JP2006028833A - Suspension device for door plate - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To easily and appropriately assemble a runner built in an upper rail, to a runner holder mounted to the door plate side. <P>SOLUTION: The runner holder 2 comprises a mounting part 20 to the door plate D'; a holding recessed part 21 receiving a head part 13 of a suspension shaft 12 from the front side; and a through groove 22 for the suspension shaft 12 opened at the front end of the groove, communicating with the upper part of the holding recessed part 21 and having a groove width narrower than the thickness of the head part 13 of the suspension shaft 12. The holding recessed part 21 is provided inside with a locking piece 23 once retreating outward from the holding recessed part 21 by abutting on the head part 13 following the entry of the head part 13 of the suspension shaft 12 into the holding recessed part 21 and then returning springingly into the position before the retreat in a position where the head part 13 has completely entered the holding recessed part 21, and fitted to the side, facing the inlet side of the holding recessed part 21, of the head part 13. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an improvement of a suspension device used for supporting a door plate constituting a folding door and the like so as to be movable along the upper rail in a suspended manner.

  A case body provided with a guide roller incorporated in the guide rail and a base cup body fixed to the door plate. The case body was formed by fitting the case body into the fitting recess of the base cup body. The engagement step portion of the fitting protrusion is locked to the locking step portion formed in the fitting concave portion of the base cup body, and this fitting state is maintained, so that the door plate is attached to the guide rail via the mounting device. There is what is shown in Patent Document 1 as a suspension that is supported in a suspended form.

However, since the attachment device maintains the fitting state by the fitting protrusion of the case body, the attachment device has directionality in fitting the case body into the fitting recess of the base cup body. . That is, the case body is fitted into the fitting recess of the base cup body only in a state in which the case body is positioned so that the fitting protrusion of the case body is arranged in a direction along the insertion direction of the case body into the base cup body. Could not be fitted.
Japanese Patent No. 3367765

  The main problem to be solved by the present invention is that in this type of device used to support a door plate constituting a folding door and the like so as to be movable along the upper rail and suspended on the upper rail, A runner incorporated in the rail and a runner holder attached to the door plate side can be easily and appropriately assembled.

In order to solve the above-described problems, in the present invention, the door plate suspension device has the following configurations (1) to (6).
(1) A device for supporting a door plate constituting a folding door or the like in a suspended manner on the upper rail so as to be movable along the upper rail,
(2) It has a runner and a runner holder,
(3) The runner
A runner body that is inserted into the upper rail so that it can run,
It has a hanging shaft provided so as to protrude downward from the lower part of this runner body,
(4) A head is formed at the lower end of the suspension shaft,
The suspension shaft or head is rotatable about the axis of the suspension shaft,
(5) The runner holder
Attaching part to door plate,
A holding recess for receiving the head of the suspension shaft from the front;
The groove front end is opened, and a hanging shaft through groove with a groove width narrower than the thickness of the head of the suspension shaft communicating with the upper portion of the holding recess is provided.
(6) Moreover, in the holding recess, after the head of the suspension shaft is inserted into the holding recess, the head is abutted against the head and once retracted toward the outside of the holding recess. A lock piece is provided that is returned to the position before retreating at a position where the head is fully inserted into the holding recess and is hooked to the side of the head facing the entrance side of the holding recess. .

  According to such a configuration, the runner holder is attached to the door plate with the attachment portion, and the runner body is assembled to the upper rail so as to be able to travel along the upper rail, and then suspended from the upper rail. By inserting the head of the shaft into the holding recess of the runner holder, the door plate can be supported in a suspended manner in a suspended state while being movable along the upper rail via the suspension device. it can.

  That is, the suspension shaft is passed through the through groove with its head inserted into the holding recess, so that the head does not slip upward from the holding recess. Since the lock piece is engaged with the side of the holding recess facing the entrance side, the head does not slip out of the holding recess.

  In addition, since the suspension shaft or head is rotatable about the axis of the suspension shaft, the door plate suspended from the upper rail is a door plate constituting a folding door. Even if it exists, the folding operation | movement of this folding door is not prevented. Therefore, when the runner holder is provided on the opposite side to the connecting side by the hinges of the two door plates constituting the folding door, respectively, the runner body of the runner that suspends one of the two door plates, By closing the two door plates so that the runner body of the runner that suspends the other of the two is sandwiched and abutted on the side opposite to the connecting side by the hinges of the two door plates, The suspension shafts of the runners corresponding to the two door plate runner holders can be inserted and held simultaneously.

  In addition, since the lock piece is provided on the holding recess side, the suspension shaft or its head can be rotated as described above, but regardless of the rotation position of this suspension shaft or head, By simply inserting the head into the holding recess, the head can be held by hooking a lock piece on the head, and the door plate can be easily and smoothly suspended from the upper rail. Can be. That is, there is no directionality in the insertion of the head of the hanging shaft of the runner into the holding recess of the runner holder.

The runner holder has a holder base and a slider incorporated in a slide recess provided in the holder base so as to be slidable vertically.
This holder base is provided with an attachment to the door plate,
The slider is provided with a holding recess and a through groove,
In addition, on the left and right side walls of the slide recess of the holder base, a set-up hook and a pre-set hook positioned above the set-up hook are provided.
A door plate that is hooked to the hook for presetting on the left and right outer sides of the slider, and once hooked downward, the hook is hooked to the hook for setup and supported in a suspended manner. There is a case in which a hooked portion for raising the lower end level is provided.

