WO2012069339A1

WO2012069339A1 - Connecting fitting

Info

Publication number: WO2012069339A1
Application number: PCT/EP2011/070149
Authority: WO
Inventors: Heiko Boekhoff; Roman Herzog; Andreas Stuffel
Original assignee: Paul Hettich Gmbh & Co. Kg
Priority date: 2010-11-22
Filing date: 2011-11-15
Publication date: 2012-05-31
Also published as: AU2011333962B2; AU2011333962A1; CN103220939A; KR20130131356A; EP2642891A1; RU2013127174A; RU2567714C2; DE102010060722B4; JP2014500076A; CN103220939B; KR101929064B1; DE102010060722A1; JP5932822B2; ES2759493T3; EP2642891B1; TW201233912A

Abstract

The invention relates to a connecting fitting (1) for detachably fixing a panel-shaped furniture item, in particular a front panel (4), to a further panel-shaped furniture item, in particular a lateral wall frame (8) of a drawer (5) that for said purpose is angular, preferably rectangular. The connecting fitting comprises a carrier device (2), which is provided with an abutment that detachably engages with a locking device (3), wherein the locking device has the following features: a mounting base portion (21) extending perpendicularly to the mounting surface (16), wherein a locking lever (22) acted upon by a spring (28) is movably articulated on the mounting base portion and under spring force can be moved from a release position into a locking position and against the spring force out of the locking position back into the release position; the locking lever has a hook portion (23), which is used to engage the corresponding abutment, preferably the pin (13), in the locking position on the carrier device (2). The locking lever (22) is articulated with a pivot bearing (24) on the mounting base portion (21). The connecting fitting is characterised by a refined arrangement of the release lever on the construction.

Description

connecting fitting

The invention relates to a connection fitting for releasably securing a plate-shaped furniture part, in particular a front panel, at an angle thereto, preferably at right angles, aligned further plate-shaped furniture part, in particular a side wall frame of a drawer, according to the preamble of claim 1.

A generic connection fitting is known from EP 0 066 893 B1. The connection fitting shown is characterized in that it is compact and that with him a solid connection between two plate-shaped furniture parts to be joined together can be realized, which is easily solved by a built-in connection fitting release lever. Advantageously, the possibility of automatically establishing the connection by axially inserting the corresponding support unit. On the other hand, less favorable appears in this state of the art, the spring property of the assembled system, as shocks are absorbed relatively unsprung on the connection area, which can lead to damage to the interconnected furniture parts in extreme cases.

A connection fitting, which also uses a connection fitting with "automatic locking" according to the type of EP 0 066 893 B1, but for releasing no integrated release lever but a recording in the locking lever, which allows with the help of a separate tool, such as a screwdriver, a back , is also known from EP 0 740 917 B1 In this case, a locking member is moved out of the locking lever by the axial insertion of the screwdriver into the receptacle during release and only then can the dead center of the release path be run over by applying a transverse force in that a tool always has to be kept ready for releasing the front panel.

The invention has the object, starting from the generic EP 0 066 893 B1, to further improve the connection fitting. The invention solves this problem by the subject-matter of claims 1 and 11. According to the characterizing part of claim 1, the base section is mounted on or formed on a frame adapter of the side frame and the manually operable release lever is articulated on the locking lever and on the base section and extends into a free space in the frame adapter in such a way that it moves freely in the free space is operable by a user.

The subject matter of claim 1 makes it possible to dispense with a tool such as a screwdriver for releasing the locking lever particularly advantageous, since the release lever is particularly practical space-saving integrated with the frame construction. Thereby, the actuation of the release lever on both sides of the drawer, i. on both side frames, at the same time, so that the front panel can be solved safely and without damage by a user. The invention accordingly also provides a drawer with two side frames, a front panel and two of the connection fittings according to the invention. In this case, further functions are advantageously integrated into the release lever according to variants of the subclaims, which further improves the handling and safety properties of the connection fitting

Thus, according to claim 2, a first link in the mounting base portion is formed, which is in register with a second link in the locking lever, wherein a pin passes through both scenes, which is movable in both scenes. This feature makes it possible in a particularly simple manner, an advantageous interaction between the components locking lever and mounting base portion.

