JP3920870B2 - Interlocking draw type hanging door device - Google Patents

Description

  The present invention relates to an interlocking draw-type suspension door device that opens and closes a door frame opening by sliding a sliding door on the other side in the opposite direction when one side sliding door slides in one direction.

  Conventionally, this kind of interlocking draw type hanging door device is mounted with the door 1 in the vertical direction on the door end side and the door bottom side of the upper end surface of the pair of left and right sliding doors a and b, for example, as shown in FIG. The suspended vehicle bodies 2a, 2b, 3a, 3b are assembled. Of these, wire attachment angles 4a and 4b are attached to the suspension body 2a and 3a on the door end side. On the other hand, on the upper frame c of the door frame opening s, a guide rail 5 composed of two rails 5a and 5a disposed so as to abut each other in the longitudinal direction is fixed along the sliding door opening / closing direction.

Therefore, when the sliding doors a and b are suspended on the upper frame c, the door 1 is engaged with the rails 5a and 5a, and the sliding doors a and b are slidably suspended on the guide rails 5 while the guide rails 5 Above the left and right ends, the pulleys 6a and 6b are pivotally supported by the tension adjusting bracket 7 in the horizontal direction and attached to the upper frame c. The left and right pulleys 6a and 6b are respectively looped with end-linked interlocking wires 8a and 8b, and one end of the straight wire portion of each interlocking wire 8a and 8b is connected to the wire mounting angle 4a on the sliding door a and the other end is connected. The wire is attached to the wire mounting angle 4b on the sliding door b and connected to the whole in a loop shape. In the interlocking wires 8a and 8b wound in a loop in this way, the straight wire portion on the back side in the figure is connected to the left sliding door a, while the straight wire portion on the near side is connected to the right sliding door b. And if sliding door a is slid in one direction, according to the rotation of wires 8a and 8b, the sliding door b on the other side will simultaneously slide in the opposite direction to open and close the door frame opening s. It has become.
JP 2002-201849 A

  However, the conventional interlocking draw type hanging door device is a door wheel in which a vertically long and relatively large suspension body 2a, 2b, 3a, 3b provided with a door wheel 1 and wire attachment angles 4a, 4b are mounted on the sliding doors a, b. In order to prevent the wires 8a and 8b for interlocking the sliding doors a and b from being entangled with the door pulley 1, the attachment points of these interlocking wires are arranged at a height position separated upward from the suspended vehicle body. Because of the structure, it is necessary to secure an additional installation space in the vertical direction above the door frame opening s, which increases the overall size of the device, but with a wide curtain from the front side. There is a problem that the appearance around the sliding door is poor in terms of aesthetic appearance, so that it needs to be blindfolded.

  Moreover, in the mounting structure of the conventional interlocking draw type hanging door device, when hanging both the sliding doors a and b on the upper frame c, the interlocking wires 8a and 8b are connected while taking care not to cross the straight wire portions. It must be attached to the wire mounting angles 4a and 4b, and must be assembled to the corresponding suspended vehicle body 2a and 3a so that the right and left of these mounting angles are not mistaken. There was also a problem that it took a lot of work to install.

  Therefore, the object of the present invention is to make the aesthetics of the sliding door simple so that the installation space of the device is small and need not be blindfolded with the curtain, and the sliding door is easily suspended without troublesomely on the upper frame of the door frame opening. It is an object of the present invention to provide an interlocking draw-type hanging door device that can be installed.

