EP2951374B1 - Running part for guiding a furniture part in a guiding direction via a guiding rail, and furniture fitting - Google Patents

Description

The invention relates to a running part for guiding a furniture part in a guide direction via a guide rail, a furniture fitting with the running part and a piece of furniture with the furniture fitting.

From the DE 43 30 152 A1 is a piece of furniture in the form of a sliding partition with trained at the bottom Holmen known. The spars are followed by hooks which engage in an elastically mounted guide piece with sliding grooves. Due to the elastic mounting of the guide piece, the engagement between the hook and the slide grooves can be achieved by lifting the guide piece.

From the DE 202 16 481 U1 is known a sliding door, which is guided over two running parts in two guide rails of a piece of furniture. In this case, a first of the two running parts is resiliently mounted on the furniture part, while the second running part is mounted adjustable in its position to the furniture part. If the second running part is adjusted in its position to the furniture part, the first running part adapts automatically by its resilient mounting in its position to the furniture part.

From the US 58 453 63 A a furniture part in the form of a sliding door is known, which is guided over a running part on a guide rail. The running part is spring-mounted on the furniture part. The springs act against a load acting on the running part by the furniture part and reliably press the running part to the guide rail even if the load is too small. In this way, a derailment of the running part of the guide rail is effectively avoided.

The DE 20 2009 004 790 U1 discloses a guide fitting for a sliding door, in which in a guide part housing a biased by a spring sliding element is slidably mounted. The sliding element can be latched against the force of the spring in a disassembled position on a latching element of the guide part housing. By the spring, the slider is biased in the engaged position.

The US 4,805,262 discloses a running part for a sliding door in which a roller is slidable on a holder along a cam guide on a housing. The holder is for this purpose connected to an adjusting mechanism by means of which the holder is displaceable along the cam guide in order to engage with a rail.

It is an object of the invention to improve the known furniture or furniture parts and to simplify the installation.

The object is solved by the features of the independent claims. Preferred embodiments are subject of the dependent claims.

According to one aspect of the invention, a running part for guiding a furniture part in a guide direction via a guide rail has a holder connectable to the furniture part to be guided and a bracket slidably held on the holder at an angle to the guide direction between a guide position and a mounting position Guide rail is guided. The running parts on a furniture part should ensure a reliable guidance of the furniture part on the guide rails.

The holder can be attached to the furniture part before being inserted into the corresponding guide rail together with the other running part first. After the other running part is inserted into its guide rail, the bolt of the specified running part can be pushed into its mounting position, in which it is possible to pivot the sliding door and then insert the latch in a groove on the guide rail. The preassembled bolt can be felt by the fitter during assembly of the furniture part, which is why he does not have to be arranged in the field of view of the fitter during assembly.

Within the scope of the stated running part, an angular, preferably right-angled displacement relative to the guide direction can comprise any desired curve, such as a straight-line curve or a circular curve.

The running part in this case comprises a restoring element via which the bolt on the holder is biased into a guiding position. In this way, the guide position is specified as the default position for the bolt. The bolt must then be transferred by the fitter only briefly during assembly from its leadership position to the mounting position and moves back to the assembly after the installer releases him, automatically back to the locked position.

The running part further comprises a blocking element by means of which a displacement of the bolt from the guiding position can be blocked. As a result, accidental disassembly is avoided and even in case of failure of the return element prevents the bolt moves from the guide position to the mounting position.

The blocking element can act in principle based on any connection principle, such as a traction or a material bond. However, the blocking element particularly preferably comprises a first positive locking element on the bolt and a second positive locking element complementary to the first positive locking element on the holder, which are designed to block the displacement of the bolt against the locking position via a positive connection. Here, the arranged on the holder form-locking element preferably formed with a special geometry to ensure an even better fit. The positive connection can be opened at any time and closed again, allowing the furniture part can be removed from the guide rails, for example, in a simple manner, if it is to be maintained, for example.

In a preferred embodiment of the stated running part, the first and / or second form-locking element is mounted at an angle to the direction of displacement of the bolt movable, preferably at right angles, whereby the arbitrary opening and closing of the positive connection is implemented in a particularly simple manner.

