 for connecting the rear end portions of the side plate portions 6 to each other.

  The door device 1 is provided with an upper guide body (upper guide rail) 11 and a lower guide body (lower guide rail) 12 that are longitudinally spaced in the left-right direction and are opposed to each other through the opening 5.

  The upper guide body 11 is fixed to the front end portion of the upper plate portion 7 of the storage main body 3. The upper guide body 11 has a long hole-like lower surface opening 13 elongated in the left-right direction, and an internal space portion 14 in the upper guide body 11 opens downward from the lower surface opening 13. The upper guide body 11 has a pair of front and rear guide portions 15 having a longitudinal shape in the left-right direction and having a substantially C-shaped cross-section facing each other. A lower surface opening 13 is located between the horizontal lower plate portion 15a of the front guide portion 15 and the horizontal lower plate portion 15a of the rear guide portion 15. The lower surface of the lower plate portion 15a of the front guide portion 15 and the lower surface of the lower plate portion 15a of the rear guide portion 15 are located on the same plane, and each lower surface is formed in a flat surface shape.

  The lower guide body 12 is fixed to the front end portion of the lower plate portion 8 of the storage body 3. The lower guide body 12 has a pair of front and rear guide portions 16 having a substantially U-shaped cross section that is elongated in the left-right direction and opens upward. The rear upper end portion of the front guide portion 16 and the front upper end portion of the rear guide portion 16 are connected by a horizontal first connecting plate portion 17, and the rear upper end portion of the rear guide portion 16 and the rear The upper end portion of the plate portion 19 is connected by a horizontal second connecting plate portion 18. In addition, the upper surface of the 1st connection board part 17 and the upper surface of the 2nd connection board part 18 are located on the same surface, and each upper surface is formed in flat surface shape.

  Further, the door device 1 moves in the right direction which is the opening direction while being guided by the upper guide body 11 and the lower guide body 12 to open the left half (one side portion) of the opening 5 and An inner door body 21 that is a door body (sliding door) that moves in the left direction that is the closing direction while being guided by the guide body 11 and the lower guide body 12 and closes the left half of the opening 5, and an upper guide While being guided by the body 11 and the lower guide body 12, it moves toward the left, which is the opening direction, to open the right half (the other side portion) of the opening 5, and to the upper guide body 11 and the lower guide body 12. And an outer door body 22 that is a door body (sliding door) that moves toward the right direction, which is the closing direction, and closes the right half of the opening 5 while being guided. That is, as shown in FIG. 4, the door device 1 includes a suspended inner door body 21 and an outer door body 22 that are adjacent to each other in the front-rear direction in a side view.

  The inner door body 21 is a substantially rectangular plate having a longitudinal direction in the vertical direction, and is arranged vertically at a rear position, which is an inner position between the guide bodies 11 and 12.

  At a plurality of positions on the upper end portion of the inner door body 21, that is, for example, at two positions, the inner door body 21 is integrated with the inner door body 21 when the inner door body 21 is moved in the left-right direction. An upper guided body 25 that moves along is provided. That is, the upper end portion of the inner door body 21 moves in the left-right direction while being guided by the upper guide body 11 via the upper guided body 25.

  As shown in FIGS. 4 and 5, the upper guided body 25 includes an attachment portion 27 fixedly attached to the upper end portion of the inner door body 21 with an attachment 26 such as a screw, and the attachment portion 27. A standing plate portion 28 erected so as to protrude upward from the upper surface of the inner door body 21 and inserted into the internal space portion 14 from the lower surface opening 13, and a shaft in the front-rear direction on the standing plate portion 28. And a substantially cylindrical roller portion 30 that is rotatably mounted about 29 and is fitted in the rear guide portion 15. The roller section 30 of the upper guided body 25 moves along the guide section 15 while rotating in the guide section 15 on the rear side of the upper guide body 11.

  At a plurality of locations at the lower end portion of the inner door body 21, that is, for example, two locations, the inner door body 21 is integrated with the inner door body 21 when the inner door body 21 is moved in the left-right direction, and is guided to the rear guide portion 16 A lower guided body 31 is provided that moves along. That is, the lower end portion of the inner door body 21 moves in the left-right direction while being guided by the lower guide body 12 via the lower guided body 31.

  As shown in FIGS. 4 and 5, the lower guided body 31 protrudes downward from the lower surface of the inner door body 21 and is fitted in the rear guide section 16. have. Then, the projecting portion 32 of the lower guided body 31 moves along the guide portion 16 while sliding with respect to the inner surface of the guide portion 16 on the rear side of the lower guide body 12. Both projecting portions 32 are connected by a connecting member 33 having a longitudinal shape in the left-right direction.

