RU85534U1 - DEVICE FOR BRAKING THE OPENING AND CLOSING OF SLIDING DOORS AT THE END OF THE STROKE, IN PARTICULAR OF FURNITURE DOORS - Google Patents

Abstract

1. A brake device for opening and closing sliding doors (3), in particular sliding doors (3) of furniture, attached as a single unit to each door (3) or sliding partition with the possibility of its braking at the end of the stroke when opening and closing, characterized in that it essentially consists of a brake module (20), attached by means of its own holders (9), or even mounted on holders (1, 2) that support and slide a separate door (3), moreover, this module (20) equipped with two prot rotational type of retarding braking means (70 ', 70' '), the gear sleeve of which is directly engaged with the gear rack (36) available in the module (20), and each braking means (70', 70 '') is connected to its own a slider (40 or 50) guided by the module (20) and attached to one end of the elastic means (60), the opposite end of which is connected to the other slider (50 or 40), both sliders equipped with a hook (48, 58), which ensures activation and deactivation of the corresponding action at the final stop the movement being called. ! 2. The device according to claim 1, characterized in that the brake module (20) contains a structured base (21), which has a longitudinal lower groove (24) on its lower side and one side of which is preferably closed by a flange or a guide wall (31) of the cover (30), said lower groove (24) providing communication between the inner brake part of the module (20) and the external activating part for engaging and disengaging the opposed stops (80, 80 'and / or 81, 81') rails (6, 6 ') for

Description

This utility model relates to a device, preferably attached to one of the supporting holders of a sliding door or door (in particular a furniture door or sliding partition) and designed to inhibit the movement of doors at the ends of openings or windows that open and close these doors.

The use of sliding doors or glass partitions, for example, for furniture, display cases, built-in wardrobes or sliding partition walls, is preferable to hinged systems, because their type allows you to create larger closing and opening panels without the need for large spaces for opening and closing.

In accordance with known technology, any sliding doors or glass partitions are usually supported, due to their considerable dimensions, by a pair of holders or carriages attached at their upper ends. Each carriage contains a sliding roller, the rolling path of which passes along the rail. The rail is mounted on the upper surface of the piece of furniture or the cavity to be closed, while the stopper or lower guide, essentially parallel to the upper rail, forces the side opposite the door to always remain upright, even when sliding using numerous designs proposed and shown, for example, in patent documents EP 0001956 (dated 1978), US 5247763 (dated 1990) and EP 0567262 (dated 1992).

According to this known technology, there is usually a pair of adjacent cavities closed by a pair of doors. These doors, sliding along respective parallel rails and rails, provide full opening of one of the two cavities when the door of the closed cavity is closed by the opening door. When both doors close the corresponding cavities, they are on two parallel levels, while the edge of one of their central sides coincides ideally or, as a rule, somewhat overlaps the edge of the other door.

According to known solutions, closing and opening the cavity by the door occurs by advancing or moving the door along the corresponding rail due to the application of physical force proportional to the size and, therefore, the weight of the door.

To prevent excessive force, as a result of which the door is pushed toward the limiter for opening and closing the door too much, the known technology involves the use of “stoppers” or stopping devices with a narrow socket or section, inside which a grip can be provided for the moving door, slowing down its movement by friction before it reaches the door stop.

However, this method turned out to be rather inefficient. Firstly, due to wear and tear over time, but most importantly, due to the fact that when pushing the door forward or moving with excessive force, the narrow section of the delaying device does not always ensure the holding of the door grip that passes over the specified “stopper”, jumps on door stop, and, trying to shift back, partially prevents the opening of the cavity, the consequence of which is the need to manually adjust it to the position of the door, as well as frequent damage to parts that take on its impact.

In later technologies aimed at eliminating this drawback, braking at the end of the door stroke, i.e. when it is near the full opening or closing position, it is ensured by the depreciation of some elastically compressible device that comes into contact with the edge of the moving door, and its counter force is used for each of the two sides of the door to gradually release a special piston attached to it, for example a piston of a pneumatic mechanism proposed in patents EP 1348828 and EP 1426535.

However, each of the aforementioned known braking solutions has obvious disadvantages that reduce their effectiveness and limit their use to only the simplest options for furniture or sliding partitions that are not subjected to heavy use.

The first of these drawbacks is that the service life of the pistons is known to be limited by the strength of their seals, which requires preventive maintenance, which does not seem justified, for example, for furniture doors.

The second disadvantage is due to the combination of elastic means and pistons. It lies in the fact that with inaccurate collisions and providing inaccurate traction, the piston tends to deform and more often than expected becomes unusable, thereby reducing the service life of open and close furniture elements or doors.

Another disadvantage of this known technology is that a conventional traction spring, as is known, absorbs and transfers the impact force not uniformly, but in proportion to its expansion or extension, which results in an increase in the force required to displace the door at other opening and closing positions of the opening.