According to claim 3, the first backdrop is an arcuate backdrop in the mounting base portion and the second backdrop an angular backdrop in the locking lever, with a überdrückbarer dead center is formed for the pin through the angular backdrop. In this way, the mechanism necessary for the function of locking the locking lever can be implemented in a particularly simple and reliable manner in practice.

Preferably, the pin is - preferably in an opening - arranged on the release lever, which allows the release lever with simple design means to be included in the interplay of the scenes on the locking lever and on the mounting base section.

It is also advantageous if a head is formed on the pin, so that the locking lever is guided on the mounting base portion in its backdrop when the locking lever moves between the open position and the locking position.

Due to the subject matter of claim 1 1, which is to be regarded as a development of claims 1 to 10, but also as an independent invention, the risk of damage to the front panel and possibly the drawer mechanism is reduced by impacts on the front panel in a simple manner, since the Locking lever of the drawer mechanism can move resiliently in the region of its pivot bearing.

Furthermore, the resilient connection fitting allows the front panel - if this is pivotable according to their angle to the other plate-shaped furniture part can be adjusted without having to solve the connection during the adjustment, since the pivot bearing compensate for the corresponding movement of the front panel or can record. This is not possible if that

Swivel bearing as at least in the practical sense designed as a professional "backlash" to be considered fixed bearing.

Advantageous embodiments of the invention can be found in the subclaims.

The invention will be described in more detail with reference to an embodiment with reference to the drawings. Show it:

1 shows a side view of a connection fitting with a first fitting part designed as a locking device, which is placed on a frame adapter and with a second fitting part designed as a carrying device;

FIG. 2 is a perspective exploded view of the locking device of FIG.

1 without the second fitting part;

Fig. 3 is a perspective view of a piece of furniture with a plurality of drawers, which are in the closed state; 4 shows a perspective view of the furniture from FIG. 3 with a drawer in an opened state;

Fig. 5 is a perspective view of one of the drawers of Fig. 4;

6 shows the drawer of FIG. 5 without front panel, but with connecting fitting with locking device and carrying device; FIG.

Figure 7 shows the drawer of Figure 5 without front panel with locking device, but without support device.

Figure 8 is a perspective view of a portion of a frame with locking device and support means at teilausgeblendeter Zargenwand. Fig. 9 is a rear view of the arrangement of Fig. 1;

Fig. 10 is a side view of the arrangement of Figure 1 at the beginning of the insertion of the support member.

Fig. 1 1 - 15 side views of the connection fitting of Figure 1 without Zargenadapter when inserting the support device. which after the manner of temporally consecutive snapshots movements in the

Illustrate mounting the support part on the locking part,

FIG. 15 shows the locking device in the release position without a carrying device; FIG.

16 is a rear view of FIG. 12th

Each connecting fitting 1 has - as can be seen in FIG. 1 - two corresponding functional units which can be brought into engagement with one another: a carrying device 2 and a locking device 3 which can be brought into releasable engagement with the carrying device 2.

The carrying device 2 is fixed to a first plate-shaped furniture part, which - see FIGS. 3 - 5 - is preferably designed as a front panel 4 of a drawer 5. This drawer 5 can be inserted into a furniture body 6 of a piece of furniture 7 in which it is displaceably guided so that it can be pulled out of the furniture body 6 into an open position and pushed out of it into a closed position (see FIGS. 3 and 4). The locking device 3 (see FIGS. 2 and 6 and 7 and 8), however, is designed to be attached to a second plate-shaped furniture part, which is preferably formed as a side frame 8 of the drawer 5. The plate shape of the side frame is realized here by a metallic double-wall cover 9, which is set via one or more Zargenadapter 10 and which can be locked in a conventional manner to the one or Zargenadaptern 10, for example with mounting means such as screws or locking means or the like. The Zargenadapter 10 also serve to receive a drawer bottom 1 1 (Fig. 6) on mounting contours 12 (Fig. 2) and for placement on a rail construction, not shown here, with which the drawer is guided on the furniture body displaceable.

