Windscreen wiper connecting structure with cover

Abstract

The utility model discloses a windscreen wiper connecting structure with a cover, which comprises a wiper arm, a wiper arm connecting piece, a wiper blade fixing seat and a wiper blade, the wiper blade is fixed on the wiper blade fixing seat, and the wiper blade connecting piece is hinged on the wiper blade fixing seat; a turbulent flow part is arranged on the side of the connecting position of the wiper arm and the wiper arm connecting piece, and the turbulent flow part enables the wiper arm to have aerodynamic characteristics. An elastic tongue is arranged at the position, not wrapped by a wiper arm, of one end of a wiper arm connecting piece, the elastic tongue is connected with the wiper arm connecting piece through a rotating shaft structure, a plane protruding out of the top face of the wiper arm is arranged at the end, connected with the wiper arm connecting piece, of the wiper arm, and a hole matched with the elastic tongue is formed in the plane. During installation, the elastic tongue is popped into the hole. According to the utility model, the wiper arm and the wiper arm connecting piece are firmly connected and cannot be separated.

Description

Technical Field

[0001] The utility model relates to the technical field of windshield wipers, in particular to a windshield wiper connection structure with a cover. Background Art

[0002] Existing wiper arms are mostly square and lack aerodynamic properties. To this end, Chinese invention patent application publication number CN105270341A discloses a connection device between a wiper arm and a wiper blade, wherein the wiper blade comprises an elongated wiper blade body and an adapter element, the adapter element being adapted to be replaceably connected to a connection region of the wiper arm, wherein the connection region of the wiper arm comprises a substantially U-shaped mounting member for the adapter element, the mounting member having an upper boundary surface and two lateral boundary surfaces, wherein the mounting member overlaps the adapter element at least in the region of the boundary surfaces, and a first spoiler element is configured in the connection region of the wiper arm for increasing the aerodynamic contact pressure of the wiper arm on the wiper blade.

[0003] However, the first latching element in the form of an actuating button is arranged on the adapter element via a spring tongue on the side facing the wiper arm. The first latching element forms a latching connection together with a second latching element, which is arranged in the region of the connection of the wiper arm to the adapter element and is in the form of a hole.

[0004] The actuating button in this patent easily has the risk of the scraper arm being separated from the scraper arm connecting piece, ie the adapter element. Utility Model Content

[0005] The technical problem to be solved by the present invention is to provide a wiper connection structure with a cover, in which the wiper arm with a cover and the wiper blade connector have a reliable connection, in order to solve the problem in the prior art that there is a risk of separation between the wiper arm and the adapter element.

[0006] The technical problems to be solved by the present invention can be achieved through the following technical solutions:

[0007] A wiper connection structure with a cover, comprising a wiper arm, a wiper arm connector, a wiper blade fixing seat and a wiper blade, the wiper blade being fixed on the wiper blade fixing seat, and the wiper blade connector being hinged on the wiper blade fixing seat; a spoiler is provided on the side of the connection position between the wiper arm and the wiper arm connector, the spoiler gives the wiper arm aerodynamic characteristics; it is characterized in that a spring tongue is provided at the end of the wiper arm connector that is not wrapped by the wiper arm, the spring tongue is connected to the wiper arm connector through a rotating shaft structure, and a plane protruding from the top surface of the wiper arm is provided at the end where the wiper arm is connected to the wiper arm connector, and a hole adapted to the spring tongue is provided on the plane; when installed, the spring tongue springs into the hole.

[0008] In a preferred embodiment of the present invention, a protrusion protruding from the top surface of the scraper arm connector is provided at one end of the scraper arm connector that is not wrapped by the scraper arm, and a sink groove is provided on the top surface of the protrusion, and the sink groove is open toward the side of the rotating shaft structure; the spring tongue is located in the sink groove; during installation, the plane is inserted into the sink groove.

[0009] In a preferred embodiment of the present invention, a slot is provided between each side surface of the protrusion and each side surface of the scraper arm connector, and an insertion arm is provided on each side wall where the scraper arm is inserted into the upper end of the scraper arm connector. During installation, the insertion arm is inserted into the corresponding slot.

[0010] In a preferred embodiment of the present invention, a flange is provided on each of the two side surfaces of the scraper arm adjacent to the insert arm. During installation, the flange is hooked on the bottom of the scraper arm connector.

[0011] In a preferred embodiment of the present invention, the spoiler and the scraper arm are integrally formed or are formed separately and then installed together.

[0012] In a preferred embodiment of the present invention, the spoiler is provided with a windward surface and a leeward surface, the windward surface is convexly arc-shaped, the leeward surface is concavely arc-shaped, and the lowest point of the leeward surface is flush with the top surface of the scraper arm.

[0013] In a preferred embodiment of the present invention, a water spraying element is provided in the spoiler, and the water spraying element is exposed from the spoiler at one end thereof.

[0014] Due to the adoption of the above-mentioned technical solution, the utility model sets the spring tongue through a rotating shaft structure at one end of the scraper arm connector where it is not wrapped by the scraper arm, and a plane protruding from the top surface of the scraper arm is provided at the end portion where the scraper arm is connected to the scraper arm connector, and a hole is provided on the plane. During installation, the plane is inserted into the sinking groove and the spring tongue bounces into the hole, so that the scraper arm and the scraper arm connector are firmly connected and will not come off. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model is a schematic diagram of a wiper structure having a wiper connection structure with a cover.