In order to achieve the object of the invention described above, the invention according to claim 1 is a sliding door support-side hanging bracket unit that is attached downward to an upper frame of a door frame opening that is opened and closed by a pair of left and right sliding doors. A sliding door-side suspension bolt projecting from the end face, and the suspension bolt is connected to the suspension bracket unit so that both sliding doors are slidable in the opening and closing direction, and the sliding door on one side slides in one direction. Then, in conjunction with this, it is an interlocking draw type hanging door device that opens and closes the door frame opening by sliding the sliding door on the other side in the opposite direction, and the hanging bracket unit is in the longitudinal direction of the upper frame A slide rail body, in which a pair of left and right inner rails are vertically stacked with respect to an outer rail fixed along the upper and lower sides of the outer rail, and are slidably engaged via a number of balls held by a retainer, and a slide rail body A pair of left and right pulley journalled sideway sideways rotatably respectively on the upper frame in the length direction both sides between the outer rail, in correspondence to the diameter and height thereof pulleys, the height and width First and second mounting brackets having a height raising spacer of a prescribed size, a notch hole to which the suspension bolt is hooked, and fixing the height raising spacer to the left and right inner rails, respectively; And while sandwiching the height raising spacer of the second mounting bracket between parallel linear wire portions, loop around the pulley, and connect the one side linear wire portion to the height raising spacer of the first mounting bracket, and a interlocking wire wound around for reciprocal rotation between the pulley without entangled with each other by connecting the straight wire portion of the other side to the height raising spacer of the second mounting member, when hanging sliding door, Serial hooking the head of the hanger bolts into the notch hole of the first and second mounting brackets, and characterized by being suspended to be hanging off at the hanger unit the sliding door.

  According to a second aspect of the present invention, in the first aspect of the present invention, the interlocking wire is formed by a single end-shaped wire material in which a pair of stopper terminals are fixed with a slight gap therebetween. In addition, the wire is provided with a wire fastening tube that allows both ends of the wire to overlap and is inserted and fastened in a crimped state to connect the interlocking wires in a loop shape, while raising either one of the first and second mounting brackets The spacer is provided with a notch recess for engaging the wire portion between the stopper terminals and sandwiching between the stopper terminals when the interlocking wire is wound between the pulleys, while the other height raising spacer Similarly, when winding the interlocking wire, a pair of notch recesses that engage and hang the wire portions on both sides with the wire fastening tube sandwiched therebetween. And characterized in that it comprises a.

  According to the first aspect of the present invention, (1) a thin slide rail body is used, and the first and second mounting brackets are fixed to the left and right inner rails. Because it is configured to secure a common space between the pulleys for linking the interlocking wire and for attaching the sliding door, an extra wide installation space in the vertical direction is secured on the upper side of the door frame opening. Even if it does not exist, installation of the draw-type suspension door apparatus provided with the interlocking mechanism of the sliding door can be realized. Accordingly, since the apparatus becomes compact as a whole and requires less space for installation, it is not necessary to cover the screen with a curtain plate from the front side, and the appearance around the sliding door can be improved by improving the appearance of the sliding door. (2) Moreover, when the sliding door is suspended, the head of the hanging bolt on the sliding door side is inserted into the notch holes of the first and second mounting brackets on the sliding door support side without going through a complicated mounting process as in the prior art. The draw-type sliding door can be easily assembled to the upper frame of the door frame opening without trouble.

  According to the second aspect of the present invention, the interlocking wire is wound around the pulley, and the wire portion between the stopper terminals is engaged with the notch recess in one of the first raising spacers of the first and second mounting brackets. Pulling the interlocking wire between the stopper terminals and engaging the wire part on both sides with the notch recess of the other raised spacer in the state where the wire fastening tube is sandwiched between them to lock the interlocking wire It is possible to easily and surely wind between the pulleys without interlacing each other by sandwiching the height raising spacer between the parallel straight wire portions.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  1 is an external perspective view showing an interlocking draw type hanging door device as an example of the present invention in a suspended state, FIG. 2 is an exploded perspective view of the interlocking draw type hanging door device, and FIG. 3 is an assembled perspective view. FIG. 4 is an enlarged end view seen from one end side. The interlocking draw type hanging door device of the illustrated example is provided with a sliding door side latch fitting unit C attached to a pair of left and right wooden sliding doors A and B, and a wooden upper frame 10 of a door frame opening S that is opened and closed by the sliding doors A and B. The sliding door supporting side hanging bracket unit D to be attached is configured by roughly classifying components.

