JP4103881B2 - Sliding door device - Google Patents

Description

  The present invention relates to a sliding door device, and more particularly to a sliding door device in which the sliding doors are flush with each other in a closed state.

  Conventionally, in the case of three sliding doors, there is known a sliding type sliding door device in which each sliding door moves linearly in parallel to be in a closed state, a right open state, or a left open state (see, for example, Patent Document 1). .

  However, in the conventional example shown in Patent Document 1, each sliding door has a stepped shape from the front side to the rear side in the closed state, so that not only the appearance looks bad, but also the longitudinal direction of the upper rail for each sliding door. There is also a restriction that the degree of freedom in construction is small, such as the need to provide three rail portions in parallel in the front-rear direction orthogonal to each other, and thus the need to increase the overall expected dimension (depth) of the upper rail.

  Therefore, the present applicant has considered a sliding door device capable of showing an appearance like a continuous wall in which the three sliding doors are arranged in a line without any step in a fully closed state. This is a sliding door device provided with three sliding doors, in a closed state, a central sliding door, a one sliding door disposed on one side of the central sliding door, and the other sliding door disposed on the other side of the central sliding door Are arranged so as to be flush with each other, and when opening, the one sliding door is moved toward the other sliding door to guide the one sliding door so as to overlap the other sliding door, and the central sliding door is moved to the other sliding door. It is provided with a guiding mechanism that moves toward and overlaps behind the other sliding door. The guide mechanism is composed of an upper runner attached to the upper part of the sliding door and an upper rail provided on the door frame, and the three sliding doors line up as the upper runner of the sliding door travels on the upper rail of the door frame. It can be closed so that they line up with each other or can be opened so that three sliding doors overlap each other.

  In such a sliding door device, the inside of the closet can be widely used by disposing the sliding door in front of the position of the upper rail. A side vertical piece of the runner connecting member having a shape was attached, and an upper runner was provided on the upper horizontal piece of the runner connecting member. The upper runner is composed of a roller block having an upper roller and a runner longitudinal axis for attaching the roller block to the upper horizontal piece. The code | symbol 28 in FIG. 13 is a runner connection member, 1 is a sliding door, 20 is a runner vertical axis | shaft, 21 is an upper runner.

  When this sliding door device is installed in a building, it is necessary to adjust the height (ie, the vertical adjustment of the sliding door with respect to the door frame) to adjust the tilt of the building frame (tilt, deflection, etc.). Come. When adjusting the height of the sliding door, the upper runner travels on the upper rail provided on the door frame and the height is constant, so the height of the sliding door can be adjusted by adjusting the relative height of the upper runner to the sliding door. Will be adjusted. Therefore, conventionally, the height of the sliding door is adjusted by moving the runner longitudinal axis of the upper runner up and down with respect to the runner connecting member fixed to the upper end of the sliding door.

However, in such a conventional sliding door device, the runner longitudinal axis is formed by a bolt and a nut is fastened to the runner longitudinal member to fix the runner longitudinal axis to the runner connecting member. In order to rotate the door, it was necessary to leave a large gap between the sliding door and the door frame so that a tool could be inserted. It was.
Japanese Utility Model Publication No. 51-103524

  The present invention has been invented in view of the above-described conventional problems, and shows a wall-like appearance in which three sliding doors are continuously lined up in a row without any step in a fully closed state. It is an object of the present invention to provide a sliding door device that can easily adjust the height of a sliding door and that does not require entry of a large gap into which a tool can be inserted between the sliding door and the door frame, is difficult for dust and the like to enter. To do.

In order to solve the above-mentioned problem, the present invention is a sliding door device provided with three sliding doors 1, which is arranged in a closed state on one side of the central sliding door 1 c and the central sliding door 1 c. The sliding door 1a and the other sliding door 1b arranged on the other side of the central sliding door 1c, and the three sliding doors 1 are arranged so as to be flush with each other in a closed state. Is moved toward the other sliding door 1b to guide the one sliding door 1a so as to overlap the other sliding door 1b, and the central sliding door 1c is moved toward the other sliding door 1b so as to overlap the other sliding door 1b. The upper runner 2 includes an upper runner 2 (21 to 23) attached to an upper portion of the sliding door 1 and an upper rail 5 that guides the upper runner 2 so that the upper runner 2 can run freely. 2 is connected to the upper end of sliding door 1 The runner connecting member 28 is bent into a substantially L shape, and the runner connecting member 28 is slid so that the upper runner 2 connected to the runner connecting member 28 protrudes behind the rear surface of the sliding door 1. 1 is provided at the upper end of the sliding door 1, and a vertical movement member 31 that is moved up and down by the vertical adjustment means 3 is provided in the sliding door 1. The vertical adjustment means 3 is formed with a recess 10 in the rear surface of the upper end of the sliding door 1, A holder 30 is inserted into the recess 10, and the holder 30 is provided with holes 30d and 30e into which the upper and lower end portions of the vertical adjustment bolt 32 having male screw portions 32a are inserted. A knob portion 33 is inserted into the holder 30 so as to be rotatable around the axis in the direction and rotates the vertical adjustment bolt 32 below the male screw portion 32a of the vertical adjustment bolt 30. Provided, wherein with screwing the vertical movement member 31 to the male screw portion 32a of the upper and lower adjustment bolt 32, made by providing a regulating portion for restraining the vertical movement member 31 is rotated together with the vertical adjustment bolt 32, the vertical movement member The runner connecting member 28 is fixed to 31.