And finally, all the known methods of braking by springs and pistons mentioned above mainly relate to the case of using only two doors, since these devices are mounted directly on the rail. This circumstance prevents the use of braking devices for a possible third sliding door.

Thus, the main objective of this utility model is to create a device that alone provides braking at the end of the stroke when opening and closing sliding doors mounted, for example, on furniture, without having to use one device per holder, or, in any case, one device for the opening side, and the other for the closing side of the same door.

As part of the solution of this problem, another objective of this utility model is to balance the action of the braking means and the reaction of the corresponding elastic means in order to ensure an adjustable door travel in the final section, regardless of its mass and change in traction force, as well as maximum stretching of the elastic means, without using while bulky blocking systems to limit movement.

Another objective of this utility model is to create a braking device that can be adjusted and adapted for each type of sliding door, as well as installed on the door with the possibility of replacement.

Another objective of this utility model is to ensure the effective and stable operation of a device capable of automatically weakening the force of advancement or pulling, eliminating the possibility of damage caused by a collision of a door with a limiter.

Another objective of this utility model is to eliminate the need for door maintenance due to wear of the seals of the pistons used, and also due to their fragility with respect to impacts and collisions caused by improper advancement.

An additional objective of this utility model is to enable the installation of this brake device on furniture or cavities with three or more doors, without creating obstacles that interfere with the proper conduct of opening and closing operations.

These and other problems are solved by creating a braking device, characterized by the characteristics of paragraph 1 of the formula. Preferred embodiments are disclosed in the dependent claims.

A braking device for opening and closing sliding doors, in particular, sliding doors of furniture, is attached as a single unit to each door or sliding partition with the possibility of its braking at the end of the stroke when opening and closing. The device is characterized in that it essentially consists of a brake module attached by means of its own holders, or even mounted on holders that support and slide an individual door, moreover, this module is equipped with two opposite braking means of the well-known viscous-fluid rotary type, the gear sleeve of which is included in direct engagement with a gear rack installed in the module, with each braking means connected to its own slider, directing emomu module and attached to one end of elastic means whose opposite end is connected to the other slider, both of which are provided with slide hook, providing the activation and deactivation of the corresponding steps in the concluding portion braked movement.

In a preferred case, said device is characterized in that the brake module comprises a structured base which has a longitudinal lower groove on its lower side and one side of which is preferably closed by a flange or a guide wall of the cover, said lower groove providing communication between the internal brake part of the module and the external activating part for engaging and uncoupling opposed stoppers mounted close to the rails, for moving one or more doors. In a preferred case, the structured module or base has a longitudinal cavity that holds a pair of sliders and guides them in a longitudinal movement by means of a lid bounding this longitudinal cavity. Each slider contains braking means of a rotary viscous-fluid type, the gears of which are in direct engagement with the gear rack passing in the longitudinal direction of the module. In the preferred case, the gear rack is made integrally with the lid.

In the specified device, the sliders can be connected to each other by an elastic means acting as a result of tension and used to bring these sliders closer together to overcome the braking force created by their means. The elastic means is preferably a double helical traction spring made essentially of elastic material, one of the springs having end hooks or loops, and the other spring being inherently attached and coaxial, provided with end hooks or loops that can be attached to two sliders .

The lower groove of the structured base of the module has a pair of side recesses and / or nests made at its two ends.

In the preferred case, the cover has a small side wall or flange, the length of which is slightly less than the length of the lower groove of the structured base of the module.

In a preferred case, the sliders are connected to the corresponding hooks, which are located outside the module and can activate the pulling effect of the elastic means, as well as the braking effect of the braking means, due to the contact of these hooks with the stoppers installed in appropriate places near the rails for sliding or moving the doors.

After external or manual opening or closing of the specified door, the hooks can fit into the corresponding recesses or nests of the lower groove, remaining there in a state of engagement until they come into contact with the stoppers, which, acting on their contact seats, cause them to rotate on the shaft and release them from recesses or nests together with the corresponding sliders, creating the required braking during the tension reaction of the elastic means and the braking element of the braking means.

After external or manual opening or closing of the door, the hook bends can mesh with the ends of the small side wall of the lid and can remain in this mesh until they come into contact with the stoppers, which, acting on their contact seats, cause them to rotate on the shaft, releasing the indicated bends from engagement with the ends of a small side wall together with the corresponding slider, creating the required braking during the tension reaction of the elastic means and the braking element of the corresponding means.

In a preferred case, a safety hook is attached to the hook, and a safety hook is also attached to the other hook, the safety hooks being provided with a hook-shaped wall adjacent to the inclined wall, which may engage with the stoppers at the initial stage of device attachment, or in subsequent stages when it joins the sliding doors again.

