DE102021131826A1 - Device for rotational and translational movement - Google Patents

Abstract

A device for rotational and translational movement has a carrier plate (3) and a shelf (2) that is mounted so that it can be moved rotationally and translationally relative to the carrier plate (3), wherein on at least one of the mutually facing bearing surfaces (21, 31) of the carrier plate (3) and the shelf (2) is fixed with at least one guide element, wherein the at least one guide element is shaped in such a way that the shelf (2) relative to the carrier plate (3) is at least partially positively guided in one of two possible opposite directions of rotation (R1, R2) and can be rotated and is displaceable in a predetermined translation direction (A), wherein the at least one guide element is designed as a molded part (4) with control edges (42, 43), along which rolling elements (6 ) are led.

Description

The present invention relates to a device for rotational and translational movement according to the preamble of claim 1.

A generic device is for example from DE 10 2017 106 170 A1 or the WO 2021/001395 A1 known.

The devices described there enable a simultaneous rotational and translational movement of a tray relative to a support plate using a guided movement of rolling elements, preferably balls or sliding elements, which can be guided in grooves provided for this purpose or between guide contours.

The storage devices known from these publications have proven themselves in practice.

The object of the present invention is to further reduce the manufacturing complexity and manufacturing costs for the simultaneous rotary and translatory movement and to further improve the functional reliability of the movement sequence.

This object is achieved by a device for rotary and translatory movement with the features of claim 1.

The device according to the invention has a carrier plate and a shelf that is mounted so that it can be moved in rotation and translation relative to the carrier plate.

At least one guide element is fixed on at least one of the mutually facing bearing surfaces of the carrier plate and the shelf.

The at least one guide element is shaped in such a way that the tray can be rotated relative to the carrier plate at least partially forcibly guided in one of two possible opposite directions of rotation and can be displaced in a predetermined translation direction.

The at least one guide element is designed as a molded part with control edges, along which rolling elements arranged on the other of the bearing surfaces or between the bearing surfaces are guided.

With a device designed in this way with a molded part with control edges serving as a guide element, the functional reliability of the movement sequence is further improved.

As a result, the movable shelf can advantageously be moved along interfering contours or out of a corner.

In addition, the production of such a molded part is inexpensive and its assembly on the support plate or the tray can be effected easily and inexpensively.

Advantageous variants of the invention are the subject matter of the dependent claims.

According to a preferred embodiment variant, the device is designed in such a way that a guide groove extending in a translation direction is arranged in the carrier plate.

Accordingly, a guide pin protruding into the guide groove is arranged on a bearing surface of the shelf facing the carrier plate.

As a result, the translatory direction of movement is reliably secured even with a low load on the shelf.

If the load on the shelf is sufficiently high, it is pressed against the carrier plate in such a way that the translational guidance through the guide groove and the carrier plate can also be omitted, since the translational and rotational movement is sufficient due to the molded part with control edges and the rolling elements guided along these control edges is led.

According to a further advantageous embodiment variant, the control edges of the molded part are shaped in such a way that the shelf moves further from an initial position via an intermediate position, in which the shelf is rotated relative to the carrier plate in one of two possible opposite directions of rotation and is displaced in the translation direction away from the interfering contours which can be rotated in one of two possible opposite directions of rotation and displaced opposite to the direction of translation and, when rotated by 90° in the case of a square-shaped shelf or a multiple of 90°, preferably 180° in the case of a rectangular-shaped shelf with unequal edge lengths, assumes a position congruent with the starting position.

According to a further advantageous embodiment variant, the shaped part has outer control edges formed by its outer edge for guiding the rolling elements.

In a further embodiment variant, the molded part has a window-like recess, the edge of which forms the inner control edges for guiding the rolling elements.

The molded part of the device can only have outer or inner control edges.

In a further embodiment variant, the molded part has both outer and inner control edges.

According to a further embodiment variant, at least one molded part is fastened both to the bearing surface of the shelf and to the bearing surface of the carrier plate.