  An engagement means 41 is provided in a portion of the upper end portion of the inner door body 21 that is located slightly to the left (close direction side) from the center in the left-right direction. The engaging means 41 includes a mounting portion 43 fixedly attached to the upper end portion of the inner door body 21 with a fixture 42 such as a screw, and projects upward from the upper surface of the inner door body 21 to the mounting portion 43. And an upright plate portion 44 inserted into the internal space portion 14 from the lower surface opening portion 13. An upper end portion of the standing plate portion 44 is an engaging portion 45.

  On the other hand, when the inner door body 21 moves in the closing direction, a buffer such as a sliding door closer that gradually engages with the engaging portion 45 of the engaging means 41 at the end of the closing direction movement and gradually reduces the moving speed of the inner door body 21 in the closing direction. An engagement receiving means 46 is provided in the upper guide 11 in a state of being accommodated in the internal space portion 14 thereof.

  As shown in FIGS. 6 to 9 and the like, the engagement receiving means 46 has a base body 51 that is longitudinal in the left-right direction, and this base body 51 is attached to the upper guide body 11 by a fixture 52 such as a screw. It is fixedly mounted and is located in this upper guide body 11. The base body 51 includes a guide hole portion 53, an engagement receiving convex portion 54, and a guide concave groove portion 55.

  The engagement receiving means 46 includes a base body 51 that is slidably movable in the left-right direction, which is the longitudinal direction of the base body 51, and has a left-right longitudinally movable body 56 positioned in the base body 51. ing.

  A spring recess 57 is formed on the upper surface of the moving body 56. At the right end, which is the longitudinal end of the moving body 56, a hook-like rotating body 61 is provided so as to be able to rotate in the horizontal direction about a vertical shaft 62. The rotating body 61 has a holding concave portion 63 that contacts the engaging portion 45 and holds the engaging portion 45, and an engaging convex portion 64 that engages with the engaging receiving convex portion 54 of the base body 51. ing.

  Further, the engagement receiving means 46 is provided in a state of being pulled between the base body 51 and the moving body 56, and the moving body 56 is unidirectional with respect to the base body 51 in the left direction (door closing direction). It has a coil spring 66 that is a telescopic urging body that urges toward it. The coil spring 66 is fitted into the spring recess 57 of the moving body 56, and the left end portion of the coil spring is fixed to the base body 51.

  The engagement receiving means 46 is provided between the base body 51 and the moving body 56 and moves based on the biasing force of the coil spring 66, that is, the moving speed of the inner door 21 in the closing direction. The shock absorber 67 is a damper means that can expand and contract gradually. The buffer 67 is constituted by, for example, an oil damper, an air damper, or the like. The upper surface opening 68 of the base body 51 is closed with a lid body 69.

  Here, as shown in FIG. 8, when the inner door body 21 moves in the closing direction, the engaging portion 45 of the engaging means 41 enters the guide hole portion 53 of the base body 51 of the engaging receiving means 46, It contacts the holding recess 63 of the rotating body 61. Then, the rotating body 61 is pushed by the engaging portion 45 and rotates to hold the engaging portion 45 by the holding recess 63, and the engaging convex portion 64 of the rotating body 61 is rotated by the rotation of the rotating body 61. The engagement of the base body 51 with the engagement receiving projection 54 is released.

  When the engagement is released, as shown in FIG. 9, the moving body 56 is integrated with the rotating body 61 that holds the engaging portion 45 based on the biasing force (elastic restoring force) of the coil spring 66. The inner door body 21 moves until it is fully closed.

  At this time, the buffer 67 contracts while being pushed by the moving body 56, and the moving speed of the moving body 56 gradually decreases due to the buffering action of the buffer 67. As a result, at the end of the closing movement of the inner door body 21, the closing direction moving speed of the inner door body 21 is gradually reduced based on the engagement between the engaging means 41 and the engagement receiving means 46. Since the door body 21 is slowly closed, the inner door body 21 is prevented from being roughly closed.

  When the inner door body 21 is moved in the opening direction from the fully closed state of the inner door body 21, the moving body 56 moves in the opening direction together with the inner door body 21 against the biasing force of the coil spring 66. Moving. In the middle of this movement, the engaging portion 45 comes out of the holding recess 63 of the rotating body 61 and the engagement between the engaging means 41 and the engagement receiving means 46 is released. At this time, the rotating body 61 rotates, and the engaging convex portion 64 of the rotating body 61 and the engaging receiving convex portion 54 of the base body 51 are engaged.

