DE212007000044U1 - Schweibenwischer - Google Patents

Abstract

Windshield wipers, the one elongated Windscreen wiper rubber (1) and elastic support elements (2), wherein in the middle of the windshield wiper a connector (5) is provided, the two side walls (54) comprising a receiving space (55), characterized that the windscreen wiper rubber (1) and the elastic support elements (2) about a connecting element (7, 7A) are interconnected, wherein the Connector (5) on the underside of a sliding guide (51), in the the elastic support elements (2) or the connecting element (7A) are pushed /, wherein between the connector (5) and the support elements (2) or the connecting element (7A) provided a positioning is, and wherein on the open side of the receiving space (55) of the connector (5) a cover (9) is provided, which with one side on a Sidewall (54) is deflected and with the other side in the other side wall (54) engages.

Description

Technical area

The The invention relates to a windscreen wiper, in particular for windscreen of a vehicle.

State of the art

The windscreen wiper is a device for cleaning the windshield of a vehicle. 1 and 2 show a conventional windshield wiper, the elongated wiper rubber 1' has, on the two sides in each case a longitudinal slot 11 ' possesses, in which an elastic support element 2 ' is plugged. The two elastic support elements 2 ' are made of metal and have a certain elasticity and strength to the windshield wiper rubber 1' to support and to press on the windshield. Over the elatic support elements 2 ' is an air duct 3 ' intended. The windscreen wiper rubber 1' , the elastic support elements 2 ' and the air duct 3 ' are at the two ends each have a fastener 4 ' connected with each other. In the middle of the windscreen wiper is a connector 5 ' provided, which serves for connection to a windscreen wiper arm (not shown).

• 1. da der Scheibenwischergummi 1' weich ist und die elastischen Stützelemente 2' hart sind, können die elastischen Stützelemente 2' beim Wischen durch den direkten Kontakt mit dem Scheibenwischergummi 1' verformt werden, wodurch die Druckkraft der elastischen Stützelemente 2 auf den Scheibenwischergummi 1' nicht gleichmäßig ist, so dass eine Schwankung des Scheibenwischers auftritt;
• 2. die elastischen Stützelemente 2' sind durch Pressen oder Vernieten mit dem Verbinder 5' verbunden, wodurch eine Bearbeitungsmaschine erforderlich ist, so dass die Herstellungskosten erhöht werden;
• 3. die beiden Seitenwände 54' des Verbinders 5' bilden einen Aufnahmeraum 55', in dem ein Verbindungsglied (nicht dargestellt) aufgenommen ist, das zur Verbindung mit dem Scheibenwischerarm dient, wodurch der Aufnahmeraum 55' eine offene Seite aufweist, durch die Staub und Regenwasser in den Verbinder 5' eintreten kann, so dass die Lebensdauer des Scheibenwischers reduziert werden kann.

However, this windscreen wiper has the following disadvantages:

• 1. there the windscreen wiper rubber 1' is soft and the elastic support elements 2 ' hard, the elastic support elements can 2 ' when wiping through direct contact with the windscreen wiper rubber 1' be deformed, whereby the compressive force of the elastic support elements 2 on the windscreen wiper rubber 1' is not uniform, so that a fluctuation of the windshield wiper occurs;
• 2. the elastic support elements 2 ' are by pressing or riveting with the connector 5 ' connected, whereby a processing machine is required, so that the production costs are increased;
• 3. the two side walls 54 ' of the connector 5 ' form a recording room 55 ' in which a connecting member (not shown) is received, which serves for connection to the windscreen wiper arm, whereby the receiving space 55 ' has an open side through which dust and rainwater into the connector 5 ' can occur, so that the life of the windscreen wiper can be reduced.

Object of the invention

Of the Invention has for its object to provide a windshield wiper, the connection of the windscreen wiper rubber and the elastic support elements improved to avoid a fluctuation of the windscreen wiper, facilitates assembly to reduce manufacturing costs, and avoids entry of dust and rainwater to the life extend the windscreen wiper.

These Task is solved by the windshield wiper according to the invention, the an elongated windscreen wiper rubber and elastic support elements comprises wherein a connector is provided in the center of the windscreen wiper is, which has two side walls, forming a receiving space, characterized in that the Windscreen wiper rubber and the elastic support elements via a connecting element interconnected with the connector on the bottom has a sliding guide, in the elastic support elements or the connecting element is pushed /, wherein between the connector and the support elements or the connecting element is provided a positioning, and wherein on the open side of the receiving space of the connector a lid provided with one side on a side wall of the connector is hinged and with the other side in the other side wall locks.

Of the Windscreen wiper rubber has longitudinal grooves on both sides and on the top a T-shaped Section on; and the connecting element is a molded part made of plastic and forms a recording room for the T-shaped Section of the windscreen wiper blade, which is open at the bottom, and two lateral longitudinal grooves for the elastic support elements out.