In one embodiment of the specified running part form fit acts both in the guide direction and in the direction of the locking position. In this way, the blocking element counteracts not only a movement of the bolt against the locking position but also a movement of the blocking element itself. This movement of the blocking element could be caused by forces in the guiding direction on the blocking element, such as the above-mentioned vibrations when the furniture part in the form of a sliding door to a limit. This prevented movement of the blocking element effectively eliminates the bolt.

In yet another embodiment of the stated running part, the first and second positive locking element are formed as latching elements. As a result, the blocking element can be operated without tools.

In an additional embodiment, the stated running part comprises a guide element for guiding the bolt in a direction of displacement of the bolt in a contact area with the guide rail.

In accordance with a further aspect of the invention, a furniture fitting, in particular for a sliding door, is provided, in which a base body is guided between a first guide rail and a second guide rail, wherein a first running part connected to the base body for guiding the base body to the first guide rail, and a distance from the first running part fixed to the base body second running part for guiding the base body to the second guide rail, are provided.

In another embodiment, the specified furniture part comprises a limiting element arranged on the first guide rail for limiting a movement of the first running part in the guide direction, thereby ensuring that the furniture part can not move out of the guide by the guide rails. The limiting element may be designed to reduce vibrations in the guide direction at least partially deformable, preferably elastically deformable.

According to a further aspect of the invention, a piece of furniture comprises a movable furniture part which is movably mounted via a furniture fitting according to the invention.

Fig. 1

eine perspektivische Ansicht eines Möbels mit einer Schiebetür,

Fig. 2

eine perspektivische Teilansicht der Schiebetür aus Fig. 1 mit einem ersten Laufteil,

Fig. 3

eine Explosionsansicht des ersten Laufteils aus Fig. 2,

Fig. 4

eine perspektivische Teilansicht des ersten Laufteils aus Fig. 2,

Fig. 5

eine perspektivische Ansicht eines Begrenzungselements,

Fig. 6

eine weitere perspektivische Teilansicht der Schiebetür aus Fig. 1 mit einem zweiten Laufteil,

Fig. 7

eine Explosionsansicht des zweiten Laufteils aus Fig. 6,

Fig. 8

eine perspektivische Ansicht einer alternativen Schiebetür, auf die das zweite Laufteil aus Fig. 6 aufsetzbar ist,

Fig. 9

perspektivische Teilansichten eines Blockierelements in dem zweiten Laufteil aus Fig. 6, und

Fig. 10

eine perspektivische Teilansicht eines Teils des Blockierelements aus Fig. 9 zeigen.

The above-described characteristics, features and advantages of this invention will become more apparent in connection with the following description of the embodiments, wherein:

Fig. 1

a perspective view of a piece of furniture with a sliding door,

Fig. 2

a partial perspective view of the sliding door Fig. 1 with a first running part,

Fig. 3

an exploded view of the first running part Fig. 2 .

Fig. 4

a partial perspective view of the first running part Fig. 2 .

Fig. 5

a perspective view of a limiting element,

Fig. 6

another partial perspective view of the sliding door Fig. 1 with a second running part,

Fig. 7

an exploded view of the second running part Fig. 6 .

Fig. 8

a perspective view of an alternative sliding door, on which the second running part Fig. 6 can be placed

Fig. 9

partial perspective views of a blocking element in the second running part Fig. 6 , and

Fig. 10

a partial perspective view of a portion of the blocking element Fig. 9 demonstrate.

In Fig. 1 is a perspective view of a piece of furniture 2 with a sliding door 4 shown as a movable furniture part. The furniture 2 is designed as a cabinet, but could be designed as any other furniture. The furniture 2 has an open to a front furniture body 6. In the area of the front opening, a lower guide rail 8 is arranged on an underside of the furniture body 6, while an upper guide rail 10 is arranged on the upper side of the furniture 2. Between these two guide rails 8, 10, the sliding door 4 via at least one in Fig. 2 shown lower barrel part 12 and a in Fig. 6 shown upper run part 14 is guided guided in a guide direction 16.

The Fig. 2 shows a partial perspective view of the sliding door 4 Fig. 1 with the lower running part 12. The lower guide rail 8 is fixed with screws 18 on the furniture body 6.