  Further, when the inner door body 21 is moved in the closing direction, the engaging portion 45 of the engaging means 41 comes into contact with the holding recess 63 of the rotating body 61 of the engagement receiving means 46 during the movement of the inner door body 21. An inclination preventing means 71 for preventing the inner door body 21 from being inclined in the vertical direction is provided.

  The tilt preventing means 71 includes a plurality of two upper tilt preventing bodies 72 provided at the upper end on the front end side in the opening direction and the upper end on the front end side in the closing direction, and the front end side in the opening direction of the inner door body 21. A plurality of two downward tilt prevention bodies 73 provided respectively at the lower end and the lower end on the front end side in the closing direction are provided. In other words, the tilt preventing means 71 is configured by, for example, four left and right and top and bottom tilt preventing bodies (swing prevention parts) 72 and 73 provided in the vicinity of the four corners of the inner door body 21. The tilt prevention bodies 72 and 73 can be adjusted in the vertical position with respect to the inner door body 21.

  The upper tilt prevention body 72 is a roller type that moves along the lower surface of the upper guide body 11 while rotating in contact with the horizontal lower surface of the upper guide body 11 when the inner door body 21 moves in the left-right direction, for example. The tilt prevention member 76 is used.

  The downward tilt prevention body 73 is, for example, made of a resin that slides along the upper surface of the lower guide body 12 in contact with the horizontal upper surface of the lower guide body 12 when the inner door body 21 moves in the left-right direction. The plate-shaped tilt preventing member 77 is used.

  Here, as shown in FIG. 10 and the like, the roller-type tilt prevention member 76 includes an attachment portion 81 attached to the upper end portion of the inner door body 21 in a state of being fitted in the fitting recess 80, and the attachment portion A substantially cylindrical roller portion 82 is attached to 81 so as to be rotatable about a longitudinal axis 83 that is a horizontal direction. The outer peripheral surface of the roller part 82 is formed in a cylindrical surface shape.

  The mounting portion 81 has a mounting plate 84 that is substantially rectangular in the left-right direction, and has a substantially U-shaped cross section that is connected to the longitudinal center of the upper end of the mounting plate 84 via a connecting plate 85 and opens upward. And a roller receiving plate 86 having a letter shape. The roller receiving plate 86 includes a pair of front and rear opposing plate portions 87 that are opposed to each other and rotatably support the roller portion 82 via a shaft 83, and a bottom plate portion 88 that connects the lower end portions of both the opposed plate portions 87 to each other. It consists of and.

  At both ends in the longitudinal direction of the mounting plate 84, a long hole portion 90 having a longitudinal shape is formed. Then, as shown in FIG. 5, a fixture 91 such as a screw is inserted into the long hole portion 90 and screwed into the screw hole portion 92 on the rear surface of the upper end portion of the inner door body 21. 84 is fixedly attached to the rear surface of the upper end portion of the inner door body 21 along the rear surface, and the roller receiving plate 86 is fitted in the fitting recess 80. The roller type tilt prevention member 76 can be adjusted in the vertical position with respect to the upper end portion of the inner door body 21 by releasing the tightening of the fixture 91 within the range of the vertical dimension of the long hole portion 90 of the mounting plate 84. It is.

  Note that a bulging portion 89 is provided at the center in the longitudinal direction of the lower end portion of the mounting plate 84. The bulging portion 89 has a width dimension larger than the width dimension of the fitting recess 80, and prevents the fitting recess 80 from being exposed. That is, even when the vertical position of the roller-type tilt preventing member 76 is set to the upper limit position within the adjustable range corresponding to the long hole portion 90, the fitting recess 80 is not exposed to the outside and is fitted. The entire joint recess 80 is covered and hidden by the mounting plate 84 and the bulging portion 89.

  A substantially circular shaft hole 93 is formed in the upper portion of the mounting plate 84, the upper portions of the opposing plate portions 87 of the roller receiving plate 86, and the central portion of the roller portion 82. The shaft 83 is inserted into the shaft hole 93 of the mounting portion 81 and the shaft hole 93 of the roller portion 82 facing each other, so that the roller portion 82 is opposed to the roller receiving plate 86 of the mounting portion 81. It is rotatably attached to the upper part of the part 87 via a shaft 83.

