Drawer and method for producing a drawer

Abstract

The invention relates to a drawer (2) having a base (4), a front panel (3), two side walls (1) and a back wall (5), which form an interior space of the drawer (2) which is open towards the top and closed towards the bottom by the base (4), wherein the side walls (1) each have a one-part inner wall (11) with an integrally formed groove-like receptacle (114) for the base (4) of the drawer (2), wherein the receptacle (114) is formed as a channel and has two substantially horizontal groove sides (1151, 1152) between which a substantially vertical groove bottom (115) is arranged, wherein the side walls (1) also comprise an outer wall (12) mounted on the inner wall (11), wherein the inner wall (11) and the outer wall (12) enclose a hollow space of the respective side wall (1), and have at least carrier (13) in the hollow space, said carrier comprising a holding portion (131). The groove bottom (115) has a contact face (116) for an end side (41) of the base (4) which projects from at least one recess (117) to one of the end sides (41) of the base (4), wherein the holding portion (131) is fastened to the contact face (116) on the side facing away from the groove bottom (115), and at least one of the at least one recess (117) of the groove bottom (115) rests at least partially against the separate outer wall (12).

Description

[0001] Drawer and method for producing a drawer

[0002] The present invention relates to a drawer with a base, a front panel, two side frames and a rear wall, which form an interior of the drawer that is open at the top and closed at the bottom by the base, wherein the side frames each have a one-piece inner wall with an integrally formed groove-shaped receptacle for the base of the drawer, wherein the receptacle is channel-shaped and has two essentially horizontal groove cheeks, between which an essentially vertical groove base is arranged, wherein the side frames each further comprise an outer wall mounted on the inner wall, wherein the inner wall and the outer wall surround a cavity of the side frames, and each have at least one support in the cavity that includes a holding section. Furthermore, the present invention relates to a method for producing a drawer.

[0003] DE 10 2019 107 867 A1 shows a drawer with a side frame having a wall element that is curved to form an inner and an outer wall of the side frame in one piece. A receptacle for a drawer base is formed in the inner wall, which has a contact element for the base in which recesses are formed toward the base, at which the outer wall is connected to the drawer base.

[0004] There are also drawers with side frames that have an adapter device to which a drawer front panel can be mounted. To accommodate higher loads, the adapter device can be attached to a support that is operatively connected to the side frame. WO 2016 / 156049 A1 shows such a drawer with a side frame with a support for a front panel that is attached to a wall element of the side frame. The wall element has a groove-shaped receptacle for a drawer base, on the outside of which a plug-in device for the support is arranged. The support is inserted into this plug-in device, which comprises two channels formed on the wall element.

[0005] The prior art presents the problem that the wall elements of the drawer side frames absorb the forces of the supports and are subjected to significant stress, and that a high level of material is required to manufacture the side frames. Therefore, the object of the present invention is to provide an improved drawer.

[0006] The present invention solves this problem with a drawer having the features of claim 1 and a method for producing a drawer having the features of claim 17.

[0007] The drawer according to the invention has a base, a front panel, two side frames and a rear wall, which form an interior of the drawer that is open at the top and closed at the bottom by the base, wherein the side frames each have a one-piece inner wall with an integrally formed groove-shaped receptacle for the base of the drawer, wherein the receptacle is channel-shaped and has two essentially horizontal groove cheeks, between which an essentially vertical groove base is arranged, wherein the side frames each also comprise an outer wall mounted on the inner wall, wherein the inner wall and the outer wall surround a cavity of the side frames, and each have at least one support in the cavity, which support comprises a holding section.The groove base has a stop surface for an end face of the base, which protrudes from at least one recess to one of the end faces of the base, wherein the holding section is fastened to the stop surface on the side facing away from the groove base, and at least one of the at least one recesses rests at least partially against the separate outer wall, which enables particularly simple installation of the holding section on the inner wall of the side frames. When the drawer is assembled, the forces introduced into the groove base by the holding section of the support are introduced via the receiving channel from the inner wall directly into the base, so that the inner wall above the receiving channel is relieved. Furthermore, the drawer according to the invention has a particularly high level of stability due to the enabled force transfer and / or transmission from the holding section of the support to the groove base, and is designed to save material.The drawer base can be precisely mounted using the present invention, with at least one recess increasing the stability of the support. Preferably, the recess can be used to support the outer wall and / or keep it spaced from the stop surface.

[0008] The side of the stop surface facing away from the groove base is the side of the stop surface that is not on the side of the receptacle into which the drawer base is inserted or pushed. The holding section is preferably arranged adjacent to, i.e., laterally next to, the at least one recess in the extension direction. A receptacle or recess can be arranged in the area of ​​the holding section instead of the recess.

[0009] In order to be able to fasten the holding section of the supports to the groove base with particular precision and in a space-saving manner, at least one of the at least one recess preferably has at least one cutout per support, through which the support and in particular the holding section extends. In this case, at least one recess is arranged protruding next to the holding section in order to, for example, keep the outer wall spaced from the support. For example, an upper recess can have at least one cutout per support. By the support or the holding section of the support extending through the upper recess, it is ensured that the holding section does not protrude from the outer contour of the upper recess. As a result, the outer wall does not rest, or not only rests, on the holding sections, but is supported at least in sections over the entire length of the side frames on at least one of the at least one recess.The at least one recess can have the same cross-section over its entire length or optionally have embossings projecting towards the outer wall at one or more points against which the outer wall rests.

[0010] A lower recess is optionally designed to be continuous in the longitudinal direction without a cutout, making it particularly easy to manufacture. Recesses are preferably provided in both recesses. For example, at least one recess for a floor claw can be provided in the lower recess. With an optional arrangement of the respective holding section in a separate recess per recess, the support can be particularly well secured against twisting on the inner wall.

