Automobile windscreen wiper

Abstract

The invention discloses an automobile windscreen wiper which comprises a windscreen wiper arm connected with a windscreen wiper motor, the head of the windscreen wiper arm is provided with a windscreen wiper rod, the windscreen wiper rod comprises a first rod body and a second rod body which are matched in a telescopic mode, the lower surface of the first rod body is provided with a first windscreen wiper rubber strip, and the lower surface of the second rod body is provided with a second windscreen wiper rubber strip. A second windscreen wiper rubber strip is arranged on the lower surface of the second rod body, a piston pipe is arranged in the first rod body, an air outlet hole is formed in the end portion of the piston pipe, a piston rod is connected to the second rod body, a piston head is arranged on the head portion of the piston rod, and the piston rod extends into the piston pipe. Air blowing holes communicated with the air outlet holes are formed in the two sides of the first rod body; the second rod body stretches out through centrifugal force, the outer end of the second rod body abuts against the windshield frame and retracts, and air in the piston pipe is compressed to be blown out of the air blowing hole when the second rod body retracts. The telescopic windshield wiper has the advantages that the structure is reasonable, the telescopic windshield wiper can stretch out and draw back, and air can be generated to blow the surface of a windshield.

Description

technical field [0001] The invention relates to the technical field of automobile parts manufacturing, in particular to an automobile windshield wiper. Background technique [0002] Wipers, also known as wipers, water dials, wipers or windshield wipers, are devices used to wipe off raindrops and dust attached to the windshield of vehicles to improve the visibility of drivers and increase driving safety. Because of legal requirements, cars in almost all places have wipers, and the rear windows of vehicles such as hatchbacks and SUVs are also equipped with wipers; in addition to cars, other means of transportation are also equipped with wipers, such as trains, trams, etc. . [0003] The length of the existing wiper is fixed, and when it swings, the swept area is a fan shape, and the front windshield of most vehicles is a rectangular structure or a similar rectangular structure. Therefore, the existing wiper is in the process of wiping water. There may be a large swing blind ...

AI Technical Summary

Problems solved by technology

The existing application number is CN2010205327801 titled "a retractable windshield wiper", which discloses a kind of automobile windshield wiper, which realizes the expansion and contraction of the length through a spring and a four-bar linkage mechanism, and has a complex structure. The wiper swing structure needs to be modified or replaced, so its structure needs to be further improved

[0004] In addition, in our daily life, we often park the car under the tree. After the rain, the leaves and petals will be stuck to the windshield by the rain and affect the driving sight. It is very troublesome for the driver to get off the car for manual removal

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