CN205524140U

CN205524140U - Automobile windscreen wiper

Info

Publication number: CN205524140U
Application number: CN201620342779.XU
Authority: CN
Inventors: 兰图
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-04-22
Filing date: 2016-04-22
Publication date: 2016-08-31
Anticipated expiration: 2026-04-22

Abstract

The utility model relates to an automobile windscreen wiper, including the wiper body, windscreen wiper piece that is equipped with on the wiper body and wiper the control unit, the wiper body on still be equipped with a telescoping device, the flexible end of this telescoping device is connected with a brush pole, the lower extreme of brush pole be provided with the brush, and when the flexible end of telescoping device when extending, the least significant end of brush is less than the least significant end of windscreen wiper piece, telescoping device and wiper the control unit electricity be connected, the lower extreme of wiper body be equipped with the blowing nozzle who is connected through pipeline and car ventilation system, mouth simple structure can clear away the dust and the grains of sand, prevents to press under the windscreen wiper piece because of the grains of sand, causes the fish tail to windshield, causes the loss, brings the potential safety hazard.

Description

A kind of vehicle wiper

Technical field

This utility model relates to automotive field, specifically refers to a kind of vehicle wiper can with function of blowing sand.

Background technology

Wiper is one of important parts of automobile, it is used to brushing except the raindrop being attached in vehicle windscreen and the equipment of dust, to improve the visibility of driver, increases traffic safety, the power source of wiper is from motor, and it is the core of whole wiper system.The prescription of wiper motor is at a relatively high.It uses DC permanent magnet motor, and the wiper motor being arranged on front windshield is typically made of one with worm and gear mechanical part.The effect of worm-and-wheel gear is to slow down to increase to turn round, and its output shaft drives quadric chain, by quadric chain, continuous print rotary motion is changed into the motion swung；Wiper motor uses 3 brush configurations to facilitate speed change.Intermittent time, by intermittent duty relay control, utilizes the return switch contact of motor to make wiper sweep according to some cycles with the charging/discharging function of relay resistance capacitance.The scraping blade adhesive tape of wiper is rainwater and the instrument of dirt on glass of directly removing.Scraping blade adhesive tape presses to glass surface by spring, and its lip must be consistent with glass angular compliance, can reach required performance.

The rain shaving blade that at present wiper is used be all possess heat-resisting, cold-resistant, acid and alkali-resistance, anticorrosive, can fit windshield, alleviate motor burden, low noise, water-repellancy is strong, the features such as matter soft not scratch windshield, but car is during travelling, often fall on glass upper dust and the grains of sand, when it is purged by rain shaving blade, the little grains of sand can be pressed onto under wiper sheet, when motor drives rain shaving blade to strike off the dust on glass, the related rain shaving blade of meeting and the little grains of sand move on glass, the hardness ratio of the little grains of sand is bigger, the windshield of car can be scratched, and then bring unnecessary loss, scratch the most for a long time, the sight line of windshield is also resulted in infringement, car occurs the situation of danger during travelling.

Utility model content

For the shortcoming overcoming above-mentioned prior art, the purpose of this utility model is the defect overcoming current wiper can not be purged the grains of sand in the dust falling on windshield, provide a kind of simple in construction, it is possible to the vehicle wiper of the sand on removing windshield.

In order to achieve the above object, the technical scheme that this utility model is taked is: a kind of vehicle wiper, including automobile ventilation system, wiper body, rain shaving blade that wiper body is provided with and wiper control unit, it is additionally provided with a retractor device on described wiper body, the telescopic end of this retractor device connects a brush stroke, the lower end of described brush stroke is provided with hairbrush, and when the telescopic end of retractor device is in elongation, the least significant end of described hairbrush is less than the least significant end of rain shaving blade, and described retractor device electrically connects with wiper control unit；The lower end of described wiper body is provided with blowing mouth, and this blowing mouth is connected with automobile ventilation system by pipeline.

Further, described retractor device is by cylinder, the piston being provided with in cylinder and the piston rod composition being connected with piston and extending to outside cylinder, described cylinder is provided with the first air inlet and the second air inlet, the first described air inlet is positioned on the cylinder of piston upper end, described second air inlet is positioned on the cylinder of piston, the first described air inlet and the second air inlet are connected with automobile ventilation system respectively by pipeline, and it is respectively equipped with the first electromagnetic valve and the second electromagnetic valve on the pipeline that is connected with automobile ventilation system of the first described air inlet and the second air inlet, the first described electromagnetic valve and the second electromagnetic valve electrically connect respectively at wiper control unit.