In the preferred case, the brake module can be attached at any position of the upper side of the door, as well as in the reverse position with respect to the mentioned solution, by adjusting the position of the stoppers.

The tasks set, as well as some others, are essentially completely solved by the proposed device, which is a single module for braking the end of the door stroke. This module is used both at the opening and closing stages, and it can be attached, for example, to one support and to the longitudinally sliding door holders. The module contains two opposing inhibitory means, in particular of the known viscous-fluid rotary type, the gear sleeves of which directly engage with the teeth of a longitudinal gear rack, made in one piece with this module, each braking means attached to its own slider, which is longitudinally guided by the module and attached to the corresponding elastic means acting due to tension, the opposite end of which is attached to another slider. Finally, this slider contains a hook that activates and deactivates the corresponding stage of braking, due to its contact with the corresponding stoppers, and these stoppers are attached to the overlap of the cavity near the guide rail and are installed near the points of complete opening and closing of the doors on the closed opening.

In particular, the main feature of this utility model is the design of a single module for braking the end of the door stroke, and it can be used both to open and close the specified door. This module can be attached, for example, to one support and longitudinal sliding door holders, or to two independent mounting holders located on the upper side of the door. The module contains two opposing inhibitory means, preferably of the known viscous-fluid rotational type, the corresponding gear sleeve of which directly engages with the teeth of a single longitudinal gear rack, made in one piece with the module. Each braking means is attached to its own slider, which is longitudinally guided by the module and attached to a corresponding elastic means, the opposite end of which is connected to another slider, moreover, each slider also contains a hook, which activates and deactivates the corresponding stage of braking due to its contact with the corresponding fixed fingers located at the points of complete opening and closing of doors on the closed opening.

Further, the utility model is described in more detail on the example of preferred options for its implementation, not limiting the scope of its legal protection and disclosed with reference to the attached drawings, on which:

Figure 1 depicts a vertical section of the upper surface of a piece of furniture on which a pair of rails and corresponding fasteners are mounted to support sliding rollers and support holders for two or more sliding doors with which the proposed device for closing and opening cavities of a piece of furniture should be used;

figure 2 depicts a vertical section of the upper part of the sliding door for the furniture item shown in figure 1, complete with a supporting holder of the sliding roller and the improved device proposed, which provides braking of the end of the stroke when opening and closing the door;

figure 3 depicts a vertical section of the upper surface of a piece of furniture and the upper part of one of the sliding doors shown in figures 1 and 2, while the holder, the sliding roller and the door brake are shown already installed on one of the rails located on the upper surface of the piece of furniture ;

figure 4 from the top in a perspective view depicts the upper surface of a piece of furniture, namely a fragment of the upper surface, one of the upper parts of the door and the respective holders with sliding and support rollers, and also illustrates the attachment of the door braking device to one of these holders according to the design shown in FIG. .3;

figure 5 in a perspective view with a spatial separation of the parts depicts the containing module together with the cover and other elements that make up the proposed braking device shown in figure 4;

FIG. 6 is a perspective view illustrating said lid attached to the module shown in FIG. 5, wherein in this case the lid is shown in an inverted position;

Fig. 7 is a perspective view showing a slider and its hook that activates the braking step and which is placed on the left side of the lower part of the module shown in Fig. 4, as illustrated in the assembly shown in Fig. 5;

Fig.8 is a perspective view depicting a slider and its hook, which activates the braking step and which is placed on the right side of the lower part of the module shown in Fig.4, as illustrated in the assembly shown in Fig.5;

Fig. 9 in a perspective view depicts two sliders shown in Figs. 7 and 8 — the left and right, as well as their activation hooks, shown with the double elastic means connecting them apart;

figure 10 below shows the module shown in figures 4 and 5, attached to the parts engaged with fixed points that activate the proposed braking device, shown for illustrative purpose, while the activation hooks are shown apart at the maximum distance;

11 on top shows a piece of furniture having two cavities and two doors covering said cavities, and explains the position of the brake module shown in FIG. 5 attached to one of the two doors;

Fig. 12 from above on an enlarged scale illustrates one of the operating modes of the brake module shown in Fig. 11;

Fig.13 depicts a top view corresponding to Fig.11, but in this case one of the doors is shown at its manual displacement stage to fully open the cavity, after the initial braking stage, but before the final braking;

Fig. 14 from above on an enlarged scale illustrates one of the operating modes of the brake module shown in Fig. 13;

Fig. 15 depicts from above the piece of furniture shown in Fig. 11, one of the doors of which is at the stage of final braking when opening, in addition, this figure illustrates the position of the brake module shown in Figs. 4 and 5;

Fig. 16 is an enlarged view of the brake module shown in Fig. 15.

It should be borne in mind that in all the drawings, the same elements are indicated by the same reference numbers.

