JPH0868257A - Opening / closing body mounting device - Google Patents

Abstract

(57) [Summary] [Purpose] The roller case 21 can be securely fixed to the case holder 20 by a one-touch operation of simply fitting the roller case 21 with the guide roller 22 mounted in the fitting recess 25 of the case holder 20. (EN) Provided is an opening / closing body attaching device which does not require a screwing operation using a fixing screw, is easy to attach and is suitable for field work. A case holder 20 having a fitting recess 25 fixed to the opening / closing body 15 and a stopper 27 protruding from the fitting recess 25 is provided. A roller case 21 in which a guide roller 22 that engages with the guide rail 1 is mounted is fitted into the fitting recess 25 of the case holder 20. Roller case 21 with case holder 20
A lock lever 39 having a locking portion 43 that engages and disengages with the stopper 27 is pivotally supported. A spring (46) is provided that constantly biases the lock lever (39) and locks the locking portion (43) with the stopper (27) when the roller case (21) is fitted into the fitting recessed portion (25) of the case holder (20).

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an opening / closing body attaching device,
For example, the present invention relates to a device for attaching an opening / closing body such as a folding door that opens / closes an opening of furniture or fittings.

[0002]

2. Description of the Related Art Conventionally, as an opening / closing body attaching device of this kind, for example, case holders having fitting recesses are embedded in embedded recesses formed at the upper and lower ends of a folding door as an opening / closing body. , The upper and lower case holders are fixed to the folding door with a plurality of mounting screws, respectively, while the upper and lower guide rails that are fixed to the upper and lower openings of furniture and fittings are freely rotatable in the roller case. The guide rollers mounted on the shaft are movably engaged with each other, the upper and lower roller cases are fitted into the fitting recesses of the upper and lower case holders, and the upper and lower roller cases are fixed by fixing screws. A configuration in which it is fixed to a case holder is known.

[0003]

SUMMARY OF THE INVENTION In the structure of the prior art described above, when fixing the upper and lower roller cases having the guide rollers engaged with the guide rails to the upper and lower case holders fixed to the folding door, It is not possible to fix each other by simply fitting the roller cases in the fitting recesses of the upper and lower case holders, and it is necessary to screw the fixing screws into the upper and lower case holders from the upper and lower roller case sides. However, there is a problem that this mounting operation is not easy and requires a lot of trouble.

The present invention has been made in view of the above points, and the case holder can be attached to the case holder by a one-touch operation of merely fitting a roller case in which a guide roller is rotatably mounted in a fitting recess of the case holder. (EN) Provided is an opening / closing body mounting device which can securely fix a roller case and does not require a screwing operation to fix the roller case using a fixing screw, and which is easy to install and is suitable for on-site work. It is intended.

[0005]

According to a first aspect of the present invention, there is provided an opening / closing body mounting device, which includes a case holder having a fitting recess fixed to the opening / closing body and a stopper protruding from the fitting recess, and a case holder. A roller case that has a rotatable guide roller that fits in a fitting recess and that engages with a guide rail that guides the opening / closing body, and a roller case that is rotatably supported by this roller case and can be engaged with and disengaged from the stopper of the case holder And a lock lever having a locking portion for locking the lock lever, and when the roller case is fitted in the fitting concave portion of the case holder, the lock lever is returned and rotated to be locked. And a spring for locking the portion to the stopper.

According to a second aspect of the present invention, there is provided an opening / closing body attaching apparatus in which the case holder is
A guide ridge protruding in a position opposite to the fitting recess in the fitting direction of the roller case, and a stopper protruding in parallel at a position facing the fitting recess in parallel with the guide ridge. The roller case has guide recesses formed on both sides of the roller guide and guided by the guide projections, and an insertion groove formed in parallel with the guide recess so as to insert the stopper. is there.

According to a third aspect of the present invention, there is provided the opening / closing body attaching apparatus according to the first or second aspect, in which the lock lever is provided on a support shaft located near the insertion groove of the roller case. A sliding surface that is movably supported and slides along a stopper, a vertical locking portion formed at the rear end of the sliding surface, and a locking projection that is provided to project on the roller case. And a lock lever is constantly urged by a spring about the support shaft so that the sliding surface projects into the insertion groove.

[0008]

In the opening / closing body mounting apparatus according to the first aspect of the present invention, the case holder is embedded and fixed in the opening / closing body, while the guide rail is movably engaged with the guide roller mounted on the roller case.

Next, when the roller case in which the guide roller is engaged with the guide rail is inserted into the fitting recess of the case holder fixed to the opening / closing body, the insertion end of the lock lever provided in the roller case is fitted into the case holder. It is brought into contact with the side surface of the stopper provided in the fitting recess.