  In the illustrated example, the latch bracket unit C includes a pair of latch brackets 11, 11, 12, and 12 that are respectively mounted on the sliding doors A and B. Each of the latch brackets includes an elongated attachment plate 13, and An embedded nut 14 and a suspension bolt 15 are provided (see FIG. 5). The attachment plate 13 is screwed to the door end side and the door bottom side near the mouth end surface on the upper end surfaces of the sliding doors A and B, respectively. The suspension bolt 15 has a screw shaft portion 15 a passed through a bolt insertion hole 13 a of the mounting plate 13 and screwed into a nut 14 embedded in advance under the screw shaft portion 15 a to project a bolt head portion 15 b from the mounting plate 13.

  On the other hand, as shown in FIG. 1 to FIG. 3, the hanging bracket unit D includes a pair of left and right slide rail bodies r 1, r 2, pulley assemblies 18, 18, interlocking wires 19, 19, and first attachment. It consists of metal fittings 20 and 20 and second attachment metal fittings 21 and 21.

  The slide rail bodies r1 and r2 are each assembled into a thin slide rail structure using an outer rail 24, an inner rail 25, a retainer 26, and a large number of balls 27 (see FIG. 4).

  The outer rail 24 is formed by forming a belt-shaped metal plate with a press, curving both side edges of the flat mounting plate portion 24a inwardly facing each other, and forming a ball guide portion 24b there. The inner rail 25 is formed by press using a band-shaped metal plate having a length obtained by subtracting the distance of the predetermined sliding door opening / closing stroke from the length of the outer rail 24, and is bent in a substantially U-shaped cross section at the center. The side edges of 25a are curved outwardly away from each other to form ball guide portions 25b there. The retainer 26 is bent using a long metal plate, and a plurality of support piece portions 28a... Bent in a U-shape are connected to parallel retainer main body portions 28 and 28, and each support piece portion 28a is connected to each other. Each holding hole is formed, and a metal small-diameter ball 27 is fitted into each holding hole so as to be freely rollable.

  Then, the retainer 26 is engaged with the outer rail 24 so that the held ball 27 is engaged with the left and right ball guide portions 24 b and then the inner rail 25 is engaged with the left and right ball guide portions 25 b with the ball 17. Thus, the slide rail bodies r1 and r2 are assembled by being fitted into the retainer 26 and slidably fitted to the outer rail 24 via the retainer 26, respectively. Therefore, when the inner rail 25 is slid, the slide rail bodies r1 and r2 roll the balls 27 between the rails 24 and 25 and are pushed by the balls 27 so that the retainer 26 is moved against the outer rail 24. At the same time, the inner rail 25 is set to move relative to the outer rail 24 by a predetermined opening / closing stroke.

  As shown in FIGS. 1 to 3, each of the pulley assemblies 18 and 18 includes a pulley 30, a mounting plate 31 of the pulley 30, and a tension adjustment fitting 32. The pulley 30 is pivotally supported by inserting the axle 30a into the elongated hole of the mounting plate 31 and laying sideways so that the mounting plate 31 can rotate and move in the left and right sliding door opening and closing directions. The tension adjustment fitting 32 adjusts the screwing amount of the adjustment nut 33 provided therein to the adjustment bolt 34 to move the pulleys 30 and 30 via the movable plate 35 and hang them around the pulleys 30 and 30. It has a structure for adjusting the tension of the interlocking wires 19 and 19 (see FIGS. 5 and 6). These interlocking wires 19 and 19 are each made of a metal wire having an end shape.