The claimed device for braking the course of opening and closing sliding doors, shown in the attached drawings, is essentially a brake module 20 attached to one of the holders 1 or 2 attached to the upper edge of the sliding door 3, the smoothness of which is ensured by the corresponding driven sliding rollers 4 and 5 running along a rail 6 connected in one piece with a base plate 12 mounted on the upper surface 7 of the cavity 8, which can be opened or closed by means of said door 3 ( hematicheski shown in Figures 3 and 4).

As follows from figures 3 and 4, this brake module 20, integral with one of the ends of the holder 1, is attached to the edge of the sliding door 3 also by the second holder 9, while the second rail 6 ', made with one integral with the base plate 12 and providing movement with braking of other sliding doors.

The sliding rollers 4 and 5 are fixed to the respective holders 1 and 2 according to known technology, i.e. by placing each of them on the corresponding plate 10 and 11, which provides height and vertical adjustment of each door 3, the base plate 12, over which the rails 6 and 6 'protrude, and which is attached to the upper surface 7, for example by screws 16, has an additional wall 13, covering the rails from the view, and an additional wall 14, acting as a stiffener for the plate 12.

Naturally, the support holders 1-2 and the adjusting plates 10, 11 on the sliding rollers 4, 5 can be structurally solved in various forms, including those options that are already available on the market. They are not innovations of this technical solution, the essence of which is actually the use of module 20 and its mounts, the descriptions of which are given below. This module 20 is made with the possibility of functioning on both sides of the door 3 and inhibits the movement in the final section of the stroke both when opening the cavity 8, and when it is closed.

In accordance with FIG. 5, the brake module 20 comprises a profile base 21 (structural base of the module) and a cover 30 that holds and guides a pair of opposing sliders 40 and 50 connected to each other by means of an elastic traction means 60. Each of the sliders 40 and 50 , contains its own rotational braking means 70 'and 70 "of a viscous-liquid type, which counteracts the thrust of the specified elastic means 60.

In more detail, the profile base 21 of the module has a special internal cavity 22 with a longitudinal open facilitating groove 23 and a lower open groove 24 with a pair of cut out side slots 25 and 26. The longitudinal open facilitating groove 23 is made in the side wall of the module 20. The lower open groove 24 is made in the bottom wall of the module 20. In the preferred case, a pair of cut out side slots 25, 26 extends from the lower open groove 24, or from under it, to the base 21 of the module 20.

There is at least one stopper 28, which is located in the center of the longitudinal cavity 22 of the module 20, is made integrally with the structural base 21 of the module and restricts the movement of opposing sliders 40 and 50 in the opposite direction.

The aforementioned lower open groove 24 of the module 20 is closed on one side by a blocking cover 30 and its guide wall 31, as a result of fixing, for example, with self-tapping screws passing through the slots 32 or through holes of the wall 31.

This cover also contains a small side wall 33, the length of which is less than the length of the lower open groove 24, while on its opposite side the cover contains a bar or longitudinal flange 35, on the inside of which there is a gear rack 36. As can be seen in Fig. 6, in the assembled state, the small side wall 33 extends substantially downward from the guide wall 31, while from its opposite upper side, the wall 31 comprises a bar or longitudinal flange 35. According to FIG. 6, the cover 30 is on its inner sides It comprises a bar 35 attached to the lid, for example, screws and equipped with a rack 36 having a serrated bottom edge.

As indicated above, in the slot of the module 20, formed by the cavity 22, a pair of freely sliding sliders 40 and 50 are installed, which contain viscous-liquid braking means 70 'and 70 "connected to each other by an elastic means 60, and the corresponding devices providing engagement and disengagement when The brakes 40, 50 and their components are indicated by common reference numbers 40, 50. In more detail, as shown in Fig. 7, the slider 40 has an oval hole 41 in which a viscous-fluid braking means 70 'with a gear Jernei 71 '.

This slider 40 also has a pair of branches 42, 43 defining a cavity 44 communicating with the transverse groove 45, while a through hole 46 is made in the slider, the diameter of which in the zone at the branch 42 is preferably smaller than in the region of its initial section. Essentially, a pair of branches 42, 43 forms a “C” shape with a transverse groove 45 extending horizontally from the middle of the vertical wall of the “C” symbol in the direction of the oval hole 41. The through hole 46 extends vertically through the transverse groove 45.

By analogy with the foregoing, the slider 50 shown in FIG. 8 has an oval hole 51 in which a viscous-fluid braking means 70 ″ with gear gear 71 ″ is placed. In addition, it contains a pair of branches 52, 53 defining a cavity 54 in communication with the transverse groove 55, and has a through hole 56, the diameter of which in the area at the branch 52 is preferably smaller than in the area of its initial section.

The ends 47a and 57a of the rods 47 and 57 are preferably inserted into the through holes 46, 56 of the slider 40 and the slider 50, respectively, thereby attaching the hooks 48 and 58 to the sliders 40 and 50.

