Lid Device for a Material Collection Container and Material Collection Device, Hand-Held Power Tool and Material Disposal Unit with such a Lid Device

Abstract

A lid apparatus for a material collection container includes at least one lid unit for at least partially closing a material collection opening of the material collection container; at least one container fixation interface arranged on the lid unit (16a; 16b; 16c), by means of which the lid unit can be reversibly detached and fastened on the material collection container, in particular without tools; and at least one hand-held power tool interface arranged on the lid unit for fastening the lid unit on a hand-held power tool, in particular a discharge nozzle of the hand-held power tool. The lid apparatus further includes at least one further fixation interface, by means of which a material disposal unit can be reversibly detached and fastened on the lid unit, in particular without tools.

Claims

1. A lid apparatus for a material collection container, the lid apparatus comprising: at least one lid unit configured to at least partially close a material collection opening of the material collection container; at least one container fixation interface arranged on the lid unit and configured to reversibly detach and fasten the lid unit on the material collection container; at least one hand-held power tool interface arranged on the lid unit and configured to fasten the lid unit on a hand-held power tool; and at least one further fixation interface configured to reversibly detach and fasten a material disposal unit.

2. The lid apparatus according to claim 1, wherein the further fixation interface is arranged radially within the container fixation interface and is axially spaced apart further from the hand-held power tool interface than from the container fixation interface.

3. The lid apparatus according to claim 1, further comprising: a substantially circumferentially closed fixation wall portion, the container fixation interface and the further fixation interface being arranged on different sides of the fixation wall portion.

4. The lid apparatus according to, wherein: the lid unit comprises a cylindrical, circumferentially closed central wall, a fixation wall portion for the container fixation interface is arranged outside the central wall, and a further fixation wall portion for the further fixation interfaces is arranged inside the central wall.

5. The lid apparatus according to claim 4, wherein: the fixation wall portion has an axial extension that is less than a further axial extension of the further fixation wall portion, and/or the fixation wall portion is spaced apart from an outlet center axis of the lid unit by a radial distance that is greater than a further radial distance from the further fixation wall portion.

6. The lid apparatus according to claim 4, wherein a minimum distance between the fixation wall portion and the at least one further fixation wall portion is less than a minimum distance from at least one of the fixation wall portion and the further fixation wall portion from an outlet center axis of the lid unit.

7. The lid apparatus according to claim 1, wherein the container fixation interface and the further fixation interface are configured differently.

8. The lid apparatus according to claim 1, further comprising: at least one guide groove leading from an opening plane of the lid unit to the further fixation interface.

9. The lid apparatus according to claim 1, further comprising: an adjustable air bypass configured to adjust a flow resistance of the lid unit.

10. The lid apparatus according to claim 1, further comprising: a substantially circumferentially closed fixation wall portion on which at least one of the container fixation interface and the further fixation interface is arranged and which forms an air bypass.

11. The lid apparatus according to claim 1, wherein the hand-held power tool interface comprises: a base body formed of a base material; and at least one fastening element arranged on the base body and that is made from a thermoplastic elastomer that is different from the base material.

12. The lid apparatus according to claim 11, wherein the fastening element forms a substantially circumferentially closed inner lining of the base body.

13. The lid apparatus according to claim 1, wherein the hand-held power tool interface comprises at least one contact element, which is made of an electrically conductive material such that the at least one contact element dissipates electrostatic charge.

14. A material collection apparatus for a hand-held power tool comprising: a material collection container configured to receive material discharged by the hand-held power tool; and a lid apparatus comprising: at least one lid unit configured to at least partially close a material collection opening of the material collection container; at least one container fixation interface arranged on the lid unit and configured to reversibly detach and fasten the lid unit on the material collection container; at least one hand-held power tool interface arranged on the lid unit and configured to fasten the lid unit on a hand-held power tool; and at least one further fixation interface configured to reversibly detach and fasten a material disposal unit.

15. A hand-held power tool comprising the material collection apparatus according to claim 14.

16. The lid apparatus according to claim 1, wherein: the at least one container fixation interface is configured to reversibly detach and fasten the lid unit on the material collection container without tools; the at least one hand-held power tool interface is configured to fasten the lid unit on a discharge nozzle of the hand-held power tool; and the at least one further fixation device is a snap-fit unit configured to reversibly detach the material disposal unit without tools.