  The upper portion of the roller portion 82 is located above the upper surface of the inner door body 21 in a state of protruding upward from the upper surface of the inner door body 21, and the upper end 82a of the roller portion 82 is the upper guide body. 11 is in contact with the lower surface of the lower plate portion 15a of the rear guide portion 15. That is, the roller portion 82 is rotated with respect to the mounting portion 81 about the shaft 83 while being in contact with the lower surface of the lower plate portion 15a of the guide portion 15 on the rear side of the upper guide body 11, while the lower plate It moves along the lower surface of the portion 15a.

  As shown in FIG. 11 and the like, the plate-shaped tilt prevention member 77 is configured only by a substantially flat main plate 95 that has a substantially rectangular shape that is slightly longer in the left-right direction. At both ends in the longitudinal direction of the main body plate portion 95, a long hole portion 96 having a vertically long shape is formed.

  Then, as shown in FIG. 5, the fixture 97 such as a screw is inserted into the long hole portion 96 and screwed into the screw hole portion 98 on the rear surface of the lower end portion of the inner door body 21. A portion 95 is fixedly attached to the rear surface of the lower end portion of the inner door body 21 along the rear surface. In addition, within the range of the vertical dimension of the long hole portion 96 of the main body plate portion 95, the plate-shaped tilt prevention member 77 is adjusted in the vertical position with respect to the lower end portion of the inner door body 21 by releasing the tightening of the fixture 97. Is possible.

  Further, the lower surface of the main body plate portion 95 is formed in a curved shape that protrudes downward so as to be positioned downward toward the center in the longitudinal direction. The curved lower surface serves as a contact surface 99 that comes into contact (sliding contact) with the upper surface of the lower guide body 12.

  The lower portion of the main body plate portion 95 is located below the lower surface of the inner door body 21, and the contact surface 99 of the main body plate portion 95 slides with the upper surface of the second connecting plate portion 18 of the lower guide body 12. Contact is possible (sliding contact). That is, the main body plate portion 95 slides along the upper surface of the second connecting plate portion 18 in a state where it is in contact with the upper surface of the second connecting plate portion 18 of the lower guide body 12.

  On the other hand, the outer door body 22, like the inner door body 21, is a substantially rectangular plate having a longitudinal direction in the vertical direction, and is arranged vertically at the front position, which is the outer position between the guide bodies 11 and 12. Has been.

  A plurality of upper end portions of the outer door body 22, that is, for example, two locations, along the guide portion 15 on the front side of the upper guide body 11 together with the outer door body 22 when the outer door body 22 moves in the left-right direction. An upper guided body 125 that moves is provided. That is, the upper end portion of the outer door body 22 moves in the left-right direction while being guided by the upper guide body 11 via the upper guided body 125.

  As shown in FIGS. 4 and 6, the upper guided body 125 is attached to the upper end portion of the outer door body 22 with a fixture 126 such as a screw, like the upper guided body 25 provided on the inner door body 21. A mounting portion 127 that is fixedly mounted, and a standing plate that is erected on the mounting portion 127 so as to protrude upward from the upper surface of the outer door body 22 and is inserted into the internal space portion 14 from the lower surface opening 13 And a substantially cylindrical roller portion 130 that is attached to the standing plate portion 128 so as to be rotatable about a longitudinal axis 129 and is fitted into the front guide portion 15. The roller portion 130 of the upper guided body 125 moves along the guide portion 15 while rotating in the guide portion 15 on the front side of the upper guide body 11.

  At a plurality of locations at the lower end of the outer door body 22, that is, for example, at two locations, the outer door body 22 is integrated with the outer door body 22 and moved along the front guide portion 16 of the lower guide body 12 when moving in the left-right direction. A lower guided body 131 that moves is provided. That is, the lower end portion of the outer door body 22 moves in the left-right direction while being guided by the lower guide body 12 via the lower guided body 131.

  As shown in FIG. 4 and the like, the lower guided body 131 projects downward from the lower surface of the outer door body 22 in the same manner as the lower guided body 31 provided on the inner door body 21, and enters the front guide section 16. A substantially plate-like protrusion 132 is fitted. Then, the protruding portion 132 of the lower guided body 131 moves along the guide portion 16 while sliding with respect to the inner surface of the guide portion 16 on the front side of the lower guide body 12. Both protrusions 132 are connected by a connecting member 133 that is longitudinal in the left-right direction.

