EP3154397B1 - Device for ejecting a furniture part and piece of furniture - Google Patents

Description

State of the art

In modern furniture, it is known to bring a movably received on a furniture body furniture part such as a drawer or a furniture flap by an ejector from a retracted or pivoted to the furniture body position in a moved out or ejected position. This can be done by means of a driven movable ejection element of the ejection device, for example with an ejection lever. The ejection element has an abutment portion, which is at least temporarily brought into contact with the part of the furniture on moving out of the movable furniture part, to which the device is not attached.

With regard to a variety of possible uses of the ejection device, appropriate measures must be provided on the device.

The WO 2011/130758 A1 relates to a pusher with a drivable ejection lever for ejecting a movable furniture part from a closed end position on a furniture body.

From the DE 10 2009 030 668 A1 is a device with a drivable ejection lever for ejecting a movably received on a fixed furniture part furniture part known.

Purpose and advantages of the invention

Object of the present invention is to improve initially designated devices or furniture, so that a technically and economically advantageous use of the device is possible. In particular, should be possible flexibly with the provided device, an insert for differently shaped movable furniture parts.

This object is solved by the independent claims.

The dependent claims relate to advantageous variants of the invention.

The invention relates to a device for ejecting a furniture part, which is movably received on a stationary furniture part, wherein the device is provided for attachment to one of the two furniture parts and comprises a mounted on the device and driven by a drive unit ejection lever, the an ejection operation from a start position on the device can be driven out, so that a contact portion on the ejection lever can be brought into contact with the other furniture part to eject the movably received furniture part in an opening direction relative to the stationary furniture part. The device is in particular tuned so that upon reaching the end of the ejection operation by the ejection lever, a contact between the abutment portion on the ejection lever and the other furniture part is repealed in particular under a further movement of the furniture part in the opening direction. The device may be mounted on the furniture body, wherein the ejection lever can be brought into contact with the abutment portion on the movable furniture part. Alternatively, the device is arranged on the movable furniture part and the contact section reaches the furniture body in contact, wherein the device on the movable furniture part, with an ejection process from the furniture body is repulsive, is moved.

The essence of the invention is that the ejection lever has a neck portion which is selectively removable along an existing separation area from the remaining part of the ejection lever, whereby a depth dimension of the ejection lever in the region of the abutment portion depending on the presence of the neck portion on the ejection lever is predetermined such that the Depth dimension of the ejection lever is reduced with the neck portion removed is compared to the depth dimension of the ejection lever with not removed neck portion. The ejection lever is accordingly composed of the neck portion with the remaining part of the ejection lever, for example, a base part, or the ejection lever alone has the remaining part or the base part opposite to the variant with the neck portion.

Advantageously, the ejection lever and thus the device can be adapted individually to different purposes, in particular to differently designed distance measurements of different furniture. The distance measure relates to the closed furniture part relative to the furniture body, in particular to a distance between oppositely spaced wall sections, between which the device is attachable or effective. Specifically, these are, for example, an inner side of a rear wall of the furniture body to which the device is attachable, for example, at the height of a furniture part to be ejected, and an outer side of a rear wall of the movable furniture part to be ejected with the device, such as a drawer. This distance between the rear walls can be different depending on the design or thickness of the drawer rear wall. For example, the distance between the rear walls is different, depending on whether the rear wall of the movable furniture part or the drawer is formed as a wood or metal back wall. Wooden rear walls usually require a smaller distance, so that the ejection lever without neck portion has the appropriate depth dimension in the region of the contact section, to the smaller distance to bridge, with fully pivoted to the device ejection lever. The depth dimension is accordingly related to a start position of the ejection lever with a fully swung-back ejection lever in a waiting position before a discharge operation and on the furniture body completely eigeschobene or closed movable furniture part.

In a metal drawer rear wall, the distance to the furniture body rear wall is usually larger, so the neck portion on the ejection lever is necessary in order to completely bridge the larger corresponding distance, so to come into contact with the outside of the drawer rear wall, at swung ejection lever and inserted relative to the furniture body drawer.

To this depending on the type of z. B. drawer rear wall compensate for possible differences in distance, so far different ejector must be provided with different depth dimensions in the area of the contact section, which is disadvantageous or expensive or brings increased manufacturing, Bereitstellungs- and assembly costs.