17. The lid apparatus according to claim 7, wherein the container fixation interface is configured as an external threading, and the further fixation interface is configured as a snap-fit positive lock.

18. The lid apparatus according to claim 13, wherein the electrically conductive material is a carbon fiber-reinforced plastic.

19. The hand-held power tool according to claim 15, wherein the hand-held power tool is an eccentric, oscillating, or multi-sander.

20. A material disposal unit comprising: the lid apparatus according to claim 1, wherein the material disposal unit is a vacuum cleaner having a vacuum cleaner hose nozzle.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Further advantages will become apparent from the description of the drawings hereinafter. The drawing shows three exemplary embodiments of the disclosure. The drawings, the description, and the claims contain numerous features in combination. The person skilled in the art will appropriately also consider the features individually and combine them to form further meaningful combinations.

The following are shown:

[0033] FIG. 1 a schematic representation of a hand-held power tool according to the disclosure and a lid apparatus according to the disclosure by means of which different material disposal units or material collection containers can be connected to the hand-held power tool.

[0034] FIG. 2 a schematic representation of a material collection apparatus according to the invention with the lid apparatus according to the disclosure,

[0035] FIG. 3 a schematic cross-section of a material collection apparatus according to the disclosure,

[0036] FIG. 4 a schematic representation of the lid apparatus according to the disclosure,

[0037] FIG. 5 a schematic representation of an alternative embodiment of a lid apparatus according to the disclosure, and

[0038] FIG. 6 a schematic representation of a further alternative embodiment of a lid apparatus according to the disclosure.

DETAILED DESCRIPTION

[0039] FIG. 1 shows a hand-held power tool 24a. The hand-held power tool 24a is configured by way of example as a sander, in particular an eccentric, oscillating, or multi-sander. The hand-held power tool 24a is preferably provided in order to remove material from an object to be processed, in particular as a main function or as a side effect. The hand-held power tool 24a preferably comprises a discharge nozzle 22a. The discharge nozzle 22a is preferably provided in order to guide the removed material away from a work area of the hand-held power tool 24a. A center axis of the discharge nozzle 22a is preferably transverse, in particular at an angle of between 30° and 60°, to a longitudinal axis of the hand-held power tool 24a. Preferably, the center axis of the discharge nozzle 22a passes transverse to an application plane of the hand-held power tool 24a, which is provided for applying the hand-held power tool 24a to an object to be processed.

[0040] FIG. 1 shows a material collection apparatus 42a for a hand-held power tool 24a. The material collection apparatus 42a comprises a lid apparatus 10a. The material collection apparatus 42a in particular comprises a material collection container 12a. The material collection container 12a is provided in order to receive the material discharged by the hand-held power tool 24a. The material collection apparatus 42a is preferably provided so as to be fastened to the discharge nozzle 22a for entrainment with the hand-held power tool 24a. The lid apparatus 10a for the material collection container 12a comprises at least one lid unit 16a for at least partially closing a material collection opening of the material collection container 12a. The lid apparatus 10a comprises at least one container fixation interface 18a arranged on the lid unit 16a, by means of which the lid unit 16a can be reversibly detached and fastened, in particular without tools, on the material collection container 12. The lid apparatus 10a comprises at least one hand-held power tool interface 20a arranged on lid unit 16a for fastening the lid unit 16a to hand-held power tool 24a, particularly preferably on the discharge nozzle 22a of hand-held power tool 24a. The lid apparatus 10a comprises at least one further fixation interface 26a. By means of the further fixation interface 26a, a material disposal unit 27a can be reversibly detached and fastened to the lid unit 16a, in particular without tools.