When the roller case is further strongly inserted into the fitting recess of the case holder, the lock lever of the roller case is pushed by the side surface of the stopper and rotated about the support shaft against the spring. It is pushed along the side of the stopper.

Then, the roller case is deeply fitted in the fitting recess of the case holder, and the lock lever of the roller case is disengaged from the side surface of the stopper, and the lock lever is centered on the support shaft by the restoring force of the spring. The lock lever is returned and rotated, and the locking portion of the lock lever is locked by the stopper of the case holder.

Therefore, the roller case is deeply fitted in the fitting recess of the case holder, the roller case is locked by the case holder, and the opening / closing body which fixes the case holder is the roller case and the roller case. It is mounted so that it can be moved along the guide rails with the guide rollers.

In the opening / closing body attaching device according to the second aspect, when the roller case is fitted to the case holder, the guide ridges of the fitting recesses of the case holder are engaged with the guide recesses on both sides of the roller case. And the stopper of the case holder is inserted into the insertion groove of the roller case, so that the guide ridges and the guide recesses and the stopper and the insertion groove mutually perform positioning and guiding action so that the case holder rolls. The case fits smoothly.

In the opening / closing body attaching device according to the third aspect, when the roller case is fitted to the case holder, the lock lever slides along the side surface of the stopper while the lock lever slides along the side surface of the stopper. The lock lever is rotated around the support shaft against the spring and is pushed in the direction of retracting from the insertion groove. Then, the sliding surface of the lock lever is disengaged from the side surface of the stopper, and the lock lever is returned and rotated about the support shaft by the restoring force of the spring, and the locking portion of the lock lever is automatically locked by the stopper. To be done.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The structure of an embodiment of the present invention will be described below with reference to the drawings.

Reference numeral 1 denotes an upper guide rail in the left-right direction which is arranged and fixed along the upper end of an opening of furniture, fittings, etc. This upper guide rail 1 is an upper plate 2 and a width direction of the upper plate 2. Front and rear side plates 3 that project downwardly from both ends, and front and rear roller support plates 4 that project from the lower ends of the front and rear side plates 3 toward each other in the approaching direction. The guide groove 5 formed between the inner ends of the front and rear roller supporting plates 4 and the lower surface of the upper plate 2 located above the inner ends of the front and rear roller supporting plates 4 facing each other. Front and rear guide ridges 6 projecting downward relative to
And has a substantially rectangular cross section.

Further, the upper guide rail 1 is formed with an upper roller accommodating portion 7 located above the guide groove 5 by the lower surface portion of the upper surface plate 2 and the front and rear guide ridges 6. At the same time, front and rear roller accommodating portions 8 are formed by the front and rear side plates 3, the front and rear roller support plates 4, and the front and rear portions of the upper plate 2.

Next, a lower guide rail 9 in the left-right direction is arranged and fixed in parallel with the upper guide rail 1 at the lower end of the opening located just below the upper guide rail 1. This lower guide rail 9 has a bottom plate 10 and this bottom plate 10
Front and rear side plates 11 that project upward from both ends in the width direction, and front and rear roller supports that project from the upper ends of the front and rear side plates 11 toward each other in the approaching direction. It has a plate 12 and a guide groove 13 formed between the inner ends of the front and rear roller support plates 12 facing each other, and is formed in a substantially U-shaped cross section.

Further, front and rear roller accommodating portions 14 are formed on the lower guide rail 9 by both widthwise side portions of the bottom plate 10, front and rear side plates 11 and front and rear roller support plates 12.

Next, 15 is a plurality of doors of folding doors as opening and closing bodies for opening and closing the opening. The doors 15 are vertically embedded in the wood openings 16 at the upper and lower ends of both ends in the width direction. Each recess 17 is formed. The buried recesses 17 at the upper ends of both ends are formed in a substantially U shape, and the buried recesses 17 at the lower ends of both ends are formed in a substantially inverted U shape. The doors 15 are connected in a freely openable and closable manner by a plurality of hinges (not shown).

Next, the upper runner units 18 are embedded and fixed in the embedded recesses 17 at the upper ends of the doors 15, respectively, and the embedded recesses at the lower ends of the doors 15 are set.
Lower runner units 19 are embedded and fixed to 17 respectively.

The upper runner unit 18 includes a vertical case holder 20 embedded in the embedded recess 17,
A roller case 21 fitted to the case holder 20,
A plurality of guide rollers 22 rotatably mounted on the upper portion of the roller case 21 are provided.

The case holder 20 includes the buried recess 17
It has a vertically elongated fixed base plate 23 that is fixed to the inner side wall portion of the inside, and embedded side plates 24 that are formed in a substantially U shape outwardly from both ends of the fixed base plate 23 in the width direction integrally project. The substantially U-shaped embedded side plate 24 and the fixed substrate 23 form a fitting recess 25 into which the roller case 21 is fitted.