In a preferred development, the molded part attached to one of the bearing surfaces has only outer control edges and the molded part attached to the other of the bearing surfaces has only inner control edges.

For this purpose, the molded part fastened to the other of the bearing surfaces preferably has a flat base body from which elevations with a closed circumferential surface protrude, the inner edges of which form the inner control edges.

In the variant in which the molded part has only inner control edges, the overlapping area of the molded part preferably corresponds to the area of the bearing surfaces.

In the embodiment variant in which the molded part has both outer and inner control edges, the molded part is preferably designed in the manner of a strip.

According to a further advantageous embodiment variant, the rolling bodies are designed as ball rollers with a cylindrical housing and a ball mounted therein.

In an advantageous development, each of the housings of the rolling elements is positioned in a fixed manner in a respective housing receptacle of one of the bearing surfaces, with a section of the respective housing protruding from the housing receptacle

According to an advantageous embodiment variant, the rolling elements are in contact with the control edges and control the rotational and translational movement of the tray along these.

In an alternative embodiment, it is also conceivable that the housings of the rolling bodies are in contact with the control edges and the balls are in contact with one of the bearing surfaces.

According to a further advantageous embodiment variant, sliding or rolling friction elements for load transfer protrude from the bearing surface of the carrier plate and/or the molded part. The arrangement of such sliding or rolling friction elements enables a more uniform load transfer of the shelf on the carrier plate in every position of the shelf relative to the carrier plate.

The rolling bodies, which are positively guided along the shaped part with control edges, mainly have a controlling function in this embodiment variant. The main load bearing of the tray and its loading is effected by the sliding or rolling friction elements, preferably in the form of ball rollers, which are introduced in a stationary manner in housing receptacles in the bearing areas of the carrier plate and the tray.

• 1 eine perspektivische Explosionsdarstellung einer ersten Ausführungsvariante einer erfindungsgemäßen Vorrichtung,
• 2 eine Draufsicht auf die Lagerfläche der Trägerplatte der in 1 gezeigten Vorrichtung,
• 3 eine Draufsicht auf die Lagerfläche der Ablage der in 1 gezeigten Vorrichtung,
• 4 eine schematische Draufsicht auf die Vorrichtung gemäß 1 im zusammengebauten Zustand,
• 5 eine Seitenschnittansicht durch entlang einer in 4 mit A bezeichneten Schnittebene,
• 6 - 10 den 1 - 5 entsprechende Darstellungen einer alternativen Ausführungsvariante einer Vorrichtung,
• 11 - 15 den 1 - 5 entsprechende Darstellungen einer weiteren alternativen Ausführungsvariante einer Vorrichtung,
• 16 eine perspektivische Explosionsdarstellung einer weiteren alternativen Ausführungsvariante einer erfindungsgemäßen Vorrichtung mit zwischen Ablage und Trägerplatte angeordnetem Wälzkörperkäfig und in diesem verliergesichert eingesetzten Wälzkörpern,
• 17 - 20 den 2 - 5 entsprechende Darstellungen der in 16 gezeigten Ausführungsvariante der Vorrichtung,
• 21 - 25 den 1 - 5 entsprechende Darstellungen einer nochmals weiteren alternativen Ausführungsvariante einer Vorrichtung,

Preferred exemplary embodiments are explained in more detail below with reference to the accompanying drawings. Show it:

• 1 a perspective exploded view of a first embodiment of a device according to the invention,
• 2 a plan view of the bearing surface of the support plate in 1 shown device,
• 3 a plan view of the bearing surface of the tray in 1 shown device,
• 4 a schematic plan view of the device according to FIG 1 in the assembled state,
• 5 a side sectional view through along an in 4 section plane marked A,
• 6 - 10 the 1 - 5 corresponding representations of an alternative embodiment of a device,
• 11 - 15 the 1 - 5 corresponding representations of a further alternative embodiment of a device,
• 16 a perspective exploded view of a further alternative embodiment of a device according to the invention with a rolling element cage arranged between the shelf and the carrier plate and with rolling elements inserted in it in a captive manner,
• 17 - 20 the 2 - 5 corresponding representations of the 16 shown variant of the device,
• 21 - 25 the 1 - 5 corresponding representations of yet another alternative embodiment of a device,

In the following description of the figures, terms such as top, bottom, left, right, front, rear, etc. refer exclusively to the exemplary representation and position of the device, tray, support plate, storage area, molded part and the like selected in the respective figures. These terms are not to be understood as limiting, ie these references can change as a result of different working positions or the mirror-symmetrical design or the like.