[0041] For example, the material disposal unit 27a is a vacuum cleaner. Preferably, the material disposal unit 27a comprises a connector unit 44a. Preferably, the material disposal unit 27a comprises a connector unit 46a. The connector unit 46a of the material disposal unit 27a preferably comprises a tubular connection element, in particular a hose nozzle, which is fastened to the hose 44a. The connector unit 46a of the material disposal unit 27a preferably comprises a counter-interface 48a which, in cooperation with the further fixation interface 26a, fastens the material disposal unit 27a to the lid apparatus 10a. The counter-interface 48a is preferably arranged on the connection element. The container fixation interface 18a and the further fixation interface 26a are configured differently. The container fixation interface 18a is preferably configured as a threading, in particular as an external threading. Preferably, the further fixation interface 26a is configured as a snap-fit positive lock. The further fixation interface 26a forms a snap-fit unit. Preferably, the further fixation interface 26a comprises a female detent element, particularly preferably two female detent elements. The counter-interface 48a of the material disposal unit 27a preferably comprises a male detent element, particularly preferably two male detent elements, for snapping into the further fixation interface 26a. The counter-interface 48a preferably comprises an annular base body, from which the male detent elements radially protrude, in particular relative to a center axis, in particular a central hose axis, of the connector unit 46a of the material disposal unit 27a. The annular base body is preferably slotted in order to allow for an elastic deformation of the counter-interface 48a. The counter-interface 48a is preferably arranged rotatably on the connector element, in particular mounted about the center axis of the connector unit 46a of the material disposal unit 27a. Particularly preferably, in a state when the lid apparatus 10a is fastened to the material disposal unit 27a by means of the further fixation interface 26a, the lid apparatus 10a is rotatable relative to the hose 44a.

[0042] Alternatively or additionally, the material disposal unit 27a comprises a further material collection container 14a having a further connector unit 46a′ analogously configured to the connector unit 46a of the material disposal unit 27a.

[0043] FIG. 2 shows the material collection apparatus 42a in a perspective view, and FIG. 3 shows a longitudinal section of the material collection apparatus 42a. Preferably, the material collection container 12a comprises a sump tank 50a. The sump tank 50a can be configured as a rigid box, in particular made of a thermoplastic, or as an in particular textile or foil-like bag. The material collection container 12a preferably comprises a connector unit 52a. The sump tank 50a is preferably arranged on the connector unit 52a of the material collection container 12a. The connector unit 52a preferably comprises a counter-interface, in particular an internal threading, to the container fixation interface 18a.

[0044] The lid apparatus 10a preferably comprises an inlet center axis 60a, which stands in particular perpendicularly on an inlet opening of the lid unit 16a, through which the material enters the lid apparatus 10a. The lid apparatus 10a preferably comprises an outlet center axis 32a, which stands in particular perpendicularly on an outlet opening of the lid unit 16a, through which the material exits the lid apparatus 10a. The outlet center axis 32a and the inlet center axis 60a preferably extend askew with respect to each other. In a state when arranged on the discharge nozzle 22a of the lid apparatus 20a, the outlet center axis 32a is arranged, particularly preferably alignably, preferably parallel to the longitudinal axis of the hand-held power tool 24a. The outlet center axis 32a is preferably provided so as to be arranged overlapping with a container longitudinal axis of the material collection container 12a or with the center axis of the material disposal unit 27a. The inlet center axis 60a is preferably provided so as to be arranged overlapping with the center axis of the discharge nozzle 22a.

[0045] The further fixation interface 26a is radially arranged within the container fixation interface 18a and axially spaced apart further from the hand-held power tool interface 20a than from the container fixation interface 18a. The lid unit 16a comprises a central wall 54a that is in particular cylindrical and circumferentially closed. On an outside of the central wall 54a, the lid unit 16a comprises a fixation wall portion 28a. The container fixation interface 18a is arranged on the fixation wall portion 28a. On an inner side of the central wall 54a, the lid unit 16a comprises a further fixation wall portion 30a. The further fixation interface 26a is arranged on the further fixation wall portion 30a. The fixation wall portions 28a, 30a are preferably cylindrical. Particularly preferably, the fixation wall portions 28a, 30a are concentrically arranged with respect to the outlet center axis 32a. The fixation wall portion 28a for the container fixation interface 18a has an axial extension that is less than an axial extension of the further fixation wall portion 30a for the further fixation interfaces 26a. The fixation wall portion 28a for the container fixation interface 18a has a radial distance from the outlet center axis 32a of the lid unit 16a that is greater than a radial distance of the further fixation wall portion 30a from the outlet center axis 32a. A minimum distance between the fixation wall portions 28a, 30a is less than a minimum distance of the fixation wall portion 28a and/or the further fixation wall portion 30a from the outlet center axis 32a of the lid unit 16a.