  As shown in FIGS. 1 to 3, the first mounting brackets 20 and 20 are provided in pairs with the latching brackets 11 and 11 of the latching bracket unit C, and the second mounting brackets 21 and 21 are hooked. A pair of stoppers 12 and 12 is provided. These left and right mounting brackets 20, 20, 21, 21 are each composed of a height raising spacer 40 and a bolt mounting case 41. The height raising spacer 40 is formed of an elongated rectangular aluminum block having a height and a width that correspond to the height and diameter of the pulley 30. The bolt mounting case 41 is formed by bending a metal plate into a substantially thin box shape as a whole, and provided with screw-fastening flanges 41a bent in L plate shapes at both ends in the longitudinal direction, and opening one side surface to open a bolt mounting port. And a bolt retaining cover 42 is removably secured to the bolt mounting opening with a screw. On the other hand, the bottom plate portion 41 b is provided with a U-shaped cutout hole 45 for hanging the suspension bolt 15 on the side edge near the bolt retaining cover 42. The first mounting brackets 20 and 20 are respectively fixed to the inner rail 25 of the slide rail body r1 by set screws 44 and 44 with the bolt mounting case 41 raised and the spacer 40 interposed therebetween. Similarly, the second mounting brackets 21 and 21 are respectively secured to the inner rail 25 of the slide rail body r2 by set screws 46 and 46 with the bolt mounting case 41 raised and the spacer 40 interposed therebetween (FIG. 5). (See FIG. 6).

  Therefore, when the sliding doors A and B are suspended from the upper frame 10 of the door frame opening S, the suspension bracket unit D having the above-described component configuration includes the first and first outer rails 24 of the slide rail bodies r1 and r2. 2 With the mounting brackets 20, 20, 21, 21 facing downward, screws are attached to the upper surface in the long groove 10 a provided in the upper frame 10 (see FIG. 4). Then, as shown in FIGS. 1 to 3, the pulleys 30 and 30 are opposed to the upper surface in the long groove 10 a of the same upper frame 10 on both sides in the length direction with the outer rails 24 and 24 sandwiched therebetween. The tension adjusting brackets 32 and 32 of the pulley assemblies 18 and 18 are attached. After that, the interlocking wires 19, 19 are routed between the left and right pulleys 30, 30. At that time, the interlocking wires 19, 19 are connected to each other at both ends 19 a, 19 b with a small-diameter pulley-like wire ring 50, 51 and connected to the whole in a loop shape, and then hang around the pulleys 30, 30, The first wire ring 50 is screwed to the side surface 40a on the laborious side in the drawing of the height raising spacer 40 of the first mounting bracket 20, while the second wire ring 51 is fastened to the height raising spacer 40 of the second mounting bracket 21. Screw on the back side in the figure. At this time, the interlocking wires 19 and 19 are arranged between the pulleys 30 and 30 without being entangled with each other by sandwiching the height raising spacer 40 of the first and second mounting brackets 20 and 21 between the parallel straight wire portions between the pulleys 30 and 30. It is wound so that reciprocating rotation is possible.

  In the illustrated interlocking drawer type sliding door apparatus, after the hanging bracket unit D is assembled to the upper frame 10 in this manner, the bolt retaining lids 42 of the first and second mounting brackets 20, 20, 21, 21 are removed, Suspend sliding doors A and B. In that case, the sliding doors A and B are suspended by hooking the heads 15b of the respective suspension bolts 15 in the hooking metal fitting unit C into the cutout holes 45 of the first and second mounting brackets 20, 20, 21 and 21. After that, it is only necessary to attach the bolt retaining lid 42 to the bolt mounting ports of the first and second mounting brackets 20, 20, 21, 21 and close the notch hole 45 to prevent the suspension bolt 15 from coming off.

  Then, as shown in FIGS. 1 and 7, the interlocking draw type hanging door device illustrated in FIGS. 1 and 7, when a hand is put on the handle 55 and the sliding door A is pushed in one direction, via the first mounting brackets 20 and 20. The inner rail 25 of the slide rail body r1 slides with respect to the outer rail 24, and the interlocking wires 19 and 19 rotate accordingly. Then, the sliding door A slides in one direction in which the straight wire portion on the near side in the figure of the interlocking wires 19 and 19 moves, and at the same time, the sliding door B interlocks with the moving direction of the straight wire portion on the far side in the figure. The door frame opening S is opened and closed by sliding in the other direction opposite to.

  In the illustrated interlocking draw type sliding door device, in the illustrated example, the first and second mounting brackets are formed as separate bodies of the height raising spacer 40 and the bolt mounting case 41, but these are integrally formed. Can also be configured.