[0011] In particular, the outer wall has a thinner wall than the inner wall, for example a wall thickness that is at least 10% thinner. In particular, the external forces are introduced into the supports and diverted through the inner wall into the floor, and further forces are absorbed by the inner wall, which largely relieves the load on the outer wall. This allows the side frames to be designed to be particularly material-efficient and narrow in the direction perpendicular to their essential longitudinal extent, while at the same time being stable. For a particularly narrow version of the side frames, the inner wall preferably has a wall thickness of 0.6 mm to 1 mm, and the outer wall has a wall thickness of 0.4 mm to 0.8 mm.It is essential that the inner wall of each side frame has a thicker wall thickness than the respective outer wall, since the components, such as the supports and the connecting device, which absorb the essential system forces, are arranged on the inner wall. The base material of the inner wall, the outer wall, and the at least one support is preferably sheet steel.

[0012] For a particularly robust design of the side frames, the holding section of the at least one support is preferably fastened to the receptacle of the inner wall on the groove base by means of clinching or by welding in a force-fitting and form-fitting manner or by material bonding.

[0013] In a preferred embodiment, the holding section is fastened to the stop surface in a form-fitting and / or force-fitting or material-fitting manner. By fastening the holding section to the section of the groove base, forces acting on the at least one support can be introduced into the groove base via the holding section when the drawer or the base is in the assembled state. By means of the base inserted into the holder, significant deformation of the holder is prevented, or a portion of the forces acting on the at least one support is introduced into the base. This arrangement considerably relieves the load on the inner wall above the groove base, which leads to high stability. In a preferred embodiment, the holding section has only one leg.In a further preferred embodiment, the holding section of the carrier has at least two legs, which are at least partially arranged in one or in separate recesses in at least one of the depressions and which are preferably each connected by means of clinching or welding to the stop surface of the groove base or another section of the groove base.

[0014] The at least one recess preferably runs along the entire groove base, in particular along its edges, parallel to a drawer extension direction. The drawer extension direction corresponds to a longitudinal direction of the side frame. This allows the drawer base to be held particularly securely and precisely in position. For this purpose, the receptacle preferably also comprises at least two recesses running essentially parallel to one another, so that the drawer base can be pushed into the receptacle up to the stop surface without first being held in place by curved edges of the groove base.

[0015] For particularly simple production of the receptacle, the recess is preferably formed at the transitions from the groove base to the groove sides. The recesses can optionally also be arranged in a central area in the groove base. Preferably, several recesses are arranged one behind the other in the central area.

[0016] Preferably, the recesses, which run essentially parallel to one another, have a U-shaped cross-section, with a first leg of the U-shape merging into the stop surface and a second leg of the U-shape merging into a groove cheek of the groove-shaped receptacle. The recesses, which run essentially parallel to one another, are spaced apart from one another in particular in a range of 6 mm to 22 mm and preferably from 9 mm to 18 mm in order to be optimized for an insertable drawer base. Preferably, the recesses have a U-shaped or V-shaped cross-section parallel to a direction of insertion of the base into the receptacle.

[0017] For a particularly sturdy version of the side frames, the stop surface of the groove base makes up to 95%, and preferably up to 85%, of the groove base of the receptacle, i.e., the area of ​​the receptacle, and is preferably located between the essentially parallel recesses. The area of ​​the recess accordingly comprises only 5% to 15% of the groove base.

[0018] In a further preferred embodiment, the recesses form contact surfaces for the outer walls on their side facing away from the bottom of the drawer. The recesses, which run essentially parallel to one another, can serve as contact surfaces, but further recesses can also be provided which additionally or exclusively form contact surfaces for the outer wall. The further recesses are preferably arranged between the recesses, which run essentially parallel to one another. The further recesses are preferably distributed in sections along the groove base. In particular, the further recesses are designed as bridges or embossments in the direction of the outer wall. Optionally, the further recesses, for example embossments, protrude further from the groove base than the recesses running parallel to one another.In the direction perpendicular to the pull-out direction of the drawer and substantially parallel to the bottom of the drawer, the side frames at their thickest point above the receptacle each preferably have a width of 7 mm to 14 mm, preferably of 10 mm to 13.5 mm and even more preferably of less than 12 mm in order to be particularly space- and resource-saving.

[0019] For particularly easy handling, the surface weight of the side frames is preferably less than 14 kg / m 2 and particularly preferably less than 13 kg / m 2 and more preferably less than 12 kg / m 2 . The weight per unit area is preferably calculated based on the area of ​​the side frames, which corresponds to their longitudinal extent, which is the length of the side frames in the direction of extension of the drawer, times their total height.

[0020] Preferably, the at least one support comprises a plate-shaped main section which runs offset from the holding section in the insertion direction of the base by means of a contour and which is arranged in particular in the height direction of the side frames next to the receptacle, so that the holding section is arranged on one side of the contour and the main section on the other side of the contour.

[0021] In one embodiment, the at least one support of the side frames can also comprise at least one support element that is positively connected to the plate-shaped main section, so that a force acting on the main section can be transmitted to the inner wall via the support element. This allows the side frames to be dimensionally stable even in the upper area and prevents the supports from undesired impact against the inner wall.

[0022] Preferably, the outer wall is essentially plate-shaped and has a fastening section in the upper region designed as a bearing means, by means of which it is positively connected to an upper part of the inner wall of the respective side frame, such that the outer wall can be mounted in the upper region without further connecting means. Particularly preferably, the outer wall in each case has a curved fastening section designed as a bearing means, which deviates in particular from a substantial plate shape, which accordingly makes up the majority of the outer wall in the vertical direction of the side frames. The outer wall is thus positively fastened to the inner wall. For this purpose, the inner wall has a matching fastening section designed as a bearing means at its upper end section. This leads to a particularly simple connection of the outer and inner walls of the side frames in the upper region.For example, the outer wall and the inner wall have a U-shaped cross-section in the curved section, so that the U-shaped sections are placed on top of each other in a form-fitting manner for fastening the wall elements to each other.

