JP5219733B2 - Sliding door device - Google Patents

Description

  The present invention relates to a sliding door device capable of obtaining a smooth movement of a sliding door mounting body.

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

The sliding door device includes a traveling body traveling in the left-right direction, a front and rear guide rail attached to the left end of the traveling body, a cylindrical bearing member attached to the right end of the traveling body, and a front and rear guide rail. A sliding door mounting body having a cylindrical rod that is inserted into the traveling roller and the bearing member and is slidably supported by the bearing member, a sliding door attached to the sliding door mounting body, a traveling body, and a sliding door mounting body. And an urging means for urging the sliding door mounting body rearward.
Japanese Patent Laying-Open No. 2005-23539 (FIGS. 7, 8, etc.)

  However, in the conventional sliding door device, the columnar rod portion of the sliding door mounting body is inserted into the cylindrical bearing member and is slidably supported by the bearing member. There is a risk that the sliding of the sliding door is likely to fail, and the smooth movement of the sliding door mounting body may not be obtained.

  This invention is made | formed in view of such a point, and it aims at providing the sliding door apparatus which can obtain the smooth motion of a sliding door attachment body.

  The sliding door device according to claim 1 travels along the left guide body, a traveling body that travels in the left-right direction, a left guide body and a right guide body that are rotatably attached to the traveling body in the left-right direction. A sliding door mounting body having a left roller and a right roller that travels along the right guide body; a sliding door mounted on the sliding door mounting body; and the sliding door mounting body provided between the traveling body and the sliding door mounting body. And a biasing means for biasing the body backward.

  The sliding door device according to claim 2 is the sliding door device according to claim 1, wherein the left guide body has a guide groove portion having a substantially C-shaped cross section that opens toward the left side, and the right guide body is formed on the right side. A guide groove having a substantially C-shaped cross section opening toward the left, and the left roller of the sliding door mounting body is rotatably fitted in the guide groove of the left guide and travels along the guide groove while rotating. The right roller of the sliding door mounting body is rotatably fitted in the guide groove portion of the right guide body and travels along the guide groove portion while rotating.

  The sliding door device according to claim 3 is the sliding door device according to claim 1 or 2, wherein the traveling body includes a left long hole portion formed on the rear side of the left end portion and a right long hole portion formed on the rear side of the right end portion. The left guide body has a vertical rear axis that is inserted into the left elongated hole portion and moves along the left elongated hole portion, and a vertical front axis is provided on the front side of the left end portion of the traveling body. The right guide body is pivotally attached as a center, and the right guide body has a rear axis in the vertical direction that is inserted into the right long hole portion and moves along the right long hole portion, on the front side of the right end portion of the traveling body. It is attached so as to be rotatable about a front axis in the vertical direction.

  According to the first aspect of the present invention, the left guide body and the right guide body that are rotatably attached to the traveling body in the left-right direction, and the left roller and the right guide body that travel along the left guide body travel. Therefore, the sliding door mounting body can be moved smoothly, and the operability of the sliding door can be improved.

  According to the second aspect of the present invention, the left roller of the sliding door mounting body is rotatably fitted in the guide groove portion having a substantially C-shaped cross section of the left guide body, and travels along the guide groove portion while rotating. Since the right roller of the mounting body is rotatably fitted in the guide groove portion having a substantially C-shaped cross section of the right guide body and travels along the guide groove portion while rotating, the left roller and the right roller are guided groove portions. The sliding door mounting body can be moved more smoothly by rotating the left roller and the right roller without slipping out from the inside to the side.

  According to the invention of claim 3, the left guide body has a rear shaft that moves along the left long hole portion of the traveling body, and is attached to the front side of the left end portion of the traveling body so as to be rotatable about the front shaft. The right guide body has a rear shaft that moves along the right long hole portion of the traveling body, and is attached to the front side of the right end of the traveling body so as to be rotatable about the front axis in the vertical direction. The body and the right guide body can be appropriately rotated around the front axis.

  An embodiment of a sliding door device of the present invention will be described with reference to the drawings.