  In this case, the head of the runner's suspension shaft is inserted into the holding recess of the runner holder with the lower end of the door plate in contact with the floor surface, and the door plate is attached to the upper rail via the suspension device. After joining, the slider that had engaged the part to be engaged with the pre-setting engagement part is moved downward, and the door plate is lifted to re-engage the engagement part with the engagement part for setup. A clearance can be appropriately created between the lower end of the plate and the floor surface after the joining. That is, it is not necessary to perform the joining while lifting the door plate, and this joining work can be easily performed.

In the runner body of the runner,
A nut body that is rotatably held in the runner main body and is screwed into a male screw portion formed on the upper end portion of the suspension shaft to support the suspension shaft,
In some cases, a rotary operation body that is rotated by an operation from below and that rotates the nut body along with the rotation to raise and lower the suspension shaft may be incorporated.

  In this case, from the state where the head of the runner's suspension shaft is inserted and held in the holding recess of the runner holder and the door plate is suspended from the upper rail, the lower end of the suspended door plate, the floor, etc. Can be finely adjusted easily.

The runner holder has a holder base and a slider incorporated in a slide recess provided in the holder base so as to be slidable vertically.
This holder base is provided with an attachment to the door plate,
The slider is provided with a holding recess and a through groove,
In addition, the holder base is rotatably supported by the lower part of the holder base with the screw head facing the lower part of the holder base, and the shaft part is screwed into the screw hole formed in the slider. A screw may be provided.

  In this case, the slider can be moved up and down by inserting a tip of a screwdriver or the like into the screw head of the adjustment screw and rotating the adjustment screw from below. Then, with the lower end of the door plate in contact with the floor or the like, the head of the runner's suspension shaft is inserted into the holding recess of the runner holder, and the door plate is attached to the upper rail via the suspension device. After joining, by moving the slider downward and lifting the door plate, a clearance can be appropriately created between the lower end of the door plate and the floor surface after the joining. That is, it is not necessary to perform the joining while lifting the door plate, and this joining work can be easily performed.

  The left and right side walls and the lower wall of the holding recess between the entrance edge of the holding recess and the lock piece have inclined surfaces that are inclined so as to gradually widen the holding recess toward the entrance edge. Sometimes it is left.

  In this case, the head of the suspension shaft can be smoothly introduced into the holding recess of the runner holder.

  According to the suspension device according to the present invention, the runner incorporated in the upper rail and the runner holder attached to the door plate side are exceptionally oriented in the direction of insertion of the suspension shaft provided in the runner into the holding recess of the runner holder. Without paying attention to the above, by inserting the head of the suspension shaft into this holding recess, it can be firmly assembled, and the door plate that constitutes the folding door can be moved along the upper rail. The operation of supporting the upper rail in a suspended manner can be easily and smoothly performed.

  The best mode for carrying out the present invention will be described below with reference to FIGS.

  1 to 8 show one of the embodiments of the present invention, and FIGS. 9 to 14 show another one of the embodiments of the present invention.

  Specifically, FIG. 1 shows a state in which the holder base 200 and the slider 210 of the runner holder 2 constituting the suspension device T are separated, and FIGS. 2 to 4 show the runner holder 2 respectively. FIGS. 5 and 6 respectively show the state in which the door plate D ′ is supported in a suspended manner on the upper rail R via the suspension device T. In particular, FIG. 6 shows the state of FIG. The state where the slider 210 is lowered and the door plate D ′ is lifted is shown. Further, FIG. 7 shows the runner 1 in a state in which the main part of the runner 1 constituting the suspension device T is cut, and FIG. 8 shows a pair of door plates D ′ constituting the folding door D. In order to make it easier to understand how the runners 1 are connected to the runner holders 2 attached to the respective door plates D ′ while folding the D ′, FIG.

  FIG. 9 shows the runner holder 2 constituting the suspension device T as viewed from the front side, and FIGS. 10 to 12 show the runner holder 2 attached to the door plate D ′. FIG. 13 shows the runner holder 2 in a cross-sectional state. Moreover, FIG. 14 is easy to understand how the runner 1 is connected to the runner holder 2 attached to each door plate D ′ while folding the pair of door plates D ′ and D ′ constituting the folding door D. Thus, it is the block diagram which looked at these from upper direction.

  The suspension device T according to this embodiment is used for supporting a door plate D ′ constituting the folding door D and the like so as to be movable along the upper rail R in a suspended manner. It is.

  That is, the suspension device T includes a door plate D ′ that constitutes a folding door D that closes an opening of a building, an entrance of a closet, and the like, a door plate D ′ that constitutes a room partition, and the like. It is used for supporting the upper rail R in a suspended manner so that it can move along the upper rail R provided on the upper portion of the upper rail.

  The suspension device T includes a runner 1 and a runner holder 2.

Runner 1
A runner body 10 that is inserted into the upper rail R so as to be able to travel;
A suspension shaft 12 is provided so as to protrude downward from the lower portion of the runner body 10.

  A head 13 is formed at the lower end of the suspension shaft 12 of the runner body 10, and the suspension shaft 12 or the head 13 is rotatable about the axis of the suspension shaft 12. .