[0023] In a particularly preferred embodiment, the inner wall also has an integrally formed extension below the receptacles for particularly simple installation of a pull-out guide, to which, for example, a rail of a pull-out guide can be fixed or to which a connecting device for fixing a pull-out guide is arranged.

[0024] In a further preferred embodiment, the outer wall is fastened to the receptacle or extension of the inner wall, in particular to the lower groove cheek, by means of clinching and / or welding. Arranging the support on the inner wall and thus between the inner and outer walls, i.e., within the cavity of the side frames, also makes it possible to design the side frames in a particularly visually appealing manner while increasing stability and facilitating particularly simple assembly. In the lower area, the outer wall has, in particular, an angled section, which is preferably fastened to the lower groove cheek.

[0025] In an optional embodiment, the retaining section and / or the outer wall are each attached to the inner wall mount in such a way that the same, particularly reliable connection type can be used to secure all three components. Preferably, the connection type is clinching, whereby the joint connection is created solely by forming the respective sheet metal pair.

[0026] Preferably, the extension has a connecting device for securing it to a rail of a drawer slide, allowing it to be conveniently and easily attached to the respective side frame. This also allows for a concealed guide to be installed, creating a visually appealing appearance for the side frames.

[0027] Preferably, a base part of the support comprising the main section has a wall thickness of 0.6 mm to 1.6 mm, whereby the support can preferably support the respective inner wall of the side frames. Further components, which are designed in particular as connecting devices, are arranged on the base part of at least one support. The support therefore forms an assembly that is overall wider than the wall thickness of the base part.

[0028] The at least one support element can, in particular, have a substantially U-shaped section to make the support element dimensionally stable, and can encompass at least one side of the support, in particular the main section, to establish the positive connection. In a further embodiment, the at least one support element preferably has at least one projection, via which a force acting on the respective outer wall of the side frames can be transferred to the support. This allows the stability of the outer wall to be particularly high.

[0029] In a particularly preferred embodiment of the present invention, each side frame comprises at least two supports, each having a connecting device. A front panel is attached to the connecting device of one support, and a rear panel of a drawer is attached to the connecting device of the other support.

[0030] The floor may optionally be secured by nails, tenons, screw fastenings and / or floor claws, as known in the art.

[0031] In particular, the inner wall of the side frames can be arranged and / or attached to the preferably plate-shaped base of the drawer, so that the inner wall of the side frames is arranged substantially perpendicular to the base. The base is preferably inserted into the respective receptacle of the side frames and rests against the stop surface in a substantially gap-free manner.

[0032] Preferably, the front panel is releasably held by means of an adapter or a front panel adapter on the main sections of a first of the at least one support on each side frame. The front panel adapters are fastened to the side frames with the front panel after insertion into the connecting devices, so that the front panel can be easily adjusted or readjusted. The adjusting means can be provided on the connecting device on the supports. Alternatively or additionally, adjusting means can be provided on the front panel adapter. The adjusting means on the front panel adapter and / or on the main sections or the support can adjust the front panel relative to the respective side frame. The rear wall is preferably held by means of connecting devices arranged on the main sections of a second support of the side frames.The connection can be detachable. The back panel is attached to the side frames after being inserted into the connecting devices, so that the back panel is positionally stable and non-adjustable relative to the side frames. Adjustment means can be provided on the back panel and / or on the main sections to adjust the drawer relative to a pull-out guide. The adjustment means on the back panel and / or on the main section are independent of the back panel connection, so that adjusting the adjustment means does not affect the position of the back panel relative to the side frames. The adjustment means can be provided on the connecting device on the second support. Alternatively and / or additionally, adjustment means can be provided on the back panel.

[0033] For simple production of drawers that are as stable as possible, the present invention also relates to a method for producing a drawer, which method comprises the following steps: a. Positioning at least one support on one of two inner walls, each of which has a groove-shaped receptacle for a base of the drawer, which is channel-shaped and has two essentially horizontal groove cheeks, between which an essentially vertical groove base is arranged; b. Inserting, in particular inserting and pivoting, at least one holding section of the respective support in order to arrange the at least one support in a form-fitting manner on the respective inner wall; c.Fastening the at least one holding section by means of clinching or welding to a stop surface of the receptacles for each end face of the base, which in each case protrudes from at least one recess to each end face of the base, on a side facing away from a groove base of the receptacles; d. Forming two side frames by form-fitting and / or force-fitting fastening of one outer wall to one of the inner walls; e. Mounting the two side frames, a front panel and a rear wall to the base such that they form an interior of the drawer that is open at the top and closed at the bottom by the base.

[0034] Preferably, both side frames are formed using steps a to d. For the clinching, a bolt without a cylindrical cross-section is used.

[0035] Preferably, the method further comprises the following steps: f. Forming at least one recess in at least one of the at least one depression; g. Arranging the respective carrier and / or the holding section in the at least one recess.