  Now, in the above-described interlocking draw type hanging door device, the interlocking wire uses two end-shaped wires 19 and 19 and connects both ends 19a and 19b to the wire rings 50 and 51 to form a loop. The first wire ring 50 is attached to the raised spacer 40 of the first mounting bracket 20 while the second wire ring 51 is second attached. It was a structure attached to the raised spacer 40 of the metal fitting 21. However, the interlocking draw type hanging door device of the present invention includes a wire mounting structure as shown in the following illustrated example instead of the above wire mounting structure, and the interlocking wire is based on the first and second mounting brackets based thereon. It can also be set as the structure which attaches to the height raising spacer of this, and winds between pulley 30 * 30. In the following illustrated examples, the same components as those in the interlocking draw type hanging door device in the first illustrated embodiment are given the same reference numerals, and the description of the same components is omitted.

  FIG. 8 is an external perspective view showing an interlocking draw type hanging door device having another wire mounting structure in a sliding door suspended state, and FIG. 9 is an exploded perspective view of another example of an interlocking draw type hanging door device. 10 is an enlarged perspective view showing the first mounting bracket side of the interlocking draw type hanging door device, and FIGS. 11 and 12 are enlarged perspective views showing the second mounting bracket side. In the interlocking draw type hanging door device of the other example shown in the figure, the interlocking wire 19 provided in the hanging bracket unit D uses a single metal end wire, and a pair of stopper terminals 55 and 55 are fixed in the middle of the wire. It has a configuration. The stopper terminals 55 and 55 in the illustrated example are made of small metal balls provided through the wire holes. The stopper terminals 55 and 55 are caulked to the middle of the interlocking wire 19 in a state where the interlocking wire 19 is inserted into the respective wire holes and slightly spaced from each other. In the illustrated example, metal balls are used as the stopper terminals 55 and 55, but they may be made of hard resin or the like, and the shape is not limited to a sphere. Then, the interlocking wire 19 is produced by connecting both end portions 19c and 19c in an endless loop shape using the fastening bracket 59.

  The fastening bracket 59 includes a wire fastening pipe 60 and a fastening screw 61 as shown in FIG. The wire fastening tube 60 includes a pipe hole 60a having a caliber size through which two ends of the interlocking wire 19 are inserted, and two female screws that are formed in a direction perpendicular to the pipe hole 60a and communicate with the pipe hole 60a. It is formed by providing a hole 60b. On the other hand, the fastening screw 61 has a male screw portion 61a corresponding to the female screw hole 60b of the wire fastening tube 60 threaded on the outer periphery. The screw base end portion 61b is provided with a fitting hole 61c having a polygonal cross section, for example, a hexagonal cross section, into which a distal end of a tightening tool, for example, an L bar-shaped hexagon wrench 62 is fitted. Therefore, when the interlocking wire 19 is connected in a loop shape, both ends 19c and 19c of the wire are overlapped with the pipe hole 60a of the wire fastening tube 60, and the tip of the hexagon wrench 62 is fitted into the fitting hole 61c. Then, the tightening screw 61 is screwed in, and both ends 19c and 19c of the interlocking wire 19 are crimped in the wire fastening tube 60 at the tip of the screw and fastened.

  On the other hand, of the pair of first mounting brackets 20 and 20 provided in the hanging bracket unit D, as shown in FIG. 9, the height raising spacer 40 of the mounting bracket on the door end side (right side in the drawing) The plate 65 is attached. On the other hand, of the second mounting brackets 21 and 21, a wire retaining case 70 is mounted on the height raising spacer 40 of the mounting bracket on the door end side (left side in the drawing).

  As shown in an enlarged view in FIG. 10, the wire latching plate 65 is bent into an L-plate shape, and is formed in a slit-like notch recess 66 upward in the height direction in the drawing near one side of the standing plate portion 65a. Is provided. Then, with the notch recess 66 facing upward in the drawing and projecting from the height raising spacer 40 to the back side in the drawing, the standing plate portion 65a is screwed to the door end side end surface 40b of the height raising spacer 40. (See FIG. 14).