In the 1 until 5 a first preferred embodiment variant of a device according to the invention is shown.

The 6 until 25 show another four variants of such a device.

What all devices have in common is that they have a carrier plate 3 and a shelf 2 mounted so as to be rotatably and translationally movable relative to the carrier plate 3. The carrier plate 3 and the shelf 2 have bearing surfaces 21, 31 facing one another in the assembled state.

A guide element is arranged on one of the two bearing surfaces 21, 31.

At the other of the bearing surfaces 21, 31 are in the variants according to 1 until 15 and 21 until 25 several rolling bodies 6 that can be guided along the at least one guide element are arranged in a stationary manner.

At the in the 16 until 20 In the embodiment variants shown, the rolling elements 6 are held captive in a rolling element cage and are placed between the bearing surfaces 21 , 31 .

All illustrated embodiment variants have in common that the guide element and the rolling elements 6 enable a simultaneous rotary and translatory movement of the shelf 2 relative to the carrier plate 3 in a plane of movement parallel to the bearing surfaces 21, 31.

The guide element is shaped in such a way that the rotationally and translationally movable tray 2 can be rotated relative to the carrier plate 3 at least partially forcibly guided in one of two possible opposite directions of rotation R ₁ , R ₂ and displaced in a predetermined translation direction A.

This guide element is designed as a molded part 4 with control edges 42,43. The rolling bodies 6 are guided along these control edges 42, 43 and control the rotational and translational movement of the tray 2 along them.

At the in the 1 until 5 In the first embodiment variant shown, the support plate 3 and also the shelf 2 that can be moved in rotation and translation are designed as plates with square bearing surfaces 21, 31.

The guide element designed as a molded part 4 is fastened here on the bearing surface 31 of the carrier plate 3 . The molded part 4 has outer control edges 42 for guiding the rolling elements 6, which are formed by the outer edge of the molded part 4. These control edges 42 protrude from the bearing surface 31 of the carrier plate 3 in the direction of the bearing surface 21 of the tray 2 .

The size of the molding 4 is as in the 1 and 2 is clearly visible, dimensioned so that the molded part 4 covers a partial area of the bearing surface 31 of the support plate 3 . The molded part 4 is attached to the bearing surface 31 of the carrier plate 3 .

The arrangement of the shaped part 4 on the bearing surface 31 of the carrier plate 3 is such that the outer control edges 42 of the shaped part 4 are arranged within the bearing surface 31 delimited by an outer contour 33 of the carrier plate 3 .

The rolling elements 6 serving to guide the movement of the rotatory and translatory movable shelf 2 are stationary here in the shelf 2, protruding from the bearing surface 21 of the shelf 2, as is shown in FIGS 1 and 5 is recognizable. For this purpose, two housing receptacles 22 are placed in the bearing surface 21 of the tray, in which the rolling elements 6 are accommodated.

The rolling bodies 6 are preferably designed as ball rollers with a cylindrical housing 61 and a ball 62 mounted therein.

In this case, each of the housings 61 of the rolling elements 6 is preferably accommodated in the respective housing receptacle 22 of the bearing surface 21 of the shelf 2 . A section of the respective housing 61 protrudes from the housing receptacle 22 .

The ball 62 of the respective rolling body 6 is in contact with a respective control edge 42 of the molded part 4 and is supported at the same time on the bearing surface 31 of the carrier plate 3, particularly when the tray 2 is heavily loaded.

It is also conceivable that the housings 61 of the rolling elements 6 are in contact with the control edges 42, 43 and the balls 62 are only in contact with the respective bearing surfaces 21, 31.