  1 to 5, reference numeral 1 denotes a storage device such as a cupboard. The storage device 1 has a front opening 2 that is a substantially rectangular opening on the front surface, and an object to be stored via the front opening 2. A substantially rectangular parallelepiped box-shaped storage device main body 4 having a storage space portion 3 (not shown) in and out, and a sliding door device 5 that opens and closes the front opening 2 of the storage device main body 4. Has been.

  The storage device main body 4 includes an upper plate 11 and a lower plate 12 which are vertically spaced apart from each other. The left end of the upper plate 11 and the left end of the lower plate 12 are connected by the left side plate 13, the right end of the upper plate 11 and the right end of the lower plate 12 are connected by the right side plate 14, and the upper plate 11 The rear end portion and the rear end portion of the lower plate 12 are connected by a rear plate 15.

  On the upper surface of the upper plate 11, a pair of front and rear guide rails 21 and 22 are provided in the left-right direction that are spaced apart from each other in the front-rear direction. Each of the guide rails 21 and 22 is located from the left end portion of the upper plate 11 to the right end portion. The front guide rail 21 has a guide groove 23 having a substantially C-shaped cross section that opens rearward, and the rear guide rail 22 has a guide groove 24 having a substantially C-shaped cross section that opens frontward. ing.

  The position between the guide rails 21 and 22 on the upper surface of the upper plate 11, as shown in FIGS. 3 to 5, 10 and the like, is a concave groove shape having a substantially U-shaped cross section opening upward. Two front and rear upper guide rails 26, 27, for example, a front upper front guide rail 26 and a rear upper rear guide rail 27 shorter than the upper front guide rail 26 are provided.

  The upper front guide rail 26 includes a linear guide portion 28 that is elongated in the left-right direction, and an arc-shaped arc-shaped guide portion 29 that is connected to both ends of the linear guide portion 28 in the left-right direction. The upper rear guide rail 27 includes a linear guide portion 30 that is longer in the left-right direction than the linear guide portion 28 of the upper front guide rail 26, and an arc shape that is connected to both left and right ends of the linear guide portion 30. And a guide portion 31.

  Note that the arc-shaped guide portion 29 at the left end of the upper front guide rail 26 is positioned near the left end of the upper plate 11, and the arc-shaped guide portion 29 at the right end of the upper front guide rail 26 is near the right end of the upper plate 11. Is located.

  Further, as shown in FIG. 2, at the position corresponding to the upper guide rails 26 and 27 on the lower surface of the lower plate 12, two front and rear lower guide rails 36 having a substantially U-shaped cross section opening downward are provided. 37, that is, for example, a front lower front guide rail 36 and a rear lower rear guide rail 37 shorter than the lower front guide rail 36 are provided. The lower front guide rail 36 has the same shape as the upper front guide rail 26, and includes a linear guide portion 38 and an arcuate guide portion 39. The lower rear guide rail 37 has the same shape as the upper rear guide rail 27, and includes a linear guide portion 40 and an arcuate guide portion 41.

  The guide rails 21 and 22, the upper guide rails 26 and 27, and the lower guide rails 36 and 37 constitute the guide means 42 of the sliding door device 5.

  As shown in FIGS. 1 to 5 and the like, the sliding door device 5 includes a plurality of substantially rectangular plate shapes that open and close the front opening 2 of the storage device body 4, that is, for example, a left sliding door 51 and a right sliding door 52 that form a pair of left and right. ing. When the front opening 2 is fully closed, the sliding doors (door bodies) 51, 52 are arranged in the left-right direction and are located on the same plane (that is, the front surfaces of the sliding doors 51, 52 are arranged in the left-right direction). When the front opening 2 is opened, the sliding doors 51 and 52 are in a sliding state where they overlap each other in the front-rear direction.

  That is, the left sliding door 51 is rotatable with respect to the storage device main body 4 and movable in the front-rear and left-right directions, and is located at the closed position by the closing operation and closes the left half that is the left side of the front opening 2. The left half of the front opening 2 is opened at the open position by the opening operation. That is, when the front opening 2 is fully closed, the left sliding door 51 is positioned in a closed position in front of the left half of the front opening 2 in a posture along the left-right direction (see FIG. 3), and the left half of the front opening 2 At the time of partial opening, it is located in the open position in front of the right sliding door 52 in the closed position in a posture along the left-right direction (see FIG. 5). Further, the left sliding door 51 is inclined at a slightly inclined position with respect to the left-right direction from the position along the left-right direction by turning clockwise in plan view only at the initial stage of the opening operation and at the end of the closing operation (positioned forward in the right end). The posture is changed to (tilted posture) (see FIG. 4).