[0016] Figure 2 for Figure 1 An enlarged schematic diagram of point I.

[0017] Figure 3 for Figure 2 AA cross-sectional view.

[0018] Figure 4This is a partial structural diagram of the wiper connection structure with a cover of the utility model (excluding the spoiler).

[0019] Figure 5 This is a schematic diagram of the partial structure of the wiper arm in the wiper connection structure with a cover of the present invention (excluding the spoiler). DETAILED DESCRIPTION

[0020] The present invention is further described below with reference to the accompanying drawings and specific embodiments.

[0021] See also Figures 1 to 5 The figure shows a wiper connection structure with a cover, which includes a wiper arm 100, a wiper arm connector 200, a wiper blade fixing seat 300 and a wiper blade 400. The wiper blade 400 is fixed on the wiper blade fixing seat 300, and the wiper blade connector 200 is hinged on the wiper blade fixing seat 300.

[0022] A spoiler 500 is provided on the side of the connection position between the scraper arm 100 and the scraper arm connector 200 . The spoiler 500 is formed integrally with the scraper arm 100 or is formed separately and then installed together.

[0023] The spoiler 500 is provided with a windward surface 510 and a leeward surface 520 . The windward surface 510 is convexly arc-shaped, and the leeward surface 520 is concavely arc-shaped. The lowest point of the leeward surface 520 is flush with the top surface 110 of the scraper arm 100 , so that the scraper arm 100 has aerodynamic characteristics.

[0024] A water spray element 530 is provided in the spoiler 500 , and the water spray element 530 is exposed from the spoiler 500 at one end 540 of the spoiler 500 .

[0025] A protrusion 220 is provided at one end 210 of the scraper arm connector 200, where it is not wrapped by the scraper arm 100, and a recess 222 is provided on the top surface of the protrusion 220. The recess 222 is open toward the side of the rotating shaft structure. A spring tongue 224 is provided within the recess 222 and is connected to the rest of the scraper arm connector 200 via a rotating shaft structure.

[0026] A plane 130 protruding from the top surface 110 of the scraper arm 100 is provided at the end 120 where the scraper arm 100 is connected to the scraper arm connector 200, and a hole 131 adapted to the spring tongue 224 is provided on the plane 130; during installation, the plane 130 is inserted into the sinking groove 222, and the spring tongue 224 is ejected into the hole 131.

[0027] A slot is provided between the two side surfaces of the protrusion 220 and the two side surfaces of the scraper arm connector 200, and an insertion arm is provided on each side wall of the upper end of the scraper arm 100 inserted into the scraper arm connector 200. During installation, the insertion arm is inserted into the corresponding slot.

[0028] A flange is provided on each of the two side walls of the scraper arm 100 near the insertion arm. During installation, the flange is hooked on the bottom of the scraper arm connector 200 .

Claims

1. A wiper connection structure with a cover, comprising a wiper arm, a wiper arm connector, a wiper blade holder, and a wiper blade, wherein the wiper blade is fixed to the wiper blade holder, and the wiper blade connector is hinged on the wiper blade holder; a spoiler is provided on the side of the connection between the wiper arm and the wiper arm connector, the spoiler giving the wiper arm aerodynamic characteristics; characterized in that: A spring tongue is provided at the end of the scraper arm connector that is not wrapped by the scraper arm. The spring tongue is connected to the scraper arm connector through a rotating shaft structure. A plane protruding from the top surface of the scraper arm is provided at the end portion of the scraper arm connected to the scraper arm connector, and a hole adapted to the spring tongue is provided on the plane; during installation, the spring tongue springs into the hole.

2. A wiper connection structure with a cover according to claim 1, characterized in that: A protrusion protruding from the top surface of the scraper arm connecting piece is provided at the end of the scraper arm connecting piece that is not wrapped by the scraper arm, and a sinking groove is provided on the top surface of the protrusion, and the sinking groove is open toward the side of the rotating shaft structure; the spring tongue is located in the sinking groove; during installation, the plane is inserted into the sinking groove.

3. The wiper connection structure with a cover according to claim 2, characterized in that: A slot is respectively provided between the two side surfaces of the protrusion and the two side surfaces of the scraper arm connector, and an insertion arm is respectively provided on the two side walls where the scraper arm is inserted into the upper end of the scraper arm connector. During installation, the insertion arm is inserted into the corresponding slot.

4. The wiper connection structure with a cover according to claim 3, characterized in that: A flange is respectively provided on the two side surfaces of the scraper arm near the insertion arm. During installation, the flange is hooked on the bottom of the scraper arm connector.

5. The wiper connection structure with a cover according to claim 4, characterized in that: The spoiler and the scraper arm are formed integrally or are formed separately and then installed together.

6. The wiper connection structure with a cover according to claim 5, characterized in that: The spoiler is provided with a windward surface and a leeward surface, the windward surface is in a convex arc shape, the leeward surface is in a concave arc shape, and the lowest point of the leeward surface is flush with the top surface of the scraper arm.

7. The wiper connection structure with a cover according to claim 6, characterized in that: A water spraying element is arranged in the flow spoiler, and the water spraying element is exposed from the flow spoiler from one end of the flow spoiler.

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