[0046] A maximum opening width 34a of the lid unit 16a to allow passage of the material bounded by the central wall 54a is greater than a maximum opening width 36a of the hand-held power tool interface 20a. The hand-held power tool interface 20a is preferably configured as a hollow cylinder that is arranged within the lid unit 16a. The lid unit 16a preferably comprises a hand-held power tool-side wall portion 56a. The hand-held power tool-side wall portion 56a extends from the central wall 54a in a direction facing away from the fixation wall portions 28a, 30a. The hand-power tool-side wall portion 56a is configured so as to conically taper starting from the central wall 54a in a direction parallel to the inlet center axis 60a. The hand-held power tool-side wall portion 56a preferably forms the inlet opening. The hand-held power tool interface 20a is preferably arranged on the hand-held power tool-side wall portion 56a. The hand-held power tool interface 20a preferably projects into the lid unit 16a, starting from the inlet opening. Preferably, the hand-held power tool interface 20a comprises an abutment element 58a for abutment of the discharge nozzle 22a parallel to the inlet center axis 60a at an end facing away from the inlet opening of a cylindrical base body of the hand-held power tool interface 20a. The abutment element 58a is preferably free-standing, in particular spaced apart from the central wall 54a of the hand-held power tool-side wall portion 56a and/or the fixation wall portions 28a, 30a.

[0047] FIG. 4 shows the lid apparatus 10a. The lid apparatus 10a comprises at least one guide groove 38a, which leads from an opening plane of the lid unit 16a perpendicular to the outlet center axis 32a to the further fixation interface 26a. The guide groove 38a is preferably arranged as a trapezoidal recess on an inner side of the further fixation wall portion 38a.

[0048] FIGS. 5 and 6 show further exemplary embodiments of the disclosure. The following descriptions and the drawings are essentially limited to the differences between the exemplary embodiments, wherein reference can, in principle, also be made, with respect to identically designated components, in particular with respect to components having the same reference numbers, to the drawings and/or the description of the other exemplary embodiments, in particular FIGS. 1 to 4. In order to distinguish the exemplary embodiments, the letter a is appended to the reference numbers of the exemplary embodiment in FIGS. 1 to 4. In the design examples of FIGS. 5 and 6, the letter a has been replaced by the letters b or c.

[0049] FIG. 5 shows a lid apparatus 10b for a material collection container 12b. The lid apparatus 10b comprises at least one lid unit 16b for at least partially closing a material collection opening of the material collection container 12b. The lid apparatus 10b comprises at least one container fixation interface 18b arranged on the lid unit 16b, by means of which the lid unit 16b can be reversibly detached and fastened, in particular without tools, to the material collection container 12b. The lid apparatus 10b comprises at least one hand-held power tool interface 20b arranged on lid unit 16b for fastening the lid unit 16b to a hand-held power tool 24b, particularly preferably on a discharge nozzle 22b of hand-held power tool 24b. The lid apparatus 10b comprises at least one further fixation interface 26b. By means of the further fixation interface 26b, a material disposal unit 27b can be reversibly detached and fastened to the lid unit 16b, in particular without tools.

[0050] The lid apparatus 10b comprises a substantially circumferentially closed fixation wall portion 28b on which the container fixation interface 18b and the further fixation interface 26b are arranged on different sides. The container fixation interface 16b is preferably configured as an external threading. The further fixation interface 26b preferably comprises two female detent elements, which are provided for receiving male detent elements of a counter-interface 48b of the material disposal unit 27b from the direction of an inlet center axis 32b of the lid unit 16b. Particularly preferably, on an inner side of the fixation wall portion 28b, a respective guide groove for the female detent elements of the further fixation interface 26b is inset.

[0051] The lid apparatus 10b comprises an adjustable air bypass 40b for adjusting a flow resistance of the lid unit 16b. The air bypass 40b is preferably formed by a hand-held power tool-side wall portion 56b of the lid unit 16b.