  As shown in FIGS. 11 and 12, the wire hooking case 70 includes a case main body 71 and a cap 72. The case main body 71 is bent into a substantially U shape with the lower side in the figure opened by using a slightly long metal plate, and is formed in a slit shape downward in the height direction in the figure on the opposite standing plate parts 71a and 71b, respectively. Notched recesses 77 and 77 are provided. In addition, a mounting plate portion 71c extending to the rear side in the drawing with respect to the height raising spacer 40 is projected from the one-side standing plate portion 71a. The notched recesses 77 and 77 are provided with fitting recesses 77a that are cut in a small arc shape in the middle in the height direction so as to face each other. The case main body 71 has the notch recesses 77 and 77 facing downward in the drawing so as to protrude from the height raising spacer 40 to the front in the drawing, and the mounting plate portion 71c is lifted to the door bottom side end surface of the height raising spacer 40. It is screwed to 40c (see FIG. 15).

  On the other hand, as shown in FIGS. 11 and 12, the cap 72 is integrally formed of a resin in a rectangular block shape in accordance with the case main body 71, and a pair of wire receiving pieces 72a and 72a project upward from the left and right side surfaces in the figure. The guide recesses 75 and 75 are provided on the upper edges of the wire receiving pieces 72a and 72a. In addition, fitting convex portions 72b and 72b are provided on the left and right side surfaces so as to correspond to the fitting concave portions 77a, respectively, and a mounting plate piece 72c extending horizontally from the lower surface to the one side in the figure is projected on one side surface. Has been established. As will be described later, the cap 72 is used by being fitted into the case body 71 when the interlocking wire 19 is wound between the pulleys 30 and 30. At that time, with respect to the case main body 71 fixed to the height raising spacer 40, the cap 72 is pushed from below with the guide recesses 75 and 75 facing upward in the figure, and the fitting protrusions 72 b and 72 b are fitted into the fitting recess 77 a. The mounting plate piece 72c is raised and screwed to the lower surface of the spacer 40 in the drawing to assemble the wire hooking case 70. Then, a pipe holding portion 80 is formed in the wire hooking case 70 so as to sandwich and fasten the fastening bracket 59 between the case main body 71 and the cap 72.

  Therefore, in the interlocking draw type hanging door device having the above-described wire mounting structure, when the interlocking wire 19 is wound between the pulleys 30 and 30 when the suspension bracket unit D is assembled, the fastening bracket 59 is used to connect each other in advance. As shown in FIG. 10, the wire portion 19d between the stopper terminals 55 and 55 is connected to the first wire 19d between the stopper terminals 55 and 55. The mounting bracket 20 is inserted into and engaged with the notch recess 66 of the wire latching plate 65 and sandwiched between the stopper terminals 55 and 55 to be latched. On the other hand, as shown in FIG. 11 and FIG. 12, the fastening metal fittings are engaged while engaging the wire portions on both sides from below with the notch recesses 77 and 77 of the wire retaining case 70 that has been previously opened by removing the cap 72. 59 is placed in the case body 71. Thereafter, the cap 72 is pushed into the case main body 71 to fit the fitting convex portions 72b and 72b into the fitting concave portion 77a, and the fastening bracket 59 is placed on the cap 72 in the pipe holding portion 80. Hold immovable. At the same time, the wire portions are engaged and received by the guide recesses 75 and 75 on both sides of the fastening bracket 59, and are latched by the notch recesses 77 and 77 with the fastening bracket 59 sandwiched therebetween. Thus, the interlocking wire 19 can be easily and reliably without being entangled with each other in the state where the height raising spacer 40 of the first and second mounting brackets 20 and 21 is sandwiched between the parallel straight wire portions between the pulleys 30 and 30. The pulleys 30 and 30 are wound so as to be reciprocally rotatable.

