CN112389375A

CN112389375A - Windscreen wiper with oil film cleaning function

Info

Publication number: CN112389375A
Application number: CN202011287602.1A
Authority: CN
Inventors: 房勇玲; 夏豪
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-02-23

Abstract

The invention discloses a windscreen wiper with an oil film cleaning function, which comprises a windscreen wiper rod, wherein a sliding groove is formed in the lower end of the windscreen wiper rod, a sliding rod is connected in the sliding groove in a sliding manner, a windscreen wiper blade is arranged at the lower end of the sliding rod, a liquid suction cavity and a cylindrical cavity are sequentially arranged in the windscreen wiper rod from front to back, a piston is arranged in the liquid suction cavity, a balancing weight is wrapped in the piston, the side wall of the piston is elastically connected with the inner wall of the front side of the liquid suction cavity through a first spring, the inner wall of the rear side of the liquid suction cavity is connected with a plurality of liquid suction branch pipes, the tail ends of the plurality of liquid suction branch pipes are connected with a liquid suction main pipe, a circular cavity is arranged between the liquid suction cavity and the cylindrical cavity, an opening and closing mechanism for. The automatic cleaning device is reasonable in structure, can automatically suck a certain amount of oil film cleaning agent when the windscreen wiper is used every time, and can automatically clean.

Description

Windscreen wiper with oil film cleaning function

Technical Field

The invention relates to the technical field of windscreen wipers, in particular to a windscreen wiper with an oil film cleaning function.

Background

The windscreen wiper is a sheet type structure arranged in front of a windscreen, and consists of a motor, a speed reducer, a four-bar mechanism, a wiper arm mandrel, a wiper blade assembly and the like, and is mainly used for sweeping rain, snow and dust which obstruct the view on the windscreen.

When an automobile is used for a long time, fine holes can be formed in the front windshield, impurities and automobile exhaust oil smoke in the air enter the holes in the driving process, and an oil film is formed as long as time passes, which is a common thing. The oil film can refract light and is difficult to clean, the sight can be influenced, and the driving safety can be further influenced.

The oil film is difficult to clean due to certain hydrophobicity, and the wiper needs to be manually and regularly scrubbed by using an oil film cleaning agent, so that the wiper is troublesome, and the wiper with the oil film cleaning function is needed.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a wiper blade with an oil film cleaning function, which can automatically suck a certain amount of oil film cleaning agent and realize automatic cleaning when the wiper blade is used each time.

In order to achieve the purpose, the invention adopts the following technical scheme:

a windscreen wiper with an oil film cleaning function comprises a windscreen wiper rod, wherein a sliding groove is formed in the lower end of the windscreen wiper rod, a sliding rod is connected in the sliding groove in a sliding mode, a windscreen wiper blade is arranged at the lower end of the sliding rod, a liquid suction cavity and a cylindrical cavity are sequentially formed in the windscreen wiper rod from front to back, a piston is arranged in the liquid suction cavity, a balancing weight is wrapped in the piston, the side wall of the piston is elastically connected with the inner wall of the front side of the liquid suction cavity through a first spring, a plurality of liquid suction branch pipes are connected with the inner wall of the rear side of the liquid suction cavity, the tail ends of the plurality of liquid suction branch pipes are connected with a liquid suction main pipe, a circular cavity is arranged between the liquid suction cavity and the cylindrical cavity, an opening and closing mechanism for opening and closing the liquid suction branch pipes is arranged in the circular cavity, guide cylinders are fixed on the inner walls opposite to, the outer wall of the sliding sleeve is fixedly provided with a magnetic ring, a circle of outer spiral coils matched with the magnetic ring are embedded in the periphery of the cylindrical cavity, a plurality of magnetic stripes are fixed in the guide cylinder at equal intervals, a circle of inner spiral coils matched with the magnetic stripes are embedded in the inner wall of the sliding sleeve, a reciprocating mechanism connected with the sliding rod is arranged on the inner wall of one end of the sliding groove, and the inner wall of the other end of the sliding groove is elastically connected with the tail end of the sliding rod through a third spring.

Preferably, the opening and closing mechanism comprises a positive plate and a negative plate which are respectively fixed on the opposite inner walls of the circular cavity, the circular cavity is filled with electrorheological fluid, a plurality of liquid suction branch pipes penetrate through the circular cavity, and the positive plate and the negative plate are respectively electrically connected with two ends of the outer spiral coil.

Preferably, two opposite ends of two adjacent magnetic strips are same in magnetism.

Preferably, reciprocating mechanism is including fixing the electro-magnet on the spout front end inner wall, electro-magnet and interior spiral coil electric connection, run through in the electro-magnet and be equipped with folding gasbag, the end of folding gasbag is fixed with the magnetic sheet, magnetic sheet and slide bar front end fixed connection, the lower extreme of slide bar inlays and is equipped with a hydrojet pipe, folding gasbag is connected with straw and exit tube, straw end and imbibition chamber intercommunication, exit tube end and hydrojet pipe intercommunication, the lower extreme of hydrojet pipe is equipped with a plurality of orifices.