Of the Windscreen wiper rubber has longitudinal grooves on both sides and on the top a T-shaped Section on; and the connecting element is a molded part made of plastic and forms a downwardly open C-shaped receiving space for the T-shaped section the wiper blade and an upwardly open C-shaped receiving space for a single support element out.

Of the upwardly open C-shaped Reception room can be replaced by a closed reception room become.

At the two ends of the bottom of the connector are two each gegenüberleigende projections provided that the sliding guide limit.

At the two inner walls the sliding guide the connector is provided in each case a positioning element, for which the elastic support elements in the middle of the outside each provided with a Positionierausnehmung.

At the two inner walls the sliding guide the connector is provided in each case a positioning element, for which the Connecting element in the middle of the two outer sides each with a Positioning recess is provided.

The slide of the connector may also be completely open to the outside.

The Locking connection between the side wall of the connector and the lid takes place by a latching projection of the side wall and a latching recess of the lid.

The Locking connection of the lid and the connector can by a close Fit to be replaced.

• 1. da zwischen dem Scheibenwischergummi und den elastischen Stützelementen ein Verbindungselement aus hartem Material vorgesehen ist, wird die Stabilität des Scheibenwischers beim Wischen in der Querrichtung erhöht; die Druckkraft der elastischen Stützelemente wirkt über das harte Verbindungselement auf den weichen Scheibenwischergummi, wodurch eine Verformung der elastischen Stützelemente verhindert wird, so dass eine Schwankung des Scheibenwischers vermieden wird;
• 2. der Verbinder weist auf der Unterseite eine Gleitführung auf, in die die elastischen Stützelemente oder das Verbindungselement geschoben und durch eine Rastverbindung in dieser positioniert werden können/kann, wodurch ein Pressen oder Vernieten nicht erforderlich ist, so dass die Herstellungskosten reduziert werden;
• 3. durch die Rastverbindung in der Gleitführung können/kann die elastischen Stützelemente oder das Verbindungselement von dem Verbinder gelöst und ausgetauscht werden, wenn sie beschädigt sind;
• 4. an der offenen Seite des Aufnahmeraums des Verbinders ist ein Deckel vorgesehen, der an einer Seitenwand des Verbinders angelenkt ist und geöffnet und geschlossen werden kann, wodurch ein Eintritt von Staub oder Regenwasser in den Verbinder verhindert wird, so dass die Lebensdauer des Scheibenwischers verlängert werden kann.

Therefore, the invention has the following advantages:

• 1. Since a connecting element made of hard material is provided between the windscreen wiper rubber and the elastic supporting elements, the stability of the windscreen wiper during wiping in the transverse direction is increased; the pressing force of the elastic support members acts on the soft wiper rubber via the hard connection member, thereby preventing deformation of the elastic support members, so that fluctuation of the wiper is avoided;
• 2. The connector has on the underside a sliding guide, in which the elastic support elements or the connecting element can be pushed and positioned by a latching connection in this / can, whereby a pressing or riveting is not required, so that the manufacturing cost is reduced;
• 3. by the latching connection in the sliding guide can / can be solved and replaced the elastic support members or the connecting element of the connector, if they are damaged;
• 4. on the open side of the receiving space of the connector, a lid is provided, which is hinged to a side wall of the connector and can be opened and closed, whereby entry of dust or rain water is prevented in the connector, so that prolongs the life of the windscreen wiper can be.

Brief description of the drawings

1 a perspective view of the conventional solution,

2 a partial display of the conventional solution,

3 a perspective view of the first embodiment of the invention,

4 a perspective view of the connecting element of the first embodiment of the invention,

5 a representation of the connection of the connecting element with the windscreen wiper rubber and the support elements of the first embodiment of the invention,

6 an exploded view of the first embodiment of the invention,

7 a perspective view of the first embodiment of the invention,

8th an exploded view of the connector of the first embodiment of the invention,

9 a perspective view of the connector of the first embodiment of the invention,

10 a perspective view of the connector of the first embodiment of the invention, wherein the lid is open,

11 a perspective view of the connecting element of the second embodiment of the invention,

12 a perspective view of the connection of the connecting element with the Scheibenwischergummit and the support elements of the second embodiment of the invention,

13 an exploded view of the second embodiment of the invention,

14 a perspective view of the second embodiment of the invention,

15 a perspective view of another embodiment of the connecting element.