The side plates 24 of the buried side plate 24 facing each other
Guide ridges 26 in the fitting direction of the roller case 21 are provided integrally and in parallel with each other in the upper portions of a and 24b. In addition, a stopper 27 is spaced apart from the opposing guide ridge 26 and is parallel to the guide ridge 26 and integrally projects at the lower opening edge of the embedded side plate 24 in the opposite side plate portions 24a and 24b. It is set up. The opposed stoppers 27 have guide surfaces 27a on their lower surfaces, and vertical locking surfaces 27b continuous with the guide surfaces 27a on their inner ends.

Further, the upper and lower portions of the fixed substrate 23 are formed with insertion holes 29 through which fixing screws 28 screwed into the inner side wall of the embedded recess 17 are inserted. Notches 30 in the fitting direction of the roller case 21 are formed in the lower portions of the side plates 24a, 24b facing each other.

Next, the roller case 21 has a case body 31 which is fitted in the fitting recess 25 of the case holder 20 in the vertical direction. Guide recesses 32 for engaging and guiding the guide ridges 26 are formed in the fitting direction of the roller case 21, respectively. In addition, an insertion groove 33 is formed in the lower part of both sides of the case main body 31 in parallel with the guide recess 32 so as to insert the opposed stoppers 27. The insertion groove 33 opens the insertion end and both sides. Is formed.

Further, a vertical substrate 34 is integrally formed at the outer end of the case body 31 on the side opposite to the insertion direction,
An abutting edge portion 34a that abuts the opening edge portion 24c of the substantially U-shaped embedded side plate 24 is formed in a substantially U-shape at the peripheral edge portion of the substrate 34. In addition, the insertion groove 33 is formed under the substrate 34.
Is formed with a rectangular operation port 35.

The lower part of the case body 31 formed by the insertion groove 33 is formed as a lower case part 36 having a substantially U-shape integrally with the substrate 34, and the side plates of the lower case part 36 facing each other. A horizontal support shaft 37 is mounted on the upper part between the insertion ends of the parts 36a and 36b, and is located below the support shaft 37 between the insertion ends of the opposite side plate parts 36a and 36b. A locking shaft 38 is mounted on the lower part of the shaft.

Further, the support shaft 37 on the upper side of the lower case portion 36.
A lock lever 39 disposed between the opposing side plate portions 36a and 36b is rotatably supported in the up and down direction. The lock lever 39 has an operating piece 40 in the insertion direction of the roller case 21, and substantially triangular lever pieces 41 are integrally projectingly provided on opposite sides of the operating piece 40 in the width direction. ing.

Further, the opposed lever pieces 41 have sliding surfaces 42, which slide along the guide surfaces 27a of the opposed stoppers 27, at the upper end portions of the lever pieces 41 gradually in the direction opposite to the insertion direction of the roller case 21. It is formed to incline backwards,
Vertically downward engaging portions 43 are formed at the rear end of the sliding surface 42.

An operating portion 44 is formed behind the lower end of the locking portion 43 and extends the rear end of the operating piece 40. The operating portion 44 moves up and down in the operating port 35. It can be arranged freely. Further, insertion holes 45 through which the support shaft 37 is rotatably inserted are formed at the insertion ends of the opposing lever pieces 41, respectively.

Further, the support shaft 37 has a coil spring.
The coil spring 46 is wound, and one end portion 46a of the coil spring 46 is locked to the insertion end portion of the operation piece 40, and the other end portion 46b is locked to the locking shaft 38. Then, the lock lever 39 is biased upward by the coil spring 46 about the support shaft 37,
Sliding surfaces 42 on both sides of the lock lever 39 are always projected into the insertion groove 33, and an intermediate portion of the operating portion 44 of the lock lever 39 extends from the substrate 34 to the operating port 35.
It is adapted to be locked to the lower end portion of the locking projection 47 which is elastically deformable in the front-rear direction and which is projected inward. A slight gap is formed between the locking protrusion 47 and the locking portion 43.

Next, an intermediate portion between the insertion groove 33 and the guide recess 32 is formed integrally with the substrate 34 as an intermediate case portion 48 of the case body 31, and the intermediate case portion 48 has a roller case. An accommodating recess 49 is formed which is open in the fitting direction of 21, and a bearing hole 51 is formed between the accommodating recess 49 and the insertion opening 50 opened in the substrate 34.

A rotary shaft 52 is rotatably inserted into and supported by the bearing hole 51. A bevel gear 53 is integrally formed at an inner end of the rotary shaft 52 in the accommodating recess 49. In addition, at the outer end of the rotary shaft 52, a + -shaped groove-shaped rotation operating portion 54 is formed in the insertion opening 50. A bevel gear 55 meshing with the bevel gear 53 is rotatably mounted at a fixed position in the upper portion of the accommodation recess 49.
55 is a fitting projection 55a slidably fitted in a vertical sliding hole 49a formed in the upper part of the accommodating recess 49, and slidably engaged with the opening edge of the sliding hole 49a. It has a stopper portion 55b for preventing it from coming off.