When the sliders 40 and 50 are installed in the cavity 22 of the module 20, the hooks 48 and 58 are outside and have the ability to collide with the fingers 80 of the stopper, regulating their action. An annular protrusion 48a, 58a is attached to the hooks 48, 58, acting as an element separating them from the respective sliders 40, 50, as well as an element guiding along the lower open groove 24 of the module 20. The hooks 48, 58 contain an approximately cylindrical sleeve 48a, 58a a mold having an axial hole and a through hole parallel to it 48b, 58b, as well as a bend of 48 s, 58 s, located opposite the fork seat 48d, 58d (shown in Figs. 7, 8 and 10).

The action details of the hooks 48, 58 are illustrated with reference to FIGS. 7, 8 and 10. Their more detailed description is given below.

The above-mentioned cavities 44 and 54 of the sliders 40 and 50 are designed to accommodate the ends of the elastic traction means 60, which connects both sliders 40 and 50, counteracting the inhibitory effect of the two braking means 70 'and 70 ". This is clearly shown in FIGS. 5 and 9 illustrating the execution of the specified elastic means 60 in the form of a double concentric helical spring 61, 64 of a substantially elastic material, as a result of which the required tensile force is not excessively inhomogeneous, since it is the sum of two reactions d that are weak or at least not to exceed the braking action of means 70 'and 70 ".

The outer spring 61 has looped ends 62 and 63, while the inner spring 64 has looped ends 65 and 66. The second loop 65 of the inner spring 64 is preferably located coaxially with the inside of the first loop 62 of the outer spring 61, while the first loop 66 of the inner spring 64 located inside the second loop 63 of the outer spring 61, coaxial with it, or vice versa. After placing one pair of spring loops 63, 66 in the groove 45 of the slider 40, and another pair of spring loops 62, 65 of the traction springs 61, 64 in the groove 55 of the other slider 50, you can enter the rods 47 and 57 into the holes 46 and 56 to secure the loops 62 , 63, 65, 66 in the respective grooves 45, 55. The rods 47 and 57 are inserted into the holes 46 and 56 after installing the hooks 48 and 58 essentially from the bottom side of the outdoor module 20 to provide an elastic connection between the sliders 40 and 50 inside the cavity 22 module 20, allowing their minimum and maximum traction (illustrated in figure 5 and 9). Hooks 48 and 58 have the ability to rotate in a plane perpendicular to the rods 47 and 57.

Naturally, before connecting the two sliders 40 and 50 with the elastic means 60, the braking means 70 'is placed in the hole 41 of the slider 40, and the other braking means 70 "in the other hole, i.e. the oval hole 51 of the slider 50.

The cover 30 is mounted on the profile base 21 of the module, already equipped with sliders 40 and 50 and the other parts described above. It allows engagement of the teeth of the bushings, made in the form of gears 71 'and 71 "braking means 70' and 70", with the teeth of the rack 36, which is part of a substantially horizontal bar or flange 35.

By acting on the hook 48, the slider 40 can be pulled toward the left edge of the cavity 22, disengaging the gear gear 71 'from the rack 36 and pulling the slider 50 until it hits the stop 28. The elastic means 60 is not substantially loaded. With further manual pulling of the slider 40 to the left side edge of the module 20, it shifts to overcome the tension force of the springs 61, 64, which upon the cessation of the pulling force exert the opposite effect and tend to shift the slider 40 to the center of the cavity 22, overcoming the resistance of the braking means 70 ', which weaken the action elastic means 60. By analogy with the above, elastic means 60 slows down the slider 50 after it is pulled to the right edge of the cavity 22.

The module 20, assembled essentially from the above components, is attached to the door 3, for example, using holders 1 and 9 (shown in figure 4). It moves along the rail 6 until one of the hooks 48 or 58 comes across one of the stoppers 80-80 ', placed at the beginning and end of the travel section of the door 3 to open or close the cavity 8 and thereby determine the beginning or end of the site braking of this move.

From the above it follows that at the stage of attaching the brake device 20 to the door 3, the engagement with the corresponding stopper 80 and 80 'is not automatic, since the stretching of the elastic means 60, even exceeding its limits, does not allow the hooks to hit the specified stoppers 80 and 80 '.

To eliminate this problem and ensure the most reliable operation of the proposed device, a first safety hook 90 is attached to one of the sliders 40, and a second safety hook 100 is attached to the second slider 50.

In accordance with Fig.7, the hook 90 is pivotally attached by the rod 91 to the hole 48b of the hook 48 and has a bend 90a with an outer sliding part or a lift 90b. In the socket 90 with the safety hook 90, another rod 92 is installed, the opposite end 92a of which can slide along the slot 93a made in the lower part of the guide block 93 and is wrapped with an elastic spiral 94, the shoulder 94a of which meets the cylindrical part 90a of the safety hook 90. Rod 91 essentially passes through the cylindrical part 90d of the safety hook 90. The rods 91, 92 extend vertically and their axes are parallel to each other at a certain distance.