  Engaging means 141 is provided in a portion of the upper end portion of the outer door body 22 that is located slightly to the right (close direction side) from the center in the left-right direction. The engaging means 141 includes a mounting portion 143 fixedly attached to the upper end portion of the outer door body 22 with a fixture 142 such as a screw, and projects upward from the upper surface of the outer door body 22 to the mounting portion 143. And an upright plate portion 144 inserted into the internal space portion 14 from the lower surface opening portion 13. The upper end portion of the standing plate portion 144 is an engaging portion 145.

  On the other hand, when the outer door body 22 moves in the closing direction, a buffer such as a sliding door closer that gradually engages with the engaging portion 145 of the engaging means 141 at the end of the closing direction movement and gradually reduces the moving speed of the outer door body 22 in the closing direction. The engagement receiving means 146 is provided in the upper guide body 11 in a state of being housed in the internal space portion 14 thereof.

  The engagement receiving means 146 is the same as the engagement receiving means 46 provided on the inner door body 21, and includes each component member of the engagement receiving means 46 (base body 51, moving body 56, rotating body 61, etc.). The engagement receiving means 46 differs from the engagement receiving means 46 only in that it is arranged symmetrically.

  As for the outer door body 22, the closing direction moving speed of the outer door body 22 is gradually reduced based on the engagement between the engaging means 141 and the engagement receiving means 146 at the end of the closing direction movement of the outer door body 22. As a result, the outer door body 22 slowly closes, so that the outer door body 22 is prevented from being roughly closed.

  Further, the outer door body 22 holds the rotating body 61 of the engagement receiving means 146 in the middle of the movement of the outer door body 22 in the closing direction when the outer door body 22 is moved in the closing direction. Tilt prevention means 171 is provided for preventing the inner door body 21 from being tilted in the vertical direction when contacting the recess 63.

  The anti-tilt means 171 includes a plurality of two upper anti-tilt bodies 172 provided at the upper end on the front end side in the opening direction and the upper end on the front end side in the closing direction, and the front end side in the open direction of the outer door body 22. A plurality of two downward tilt prevention bodies 173 provided respectively at the lower end and the lower end on the front end side in the closing direction are provided. In other words, the tilt prevention means 171 is configured by, for example, four left and right and top and bottom tilt prevention bodies (swing prevention parts) 172 and 173 provided near the four corners of the outer door body 22. The tilt preventing bodies 172 and 173 can be adjusted in the vertical position with respect to the outer door body 22.

  For example, when the outer door body 22 is moved in the left-right direction, the upper inclination preventing body 172 is a plate-like plate that slides along the lower surface of the upper guide body 11 while being in contact with the horizontal lower surface of the upper guide body 11. The tilt prevention member 176 is configured.

  The downward inclination prevention body 173 slides along the upper surface of the lower guide body 12 while being in contact with the horizontal upper surface of the lower guide body 12 when the outer door body 22 moves in the left-right direction, for example. The plate-shaped tilt prevention member 177 is configured.

  Here, as shown in FIGS. 6 and 12, the flanged plate-shaped tilt preventing member 176 includes a main body plate portion 181 having a substantially rectangular shape that is slightly elongated in the left-right direction, and an upper end of the main body plate portion 181. This is a semi-circular slide plate portion that is provided at a right angle with respect to the main body plate portion 181 at the central portion in the longitudinal direction of the portion, protrudes forward, and is positioned horizontally above the upper surface of the outer door body 22. It is comprised with the board part 182. At both ends in the longitudinal direction of the main body plate portion 181, a long hole portion 183 having a vertically long shape is formed.

  Then, a fixture 184 such as a screw is inserted into the long hole portion 183 and screwed into the screw hole portion on the rear surface of the upper end portion of the outer door body 22, whereby the main body plate portion 181 is fixed to the upper end of the outer door body 22. It is fixedly attached to the rear surface of the section along the rear surface. In addition, within the range of the vertical dimension of the long hole portion 183 of the main body plate portion 181, the brazed plate-shaped tilt preventing member 176 is moved vertically relative to the upper end portion of the outer door body 22 by releasing the fastening of the fixture 184. The position can be adjusted.