The considered distance is related to the opposite rear wall sections, in particular a measured in the horizontal direction distance of the rear wall areas, between which the device is effective, which concerns the mounting portion of the device on a furniture part on the one hand and the horizontally opposite rear wall portion of the other furniture part on the other hand the ejection lever is acted upon.

The depth dimension of the ejection lever is based on a direction predetermined by the moving direction of the movable furniture part on a first stretch of the ejected furniture part. This means, for example, in a drawer to be ejected the Ausschieberichtung the drawer.

Further, it is advantageous that the nose portion provides the abutting portion when the nose portion is attached to the ejection lever. Thus, the part of the ejection lever, which is in contact with the other furniture part at the beginning of the ejecting operation, is formed by the boss portion. In particular, the attachment portion comprises a straight or bent end region of the ejection lever in the pivoting direction of the ejection lever.

It is also advantageous that the ejection lever is designed such that in the state of the device with the removed from the ejection lever neck portion of the abutment portion is provided on the remaining part of the ejection lever. Thus, the full ejection function of the ejection lever is met even with removed approach section. The shape of the abutment portion formed by the remaining part of the ejection lever advantageously corresponds to the shape of the abutment portion formed by the neck portion. An effective edge course of the abutment portion is preferably curved, which is particularly advantageous because contact between the abutment portion and the other furniture part considered over a complete ejection process usually does not take place at a fixed area of the abutment portion, but changed or along a route moved at the investment section. For example, the contact point on the abutment portion which makes contact with the other furniture part migrates from a location on the abutment portion with a radially smaller distance R1 to a pivot axis of the ejection lever to a location having a greater radial distance R2 to the ejector pivot axis during a puffing operation , so R2 is greater than R1. The radial distance R1 to the pivot axis is in particular the distance of the contact point of the abutment portion with the other furniture part at rest closed furniture part, whereas the radial distance R2 in particular the distance of the contact point of the abutment portion with the other furniture part is associated, in which the contact between the contact portion and the other furniture part at the end of a Ejection operation is canceled.

The mode of action of the ejection lever or of the abutment section on the other furniture part during an ejection process is in particular identical if one compares the two design variants of the ejection lever with and without neck section. This means that an ejected furniture part, for example a drawer with a wooden rear wall or with a steel rear wall, is ejected with the same movement or ejection characteristic, regardless of whether the ejection lever with the neck portion, with existing steel rear wall, or without the neck portion, at a Wooden back wall, is effective.

According to an advantageous embodiment of the invention, the separation region comprises prepared recesses. The prepared recesses can act, for example, as predetermined breaking points. Thus, the neck portion can be relieved and defined removed from the base part.

An advantageous modification of the invention is characterized in that the separation region has prepared connection means which allows a device and solution of the connection of the neck portion on the remaining part of the ejection lever. In particular, the connection of the attachment portion on the remaining part of the ejection lever can be set reversibly detachable and canceled. It is advantageous in a single step, in particular manually or without tools, the neck portion removable and possibly re-attachable.

A further advantageous variant of the invention relates to connecting means, which are designed for a connection of the attachment portion with the remaining part of the ejection lever, wherein with the connection means a plug connection between the attachment portion and the remaining part of the ejection lever can be established. In particular, advantageously, a detachable connection can be established. A plug connection is also easy and technically reliable.

Advantageously, the connecting means are formed for a connection of the neck portion with the remaining part of the ejection lever, wherein with the connecting means a latching connection with locking means between the neck portion and the remaining part of the ejection lever can be set. A locking connection via latching means remains safe or permanent even when loads occur.

For example, the latching connection can be provided by a snap connection with snap means, for example, as a releasable connection. The neck portion may optionally be clipped or inserted via the snap-in connection.

Advantageously, in addition, the connecting means comprise a snap hook on the neck portion, which are configured with a matched to the snap hook counter portion on the remaining part of the ejection lever for forming a connection between the neck portion and the remaining part of the ejection lever. In particular, several similar snap hooks are set up for the detachable connection. The arrangement of the plurality of snap hooks is realized, for example, in a longitudinal region of the attachment portion front and rear portion of the neck portion, which is mechanically advantageous.