Next, the upper part of the case main body 31 formed by the guide recess 32 is integrally formed with the substrate 34 as an upper case part 56, and the upper case part 56 has a polygonal shape with an upper surface opened. A vertical hole guide 57 is formed in the vertical direction. In addition, a polygonal prismatic body 58 is vertically movably fitted in the square hole guide 57, and a substantially middle portion of an adjusting rod 59 in the vertical direction is fixed to the prismatic body 58. The screw rod portion 60 formed in the lower portion is screwed so as to be able to advance and retreat by turning in a vertical screw hole 61 formed through the central portion of the bevel gear 55.

The bevel gear 53 and the bevel gear 55 meshing with the bevel gear 53 are rotated by the rotating shaft 52, so that the screw rod 61 of the bevel gear 55 allows the adjusting rod 59 to move. The screw rod 60 is moved up and down, and the prismatic body 58 fixed to the intermediate portion of the adjusting rod 59 is moved up and down along the square hole guide 57.

In addition, the adjusting rod 59 is provided above the adjusting rod 59.
A stopper 62 with a diameter larger than 59 is fixed, and this stopper 62
A roller holder 63 is horizontally rotatably mounted on an adjusting rod 59 on the 62. The roller holder 63 is located above the roller holder 63, and the stopper 64 of the roller holder 63 is provided on the upper end of the adjusting rod 59.
Is stuck.

The roller holder 63 is formed in a substantially rectangular shape that can be inserted into the upper guide rail 1, and roller support shafts 65 in a direction orthogonal to the adjusting rod 59 project from both sides in the width direction thereof. The roller support shafts 65 on both sides are accommodated in the roller accommodating portions 8 formed on both sides of the upper guide rail 1 and are supported on the roller supporting plate 4 for movement. The guide rollers 22 are rotatably mounted, and the guide rollers 22 on both sides of the guide rollers 22 are recessed portions 66 formed on both sides of the roller holder 63 in the width direction.
It is rotatably arranged inside.

Further, storage recesses 67 having open upper surfaces are formed on both sides of the roller holder 63 in the lengthwise direction. The storage recesses 67 on both sides are formed in the same direction as the guide rollers 22 on both sides. The regulation rollers 68 that rotate toward each side are rotatably accommodated in a shaft, and the regulation rollers on both sides of the regulation rollers 68 are accommodated.
The upper portion of 68 is projected upward from the opening surface of the accommodation recess 67.

The regulating rollers 68 on both sides are formed to have a width accommodated in the roller accommodating portion 7 on the upper part of the upper guide rail 1, and the upper guide rails are formed on both sides in the width direction of the central portion. The bearing bosses 69 that abut on the lower ends of the first guide ridges 6 are integrally provided horizontally in opposite directions.

A roller support shaft 70 is rotatably inserted through the bearing bosses 69 on both sides in parallel with the roller support shaft 65, and both end portions of the roller support shaft 70 are accommodated in respective accommodation recesses 67.
Is axially mounted on a bearing 71 projectingly provided so as to face the opening edge of the. The upper portions of the regulating rollers 68 on both sides are accommodated in the upper roller accommodating portion 7, and the position is regulated by the guide ridges 6 facing each other in the roller accommodating portion 7.

Then, the rotary shaft 52 having the rotary operation portion 54, the bevel gear 53 formed on the rotary shaft 52, and the bevel gear.
A bevel gear 55 meshed with 53 and a roller adjusting mechanism 72 for vertically adjusting a set position of a roller holder 63 having the guide roller 22 and a regulation roller 68 by an adjusting rod 59 which is moved up and down by the bevel gear 55. Is configured.

Next, the lower runner unit 19 is
The case holder 20 of the upper runner unit 18 and the roller case 21 fitted in the fitting recess 25 of the case holder 20 are inverted upside down, and therefore, the same structural parts as the case holder 20 and the roller case 21. For the above, the reference numerals used for the case holder 20 and the roller case 21 are added, and the description thereof is omitted.

Thus, the roller case 21 has a cylindrical guide hole 73 extending in the vertical direction extending from the intermediate case portion 48 and the upper case portion 56 of the case body 31, and the lower end portion of the guide hole 73 is formed. A vertical insertion hole 74 having a diameter smaller than that of the guide hole 73 is formed to communicate therewith. A suspension rod 75 is vertically slidably inserted into the insertion hole 74, and a roller holder 76 is mounted on a lower end portion of the suspension rod 75 so as to be horizontally rotatable.