  Further, the upper surface of the saddle plate portion 182 is formed in a flat surface shape, and the upper surface of the flat surface shape is a contact surface 185 that comes into contact (slidably contact) with the lower surface of the upper guide body 11. And the saddle plate portion 182 is positioned above the upper surface of the outer door body 22, and the contact surface 185 of this saddle plate portion 182 is connected to the lower surface of the lower plate portion 15a of the guide portion 15 on the front side of the upper guide body 11. It is in contact with the surface (sliding contact) so as to be slidable. In other words, the saddle plate portion 182 slides along the lower surface of the guide portion 15 in a state where it is in surface contact with the lower surface of the front guide portion 15 of the upper guide body 11.

  The plate-like tilt preventing member 177 is the same as the plate-like tilt preventing member 177 provided at the lower end portion of the inner door body 21 (see FIG. 11). In other words, the plate-shaped tilt prevention member 177 is configured only by the main body plate portion 95, the long hole portions 96 are formed at both longitudinal ends of the main body plate portion 95, and the lower surface of the lower end portion of the main body plate portion 95 is the contact surface. 99.

  Then, a fitting 97 such as a screw is inserted into the elongated hole portion 96 and screwed into the screw hole portion 98 on the rear surface of the lower end portion of the outer door body 22, whereby the main body plate portion 95 is attached to the outer door body 22. A lower end rear surface is fixedly attached along the rear surface. In addition, within the range of the vertical dimension of the long hole portion 96 of the main body plate portion 95, the plate-shaped tilt prevention member 177 is adjusted in the vertical position with respect to the lower end portion of the outer door body 22 by releasing the fastening of the fixture 97. Is possible.

  The lower portion of the main body plate portion 95 is positioned below the lower surface of the outer door body 22, and the contact surface 99 of the main body plate portion 95 slides with the upper surface of the first connecting plate portion 17 of the lower guide body 12. Contact is possible (sliding contact). That is, the main body plate portion 95 slides along the upper surface of the first connecting plate portion 17 in a state where it is in contact with the upper surface of the first connecting plate portion 17 of the lower guide body 12.

  As shown in FIG. 4, there is a slight gap between the rear surface of the main body plate portion 181 of the brazed plate-shaped tilt preventing member 176 and the front surface of the inner door body 21, and the plate-shaped tilt preventing member 177 There is also a slight gap between the rear surface of the main body plate portion 95 and the front surface of the inner door body 21 so that the inclination preventing members 176 and 177 do not interfere with the inner door body 21.

  A handle 23 is provided at the front end of the inner door 21 in the closing direction, and a handle 24 is also provided at the front end of the outer door 22 in the closing direction.

  Next, the operation of the door device 1 will be described.

  For example, from the fully closed state of the door bodies 21 and 22 shown in FIG. 3, the left half of the opening 5 is opened by placing the hand on the handle 23 and moving the inner door body 21 in the opening direction, which is the right direction. In addition, the right half of the opening 5 can be opened by placing the hand on the handle 24 and moving the outer door body 22 in the opening direction, which is the left direction.

  With respect to the inner door body 21, when the inner door body 21 moves in the closing direction, the engaging means 41 abuts on the engagement receiving means 46, and the closing operation of the inner door body 21 is effected by the buffering action of the engagement receiving means 46. Although the moving speed is gradually decelerated, at this time, there is no problem that the inner door body 21 is inclined in the vertical direction (left-right direction) and the vertical flickering occurs.

  Similarly, with respect to the outer door body 22, when the outer door body 22 moves in the closing direction, the engaging means 141 abuts against the engagement receiving means 146, and the buffering action of the engagement receiving means 146 closes the outer door body 22. Although the direction moving speed gradually decreases, at this time, there is no problem that the outer door body 22 is inclined in the vertical direction (left-right direction) and the vertical flickering occurs.

  Thus, according to the door device 1, the door bodies 21 and 22 are moved in the vertical direction when the engagement means 41 and 141 come into contact with the engagement receiving means 46 and 146 when the door bodies 21 and 22 are moved in the closing direction. Since the tilt prevention means 71, 171 for preventing the tilting of the door body 21, the tilt prevention means 71, 171 can eliminate clearances based on, for example, manufacturing errors or assembly errors, and the door bodies 21, 22 are closed. It is possible to appropriately prevent the door bodies 21 and 22 from tilting in the vertical direction at the end of the movement, so that the door bodies 21 and 22 do not flutter up and down, and the generation of abnormal noise or the like can also be prevented.