The lower running part 12 has a mounting bracket 20 which is fixed to a door body 21 of the sliding door 4 via screws 18. On the mounting bracket 20, a support member 24 is slidably held in a direction of displacement 22 perpendicular to the guide direction 16, at one end of which a lower roller 26 attached to the lower guide rail 8 is rotatably supported. When the sliding door 4 is moved in the guide direction 16, the lower roller 26 rolls over the lower guide rail 8.

The support member 24 is adjustable relative to the mounting bracket 20 in height, for which purpose an adjusting screw 28 is screwed into an insertion opening 30 in the mounting bracket 20, as is apparent from FIG. 3 evident.

The mounting bracket 20 comprises on a base plate 34 three pins 36, each with a passage opening through which the in Fig. 2 shown screws 18 can be introduced. The pins 36 engage in slots 44 on the support member 24 to slidably support the support member 24 in the vertical displacement direction 22 to the mounting bracket 20.

At the considered in the direction of displacement 22 upper end of the mounting bracket 20, a holding element 38 is formed, through which the adjusting screw 28 can be screwed.

The support element 24 is formed in the present embodiment from a sheet metal part 40, the edge region is partially reinforced with a bead 42. In the sheet metal part 40 slots 44 are formed. At the upper end of the sheet-metal part 40 considered in the displacement direction 22, an abutment element 46 is formed on which the adjusting screw 28 rests in order to adjust the relative position between the mounting holder 20 and the support element 24. In the sheet metal part 40, an opening 48 is further formed, in which an axle 50 is used for supporting the lower roller 26. The lower roller 26 has a diameter 52.

Finally, on the viewed in the displacement direction 22 lower side of the support member 24, a guide plate 54 is provided, on which a protective cap 56 is placed.

It will open Fig. 4 Reference is made, which is a partial perspective view of the first running part 12 from Fig. 2 on the lower guide rail 8 shows.

The lower guide rail 8 has a guide slot 58, which opens to a rail interior 60. For better representation of the rail interior 60, the lower guide rail 8 in Fig. 4 partially broken. At the end of the guide rail 8 viewed in the guide direction 16, the rail interior 60 is closed by a limiting element 62 which forms a stop for the first running part 12.

In the rail interior 60 engages over the guide slot 58 in a manner not shown covered with the cap 56 guide plate 54 of the support member 24 and is guided therein as a plain bearing. In the guide slot 58, a trained on the outer circumference of the lower roller 26 annular projection 64 is inserted and guided.

This in FIG. 5 shown limiting element 62 has a mounting portion 66 and a stopper portion 68. At the attachment portion 66, the limiting element 62 is fixed in the rail interior 60 by means of screws 70. The stopper portion 68 is elastically supported to a slight extent on the attachment portion 66 via an elastic portion 72.

The stopper portion 68 has a receiving channel 74 extending in the guide direction 16, in which the guide plate covered with the protective cap 56 54 can be recorded. This receiving channel 74 has a taper 76 transversely to the guide direction 16 in order to lock the covered with the protective cap 56 guide plate 54 in a closed position.

In Fig. 6 the upper guide rail 10 is shown, which is arranged fixed to the furniture body 6. The upper guide rail 10 has openings 77 for screws 18 for fixing to the furniture body 6.

The upper running part 14 has a holder 78, which is fastened to the door body 21 of the sliding door 4 via three screws 18. On the holder 78 of the upper running part 14, a bolt 80 is slidably held in a vertical displacement direction 22, at one end of which an upper roller 82 mounted on the upper guide rail 10 is rotatably supported so that the upper roller 82 rolls over the upper guide rail 10 when the sliding door 4 moves in the guide direction 16.

In order to make and maintain contact of the upper roller 82 with the upper guide rail 10, a blocking element 84 is provided in the present embodiment which can releasably block relative movement between the latch 80 of the upper track 14 and the holder 78 of the upper track 14. The bolt 80 of the upper running part 14 can be displaced in the displacement direction 22 until the upper roller 82 contacts the upper guide rail 10. In this condition, relative movement between the latch 80 of the upper track member 14 and the retainer 78 of the upper track member 14 may be blocked by the blocking member 84.

It will open Fig. 7 Reference is made, which is an exploded view of the second running part 14 from Fig. 6 shows.

The holder 78 of the upper running part 14 comprises on a base plate 85 three pins 87, each with a passage opening through which screws 18 can be inserted. The tips of the pins 87 can be placed on the door body 21, so that the pins 87 define a gap between the base plate 85 and the door body 21.