On the other hand, the runner holder 2
An attachment 20 to the door plate D ′;
A holding recess 21 for receiving the head 13 of the suspension shaft 12 from the front;
A front end of the groove is opened, and a through groove 22 of the suspension shaft 12 having a groove width narrower than the thickness of the head portion 13 of the suspension shaft 12 communicating with the upper portion of the holding recess 21 is provided.

  In the holding recess 21, the head 13 is abutted against the head 13 as the head 13 of the suspension shaft 12 is inserted into the holding recess 21, and then retreats toward the outside of the holding recess 21. After that, at the position where the head 13 is fully inserted into the holding recess 21, the head 13 is returned to the position before the retraction and is engaged with the side of the head 13 facing the entrance side of the holding recess 21. The locking piece 23 is provided.

Thereby, according to the suspension apparatus T concerning this embodiment,
After the runner holder 2 is attached to the door plate D ′ with the attachment portion 20 and the runner body 10 is incorporated in the upper rail R so as to be able to travel along the upper rail R, the runner body 10 is protruded downward from the upper rail R. A state in which the head plate 13 of the suspension shaft 12 is inserted into the holding recess 21 of the runner holder 2 so that the door plate D ′ can be moved to the upper rail R along the upper rail R via the suspension device T. Can be supported with a single touch in a suspended form.

  That is, the suspension shaft 12 is passed through the through groove 22 with the head 13 inserted into the holding recess 21, so that the head 13 can be pulled out from the holding recess 21. In addition, since the lock piece 23 is engaged with the side of the head 13 that faces the entrance side of the holding recess 21, the head 13 does not slip forward from the holding recess 21.

  Further, since the suspension shaft 12 or the head 13 is rotatable about the axis of the suspension shaft 12, the door plate D 'suspended from the upper rail R constitutes the folding door D. Even in the case of the door plate D ′, the folding operation of the folding door D is not hindered. Therefore, when the runner holder 2 is provided on the side opposite to the connecting side by the hinge Da of the two door plates D ′ and D ′ constituting the folding door D, the two door plates D ′, The runner body 10 of the runner 1 that suspends one of D ′ and the runner body 10 of the runner 1 that suspends the other of the two are opposite to the connecting side of the two door plates D ′ and D ′ by the hinge Da. By closing the two door plates D ′ and D ′ so as to sandwich and abut on the side, the runners 1 corresponding to the runner holders 2 of the two door plates D ′ and D ′ respectively It is also possible to insert and hold the suspension shaft 12 at the same time. (FIGS. 8 and 14)

  Further, since the lock piece 23 is provided on the holding recess 21 side, the suspension shaft 12 or its head 13 can be rotated as described above. Even if it is in a position, it is possible to hold the head 13 by engaging the lock piece 23 with the head 13 just by inserting the head 13 into the holding recess 21, and the door to the upper rail R. The suspension work of the plate D ′ can be performed easily and smoothly. That is, there is no directionality in the insertion of the head 13 of the suspension shaft 12 of the runner 1 into the holding recess 21 of the runner holder 2.

  From this point of view, the head 13 of the suspension shaft 12 of the runner 1 has a disk-like body, a columnar body, and a horizontal body provided on the suspension shaft 12 so that the axis is positioned on the axis of the suspension shaft 12. It is optimal that the cross section is constituted by a plate-like body or columnar body having a regular polygon such as a regular square, or a spherical body having a spherical center positioned on the axis of the suspension shaft 12.

(First Example)
1 to 8 show one specific example of the configuration of the suspension device T. FIG.

  In this example, the runner 1 has a runner main body 10 having an elongated block shape, and the length direction of the runner main body 10 extends along the extension direction of the upper rail R so that the upper rail The runner body 10 is inserted into the R so that the runner body 10 is incorporated into the upper rail R so as to be able to travel.

  In this example, the upper rail R includes a main portion Ra having a substantially U-shaped cross section with the open portion facing downward, and a rail portion Rb protruding inward from both open portion edges of the main portion Ra. have. And the suspension axis | shaft 12 provided in the runner main body 10 protrudes below through the clearance gap Rc formed between right-and-left rail part Rb and Rb.

  Further, in this example, the suspension shaft 12 protrudes downward from a substantially middle position in the length direction of the runner body 10 and a pair of left and right wheels 11, 11 respectively at both ends thereof. The runner main body 10 travels on the rail portion Rb of the upper rail R with the wheels 11.

Moreover, in this example, in the runner body 10 of the runner 1,
A nut body 100 that is rotatably held in the runner body 10 and that is screwed into a male screw portion 110 formed on the upper end portion of the suspension shaft 12 to support the suspension shaft 12;
A rotary operation body 102 is incorporated which is rotated by an operation from below, and rotates the nut body 100 by this rotation to raise and lower the suspension shaft 12.

