Wiper device

Abstract

The invention relates to a wiper device, in particular a windscreen wiper device, having a wiper arm adapter (10) and having a wiper blade adapter (12), the wiper arm adapter (10) being provided for coupling to the wiper blade adapter (12) in the main extension direction of the wiper blade adapter (12), and further having a wiper arm channel element (14) of a spray unit (34). According to the invention, the wiper arm channel element (14) is provided for coupling to a wiper blade channel element (16) of the wiper blade adapter (12) in a main extension direction of the wiper blade adapter (12).

Claims

1. A wiper device comprising a wiper arm (32) having a wiper arm adapter (10) at a distal end of the wiper arm (32), a wiper blade (30) having a wiper blade adapter (12) located between a proximal and distal end of the wiper blade (30), the wiper blade adapter (12) including a base body (44) and a wiper blade channel element (16), wherein the wiper arm adapter (10) is configured for coupling to the wiper blade adapter (12) in a main extension direction of the wiper blade adapter (12), and a wiper arm channel element (14) of a spray unit (34), wherein the wiper arm channel element (14) is arranged on the wiper arm (32) and is part of the wiper arm adapter (10), and is configured to extend into the wiper blade channel element (16) of the wiper blade adapter (12) in the main extension direction of the wiper blade adapter (12); wherein the wiper blade adapter (12) has at least one spray nozzle element (20) which is configured at least partially integrally with the wiper blade channel element (16). wherein the wiper arm channel element (14) has at least one spray nozzle element (26) which is configured to be arranged outside of the wiper blade channel element (16) when the wiper arm channel element (14) has been received within the wiper blade channel element (16).

2. The wiper device as claimed in claim 1, characterized in that the wiper blade channel element (16) has a main extension which is oriented at least substantially parallel to the main extension direction of the wiper blade adapter (12).

3. The wiper device as claimed in claim 1, characterized in that the wiper blade channel element (16) is at least partially integrally formed on a base body (44) of the wiper blade adapter (12).

4. The wiper device as claimed in claim 3, characterized in that the wiper blade channel element (16) is at least partially configured as a cylindrical cutout (18) and is configured to guide the wiper arm channel element (14) for coupling in the main extension direction of the wiper blade adapter (12).

5. The wiper device as claimed in claim 1, characterized in that the wiper arm channel element (14) has a sealing projection (22) which is configured to be at least partially wedged into a wall (24) of the wiper blade channel element (16).

6. The wiper device as claimed in claim 5, characterized in that the sealing projection (22) has at least partially a conical shape.

7. The wiper device as claimed in claim 1, characterized in that the wiper blade adapter (12) has at least one guide element (28) which, when coupled to the wiper arm adapter (10), is configured at least partially to guide the wiper arm adapter (10).

8. A method for mounting a wiper device as claimed in claim 1, in which a wiper arm adapter (10) is coupled to a wiper blade adapter (12) in the main extension direction of the wiper blade adapter (12), characterized in that in at least one method step a wiper arm channel element (14) of a spray unit (34) in the main extension direction of the wiper blade adapter (12) is coupled to a wiper blade channel element (16) of the wiper blade adapter (12).

9. The method as claimed in claim 8, characterized in that in the method step the wiper arm channel element is automatically coupled to the wiper blade channel element when the wiper arm adapter is coupled to the wiper blade adapter.

10. The wiper device as claimed in claim 1, wherein the wiper arm channel element (14) includes a stopper element (40) configured to limit an insertion of the wiper arm channel element (14) into the wiper blade channel element (16).

11. The wiper device as claimed in claim 10, wherein the wiper arm channel element (14) includes a first end and a second, opposite end, wherein the second end includes a sealing projection (22), wherein the spray nozzle element (26) is disposed at the first end, and wherein the stopper element (40) is disposed between the first end and the second end.

12. The wiper device as claimed in claim 11, wherein the wiper blade channel element (16) includes a wall (24), and wherein the sealing projection (22) is configured to be at least partially wedged into the wall (24) of the wiper blade channel element (16).

13. The wiper device as claimed in claim 10, wherein the wiper arm channel element (14) includes a main, elongate body, and wherein the stopper element (40) protrudes laterally away from the main, elongate body.

14. The wiper device as claimed in claim 1, wherein the spray nozzle element (26) is covered completely by the base body (44) of the wiper blade adapter (12) when viewed in the direction perpendicular to the wiping surface.

15. The wiper device as claimed in claim 1, wherein the wiper arm adapter (10) includes a base body (48), and wherein the wiper arm channel element (14) extends parallel to the base body (48).

16. The wiper device as claimed in claim 1, wherein the wiper arm adapter (10) includes a base body (48), and wherein the base body (48) of the wiper arm adapter (10) is configured to slide under the base body (44) of the wiper blade adapter (12).