The bolt 80 of the upper running part 14 is formed analogously to the support element 24 of the lower running part 12 of a sheet metal part 89, the edge region is again reinforced in regions with a bead 91. Analogous to the support member 24 of the lower running part 12 are in the sheet metal part 89 of the upper running part 14 Langlöeher 93, in which the pins 87 of the holder 78 of the upper running part 14 are used so as to mount the bolt 80 of the upper running part 14 in the displacement direction 22 displaceable to the holder 78 of the upper running part 14.

For storage of the upper roller 82, an opening 95 is provided by the sheet metal part 89 of the upper running part 14 analogous to the sheet metal part 40 of the lower running part 12, in which an axle 50 is used for supporting the upper roller 82.

Viewed in the direction of displacement 22, on the upper side of the sheet metal part 89 of the upper running part 14, a guide plate 97 is formed analogous to the sheet metal part 40 of the lower running part 12 in the present embodiment, which can be inserted into a guide slot 58 on the upper guide rail 10. The in Fig. 4 shown features of the lower guide rail 8 are transmitted alternatively or additionally to the upper guide rail 10.

The blocking element 84 on the holder 78 of the upper running part 14 is according to FIG. 7 rotatably mounted on a pivot bearing 88 of the holder 78. On the pivot bearing 88, a spring element 92 is arranged on one side in order to use a pin 94 in the pivot bearing 88 and a pin 94 can also be used on the opposite side of the blocking element 84 in a pivot bearing on the holder 78. Furthermore, the blocking element 84 comprises a turning handle 96, on which the blocking element 84 can be held to rotate. Finally, the blocking element 84 comprises rib-shaped engaging elements 98 which can engage with ribs 100 on the sheet metal part 89 to prevent movement of the bolt 80 of the upper running part 14 relative to the holder 78 of the upper running part 14 against the displacement direction 22. In this case, the ribs 100 are preferably formed with an angle of attack 128, which is in particular FIG. 9d clearly shows. This ensures that when the rotary handle 96 is pivoted into the closed position, the tightening torque is continuously increased, and a maximum positive locking between the ribs 100 and the engagement elements 98 is achieved during complete pivoting. Furthermore, the ribs 100 and the engagement elements 98 have a special sawtooth shape, which mesh with each other during combing and can absorb particularly high forces, especially in the event of overloading.

For mechanical support of this positive connection can be viewed in the direction of displacement 22 before the rotary handle 96 on the latch 80 a nose 101 may be formed in a position of the blocking element 84 in which the positive connection is closed, can be placed on the knob 96 as a stop to the previously mentioned movement of the bolt 80 against the holder 78 against the displacement direction 22 in addition to prevent. At the same time the nose 101 has the function of a height stop for the bolt 80 when moving the holder 78 and as an emergency element, if the blocking element 84 fails in case of breakage.

To support the pressing of the upper roller 82 to the upper guide rail 10, the upper running part 14 further comprises a counter to the displacement direction 22 biased spring 102, which is formed as a spiral spring. The spring 102 can be mounted furniture fitting side in a corresponding spring retainer 104 and counterposed to a corresponding abutment 106 to bias the sheet metal part 89 with the roller 82 during assembly against the guide rail 10. The bolt 80 of the upper running part 14 can be moved against the direction of the bias of the spring 102 via a handle portion 108.

It will open Fig. 8 Reference is made, which shows a perspective view of an alternative sliding door 4, which instead of a plate-shaped wood material has an aluminum frame with a filling element on which the second running part 14 is mounted.

A door body 21 has an outer frame into which a filling element, for example of glass, is inserted. Corner connectors 112 are inserted into the frame strips 114 in the corners of the door body 21. The attachment between the corner connectors 112 and the frame strips 114 can be made via mounting holes 116 into which the screws 18 can be screwed.

On one of the frame strips 114, a mounting hole 118 is formed in the present embodiment, via which with a further screw 18 on this frame strip 114, a guide member 120 can be attached. In a guide gap (not shown) between the guide member 120 and the frame strip 114 can then be guided over a guide projection 123 on the sheet metal part 89 of the bolt 80 of the upper running part 14 in the region of the upper roller 82 of the bolt 80 of the upper running part 14.