  Specifically, in this example, a raised portion 105 that is long in the length direction of the runner body 10 that fits in the gap Rc of the upper rail R is formed at the lower portion of the runner body 10. A nut body 100 is held and incorporated in the raised portion 105 so as to be rotatable with a nut central axis disposed in the vertical direction. And the upper end part of the suspension axis | shaft 12 is threaded by the nut body 100 integrated in this way. A space 106 for moving the suspension shaft 12 is formed in the runner body 10 and above the holding position of the nut body 100. Further, on one end side of the raised portion 105, there is provided a rotary operation body 102 that is rotatably held and assembled in the raised portion 105 so as to arrange a rotation axis in the vertical direction. The rotary operation body 102 has the lower end of the shaft exposed at the lower surface of the raised portion 105 and has a recessed recess 103 at the tip of the driver at the exposed end. At the same time, in this example, a gear portion 104 is formed on the outer surface of the rotary operation body 102, and a gear portion 101 is formed on the outer surface of the nut body 100. A first gear 107 that meshes with the gear portion 104 of the rotary operation body 102 and a second gear 108 that meshes with the first gear 107 and the gear portion 101 of the nut body 100 are disposed between the body 100 and the body 100. . The first gear 107 and the second gear 108 are also held and assembled in the raised portion so that the rotation shaft is arranged in the vertical direction. Accordingly, in this example, the nut body 100 is rotated by inserting the tip of a driver or the like into the fitting recess 103 of the rotary operation body 102 and rotating the rotary operation body 102 from below, thereby rotating the nut body 100. The suspension shaft 12 can be screwed up and down by the rotation of the body 100, whereby the projecting dimension of the suspension shaft 12 from the lower portion of the runner body 10 can be finely adjusted. The door plate D 'descends as the protruding dimension increases, and the door plate D' ascends as the protruding dimension decreases.

  As a result, in this example, from the state in which the head 13 of the suspension shaft 12 of the runner 1 is inserted and held in the holding recess 21 of the runner holder 2 and the door plate D ′ is suspended from the upper rail R, The clearance between the lower end of the suspended door plate D ′ and the floor can be easily finely adjusted.

  In this example, the head 13 of the suspension shaft 12 is provided at the lower end of the suspension shaft 12 so as to be rotatable about the axis of the suspension shaft 12. It is configured as a disk. Specifically, in this example, a disk body 111 is formed at the lower end portion of the suspension shaft 12, and the collar lower surface 113 is passed through the suspension shaft 12 to the upper surface of the disk body 111. And the head portion 13 of the suspension shaft 12 is formed by a collar 112 provided with a circular rising portion 114 covering the edge of the disc body 111 from the side. That is, the collar 112 is rotated around the axis of the suspension shaft 12.

  On the other hand, in this example, the runner holder 2 includes a holder base 200 and a slider 210 that is slidably incorporated in a slide recess 201 provided in the holder base 200 so as to be slidable in the vertical direction. .

  The holder base 200 is provided with a mounting portion 20 for the door plate D ′, and the slider 210 is provided with a holding recess 21 and a through groove 22.

  In this example, the holder base 200 has a cylindrical end 202 that is open at one end of the cylinder and has the opened cylinder one end side as a front surface, and an edge excluding the upper edge of the open portion 202a of the cylindrical part 202. It has a flange portion 203 that continues around the portion and projects laterally from this edge portion. And the inside of this cylindrical part 202 functions as the slide recessed part 201. FIG.

  The flange portion 203 is formed with a set screw insertion hole 204, and the cylindrical portion 202 of the holder base 200 formed in the upper portion of the door plate D ′ is mounted on the mounting recess Db. After the shape portion 202 is inserted into the plate surface of the door plate D ′ to a position where the rear surface of the flange portion 203 is abutted, a set screw is fixed to the door plate D ′ through the insertion hole 204, thereby The holder base 200, that is, the runner holder 2 is attached to the plate D ′. That is, in the illustrated example, the flange portion 203 functions as the attachment portion 20. The mounting recess Db is typically formed so as to be opened on one surface in the vertical direction of the door plate D 'at the upper portion of the door plate D'. In addition, a split groove Dc communicating with the mounting recess Db is formed on the upper end surface of the door plate D ′.

  The upper part of the cylindrical part 202 is formed with a split groove 202b that communicates with the inside of the cylindrical part 202 and communicates outwardly at the open part of the cylindrical part 202. Is communicated with a split groove Dc formed in the door plate D ′.

On the other hand, the slider 210 has a longitudinal dimension substantially equal to the depth of the slide recess 201 of the holder base 200, and
The left and right dimensions are substantially equal to the dimensions between the left and right side walls 201a and 201a that form the slide recess 201,
And it has the slider main body 211 comprised so that a vertical dimension might be made smaller than the dimension between the upper wall 201b and the lower wall 201c which form the slide recessed part 201. FIG.

  A flange 212 is formed on both the left and right edges and the lower edge of the front surface of the slider main body 211 so as to project laterally from these edges, and the slider 210 has a rear surface of the flange 212 on the front surface of the holder base 200. It is inserted into the slide recess 201 from the front so as to abut against.

  The holding recess 21 is formed in a substantially central portion of the front surface of the slider main body 211 so as to be recessed toward the back surface of the slider 210. In the illustrated example, the holding recess 21 is configured so that the distance between the recess upper wall 21a and the recess lower wall 21b is substantially equal to or slightly larger than the thickness of the disk-shaped head 13. In addition, the distance between the left and right side walls 21c, 21c is substantially equal to or slightly larger than the diameter of the head 13. In addition, the inner wall 21 d at the inner back of the holding recess 21 is curved along the arc of the head 13. Further, the through groove 22 is formed in the upper part of the slider main body 211. In the illustrated example, the edge of the through groove 22 and the entrance edge of the holding recess 21 are bordered by a rib 213 protruding outward. In the illustrated example, the inner surface of the rib 213 that borders the entrance of the holding recess 21 is an inclined surface 213 a that is inclined outwardly toward the protruding end of the rib 213. Is easy to insert.