Ways to execute the invention

3 shows the first embodiment of the invention, the elongated wiper blade rubber 1 and elastic support elements 2 includes. About the support elements 2 An air duct is provided. The windscreen wiper rubber 1 , the support elements 2 and the air duct are connected to each other at the two ends via a fastening element (the air duct and the fastening elements are not shown). In the middle of the windscreen wiper is a connector 5 intended. The feature of the invention is that the windscreen wiper rubber 1 and the elakstischen supporting elements 7 via a connecting element 7 connected to each other.

The windscreen wiper rubber 1 is designed as known and has longitudinal grooves on both sides 11 and on top a T-shaped section 12 on.

The elastic support elements 2 are formed as known and each formed by an elongated plate having a certain elasticity and strength.

The connecting element 7 ( 4 ) is a molded plastic and has a length that of the windshield wiper blade 1 and the elastic support elements 2 equivalent. The connecting element 7 forms a recording room 71 which is open at the bottom, and two lateral longitudinal grooves 72 out.

How out 5 it can be seen, during assembly, first the T-shaped section 12 the windscreen wiper rubber 1 in the recording room 71 of the connecting element 7 pushed so that the T-shaped section 12 in the recording room 71 is included. As the connecting element 7 made of hard plastic, the windscreen wiper rubber 1 Reliable in the recording room 71 clamped. Subsequently, the two elastic support elements 2 in the two lateral longitudinal grooves 72 of the connecting element 7 plugged. As the thickness of the elastic support elements 2 the width of the longitudinal grooves 72 corresponds, the elastic support elements 2 Reliable in the longitudinal grooves 72 clamped. The elastic support element 2 stand only with the connecting element 7 in contact and are in the Längenuten 72 of the connecting element 7 clamped, reducing the transverse strength and the stability of the elastic support elements 2 is increased, so that a deformation of the elastic support elements 2 when wiping in the transverse direction is avoided.

Like from the 6 and 7 can be seen, the connector has 5 on the bottom a sliding guide 51 open to the outside. It is also possible at the two ends of the bottom of the connector 5 two opposing protrusions, respectively 52 provide the sliding guide 51 limit. On the inner walls of the sliding guide 51 are positioning elements 53 intended.

The elastic support elements 2 each have a positioning recess in the middle of the outside 21 ,

Thereafter, the elastic support elements 2 together with the connecting element 7 and the windshield wiper rubber 1 in the sliding guide 51 of the connector 5 pushed, the positioning elements 53 of the connector 5 in the Positionierausnehmungen 21 the elastic support elements 2 can intervene, so that the eleastic support elements 2 with the connector 5 are connected.

The elastic support elements 2 be in the transverse direction of the protrusions 52 clamped, causing a fluctuation of the elastic support elements 2 when wiping in the transverse direction is avoided. In the longitudinal direction, the projections 52 from the elastic support elements 2 a distance to allow the elastic support elements 2 may have a curvature.

Through the sliding guide 51 can the elastic support elements 2 easily from the connector 5 be separated. Because the elastic support elements 2 are made of metal plate and have an elasticity, they are first brought to the straight state during separation, whereby the Postionierelemente 53 of the connector 5 the positioning recesses 21 leave, leaving the elastic support elements 2 from the connector 5 can be pulled out.

The positioning elements 53 of the connector 5 and the Positionierausnehmungen 21 the elastic support elements 2 can also be designed differently.

Like from the 8th and 9 can be seen, the connector has 5 two side walls 54 on, which is a recording room 55 form, in which a link 8th is hinged, which serves for connection to a windshield wiper arm (not shown).

At the open side of the recording room 55 is a lid 9 provided, with one side on a side wall 54 is hinged and with the other side in the other side wall 54 locks. The sidewall is for that 54 with a locking projection 56 and the lid 9 with a recess 91 Mistake.

Through the lid 9 becomes the open side of the recording room 55 of the connector 5 closed, which prevents ingress of rainwater and dust, so that the life of the windscreen wiper can be extended.

How out 10 it can be seen, the lid can 9 around the hinge axis opposite the connector 5 rotated and thus opened. The locking connection of the lid 9 with the connector 5 can also be replaced by a tight fit.

After mounting the windscreen wiper gums 1 , the elastic support elements 2 , of the connecting element 7 and the connector 5 they are about the fasteners 4 with the air duct 3 connected. This is known and will therefore not be described in detail here.

The second embodiment of the invention differs from the first embodiment only by the connecting element 7A ,

The connecting element 7A ( 11 ) is also formed by a molded plastic part and has a length that of the Scheiberwischergummis 1 and the support element 2A equivalent. The connecting element 7A forms a downwardly open C-shaped recording room 73A and an upwardly open C-shaped receiving space 74A out.

The windscreen wiper rubber 1 is designed as known and has longitudinal grooves on both sides 11 and on top a T-shaped section 12 on.

The only support element 2A is formed by an elongated plate having a certain elasticity and strength.