In the Fig. 9a to 9d Partial views of the blocking element 84 on the upper running part 14 Fig. 6 shown, which show the installation of the sliding door 4 on the furniture body 6.

Prior to installation, the lower and upper runners 12, 14 in the in Fig. 2 and 6 shown manner according to the bottom and the top of the door body 21 attached.

Following this, the lower running part 12 fastened to the door body 21 can be inserted with its guide plate 54 into the guide slot 58 of the lower guide rail 8, so that the sliding door 4 can be guided guided in the lower guide rail 8.

At the upper running part 14, the blocking element 84, as in FIG Fig. 9a shown, opened and the positive connection between the locking member-side engaging elements 98 and arranged on the bolt 80 ribs 100 are solved.

In the in Fig. 9a In the position shown, the bolt 80 of the upper running part 14 is in an upper position, in which the upper edge of the guide plate 97 of the upper running part 14 seen in the displacement direction 22 is higher than the lower edge of the upper guide rail 10. Thus, the guide plate 97 can not be inserted into the guide slot 58 of the upper guide rail 10.

However, this is in an in Fig. 9b shown position of the bolt 80 of the upper running part 14 relative to the holder 78 of the upper running part 14 possible, which will be referred to below as a mounting position. In the mounting position, the latch 80 has been moved down against the force of the spring 102 so that a distance 124 between the latch 80 and the sheet metal part 89 has been changed to a greater distance 126. In the assembly position, the guide plate 97 of the upper running part 14 now lies in the direction of displacement 22 below the guide slot 58 of the upper guide rail 10 and can therefore be arranged in the direction of displacement 22 by pivoting the sliding door 4 to the lower guide rail 8 below the upper guide rail 10. The latch 80 can be pulled by pulling on the handle portion 108 in this mounting position, for example.

After the guide plate 97 of the upper running part 14 is disposed below the guide slot 58 of the upper guide rail 10, the bolt 80 of the upper running part 14 can be pushed by the spring 102 in the displacement direction 22 and thus the guide plate 97 of the upper running part 14 in the guide slot 58 of the upper Guide rail 10 are introduced. In this way, the sliding door is seen at an angle to the guide direction 16 in the guide rails 8, 10 locked and can not fall out of these.

Subsequently, the blocking element 84 can be closed until the rotary handle 96 abuts circumferentially against the nose 101. In this way, the positive connection between the engagement elements 98 and arranged on the bolt 80 ribs 100 is partially closed. Thereby, the latch 80 can be secured in the locked position.

In Fig. 10 For example, the engagement members 98 and the ribs 100 are shown in detail which engage upon rotation of the blocking member 84 and thus prevent movement of the sheet metal member 40 relative to the latch 80.

In a particularly advantageous manner, the adjusting screw 28 can be used for height adjustment of the sliding door 4. For this purpose, the blocking element 84 is first released on the upper travel part 14 by pivoting the rotary handle 96. Subsequently, a desired height adjustment of the sliding door 4 can be made by means of the adjusting screw 28 on the lower part 12 of the running. At the same time, the upper running part 14 automatically sets itself automatically before the blocking element 84 is moved back into the locking position.

LIST OF REFERENCE NUMBERS

2

Furniture

4

sliding door

6

furniture body

8th

guide rail

10

guide rail

12

running part

14

running part

16

guide direction

18

screw

20

mounting bracket

21

door body

22

shift direction

24

support element

26

role

28

adjusting screw

30

insertion opening

34

baseplate

36

spigot

38

retaining element

40

sheet metal part

42

bead

44

Long hole

46

Abutment member

48

opening

50

axis

54

guide plate

56

protective cap

58

guide slot

60

Rail interior

62

limiting element

64

head Start

66

attachment section

68

stop section

70

screw

72

Elastic section

74

receiving channel

76

rejuvenation

77

opening

78

holder

80

bars

82

role

84

blocking element

85

baseplate

87

spigot

88

pivot bearing

89

sheet metal part

91

bead

92

spring element

93

Long hole

94

spigot

95

opening

96

rotary handle

97

guide plate

98

engaging member

100

rib

101

nose

102

feather

104

spring suspension

106

thrust bearing

108

handle portion

112

Corner connector

114

frame strip

116

location hole

118

mounting hole

120

guide part

123

guide projection

124

Distance (locking position)

