EP2476840B1 - Track roller device - Google Patents

Description

The invention relates to a roller device for insertion into the frame profile of a sliding leaf according to the preamble of patent claim 1.

In the design of sliding sash systems several sliding panels are arranged parallel to each other displaceable on a bottom rail. To achieve an open position of a sliding wall while the sliding elements can be positioned one behind the other; they can be moved in succession to close the wall. For this purpose, the sliding leaves are provided on the bottom side with rollers with which they are movable on mutually parallel "walkways" of the floor rails. On the ceiling side, the sliding sashes are guided in a ceiling rail. The rollers are regularly stored in a roller housing, which is inserted on the bottom side in the frame profile of the sliding leaf. For leveling the sliding leaf, it is known to provide a height adjustment of the roller over which the position of the roller is adjustable relative to the roller housing. For this purpose, it is known to arrange the rollers in a roller receiving, which is provided with an inclined plane, wherein in the roller housing a semi-cylindrical element is arranged, against which the inclined plane of the roller support. By horizontal displacement of the roller receptacle within the roller housing slides the inclined plane along the semi-cylindrical body, whereby an adjustment of the height of the roller is effected relative to the roller housing.
The EP 1 500 765 A1 discloses all features of the preamble of claim 1.
A disadvantage of the previously known roller housing, that this is expensive to manufacture and also claimed a large space. The invention aims to remedy this situation. The invention has for its object to provide a roller device for insertion into the frame profile of a sliding sash, which is easier to manufacture and a more compact Construction allows. According to the invention, this object is solved by the features of the characterizing part of patent claim 1.

With the invention, a roller device for insertion into the frame profile of a sliding wing is created, which is easy to manufacture and allows a more compact design. By providing a pivotally mounted in the housing roller mount, which is pivotable via a movable within the housing adjustment, the required range of motion for height adjustment of the roller is reduced.

In a further development of the invention, the adjusting element is formed by a screw which can be screwed against the roller holder, whereby a pivoting of the roller holder can be achieved. As a result, a finely adjustable height adjustment is possible.

In an embodiment of the invention, the pivotable mounting of the roller receptacle is formed by a molded onto the roller receiving cylindrical portion which is arranged in a cylindrically shaped eye of the housing. As a result, an easily realizable and at the same time robust pivot axis is achieved. In this case, by the design of the transition to the cylindrical portion in conjunction with the shape of the eye simply a limitation of the pivot angle of the roll holder produced.

According to the invention, the roller receptacle has an axle receptacle for a roller axle, wherein a spring arm is arranged on the axle receptacle, which is designed such that it deflects when introducing a roller axle into the axle receptacle and springs back to its original position after reaching the bearing position of the roller axle , whereby the roller axle is held in the axle receptacle. As a result, a simple installation of a roller by "clicking" in the roller mount allows. By retaining the spring arm also the roller can be easily removed, whereby a wear-related change is facilitated.

In a further embodiment of the invention, a cap is formed on the housing. This allows a simultaneous closing of the opening of the frame profile with introduction of the housing. A subsequent closing over a separate cap is not required.

In a further development of the invention, at least one laterally projecting driver is integrally formed on the cap. By means of such an integrated driver, it is possible to easily move several sliding sashes in a sliding sash system.

In an embodiment of the invention, a locking hook is arranged, which is connected to an operating lever, via which the locking hook is movable in a Verrieglungs- and an Entrieglungsposition. As a result, an integrated Verrieglungsmöglichkeit is provided at a the roller device receiving sliding sash. A separate locking device is not required.

Advantageously, a locking lock for fixing the locking hook is arranged in the Verrieglungsposition. This makes it possible to prevent unauthorized shifting of a sliding sash.

In a further embodiment of the invention, the locking hook on a boom to which a locking lever of the locking lock in the locking position of Verrieglungshakens can be applied, whereby a determination of the Verrieglungshakens is effected. As a result, a housing integrated, self-contained lockable determination of the locking hook is achieved. An interaction, for example, with a catwalk of the floor rail does not take place.

In a further development of the invention, the locking hook is provided with a slotted guide, in which engages a connected to the operating lever rotary cam, wherein the locking hook is biased by a spring against the rotary cam, such that the operating lever can be locked in two defined rotational positions is. As a result, two defined positions unlocking / locking position allows, which is counteracted, for example, an unintentional locking a sliding sash.

In a further embodiment of the invention, a drawer for releasably receiving a hold-down is arranged. This allows a temporary removal of the blank holder for assembly or disassembly purposes.