For further load transfer of the shelf 2 on the support plate 3 are in the 1 until 5 shown embodiment of the bearing surface 31 of the support plate 3 and the tray 2 facing top of the molded part 4 protruding fixed sliding or rolling friction elements 5 are provided.

It is also conceivable that the balls 62 of the respective rolling element 6 are only in contact with the respective control edge 42 of the molded part 4 and the load is transferred exclusively via the sliding or rolling friction elements 5 .

In the preferred embodiment variant shown here, these sliding or rolling friction elements 5 are designed as ball rollers, which are preferably arranged symmetrically and embedded in housing receptacles 32 provided for this purpose in the carrier plate 3 .

The positioning of these sliding or rolling friction elements 5 can be very variable, since these sliding or rolling friction elements 5 do not serve to guide the movement of the rotationally and translationally movable shelf 2, but to support it on the opposite bearing surface 21 and to absorb the load.

In order to reliably control the movement guidance of tray 2 in translation direction A, particularly with lower loads, in all of the exemplary embodiments shown, a guide groove 8 extending in translation direction A is made in carrier plate 3, into which a bearing surface 21 of the Tray 2 arranged guide pin 7 protrudes.

If there is a sufficiently large load on the shelf 2, this axial securing effected by the guide groove 8 and the guide pin 7 can also be omitted.

The guide pin 7 can be slidably guided in the guide groove 8 . It is also conceivable, for example, to fix the guide pin 7 to a guide carriage on the underside of the carrier plate 3 facing away from the bearing surface 31 .

The shape of the control edges 42, 43 is formed in all of the illustrated embodiment variants in such a way that the tray 2 can be rotated from a starting position via an intermediate position in which the tray 2 is rotated relative to the carrier plate 3 in one of two possible opposite directions of rotation _R1 , _R2 and in Translation direction A is shifted further in one of two possible opposite directions of rotation R ₁ , R ₂ and can be rotated counter to the translation direction A. If the tray 2 is rotated by 90° or a multiple of 90°, the tray 2 assumes a position congruent with the starting position given the square-shaped configuration of the tray 2 shown here.

If the shelf 2 is rectangular in shape with unequal edge lengths, such a congruent position is achieved at 180° or a multiple of 180°.

The rolling bodies 6 serving to guide the movement are preferably embedded in an axially symmetrical, stationary manner in the bearing surface 21 of the shelf 2 .

In the 6 until 10 is one to the 1 until 5 alternative embodiment of such a device shown.

In this embodiment variant, the molded part 4 has a window-like recess 44, the edge of which forms inner control edges 43 for guiding part of the rolling bodies 6. Furthermore, an outer edge of the molded part forms outer control edges 42 for guiding a second part of the rolling elements 6.

The molded part 4 here has a band-shaped base body with an essentially heart-shaped shape.

The rolling bodies 6 in contact with the control edges 42 are introduced into the bearing surface 21 of the shelf 2 along a diagonal of the square shelf 2 in this embodiment variant.

The molded part 4 has both outer control edges 42 and inner control edges 43 here. The guide groove 8 is let into the support plate 3 within the window-like recess 44 of the molded part 4 and also extends along a diagonal of the support plate 3.

The band-like shape of the shaped part 4 with a heart-shaped course is aligned here such that the tip of the heart and the buckling point of the heart are also arranged on the diagonal of the carrier plate 3, along which the guide groove 8 also runs.

In addition, several sliding or rolling friction elements 5 are let into the carrier plate 3 for load absorption along these diagonals.

The sliding or rolling friction elements 5 are preferably arranged both inside and outside of the window-like recess 44 of the molded part 4 in the carrier plate 3 .

Additional sliding or rolling friction elements 5, particularly in the area of the corners of the carrier plate 3, are also provided.

At the in the 11 - 15 shown further embodiment corresponds to the structure of the shelf 2 in the 1 and 3 until 5 embodiment variant shown, with the rolling elements 6 used for guiding the movement and the guide pin 7 accommodated therein.