126

Distance (mounting position)

128

angle of attack

Claims (14)

1. A running part (14), especially for a sliding door fitting, for guiding a furniture part (4) in a guiding direction (16) along a guide rail (10), comprising:

   - a holder (78) which can rigidly be connected to the furniture part (4) to be guided, and

   - a locking bolt (80) which is displaceably held on the holder (78) at an angle to the guiding direction (16) between a guiding position and a mounting position, and which is guided in the guiding position on the guide rail (10) and can be removed from the guide rail (10) in the mounting position,

   - a restoring element (102), via which the locking bolt (80) is pretensioned on the holder (78) in the guiding position, whereby a blocking element (84) is provided, by means of which a displacement of the locking bolt (80) relative to the holder (78) in the guiding position can be blocked

   characterized in that the blocking element (84) comprises a rotary handle (96), by means of which the blocking element (84) can be opened, in order to unlock a positive-locking fit between positive-locking elements (98) which are part of the blocking element and are located on the side of the locking element, and ribs located at the locking bolt (80).
2. A running part (14) according to claim 1, characterized in that the blocking element (84) comprises a first positive-locking element (100) on the locking bolt (80) and a second positive-locking element (98) on the holder (78), said second positive-locking element being arranged in a complementary manner to the first positive-locking element (100), which positive-locking elements are formed to block the displacement of the locking bolt (80) against the locking position (124) via a positive-locking fit.
3. A running part (14) according to claim 2, characterized in that the first and/or second positive-locking element (98, 100) is angularly movably mounted to a direction of displacement (22) of the locking bolt (80).
4. A running part (14) according to claim 2 or 3, characterized in that the positive-locking fit acts both in the guiding direction (16) and in the direction (22) of the locking position (124).
5. A running part (14) according to one of the preceding claims 2 to 4, characterized in that the first and second positive-locking element (98, 100) are arranged as latching elements so as to latch into each other during a displacement of the locking bolt (80) in the direction (22) of the locking position (124).
6. A running part (14) according to one of the preceding claims, characterized in that the toothing of the first positive-locking element (98) and the second positive-locking element (100) are formed in a serrated manner.
7. A running part (14) according to one of the preceding claims, characterized in that a lug (101) is formed on the locking bolt (80), which during a displacement of the locking bolt (80) in the direction (22) of the locking position (124) can be placed on the rotary handle (96) as a limit stop in a closed position of the blocking element (84).
8. A running part (14) according to one of the preceding claims, characterized in that a strip-like guide element (78) is provided for guiding the locking bolt (80) in a direction of displacement (22) of the locking bolt (80).
9. A furniture fitting (4), especially for a sliding door, which is guided along a first guide rail (8) and a second guide rail (10) in a guiding direction (16), comprising:

   - a base body (21), especially a door element,

   - at least one first running part (12) which is connected to the base body (21) for guiding the base body (21) on the first guide rail (8), and

   - at least one second running part (14) according to one of the preceding claims, which is fixed to the base body (21) spaced from the first running part (12), for guiding the base body (21) on the second guide rail (10).
10. A furniture fitting (4) according to claim 9, characterized in that the first running part (12) comprises a mounting holder (20) which is rigidly connected to the base body (21) and a support element (24) which is displaceably held on the mounting holder (20) at an angle to the guiding direction (16), via which the base body (21) is guided in the direction of the first guide rail (8).
11. A furniture fitting (4) according to one of the preceding claims 9 and 10, characterized in that at least one limiting element (62) arranged on the first guide rail (8) is provided for limiting a movement of the first running part (12) in the guiding direction (16).
12. A furniture fitting (4) according to claim 10, characterized in that the limiting element (62) comprises a region (76) tapering in the guiding direction (16) for the frictionally engaged receiving of at least one part (54) of the first running part (12).
13. A furniture fitting (4) according to one of the claims 9 to 12, characterized in that the first running part (12) and/or the second running part (14) is fixed to the base body (21) at least at two, preferably three, fastening points (36, 87) which differ with respect to their position.
14. A piece of furniture (2), comprising a furniture body with a displaceably mounted sliding door, which is retained on the furniture body via a furniture fitting (4) according to one of the claims 9 to 13.

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