In a further development of the invention, the insert is formed by two arms arranged in parallel, on which on its side facing the respective opposite arm a guide web is integrally formed, which guide webs engage in arranged on two opposite sides of the hold-down guide grooves. As a result, the simple production of a slot close to the slot is possible.

Preferably, an undercut is disposed above the hold-down between the arms in the housing, which is engaged behind by a latching element arranged on the hold-down. As a result, a simple fixation of the blank holder is made possible in the slot.

In a further embodiment of the invention, the hold-down on its side facing away from the undercut two oppositely arranged gripper for enclosing the sliding head of a catwalk on. As a result, a simple application of the blank holder is made possible on a catwalk before insertion into the slot of the housing.

Figur 1

die schematische Darstellung einer auf einer Bodenschiene angeordneten Laufrollenvorrichtung;

Figur 2

die Laufrollenvorrichtung aus Figur 1 in Explosionsdarstellung;

Figur 3

die Detailansicht des Niederhaltereinschubs der Laufrollenvorrichtung aus Figur 1 in Schnittdarstellung;

Figur 4

die Darstellung der Laufrollenvorrichtung aus Figur 1 in der Ansicht von vorne;

Figur 5

die räumliche Darstellung des Gehäuses der Laufrollenvorrichtung aus Figur 1;

Figur 6

die Darstellung eines Gehäuses in einer weiteren Ausführungsform und

Figur 7

die schematische Darstellung eines vierspurigen Schiebeflügelsystems.

Other developments and refinements of the invention are specified in the remaining claims. An embodiment of the invention is illustrated in the drawings and will be described in detail below. Show it:

FIG. 1

the schematic representation of a arranged on a bottom rail roller device;

FIG. 2

the caster device FIG. 1 in exploded view;

FIG. 3

the detailed view of the hold-down insert of the roller device FIG. 1 in sectional view;

FIG. 4

the representation of the roller device FIG. 1 in the view from the front;

FIG. 5

the spatial representation of the housing of the roller device FIG. 1 ;

FIG. 6

the representation of a housing in a further embodiment and

FIG. 7

the schematic representation of a four-lane sliding wing system.

The selected as an embodiment roller device for insertion into the frame section 81 of a sliding leaf 8 consists essentially of a housing 1 in which a roller holder 2 is pivotally mounted, which receives a roller 3. Furthermore, a locking hook 4 is arranged in the housing 1, which is connected via a rotary cam 51 with an operating lever 5. Adjacent to the operating lever 5, a lock 6 for fixing the locking hook 4 is inserted into the housing 1. On the head side, a hold-down 7 is inserted into the housing 1.

The housing 1 is made in the embodiment as a metal casting. It is formed from two spaced-apart side walls 11, which are connected to each other via a cover plate 12 and the end via a pivot block 13. In the cover plate 12 threaded holes 121 are introduced for receiving clamping screws 122. Furthermore, in the pivot block 13 at its free end, an eye 131 for pivotally mounting the roller holder 2 is introduced. In addition to the cover plate 12, a threaded through bore 132 for receiving a cylinder screw 133 is additionally introduced into the pivoting block 13. Adjacent to the pivot block 13 are in the side walls 11 mutually aligned recesses 14 for receiving a locking lock 6 and recesses 15 for receiving the rotary cam 51 of the operating lever 5 introduced. Obliquely offset from the recess 15, an axle receptacle 16 for the pivot axis 45 of the locking hook 4 is also arranged in the side walls 11. At the top of the housing 1 a cap 17 is formed. The cover plate 17 projecting over the cover plate 12 is provided with a recess 171 for the passage of the locking hook 4. The recess 171 is bounded on its side opposite the cover plate 12 side by an integrally formed between the side walls 11 web 19, on whose side facing away from the recess 171 an undercut 191 is introduced. The cap 17 terminates in arms 18 integrally formed on the side walls 11 at the end. Below the arms 18, these drivers 182 are integrally formed. The cap 17 covers the head-side ends of the arms 18 and the driver 182, to which it is integrally formed.