How out 12 it can be seen, during assembly first the support element 2A in the upper recording room 74A of the connection element 7A pushed. Subsequently, the T-shaped section 12 the windscreen wiper grease 1 in the lower recording room 73A of the connecting element 7A pushed so that the T-shaped section 12 in the recording room 73A is included. Here are the two support elements 2 by a single support element 2A replaced, whereby the assembly is facilitated and the manufacturing costs are reduced.

In this embodiment, the support element 2A in the recording room 74A of the connecting element 7A recorded and is not free, as it is in the 13 and 14 is shown. The connector 5 has a sliding guide as in the first embodiment 51 , Projections 52 and positioning elements 53 on. According to the positioning elements 53 is the connecting element 7A in the middle of the two outer sides, each with a positioning recess 75A Mistake.

During assembly, the connecting element 7A together with the windshield wiper rubber 1 and the elastic support member 2A in the sliding guide 51 of the connector 5 pushed, the positioning elements 53 of the connector 5 in the Positionierausnehmungen 75A of the connecting element 7A can engage, so that the connecting element 7A with the connector 5 connected is. Thereafter, the connecting element 7A over the fasteners 4 with the air duct 3 get connected.

Of course, the connection element is not limited to the above two embodiments. In 15 has the connecting element 7B a downwardly open C-shaped receiving space 73B and a closed reception room 74B on, wherein the elastic support element 2A in the closed recording room 74B is pushed.

Claims (10)

Windscreen wiper comprising an elongated windscreen wiper rubber ( 1 ) and elastic support elements ( 2 ), wherein in the middle of the windshield wiper a connector ( 5 ), the two side walls ( 54 ) having a receiving space ( 55 ), characterized in that the windscreen wiper rubber ( 1 ) and the elastic support elements ( 2 ) via a connecting element ( 7 . 7A ), wherein the connector ( 5 ) on the underside of a sliding guide ( 51 ), in which the elastic support elements ( 2 ) or the connecting element ( 7A ), whereby between the connector ( 5 ) and the support elements ( 2 ) or the connecting element ( 7A ) is provided, and wherein at the open side of the receiving space ( 55 ) of the connector ( 5 ) a lid ( 9 ) provided with a side on a side wall ( 54 ) is deflected and with the other side in the other side wall ( 54 ) engages. Windscreen wiper according to claim 1, characterized in that the windscreen wiper rubber ( 1 ) on the two sides longitudinal grooves ( 11 ) and on top a T-shaped section ( 12 ), and that the connecting element ( 7 ) is a molded part made of plastic and a receiving space ( 71 ) for the T-shaped section ( 12 ) of the windscreen wiper blade ( 1 ), which is open at the bottom, and two lateral longitudinal grooves ( 72 ) for the elastic support elements ( 2 ) ausformt. Windscreen wiper according to claim 1, characterized in that the windscreen wiper rubber ( 1 ) on the two sides longitudinal grooves ( 11 ) and on top a T-shaped section ( 12 ), and that the connecting element ( 7A ) is a molded part made of plastic and has a downwardly open C-shaped receiving space ( 73A ) for the T-shaped section ( 12 ) of the windscreen wiper blade ( 1 ) and an upwardly open C-shaped receiving space ( 74A ) for a single support element ( 2A ) ausformt. Windscreen wiper according to claim 3, characterized in that the upwardly open C-shaped receiving space ( 74A ) through a closed receiving space ( 74B ) can be replaced. Windscreen wiper according to claim 1, characterized in that at the two ends of the underside of the connector ( 5 ) two opposite projections ( 52 ) are provided, the sliding guide ( 51 ) limit. Windscreen wiper according to claim 1 or 2, characterized in that on the two inner walls of the sliding guide ( 51 ) of the connector ( 5 ) each have a positioning element ( 53 ) is provided, for which the elastic support elements ( 2 ) in the middle of the outside in each case with a Positionierausnehmung ( 21 ) are provided. Windscreen wiper according to claim 1 or 3, characterized in that on the two inner walls of the sliding guide ( 51 ) of the connector ( 5 ) each have a positioning element ( 53 ) is provided, for which the connecting element ( 7A ) in the middle of the two outer sides each with a Positionierausnehmung ( 75A ) is provided. Windscreen wiper according to claim 1, characterized in that the sliding guide ( 51 ) of the connector ( 5 ) is completely open to the outside. Windscreen wiper according to claim 1, characterized in that the latching connection between the side wall ( 54 ) of the connector ( 5 ) and the lid ( 9 ) by a latching projection ( 56 ) of the side wall ( 54 ) and a recess ( 91 ) of the lid ( 9 ) he follows. Windscreen wiper according to claim 1, characterized in that the latching connection of the cover ( 9 ) and the connector ( 5 ) can be replaced by a tight fit.