In the present invention, as described above, the three sliding doors 1 are arranged so as to be flush with each other in a closed state, so that the three sliding doors 1 are closed. A step does not occur between the adjacent sliding doors 1 and an appearance as a series of continuous wall surfaces can be exhibited.
The upper runner 2 is attached via a reverse L-shaped runner connecting member 28 so that the three sliding doors can be arranged in a row in a closed state, and the runner connecting member 28 moves up and down in the sliding door 1. Since it is being fixed to the free vertical movement member 31, even if it does not insert a tool in the clearance gap between the sliding door 1 and the door frame 4, the vertical movement member 31 in the sliding door 1 is moved up and down, and the upper runner 21- 23 can be adjusted, the gap between the sliding door and the door frame can be kept small, and the height adjustment operation can be facilitated.

  In the present invention, in the fully closed state as described above, the three sliding doors can be given a sense of unity in appearance like a continuous wall arranged in a row with no steps in a row. Appearance is improved, and the height of the sliding door can be adjusted by moving the vertical movement member in the sliding door up and down, leaving a large gap where a tool can be inserted between the sliding door and the door frame. Since it is not necessary, dust or the like does not enter the gap, and it is not necessary to insert a tool into the narrow gap, so that the height adjustment operation is facilitated.

  Hereinafter, the present invention will be described based on embodiments shown in the accompanying drawings.

  The sliding door device of the present invention has three sliding doors 1 (1a to 1c) as shown in FIGS. 4 and 5, and is arranged on one side of the central sliding door 1c and the central sliding door 1c in a closed state. The one sliding door 1a and the other sliding door 1b arranged on the other side of the central sliding door 1c, and the three sliding doors 1 in a closed state not only line up in a row but also the entire three without any step. It is arranged to be united. Thus, for example, when used as a closet door, the three sliding doors 1 can exhibit an appearance as a series of walls that are flush with each other without a step, and the appearance is good.

  As shown in FIG. 4, when the three sliding doors 1 are moved from one sliding door 1a side to the other sliding door 1b side and opened, the one sliding door 1a guides to the front A of the other sliding door 1b and the central sliding door 1c. Is guided to the rear B of the other sliding door 1b, and the interlocking mechanism 15 is used to transmit the operating force on the one sliding door 1a side to the central sliding door 1c to open and close the central sliding door 1c following the one sliding door 1a. And.

  Upper runners 2 (21 to 23) are respectively attached to the upper part of the sliding door 1, lower rollers 27 are respectively attached to the lower part of the sliding door 1, and the upper runners 21 to 23 and the upper and lower rails 5 for guiding the lower roller 27 to run freely, 6 is provided on the door frame 4, and the upper runner 2 and the upper rail 5 constitute a guide mechanism 19.

  The door frame 4 is a rectangular frame that is attached to an opening for attaching the three sliding doors 1 so as to be freely opened and closed, and includes the upper and lower rails 5 and 6 and the left and right vertical frames 4a.

  The upper runners 21 to 23 are respectively attached to both ends in the left-right direction of the upper end portion of the rear surface of the sliding door 1 via upper L runner connecting members 28, and the upper runners 21 to 23 are upper end portions of the sliding door 1. When the runners 21 to 23 are attached to the upper rail 5 described below so as to be able to run freely, the sliding door 1 is suspended by being shifted forward from the running support portion of the upper rail 5 by the runners 21 to 23. Will be. Thereby, it becomes possible to use the inside of a closet widely by arrange | positioning a sliding door ahead rather than the position of an upper rail.

  As shown in FIGS. 6 and 7, the upper rail 5 includes an upper rail body 50 fixed to the housing, and an upper rail cover 51 (in the embodiment, the upper rail cover 51 is divided into a plurality of parts in the longitudinal direction). The upper rail body 50 and the upper rail cover 51 are screwed to each other.