The roller holder 76 is formed in a substantially rectangular shape with a width that is movably accommodated in the lower guide rail 9, and a lower end portion of the suspension rod 75 is rotatably inserted in an intermediate portion thereof. Is formed with a through hole 76a, and a roller accommodating portion 77 is formed around the lower end of the hanging rod 75 inserted through the through hole 76a. At the lower end of 75, a regulating roller 78 is rotatably mounted horizontally in the roller accommodating portion 77, and the outer peripheral portion of the regulating roller 78 is regulated by the side plates 11 of the lower guide rail 9 facing each other. It has become so.

Further, horizontal roller support shafts 79 are rotatably mounted in parallel on both ends of the roller holder 76, and the lower guide rails 9 are mounted on both end parts of the roller support shafts 79 on both sides. The guide rollers 80 accommodated in the roller accommodating portions 14 on both sides of the guide roller 80 are fixed to each other, and the upper portions of the guide rollers 80 at the both ends move to the lower surface portions of the roller supporting plates 12 facing the lower guide rails 9, respectively. It is designed to be freely engaged.

A coil spring 81 is wound around the upper portion of the suspension rod 75 protruding into the guide hole 73, and one end of the coil spring 81 is projected from the upper end of the suspension rod 75. While being locked to the flange 82, the other end is locked to the opening edge of the insertion hole 74. Then, the suspension rod 75 is always urged upward by the coil spring 81, and the upper surface of the roller holder 76 axially mounted on the lower end of the suspension rod 75 opens the insertion hole 74. It is designed to come into contact with the edge.

Next, the operation of the above embodiment will be described.

A case holder for the upper runner unit 18 is provided in a buried recess 17 formed at the upper end of the opening 16 of each door body 15.
The case 20 is embedded and the case holder 20 is fixed in the embedded recess 17 by screwing a fixing screw 28 into the inner wall portion of the embedded recess 17 from the upper and lower insertion holes 29 formed in the fixed substrate 23 of the case holder 20.

Further, the case holder 20 of the lower runner unit 19 is embedded in the embedding recess 17 formed at the lower end of the opening 16 of each door body 15, and the fixed substrate 23 of this case holder 20 is embedded.
The fixing screw 28 is screwed into the inner wall portion of the embedded recess 17 from the upper and lower insertion holes 29 formed in the case holder, and the case holder is inserted into the embedded recess 17.
Fix 20.

Further, the upper guide rail 1 accommodates the guide rollers 22 and the regulating rollers 68 which are axially mounted on the roller case 21 of the upper runner unit 18. That is, by accommodating the guide rollers 22 on both sides in the roller accommodating portions 8 on both sides of the upper guide rail 1 and movably engaging with the roller support plate 4, the roller accommodating portions on the upper guide rail 1 are accommodated. The upper portion of each regulation roller 68 is accommodated in the portion 7, and the lower end portion of the roller holder 63 is movably arranged in the guide groove 5 of the upper guide rail 1. The roller case 21 of the upper runner unit 18 is movably engaged with and suspended from the upper guide rail 1 via the guide rollers 22.

The lower guide rail 9 has a regulating roller 78 mounted on the roller case 21 of the lower runner unit 19 on the lower guide rail 9.
Also, each guide roller 80 is accommodated. That is, by accommodating the guide rollers 80 on both sides in the roller accommodating portions 14 on both sides of the lower guide rail 9 and movably engaging the roller support plate 12, the space between both side plates 11 of the lower guide rail 9 is reduced. The regulation roller 78 is accommodated in the guide roller 13, and the upper end of the roller holder 76 is movably disposed in the guide groove 13 of the lower guide rail 9. The roller case 21 of the lower runner unit 19 is attached to the lower guide rail 9 and the guide rollers 80.
And is movably engaged and supported via the regulation roller 78.

Next, an upper runner unit in which each guide roller 22 is engaged with and suspended from the upper guide rail 1 in the fitting recess 25 of the case holder 20 of the upper runner unit 18 fixed to the opening 16 of the door body 15. When the roller case 21 of 18 is inserted, the insertion end of the sliding surface 42 formed on the opposing lever piece 41 of the lock lever 39 provided on the roller case 21 faces the fitting recess 25 of the case holder 20. It abuts on the guide surface 27a of the protruding stopper 27.

When the roller case 21 is further strongly inserted into the fitting recess 25 of the case holder 20, the opposite sliding surfaces 42 of the lock lever 39 of the roller case 21 are guided by the guide surfaces 27a of the stoppers 27 facing each other. When the lock lever 39 is pushed, the lock lever 39 is rotated around the support shaft 37 against the coil spring 46 in the direction of retracting from the insertion groove 33 of the roller case 21, and the guide surface 27a of the opposing stopper 27 is rotated.
Is gradually pushed along.