Each drawer preferably has two of the frames 8 and two of the connecting fittings 1, so that the front panel 4 in two areas via one of the support means 2 with the corresponding locking means 3 on the corresponding two side frames 8 is connected or connected in the assembled state is.

The construction of the carrying device 2 is largely arbitrary within the scope of the present invention. However, it must at least on the first plate-shaped furniture part, such as the front panel 4, be fixed and have an abutment element, for example, a suitable recess or a horizontally extending in the installed position pin 13th

The locking device 3 has a base unit (see also FIG. 2), preferably a base angle 14, which is fixed to a leg (sections 15a, b) on an upper mounting surface 16 of the frame adapter 10 in the installed position, for example by welding. This setting could also be done by other connecting means such as screws, further, the base unit could also be integrally integrated in the frame adapter 10 (not shown here).

It should be noted at this point that terms such as "top" and "bottom" are not generally to be understood as limiting. Rather, they understand the usual installation and construction position of a piece of furniture, as shown in Fig. 2. The leg (FIG. 2) is subdivided here into two leg sections 15a, b, between which there is a free space in order to allow out of the mounting surface 16 upwardly projecting contours of other, not further explained here functional elements. The mounting surface 16 has in the front part, ie in the direction of the support means 2, an opening 17 through which still to be explained functional elements of the locking device 3 protrude into the frame adapter 10.

The frame adapter 10 has in a view perpendicular to the front panel plane substantially a U-shaped cross-section. Preferably, it is bent from a sheet, wherein the mounting surface 16 is formed by the shorter leg of the U. In addition to the drawer bottom 1 1 out the mounting contours 12 of the frame adapter 10 before. Between the two longer legs 18, 19 of the Zargenadapters a free space 20 is formed. This free space 20 is dimensioned such that a user can reach into it from below with his fingers. The leg portions 15a, b have a mounting base portion 21 extending perpendicular to the mounting surface 16. On the mounting base portion 21, a locking lever 22 is articulated movable, which is movable from a release position to a locking position.

The locking lever 22 is preferably always completely within the frame, so that no part of the locking device 3 extends into the front panel 4.

The locking lever 22 has a hook portion 23, which serves to engage behind the corresponding abutment, preferably the pin 13, on the support means 2. The locking lever 22 is designed as a lever mounted on one side. Its pivot bearing 24 is located on its side facing away from the front panel 4 side. The locking lever 22 is preferably penetrated in this area at an opening 45 by a pin 25, which preferably passes through an elongated hole-like opening 26 in the mounting base portion 21.

The opening 26 has a dimension that is significantly larger than the diameter of the pin 25 at least in the X direction, so that the pin 25 passes through the opening 26 with play. At the mounting base portion 21 and the locking lever 22 mounting contours 27, 49 are formed as hooks on which a spring, here a coil spring 28, with their ends, which can form mounting arches, is mounted. The coil spring 28 is almost horizontal. Its one end is fixed in the mounted position preferably above the opening 26 in a recess 46 of the mounting base portion 21 and its other end is preferably located approximately midway between the pin 25 and the hook portion 23rd

Thus, the coil spring 28 pulls the locking lever 22 in an upper locking position, in which, when the hook-shaped portion engages behind the abutment on the support member or on the support means 2, which is a plate-shaped component fixed to the other, so here the front panel 4 on the a side frame 8.

Due to the bearing of the pin 25 on the rear reveal of the preferably long-hole-like opening 26 with play in the opening 26, the end of the locking lever 22 with the pin in the opening 26 can move slightly, in particular in the direction parallel to the side frame 8 and vertical to the front panel 4.

This is particularly advantageous because it is prevented by the action described that hard shocks are forwarded to the front panel immediately with full impulse to the side frame 8. The shock pulse is rather deprived of kinetic energy 28 by the interaction of the bearing clearance and the spring. In this way, the connection fitting 1 according to the invention clearly reduces the risk of damage to the side frame construction and the attachment of the front panel 4 to the pin sections 42, 43 of the carrying device 2 of the connection fitting 1 in a simple manner.