  As shown in FIGS. 6 and 7, the upper rail 5 formed by attaching the upper rail cover 51 to the upper rail body 50 is aligned with the longitudinal directions A and B perpendicular to the longitudinal direction M of the upper rail 5. A common rail portion 7 and a groove-like central sliding door rail portion 8 are provided side by side. The common rail portion 7 guides the two left and right upper runners 21 and 22 provided at two positions on both ends of each upper end of the one and the other sliding doors 1a and 1b (that is, the sliding doors 1a and 1b on both the left and right sides), respectively. The central sliding door rail portion 8 guides the left and right upper runners 23 provided at the upper end of the central sliding door 1c so as to run freely.

  The common rail portion 7 is formed in a substantially L shape from the both ends in the longitudinal direction M of the front rectilinear rail portion 9 to the rear B, extending in parallel with the longitudinal direction M of the upper rail 5. Bends from two bent left and right outer curved rail portions 11 and two positions closer to the inside than both ends in the longitudinal direction M of the front straight rail portion 9, and bends in a substantially L shape toward the rear B The left and right inner curved rail portions 12 are provided. By guiding the three sliding doors 1 with these two rail parts (common rail part 7 and central sliding door rail part 8), it becomes possible to reduce the expected dimension F (FIG. 7) of the entire upper rail 5; For example, when used as a closet door, the amount of storage can be increased, and even if load collapse occurs in the closet, for example, the one sliding door 1a can be moved from the closed state to the other sliding door 1b side. It is possible to move forward along the outer curved rail portion 11 and the inner curved rail portion 12 and move in the opening direction (the other sliding door 1b side) along the front straight rail portion 9 to open.

  Further, the central sliding door rail portion 8 has a rearward straight rail portion 10 parallel to the front straight rail portion 9 and a position facing the left and right inner curved rail portions 12 in the rear straight rail portion 10. Each has two left and right curved rail portions 13 that are curved in a semicircular shape toward the front A from two locations that approach each other. 4, 6, and 7, 10 a and 10 b are branched from the communication portion between the longitudinal intermediate portion of the rear linear rail portion 10 and the left and right curved rail portions 13, and are intermediate between the rear linear rail portions 10. A straight running portion that continuously extends from the portion toward the left and right side portions of the rear straight running rail portion 1, and the upper runner 23 on the right side of the central sliding door 1c when the central sliding door 1c is brought to the left end of the straight running portion 10a. 10b is a part into which the upper runner 23 on the left side of the central sliding door 1c enters when the central sliding door 1c is brought to the right end.

  Rear left and right outer curved rail portions 11 provided on the common rail portion 7, rear left and right inner curved rail portions 12, rear left and right central sliding door rail portions 8 The front end portion of the curved rail portion 13 is located on a virtual straight line parallel to the front straight rail portion 9 and the rear straight rail portion 10. The distance between the rear end portion of the left outer curved rail portion 11 and the rear end portion of the left inner curved rail portion 12 is between the left and right upper runners 22 of the left sliding door 1 (that is, the other sliding door 1b). The distance between the rear end portion of the right outer curved rail portion 11 and the rear end portion of the right inner curved rail portion 12 is the right and left of the right sliding door 1 (that is, the one sliding door 1a). Further, the distance between the front end portions of the left and right curved rail portions 13 is set equal to the distance between the left and right upper runners 23 of the central sliding door 1c.

  Here, in the closed state, each upper runner 22 of the other sliding door 1b shown in FIG. 4A enters the respective rear end portions of the outer curved rail portion 11 and the inner curved rail portion 12 located on the left side, and the center. Each of the upper runners 23 of the sliding door 1c enters the respective front end portions of the two left and right curved rail portions 13, and each of the upper runners 21 of the one sliding door 1a is located on the right side. 12 are juxtaposed so that the sliding doors 1 are in the same plane parallel to the longitudinal direction M of the upper rail 5 (that is, the three sliding doors 1 are flush with each other). Is done.

  On the other hand, in the right-opened state of FIG. 9, each upper runner 22 of the other sliding door 1b is located at each rear end of the outer curved rail portion 11 and the inner curved rail portion 12 on the left side as shown in FIG. The upper runner 23 on the left side of the central sliding door 1c moves to the left end of the rear straight rail section 10, the upper runner 23 on the right moves to the straight section 10a, and the upper runner of the one sliding door 1a. As 21 moves to the left side of the front-side straight-traveling rail portion 9, the first sliding door 1a, the other sliding door 1b, and the central sliding door 1c are stacked and juxtaposed in order from the front.