  Similarly, the right sliding door 52 is rotatable with respect to the storage device main body 4 and is movable in the front-rear and left-right directions, and is positioned at the closed position by the closing operation to close the right half that is the right side of the front opening 2. Then, the right half of the front opening 2 is opened at the open position by the opening operation. In other words, the right sliding door 52 is positioned in a closed position in front of the right half of the front opening 2 in a posture along the left-right direction when the front opening 2 is fully closed, and left-right when the right half of the front opening 2 is opened. Is positioned in the open position in front of the left sliding door 51 in the closed position. In addition, the right sliding door 52 is inclined only slightly at the beginning of the opening operation and at the end of the closing operation. Change the posture to an inclined posture).

  An upper traveling unit 53, which is a traveling unit, is attached to the upper end of each sliding door 51, 52, and each upper traveling unit 53 is engaged with the guide rails 21, 22 and the upper guide rails 26, 27 so as to be able to travel freely. Yes. A lower traveling unit 54, which is a traveling unit, is attached to the lower end of each sliding door 51, 52, and each lower traveling unit 54 is movably engaged with the lower guide rails 36, 37.

  Here, the traveling units 53 and 54 attached to the left sliding door 51 and the traveling units 53 and 54 attached to the right sliding door 52 are the same in the basic configuration except that they are symmetrically configured. Therefore, the following description will be focused on the traveling units 53 and 54 on the left sliding door 51 side.

  As shown in FIGS. 6 to 13, the upper traveling unit 53 includes a traveling body 56 that travels in the left-right direction along the guide rails 21, 22, and a state in which the left end portion of the traveling body 56 extends along the front-rear direction. A longitudinally-oriented longitudinal left guide body 57 that is mounted so as to be pivotable in the left-right direction about a front axis (vertical axis) 59 in the up-down direction between a state slightly inclined with respect to the direction, and a traveling body 56 Longitudinal shape in the front-rear direction attached to the right end portion so as to be rotatable in the left-right direction around the front axis (vertical axis) 60 in the vertical direction between a state along the front-rear direction and a state slightly inclined with respect to the front-rear direction The right guide body 58 is provided. Note that the left guide body 57 and the right guide body 58 are arranged in parallel to each other, and rotate in the left-right direction while substantially maintaining the parallel state.

  The traveling body 56 includes a base plate 61. The base plate 61 has a horizontal plate 62 that is substantially rectangular in the left-right direction, and a left-right direction that integrally protrudes downward from the front end of the horizontal plate 62. It has a longitudinal and substantially rectangular front vertical plate portion 63, and a laterally longitudinal and substantially rectangular rear vertical plate portion 64 integrally projecting downward from the rear end portion of the horizontal plate portion 62. Yes.

  The left edge of the horizontal plate portion 62 is located on the front end side, and includes an edge portion 62a along the front-rear direction and an edge portion 62b along the direction slightly inclined with respect to the front-rear direction, which is connected to the rear end of the edge portion 62a. And the right edge of the horizontal plate portion 62 is located on the rear end side and is connected to the edge portion 62c along the front-rear direction and the front end of the edge portion 62c, and the edge along the direction slightly inclined with respect to the front-rear direction. Part 62d (see FIG. 11 and the like).

  A circular left hole 65 is formed on the front side of the left end of the horizontal flat plate 62, and a substantially arc-shaped left long hole 66 centering on the left hole 65 is formed on the rear side of the left end. The long hole portion 66 opens to the edge portion 62b at the left end edge. A circular right hole 67 is formed on the front side of the right end of the horizontal plate 62, and a substantially arc-shaped right long hole 68 centered on the right hole 67 is formed on the rear side of the right end. The long hole portion 68 opens to the edge portion 62c at the right end edge. On both the left and right sides of the horizontal plate portion 62, elongated holes 69 and 70 that are longitudinal in the front-rear direction are formed.