Similarly, and in accordance with FIG. 8, another safety hook 100 is pivotally attached by a rod 101 to the hole 58b of another hook 58 and has a bend 100a with an outer sliding part or a lift 100b, while another rod 102 having an opposite end 92a that can move sliding along the slot 103a on the lower part of the guide block 103, is mounted in the socket 100c of the safety hook 100 and is wrapped with an elastic spiral 104, the shoulder 104a of which collides with the cylindrical part 100d of the safety hook 100.

These safety hooks 90 and 100 are slidably driven together with their guide blocks 93, 103 and together with conventional hooks 48, 58 along the lower groove 24 of module 20, as shown in FIG. 10.

The same figure 10 shows that when translating the module 20, accompanying the translation of the door 3, to which it is inherently attached (for example, by means of the holder 1), the hooks 48 and 58 are released from the fixed stops 80, 80 ', they are rotated by the rods 47, 57 with their introduction into the seats 48d, 58d and are placed in the side slots 25 and 26 at the ends of the lower open groove 24 of the module 20.

When the hooks 48, 58 are located in the respective respective slots 25, 26, the elastic means 60 is in the dressed up state, but cannot unlock the hooks 45, 58 until they turn on the rods 47, 57, due to a new collision of the seats 48d, 58d forks with a stopper of 80 or 80 'along the path of manual advancement of the moving door 3.

When the hook 48 or 58 is released from the blocking position in the recesses 25, 26 of the groove 24, the elastic means 60 reacts and seeks to return the corresponding slider 40 or 50 to the center of the cavity 22, as long as it does not collide with the stopper 28 of the module 20. Provided for the sliders 40 and 50, the braking means 70 'and 70 "resist this reaction of the elastic means 60. Thus, in accordance with the main task, by means of a single device, which is a module 20, the necessary braking of the end of the door 3 both when opening and closing the cavity 8.

The bends 48c and 58c of the hooks 48 and 58 allow a second simultaneous or sequential locking of the hooks 48, 58 at their maximum open position (shown in Fig.9). In fact, during the rotation of the hooks 48, 58, which is created by their forks 48d, 58d, passing to the fixed stoppers 80, 80 ', simultaneously with their placement in the slots 25, 26 of the module 20, their bends 48c, 58c also engage with the ends of the small side the walls 33 of the cover 30, while their release is ensured by the rotation of the hooks 48, 58, due to the subsequent engagement of their fork seats 48d, 58d on the fixed stops 80, 80 '.

As mentioned above, during the initial installation or when the door 3 is forcedly displaced, the forks 48d, 58d do not engage with one or both of the fixed stops 80, 80 ', this caused the safety hooks 90 and 100 mentioned above to be created.

During the transfer of the door 3 to the ends of the opening and closing sections of the cavity 8, the inclined or raised ends, formed respectively by the hoists 90b and 100b of the safety hooks 90-100, hit the stoppers 80, 80 'and rise, rotating on the rods 90d, 100d, moreover, their rotation is regulated by pins formed by other rods 92, 102 of the safety hooks 90, 100 extending inside the grooves or sockets 93a, 103a of the respective guide blocks 93, 103 (shown in FIG. 10).

This rotation is also regulated by the springs 94, 104, as a result of which, overcoming the obstacles of the fixed stops 80, 80 ', these springs cause the safety hooks 90, 100 to lower with the placement of these stops 80, 80' within the respective bends 90a, 100a and pulling them together with the sliders 40, 50 and with the corresponding hooks 48, 58 along the lower groove 24 until the hooks 48, 58 collide with the new stopper 80, 80 'with which they engage to ensure the normal start of the braking step, already illustrated above.

After the description of the main parts that make up the proposed new device for braking the end of the door 3 stroke when opening and closing the cavity 8, as well as additional details with which this device can be connected, the device’s operation is described below, in particular with reference to FIG. 11- 16, on which rails 6, 6 ′ and other details are not shown to simplify the graphic image, since they can be detected in FIGS. 3 and 4.

11 and 12 illustrate the position and condition of the module 20 attached to the door 3, when the door 3 is located in the normal closing position on the cavity 8, while the door 3 'is in the normal closed position on the cavity 8'. In this closing position, the first hook 48 is locked with a stopper 80, which causes the stability of this state, while the second hook 58 is placed and locked in the cavity formed by the cut out side slot 26 of the lower groove 24, while the elastic means 60 exerts minimal pulling force on the hook 48. With the beginning of manual advancement of the door 3 to open the cavity 8, the module 20 moves along with the door 3, to which it is attached by the holders 1 and 9, with a corresponding increase in the thrust of the elastic means 60 on the first slider 40 and on its hook 48, while the inhibitory effect of the means 70 ', which is included in this slider 40, weakens this movement and delays the detachment of the slider 40 from the stopper 80.