[0036] The present invention is explained in more detail below with reference to several drawings. They show:

[0037] Fig. 1 a is an isometric view of a drawer according to the invention,

[0038] Fig. 1 b View of an inner wall of a side frame of the drawer from Fig. 1 a,

[0039] Fig. 2a to 2h several views of the side frame from Fig. 1 a,

[0040] Fig. 3a to 3d several views of a carrier from Fig. 1 b,

[0041] Fig. 4 is an exploded view of the carrier from Fig. 3a,

[0042] Fig. 5a and 5b several views of the inner wall of the side frame from Fig. 2a,

[0043] Fig. 6a to 6d several views of a carrier from Fig. 5a,

[0044] Fig. 7 is an exploded view of the carrier from Fig. 6a,

[0045] Fig. 8a to 8c several views of the inner wall with the support from Fig. 3a and the support from Fig. 6a,

[0046] Fig. 9a and 9b are enlarged views of a portion of the inner wall of Fig. 8a, Fig. 10a to 10c are views of a drawer according to the invention without a front panel,

[0047] Fig. 11 a and 11 b show several views of an inner wall of a drawer according to the invention according to a further embodiment,

[0048] Fig. 12a to 12d several views of a carrier from Fig. 11 a,

[0049] Fig. 13 is an exploded view of the carrier from Fig. 12a,

[0050] Fig. 14a to 14g show steps of a method according to the invention for producing a drawer, and

[0051] Fig. 15a and 15b systematic views of the drawer from Fig. 1a without front panel and without rear panel.

[0052] Fig. 1a shows a drawer 2 according to the invention, comprising a base 4, a front panel 3, two side frames 1, and a rear wall 5, which form an interior of the drawer 2 that is open at the top and closed at the bottom by the base 4. The side frames 1 each have an inner wall 11 and an outer wall 12. The side frames 1 can be mirror-symmetrical to one another. The inner walls 11 can optionally each have an opening concealed by a cover 71.

[0053] Fig. 1b shows an inner wall 11 of the side frame 1 of the drawer 2 from Fig. 1a, which is arranged on the left in Fig. 1a as viewed from the front panel 3 of the drawer to the rear wall 5. The inner wall 11 has an integrally formed groove-shaped receptacle 114 for the base 4 (not shown here) of the drawer 2 from Fig. 1a. The receptacle 114 is channel-shaped and has two essentially horizontal groove cheeks 1151 and 1152, between which an essentially vertical groove base 115 is arranged. The groove base 115 comprises a stop surface 116 which projects towards an end face of the base 4, or towards the opening of the receptacle 114 into which the base 4 is inserted in Fig. 1a. The groove base 115 comprises at least one recess 117, wherein at least two recesses 117 arranged parallel to one another, or two recesses 117 partially interrupted by recesses 118, are formed here.The stop surface 116 is arranged between the recesses 117 which run parallel to one another.

[0054] A support 13 is arranged on the side frame 1 and has a holding section 131 formed with two legs and a plate-shaped main section 133 offset by a contour 134. A support means 132 is placed on the main section 133, by means of which a force can be transmitted from the inner wall 11 to the support 13 or vice versa. The recesses 117 have, in an upper region of the groove base 115 according to the drawing, a plurality of cutouts 118 in which the holding section 131 of the support 13 is arranged. The holding section 131 is fastened to the side of the stop surface 116 facing away from the groove base 115 and thus from the floor 4 of the drawer 2.

[0055] In the illustrated case, clinched connections are provided for fastening the holding section 131 to the stop surface 116. The holding sections 131 each have at least one connection per leg of the holding section 131. However, more or fewer such clinched connections or, alternatively, welds can be used. The holding section 131 can also have only one leg.

[0056] As can be seen in Fig. 1 b, the inner wall 11 has, on one side of the receptacle 114, which is arranged at the bottom in the drawing, below the receptacle 114, an integrally formed extension 119 for a (not shown) connecting device 1191 for a pull-out guide of the drawer 2 from Fig. 1 a.

[0057] Furthermore, an opening 7 is provided in the inner wall 11. This opening 7 allows the support 13 and any adjustment or release elements to be operated from the interior of the drawer 2 when the side frame 1 is installed. Optionally, this opening 7 can be concealed by a cover 71.

[0058] Fig. 2a shows a view of the side frame 1 of the drawer 2 from Fig. 1a, arranged on the left as viewed from the front panel 3 of the drawer to the rear wall 5, in a top view of the receptacle 114 in the direction from the inner wall 11 to the outer wall 12 and the support 13. The support 13 is visible through an optional opening 7 in the inner wall 11, which corresponds to the optional opening with the cover 71 from Fig. 1a. A surface weight of the side frames 1 according to all illustrated embodiments is preferably less than 14 kg / m 2 and more preferably less than 13 kg / m 2, wherein the surface weight is calculated based on an area of ​​the side frames 1 which corresponds to their longitudinal extent L or the frame length L, which corresponds to a length of the side frames 1 in the pull-out direction of the drawer 2 from Fig. 1 a, times their frame height H, as marked in Fig. 2a.

[0059] Fig. 2b shows the cross-section A of the side frame 1 marked in Fig. 2a with the inner wall 11, which is fastened to the outer wall 12 in the upper area, as shown in the figure. The inner wall 11 and the outer wall 12 form a cavity of the side frame 1. Fig. 2b also shows a force accumulator 14 on the support 13, which is arranged within the cavity of the side frame 1, with the aid of which the connecting device 141 on the support 13 locks the front panel 3 (not visible in Fig. 1a) to the side frame 1. The support element 132 is placed positively on the main section 133.

[0060] The support 13 is arranged between the inner wall 11 and the outer wall 12, i.e. in the cavity of the side frame 1. The holding section 131 of the support 13 is fastened on the side facing away from the groove base 115 by clinching to the opposite side of the stop surface 116. The side frame 1 is fastened to the base 4 of the drawer 2 from Fig. 1a via the receptacle 114. For this purpose, the base 4 (not shown in this figure) is inserted / pushed into the receptacle 114 and rests against the stop surface 116 without a gap. The outer wall 12 rests at least partially against the recesses 117 of the groove base 115 of the inner wall 11.

[0061] The outer wall 12 is essentially plate-shaped and has in the upper region a fastening section 121 designed as a bearing means, by means of which it is fastened to a corresponding fastening section 111 of the inner wall 11.