  Further, front rollers 71 are rotatably attached to both ends of the front vertical plate portion 63 of the base plate 61 via a shaft 72 in the front-rear direction, and each front roller 71 is a guide groove portion of the front guide rail 21. It is rotatably fitted in 23 and travels along the guide groove 23 while rotating.

  Further, a rear roller 73 is rotatably attached to both the left and right end portions and the left and right middle portion of the rear vertical plate portion 64 of the base plate 61 via a shaft 74 in the front-rear direction. The guide rail 22 is rotatably fitted in the guide groove 24 and travels along the guide groove 24 while rotating. An engagement pin 75 is attached to the center of the rear vertical plate portion 64 in the left-right direction. In the upper traveling unit 53 attached to the right sliding door 52, the engagement pin 75 is attached to the center in the left-right direction of the front vertical plate portion 63.

  The left guide body 57 includes a longitudinally extending guide body 81, a vertical front shaft 59 attached to the front side of the guide body 81 and having an upper end projecting upward from the upper surface of the guide body 81, and the guide body 81 The rear side shaft 82 is attached to the rear side, and the upper end side protrudes upward from the upper surface of the guide body 81.

  The guide main body 81 is formed with a guide groove portion 83 in the front-rear direction having a substantially C-shaped cross section that opens toward the outer side on the left side. The guide groove 83 has a groove inner upper surface 84, a groove inner lower surface 85, an inner groove inner side surface 86, and an outer groove inner side surface 87 (see FIG. 9).

  The front shaft 59 of the left guide body 57 is fitted and inserted into the left hole portion 65 of the horizontal plate portion 62 of the base plate 61 of the traveling body 56, and the upper end portion of the front shaft 59 protruding upward from the left hole portion 65. A substantially disc-shaped retaining member 88 is attached. Further, the rear shaft 82 of the left guide 57 is inserted into the left long hole 66 of the horizontal plate 62 of the base plate 61 of the traveling body 56 so as to be movable in the left-right direction along the left long hole 66. A substantially disc-shaped retaining member 89 is attached to an upper end portion of the rear shaft 82 that protrudes upward from the left elongated hole portion 66. The retaining member 89 slides on the upper surface of the left end portion of the horizontal plate portion 62 when the left guide body 57 rotates.

  The right guide body 58 is symmetric with the left guide body 57, for example. The right guide body 58 is attached to the front side of the guide body 91 and the upper end side protrudes upward from the upper surface of the guide body 91. The front shaft 60 in the vertical direction, and the rear shaft 92 in the vertical direction that is attached to the rear side of the guide body 91 and whose upper end protrudes upward from the upper surface of the guide body 91.

  The guide body 91 is formed with a guide groove portion 93 in the front-rear direction having a substantially C-shaped cross section that opens toward the outer side which is the right side. The guide groove 93 has a groove inner upper surface 94, a groove inner lower surface 95, an inner groove inner side surface 96, and an outer groove inner side surface 97 (see FIG. 9).

  The front shaft 60 of the right guide body 58 is fitted into the right hole portion 67 of the horizontal plate portion 62 of the base plate 61 of the traveling body 56, and the front shaft 60 has an upper end portion protruding upward from the right hole portion 67. A substantially disk-shaped retaining member 98 is attached. Further, the rear shaft 92 of the right guide body 58 is inserted into the right long hole portion 68 of the horizontal plate portion 62 of the base plate 61 of the traveling body 56 so as to be movable in the left-right direction along the right long hole portion 68. A substantially disc-shaped retaining member 99 is attached to an upper end portion of the rear shaft 92 that protrudes upward from the right long hole portion 68. The retaining member 99 slides on the upper surface of the right end portion of the horizontal plate portion 62 when the right guide body 58 is rotated. A substantially disc-shaped retaining member 100 is attached to each lower end portion of the front shafts 59, 60 and the rear shafts 82, 92.

  Further, as shown in FIGS. 6 to 13 and the like, the upper traveling unit 53 is a plurality of traveling in the front-rear direction (including a direction slightly inclined with respect to the front-rear direction) along the guide groove portion 83 of the left guide body 57. For example, it has a plurality of, for example, two front and rear right rollers 103 that run in the front-rear direction (including a direction slightly inclined with respect to the front-rear direction) along the front left and right left rollers 102 and the guide groove 93 of the right guide 58. The sliding door 51 is attached, and the sliding door mounting body 101 that supports the left sliding door 51 is provided.