The roller holder 2 is formed in the manner of a rocker. It has two oppositely arranged legs 21, in which an axle 22 is introduced. On the legs 21, a spring arm 23 is arranged, which projects into the axle 22. At its end facing the pivot block 13, a cylindrical portion 24 is formed on the roller seat 2, which corresponds to the eye 131 of the pivot block 13. Above the cylindrical portion 24, a stop 25 is arranged, the contour of which substantially corresponds to the contour of the stop 134 introduced above the eye 131 against the pivoting block 13. The roller mount 2 is held with its cylindrical portion 24 in the eye 131 of the pivot block 13 pivotally. By guided through the threaded through bore 132 cylinder screw 133, which passes through the pivot block 13 in the region of the stopper 134, a pivoting of the roller receptacle 2 via the contact with the stopper 25 is made possible.

The roller 3 has an axis 31 on which the roller 3 is rotatably mounted. Outside the roller is provided with a running profile 32 with a U-shaped cross-section. The running profile 32 is made in the embodiment of plastic, the roller 3 made of metal. The roller 3 is held about its axis 31 in the axle 22 of the roller holder 2.

The locking hook 4 has a hook portion 41, to which a link portion 42 connects, which opens into a boom 43. In the transition from the hook portion 41 and gate section 42, a bore 44 for receiving a pivot axis 45 is introduced into the locking hook 4. The locking hook 4 is pivotally mounted in the housing 1 via the pivot axis 45. In the gate section 42, a slotted guide 421 is introduced for engagement of the rotary cam 51 of the operating lever 5. Here, the slide guide 421 is formed such that two locking positions are arranged for the rotary cam 51. In the boom 43, an opening 431 is introduced. The breakthrough 431 is used to reach the above the boom 43 through a threaded hole 121 through the cover plate 12 performed clamping screw 122. The locking hook 4 is biased by a leaf spring 46 against the mud cam 51 of the operating lever 5.

The operating lever 5 is connected via a cylinder screw 50 with a rotary cam 51. The rotary cam 51 is provided with a cam part 511 that engages in the slotted guide 421 of the link section 42 of the locking hook 4. In this case, the cam member 511 opens into a pin 512 which passes through a guide slot 422 introduced in the slide guide 421. In the two locking positions, the pin 512 of the rotary cam 51 bears against one end of the guide slot 422. On its side opposite the control lever 5, a mushroom-shaped contour element 52 is formed in the rotary cams 51. By inserting a slotted tool into the contour element 52, an actuation of the rotary cam 51 on the side facing away from the operating lever 5 of the housing 1 is made possible. Instead of a slot-shaped contour element 52 may of course be arranged as a polygon formed or contoured contour element 52, which is actuated by a corresponding tool.

The lock 6 is fixed to the housing 1 via a locking plate 63. It essentially comprises a lock cylinder 61 which is connected to a locking lever 62. The lock cylinder 61 is inserted into the recess 14 of the side walls 11, such that the locking lever 62 is aligned vertically in the direction of the cover plate 12. In the closed position of the locking hook 4, the angled arm 43 abuts approximately flush against the free edges of the side walls 11. In this position, the locking lever 62 can be pivoted by means of a key inserted into the lock cylinder 61 in the direction of the locking hook 4 until it rests on the boom 43. In this position, the boom 43 is fixed so that pivoting of the locking hook 4 is prevented via the operating lever 5.

The hold-down 7 is designed substantially cuboid. He has two oppositely molded gripper 71, at the free ends inside parallel webs 72 are integrally formed. Above the gripper 71, a guide groove 73 is introduced into the hold-down 7 at its two longitudinal sides, which are bounded by a stop 731. On its upper side facing away from the grippers 71, a spring arm 74, which has an outwardly directed latching element 741, is integrally formed on the downholder 7. In the exemplary embodiment, the hold-down 7 is designed as a plastic injection molded part.

The hold-down 7 is inserted between the arms 18 of the housing 1, wherein the guide webs 181 engage in the guide grooves 73 of the blank holder 7 and abut against the stop 731. In this case, the locking element 741 engages over the spring arm 74 biased against the web 19 in the undercut 191, whereby the hold-7 is fixed in the housing 1. The hold-7 is advantageously inserted only after positioning the roller device on the catwalk 91 a bottom rail 9 in the housing 1. The hold-down 7 is first pressed onto the catwalk 91 in such a way that the elastic grippers 71 are pressed apart. After overcoming the sliding head 92 of the catwalk 91, the grippers 71 return to their original position, wherein the webs 72 engage behind the sliding head 92 of the catwalk 91. Subsequently, the hold-down along the catwalk 91 on the guide webs 181 of Housing 1 is pushed until the locking element 741 of the spring arm 74 engages in the undercut 191 of the web 19. A lifting of the roller device from the catwalk 91 of the bottom rail 9 is effectively prevented. To remove the roller device from the catwalk 91, the locking lug 741 can be spent by operating the spring arm 74 from the outside from the undercut 191 of the web 19, after which the hold-7 can be pushed out of the housing 1 out. In FIG. 6 a housing 1 is shown in a simplified embodiment. In this case, the entire locking mechanism with locking hook 4, operating lever 5 and lock 6 was recessed.