Further, it is advantageous that the boss portion has prepared spring means such that the abutment portion provided by the boss portion is elastically deflected and recoverable under a pressure load corresponding to a load in a jetting operation of the movable furniture member. In this way, different levels of forces from the ejection lever can be transmitted controlled in a discharge operation on the movable furniture part, with a point overloading of the components concerned avoided and Damage is counteracted.

Advantageously, the approach portion comprises prepared spring means with a loop-shaped spring member having a resilient material tongue, wherein via a front of the material tongue a contact with the other furniture part takes place during an ejection process, and wherein a material-free area adjoins a back of the material tongue, which has an alternative space for the Material tongue provides a pressure load on the front of the tongue material. This represents a material-saving and compact design of the approach section.

It is also advantageous that the spring means comprise a loop-shaped spring member having a support bar, via which the ejection lever attached to the projection portion is supported on the remaining part of the ejection lever, wherein between the support bar and the contact portion a material-free area is present. This training is stable and can be realized with little cost of materials.

The invention also relates to a piece of furniture with a fixed furniture part, on which a movable furniture part is received, wherein one of the above-mentioned devices is present. This can be achieved on the furniture in question the advantages discussed above. In particular, the furniture has a furniture body with a drawer and a discharge device for the drawer, which comprises the ejection lever. In particular, the ejection device acts between a rear side of the drawer and an inner side of a furniture body rear wall.

figure description

Figur 1

eine erfindungsgemäße Vorrichtung, die an einem Möbel angebracht ist, in perspektivischer Ansicht,

Figur 2

einen vergrößerten Ausschnitt der Anordnung gemäß Figur 1,

Figur 3

den Ausstoßhebel gemäß der Vorrichtung aus den Figuren 1 und 2 in perspektivischer Einzelansicht schräg von oben,

Figur 4

eine schematisierte Seitenansicht auf die Vorrichtung gemäß Figur 1 und 2 im eingebauten Zustand an einem teilweise gezeigten Möbel mit einer Schublade,

Figur 5

die erfindungsgemäße Vorrichtung im eingebauten Zustand an einem teilweise gezeigten Möbel mit einer zur Schublade gemäß Figur 4 alternativen Schublade,

Figur 6

stark schematisiert der in Figur 3 gezeigte Ausstoßhebel von der Seite,

Figur 7

einen Ansatzabschnitt des Ausstoßhebels gemäß Figur 6,

Figur 8

den Ausstoßhebel gemäß Figur 3 in einer weiteren perspektivischen Ansicht und

Figur 9 und 10

den Ansatzabschnitt des Ausstoßhebels gemäß Figur 8 in zwei unterschiedlichen perspektivischen Ansichten.

Further features and advantages of the invention are explained in more detail with reference to an ejection device according to the invention shown in the figures. In detail shows:

FIG. 1

a device according to the invention, which is attached to a furniture, in perspective view,

FIG. 2

an enlarged section of the arrangement according to FIG. 1 .

FIG. 3

the ejection lever according to the device of the Figures 1 and 2 in a perspective single view diagonally from above,

FIG. 4

a schematic side view of the device according to FIGS. 1 and 2 when installed on a partially shown piece of furniture with a drawer,

FIG. 5

the device according to the invention when installed on a partially shown furniture with a drawer according to FIG. 4 alternative drawer,

FIG. 6

strongly schematized in FIG. 3 shown ejector lever from the side,

FIG. 7

a neck portion of the ejection lever according to FIG. 6 .

FIG. 8

the ejection lever according to FIG. 3 in a further perspective view and

FIGS. 9 and 10

the neck portion of the ejection lever according to FIG. 8 in two different perspective views.

FIG. 1 shows a section on an inner side 2 a of a carcass rear wall 2 of a furniture body 3 with an attached ejection device according to the invention 1. The ejection device 1 is as Aufsteckbauteil for plugging Profile rails 4, 5 is formed, wherein the attached ejection device 1 occupies an area between the vertically aligned parallel rails 4 and 5. The ejection device 1 is used for ejecting a in the FIGS. 4 and 5 illustrated drawer 11 and 13, which is accommodated on the furniture body 3 between two opposite and the carcass rear wall 2 at right angles to the side walls extending slidably over two Auszugeinheiten (not shown). To open or eject a drawer, the ejector 1 acts z. B. a line contact of an abutment portion 12 of an ejection lever 9 on a rear outer side of a wooden rear wall 11a of the drawer 11 and a steel rear wall 14 of the drawer 13. The ejection lever 9 is driven about a vertical pivot axis S in the direction of P1 swung out and opposite in direction P2 can be pivoted , As a drive unit for swinging in and out of the ejection lever 9 is in particular an electric drive motor or electric motor in question.