  Further, in the illustrated example, a protrusion opening 214 of the lock piece 23 is formed in the recess lower wall 21 b of the holding recess 21, and the lock piece 23 protrudes into the holding recess 21 through the protrusion opening 214. It is like that.

  In the illustrated example, the lock piece 23 is incorporated in an operation space 215 formed below the recess lower wall 21b of the holding recess 21 so that the lock piece 23 can be moved up and down while being always urged upward by a spring 216. The plate body 217 is formed at the upper part of the rear end portion. In the illustrated example, the operation space 215 is open on the front surface of the slider main body 211, and the front end 217 a of the plate body 217 protrudes forward from the front surface of the slider main body 211. Yes. In the illustrated example, the lock piece 23 is pulled downward by gripping the front end portion 217a of the plate body 217 and pushing the plate body 217 downward against the bias of the spring 216. The engagement of the lock piece 23 to the head 13 can be released. As a result, the door plate D 'once supported in a suspended form on the upper rail R via the suspension device T can be easily removed.

  In the illustrated example, the head 13 is accommodated between the back surface portion 23 a of the lock piece 23 and the inner wall 21 d of the inner back portion of the holding recess 21 with almost no play. The back surface portion 23 a of the lock piece 23 is also curved along the arc of the head portion 13. Further, the front surface portion 23 b of the lock piece 23 has an inclined surface that is inclined so as to gradually narrow the front and rear dimensions of the lock piece 23 toward the top portion 23 c of the lock piece 23. Accordingly, in the illustrated example, when the head portion 13 of the suspension shaft 12 is inserted into the holding recess 21 from the front surface side of the slider main body 211, the front surface portion 23b of the lock piece 23 to the head portion 13 is inserted. The lock piece 23 can be smoothly pushed down against the urging of the spring 216 by the abutment, and the entrance of the holding recess 21 in the head 13 before the top portion 23c of the lock piece 23 thus pushed down. The lock piece 23 is again protruded by the urging at the position where the side portion directed toward the side enters, and the head portion 13 is stably held in the inner back portion of the holding recess 21 by the lock piece 23 thus protruded. It comes to hold.

In this example, the left and right side walls 201a and 201a of the slide recess 201 of the holder base 200 are respectively set up for the set-up hook 205 and the pre-set hook located above the set-up hook 205. Part 206, and
The slider 210 is engaged with the presetting engagement portion 206 on the left and right outer portions of the slider 210, and once the engagement is released by pushing the slider 210 downward, it is engaged with the setup engagement portion 205 and supported in a suspended form. A hooked portion 218 is provided for raising the level of the lower end of the door plate D ′.

  In the example shown in the drawing, the set-up engagement portion 205 is long in the tube axis direction of the tubular portion 202 formed on the left and right side walls 201a and 201a of the tubular portion 202 constituting the slide recess 201, that is, It is configured as a split groove 205a that is long in the front-rear direction. The left and right split grooves 205a, 205a are located at the same level.

 In addition, the presetting engagement portion 206 is a groove that is long in the cylindrical axis direction of the cylindrical portion 202 formed on the left and right side walls 201a and 201a of the cylindrical portion 202 constituting the slide recess 201, that is, a long groove in the front-rear direction It is configured as 206a. The left and right grooves 206a, 206a are located at the same level.

  On the other hand, in the example shown in the figure, the hooked portion 218 has a length along the length direction outward from the left and right outer portions of the slider main body 211 below the formation level of the holding recess 21 of the slider main body 211. It is comprised by the rod-shaped engaging body 218a which protrudes the side part 218c by the urging | biasing of the spring 211c.

  Specifically, in the illustrated example, grooves 211 a extending in the front-rear direction are formed on the left and right sides of the slider main body 211, and the left and right grooves 211 a and 211 a are formed on the back side of the slider main body 211. A spring accommodating space 211b communicating with each other is formed, and one end of the spring 211c applied to the rear end portion of one rod-like engaging body 218a accommodated in the other side portion along the length direction is always pressed against the groove 211a. In addition, the other end of the spring 211c applied to the rear end portion of the other rod-shaped engagement body 218a is always pressed. The rod-like engaging body 218a is engaged with the groove 211a so that the one side 218c is not protruded first from the position protruding from the outer side of the slider main body 211 by the bias of the spring 211c. 211a is formed to have a depth that allows the rod-shaped engagement body 218a that accommodates the one side portion 218c in the groove 211a to resist the biasing. Further, the front end portion 218b of the rod-shaped engagement body 218a protrudes forward from the front surface of the slider main body 211, and resists the bias of the spring 211c by simultaneously grasping the front end portions 218b of the left and right rod-shaped engagement bodies 218a, 218a. Thus, the left and right rod-like engaging bodies 218a and 218a can be operated to move backward simultaneously.