  The sliding door mounting body 101 includes a base plate 106. The base plate 106 has a horizontal plate portion 107 that is substantially rectangular in the left-right direction, and a left and right portion that integrally protrudes downward from the front end portion of the horizontal plate portion 107. A front vertical plate portion 108 that is a substantially rectangular sliding door mounting portion that is long in the direction, a substantially rectangular left vertical plate portion 109 that protrudes downward from the rear side of the left end of the horizontal plate portion 107, and a horizontal plate portion A right rectangular plate 110 having a substantially rectangular plate shape protruding downward from the rear side of the right end portion of 107.

  Also, from both the left and right sides of the lower surface of the horizontal plate portion 107 of the base plate 106, the vertical roller shafts 111 and 112 protrude downward to the elongated holes 69 and 70 of the horizontal plate portion 62 of the traveling body 56. The horizontal rollers 113 and 114 are rotatably attached to the lower end portions of the roller shafts 111 and 112. The left horizontal roller 113 is rotatably fitted in the upper front guide rail 26 and travels along the upper front guide rail 26 while rotating. The right horizontal roller 114 rotates in the upper rear guide rail 27. Further, it travels along the guide rail 27 while being fitted and rotated.

  Furthermore, door suspensions 115 are attached to the left and right sides of the front vertical plate portion 108 of the base plate 106, and the left sliding door 51 is suspended from the front vertical plate portion 108 of the base plate 106 via the door suspension 115. It is attached. The basic structure of the door hanger 115 is the same as that described in the specification of Japanese Patent Application No. 2007-114648, for example, and includes a left / right adjustment screw, a vertical adjustment screw, and the like.

  Note that the configuration is not limited to the configuration in which the door suspension 115 is attached to the front vertical plate portion 108 of the sliding door attachment body 101, and the configuration in which the door suspension 115 is attached to the upper end portion of the left sliding door 51 may be employed.

  Further, the left roller 102 is rotatably attached to the left and right ends of the left vertical plate 109 of the base plate 106 through a left and right shaft 116 so that the left roller 102 is positioned in the vicinity of the inner side of the left vertical plate 109. The two front and rear left rollers 102 are housed and disposed in the left guide body 57 in a state of being opposed to each other in the front-rear direction. That is, each left roller 102 is rotatably fitted in the guide groove portion 83 of the left guide body 57 so as not to be pulled outward, and rotates in a predetermined direction when the left sliding door 51 is initially opened and closed. However, the vehicle travels along the guide groove 83.

  For example, as shown in FIG. 10, when the left sliding door 51 is opened, the front left roller 102 rotates in a predetermined direction (clockwise in FIG. 10) with the lower end pressed against the groove inner bottom surface 85 of the guide groove 83. The rear left roller 102 travels forward while rotating in a predetermined direction (counterclockwise in FIG. 10) with the upper end pressed against the groove inner upper surface 84 of the guide groove 83. Further, each left roller 102 is restricted from moving inward by contact with the inner groove inner surface 86, and moved outward by contact with the outer groove inner surface 87. Is regulated.

  Similarly, the right roller 103 is rotatably attached to the both ends of the right vertical plate portion 110 of the base plate 106 via the left and right shafts 117 so that the right roller 103 is positioned in the vicinity of the inner side of the right vertical plate portion 110. These two front and rear right rollers 103 are accommodated and disposed in the right guide body 58 in a state of being opposed to each other in the front-rear direction. That is, each right roller 103 is rotatably fitted in the guide groove portion 93 of the right guide body 58 so as not to be pulled outward, and rotates in a predetermined direction when the left sliding door 51 is initially opened and closed. However, the vehicle travels along the guide groove 93.

  Although not shown in the drawing, the right roller 103, like the left roller 102, rotates forward with the lower end of the front right roller 103 in pressure contact with the groove lower surface 95, for example, at the beginning of the opening operation of the left sliding door 51. The rear right roller 103 travels forward while rotating in the opposite direction to the front side with the upper end pressed against the groove upper surface 94, and also by contact with the inner groove inner surface 96. Movement toward the inner side is restricted, and movement toward the outer side is restricted by contact with the groove inner surface 97 on the outer side.