The approximately cuboid ejection device 1 is mounted on the inside 2a of the body rear wall 2 via the existing thereon vertically extending rails 4, 5 above a horizontal cross rail 6 or attached. For this purpose, mounting portions 7, 8 are provided with slightly elastically bendable mounting jaws on the ejection device 1 on both sides, which can be snapped on appropriate mating portions of the rails 4, 5.

The ejection device 1 is supplied with energy via a power supply and controlled or controlled by means of a control unit. The ejection lever 9 is located in the fully pivoted in the direction P2 and resting state according to the FIGS. 1, 2 . 4 and 5 partially recessed in a receiving recess 10 of the ejection device 1, wherein the ejection lever 9 projects over a planar flat front side 1a of the ejection device 1 something.

The ejection device 1 is used in a furniture such as a kitchen furniture, the movable over Guide units on the furniture body 3 movably received furniture drawer 11 and 13 from a fully inserted on the furniture body 3 position according to the FIGS. 4 and 5 in the direction of P3. For this purpose, pivoted ejection lever 9, which abuts the rear of the steel rear wall 14 and the wooden rear wall 11a, driven in the direction P1, so that the drawer 11 and 13 is also driven ejected until a discharge contact of the ejection lever 9 with the wooden rear wall 11a or the steel rear wall 14 is released and the drawer 11 or 13 is further movable in the direction P3, for example, slows down without external action and expires or is actively pulled further by a person.

The driven ejection of the drawer 11, 13 can be initiated via the person who wants to open the drawer 11, 13, for example by tapping or pushing the drawer 11, 13 or their front panel in the direction of the body rear wall 2, whereby the ejection lever 9 is pushed from the drawer rear wall 11a and 14 from the resting starting position in the direction P2. In this case, a triggering command takes place, which is detected for example via a sensor in the device, which registers the pushing in of the ejection lever 9. The sensor communicates with the control unit, which causes the drive unit for driven swinging out of the ejection lever 9 in the direction of P1 and thus ejects the drawer 11, 13 forward according to P3.

The ejection lever 9 comprises in the new state or in the installed state of the ejection device 1, a neck portion 15 and a base portion 17, wherein the neck portion 15 is connected via a prepared designed separation region 16 with the base part 17. The separating region 16 can be formed in different ways and is in particular tuned so that the neck portion 15 along a defined predetermined dividing line reproducible and easier, for example, by hand or optionally with the aid of a simple tool from the base member 17 selectively removed can be. When the extension portion 15 is removed, the base part 17 constitutes the remaining part of the ejection lever 9. In both states, with or without extension portion 15, the ejection lever 9 fulfills its intended function by swinging out to eject the inserted drawer 11 or 13. This also means that the abutment lever 9 existing neck portion 15 provides the abutment portion 12 and when removed neck portion 15, the base member 17 a contact portion 12 '(s. FIG. 4 ). The contact section 12 or 12 'arrives at the ejection with the drawer rear wall 11a, 14 in ejection contact. Advantageously, the shape or contour of the contact section 12 'is modeled on the shape or contour of the contact section 12.

FIG. 4 shows from the side of a highly schematic and fragmentary attached to the carcass rear wall 2 ejector 1 with pivoted ejection lever 9 and the fully inserted into the furniture body 3 drawer 11 in not to scale. The existing between parallel side walls of the drawer board-like wooden back wall 11a of the drawer 11 is formed of solid material and is made of wood. At the ejection lever 9 according to FIG. 4 the neck portion 15 is removed, so that the abutment portion 12 'of the base member 17 abuts against the rear side of the wood rear wall 11a of the fully inserted drawer 11. The rear side of the wood rear wall 11a of the drawer 11 is spaced a distance s1 from the front 1a of the ejector 1.