  Further, in the left open state of FIG. 10, each upper runner 21 of the one sliding door 1a enters the respective rear end portions of the outer curved rail portion 11 and the inner curved rail portion 12 located on the right side, and the right side of the central sliding door 1c. The upper runner 23 moves to the right end of the rear straight rail portion 10 and the left upper runner 23 moves to the straight portion 10a, and each upper runner 22 of the other sliding door 1b moves to the front straight rail portion 9. By moving to the left side, the other sliding door 1b, the one sliding door 1a, and the central sliding door 1c are juxtaposed in order from the front.

  These right open state and left open state can be arbitrarily selected. That is, the guiding mechanism 19 moves the central sliding door 1c to a position that does not overlap the other sliding door 1b in a state where the one sliding door 1a, the central sliding door 1c, and the other sliding door 1b overlap each other, and is flush with the other sliding door 1b. In addition, the sliding door 1a is moved to a position where it does not overlap with the other sliding door 1b and the central sliding door 1c so as to be guided to be flush with the central sliding door 1c.

  A pair of gap concealing L-shaped members facing each other may be attached to the mutual abutting portions of the sliding doors 1. For example, as shown in FIG. It is also possible to provide 17 so as to eliminate the gap between the sliding doors 1.

  On the other hand, upper runners 21 (or upper runners 22 or upper runners 23) are provided on the left and right sides of the upper surface of each sliding door 1, respectively. As shown in FIG. 11, the upper runners 21 to 23 include a roller block 24 having a pair of upper rollers 26 and two auxiliary rollers 25 a (or auxiliary rollers 25 b) protruding upward from the upper surface of the roller block 24. It consists of and. The auxiliary roller 25a (or auxiliary roller 25b) is guided by the branching member 18 shown in FIG.

  Here, as shown in FIG. 7 (b), the height is at a position shifted to the rear side of the upper surface of the upper runner 21 (or upper runner 22) provided at each right end of the one sliding door 1a and the other sliding door 1b. Two auxiliary rollers 25a having a low height project upward, and the front of the upper surface of the upper runner 21 (or upper runner 22) provided at each left end of the one sliding door 1a and the other sliding door 1b. Two auxiliary rollers 25b having a high height project upward at a position shifted to the side, and are shifted to the rear side of the upper surface of the upper runner 23 provided at the right end of the central sliding door 1c. A double auxiliary roller 25b composed of two auxiliary rollers 25b having a high height protrudes upward, and the upper runner 23 provided at the left end of the central sliding door 1c Two low in height at a position shifted to the front side of the upper surface Twin auxiliary rollers 25a constituted by auxiliary rollers 25a are are projected upward.

  The branch member 18 is provided on the lower surface of the upper rail 5, and is provided at each branch point of the outer curved rail portion 11, the inner curved rail portion 12, and the curved rail portion 13 shown in FIG. The auxiliary rails 18a to 18f having an inverted U-shaped cross section that is open at the top. The auxiliary rail 18a is formed along the outer curved rail portion 11 at a position shifted to the front side of the left outer curved rail portion 11, and the auxiliary rail 18b is a rear side of the left inner curved rail portion 12. The auxiliary rail 18c is formed along the outer curved rail portion 11 at a position shifted to the rear side of the right outer curved rail portion 11. The auxiliary rail 18 d is formed along the inner curved rail portion 12 at a position shifted to the front side of the right inner curved rail portion 12, and the auxiliary rail 18 e is formed on the left curved rail portion 13. The auxiliary rail 18f is formed along the curved rail portion 13 at a position shifted to the rear side of the right curved rail portion 13 at a position shifted to the front side. A.

  The auxiliary rails 18a, 18d, and 18f are suspended downward from the lower surface of the upper rail 5, and the auxiliary rails 18b, 18c, and 18e are suspended downward from the lower surface of the upper rail 5.

  Then, the roller block 24 having the short double auxiliary rollers 25b shown in FIG. 11 does not interfere with the auxiliary rails 18a, 18d, 18f (FIG. 14) having a short hanging length, and the auxiliary rails 18b having a long hanging length are not interfered. 18c, 18e (FIG. 14) can be bent, while the roller block 24 having the tall double auxiliary roller 25a (FIG. 15) is connected to the short auxiliary rails 18a, 18d, 18f. It can be turned along. Accordingly, by moving the roller block 24 having the short double auxiliary rollers 25b along the rear B of the front straight traveling rail portion 9, it is possible to prevent the drooping length without interfering with the short drooping auxiliary rails 18a and 18d. The long auxiliary rails 18b and 18c are guided, and the roller block 24 having the tall double auxiliary rollers 25a is moved along the front A of the front linear rail portion 9 so that the auxiliary rail having a short drooping length is provided. It is guided by 18a and 18d.