It is advantageous if the play in the pivot bearing 24 in at least one direction, preferably in the mounting direction or here "X-direction" (Fig. 1) in the range of 0.3 to 3 mm, particularly preferably in the range of 0.5 to The clearance can be formed at the opening 26 and / or in the connection area between the pin 25 and the locking lever 22.

To release the locking lever 22 from the connecting position, as shown in FIG. 1, is used in the locking device 3 integrated release lever 29th The release lever 29 preferably has an L-shape in a side view. It has a lever arm 30 and a release arm 31 which is aligned at an angle, here almost at right angles, to the lever arm 30. The release arm 31 is also designed in a stepped manner in a side view perpendicular to the side view (see also FIG. 2). Between the lever arm 30 and the release arm 31, a control surface 51 is arranged in the angle enclosed by these arms, which is arranged almost vertically in the open position of the locking device 3.

The lever arm 30 is advantageous here with its end to the mounting base portion 21, preferably to the front panel 4 and the support means 2 close to the hook portion 23 by means of the pin 32, the corresponding openings 34 and 36 in the mounting base portion 21 and in the Release lever 29 passes through, hinged. In the mounting base portion 21, an arcuate gate 44 is formed, which is in an overlap with an angular gate 50 in the locking lever 22 in such a way that the pin 33 both scenes 44, 50 passes through and in which the pin 33 at a distance about its pivot point (the advantageous here in the region of an optionally provided, the arrangement stabilizing material doubling of the element 21 is) formed by the storage in the openings 34, 36 moves, with a überdrückbarer dead point is formed by the angular gate 50 and wherein the pin 33 in an opening 35 on the Release lever 29 is arranged. Further, a head 38 is formed on the pin 33, so that the locking lever 22 is securely guided on the mounting base portion 21 in the link 44 when the locking lever 22 moves between the open position and the locking position.

The release arm 31 projects downwards through the opening 17 into the free space and can be gripped there with a finger. When locking, ie when inserting the support means 2 is actuated by the pin 13 of the release lever 29 on the control surface 51 and thus the pin 33 moves over the dead center of the link 50. As a result, the locking lever 22 is released and pivots by the force of the coil spring 28 upwards, the pin 13 is engaged behind. FIG. 7 further illustrates that the frame cover 9 may have a lateral opening 48 to allow lateral access for aperture adjustment on the support means 2.

If the release arm 31 is pulled in the direction of the support device 2 or the front panel 4, the locking lever 22 is pulled against the force of the spring 28 from the locking position or its upper position to an open position or lower position.

Preferably, the locking and locking lever 22 by the pin 33 on the release lever 29 so far pivotally that a dead center in the gate 50 can be overcome, so that the locking lever 22 can remain in this position in an open position after a corresponding movement, which is particularly facilitates the initial assembly, since in such a way the support means 2 with the front panel 4 is first brought into a mounting position in the locking device. By a sufficiently large force against the direction X on the front panel 4 then the Tragein- direction 2 by means of the pin 13, the release lever 29 on the control surface 51 and thus the pin 33 move over the dead center of the gate 50 so that by the spring 28th the locking lever 22 is pulled into its locking position, in which the hook portion 23 engages behind the abutment - here the pin 13 - on the support means 2. At the free lower end of the release lever 29, that is to say on the release arm 31, here at an offset thereof, a resiliently automatically resettable plastic shoe 39 can be attached, which makes the gripping of the release lever 29 more pleasant. Preferably, this plastic shoe 39 also realizes an additional function.

On the plastic shoe, a sliding surface 52 is arranged in the corner region between gripping surface 53 and securing surface 40, which initially abuts a corner region 41 of locking lever 22 when the release arm 31 is pulled and only then slides over this corner 41, if a clearly perceptible, sufficiently high Operating force is applied, ie the Kunsstoffschuh 39 is pivoted against its spring force. Since the pivoting of the plastic shoe 39 is required to overcome the corner region 41, 29 is by the user when not operating the release lever Such an additional safeguard against unintentional release of the locking lever 22 from its locking position, for example by pure impact load on the front panel 4 realized, the plastic shoe 39 abuts in this case with its locking surface 40 to the lower edge of the locking lever 22, so the release lever 29 so far can pivot that the coupled locking lever with its hook portion 23 can release the pin 13 of the support means 2.