The high elasticity of the springs 61 and 64, the total effect of which allows a uniform distribution of the reaction to the manual advancement of the door 3, refers to the predetermined braking force of the braking means 70 'and 70 ", which determines the proper longitudinal position of the stoppers 80 and 80' along the rails 6 of the driven rollers 4 and 5 to translate the door 3. Stoppers 80, 80 'are located on the rails of the stoppers, parallel to the rails 6, 6' on the upper side of the base plate 12.

11-13 and 15 show the stoppers 80, 80 'together with the stoppers 81, 81'. It should be understood that they are located on both sides of the rail 6 'to translate the door 3' with braking, which is supported by different holders 1 ', 2' and has another identical module 20 ', which is not necessary to depict.

While continuing to manually shift the door 3, as well as the inhibitory action of the means 70 'of the first slider 40, the hook 48 remains engaged with the stopper 80 until the advancement of the module 20 introduces the cavity formed by the corresponding side socket 25 into alignment along the line with the specified a hook 48, which, while remaining enclosed and rotating on the shaft 47, is released from said stopper 80. In this case, the initial braking action on the opening door 3 is stopped, while the manual action continues until it is fully open the cavity 8, while the hook 48 is placed in the cavity formed by the first side socket 25, the other hook is placed in the opposite cavity formed by the other side socket 26 of the lower groove 24, and the elastic means 60 experiences constant tension (shown in Figs. 10, 13 and fourteen).

Figures 15 and 16 show that, while continuing to act in the opening direction of the door 3 and its brake module 20, another hook 58 bumps into another stopper 80 'and fits into the seat 58d, rising from the recess or cavity 26, and starts the final braking step, as the door approaches the full opening position of the cavity 8.

In fact, the braking means 70 ", made in one piece with the slider 50 and the second hook 58, restrains the action of the elastic means 60 and any residual action of the manual traction on the door 3, slowing down and adjusting the end of its stroke, until the stopper 80 'is not bump into the first hook 48 and remain inside the seat 48d to ensure a steady state of the full opening of the cavity 8. Naturally, again when closing the cavity 8, it is enough to pull the door 3 to disconnect the first hook 48 from the other stopper 80 ', the reverse steps described until still, in order to allow the desired effect of inhibition when closing the same cavity 8.

From the foregoing, it follows with obviousness that by means of a single braking device, the movement of the door can be controlled both when opening and closing the cavity in accordance with the proposed main purpose.

The coupling of the two coil springs 61 and 64 of high elasticity provides a uniform response of the elastic means 60 to the action of the braking means 70 'and 70 "without the use of modules that are excessive in length or contain locking devices that distribute their forces, which is consistent with other special purposes.

The brake module 20, complete with its mounting hardware described above, can be attached to one of the holders 1, 2 of each type, which must be attached to the door 3 to ensure sliding, or it can be attached to any type of holder, or to any of its own holders 9, which make it essentially universal, providing the possibility of use with any sliding doors, which is consistent with other special purposes.

In addition, the brake module 20 eliminates all the problems associated with unscheduled or scheduled maintenance due to the use of piston braking, which is consistent with other specific purposes.

Naturally, this constructive solution, described above with illustrative purposes, can also be performed in other structural forms, for example, with the possibility of binding to three or four doors, respectively, passing on rails 6, 6 'and equipped with additional stops 80, 81, suitable installed on the upper surface 7 or on the base plate 12. In addition, the improved device 20 can be applied to a group of doors or movable partitions, also with the possibility of use as a single product, providing braking of the end of the opening and closing stroke of each movable door or partition.

It should be noted that it is possible to replace a pair of coil springs 61, 64 with another elastic means 60 capable of affecting the uniformity or invariance of the reaction to the inhibitory effect of the braking means 70 'and 70 ". It is also possible to invert the layout of module 20 by adjusting the position of the stoppers 80 , 80 'and 81, 81'.

As already mentioned, it is also possible to provide locking of the hooks 48 and 58 by acting only on the side slots 25 and niches 26 of the lower open groove 24. Moreover, it is possible to provide this locking by simply engaging the bends 48c, 58c at the ends of the small side wall 33 of the cover 30 , or the corresponding wall of the base of module 21. Stoppers 80, 80 'and / or 81, 81' can be arranged differently on the upper surface 7 of the cavity 8, 8 'to ensure opening and closing.

It should be understood that these and other similar changes or modifications fall within the scope of legal protection of this utility model.