  Next, the interlocking mechanism 15 will be described. As shown in FIG. 11, inclined interlocking metal fittings 15a protruding from the upper end of one sliding door 1a toward the moving path C of the central sliding door 1c are attached to the upper ends of the one sliding door 1a and the other sliding door 1b, respectively. It has been. Receiving members 15e that can be engaged with and disengaged from the inclination interlocking metal fitting 15a are respectively attached to upper ends of both sides of the central sliding door 1c. The slant interlocking metal fitting 15a and the receiving member 15e constitute an interlocking mechanism 15 for transmitting the operating force on the one sliding door 1a side to the central sliding door 1c and opening and closing the central sliding door 1c in conjunction with the one sliding door 1a. .

  Here, the inclination interlocking metal fitting 15a includes a push-side inclination guide surface 15b inclined so as to be positioned in a direction opposite to the opening direction D of the one sliding door 1a from the base end to the tip end, and a push-side inclination guide. A locking surface 15c that bends in the opening direction D of the one sliding door 1a from the tip of the surface 15b, and a pulling side that protrudes from the tip of the locking surface 15c so as to face the push-side inclined guide surface 15b substantially in parallel. The inclined guide surface 15d is integrally formed. Here, in order to efficiently transmit the operating force on the one sliding door 1a side to the central sliding door 1c, the push-side inclined guide surface 15b and the pulling-side inclined guide surface 15d are perpendicular to the moving path C of the central sliding door 1c. It is most preferable to incline. In a state where the one sliding door 1a and the central sliding door 1c are shifted to the left and right, the receiving member 15e does not interfere with the inclination interlocking metal fitting 15a, and the receiving member 15e is pushed on the push side when the one sliding door 1a and the central sliding door 1c substantially overlap. The receiving member 15e is pushed by the push-side inclined guide surface 15b at a stage where the one-side sliding door 1a and the central sliding door 1c are separated from each other back and forth across the other sliding door 1b. The pushing operation force acts in a direction substantially parallel to the moving path C of the central sliding door 1c, and when closing, the central sliding door 1c is in a state where the receiving member 15e is locked to the locking surface 15c. The receiving member 15e is pulled toward the pulling-side inclined guide surface 15d just before the end of the interlocking, and the pulling operation force P2 approaches the direction substantially parallel to the moving path C of the central sliding door 1c. It is intended to use.

  In this example, the receiving member 15e is constituted by a roller.

  Next, the operation will be described. For example, as shown in FIGS. 4 and 9, when the right one sliding door 1a is moved and opened in the opening direction D, the receiving member 15e is tilted interlocking metal fittings when the one sliding door 1a and the central sliding door 1c are shifted to the left and right. 15a, the receiving member 15e comes into contact with the inclined guide surface 15b on the push side of the inclination interlocking metal fitting 15a at the stage where the one sliding door 1a and the central sliding door 1c substantially overlap, and the one sliding door 1a and the central sliding door 1c As shown in FIG. 12 (a), the receiving member 15e is pushed by the proximal end side of the push-side inclined guide surface 15b, and the pushing operation force P1 is increased. It acts in a direction substantially parallel to the movement path C of the central sliding door 1c. That is, an operating force P1 parallel to the movement path C of the central sliding door 1c (the rail direction of the curved rail portion 13) is applied to the receiving member 15e at any position from the proximal end to the distal end of the push-side inclined guide surface 15b. Since it acts, there is no loss of force, and the central sliding door 1c is smoothly opened obliquely rearward. Then, as shown in FIGS. 4 (b) → (c) → (d), when the central sliding door 1c and the one sliding door 1a are separated from each other in the front-rear direction, the receiving member 15e is locked to the locking surface 15c of the tilt interlocking metal fitting 15a. This locked state is maintained until the one sliding door 1a and the central sliding door 1c reach the fully open position.

  On the contrary, when the one sliding door 1a is moved and closed in the closing direction E, the one sliding door 1a and the central sliding door 1c are closed in conjunction with each other while the receiving member 15e is locked to the locking surface 15c. In the stage immediately before the end of interlocking, as shown in FIG. 12B, the receiving member 15e is pulled by the pulling-side inclined guide surface 15d, and the pulling operation force P2 is in a direction substantially parallel to the moving path C of the central sliding door 1c. Acts towards. Thereby, like the case of FIG.12 (a) opening, there is no loss of force and the center sliding door 1c can move diagonally forward smoothly. When the central sliding door 1c reaches the closed position, as shown in FIG. 4D → (c) → (b), the receiving member 15e is disengaged from the pulling side inclined guide surface 15d, and the interlocking is released. Can move to the closed position alone.