The shaped part 4 applied to the bearing surface 31 of the carrier plate 3 has a window-like recess 44 , the surface of the shaped part 4 coinciding with the bearing surface 31 of the carrier plate 3 .

In addition, in the area of the window-like recess 44 , the molded part 4 has housing receptacles 45 for receiving sliding or rolling friction elements 5 , which extend into the carrier plate and are congruent with housing receptacles 32 in the carrier plate 3 .

Accordingly, this molded part 4 has exclusively inner control edges 43 which are formed by the edge of the window-like recess 44 of this molded part 4 .

In addition to the sliding or rolling friction elements 5 already described in the window-like recess 44 of the molded part 4 , further sliding and rolling friction elements 5 are introduced into the supporting plate 3 over the entire bearing surface 31 of the support plate 3 .

Due to the large number of load-dissipating sliding or rolling friction elements 5, this embodiment variant is particularly suitable for shelves 2 with side edge dimensions of equal to or more than 1 meter.

It is conceivable here, in particular due to the large edge length described, to support the triggering of the translational-rotational movement by an electric motor.

At the in the 16 until 20 shown further preferred embodiment variant is fixed both on the bearing surface 21 of the shelf 2 and on the bearing surface 31 of the support plate 3, a molded part 4 of different shape.

In this variant, the rolling elements 6 serving to guide the movement are accommodated in a rolling element cage 9 which is positioned between the bearing surfaces 21 , 31 of the carrier plate 3 and the shelf 2 .

In the embodiment, the rolling elements 6 are designed as balls. However, rolls or barrels are also possible.

The molded part 4 fixed to the carrier plate 3 has only outer control edges 42 . The shape of this molded part 4 fixed to the carrier plate 3 preferably corresponds to that in 1 molded part 4 fixed to the carrier plate 3.

The fixed to the bearing surface 21 of the shelf 2 further molded part 4 has only inner control edges 43, which are formed as a flat base body 41 to the support plate 3 towards raised elevations 46 with a closed circumferential surface.

Within these elevations 46, a path with control edges for each one of the rolling bodies 6 is formed by the inner edges of the respective elevation 46, as shown in FIG 19 is shown.

The inner edges of the elevations 46 form the inner control edges 43, along which the respective rolling bodies 6 are guided to carry out the translational-rotational movement described above.

Furthermore, in this embodiment variant, sliding or rolling friction elements 5 are arranged in the bearing surface 31 of the carrier plate 3, preferably in the areas of the corners of the carrier plate 3, for load transfer.

At the in the 21 until 25 In the further advantageous embodiment of a device according to the invention shown, a molded part 4 is provided, which in this case is attached to the bearing surface 21 of the shelf 2 .

Similar to the one in the 11 until 15 The embodiment variant shown here also corresponds to the overlapping area of the molded part 4 to the area of the bearing surface 21 of the tray 2.

The recesses 44 of this molded part 4 are designed in the form of grooves here, so that the rolling bodies 6, which are accommodated in housing receptacles 32 in the bearing surface 31 of the carrier plate 3 and serve to guide the movement, are guided along the edges of the recesses 44, which are designed as inner control edges 43 and outer control edges 42.

In this embodiment variant, the recesses 44 are preferably designed as groove-shaped stampings or indentations of a one-piece molded part 4 .

Furthermore, the load-dissipating sliding or rolling friction elements 5 are also embedded in the carrier plate 3 in this embodiment variant.

The carrier plate 3 can also be designed as a part, for example as a base plate, of a storage option attached in a vehicle interior, on which the storage tray 2 is movably arranged as described above.