  Further, as shown in FIGS. 8 and 11, the upper traveling unit 53 is a tension coil that is provided between the traveling body 56 and the sliding door mounting body 101 and is an urging means that biases the sliding door mounting body 101 backward. A spring 121 is provided. The front end portion which is one end portion of the tension coil spring 121 is attached to the lower surface of the horizontal plate portion 107 of the base plate 106 of the sliding door mounting body 101, and the rear end portion which is the other end portion of the tension coil spring 121 is the base of the traveling body 56. It is attached to the upper surface of the horizontal plate portion 62 of the plate 61.

  Further, on the upper surface of the horizontal plate portion 62 of the base plate 61 of the traveling body 56, the speed of the sliding door mounting body 101 due to the biasing force of the tension coil spring 121 at the end of the closing operation of the left sliding door 51 (the closing operation speed of the left sliding door 51). A buffering means 122 such as a gas spring for gradually reducing the pressure is attached. The buffering means 122 has a main body part 123 and a rod part 124 that goes in and out of the main body part 123. The tip of the rod part 124 is placed on the lower surface of the horizontal plate part 107 of the base plate 106 of the sliding door mounting body 101. A rod receiving member 125 with which is abutted is attached (see FIG. 4).

  Further, in the guide groove portion 24 of the rear guide rail 22, the speed of the traveling body 56 (left sliding door) is engaged with the engagement pin 75 of the traveling body 56 at the end of the closing operation of the left sliding door 51 and at the end of the opening operation. A buffer means (not shown) for gradually decreasing the speed (51) is provided. Further, in the guide groove portion 23 of the front guide rail 21, the speed of the traveling body 56 (the right sliding door 52 is determined by the engagement with the engagement pin 75 of the traveling body 56 at the end of the closing operation of the right sliding door 52 and at the end of the opening operation). Buffering means (not shown) for gradually decreasing the speed of the motor.

  Further, as shown in FIG. 2, unlike the upper traveling unit 53, the lower traveling unit 54 does not have a configuration corresponding to the traveling body 56 and the guide bodies 57, 58 and is attached to the lower ends of the sliding doors 51, 52. The sliding door mounting body 126 is provided.

  This sliding door mounting body 126 has a vertical roller shaft (not shown) protruding upward from the left and right sides of the upper surface of the horizontal plate portion 127, and the horizontal roller rotates at the upper end of each roller shaft. It is attached as possible. The left horizontal roller is rotatably fitted in the lower front guide rail 36 and travels along the lower front guide rail 36 while rotating, and the right horizontal roller is rotatable in the lower rear guide rail 37. It travels along the lower guide rail 37 while being fitted and rotating.

  As shown in FIGS. 1 and 2, a handle 128 is provided at the front right end portion of the left sliding door 51 and the front left end portion of the right sliding door 52.

  Next, the operation and the like of the storage device 1 will be described.

  As shown in FIGS. 3 and 11, when the front opening 2 of the storage device body 4 is completely closed, the sliding doors 51 and 52 are positioned in the closed position in a posture along the left-right direction and are in a left-right flat state. Yes.

  In this state, the left guide body 57 and the right guide body 58 are both positioned parallel to each other along the front-rear direction, and the rear shaft 82 of the left guide body 57 is positioned at the left end of the left elongated hole portion 66. The rear shaft 92 of the right guide 58 is located at the left end of the right long hole 68. Further, the horizontal rollers 113 and 114 of the sliding door mounting body 101 are located at the rear ends of the arcuate guide portions 29 and 31 of the upper guide rails 26 and 27, and the horizontal roller of the sliding door mounting body 126 is a circle of the lower guide rails 36 and 37. It is located at the rear end of the arcuate guide portions 39 and 41.

  For example, when the left half of the front opening 2 of the storage device body 4 is opened, the operator holds the handle 128 and pulls the left sliding door 51 forward against the urging force of the tension coil spring 121.

  Then, as shown in FIGS. 4 and 12, the left sliding door 51 rotates while moving forward and changes its posture from the posture along the left-right direction to the inclined posture slightly inclined with respect to the left-right direction.