Further, the pipeline that described blowing mouth is connected with automobile ventilation system is provided with micro air pump

Further, described rain shaving blade is two, is symmetricly set on the two ends of retractor device.

Further, described wiper body is provided with the blowing mouth of a multiple row arranged side by side, and each blowing mouth collected by take-off line after be connected with micro air pump.

Further, the buckle that described wiper body and rain shaving blade are provided with by the draw-in groove that is located on wiper body and rain shaving blade is fastened togather.

This utility model uses above technical scheme, have the following advantages, the vehicle wiper simple in construction provided in this utility model, and add hairbrush, the hairbrush of increase can be first passed through being operated when at wiper the windshield of automobile is cleaned, dust on windshield is cleared away, mainly the grains of sand in its dust are cleaned, prevent at wiper working when, the grains of sand are pressed onto under rain shaving blade, windshield is caused damage, on wiper, it is additionally provided with blowing mouth simultaneously, the blowing of the aerating system in automobile is guided in blowing mouth, dust on windshield is purged, further the dust on windshield is cleaned, avoid in dust with the grains of sand windshield is caused damage, cause unnecessary loss or because having influence on the sight line that people drives, cause unsafe factor.

Accompanying drawing explanation

Fig. 1 is the schematic cross-section of wiper；

Fig. 2 is the structural principle schematic diagram of retractor device；

Fig. 3 is pipeline catenation principle schematic diagram of the present utility model；

In figure: 1. wiper body；2. rain shaving blade；3. retractor device；4. brush stroke；5. hairbrush；6. blowing mouth；7 automobile ventilation systems；8. the second electromagnetic valve；9. the first electromagnetic valve；10. wiper control unit；11. micro air pumps；301. cylinder；302 piston rods；303. piston；304. first air inlets；305. second air inlets.

Detailed description of the invention

With embodiment, this utility model is described in detail below in conjunction with the accompanying drawings.

Embodiment 1

Such as Fig. 1, a kind of vehicle wiper, including automobile ventilation system 7, wiper body 1, rain shaving blade 2 that wiper body 1 is provided with and wiper control unit 10, a retractor device 3 it is additionally provided with on described wiper body 1, the telescopic end of this retractor device 3 connects a brush stroke 4, the lower end of described brush stroke 4 is provided with hairbrush 5, and when the telescopic end of retractor device 3 is in elongation, the least significant end of described hairbrush 5 is less than the least significant end of rain shaving blade 2, and described retractor device 3 electrically connects with wiper control unit 10；The lower end of described wiper body 1 is provided with blowing mouth 6, and this blowing mouth 6 is connected with automobile ventilation system 7 by pipeline.Hairbrush 5 is driven by wiper body 1, cleans windshield, and blowing mouth 6 is blown by automobile ventilation system 7, purges windshield；

nullParticularly，During work，When opening wiper，Wiper control unit 10 controls the telescopic end elongation of retractor device 3，When the least significant end height of the hairbrush 5 that telescopic end connects is with rain shaving blade 2，Rain shaving blade 2 is unsettled，Wiper control unit 10 controls wiper body 1 when working，As long as hairbrush 5 cleans on the windshield，Dust on windshield and the grains of sand are purged，Automobile ventilation system 7 is blown for blowing mouth 6 simultaneously，Dust on windshield is purged，Dust on windshield and the grains of sand are removed thoroughly with coordinating of hairbrush 5 through blowing mouth 6，After the dust on windshield has cleaned，The telescopic end of retractor device 3 shortens，The least significant end of hairbrush 5 is higher than the least significant end of rain shaving blade 2，Rain shaving blade 2 contacts with windshield，Hairbrush is unsettled，Windshield is operated by rain shaving blade，The grains of sand are prevented to be pressed onto rain shaving blade 2 times，Windshield is caused scratch.

Embodiment 2

nullOn the basis of embodiment 1，As shown in Figures 2 and 3，Described retractor device 3 is by cylinder 301、The piston 303 that is provided with in cylinder 301 and be connected with piston 303 and the piston rod 302 that extends to outside cylinder 301 forms，Described cylinder 301 is provided with the first air inlet 304 and the second air inlet 305，The first described air inlet 304 is positioned on the cylinder 301 of piston 303 upper end，Described second air inlet 305 is positioned on the cylinder 301 of piston 303 lower end，The first described air inlet 304 and the second air inlet 305 are connected with automobile ventilation system 7 respectively by pipeline，And it is respectively equipped with the first electromagnetic valve 9 and the second electromagnetic valve 8 on the pipeline that is connected with automobile ventilation system 7 of the first described air inlet 304 and the second air inlet 305，The first described electromagnetic valve 9 and the second electromagnetic valve 8 electrically connect respectively at wiper control unit 10；The pipeline that described blowing mouth 6 is connected with automobile ventilation system 7 is provided with micro air pump 11；Described rain shaving blade 2 is two, is symmetricly set on the two ends of retractor device 3；Described wiper body 1 is provided with the blowing mouth 6 of a multiple row arranged side by side, and each blowing mouth 6 collected by take-off line after be connected with micro air pump 11.