In contrast, shows FIG. 5 the same furniture body 3 with the drawer 13 with the steel rear wall 14 of a profiled steel material, wherein a rear wall of the rear wall 14 of the steel rear wall 14 facing the carcass rear wall 2, on which the ejection lever 9 engages with the abutment portion 12 of the lug portion 15 during ejection, compared with FIG the drawer 11 is further away or has a greater distance s2 to the front side 1a of the ejection device 1. We have s2> s1.

Relative to the rear side of the wooden rear wall 11a of the drawer 11, the rear side of the steel rear wall 14 of the drawer 13 is offset to the interior of the drawer 13 with a default dimension Δs = s2-s1 or has a corresponding offset dimension. The drawer 13 in the fully retracted or closed state on the furniture body 3 can not or should not continue as in accordance FIG. 5 shown to the body rear wall 2 are inserted, otherwise a front of a front of the drawer 13 (not shown), which closes the front of the drawer 13 in the direction P3, not flush but correspondingly set back to end sides of the side walls of the furniture body or the necessary length of Einschiebestrecke would not be possible with the rail guide the drawer 13 or only with additional installation effort.

Therefore, it is advantageous that the distance difference .DELTA.s be compensated with the ejection lever 9, depending on whether the wood rear wall 11a or the steel rear wall 14 is present. This is done with the neck portion 15, which is optionally present on the ejection lever 9, according to FIG. 5 , or decreased, what is FIG. 4 shows.

FIG. 6 shows the ejection lever 9 according to FIG. 3 schematized or FIG. 7 alone the neck portion 15 each from the side. The contact points of the abutment portion 12 with corresponding locations of the portion 14a of the rear side of the steel rear wall 14 extend in the course of an ejection operation of the drawer 13 along the ejection lever 9 over a range a. Accordingly, a radius of the respective contact point to the pivot axis S changes from R1 to R2 with R2> R1 (s. FIG. 6 ).

This is due to the changing spatial orientation of the ejection lever 9 during pivoting in the direction of P1.

The separation area 16 may be defined, for example, by at least one be prepared recess or be realized on a prepared predetermined breaking area with predetermined breaking points for easy breaking off of the neck portion 15 of the base member 17.

A in the contact section 12 over the area a average depth dimension T1 of the ejection lever 9 with the neck portion 15 is greater than a corresponding average depth dimension T2 in the contact area 12 'without the neck portion 15th

FIG. 7 shows the neck portion 15 in an individual view additionally with interrupted contours of a spring tongue 19 at a front end of the neck portion 15, which different degrees elastic bending of the spring tongue 19 are indicated, which is due to the ejection process acting ejection forces from the ejection lever 9 to the drawer 13, whereby the ejection lever 9 is acted upon in the loading direction P4 with a counterforce. According to shows FIG. 8 the ejection lever 9 with the spring tongue 19 in the unstressed state and indicated in a bent state in which a rounded front edge 19a of the spring tongue 19 sweeps over a bending radius r, for example, a load on the ejection lever 9 when ejecting a heavy drawer.

The FIGS. 6 to 10 illustrate the formation of elastically evasive and recoverable spring tongue 19 of the neck portion 15, wherein the neck portion 15 is formed in particular of a suitable plastic. The spring tongue 19 forms an extension of a part or a wall 20 of a loop-shaped spring 18, which has a free from the side fork-like spring opening 21, which is enclosed by the elastic thin resilient wall 20.

With the spring opening 21, a material-free area is provided in the loading direction P4 behind a wall section 20a of the wall 20 in the area of the contact section 12, whereby in addition to the elastic possibility of deflection of the spring tongue 19, the wall section 20a and further sections of the Wall 20 have resettable spring properties under load.

Furthermore, corresponding connecting means in the separating region 16 in the form of elastically bendable similar snap-in hooks 22 to 25 are present on the attachment section 15.

In the attached state of the attachment portion 15 on the base part 17 according to Figure 1 to 3 and 8th engage the latching hooks 22 to 25 at corresponding portions of the base member 17 resiliently, so that the neck portion 15 on the base portion 17 can be latched.

In order for a releasable connector of the extension portion 15 is realized on the separation area 16 on the base part 17.

The neck portion 15 is supported in the attached state with another wall portion 20b of the wall 20 of the spring 18 on the surface of the portion of the base part 17, which forms the contact area 12 'when the neck portion 15 is not present.