17. The wiper device as claimed in claim 1, wherein the spray nozzle element (26) is covered at least partially by the base body (44) of the wiper blade adapter (12) when viewed in a direction perpendicular to a wiping surface.

18. The wiper device as claimed in claim 1, wherein the wiper arm adapter (10) is fixed to a portion of the wiper arm (32) and the wiper blade adapter (12) is fixed to a portion of the wiper blade (30), and wherein the wiper arm adapter (10) is configured to be moved along the main extension direction of the wiper blade adapter (12) and latched into the wiper blade adapter (12).

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) Further advantages are disclosed from the following description of the drawings. An exemplary embodiment of the invention is shown in the drawings. The drawings, the description and the claims contain numerous features in combination. The person skilled in the art will also expediently consider the features individually and combine them together to form further meaningful combinations.

(2) In the drawings:

(3) FIG. 1 shows a system having a wiper blade, a wiper arm and a wiper device in a schematic plan view,

(4) FIG. 2 shows a part of the wiper device with a wiper arm adapter and a wiper blade adapter in a schematic plan view,

(5) FIG. 3 shows a part of the wiper device with the wiper arm adapter and the wiper blade adapter in a schematic side view,

(6) FIG. 4 shows a part of the wiper device with a wiper arm channel element and a wiper blade channel element in a half-sectional view in a state separated from one another,

(7) FIG. 5 shows a part of the wiper device with a wiper arm channel element and wiper blade channel element in a half-sectional view in a coupled state and

(8) FIG. 6 shows a schematic method sequence of a method for mounting the wiper device.

DETAILED DESCRIPTION

(9) FIG. 1 shows a system having a wiper blade 30, a wiper arm 32 and having a wiper device. The wiper device in the present case is configured as a windscreen wiper device.

(10) In FIGS. 2 to 5 the wiper device is shown in different views. The wiper device has a wiper blade adapter 12. Moreover, the wiper device has a wiper arm adapter 10. The wiper blade 30 and the wiper arm 32 may be coupled together via the wiper blade adapter 12 and the wiper arm adapter 10. In the present case, for coupling the wiper arm 32 to the wiper blade 30, the wiper arm adapter 10 and the wiper blade adapter 12 may be coupled together in a main extension direction, in particular latched together. The wiper arm adapter 10 and the wiper blade adapter 12 form a side lock adapter. Alternatively or additionally, for coupling the wiper arm to the wiper blade, the wiper arm adapter and the wiper blade adapter could be couplable perpendicular to a main extension direction. The coupling is configured to be releasable. In the present case, the wiper blade adapter 12 comprises at least one actuating element 36, the coupling being releasable thereby.

(11) For the coupling, the wiper blade adapter 12 has at least one guide element 28. When coupled to the wiper arm adapter 10, the guide element 28 is provided at least partially to guide the wiper arm adapter. The wiper arm adapter 10 comprises a corresponding guide element 38. The corresponding guide element 38 is configured so as to correspond to the guide element 28.

(12) Moreover, the wiper device has a spray unit 34. The spray unit 34 is provided for a distribution and/or a discharge of washing water. The spray unit 34 comprises at least one washing water channel 42. The washing water channel 42 is provided for providing washing water.

(13) The washing water channel 42 has at least one wiper blade channel element 16. The wiper blade channel element 16 is arranged on the wiper blade side. The wiper blade channel element 16 is arranged on the wiper blade 30. In the present case, the wiper blade channel element 16 is part of the wiper blade adapter 12. Alternatively, a wiper blade channel element could be configured separately from the wiper blade adapter. In particular, in this case a wiper blade channel element could be couplable separately to a wiper blade.

(14) The wiper blade channel element 16 of the wiper blade adapter 12 has a main extension which is oriented at least substantially parallel to the main extension direction of the wiper blade adapter 12. The guide element 28 of the wiper blade adapter 12 is formed by the wiper blade channel element 16. In the present case, the wiper blade channel element 16 of the wiper blade adapter 12 is formed at least partially integrally on a base body 44 of the wiper blade adapter 12. The base body 44 at least partially covers the wiper blade channel element 16, in particular when viewed in a direction perpendicular to a wiping surface. The wiper blade adapter 12 has at least one spray nozzle element 20. The spray nozzle element 20 is configured at least partially integrally with the wiper blade channel element 16 of the wiper blade adapter 12. The spray nozzle element 20 has at least two nozzle openings. The spray nozzle element 20 is arranged such that the base body 44 at least partially covers the spray nozzle element 20 and namely, in particular, when viewed in a direction perpendicular to a wiping surface. Alternatively, the wiper blade channel element could be connected in a different manner to the base body, such as for example by a positive and/or non-positive connection. Moreover, the wiper blade adapter could have further spray nozzle elements which may be configured, in particular, integrally with the wiper blade channel. Moreover, a spray nozzle could have a number of nozzle openings which differs from the number shown here.