[0062] Fig. 2c shows the area of ​​the inner wall 11 which comprises the stop surface 116. As can be seen, the groove base 115 has at least two recesses 117, with the carrier 13 having the contour 134. The holding section 131 extends through the recesses 118 in at least one, here the upper, of the recesses 117 and rests essentially gap-free on the side facing away from the groove base 115, i.e., the rear side of the stop surface 116. Fig. 2c shows, on an enlarged scale, that the holding section 131 is connected to the groove base 115 by means of clinching or pressure joining. For the clinching process, a pin with a cross-sectional contour that deviates from a circular shape is preferably used in order to provide anti-twist protection for the connection. Alternatively or additionally, a weld can also be used for fastening.The outer wall 12 is supported on the recesses 117 of the groove base 115, so that the recesses 117 and the recess 118 form a space for the holding section 131 between the inner wall 11 and the outer wall 12.

[0063] Both Fig. 2b and Fig. 2c show that the recesses 117 have a U-shaped cross-section. A first leg of the U-shape merges into the stop surface 116, and a second leg of the U-shape merges into the groove cheeks 1151 or 1152, which run essentially perpendicular to the stop surface 116. A bottom of the recesses 117, i.e., the arc of the U-shape, is optionally slightly flattened so that the outer wall 12 rests flush / flat against the recesses 117.

[0064] Fig. 2d shows cross-section B of the side frame 1 from Fig. 2a. A second support 15, which has a stepped contour 154, is arranged in the cavity of the side frame 1. The support 15 is supported on the groove cheek 1151 of the receptacle 114 by means of the contour 154. A main section 153 is formed on a side of the contour 154 arranged above the receptacle 114, and a holding section 151 of the second support 15 is formed on the side of the contour 154 arranged here to the left of the receptacle 114. In Fig. 1a, the rear wall 5 of the drawer 2 is fastened to the second support 15. The outer wall 12 is fastened to the groove cheek 1152 of the receptacle 114 of the inner wall 11 by clinching and / or welding.

[0065] In the perpendicular direction to the outer wall 12, in particular to its essential, i.e. largest, plate-shaped section, the side frame 1 above the receptacle 114 has a width of 7 mm to 14 mm, preferably of 10 mm to 13.5 mm and even more preferably of less than 12 mm. The inner wall 11 preferably has a wall thickness of 0.6 mm to 1 mm and the outer wall preferably has a wall thickness of 0.4 mm to 0.8 mm. The support 13 and / or the second support 15, or optionally also at least one further support not shown here, optionally has a wall thickness of 0.6 mm to 1.6 mm.

[0066] Fig. 2e shows an area of ​​the side frame 1 from Fig. 2a, in which the inner wall

[0067] II and the outer wall 12 are connected to each other in a form-fitting and / or force-fitting manner by means of the two fastening sections 111, 121.

[0068] The inner wall 11 has, as shown in Fig. 2e, the fastening section

[0069] III, which is arranged in a form-fitting manner in the fastening section 121 of the outer wall 12. The fastening sections 111, 121 are each formed by bent sections of the otherwise largely plate-shaped inner wall 11 and outer wall 12.

[0070] To fix the inner wall 11 to the outer wall 12, the inner wall

[0071] II optionally has at least one clamping means 112, by means of which a frictional connection is established between the inner wall 11 and the outer wall 12 within the fastening section 121 of the outer wall 12. The at least one clamping means 112 is formed in the fastening section 111 of the inner wall 11. In this example, the clamping means 112 is a

[0072] III exposed portion which creates a clamping effect on the fastening portion 121 of the outer wall 12.

[0073] Fig. 2f shows a side view of the inner wall 11 from Fig. 2d, showing an enlarged portion of the second support 15, which is arranged at a right end of the inner wall 11 corresponding to Fig. 2a. The support 15 has two support means 132, which are arranged in a form-fitting manner on the main section 151 and, in particular, are plugged onto it.

[0074] Fig. 2g shows a cross-section C of the side frame 1 from Fig. 2a, which also shows the second support 15, not visible in Fig. 2a.

[0075] Fig. 2h shows the area of ​​the carrier 15 and in particular the arrangement of the holding section 151 in the area of ​​the groove base 115 from Fig. 2g. The arrangement corresponds functionally essentially to the arrangement of the holding section 131 from Fig. 2c. However, the holding section 151 here comprises only one leg, which is arranged in a recess 118 in the area of ​​the depressions 117 of the groove base 115, so that the holding section 151 and the rear side of the stop surface 116 facing away from the groove base 115 abut one another essentially without a gap.

[0076] 3a to 3d show several views of the support 13 from the previous Figures 1a to 2c. The support 13 comprises the holding section 131 and the plate-shaped main section 133. The support means 132, which has a U-shaped section and a projection, is plugged onto the main section 133. This is shown in Fig. 3c from the side of the support 13. The plate-shaped main section 133 optionally has receptacles and markings that can simplify the disassembly and adjustment of the front panel of the drawer 2 from Fig. 1a for a user. Further elements of the connecting device 141 are arranged on the main section 133. The connecting device 141 comprises at least one gripping means and a force accumulator 14. The gripping means, not shown here, is covered by a cover plate 1331. Parts of the further elements of the connecting device 141 can be made of sheet metal. As shown in Fig.As shown in Fig. 3d, the cover plate 1331 rests on the main section 133 in some areas, and in other areas an intermediate space is encompassed by the cover plate 1331 and the main section 133. The holding section 131 is formed, as shown in the figure, via the contour 134 below the main section 133, which carries further elements of the connecting device 141, so that the plate-shaped main section 133 is formed as shown in Fig. 3a. Alternatively, the main section 133 can also be formed from only one largely plate-shaped part. Fig. 3d shows a plan view of the carrier 13 from above. The contour 134 of the carrier is formed between the holding section 131 and the main section 133 and is particularly visible in Figs. 3c and 3d.