LIST OF REFERENCE NUMBERS

1

ejector

1a

front

2

Body rear panel

2a

inside

3

furniture body

4

rail

5

rail

6

cross rail

7

attachment section

8th

attachment section

9

ejector lever

10

receiving recess

11

drawer

11a

Holzrückwand

12, 12 '

contact section

13

drawer

14

Steel back

14a

section

15

nose portion

16

separating region

17

base

18

feather

19

elastic tongue

19a

leading edge

20

wall

20a

wall section

20b

wall section

21

spring opening

22-25

latch hook

Claims (12)

1. Device (1) for ejecting a furniture part (11, 13), which is mounted movably on a fixed furniture part (3), wherein the device (1) is provided for attaching onto one of the two furniture parts (3 ; 11, 13) and comprises an ejection lever (9) mounted on the device (1) and driven by a drive unit, which ejection lever can be driven for an ejection process from a start position on a device (1), so that a bearing section (12,12') on the ejection lever (9) can be brought into contact with the other furniture part (11, 13) in order to eject the movably mounted furniture part (11, 13) in opening direction relative to the fixed furniture part (3), characterised in that the ejection lever (9) comprises a attachment section (15), which can be removed optionally along a provided separating area (16) from the remaining part (17) of the ejection lever (9), by means of which a depth dimension of the ejection lever (9) in the region of the bearing section can be defined depending on the presence of the attachment section (15) on the ejection lever (9), such that the depth dimension of the ejection lever (9) is reduced with a removed attachment section relative to the depth dimension of the ejection lever (9) with a non-removed attachment section (15).
2. Device according to claim 1, characterised in that the attachment section (15) provides the bearing section (12) when the attachment section (15) is attached to the ejection lever (9).
3. Device according to claim 1 or claim 2, characterised in that the ejection lever (9) is designed such that in the state of the device (1) with the attachment section (15) removed from the ejection lever (9) the bearing section (12') is provided on the remaining part (17) of the ejection lever (9).
4. Device according to any of the preceding claims, characterised in that the separating area (16) comprises preprepared recesses.
5. Device according to any of the preceding claims, characterised in that the separating area (16) comprises preprepared connecting means (22 - 25) which enable the formation and release of the connection of the attachment section (15) on the remaining part (17) of the ejection lever (9).
6. Device according to any of the preceding claims, characterised in that the connecting means (22 - 25) are designed for connecting the attachment section (15) to the remaining part (17) of the ejection lever (9), wherein with the connecting means (22 - 25) a plug-in connection can be formed between the attachment section (15) and the remaining part (17) of the ejection lever (9).
7. Device according to any of the preceding claims, characterised in that the connecting means (22 - 25) are designed for connecting the attachment section (15) to the remaining part (17) of the ejection lever (9), wherein with the connecting means (22 - 25) a locking connection can be formed between the attachment section (15) and the remaining part (17) of the ejection lever (9).
8. Device according to any of the preceding claims, characterised in that the connecting means (22 - 25) comprise a snap hook on the attachment section (15), which are designed to have a counter section corresponding to the snap hook on the remaining part (17) of the ejection lever (9) for forming a connection between the attachment section (15) and the remaining part (17) of the ejection lever (9).
9. Device according to any of the preceding claims, characterised in that the attachment section (15) comprises a preprepared spring mechanism (18, 19) such that the bearing section (12), which is provided by the attachment section (15), can deflect elastically and be restored with pressure loading corresponding to the load during an ejection process of the movable furniture part (13).
10. Device according to any of the preceding claims, characterised in that the attachment section (15) comprises a preprepared spring mechanism (18) with a loop-like spring component with a resilient material tongue (19), wherein on a front side of the material tongue (19) contact is made with the other furniture part (13) during an ejection process, and wherein on a rear side of the material tongue (19) there is a material-free area which provides a deflection space for the material tongue (19) with pressure loading on the front side of the material tongue (19).
11. Device according to any of the preceding claims, characterised in that the spring mechanism comprises a loop-like spring component (18) with a support web (20b), by means of which the attachment section (15) attached onto the ejection lever (9) is supported on the remaining part (17) of the ejection lever (9), wherein there is a material-free area (21) between the support web (20b) and the bearing section (12).
12. Piece of furniture with a fixed furniture part (3), on which a movable furniture part (11, 13) is mounted, wherein a device (1) according to any of the preceding claims is provided.

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