  According to the above configuration, since the one-way sliding door 1a and the central sliding door 1c can be interlocked by the interlocking mechanism 15, it becomes unnecessary to manually open and close the central sliding door 1c, and the opening / closing operation becomes extremely easy, and the interlocking mechanism 15 Since the push-side inclined guide surface 15b, the locking surface 15c, and the pull-side inclined guide surface 15d are integrally formed, cost can be reduced.

  Furthermore, the push-side inclined guide surface 15b and the pull-side inclined guide surface 15d of the interlocking mechanism 15 are inclined in a direction opposite to the opening direction D (FIG. 12) of the one sliding door 1a as the tip ends. Therefore, in the interlocking start stage of the one sliding door 1a and the central sliding door 1c, the direction of the pushing operation force P1 applied from the inclined guide surface 15b on the pushing side of the one sliding door 1a to the receiving member 15e of the central sliding door 1c is the direction of the central sliding door 1c. Since it is substantially parallel to the movement path C, the pushing operation force P1 of the one sliding door 1a can be efficiently transmitted to the central sliding door 1c. Further, in the stage immediately before the end of the interlocking of the one sliding door 1a and the central sliding door 1c, the direction of the pulling operation force P2 applied from the inclined guide surface 15d on the pulling side of the one sliding door 1a to the receiving member 15e of the central sliding door 1c is the movement of the central sliding door 1c. Since it is substantially parallel to the path C, the pulling operation force P2 of the one sliding door 1a can be efficiently transmitted to the central sliding door 1c, and as a result, in both cases, the central sliding door 1c can be smoothly opened and closed. . That is, almost all of the operation force P1 (P2) contributes to the movement of the central sliding door 1c, and the loss of force can be eliminated, so that a small operation force is sufficient. As a result, the opening / closing operability is greatly improved.

  Moreover, since the receiving member 15e is composed of a roller, the friction between the inclined interlocking metal fitting 15a and the receiving member 15e is minimized as much as possible at the start of interlocking and immediately before the end of interlocking. Further reduction can be achieved.

  Moreover, in this example, as shown in FIG. 4, the receiving member 15e is attached to the both ends of the central sliding door 1c, respectively, and the right end (the handle side) of the one sliding door 1a and the left end (the handle side) of the other sliding door 1b, Since the tilt interlocking metal fitting 15a is attached, the interlocking mechanism 15 works in either case of left opening or left opening. That is, in the fully closed state where the three sliding doors 1 are arranged in a line without any step, the other sliding door 1a is moved toward the one sliding door 1a (in the embodiment, the other sliding door 1b which is the left sliding door 1 is moved). The central sliding door 1c is moved in conjunction with the other sliding door 1b by the interlocking mechanism 15, and the other sliding door 1b is guided by the guiding mechanism 19 so as to overlap the front side of the one sliding door 1a. 1c can be guided to overlap the rear side of the one sliding door 1a, and can be opened so that the other sliding door 1b, the one sliding door 1a, and the central sliding door 1c are stacked in this order from the front.

  Note that a lower roller 27 protrudes from one central portion of the lower end of each sliding door 1. The lower roller 27 is attached to the center position of each lower end portion of the sliding doors 1a to 1c via an L-shaped bracket (not shown). As shown in FIG. 8, the lower rail 6 that guides the lower roller 27 is provided with left and right curved rail portions 42 and 43 that are inclined toward the rear B from both ends in the longitudinal direction M of the common rail portion 101, respectively. In addition, one curved rail portion 44 that is curved in a semicircular shape toward the front A from the central portion of the central sliding door rail portion 102 that is parallel to the common rail portion 101 and located on the rear side is provided. In addition, 45 in FIG. 8 is an auxiliary rail for branching.

  Here, the position of the curved rail portion 42 on the left side of the lower rail 6 is opposed to the intermediate position between the outer curved rail portion 11 and the inner curved rail portion 12 on the left side of the upper rail 5. The position of the right curved rail portion 43 of the upper rail 5 is opposed to the intermediate position between the right outer curved rail portion 11 and the inner curved rail portion 12 of the upper rail 5, and the curved rail portion 44 of the lower rail 6 The position is opposite to the intermediate position between the left and right curved rail portions 13, 13 of the upper rail 5.