It is a perspective view which shows the interlocking draw type suspension door apparatus which is an example of this invention in the suspended state of a sliding door. It is a disassembled perspective view of an interlocking draw type hanging door apparatus. It is an assembly perspective view of an interlocking draw type hanging door device. It is an expanded end view which shows an interlocking draw type hanging door apparatus seeing from one end side. It is a partial enlarged front view which shows the principal part of an interlocking | drawing draw type hanging door apparatus. It is a partial enlarged plan view which shows the principal part of an interlocking draw type hanging door apparatus. It is a perspective view which shows an interlocking draw type hanging door apparatus in the open state of a sliding door. It is an external appearance perspective view which shows the interlocking draw type suspension door apparatus provided with the other wire attachment structure in a sliding door suspended state. It is a disassembled perspective view of the interlocking draw type hanging door apparatus of another example. It is a perspective view which expands and shows the 1st attachment bracket side of the interlocking draw type hanging door apparatus. It is a perspective view which expands and shows the 2nd attachment bracket side of the interlocking draw type hanging door apparatus. It is the same partial expansion perspective view seen from another angle different from FIG. It is a partial expansion perspective view which shows the state which connected the interlocking | linkage wire with the fastener. It is an assembly perspective view of the interlocking draw type hanging door device of other examples shown in FIG. It is an assembly perspective view of the interlocking draw type hanging door device of other examples shown in FIG. It is a front view of the conventional interlocking draw type hanging door apparatus.

Explanation of symbols

A / B Sliding door C Hanging bracket unit D Hanging bracket unit S Door frame opening r1, r2 Slide rail body 10 Upper frame 15 Hanging bolt 19 Linking wire 20 First mounting bracket 21 Second mounting bracket 24 Outer rail 25 Inner rail Rail 26 Retainer 27 Ball 30 Pulley 40 Height raising spacer 45 Notch hole 55 Stopper terminal 60 Wire fastening tube 66/77 Notch recess

Claims (2)

The sliding door support-side hanging bracket unit that is mounted downward on the upper frame of the door frame opening that opens and closes with a pair of left and right sliding doors, and the sliding door-side suspension bolts that project from the upper end surfaces of both sliding doors, The sliding door is connected to the suspension bracket unit so that both sliding doors are slidably movable in the opening and closing direction, and when one sliding door slides in one direction, the other sliding door is slid in the opposite opposite direction. An interlocking draw type hanging door device for opening and closing the door frame opening,
The hanging bracket unit is
A slide rail body formed by stacking a pair of left and right inner rails vertically with respect to the outer rail fixed along the longitudinal direction of the upper frame, and slidably engaged via a number of balls held by a retainer,
A pair of left and right pulley journalled respectively on the upper frame of the outer rail of the slide rail body in the length direction on both sides sandwiching rotatably sideway sideways,
Corresponding to the diameters and heights of these pulleys, the spacer has a height raising spacer with a height and a width defined, and a notch hole to which the suspension bolt is hooked, and the height raising spacer is connected to the left and right inner rails. First and second mounting brackets respectively fixed to
Across the height increasing spacer of the first and second mounting brackets by parallel straight wire portions wound around in a loop between the pulleys, connecting the straight wire portion of the one side to the height raising spacer of the first mounting member On the other hand, the other side straight wire portion is connected to the height raising spacer of the second mounting bracket and includes an interlocking wire wound so as to be reciprocally rotatable between the pulleys without being entangled with each other ,
When the sliding door is suspended, the head of the suspension bolt is hooked in the notch hole of the first and second mounting brackets, and the sliding door is suspended so as to be detachable by the suspension bracket unit. The interlocking draw type hanging door device. The interlocking wire is formed of one end-like wire material in which a pair of stopper terminals are fixed at a slight distance along the way, and both ends of the wire are overlapped and inserted in a crimped state. While comprising a wire fastening tube that connects the interlocking wires in a loop shape,
When the interlocking wire is wound between the pulleys, the wire portion between the stopper terminals is engaged with the height raising spacer of one of the first and second mounting brackets and sandwiched between the stopper terminals. On the other hand, when the interlocking wire is similarly wound on the other height raising spacer, the wire portions on both sides are engaged with each other with the wire fastening tube sandwiched between them. The interlocking draw type hanging door device according to claim 1, comprising a pair of notch recesses to be hooked.

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