  In the example shown in the figure, one side portion 218c of the rod-like engagement body 218a on the left side of the slider 210 is placed in the groove 206a that becomes the engagement portion 206 for the left side of the holder base 200, and the right side of the slider 210 From the state in which one side portion 218c of the rod-shaped engagement body 218a is placed in the groove 206a that is the right-side preset engagement portion 206 of the holder base 200 (FIGS. 4 and 5), When the slider 210 is completely moved downward while moving the rear end against the urging, the one side portion 218c on the left side of the slider 210 is engaged with the set-up engagement on the left side of the holder base 200. One side portion 218c of the rod-like engagement body 218a on the right side of the slider 210 is inserted into the split groove 205a to be the portion 205 and the holder It enters the split groove 205a which is a right-hand setup engagement portion 205 of the over scan 200, a state of completely been moved is adapted to be maintained below the slider 210. (Fig. 6)

  Thereby, in this example, the head 13 of the hanging shaft 12 of the runner 1 is inserted into the holding recess 21 of the runner 1 holder with the lower end of the door plate D ′ in contact with the floor surface, etc. After the door plate D ′ is joined to the upper rail R via the suspension device T, the slider 210 that has engaged the hooked portion 218 with the hooking portion 206 for presetting is moved downward to move the hooked portion 218. By lifting the door plate D ′ so as to be re-engaged with the set-up engagement portion 205, a clearance can be appropriately created after the joining between the lower end of the door plate D ′ and the floor surface. That is, it is not necessary to perform the joining while lifting the door plate D ', and this joining work can be easily performed.

  In the example shown in the figure, the upper portion of the one side portion 218c protruding as described above of the rod-like engagement body 218a is a horizontal engagement surface 218d, while the lower portion of the one side portion 218c is upward. The inclined surface 218e is inclined so as to gradually increase the protruding amount of the one side portion 218c as it goes, and the rod-shaped engaging body 218a is extracted downward from the groove 206a that becomes the engaging portion 206 for presetting. The inclined surface 218e is made smooth by the inclination, and the rod-shaped engaging body 218a once entering the dividing groove 205a serving as the setting engaging portion 205 is unexpectedly extracted upward from the dividing groove 205a. There is no such thing.

(Second embodiment)
9 to 14 show another example of a specific configuration example of the suspension device T. FIG.

  Even in this example, the runner 1 has a runner main body 10 having an elongated block shape, and the length direction of the runner main body 10 extends along the extension direction of the upper rail R so that the upper rail The runner body 10 is inserted into the R so that the runner body 10 is incorporated into the upper rail R so as to be able to travel.

  Even in this example, the upper rail R includes a main portion Ra having a substantially U-shaped cross section with the open portion facing downward, and a rail portion Rb protruding inward from both open portion edges of the main portion Ra. have. And the suspension axis | shaft 12 provided in the runner main body 10 protrudes below through the clearance gap Rc formed between right-and-left rail part Rb and Rb.

  Further, in this example, the suspension shaft 12 protrudes downward from a substantially middle position in the length direction of the runner body 10 and a pair of left and right wheels 11, 11 respectively at both ends thereof. The runner main body 10 travels on the rail portion Rb of the upper rail R with the wheels 11.

  In this example, the suspension shaft 12 has a flange 130 at the upper end, and the flange 130 is housed in a hooking space 120 of the flange 130 formed inside the runner body 10. Thus, it protrudes downward from the lower portion of the runner body 10 through a through-hole 121 continuing to the hooking space 120. In this example, the suspension shaft 12 is rotated with the hole axis of the through hole 121 as the center of rotation.

  In this example, the head 13 of the suspension shaft 12 is provided on the suspension shaft 12 at the lower end of the suspension shaft 12 so that the axis is positioned on the axis of the suspension shaft 12. The formed horizontal section is a columnar body having a regular tetragon.

  On the other hand, in this example as well, the runner holder 2 is composed of a holder base 220 and a slider 230 incorporated in a slide recess 221 provided in the holder base 220 so as to be slidable in the vertical direction. .

  The holder base 220 is provided with a mounting portion 20 for the door plate D ′, and the slider 230 is provided with a holding recess 21 and a through groove 22.

  In this example, the holder base 220 is connected to the back surface of the plate body 222 so that the plate body 222 communicates with one end of the cylinder opened to the open portion 223 formed at the top of the plate body 222. And a cylindrical portion 224 that is integrally connected. Further, a frame-like raised portion 225 having an inner and outer contour shape that is substantially rectangular in the vertical direction is formed on the front surface of the plate body 222, and the open portion 223 is positioned in the frame-like raised portion 225. ing. The upper part of the cylindrical part 224 is continuous with the upper part of the frame-like raised part 225. In this example, the inside of the cylindrical portion 224 and the inside of the frame-like raised portion 225 positioned below the open portion 223 function as the slide concave portion 221.

  An insertion hole 226 for a set screw is formed at a position of the plate body 222 located outside the frame-like raised portion 225, and the cylindrical portion 224 of the holder base 220 formed at the upper portion of the door plate D ′. The cylindrical portion 224 is inserted into the mounting recess Db large enough to accommodate the screw plate until the back surface of the plate body 222 abuts against the plate surface of the door plate D ′, and then the set screw is inserted through the insertion hole 226. Is fixed to the door plate D ′ so that the holder base 220, that is, the runner holder 2 is attached to the door plate D ′. In other words, in the illustrated example, the plate body 222 functions as the mounting portion 20. The mounting recess Db is typically formed so as to be opened on one surface in the vertical direction of the door plate D 'at the upper portion of the door plate D'. In addition, a split groove Dc communicating with the mounting recess Db is formed on the upper end surface of the door plate D ′.