At this time, the guide ridges 26 facing each other in the fitting recess 25 of the case holder 20 are engaged with the guide recesses 32 on both sides of the roller case 21, and the corresponding stoppers 27 of the case holder 20 are in contact with each other. By being inserted into the insertion groove 33 of the 21, the guide case 26 and the guide recess 32 mutually and the stopper 27 and the insertion groove 33 perform mutual positioning and guiding action, whereby the roller case 21 is smoothly attached to the case holder 20. Mated.

The roller case 21 is deeply fitted into the fitting recess 25 of the case holder 20, and the sliding surface 42 of the lock lever 39 of the roller case 21 is opposed to the guide surface 27a of the stopper 27. And the lock lever 39 is returned and rotated about the support shaft 37 by the return force of the coil spring 46, and the engaging portions 43 of the lock lever 39 facing each other are the stoppers 27 of the case holder 20 facing each other.
Are automatically locked to the locking surfaces 27b of the.

Therefore, the fitting recess of the case holder 20
The roller case 21 is deeply fitted into the inside of 25, the roller case 21 is locked to the case holder 20 by the lock lever 39, the upper runner unit 18 is connected with one touch, and the case of the upper runner unit 18 is connected. The door body 15 to which the holder 20 is fixed is movably attached along the upper guide rail 1 by the roller case 21 and each guide roller 22 of the roller case 21, that is, the upper end of the door body 15 is attached to the upper guide rail 1. The part can be easily attached with the upper runner unit 18 with one touch.

Next, when the roller case 21 is removed from the fitting recess 25 of the case holder 20 of the upper runner unit 18, the operation portion 44 of the lock lever 39 protruding into the operation port 35 of the roller case 21 is engaged. When the pushing operation is performed downward in the direction of separating from the stop projection 47, the lock lever 39 is rotated downward around the support shaft 37 against the coil spring 46 by the operation portion 44, and the lock lever 39 is rotated. The opposite locking portions 43 of the roller holder 21 are released from the locking surfaces 27b of the stoppers 27 of the case holder 20 facing each other, and the roller case 21 is unlocked.

Then, by pulling out the roller case 21 from the fitting recess 25 of the case holder 20 or vice versa, by pulling the case holder 20 out of the roller case 21, the roller is released from the fitting recess 25 of the case holder 20. Case
21 is easily removed. Further, when the roller case 21 is removed from the fitting recess 25 of the case holder 20 of the lower runner unit 19, the roller case is operated by operating the lock lever 39 as in the case of the upper runner unit 18.
21 is unlocked and the fitting recess 25 of the case holder 20
The roller case 21 is easily removed from the inside.

Next, in the fitting recess 25 of the case holder 20 of the lower runner unit 19 fixed to the opening 16 of the door body 15, the lower guide rail 9 and the regulating roller 78 and each guide roller are inserted.
The roller case 21 of the lower runner unit 19 that engages and supports 80 is inserted, and the fitting recess of the case holder 20 is inserted.
When the roller case 21 is deeply fitted into the inside of the 25, the lower runner unit 19 is connected with one touch as in the case of the upper runner unit 18.

That is, the roller case 21 is locked to the case holder 20 by the lock lever 39, the lower runner unit 19 is connected by one touch, and the case body 20 of the lower runner unit 19 is fixed to the door body.
15 is movably mounted along the lower guide rail 9 by the roller case 21, the regulation roller 78 and each guide roller 80 of the roller case 21, that is, the lower end of the door body 15 is lower on the lower guide rail 9. Runner unit 19 allows easy one-touch installation.

At this time, the position of the roller case 21 supported by the lower guide rail 9 is moved up and down with respect to the position of the case holder 20 in the lower runner unit 19 at the lower end of the door body 15 suspended by the upper guide rail 1. If it is displaced in the direction, the roller case 21 is vertically moved against the coil spring 81 with respect to the suspension rod 75 supported by the roller holder 76 having the regulation roller 78 and each guide roller 80. By doing so, the position of the roller case 21 is easily aligned with the position of the case holder 20 of the lower runner unit 19, so that the roller case 21 is easily fitted into the case holder 20 of the lower runner unit 19 with one touch. Are connected.

In this way, each door body 15 of the folding door can be easily attached between the upper guide rail 1 and the lower guide rail 9 via the upper runner unit 18 and the lower runner unit 19, and each door body 15 can be installed on the site. The installation work of the door body 15 can be easily performed, and the work efficiency can be significantly improved.

Next, when each door body 15 is attached between the upper guide rail 1 and the lower guide rail 9 via the upper runner unit 18 and the lower runner unit 19, the lower end portion of the upper guide rail 1 and If the distance between the upper end of the door body 15 is too narrow and it is inconvenient for opening and closing the door body 15, or if this space is too wide and the appearance is bad and the appearance is impaired, the distance Depending on the situation, the roller adjusting mechanism 72 is adjusted to move each door 15 up and down, and the distance between the lower end of the upper guide rail 1 and the upper end of each door 15 is adjusted to an appropriate distance. To set.