Claims (14)

1. A brake device for opening and closing sliding doors (3), in particular sliding doors (3) of furniture, attached as a single unit to each door (3) or sliding partition with the possibility of its braking at the end of the stroke when opening and closing, characterized in that it essentially consists of a brake module (20), attached by means of its own holders (9), or even mounted on holders (1, 2) that support and slide a separate door (3), moreover, this module (20) equipped with two prot rotational type of retarding braking means (70 ', 70' '), the gear sleeve of which is directly engaged with the gear rack (36) available in the module (20), and each braking means (70', 70 '') is connected to its own a slider (40 or 50) guided by the module (20) and attached to one end of the elastic means (60), the opposite end of which is connected to the other slider (50 or 40), both sliders equipped with a hook (48, 58), which ensures activation and deactivation of the corresponding action at the final stop the movement being called. 2. The device according to claim 1, characterized in that the brake module (20) contains a structured base (21), which has a longitudinal lower groove (24) on its lower side and one side of which is preferably closed by a flange or a guide wall (31) of the cover (30), and said lower groove (24) provides communication between the internal brake part of the module (20) and the external activating part for engaging and disengaging the opposed stops (80, 80 'and / or 81, 81') rails (6, 6 ') for moving one or more Doors (3, 3 '). 3. The device according to claim 2, characterized in that the structured module or base (21) has a longitudinal cavity (22), which holds a pair of sliders (40, 50) and directs them during longitudinal movement using a cover (30) that limits this longitudinal cavity (22). 4. The device according to claims 2 and 3, characterized in that each slider (40, 50) contains braking means (70 ', 70' ') of a rotary viscous-liquid type, gears (71', 71 '') of which are included in the direct meshing with a gear rack (36) extending in the longitudinal direction of the module (20). 5. The device according to claim 4, characterized in that the gear rack (36) is made in one piece with the cover (30). 6. The device according to claim 4, characterized in that the sliders (40, 50) are connected to each other by elastic means (60) acting as a result of tension and used to bring these sliders together (40, 50) to overcome the braking force created by them means (70 ', 70``). 7. The device according to claim 6, characterized in that the elastic means (60) is a double helical traction spring (61, 64), made essentially of an elastic material, one of the springs (61) provided with end hooks or loops (62 , 63), and the other spring, which is inherently attached and coaxial spring (64), is equipped with end hooks or loops (65, 66) that can be attached to two sliders (40, 50). 8. The device according to claim 7, characterized in that the lower groove (24) of the structured base (21) of the module has a pair of side recesses (25) and / or sockets (26) made at its two ends. 9. The device according to claim 7, characterized in that the cover (30) has a small side wall or flange (33), the length of which is slightly less than the length of the lower groove (24) of the structured base (21) of the module. 10. The device according to claim 9, characterized in that the sliders (40, 50) are connected to the corresponding hooks (48-58), which are located outside the module (20) and can activate the traction action of the elastic means (60), as well as the braking effect braking means (70 ', 70' '), due to the contact of these hooks (48, 58) with stoppers (80, 80' and / or 81, 81 ') installed in appropriate places near the rails (6, 6'), providing sliding or moving doors (3, 3 '). 11. The device according to claim 10, characterized in that after external or manual opening or closing of said door (3, 3 '), the hooks (48, 58) can fit into the corresponding recesses or sockets (25, 26) of the lower groove (24) staying there in a state of engagement until they come into contact with the stoppers (80, 80 'and / or 81, 81'), which, acting on their contact seats (48d, 58d), cause them to rotate on the shaft (47, 57) and release them from the recess or nest (25, 26) together with the corresponding sliders (40, 50), creating the required braking during the elastic medium tension reaction properties (60) and the braking element of the braking means (70 ', 70' '). 12. The device according to claim 10, characterized in that after external or manual opening or closing of the door (3, 3 '), the bends (48c, 58c) of the hooks (48-58) can mesh with the ends of a small side wall (33) covers (30) and can remain in this engagement until they come into contact with stoppers (80, 80 'and / or 81, 81'), which, acting on their contact seats (48d, 58d), cause them to rotate on the rod ( 47, 57), releasing these bends (48c, 58c) from engagement with the ends of the small side wall (33) together with the corresponding slider (40, 50), creating the required braking during the tension reaction of the elastic means (60) and the braking element (70 ', 70' ') of the corresponding means. 13. The device according to claim 12, characterized in that a safety hook (90) is attached to the hook (48), and a safety hook (100) is also attached to the other hook (58), the safety hooks (90, 100) having a hook-like wall (90a, 100a) adjacent to the inclined wall (90b, 100b), which may engage with the stoppers (80, 80 'and / or 81, 81') at the initial stage of attachment of the device (20), or at subsequent stages, when it reattaches to the sliding doors (3, 3 '). 14. The device according to item 13, wherein the brake module (20) can be attached at any position of the upper side of the door (3, 3 '), as well as in the opposite position with respect to the mentioned solution, by adjusting the position of the stoppers (80 , 80 'and / or 81, 81').