[0077] Fig. 4 shows an exploded view of the carrier 13. The support element 132 is attached to the main section 133 or to a plate-shaped component forming part of the main section 133 in the region of a recess with a web (not visible) within the LI shape of the support element 132. As a result, it is positively connected to the main section 133 by means of the U-shaped section.

[0078] Fig. 5a shows an isometric view of the inner wall 11 with the second support 15, which is arranged in one of the recesses 118 in one of the depressions 117 of the receptacle 114. In Fig. 5b, the arrangement of the second support 15 in the fastening section 111 of the inner wall 11 is shown enlarged, wherein a positive connection consisting of an engagement contour 155 from a depression of the fastening section 111 and a cutout, which is a counter-contour 156, from the main section 153 secures the support 15 against twisting in and / or against the extension direction of the drawer 2 from Fig. 1a.

[0079] 6a to 6d show several views of the second carrier 15, which comprises a holding section 151 and a main section 153 formed on the other side of a contour 154, on which main section 153 two support means 132 are arranged in a form-fitting manner. The contour 154 is optionally more strongly formed on the second carrier 15 than the contour 134 on the first carrier 13 from Fig. 1b, so that it forms the step which, according to Fig. 2c, rests on the upper groove cheek 1151. In the upper region, the main section 153 has the cutout 156. The views correspond to the views of the first carrier 13 from Figs. 3a to 3d. Fig. 7 shows an exploded view of the carrier 15. The two support means are arranged on the main section 153 of the second carrier 15, corresponding to the support means 132 from Fig. 4.

[0080] Fig. 8a shows a further embodiment of the present invention, which essentially corresponds to the previous illustrations, wherein here both the support 13 for the front panel 3 and the second support 15 for the rear wall 5 of the drawer from Fig. 1a are shown on the inner wall 11. The supports 13 and 15 are arranged at opposite ends of the inner wall 11. The support 13 has the energy accumulator 14 for the connecting device 141 for mounting the front panel 3 from Fig. 1a. The second support 15 also has a connecting device 143. The connecting device 143 differs from the connecting device 141 in that it is designed for fastening the rear wall 5. Part of the connecting device 143 is formed here by a spring element. The spring element is designed as a spring clip 157, wherein the leg ends are guided in guides 158 of the support 15.Alternatively, the connecting device 143 on the carrier can also be formed by a locking system or an alternative type of connection for the rear wall.

[0081] Fig. 8b shows an enlarged view of the carrier 13 from Fig. 8a, showing the area of ​​the holding section 131, which comprises the two legs adjacent to or below the contour 134, which are arranged in two recesses 118 in the at least one depression 117 and which are arranged on the rear side of the stop surface 116 of the groove base 115. An enlarged view of the inner wall 11, which corresponds to a section of the inner wall 11 located above the section marked in Fig. 8a, is shown in Fig. 8c.

[0082] Fig. 9a and 9b each show an enlarged view of the second support 15 from Fig. 8a, which is arranged on the inner wall 11. The arrangement of the first support 13 corresponds essentially to the illustration in Fig. 1a, and that of the second support 15 corresponds essentially to the illustration in Fig. 5a.

[0083] Fig. 10a shows a plan view of the rear wall 5 of the drawer 2 according to the invention from Fig. 1a, wherein the two side frames 1 are mounted on the base 4 of the drawer 2. The front panel 3 of the drawer 2 is not shown in Fig. 10a. The drawer 2 has two connecting devices 1191 for fixing to a respective rail of a pull-out guide for the drawer 2. Here, the connecting devices 1191 are arranged on the side frame 1. Alternatively, it is also possible to arrange the connecting device 1191 on the base 4 and / or on the front panel 3. In each case, one end face 41, 42 of the base 4 is arranged in the receptacles 114 of the inner walls 11 of the side frames 1.

[0084] As can be seen in Fig. 10b in an enlarged view of the left side frame 1 from Fig. 10a, the bottom 4 of the drawer is inserted into the receptacle 114 of the side frame 1 such that the end face 41 of the bottom 4 rests against the stop surface 116 essentially without a gap. Otherwise, the illustration essentially corresponds to Fig. 2a. The inner wall 11 and the holding section 131 are fastened to one another by clinching.

[0085] Fig. 10c shows an enlarged view of the side frame 1 from Fig. 10b in an upper section of the side frame 1 corresponding to the illustration. The inner wall 11 and the outer wall 12 are connected to one another in this upper region by means of the fastening sections 111 and 121. A frictional connection between the inner wall 11 and the outer wall 12 is established by means of the clamping means 112 formed on the fastening section 111 within the fastening section 121. The support means 132 arranged on the main section 133 rests against the outer wall 12 by means of a protruding projection 1321.

[0086] 11 a and 11 b each show views of a further embodiment of an alternative inner wall 11 'of a side frame 1 of the drawer 2 according to the invention. A support 16 which essentially corresponds to the support 13 from Fig. 1 b is fastened to the inner wall 11 '. A groove-shaped receptacle 114 for the (not shown) base of the drawer, which receptacle essentially corresponds to Fig. 1 b, is integrally formed on the inner wall 11. The receptacle 114 has two essentially horizontal groove cheeks 115 1, 115 2, between which the groove base 115 is arranged, which comprises a stop surface 116. The stop surface 116 is arranged between, here at least two, parallel recesses 117.The depressions 117 have, in an upper region of the groove base 115 as shown in the drawing, a plurality of cutouts 118 in which the holding section 161 of the carrier 16 is arranged, which also has a contour 164 and a plate-shaped main section 163, like the carrier 13 in Fig. 1 b. The inner wall 1T also has an integral extension 119 which essentially corresponds to the extension 119 of the preceding inner wall 11. The carrier 16 has two receptacles for support means 132 to be mounted. In the upper region of the carrier 16, a counter-contour 166 is formed which engages in an engagement contour 165 of the fastening section 111. For this purpose, the fastening section 111 is designed differently in the region of the carrier 16. Here, the engagement contour 165 is formed by a clearance and an impression in the fastening section 111.The engagement contour 165 and the counter-contour 166 of the support 16 form a connection in an upper region of the inner wall 1T and thus prevent twisting in the longitudinal extension L. The counter-contour 166 encompasses the engagement contour 165 in the fastening section 111.