That is, when the rotary operation part 54 of the roller adjusting mechanism 72 is rotated to rotate the rotary shaft 52 in one adjusting direction according to the condition of the interval, the bevel gear 53 of the rotary shaft 52 is rotated. The bevel gear 55 meshing with the bevel gear 53 is interlockedly rotated, and the adjusting rod 59 is moved up and down via the screw rod portion 60 screwed into the screw hole 61 of the bevel gear 55.

At this time, the upper end of the adjusting rod 59 is supported by the roller holder 63 having the guide rollers 22 engaged with the upper guide rail 1 by the retaining body 64 so that the bevel gears 53, 55 are not supported. The rotation causes the adjusting rod 59 to move up and down, and the roller case supported by the adjusting rod 59.
21 and a case holder 20 fitted with this roller case 21
The door body 15 to which the case holder 20 is fixed is moved up and down via.

Therefore, by adjusting the rotation of the rotary shaft 52 with the rotation operating portion 54, the distance between the lower end of the upper guide rail 1 and the upper end of each door 15 can be easily adjusted to an appropriate distance. Adjusted and set. In this case, the guide ridges 26 on both sides of the case holder 20 are engaged and supported in the guide recesses 32 on both sides of the roller case 21 supporting the adjusting rod 59, and are inserted into the insertion grooves 33 of the roller case 21. Case holder
Since the stoppers 27 on both sides of 20 are engaged and supported, and the roller case 21 is fitted in the fitting recess 25 of the case holder 20, the adjusting rod 59 is moved up and down, and the case holder 20 and the roller case. The door body 15 is surely moved up and down via 21.

When each door body 15 is moved up and down, the roller case 21 fitted in the fitting recess 25 of the case holder 20 of the lower runner unit 19 at the lower end of each door body 15 is lifted. It is moved up and down against the coil spring 81 with respect to 75. The doors 15 are always mounted vertically between the upper guide rail 1 and the lower guide rail 9 by the suspension rod 75 and the coil spring 81.

Next, each door body 15 is attached between the upper guide rail 1 and the lower guide rail 9 via the upper runner unit 18 and the lower runner unit 19, so that each door body 15 is attached to the upper runner unit 18. Also, the lower runner unit 19 can be opened and closed easily.

At this time, when each door body 15 is opened and closed, each door body 15 is closed, and each door body 15 is opened, if each door body 15 tries to fall down, the upper runner unit 18 The bearing bosses 69 at both ends of the regulation roller 68 disposed on both sides of the guide roller 22 of the roller holder 63 are respectively brought into contact with the lower ends of the guide ridges 6 of the upper guide rail 1 which face each other. The bearing bosses 69 on both ends of the regulation rollers 68 on both sides and the lower ends of the guide ridges 6 facing each other prevent the roller holder 63 from tilting in the upper guide rail 1 and are supported by the roller holder 63. It is possible to prevent each door body (15) suspended via the adjusting rod (59) from falling.

In the lower runner unit 19, the guide rollers 80 at both ends of the roller support shaft 79 arranged on both sides of the regulation roller 78 of the roller holder 76 are the roller support plates of the lower guide rail 9. The roller holders 76 are pressed against the lower surfaces of the rollers 12 to prevent the roller holders 76 from tilting in the front-rear direction in the lower guide rails 9.
Each door body 15 is prevented from falling through the suspension rod 75 and the coil spring 81 supported by the roller holder 76.

Next, when each door body 15 is opened and closed, when each door body 15 is closed, and when each door body 15 is opened, each door body is opened.
When 15 tries to move in the width direction of the upper guide rail 1 and the lower guide rail 9, the regulation roller 78 provided in the roller holder 76 of the lower runner unit 19 comes into contact with the opposite side plates 11 of the lower guide rail 9. Further, the guide ridges 6 are provided on the roller holder 63 of the upper runner unit 18 and the upper portions of the end faces in the width direction of the regulation rollers 68 on both sides are one side.
Abut. Therefore, the restriction rollers 78 of the lower runner unit 19 and the restriction rollers 68 on both sides of the upper runner unit 18 prevent each door body 15 from moving in the width direction of the upper guide rail 1 and the lower guide rail 9.

Next, in the above-described embodiment, the upper runner unit 18 and the lower runner unit 19 are the door body 15 at the opening 16
However, the upper runner unit 18 and the lower runner unit 19 may be embedded and fixed on the back surfaces of the upper end portion and the lower end portion of the door body 15.