  The upper part of the tubular part 224 communicates with the interior of the tubular part 224, and the split groove 224a communicates outward at the front end of the upper part of the frame-like raised part 225 following the upper part of the tubular part 224. The split groove 224a communicates with the split groove Dc formed in the door plate D ′.

  On the other hand, the slider 230 is a cylinder integrally connected to the back surface of the plate 231 so that the plate 231 and one end of the cylinder opened to the open portion 232 formed on the plate 231 communicate with each other. And 233.

The plate body 231 of the slider 230 has a left-right dimension substantially equal to a left-right frame inner dimension of the frame-like raised portion 225,
And it is comprised so that an up-down dimension may be made smaller than the inside-upper-frame dimension of this frame-shaped protruding part 225. FIG.

On the other hand, the cylindrical body 233 of the slider 230 has the left and right dimensions substantially equal to the dimension between the left and right inner walls 224b and 224b of the cylindrical portion 224 of the holder base 220,
In addition, the vertical dimension is configured to be smaller than the dimension between the upper wall 224c and the lower wall 224d of the cylindrical portion 224 of the holder base 220.

  In this example, the slider 230 is inserted into the cylindrical portion 224 of the holder base 220 from the front with the cylindrical end of the cylindrical body 233 of the slider 230 closed first, and the holder base 220 By inserting the plate body 231 of the slider 230 into the frame-like raised portion 225 of 220 from the front, the holder base 220 can be moved up and down with the left and right frame portions of the frame-like raised portion 225 of the holder base as guides. Are combined.

In the illustrated example, the left and right outer portions of the cylindrical body 233 of the slider 230 are inserted into the vertically long window holes 224e formed in the left and right inner walls of the cylindrical portion 224 of the holder base 220. The formed retaining protrusion 233a is engaged,
Recesses formed in the left and right frame portions of the frame-like raised portion 225 of the holder base 220 at positions substantially in the middle of the left and right frame portions and projecting from the base portions of the left and right frame portions toward the end side. Retaining protrusions 231d formed on the left and right outer ends of the plate body 231 of the slider 230 along with the insertion are engaged with the inner surface of the 225a.
As described above, the combined state of the slider 230 combined with the holder base 220 is stably maintained by the engagement.

  In this example, the inside of the cylindrical body 233 of the slider 230 functions as the holding recess 21.

  In the illustrated example, the holding recess 21 has an interval between the upper wall 21a of the recess and the lower wall 21b of the recess that is substantially equal to or slightly larger than the length of the head 13 having the quadrangular prism shape. And the interval between the left and right side walls 21c, 21c is configured to be approximately equal to or slightly larger than the dimension between both side surfaces of the head 13 in the back-to-back direction. ing. Further, the inner wall 21d at the inner back portion of the holding recess 21 is a wall oriented in a direction perpendicular to the left and right side walls 21c, 21c. Further, the through groove 22 is formed in the upper part of the cylindrical body 233 of the slider 230.

  In the example shown in the figure, the left and right side walls 21 c and 21 c of the holding recess 21 are respectively provided with protruding openings 234 of the lock pieces 23, and the lock pieces 23 are inserted into the holding recesses 21 through the protruding openings 234. It has come to stick out.

  In the illustrated example, the lock piece 23 has a spring 236 in an operation space 235 formed between the side portion of the cylindrical body 233 of the slider 230 and the left and right inner walls 224 b and 224 b of the cylindrical portion 224 of the holder base 220. Therefore, the slider 230 is formed at the rear end portion of the block body 237 that is movably mounted in the horizontal direction while being urged toward the direction of entering the cylindrical body 233 of the slider 230.

  In the illustrated example, the head 13 is accommodated between the back surface portion 23 a of the lock piece 23 and the inner wall 21 d of the inner back portion of the holding recess 21 with almost no play. The front surface portion 23 b of the lock piece 23 has an inclined surface that is inclined so as to gradually narrow the front-rear dimension of the lock piece 23 toward the top portion 23 c of the lock piece 23. Accordingly, in the illustrated example, when the head portion 13 of the suspension shaft 12 is inserted into the holding recess 21 from the front surface side of the slider main body 211, the front surface portion 23b of the lock piece 23 to the head portion 13 is inserted. The lock piece 23 can be smoothly pushed to the side against the urging of the spring 236 by the abutment, and the holding recess 21 of the head 13 is formed before the top portion 23c of the lock piece 23 thus pushed. The lock piece 23 is protruded again by the biasing at the position where the side portion directed toward the entrance side enters, and the head portion 13 is stabilized in the inner back portion of the holding recess 21 by the lock piece 23 thus protruded. It is supposed to hold on.

  In this example, the holder base 220 is rotatably supported at the lower part of the holder base 220 with the screw head 238a facing the lower part of the holder base 220, and is formed on the slider 230. An adjustment screw 238 in which a shaft portion 238b is screwed into the screw hole 231c is provided.