  That is, the horizontal rollers 113 and 114 of the sliding door mounting body 101 of the upper traveling unit 53 travel along the arcuate guide portions 29 and 31 of the upper guide rails 26 and 27 and the horizontal rollers of the sliding door mounting body 126 of the lower traveling unit 54 Travels along the arcuate guide portions 39 and 41 of the lower guide rails 36 and 37, so that the sliding door mounting bodies 101 and 126 rotate together with the left sliding door 51 while moving forward.

  At this time, with respect to the traveling body 56 in the stopped state, the left guide body 57 rotates rightward so that the rear shaft 82 moves along the left long hole portion 66 about the front shaft 59, and the sliding door mounting body The left roller 102 of 101 travels forward along the guide groove 83 of the rotating left guide body 57, and the right guide body 58 is rearward about the front shaft 60 with respect to the travel body 56 in a stopped state. The side shaft 92 rotates rightward so as to move along the right long hole portion 68, and the right roller 103 of the sliding door mounting body 101 moves forward along the guide groove portion 93 of the rotating right guide body 58. Run. Therefore, the sliding door mounting body 101 smoothly travels forward along the left and right guide bodies 57 and 58 due to the rotation of the left and right rollers 102 and 103 in spite of receiving the weight of the left sliding door 51. Smooth movement of the mounting body 101 is obtained.

  Subsequently, the operator moves the left sliding door 51 to the right while holding the handle 128. Then, as shown in FIG. 5 and FIG. 13, the left sliding door 51 rotates while moving forward and returns to the posture along the left-right direction, and then moves to the open position to the right. The sliding doors 51 and 52 are in a sliding state where they overlap in the front-rear direction, and the left half of the front opening 2 opens.

  That is, the horizontal rollers 113 and 114 of the sliding door mounting body 101 travel along the arcuate guide portions 29 and 31 and the linear guide portions 28 and 30 of the upper guide rails 26 and 27, and the horizontal roller of the sliding door mounting body 126 moves downward. The sliding door mounting bodies 101 and 126 are moved along the arcuate guide portions 39 and 41 and the linear guide portions 38 and 40 of the guide rails 36 and 37 and the traveling body 56 travels along the guide rails 21 and 22. Rotates while moving forward together with the left sliding door 51, and then moves to the right.

  At this time, the left guide body 57 is rotated leftward with respect to the traveling body 56 that is traveling, and the left roller 102 of the sliding door mounting body 101 is rotated to the left. The vehicle slides forward along the guide groove 83 of the guide body 57 and rotates to the left until the right guide body 58 is in a state along the original front-rear direction with respect to the traveling body 56 that is running. The right roller 103 of the mounting body 101 travels forward along the guide groove portion 93 of the rotating right guide body 58. Therefore, the sliding door mounting body 101 smoothly travels forward along the left and right guide bodies 57 and 58 due to the rotation of the left and right rollers 102 and 103 in spite of receiving the weight of the left sliding door 51. Smooth movement of the mounting body 101 is obtained.

  When closing the left half of the front opening 2, the left sliding door 51 is operated to perform a closing operation. At the end of the closing operation, the sliding door mounting body 101 is similar to the above-described initial opening operation. The left and right rollers 102 and 103 rotate smoothly along the left and right guide bodies 57 and 58, so that the sliding door mounting body 101 moves smoothly. In addition, what is necessary is just to operate the right sliding door 52, when opening and closing the right half part of the front opening part 2. FIG.

  According to such a storage device 1, the left guide body 57 and the right guide body 58 attached to the traveling body 56 so as to be rotatable in the left-right direction, and the left traveling in the front-rear direction along the left guide body 57. Since the sliding door mounting body 101 has a roller 102 and a right roller 103 that travels in the front-rear direction along the right guide body 58, the sliding door mounting body at the initial stage of the opening operation of the sliding doors 51 and 52 and at the end of the closing operation thereof. The smooth movement of 101 can be obtained, and the operability of the sliding doors 51 and 52 can be improved.