[0074]

According to the invention of claim 1, a case holder is provided which is embedded and fixed in the opening / closing body and has a fitting recess and a stopper projecting from the fitting recess. A lock having a lock case in which a roller case in which a guide roller that engages with a guide rail that guides the opening / closing body is rotatably mounted is fitted, and the roller case is engageably and disengageably locked with a stopper of the case holder. A lever is rotatably supported, and the lock lever is constantly energized to return the lock lever when the roller case is fitted in the fitting concave portion of the case holder to lock the locking portion. Since the spring that locks to the stopper is provided, the case can be operated by one-touch operation by simply fitting the roller case in which the guide roller is rotatably mounted in the fitting recess of the case holder. Provided with an opening / closing body mounting device that can securely fix the roller case to the holder and does not require screwing operation using a fixing screw to fix the roller case, and this mounting operation is simple and suitable for on-site work. can do.

According to the second aspect of the present invention, the case holder is provided at a position where the fitting recess is provided so as to project from a guide ridge in a fitting direction of the roller case, and the fitting recess is provided at a position where the fitting recess is opposed to each other. The roller case has stoppers that are spaced apart from and parallel to the guide ridges, and the roller case is formed on both sides of the guide recesses and is guided by the guide ridges, and is spaced apart from and parallel to the guide recesses. When the roller case is fitted in the fitting recess of the case holder, the guide projection and the guide recess are engaged by the guide action to fit the case holder. The roller case can be smoothly fitted into the fitting recess, and the mutual fitting can surely prevent the roller case from coming out upward. Further, at the same time when the guide ridge and the guide recess are fitted together, the stopper can be securely fitted into the insertion groove, and the lock lever can be reliably engaged with the stopper.

According to the third aspect of the present invention, the lock lever is rotatably supported by the support shaft disposed near the insertion groove of the roller case and slides along the stopper. A surface, a vertical locking portion formed at a rear end portion of the sliding surface, and an operation portion releasably engaged with a locking projection piece protruding from the roller case, Since the lock lever is constantly urged by the spring about the support shaft so that the sliding surface projects into the insertion groove, the sliding surface of the lock lever can be fitted by fitting the roller case into the fitting recess of the case holder. Is disengaged from the side surface of the stopper, and the lock lever is returned and rotated about the support shaft by the restoring force of the spring, so that the locking portion of the lock lever can be automatically locked to the stopper.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention with an upper door opening / closing device separated.

FIG. 2 is a cross-sectional view showing the same fitted state.

FIG. 3 is an exploded perspective view of the same lock lever.

FIG. 4 is a partial cross-sectional view showing a state where the above door body is attached.

FIG. 5 is a side view showing the same as above.

FIG. 6 is a plan view of the upper runner unit of the above.

FIG. 7 is a front view showing a state in which the door body is attached.

FIG. 8 is a perspective view showing a state where a lower door opening / closing device is separated.

FIG. 9 is a cross-sectional view showing the same fitted state.

FIG. 10 is a bottom view of the same upper and lower runner unit.

[Explanation of symbols]

 1 Upper guide rail 9 Lower guide rail 15 Opening / closing body 20 Case holder 21 Roller case 22, 80 Guide roller 25 Fitting recess 26 Guide protrusion 27 Stopper 32 Guide recess 33 Insert groove 37 Spindle 39 Lock lever 42 Sliding surface 43 Engagement Stop part 44 Control part 46 Spring 47 Locking protrusion

Claims (3)

[Claims] 1. A case holder having a fitting recess fixed to the opening / closing body and a stopper protruding from the fitting recess, and a guide rail fitted in the fitting recess of the case holder to guide the opening / closing body. A roller case having a rotatable guide roller that engages with a lock lever, a lock lever having a locking portion that is rotatably supported by the roller case and that is engageably and disengageably locked with a stopper of the case holder, and the lock. A spring for biasing the lever at all times to rotate the lock lever to return to rotate and lock the locking portion with the stopper when the roller case is fitted in the fitting recess of the case holder. Opening / closing body mounting device characterized by. 2. The case holder is provided at a position opposite to the fitting concave portion so as to project from a guide ridge in a fitting direction of the roller case, and at a position opposite to the fitting concave portion from the guide ridge. The roller case has stoppers provided in parallel with each other, and the roller case has guide recesses formed on both sides thereof and guided by the guide projections, and the stoppers formed in parallel with the guide recesses apart from each other. The opening / closing body attachment device according to claim 1, further comprising: 3. A sliding surface, wherein the lock lever is rotatably supported by a support shaft arranged near the insertion groove of the roller case, and slides along the stopper. It has a vertical locking part formed at the rear end part and an operating part that releasably engages with the locking projection projectingly provided on the roller case. The opening / closing body mounting device according to claim 1 or 2, wherein the lock lever is constantly urged to cause the sliding surface to project into the insertion groove.