  And the upper end part of each sliding door 1 is suspended and supported by two right and left upper runners 21 (22, 23), while the three sliding doors 1 are flush with each other and closed, the lower roller 27 of the sliding door 1a. Is located at the rear end portion of the right curved rail portion 43, the lower roller 27 of the central sliding door 1c is located at the front end portion of the curved rail portion 44, and the lower roller 27 of the sliding door 1b is located on the left curved rail portion. 42 is located at the rear end. 9C, the lower roller 27 of the other sliding door 1b is positioned at the rear end of the left curved rail portion 42, and the lower roller 27 of the first sliding door 1a is a straight line of the common rail portion 101. The lower roller 27 of the central sliding door 1c is positioned at the left end of the straight portion of the central sliding door rail portion 102. 10C, the lower roller 27 of the sliding door 1a is positioned at the rear end of the right curved rail portion 43, and the lower roller 27 of the other sliding door 1b is a straight line of the common rail portion 101. The lower roller 27 of the central sliding door 1c is positioned at the right end of the straight portion of the central sliding door rail portion 102.

  As described above, the lower end portion is guided to the lower rail 6 by one lower roller 27. As a result, the running of each sliding door 1 can be sufficiently stabilized, and by using one lower roller 27, There is also an advantage that the groove shape of the lower rail 6 can be made simpler than the groove shape of the upper rail 5 and the cost of the lower rail 6 can be reduced.

  In the present invention, the vertical adjustment means 3 for adjusting the height of the sliding door 1 as shown in FIGS. 1 and 2 (that is, the vertical adjustment of the sliding door 1 with respect to the door frame 4) is provided. The vertical adjustment means 3 has a vertical movement member 31 that can move up and down in the sliding door 1, and a runner coupling member 28 is fixed to the vertical movement member 31. The runner connecting member 28 has an inverted L shape composed of a side vertical piece 28a and an upper horizontal piece 28b, and the runner longitudinal axis 30 of the upper runner 2 (21 to 23) is attached to the upper horizontal piece 28b. The side vertical piece 28 a is fixed to the vertical movement member 31. In the present embodiment, a recess 10 having a circular shape in rear view is formed in the rear surface of the upper end of the sliding door 1, and the cylindrical portion 30 a of the holder 30 of the vertical adjustment means 3 is fitted into the recess 10, and the cylindrical portion A plate portion 30b continuously provided from the outer end portion of 30a is fixed by a fixing tool 30c such as a screw along the rear surface of the sliding door 1, and the inside of the cylindrical portion 30a of the holder 30 is a recess 10. Holes 30d and 30e are drilled at the top and bottom of the holder 30, and the upper and lower ends of the vertical adjustment bolt 32 are inserted into the holes 30d and 30e, respectively, and the axis of the vertical adjustment bolt 32 is directed in the vertical direction. And is provided in the recess 10 so as to be rotatable around the shaft. Then, a knob 33 for rotating the vertical adjustment bolt 32 to the lower side of the male screw portion 32a of the vertical adjustment bolt 32 is formed by screwing the female screw portion 31a of the vertical movement member 31 with the male screw portion 32a of the vertical adjustment bolt 32. The vertical adjustment means 3 is formed.

  The height adjustment of the sliding door 1 by the vertical adjustment means 3 will be described. In order to raise the height of the sliding door 1, a finger is inserted into the recess 10 from the rear surface side of the sliding door 1 and the knob portion 33 is rotated, whereby the vertical adjustment bolt 32 is rotated and the male screw portion 32a is screwed. The combined vertical movement member 31 is relatively lowered. The vertical movement member 31 is prevented from rotating together with the vertical adjustment bolt 32 by the restricting portion. In this embodiment, when the vertical movement member 31 tries to rotate around the vertical adjustment bolt 32, it abuts against the inside of the recess 10, that is, the inner surface of the cylindrical portion 30 a of the holder 30, and this functions as a regulating portion. Stopped. As a result, the vertical adjustment bolt 32 and the sliding door 1 rise relative to the vertical movement member 31, but the vertical movement member 31 to which the runner coupling member 28 is fixed does not move up and down with respect to the door frame 4. Therefore, the sliding door 1 will rise with respect to the door frame 4 after all. In the case of lowering, the sliding door 1 is lowered with respect to the door frame 4 by rotating the knob 33 in the direction opposite to the direction of raising and raising the vertical movement member 31 relative to the sliding door 1. Will be.

  According to the above configuration, the three sliding doors 1 are arranged so as to be flush with each other in a closed state, so that the adjacent sliding doors 1 are closed in a state where the three sliding doors 1 are closed. There is no step between them, and it can exhibit the appearance as a series of continuous wall surfaces. At this time, the upper runners 21 to 21 can be arranged in a row with the three sliding doors closed. 23 is attached via a runner connecting member 28 having an inverted L shape, and the runner connecting member 28 is fixed to a vertically moving member 31 that can move up and down in the sliding door 1. The height of the upper runners 21 to 23 can be adjusted by moving the vertical movement member 31 in the sliding door 1 up and down without inserting a tool in the narrow gap, and the sliding door 1 and the door frame 4 Because there is no need to leave a large gap between which tools can be inserted, Dust etc. without invade and in which work a narrow gap must be no height adjustment for inserting a tool is facilitated in. In this case, since the sliding door 1 and the upper runner 2 are connected by the runner connecting member 28 having an inverted L shape, the interior of the closet is made wider by arranging the sliding door 1 forward than the position of the upper rail 5. Can be used.