  In addition, even when the door bodies 21 and 22 start moving in the opening direction, the tilt prevention means 71 and 171 can appropriately prevent the door bodies 21 and 22 from tilting in the vertical direction, and the door bodies 21 and 22 can be smoothly opened. Can be moved. That is, for example, when the engagement between the engagement means 41 and the engagement receiving means 46 is released, that is, by applying a force in the door opening direction to the handles 23 and 24, the coil spring 66 is resisted against the biasing force. When extended to the maximum, the door bodies 21 and 22 are not inclined in the vertical direction, and the door bodies 21 and 22 can be smoothly moved in the opening direction.

  Further, the tilt prevention means 71 is composed of four right and left tilt prevention bodies 72 and 73 provided in the vicinity of the four corners of the inner door body 21, and the tilt prevention means 171 is the four corners of the outer door body 22. Since it is composed of the four right and left tilt prevention bodies 172 and 173 provided in the vicinity, it is possible to appropriately and effectively prevent the door bodies 21 and 22 from tilting in the vertical direction.

  In the door device 1, for example, as shown in FIG. 13, the upper inclination preventing body 72 is provided only at the upper end of the inner door body 21 in the closing direction, and the lower inclination preventing body 73 is closed to the inner door body 21. The structure provided only in the lower end part of the direction front end side may be sufficient.

  Further, for example, the configuration in which the upper tilt prevention body 172 is provided only at the upper end portion of the outer door body 22 in the closing direction front end and the lower tilt prevention body 173 is provided only in the lower end portion of the outer door body 22 in the closing direction front end side. But you can.

  Further, for example, a configuration in which a plate-like inclination member 77 or a hooked plate-like inclination prevention member 176 is provided at the upper end portion of the inner door body 21 instead of the roller-type inclination prevention member 76 as the upper inclination prevention body 72, the lower inclination prevention body. 73 is a configuration in which a roller-type tilt prevention member 76 and a flanged plate-like tilt prevention member 176 are provided at the lower end of the inner door body 21 instead of the plate-like tilting member 77, and a hooked plate-like tilt as the upper tilt prevention body 172 Instead of the prevention member 176, a roller-type inclination prevention member 76 or a plate-like inclination prevention member 177 is provided at the upper end of the outer door body 22, or as a downward inclination prevention body 173, a roller instead of the plate-like inclination prevention member 177 is used. The structure etc. in which the type | formula inclination prevention member 76 and the brazed plate-shaped inclination prevention member 176 were provided in the lower end part of the outer side door body 22 may be sufficient.

  That is, the three types of tilt preventing members shown in FIGS. 10 to 12 are appropriately used as the upper tilt preventing bodies 72 and 172 and the lower tilt preventing bodies 73 and 173 by changing the shape or the like as necessary. Is possible. For example, when the roller-type tilt preventing member 76 shown in FIG. 10 is used as the lower tilt preventing bodies 73 and 173, it is necessary to increase the axial dimension (width dimension) of the roller portion 82. In addition, for example, when the hooked plate-like tilt preventing member 176 shown in FIG. 12 is used as the lower tilt preventing bodies 73 and 173, the longitudinal dimension (main body of the hook plate portion 182 is set so as not to interfere with the connecting members 33 and 133. It is necessary to reduce the projecting dimension from the plate portion 181.

  Moreover, it is not limited to the structure which has the two door bodies 21 and 22, For example, the structure which has three or more door bodies, the structure which has only one door body, etc. may be sufficient.

  Furthermore, the door bodies 21 and 22 are not limited to the configuration guided by the guide bodies 11 and 12 via the guided bodies 25, 31, 125, and 131. For example, the door bodies 21 and 22 are guided by the guide bodies 11 and 12, respectively. The structure etc. which are directly guided by may be sufficient.

  Moreover, the structure shown in FIG. 14 and FIG. 15 may be sufficient as the door apparatus 1. FIG.

  The engagement means 201 of the door device 1 has an attachment portion 202 fixedly attached to the upper end portion of the inner door body 21 and projects upward from the upper surface of the inner door body 21 to the attachment portion 202. A standing plate portion 203 that is erected and inserted into the internal space portion 14 from the lower surface opening portion 13; and a front and rear round shaft-like engagement shaft portion 204 provided on the standing plate portion 203. Yes.

  Further, unlike the buffer sliding door closer, the engagement receiving means 206 of the door device 1 is different from the engagement shaft portion 204 of the engagement means 201 at the end of the movement in the closing direction when the inner door body 21 is moved in the closing direction. A catch or the like that engages and holds the engagement shaft portion 204.