  The left roller 102 of the sliding door mounting body 101 is rotatably fitted in a guide groove 83 having a substantially C-shaped cross section of the left guide 57 and travels in the front-rear direction along the guide groove 83 while rotating. Since the right roller 103 of the mounting body 101 is configured to run in the front-rear direction along the guide groove 93 while being rotatably fitted in the guide groove 93 having a substantially C-shaped cross section of the right guide 58, The left roller 102 and the right roller 103 do not slip outward from the guide groove portions 83 and 93, and the sliding movement of the sliding door mounting body 101 can be obtained more smoothly by the rotation of the left roller 102 and the right roller 103. it can.

  In addition, although the said embodiment demonstrated the structure provided with the left-right paired sliding door 51 and the sliding door 52, the structure provided with one sliding door or three or more sliding doors etc. may be sufficient, for example.

  Further, the arcuate guide portion 29 of the upper front guide rail 26 may have a larger radius of curvature than the arcuate guide portion 31 of the upper rear guide rail 27, as shown in FIG. Specifically, the radius of curvature of the arcuate guide portion 29 is preferably 5 to 7.5 times the radius of curvature of the arcuate guide portion 31.

  Further, for example, the handle 128 held by the operator may be provided at the front left end portion of the left sliding door 51 and the front right end portion of the right sliding door 52, and a concave handle portion is formed on the front surface of the sliding doors 51 and 52, for example. A configuration or the like may be used.

It is an upper perspective view of the storage apparatus provided with the sliding door apparatus which concerns on one embodiment of this invention. It is a downward perspective view of a storage apparatus same as the above. It is a top view at the time of full closure of the opening part of a storage device same as the above. It is a top view at the time of the opening operation | movement initial stage of the left sliding door of a storage apparatus same as the above. It is a top view at the time of opening of the opening part of a storage apparatus same as the above. It is an upper perspective view of the upper traveling unit of the same storage device. It is a lower perspective view of an upper traveling unit same as the above. It is a disassembled perspective view of an upper traveling unit same as the above. It is a rear view sectional view of the upper traveling unit same as the above. It is side view sectional drawing of an upper traveling unit same as the above. It is a top view at the time of full closure of the opening part of an upper traveling unit same as the above. It is a top view at the time of the opening operation | movement initial stage of the left sliding door of an upper traveling unit same as the above. It is a top view at the time of opening of the opening part of an upper traveling unit same as the above. It is a top view which shows the modification which made the curvature radius of the circular arc guide part of the upper front guide rail larger than the curvature radius of the circular arc guide part of the upper rear guide rail.

Explanation of symbols

5 Sliding door device
51 Sliding door, left sliding door
52 Sliding door, right sliding door
56 Running body
57 Left guide
58 Right guide
59, 60 Front shaft
66 Left slot
68 Right slot
82, 92 Rear shaft
83, 93 Guide groove
101 Sliding door attachment
102 Left roller
103 Right roller
121 Tension coil spring as urging means

Claims (3)

A traveling body traveling in the left-right direction;
A left guide body and a right guide body attached to the traveling body so as to be turnable in the left-right direction;
A sliding door mounting body having a left roller that travels along the left guide body and a right roller that travels along the right guide body;
A sliding door attached to the sliding door mounting body;
A sliding door device comprising: an urging means provided between the traveling body and the sliding door mounting body and biasing the sliding door mounting body rearward. The left guide body has a guide groove portion having a substantially C-shaped cross section that opens toward the left side,
The right guide body has a guide groove portion having a substantially C-shaped cross section that opens toward the right side,
The left roller of the sliding door mounting body is rotatably fitted in the guide groove portion of the left guide body and travels along the guide groove portion while rotating,
The sliding door device according to claim 1, wherein the right roller of the sliding door mounting body is rotatably fitted in a guide groove portion of the right guide body and travels along the guide groove portion while rotating. The traveling body has a left long hole portion formed on the rear side of the left end portion and a right long hole portion formed on the rear side of the right end portion,
The left guide body has a vertical rear axis that is inserted into the left long hole portion and moves along the left long hole portion, and rotates around the front axis in the vertical direction on the front side of the left end of the traveling body. Mounted movably,
The right guide body has a vertical rear axis that is inserted into the right long hole portion and moves along the right long hole portion, and rotates around the front axis in the vertical direction on the front side of the right end portion of the traveling body. The sliding door device according to claim 1 or 2, wherein the sliding door device is movably attached.

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