  Another example of the vertical adjustment means 3 is shown in FIG. This is because, instead of providing the knob 33 on the vertical adjustment bolt 32 as in the above examples shown in FIGS. 1 and 2, a square shape (for example, a hexagonal shape or a square shape) for rotating with a tool such as a spanner fitted. In this case, the sliding door 1 can be moved up and down by inserting a tool such as a spanner into the recess 10 and rotating the screw head 34. .

  The sliding door device according to the present invention can be widely applied to various open / close door fields in addition to a closet door.

(A) is a principal part expansion perspective view of the sliding door apparatus of this invention, (b) is a perspective view of an up-down adjustment means, (c) is a front view of (b). It is a disassembled perspective view of a vertical adjustment means. The other example of an up-down adjustment means is shown, (a) is a front view, (b) is a side view. The opening / closing operation | movement of a sliding door apparatus is shown, (a) is a schematic plan view which shows the state which closed three sliding doors flush, (b) (c) (d) is a schematic plan view which shows the state in the middle of opening / closing (E) is a schematic plan view showing a fully opened state in which three sliding doors are overlapped in the front-rear direction. It is a rear view which shows the state closed to the same surface as the above. The upper rail same as the above is shown, (a) is a perspective view in a state of being upside down, and (b) is an exploded perspective view in a state of being upside down. (A) is a top view which shows arrangement | positioning of the auxiliary rail in an upper rail same as the above, (b) is explanatory drawing which shows the positional relationship of the runner and auxiliary roller which were provided in three sliding doors. It is a top view which shows a lower rail same as the above. (A) (b) (c) is explanatory drawing which shows the operation order of right opening same as the above. (A) (b) (c) is explanatory drawing which shows the operation order of left opening same as the above. It is a perspective view which shows the interlocking mechanism same as the above. (A) is operation | movement explanatory drawing which shows the operation | movement at the time of opening operation of the interlocking mechanism same as the above, (b) is operation | movement explanatory drawing which shows the operation | movement at the time of closing operation. It is sectional drawing which shows the state in which the three sliding doors same as the above overlap. It is sectional drawing which shows the state by which the same double short auxiliary | assistant roller same as the above is guided by the auxiliary rail with a long drooping length. It is sectional drawing which shows the state in which the same high duplex auxiliary | assistant roller same as the above is guided by the auxiliary rail with short drooping length.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Sliding door 1a One sliding door 1b Other sliding door 1c Central sliding door 21 Upper runner 22 Upper runner 23 Upper runner 28 Runner connecting member 3 Vertical adjustment means 31 Vertical moving member 5 Upper rail 9 Guiding mechanism

Claims (1)

A sliding door device having three sliding doors, in a closed state, a central sliding door, one sliding door disposed on one side of the central sliding door, and the other sliding door disposed on the other side of the central sliding door And the three sliding doors are arranged so as to be flush with each other in a closed state, and the one sliding door is moved toward the other sliding door so that the one sliding door overlaps with the other sliding door. And a guide mechanism that guides the central sliding door to move toward the other sliding door and overlaps the other sliding door, and the guide mechanism is attached to the upper part of the sliding door and guides the upper runner to run freely. A runner connecting member for connecting the upper runner to the upper end of the sliding door is bent in a substantially L shape, and the upper runner connected to the runner connecting member is more than the rear surface of the sliding door. Protruding backward Provided at the upper end portion of the sliding door runner connecting member so as to be positioned Te, provided the vertically movable member for vertical movement by the vertical adjusting means in the sliding door, vertical adjustment means that is opened and formed a recess on the rear surface of the upper end portion of the sliding door The holder is inserted into the recess, and the holder is provided with a hole into which the upper and lower ends of the vertical adjustment bolt having a male screw portion are inserted, and the axis of the vertical adjustment bolt faces in the vertical direction around the axis. The knob is inserted into the holder so as to be rotatable, and a knob for rotating the vertical adjustment bolt is provided below the male screw portion of the vertical adjustment bolt, and a vertical movement member is screwed to the male screw portion of the vertical adjustment bolt. while if, sliding doors equipment that vertical movement member is made provided with a regulating portion for regulating a to rotate together with the vertical adjustment bolt, characterized in that it comprises securing the runner connecting member to the vertically movable member.

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