Reference List

2

filing

21

storage area

22

housing recording

3

backing plate

31

storage area

32

housing recording

33

outer contour

4

molding

41

body

42

outer control edge

43

inner control edge

44

recess

45

housing recording

46

elevation

5

Sliding or rolling friction element

51

ball caster

52

Bullet

6

rolling elements

61

Housing

62

Bullet

7

pilot

8th

guide groove

9

rolling element cage

A

Direction

R1

direction of rotation

R2

direction of rotation

QUOTES INCLUDED IN DESCRIPTION

This list of documents cited by the applicant was generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Patent Literature Cited

• DE 102017106170 A1 [0002]
• WO 2021/001395 A1 [0002]

Claims (16)

Device for rotational and translational movement, having - a carrier plate (3), - a shelf (2) mounted so as to be rotatably and translationally movable relative to the carrier plate (3), - wherein on at least one of the mutually facing bearing surfaces (21, 31) of the carrier plate ( 3) and the tray (2) at least one guide element is fixed, - wherein the at least one guide element is shaped such that the tray (2) relative to the support plate (3) is at least partially positively guided in one of two possible opposite directions of rotation (R ₁ , R ₂ ) is rotatable and displaceable in a predetermined translation direction (A), characterized in that - the at least one guide element is designed as a molded part (4) with control edges (42, 43) along which on the other of the bearing surfaces (21, 31 ) or rolling elements (6) arranged between the bearing surfaces are guided. device after claim 1 , characterized in that in the carrier plate (3) a guide groove (8) extending in a translation direction (A) and on a bearing surface (21) of the tray (2) facing the carrier plate (3) there is a guide groove (8) protruding Guide pin (7) is arranged. device after claim 1 or 2 , characterized in that the control edges (42, 43) of the molded part (4) are shaped in such a way that the shelf (2) moves from an initial position via an intermediate position in which the shelf (2) relative to the carrier plate (3) in one of is rotated in two possible opposite directions of rotation (R ₁ , R ₂ ) and shifted in the direction of translation (A), is further rotatable in one of two possible opposite directions of rotation (R ₁ , R ₂ ) and can be displaced counter to the direction of translation (A) and in one Twisting by 90° in the case of a square-shaped shelf (2) or a multiple of 90°, preferably 180° in the case of a rectangular-shaped shelf (2) with unequal edge lengths, assumes a position congruent with the starting position. Device according to one of the preceding claims, characterized in that the shaped part (4) has outer control edges (42) and/or inner control edges (43). Device according to one of the preceding claims, characterized in that the shaped part (4) has outer control edges (42) formed by its outer edge for guiding the rolling elements (6). Device according to one of the preceding claims, characterized in that the molded part (4) has a window-like recess (44), the edge of which forms the inner control edges (43) for guiding the rolling elements (6). Device according to one of the preceding claims, characterized in that a shaped part (4) is fastened both to the bearing surface (21) of the shelf (2) and to the bearing surface (31) of the carrier plate (3). device after claim 7 , characterized in that the molded part (4) fastened to one of the bearing surfaces (21, 31) only has outer control edges (42) and the shaped part (4) fastened to the other of the bearing surfaces (21, 31) only has inner control edges (43) having. device after claim 8 , characterized in that the molded part (4) fastened to the other of the bearing surfaces (21, 31) has a flat base body (41) from which elevations (46) with a closed circumferential surface protrude, the inner edges of which form the inner control edges (43). Device according to one of the preceding claims, characterized in that an overlapping area of the shaped part (4) corresponds to the area of the bearing surfaces (21, 31). Device according to any of the preceding Claims 1 until 6 , characterized in that the molded part (4) is designed like a strip. Device according to one of the preceding claims, characterized in that the rolling bodies (6) are designed as ball rollers with a cylindrical housing (61) and a ball (62) mounted therein. device after claim 12 , characterized in that each of the housings (61) of the rolling elements (6) is accommodated in a respective housing receptacle (22, 32) of one of the bearing surfaces (21, 31), with a section of the respective housing (61) protruding from the bore. device after Claim 13 , characterized in that the balls (62) are in contact with the control edges (42, 43). device after Claim 13 , characterized in that the housings (61) are in contact with the control edges (42, 43) and the balls (62) are in contact with one of the bearing surfaces (21, 31). Device according to one of the preceding claims, characterized in that from the bearing surface (31) of the carrier plate (3) and/or the molded part (4) protrude sliding or rolling friction elements (5) for load transfer.

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