This connection becomes particularly clear from FIGS. 10 to 15 and FIG. 1, which show side views of the connection fitting of FIG. 1 with (FIGS. 10, 1) and then without a frame adapter (FIGS. 1, 12, 13, FIG. 14, 15), wherein the movement sequences during mounting of the supporting part 2 in the direction -X (see FIG. 1) are also based on the type of temporally successive snapshots (FIGS. 10, 11, 12, 13, 14, 1 or 15). be illustrated on the locking part 3 and in particular also the above-described Überasten of the plastic shoe 39 is illustrated at the corner 41.

Finally, it should be noted that the support member 2 here with one or more dowel-like pin portion (s) 42, 43 in openings of the front panel 4 can be fixed (clamping and / or adhesive). Alternatively, it would also be possible to attach the support member 2 to a front panel 4 in other ways, so by means of screws (not shown here). This connection is significantly relieved by the inventive device described above and thus increases the service life of the furniture.

reference numeral

Connection fitting 1

Carrying device 2 locking device 3

Front panel 4

Drawer 5

Furniture carcass 6

Furniture 7 side frame 8

Double wall cover 9

Frame adapter 10

Drawer bottom 1 1

Mounting contours 12 pin 13

Base angle 14

Leg portions 15a, b

Mounting surface 16

Opening 17 legs 18, 19

Free space 20

Mounting base portion 21

Locking lever 22

Hook section 23 pivot bearing 24th

Pin 25

Opening 26

Mounting contour 27

Coil spring 28 release lever 29

Lever arm 30

Release arm 31

Pins 32, 33

Openings 34 to 37 head 38

Plastic shoe 39

Securing surface 40 Corner area 41

Pin sections 42, 43

Scenery 44

Opening 45

Recess 46

Openings 47, 48

Mounting contour 49

Scenery 50

Control surface 51

Sliding surface 52

Grip area 53

Claims

claims

Connecting fitting (1) for releasably securing a plate-shaped furniture part, in particular a front panel (4), at a here too angularly, preferably at right angles, aligned further plate-shaped furniture part, in particular a side wall frame (8) of a drawer (5), wherein the connection fitting a support device ( 2) provided with an abutment releasably engaged with a locking means (3), the locking means comprising: a. a mounting base portion (21) extending perpendicular to the mounting surface (16), b. on which one of a spring (28) acted upon locking lever (22) is articulated movable, which is movable under spring force from a release position into a locking position and against the spring force from the locking position back to the release position c. wherein the locking lever further comprises a hook portion (23) which serves to engage behind the corresponding abutment, preferably the pin (13) in the locking position on the support means (2); d. wherein the locking lever (22) is articulated to the mounting base portion (21) with a pivot bearing (24), e. wherein a manually operable release lever (29) is provided, characterized in that f. the base portion is further mounted to or formed on a frame adapter (10) of the side frame (10), and the manually operable release lever (29) is hinged to the lock lever (22) and base portion (21) and extends into a clearance (20 ) in the frame adapter (10) so that it is manually operable in the free space (20) by a user.

2. Connection fitting according to claim 1, characterized in that a first link (44) in the mounting base portion (21) is formed, which with a second link (50) in the locking lever (22) is in register, wherein a pin (33) both scenes (44, 50) passes through, which is movable in both scenes (44, 50).

3. Connection fitting according to claim 2, characterized in that the first link is an arcuate link (44) in the mounting base portion (21) and that the second link is an angle-shaped link (50) in the locking lever (22), wherein a crushable dead center for the Pin (33) through the angular backdrop (50) is formed.

4. Connection fitting according to claim 2 or 3, characterized in that the pin (33) - preferably in an opening (35) - on the release lever (29) is arranged.