[0052] With respect to further features of the lid apparatus 10b, reference is made in particular to FIGS. 1 to 4 and their description. The air bypass 40b is not limited to the configuration of the fixation wall portion 28b shown in FIG. 5 and can also be integrated into the lid apparatus 10a of FIGS. 1 to 4.

[0053] FIG. 6 shows a lid apparatus 10c for a material collection container. The lid apparatus 10c comprises at least one lid unit 16c for at least partially closing a material collection opening of the material collection container. The lid apparatus 10c comprises at least one container fixation interface 18c arranged on the lid unit 16c, by means of which the lid unit 16c can be reversibly detached and fastened, in particular without tools, on the material collection container. The lid apparatus 10c comprises at least one hand-held power tool interface 20c arranged on lid unit 16c for fastening the lid unit 16c to a hand-held power tool, particularly preferably on a discharge nozzle of hand-held power tool. The lid apparatus 10c comprises at least one further fixation interface 26c. By means of the further fixation interface 26c, a material disposal unit can be reversibly detached and fastened to the lid unit 16c, in particular without tools.

[0054] The lid apparatus 10c preferably comprises a substantially circumferentially closed fixation wall portion 28c on which the container fixation interface 18c is arranged. The lid apparatus 10c comprises a substantially circumferentially closed further fixation wall portion 30c on which the further fixation interface 26c is arranged. The further fixation wall portion 30c forms an air bypass 40c. The air bypass 40c is preferably formed by a slit-shaped recess of the further fixation wall portion 30c. The recess extends here, by way of example, from an outlet opening of the lid apparatus 10c over an entire longitudinal extension of the further fixation wall portion 30c, in particular up to an inner wall of a hand-held power tool-side wall portion 56c of the lid apparatus 10c, from which the further fixation wall portion 30c projects. The air bypass 40c is preferably formed spaced apart from the further fixation interface 26c. The air bypass 40c is in particular arranged on one side of the further fixation wall portion 30c opposite an outlet center axis 32c at the hand-held power tool interface 20c.

[0055] The hand-held power tool interface 20c comprises a base body of a base material. The base body is preferably formed integrally with the hand-held power tool-side wall portion 56c. The base body preferably comprises a hollow cylindrical connector element, in particular for receiving the discharge nozzle of the hand-held power tool. The hand-held power tool interface 20c comprises at least one fastening element 64c arranged on the base body of an in particular thermoplastic elastomeric material that is different from the base material.

[0056] The fastening element 64c forms a substantially circumferentially closed inner lining of the base body, in particular of the connector element. The fastening element 64c preferably forms a sleeve that is arranged within the connector element. For example, the fastening element 64c forms an anchor arranged on the sleeve, which projects out of the connector element and is arranged in particular on an outer wall of the hand-held power tool-side wall portion 56c, in particular in a positive locking manner. The fastening element 64c is preferably arranged on the base body by over-molding the base body.

[0057] The hand-held power tool interface 20c comprises at least one contact element 66c, 68c made of an electrically conductive material, in particular a carbon fiber-reinforced plastic, for dissipating an electrostatic charge. The at least one contact element 66c, 68c is preferably formed as a bar. The contact element 66c, 68c preferably projects out of an inner wall of the base body. Preferably, the at least one contact element 66c, 68c is/are configured integrally with the base body. Preferably, a base material from which the base body is manufactured is equal to the electrically conductive material, in particular the carbon fiber-reinforced plastic, of the at least one contact element 66c, 68c. As a result, an electrical charge can advantageously be passed or dissipated to a vacuum cleaner hose via the further fixation interface 26c. The fastening element 64c preferably has at least one recess through which the contact element 66c, 68c projects or is made accessible for direct physical contact with the hand-held power tool.

[0058] With respect to further features of the sensor apparatus 10c, reference is made in particular to FIGS. 1 to 5 and their description. The air bypass 40c is not limited to the configuration of the further fixation wall portion 30c shown in FIG. 6 and can also be integrated into the lid apparatuses 10a, 10b of FIGS. 1 to 5. The fastening element 64c is not limited to the combination with the air bypass 40c shown in FIG. 6, and can also be incorporated into the lid apparatuses 10a, 10b of FIGS. 1 to 5.