[0087] The carrier 16 is attached to the groove base 115 of the receptacle 114 by means of clinching or welding. Two clinching joints are used here, but more or fewer connections may also be used.

[0088] In addition, the counter contour 166 secures the support 16 against twisting in the drawer extension direction by means of a positive fit with the engagement contour 165 of the fastening section 111, as can be seen in Fig. 11 b. An outer wall, not shown in the figure, is also attached to the inner wall 1T in Fig. 11 a.

[0089] Fig. 12a to 12d show several views of the carrier 16 from the preceding Fig. 11a and 11b. The carrier 16 has a counter contour 166, by means of which the positive connection with the engagement contour 165 from Fig. 11b is established. The carrier 16 comprises, like the carrier 13 from Fig. 3a, the holding section 161 and the main section 163, onto which, however, two support means 132 are attached. This is shown in Fig. 12c from the side of the carrier 16. Otherwise, the carrier 16 essentially corresponds to the carrier 13 from Fig. 3a and merely has a slightly different shape and / or dimensions.

[0090] Fig. 13 shows an exploded view of the carrier 16 with part of the connecting device 141. The carrier 16 essentially consists of a plate-shaped component made of sheet metal. The cover plate 1631 forms part of the connecting device 141, and the support means 132 are positively attached to one of these two components, as described in relation to Fig. 4. In this embodiment, the counter contour 166 is arranged on the cover plate 1631. The other elements of the connecting device 141 are not shown here. The carrier 16 also forms part of the connecting device 141 here. This can be seen, for example, from the markings for the direction of adjustment or for the locking state on the main section 163.

[0091] 14a to 14g show steps of a method according to the invention for producing the inner wall 11' with a support 16. Fig. 14a to 14c show how the support 16 is positioned, i.e. applied, in the region of the fastening section 111 on the inner wall 1T, which corresponds to the previously described inner wall 1T, so that the upper region of the main section 163 engages in the bent section, i.e. at the edge of the fastening section 111. Fig. 14d shows this in an enlarged view. In Fig. 14d it can also be seen that the support means 132 mounted on the support 16 engages in the fastening section 111. The counter contour 166 is not yet in engagement with the engagement contour 165 in this illustration.

[0092] According to the illustration of Fig. 14c and Fig. 14d up to Fig. 14g, in the next step the support 16 is pivoted with its upper region on the fastening section 111 so that it is held in a form-fitting manner in the inner wall 1T.

[0093] Fig. 14e shows the carrier 16, whose holding section 161 is secured below the contour 164 to the stop surface 116 of the receptacle 114 by means of clinching. The holding section 161 extends through at least one recess 118 in the depression 117.

[0094] Fig. 14f shows an enlarged view of how the support 16 is arranged in the fastening section 111 on the inner wall 1T via a support means 132 connected to the main section 163. Fig. 14g shows the mounted support 16 on the inner wall 1T. Subsequently, at the opposite end of the side frame 1, another support is mounted in the same way, with its holding section extending through the free recess 118. In a further step, an outer wall 12 (not shown) is arranged on the inner wall 1T to form the side frame 1. A rear wall 5 of the drawer and a base 4 of the drawer are mounted on the side frames thus produced. In a subsequent step, the front panel 3 is mounted at least on the side frames 1, so that an interior of a drawer is formed which is open at the top and closed at the bottom by the base 4. The drawer thus produced essentially corresponds to the drawer 2 from Fig. 1a.

[0095] Fig. 15a shows a systematic view of a drawer 2 without a rear wall 5 and without a front panel 3 of the drawer 2 from Fig. 1a, which has two side frames 1 and corresponds to the drawer 2 from Fig. 10a. A support is not shown here. The bottom 4 of the drawer is inserted into the receptacle 114, so that the end face 41, 42 of the bottom 4 rests against the stop surface 116 essentially without a gap.

[0096] Fig. 15b shows that the outer wall 12 is supported on the recesses 117 of the groove base 115, so that an intermediate space is formed in which there is space for the holding section 131 of the carrier 13 and the holding section 151 of the carrier 15.

[0097] List of reference symbols:

[0098] 1 side frame

[0099] 11 Interior wall

[0100] 111 Fastening section

[0101] 112 clamping devices

[0102] 113 Recess

[0103] 114 recording

[0104] 115 groove base

[0105] 1151 Groove cheek

[0106] 1152 Groove cheek

[0107] 116 Stop surface

[0108] 117 Deepening

[0109] 118 recess

[0110] 119 Extension

[0111] 1191 connecting device

[0112] 12 exterior wall

[0113] 121 fastening section

[0114] 13 carriers

[0115] 131 stopping section

[0116] 132 proppant

[0117] 1321 lead

[0118] 133 Main section

[0119] 1331 cover plate

[0120] 134 Contour

[0121] 14 energy storage

[0122] 141 Connecting device

[0123] 143 Connecting device

[0124] 15 carriers

[0125] 151 stopping section

[0126] 153 Main section

[0127] 154 Contour

[0128] 155 engagement contour

[0129] 156 Counter contour

[0130] 157 spring clip

[0131] 158 Guide 16 Beam 161 Holding section 162 Support means

[0132] 163 Main section 1631 Cover plate

[0133] 164 Contour 165 Engagement contour 166 Counter contour 2 Drawer

[0134] 3 Front panel

[0135] 4 Floor 41 Front 42 Front 5 Rear

[0136] 7 Opening 71 Cover

[0137] 1T interior wall

[0138] L Length H Height

Claims

Claims 1 . Drawer (2) with a base (4), a front panel (3), two side frames (1) and a rear wall (5), which form an interior of the drawer (2) that is open at the top and closed at the bottom by the base (4), wherein the side frames (1) each have a one-piece inner wall (11, 11') with an integrally formed groove-shaped receptacle (114) for the base (4) of the drawer (2), wherein the receptacle (114) is channel-shaped and has two essentially horizontal groove cheeks (1151, 1152), between which an essentially vertical groove base (115) is arranged, wherein the side frames (1) further each comprise an outer wall (12) mounted on the inner wall (11, 11'), wherein the inner wall (11, 11') and the outer wall (12) surround a cavity of the side frames (1), and each have at least a carrier (13, 15, 16) in the cavity, which comprises a holding section (131, 151, 161), characterized in thatthat the groove base (115) has a stop surface (116) for an end face (41, 42) of the base (4), which protrudes from at least one recess (117) to one of the end faces (41, 42) of the base (4), wherein the holding section (131, 151, 161) is fastened to the stop surface (116) on the side facing away from the groove base (115), and that at least one of the at least one recess (117) of the groove base (115) each bears at least partially against the separate outer wall (12).

2. Drawer (2) according to claim 1, characterized in that the holding section (131, 151, 161) is arranged adjacent to the at least one recess (117).

3. Drawer (2) according to claim 1 or 2, characterized in that at least one of the at least one recess (117) has at least one cutout (118) per support (13, 15, 16), which is in each case penetrated by the at least one support (13, 15, 16).

4. Drawer (2) according to one of the preceding claims, characterized in that the outer wall (12) has a smaller wall thickness than the inner walls (11, 1 T).

5. Drawer (2) according to one of the preceding claims, characterized in that the inner wall (11, 1 T) has a wall thickness of 0.6 mm to 1 mm and the outer wall (12) each has a wall thickness of 0.4 mm to 0.8 mm.

6. Drawer (2) according to one of the preceding claims, characterized in that the at least one recess (117) runs at least partially along the groove base (115) substantially parallel to a pull-out direction of the drawer (2).

7. Drawer (2) according to one of the preceding claims, characterized in that the receptacle (114) has at least two recesses (117) running substantially parallel to one another.

8. Drawer (2) according to claim 7, characterized in that the recesses (117) running substantially parallel to one another have an I-shaped cross-section, wherein a first leg of the LI shape merges into the stop surface (116) and a second leg of the LI shape merges into the groove cheeks (1151, 1152) of the groove-shaped receptacle (114).

9. Drawer (2) according to one of the preceding claims, characterized in that the stop surface (116) makes up to 95% and preferably up to 85% of the groove base (115) of the receptacle (114).

10. Drawer (2) according to one of the preceding claims, characterized in that the side frames (1) in the direction perpendicular to the pull-out direction of the drawer (2) at their thickest point above the receptacle (114) each preferably have a width of 7 mm to 14 mm, preferably of 10 mm to 13.5 mm and even more preferably of less than 12 mm.

11. Drawer (2) according to one of the preceding claims, characterized in that a surface weight of the side frames (1) is preferably less than 14 kg / m 2 and more preferably less than 13 kg / m 2 amounts.

12. Drawer (2) according to one of the preceding claims, characterized in that the outer wall (12) is in each case substantially plate-shaped and has a fastening section (121) by means of which it is positively connected to the inner wall (11).

13. Drawer (2) according to one of the preceding claims, characterized in that the inner wall (11, 11') has an integrally formed extension (119) below the receptacles (114).

14. Drawer (2) according to one of the preceding claims, characterized in that the outer wall (12) is fastened to the receptacle (114) or the extension (119) of the inner wall (11, 1 T).

15. Drawer (2) according to claim 13 or 14, characterized in that the inner wall (11) on the extension (119) has a connecting device (1191) for fixing to a rail of a pull-out guide.

16. Drawer (2) according to one of the preceding claims, characterized in that each support (13, 15, 16) is part of a connecting device (141, 142) for connection to a front panel (3) or a rear wall (5).

17. A method for producing a drawer (2), comprising the following steps: a. positioning at least one support (13, 15, 16) on each of two one-piece inner walls (11, 11'), each having an integrally formed groove-shaped receptacle (114) for a base (4) of the drawer (2), which is channel-shaped and has two essentially horizontal groove cheeks (1151, 1152) between which an essentially vertical groove base (115) is arranged; b. inserting at least one holding section (131, 151, 161) of the respective support (13, 15, 16) in order to arrange the at least one support (13, 15) on the respective inner wall (11, 11'); c.Fastening the at least one holding section (131, 151, 161) by means of clinching or welding to a stop surface (116) of the receptacles (114) for a respective end face (41, 42) of the base, which stop surface protrudes from at least one recess (117) to a respective end face (41, 42) of the base, on a side facing away from a respective groove base (115) of the receptacles (114);. d. Forming two side frames (1) by positively and / or non-positively fastening one outer wall (12) to one of the inner walls (11, 11'); e. Mounting the two side frames (1), a front panel (3) and a rear wall (5) to the base (4) so ​​that they form an interior of the drawer (2) that is open at the top and closed at the bottom by the base (4).

18. The method according to claim 17, characterized in that it comprises the following steps: f. Forming at least one recess (118) in at least one of the at least one depression (117); g. Arranging the respective carrier (13, 15, 16) and / or the holding section (131, 151, 161) in the at least one recess (118).

Images