(15) The wiper blade channel element 16 of the wiper blade adapter 12 is at least partially configured as a cylindrical cutout 18. During a coupling process, the part of the wiper blade channel element 16 which is configured as a cutout 18 is provided to guide a wiper arm channel element 14 in the main extension direction of the wiper blade adapter 12. The cutout 18 has a tapering 46. The cutout 18 tapers along the main extension of the wiper blade channel element 16. In the present case, the tapering 46 is configured in a stepwise manner. Alternatively or additionally, the tapering could be configured continuously.

(16) The washing water channel 42 has at least one wiper arm channel element 14. The wiper arm channel element 14 is arranged on the wiper arm side. The wiper arm channel element 14 is arranged on the wiper arm 32. Alternatively, the wiper arm channel element could be configured separately from the wiper arm adapter. In particular, in this case the wiper arm channel element could be couplable separately to the wiper arm.

(17) The wiper arm channel element 14 has a main extension which is oriented at least substantially parallel to the main extension direction of the wiper arm adapter 10. The corresponding guide element 38 of the wiper arm adapter 10 is configured by the wiper arm channel element 14. In the present case, the wiper arm channel element 14 of the wiper arm adapter 10 is formed at least partially integrally on a base body 48 of the wiper arm adapter 10. Alternatively, the wiper arm channel element could be connected in a different manner to the base body of the wiper arm adapter, such as for example by a positive and/or non-positive connection.

(18) The wiper arm channel element 14 comprises at least one spray nozzle element 26. In a coupled state of the wiper arm channel element 14 to the wiper blade channel element 16, the spray nozzle element 26 is arranged outside the wiper blade channel element 16. Moreover, in the coupled state of the wiper blade channel element 16 to the wiper arm channel element 14, the spray nozzle element 28 is at least partially covered by the base body 44 of the wiper blade adapter 12 and namely, in particular, when viewed in a direction perpendicular to a wiping surface.

(19) The wiper arm channel element 14 has a sealing projection 22. The sealing projection 22 is provided to be at least partially wedged and/or to cut into a wall 24 of the wiper blade channel element 16. The sealing projection 22 has at least partially a conical shape. The wiper arm channel element 14 and the wiper blade channel element 16 are connected together in a water-tight manner. The wiper arm channel element 14 is couplable to the wiper blade channel element 16 of the wiper blade adapter 12 in a main extension direction of the wiper blade adapter 12. The wiper arm channel element 14 has at least one stop element 40. The stop element 40 is provided to limit an insertion of the wiper arm channel element 14 into the wiper blade channel element 16 in the main extension direction of the wiper blade adapter 12.

(20) FIG. 6 shows a schematic flow diagram of a method for mounting the wiper device.

(21) The method comprises a method step 50. The method step 50 is shown in FIG. 4. In the method step 50 the wiper blade adapter 12 and the wiper arm adapter 10 are oriented parallel to one another. To this end, the main extension direction of the wiper blade adapter 12 is oriented parallel to the main extension direction of the wiper arm adapter 10. Moreover, the wiper blade adapter 12 and the wiper arm adapter 10 are oriented parallel to one another such that the main extension directions coincide with one another.

(22) The method comprises a further method step 52. In the method step 52 for coupling the wiper blade adapter 12 to the wiper arm adapter 10, these components are moved toward one another in a mounting direction. The mounting direction in this case is parallel to the main extension direction of the wiper blade adapter 12 and/or to the main extension direction of the wiper arm adapter 10. To this end, the wiper blade adapter 12 and the wiper arm adapter 10 are moved toward one another, in particular, in a continuous movement in the mounting direction. At the same time, the guide element 28 and the corresponding guide element 38 are inserted into one another. The guide element 28 is formed by the wiper arm channel element 14. The corresponding guide element 38 is formed by the wiper blade channel element 16. The wiper blade adapter 12 and the wiper arm adapter 10 are latched together and namely, in particular, by being clipped into one another.

(23) The method comprises at least one further method step 54. The method step 54 is shown in FIG. 5. The method step 54 takes place at the same time as the method step 52. In the present case, these method steps are described separately from one another merely for the sake of clarity. In the further method step 54 a coupling of the wiper arm channel element 14 to the wiper blade channel element 16 takes place automatically during a coupling of the wiper arm adapter 10 to the wiper blade adapter 12. The wiper arm channel element 14 is coupled to the wiper blade channel element 16 by the wiper arm channel element 14 being inserted at least partially into the wiper blade channel element 16. This preferably takes place at the same time as the insertion of the guide element 28 and the corresponding guide element 38. The sealing projection 22 is guided into the cutout 18 in the main extension direction of the wiper arm adapter 10. The sealing projection 22 is wedged by means of the tapering 46 of the cutout 18. The sealing projection 22 also cuts into the wall 24 of the wiper blade channel.