  The engagement receiving means 206 is a block-shaped attachment portion 207 fixedly attached to the upper guide body 11, and an elastically deformable member that protrudes from the attachment portion 207 and holds and holds the engagement shaft portion 204. It has a pair of upper and lower clamping portions 208 that are substantially elongated plates. The front end side of the opposing surfaces of the both sandwiching portions 208 is configured by an inclined surface 209 so that the distance between the opposing surfaces increases toward the front end. The base end side of the opposing surfaces of both the sandwiching portions 208 is configured by an arcuate surface 210 having a shape corresponding to the outer peripheral surface of the engagement shaft portion 204.

  In this door device 1, when the inner door body 21 moves in the closing direction, the engagement shaft portion 204 of the engagement means 201 enters between the both sandwiching portions 208 of the engagement receiving means 206 and contacts the inclined surface 209. Then, both sandwiching portions 208 are pressed by the engagement shaft portion 204 and elastically deformed once in the expanding direction, and after passing through the engagement shaft portion 204, return to the original shape with an elastic restoring force, The engagement shaft portion 204 is sandwiched from above and below by the arcuate surface 210 of both sandwiching portions 208. The outer door body 22 is also provided with engagement means 201 and engagement receiving means 206. Other configurations are the same as those shown in FIG.

  Even in the door device 1, when the engagement shaft portion 204 of the engagement means 201 contacts the inclined surface 209 of the clamping portion 208 of the engagement receiving means 206 when the door bodies 21 and 22 move in the closing direction. Are provided with tilt prevention means 71 and 171 for preventing the door bodies 21 and 22 from tilting in the vertical direction, and the tilt prevention means 71 and 171 can eliminate a clearance based on, for example, a manufacturing error or an assembly error. The door bodies 21 and 22 can be appropriately prevented from tilting up and down at the end of the closing movement of the door bodies 21 and 22, and the tilt prevention means 71 and 171 can also prevent the door bodies 21 and 22 from starting at the beginning of movement in the opening direction. The door bodies 21 and 22 can be appropriately prevented from being inclined in the vertical direction, and the door bodies 21 and 22 can be smoothly moved in the opening direction.

1 Door device 5 Opening
11 Upper guide
12 Lower guide
21 Inside door that is a door
22 Outside door body
41, 141, 201 Engagement means
46,146,206 engagement receiving means
71,171 Anti-tilt means
72,172 Anti-tilt body
73, 173 Anti-tilt body
82 Roller part
95 Main plate
182 The sliding plate part

Claims (6)

An upper guide body and a lower guide body which are spaced apart from each other;
While being guided by the upper guide body and the lower guide body, it moves toward the opening direction to open the opening, and while being guided by the upper guide body and the lower guide body, it moves toward the closing direction and moves toward the closing direction. A door that closes the opening;
Engagement means provided on the door body;
Engagement receiving means for engaging with the engaging means;
A tilt prevention means provided on the door body, the tilt prevention means preventing the door body from tilting up and down when the engagement means abuts on the engagement receiving means when the door body is moved in the closing direction. A door device characterized by. Anti-tilt means
An upper tilt prevention body that is provided at the upper end of the door body and moves along the lower surface of the upper guide body in contact with the lower surface of the upper guide body when the door body is moved;
And a lower tilt prevention body that is provided at a lower end portion of the door body and moves along the upper surface of the lower guide body while being in contact with the upper surface of the lower guide body when the door body is moved. Item 1. The door device according to Item 1. The door body has a substantially rectangular plate shape,
The upper tilt prevention body is provided at the upper end portion on the front end side in the opening direction of the door body and the upper end portion on the front end side in the closing direction of the door body, respectively.
The door device according to claim 2, wherein the downward tilt prevention body is provided at each of a lower end portion of the door body in the opening direction front end side and a lower end portion of the door body in the closing direction front end side. At least one of the upper inclination prevention body and the lower inclination prevention body has a roller portion that moves along at least one of the corresponding upper guide body while rotating in contact with at least one of the lower surface and the lower guide body. The door device according to claim 2 or 3, wherein At least one of the upper inclination prevention body and the lower inclination prevention body is a slide plate portion that slides along at least one of the lower surface of the corresponding upper guide body and at least one of the upper surfaces of the lower guide body in a state of planar contact. The door device according to claim 2, wherein the door device is provided. At least one of the upper inclination prevention body and the lower inclination prevention body is a substantially flat main plate that slides along at least one of the lower surface of the corresponding upper guide body and at least one of the upper surfaces of the lower guide body. It is comprised only by the part. The door apparatus of Claim 2 or 3 characterized by the above-mentioned.

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