5. Connection fitting according to one of the preceding claims, characterized in that on the pin (33) has a head (38) is formed, so that the locking lever (22) on the mounting base portion (21) in the slot (44) is guided when the Locking lever (22) moves between the open position and the locking position.

6. Connecting fitting according to one of the preceding claims, characterized in that the locking device (3) as the base unit has a base angle (14) which is mounted with a mounting leg on a mounting position in the upper mounting surface (16) of a leg of the frame adapter (10) , wherein the release lever (29) extends through an opening (17) in the mounting surface (16) into the free space (20) in the Zargenadapter (10).

7. Connecting fitting according to one of the preceding claims, characterized in that the release arm (31) through the opening (17) in the free space (20) protrudes, so that there with a finger - preferably in the mounted position from below - can be gripped ,

8. Connecting fitting according to one of the preceding claims, characterized in that the release lever (29) has a lever arm (30) and a release lever arm (31) which is angled, here almost at right angles, to the lever arm (30) is aligned.

9. Connecting fitting according to one of the preceding claims, characterized in that between the lever arm (30) and the release arm (31) in the enclosed angle, a control surface (51) is arranged.

10. Connecting fitting according to one of the preceding claims, characterized in that the lever arm (30) with its one end to the mounting base portion (21), preferably to the front panel (4) or to the support means (2) towards the hook portion (23 ) is articulated.

1 1 .Ferbindungsbeschlag according to one of the preceding claims or according to the features a) to d) of claim 1, characterized in that the pivot bearing (24) has a game which is so large that the locking lever (22) under spring force in the Swivel bearing (22) in at least one direction, in particular parallel to one or in a mounting direction (-X) for mounting the support means (2) on the locking device (3) is displaceable.

12. connecting fitting according to claim 1 1, characterized in that the displaceability or the game is at least 0.2 mm, preferably at least 0.3 mm.

13. Connecting fitting according to one of the preceding claims, characterized in that the locking lever (22) is a lever mounted on one side and that the pivot bearing (24) at the of the support means (2) facing away from the end of the locking lever (22).

14. Connecting fitting according to one of the preceding claims, characterized in that the locking lever (22) for forming the pivot bearing

(24) is penetrated by a pin (25), which also passes through a window-like opening (26) in the base portion (21) having a diameter which in any case in one direction, in particular in the mounting direction (-X) between 0, 3rd and 3 mm, preferably between 0.5 mm and 2 mm play.

15. Connection fitting according to one of the preceding claims, characterized in that the opening (26) is designed as a slot.

16. Connecting fitting according to one of the preceding claims, characterized in that preferably the entire locking device and in particular the locking lever (22) in the mounted position is always completely within the frame cover (9).

17. Connecting fitting according to one of the preceding claims, characterized in that on the mounting base portion (21) and on the locking lever (22) mounting contours (27, 49) are formed, to which the spring (28) is fixed.

18. Connecting fitting according to one of the preceding claims, characterized in that the spring (28) is arranged such that it is at an angle to the locking lever (22) that it pulls it into its locking position.

19. Connecting fitting according to one of the preceding claims, characterized in that the locking lever (22) is movable via dead center into an open position.

20. Connecting fitting according to one of the preceding claims, characterized in that one end of the spring (28) in the mounted position above the opening (26) is fixed and that its other end approximately centrally between the pivot bearing (24) and the hook portion (23 ) lies.

21.Ferbindungsbeschlag according to any one of the preceding claims, characterized in that the release arm (31) and the locking lever (22) cooperate such that when moving the locking lever (22) realized in its release position from the locking position an additional safeguard against unintentional release of the locking lever is.

22. Connecting fitting according to one of the preceding claims, characterized in that on the release arm (31) of the release lever (29) a shoe, preferably a plastic shoe (39) is mounted, wherein further on the shoe in the corner between gripping surface (53) and securing surface ( 40) one ne sliding surface (52) is arranged, which first abuts when pulling the release arm (31) to a corner region (41) of the locking lever (22) and then slips over this corner (41) when a clearly noticeable, sufficiently high operating force is applied ie, when the plastic shoe (39) is pivoted against its spring force.