  In the illustrated example, an insertion hole 225c of an adjustment screw 238 that is opened outward at the lower end of the lower frame portion 225b is formed in the lower frame portion 225b that constitutes the frame-like raised portion 225 of the holder base 220. In addition, the plate body 231 of the slider 230 is formed with an insertion hole 231 a for the adjustment screw 238 opened outward at the lower end of the plate body 231. The head 13 of the adjusting screw 238 is rotatably held in the insertion hole 225c of the lower frame portion 225b of the frame-like raised portion 225, and is inserted into the insertion hole 231a of the plate body 231 of the slider 230. The shaft portion 238b of the adjusting screw 238 applied to the screw hole 231c formed by the nut 231b held in the plate body 231 is screwed so as to communicate the inner space of the nut.

  Thus, in this example, the slider 230 can be moved up and down by fitting the tip of a screwdriver 238a to the screw head 238a of the adjustment screw 238 and rotating the adjustment screw 238 from below. As a result, the head 13 of the suspension shaft 12 of the runner 1 is inserted into the holding recess 21 of the runner holder 2 with the lower end of the door plate D ′ in contact with the floor surface, etc. After the door plate D ′ is joined to the upper rail R, the slider 230 is moved downward to lift the door plate D ′, so that the joining is performed between the lower end of the door plate D ′ and the floor surface. Later, the clearance can be created appropriately. That is, it is not necessary to perform the joining while lifting the door plate D ', and this joining work can be easily performed.

  In this example, the left and right side walls 21c, 21c and the lower wall 21b of the holding recess 21 between the entrance edge of the holding recess 21 and the lock piece 23 are held in the holding recess as they approach the entrance edge. It has the inclined surface 21e inclined so that 21 may be expanded gradually.

  Thereby, in this example, the head 13 of the suspension shaft 12 can be smoothly introduced into the holding recess 21 of the runner holder 2, that is, the holding recess 21 of the slider 230.

Isolated perspective view of the runner holder 2 Front view Side view AA line sectional view in FIG. Sectional drawing which showed the use condition of the suspending device T Sectional drawing which showed the use condition of the suspension apparatus T (door plate D 'raise) Runner 1 cross-sectional front view Plane configuration diagram showing an example of how to attach the door plate D 'constituting the folding door D to the upper rail R The perspective view which showed the runner holder 2 which comprises another example of the suspension apparatus T Front view showing the same usage state Side view BB sectional view in FIG. Sectional drawing of the suspension apparatus T in the CC equivalent position in FIG. Plane configuration diagram showing an example of how to attach the door plate D 'constituting the folding door D to the upper rail R

Explanation of symbols

T suspension device D 'door plate R upper rail 1 runner 12 suspension shaft 13 head 2 runner holder 20 attachment portion 21 holding recess 22 through groove 23 lock piece

Claims (5)

A device that supports a door plate that constitutes a folding door and the like so as to be movable along the upper rail in a suspended manner on the upper rail,
It has a runner and a runner holder,
Runner
A runner body that is inserted into the upper rail so that it can run,
It has a hanging shaft provided so as to protrude downward from the lower part of this runner body,
A head is formed at the lower end of the suspension shaft,
The suspension shaft or head is rotatable about the axis of the suspension shaft,
Runner holder
Attaching part to door plate,
A holding recess for receiving the head of the suspension shaft from the front;
The groove front end is opened, and a hanging shaft through groove with a groove width narrower than the thickness of the head of the suspension shaft communicating with the upper portion of the holding recess is provided.
In addition, in the holding recess, after the head of the suspension shaft is inserted into the holding recess, the head is abutted against the head and once retracted toward the outside of the holding recess, It is provided with a lock piece which is returned to the position before the retraction at the position where the head is fully inserted into the head and is engaged with the side of the head facing the entrance side of the holding recess. A door plate hanging device. The runner holder has a holder base and a slider incorporated in the slide recess provided in the holder base so as to be slidable in the vertical direction.
This holder base is provided with an attachment to the door plate,
The slider is provided with a holding recess and a through groove,
In addition, on the left and right side walls of the slide recess of the holder base, a set-up hook and a pre-set hook positioned above the set-up hook are provided.
A door plate that is hooked to the hook for presetting on the left and right outer sides of the slider, and once hooked downward, the hook is hooked to the hook for setup and supported in a suspended manner. 2. The door plate suspension device according to claim 1, further comprising a hooked portion for raising the lower end level of the door plate. In the runner body of the runner,
A nut body that is rotatably held in the runner main body and is screwed into a male screw portion formed on the upper end portion of the suspension shaft to support the suspension shaft,
The door according to claim 1 or 2, wherein a rotary operation body that is rotated by an operation from below and that causes the nut body to be rotated by the rotation to raise and lower the suspension shaft is incorporated. Board hanging device. The runner holder has a holder base and a slider incorporated in the slide recess provided in the holder base so as to be slidable in the vertical direction.
This holder base is provided with an attachment to the door plate,
The slider is provided with a holding recess and a through groove,
In addition, the holder base is rotatably supported by the lower part of the holder base with the screw head facing the lower part of the holder base, and the shaft part is screwed into the screw hole formed in the slider. The door plate suspension device according to claim 1 or 3, further comprising a screw.   The left and right side walls and the lower wall of the holding recess between the entrance edge of the holding recess and the lock piece have inclined surfaces that are inclined so as to gradually widen the holding recess toward the entrance edge. The device for hanging a door plate according to claim 1 or 4, characterized by the above-mentioned.

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