nullDuring specific works，When needing the dust on windshield and the grains of sand are purged，Wiper control unit 10 controls the second electromagnetic valve 8 and opens，Air in automobile ventilation system 7 enters into the second air inlet 305 of the bottom of cylinder 301，Promote piston 303 to ascend into drive piston rod 302 to extend，Thus the least significant end of band electric brush 5 is less than the least significant end of Wiper blade 2，Rain shaving blade 2 is unsettled，Windshield is cleaned by hairbrush，Wiper control unit 10 controls micro air pump 11 and works simultaneously，Dust on windshield and the grains of sand are purged in blowing mouth 6 by micro air pump 11 by being sent to after the gas compression in automobile ventilation system 7，When the dust on windshield and the grains of sand remove full-time，，Wiper control unit 10 controls the second electromagnetic valve 8 and micro air pump 11 simultaneously closes off，First electromagnetic valve 9 is opened，Air in automobile ventilation system 7 enters into first air inlet 304 on the top of cylinder 301，Piston 303 is promoted to decline，And then drive piston rod 302 to bounce back，Hairbrush 5 shrinks，Rain shaving blade 2 contacts with windshield，Complete one-time dedusting to remove sand work.

On the basis of embodiment 1 or embodiment 2, rain shaving blade 2 can be convenient for changing for convenience, the buckle that described wiper body 1 and rain shaving blade 2 are provided with by the draw-in groove that is located on wiper body 1 and rain shaving blade 2 is fastened togather, hairbrush 5 pastes on main brush stroke 4 by the gluing at hairbrush 5 back simultaneously, the replacing of Convenient brush 5.

Exemplified as above is only to illustration of the present utility model, is not intended that the restriction to protection domain of the present utility model, within the every and same or analogous design of this utility model belongs to protection domain of the present utility model.

Claims

1. a vehicle wiper, including wiper body (1), wiper body (1) is provided with rain shaving blade (2), it is characterized in that, it is additionally provided with a retractor device (3) on described wiper body (1), the telescopic end of this retractor device (3) connects a brush stroke (4), the lower end of described brush stroke (4) is provided with hairbrush (5), and when the telescopic end of retractor device (3) is in elongation, the least significant end of described hairbrush (5) is less than the least significant end of rain shaving blade (2), the lower end of described wiper body (1) is provided with the blowing mouth (6) being connected by pipeline with automobile ventilation system (7).

nullA kind of vehicle wiper the most according to claim 1，It is characterized in that，Described retractor device (3) is by cylinder (301)、The piston (303) that is provided with in cylinder (301) and be connected with piston (303) and extend to cylinder (301) piston rod (302) composition outward，Described cylinder (301) is provided with the first air inlet (304) and the second air inlet (305)，Described the first air inlet (304) is positioned on the cylinder (301) of piston (303) upper end，Described second air inlet (305) is positioned on the cylinder (301) of piston (303) lower end，Described the first air inlet (304) and the second air inlet (305) are connected with automobile ventilation system (7) respectively by pipeline，And it is respectively equipped with the first electromagnetic valve (9) and the second electromagnetic valve (8) on the pipeline that is connected with automobile ventilation system (7) of described the first air inlet (304) and the second air inlet (305)，Described the first electromagnetic valve (9) and the second electromagnetic valve (8) electrically connect with wiper control unit (10) respectively.

A kind of vehicle wiper the most according to claim 1, it is characterised in that the pipeline that described blowing mouth (6) is connected with automobile ventilation system (7) is provided with micro air pump (11).

A kind of vehicle wiper the most according to claim 1, it is characterised in that described rain shaving blade (2) is two, is symmetricly set on the two ends of retractor device (3).

A kind of vehicle wiper the most according to claim 3, it is characterised in that described wiper body (1) is provided with the blowing mouth (6) of a multiple row arranged side by side, and each blowing mouth (6) collected by take-off line and is connected with micro air pump (11) afterwards.

6. according to a kind of vehicle wiper according to claim 1, it is characterised in that the buckle that described wiper body (1) and rain shaving blade (2) are provided with by the draw-in groove that is located on wiper body (1) and rain shaving blade (2) is fastened togather.