In FIG. 7 For example, a four-lane sliding sash system is shown. In this case, a roller device is used in the bottom-side frame section 81 of each sliding wing 8. The recess provided for this purpose in the frame profile 81 is closed by the cover cap 17 formed on the housing 1. The housing 1 is fixed in the frame profile 81 after insertion into the frame profile 81 of a sliding leaf 8 by tightening the clamping screws 122. The rollers 3 are placed on the catwalks 91 of the bottom rail 9, wherein the sliding head 92 of the catwalk 91 is encompassed by the running profile 32 of the roller 3. The roller devices 1 are secured on hold-downs 7 on the catwalks 91. As FIG. 7 it can be seen overlap the driver 182 of the housing 1 of the roller device of the sliding sash 8 such that a simultaneous displacement of several sliding sash 8 is possible.

Claims (13)

1. Track roller device for inserting into the frame profile of a sliding partition section, with a housing which holds at least one track roller, with means of adjusting the height of the track roller, where the means of adjusting the height of the track roller (3) comprise a roller retainer (2) mounted to pivot in the housing (1), which roller retainer (2) can be pivoted via a movable adjusting element within the housing (1), where the roller retainer (2) has an axle seat (22) for a roller axle (31) which is mounted in two legs (21) of the roller retainer arranged opposite one another, characterised in that a spring arm (23) is also mounted on the axle seat (22) in such a way that it projects into the axle seat (22), and which is formed in such a way that it deflects when the roller axle (31) is inserted into the axle seat (22), and then springs back to its original position when the roller axle (31) has reached its final mounting position, thereby holding the roller axle (31) in the axle seat (22).
2. Track roller device in accordance with claim 1, characterised in that the adjusting element is formed by a screw (133) which can be screwed against the roller retainer (2) thereby enabling the roller retainer (2) to be pivoted.
3. Track roller device in accordance with claim 1 or claim 2, characterised in that the pivoting mounting of the roller retainer (2) is formed by a cylindrical section (24) formed on the roller retainer (2) and which is arranged in a cylindrically shaped eye (131) of the housing (1).
4. Track roller device in accordance with any of the aforementioned claims, characterised in that a covering cap (17) is formed on the housing (1).
5. Track roller device in accordance with claim 4, characterised in that at least one laterally protruding catch (182) is formed on the covering cap (17).
6. Track roller device in accordance with any of the aforementioned claims, characterised in that a locking hook (4) is provided which is connected to an operating lever (5) by means of which the locking hook (4) can be moved into a locked and an unlocked position.
7. Track roller device in accordance with claim 6, characterised in that a lock (6) is provided for fixing the locking hook (4) in the locked position.
8. Track roller device in accordance with claim 7, characterised in that the locking hook (4) has an extension (43) against which a catch lever (62) of the lock (6) is laid in the locked position of the locking hook (4), thereby fixing the locking hook (4) in position.
9. Track roller device in accordance with any of the claims 6 to 8, characterised in that the locking hook (4) is fitted with a sliding block guide (421) into which a rotating tappet (51) connected to the operating lever (5) hooks, where the locking hook (4) is pressed against the rotating tappet (51) by a spring (46) in such a way that the operating lever (5) can be locked in two defined rotation positions.
10. Track roller device in accordance with any of the aforementioned claims, characterised in that a slide-in element is provided for the detachable engagement of a retaining block (7).
11. Track roller device in accordance with claim 10, characterised in that the slide-in element is formed by two parallel arms (18) on each of which arms a guide ridge (181) is formed on the side facing the opposite arm, which guide ridges (181) engage the guide grooves (73) arranged on the two opposite sides of the retaining block (7).
12. Track roller device in accordance with claim 11, characterised in that an undercut (191) is arranged above the retaining block (7) between the arms (18) in the housing, into which undercut a catch (741) arranged on the retaining block (7) hooks.
13. Track roller device in accordance with claim 12, characterised in that the retaining block (7) has two grippers (71) arranged opposite one another on the side facing away from the undercut (191) for embracing the sliding head (92) of a catwalk (91).

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