Compared with the prior art, the invention has the beneficial effects that:

1. through setting up imbibition chamber and piston, when using the wiper at every turn, the wiper takes place to rotate, balancing weight in the piston removes under the effect of centrifugal force, deposit in imbibition chamber with oil film cleaner inhales from the automobile body, the magnetic ring is left reciprocating motion in outer spiral coil simultaneously, induced-current that the cutting magnetic induction line produced is the power supply of positive plate and negative plate, electrorheological fluids becomes the solid under the effect of electric field, the increase in volume is closed imbibition branch pipe, the volume of once absorbing is enough to satisfy the washing demand, need not the pump liquid that lasts in the wiper working process, avoid extravagant.

2. Through setting up reciprocating mechanism, when the sliding sleeve reciprocated sliding on the guide cylinder, the intermittent magnetic stripe through the magnetic field direction difference of interior spiral coil produced alternating current, and the current direction intermittent type of the electro-magnet of flowing through changes to the magnetic pole changes, produces intermittent type attraction and repulsion to the magnetic sheet, drives windscreen wiper reciprocating motion, absorbs the cleaner of imbibition intracavity through folding gasbag simultaneously, sprays to windshield on, the cooperation windscreen wiper is scrubbed, and the cleaning performance is good.

Drawings

Fig. 1 is a schematic structural view of a wiper blade with an oil film cleaning function according to the present invention;

fig. 2 is an enlarged schematic view of a structure at a position a of the wiper blade with an oil film cleaning function according to the present invention;

fig. 3 is a schematic view of a wiper blade with an oil film cleaning function according to the present invention;

in the figure: 1 wiper rod, 2 third spring, 3 sliding groove, 4 wiper blade, 5 liquid spraying tube, 6 sliding rod, 7 liquid suction cavity, 8 first spring, 9 piston, 10 negative plate, 11 positive plate, 12 electrorheological fluid, 13 liquid suction branch tube, 14 guide cylinder, 15 column-shaped cavity, 16 magnetic stripe, 17 magnetic ring, 18 internal spiral coil, 19 second spring, 20 suction tube, 21 folding air bag, 22 magnetic plate, 23 electromagnet, 24 external spiral coil.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1-3, a wiper with oil film cleaning function, including wiper rod 1, wiper rod 1's lower extreme is equipped with spout 3, sliding connection has slide bar 6 in the spout 3, slide bar 6's lower extreme is provided with wiper blade 4, suction chamber 7 and cylindricality chamber 15 have set gradually in wiper rod 1 from the beginning to the end, be provided with piston 9 in the suction chamber 7, the parcel has the balancing weight in the piston 9, pass through first spring 8 elastic connection between the lateral wall of piston 9 and the front side inner wall in suction chamber 7, the rear side inner wall in suction chamber 7 is connected with many imbibition branch pipes 13, the end-to-end connection of many imbibition branch pipes 13 has the imbibition to be responsible for, be provided with the circle chamber between imbibition chamber 7 and cylindricality chamber 15, be provided with the on-off.

Opening and closing mechanism is including fixing positive plate 11 and negative plate 10 on the relative inner wall in round cavity respectively, the round cavity is filled with electrorheological fluids 12, many imbibition branch pipes 13 run through the round cavity, positive plate 11 and negative plate 10 respectively with outer spiral coil 24's both ends electric connection, magnetic ring 17 removes in outer spiral coil 24, it supplies power for positive plate 11 and negative plate 10 respectively to cut magnetic induction line production electric current, form the electric field between positive plate 11 and negative plate 10, electrorheological fluids 12 in the round cavity becomes the solid from the turbid liquid gradually under the effect of electric field, the volume expands gradually, extrude many imbibition branch pipes 13, when wiper rod 1 rotates to the top, imbibition branch pipe 13 is closed completely.

A guide cylinder 14 is fixed on the opposite inner wall of the cylindrical cavity 15, a sliding sleeve is sleeved on the guide cylinder 14, the side wall of the sliding sleeve is elastically connected with the inner wall of the cylindrical cavity 15 through a second spring 19, a magnetic ring 17 is fixed on the outer wall of the sliding sleeve, a circle of outer spiral coil 24 matched with the magnetic ring 17 is embedded on the periphery of the cylindrical cavity 15, a plurality of magnetic stripes 16 are fixed in the guide cylinder 14 at equal intervals, the opposite two ends of the two adjacent magnetic stripes 16 have the same magnetism, a circle of inner spiral coil 18 matched with the magnetic stripes 16 is embedded on the inner wall of the sliding sleeve, a reciprocating mechanism connected with the sliding rod 6 is arranged on the inner wall of one end of the sliding groove 3, the reciprocating mechanism comprises an electromagnet 23 fixed on the inner wall of the front end of the sliding groove 3, the electromagnet 23 is electrically connected with the inner spiral coil 18, a folding air bag 21 passes through the electromagnet 23, a magnetic plate 22 is fixed at the tail end of the folding air, the folding air bag 21 is connected with a suction pipe 20 and an outlet pipe, the tail end of the suction pipe 20 is communicated with the liquid suction cavity 7, the tail end of the outlet pipe is communicated with the liquid spraying pipe 5, the lower end of the liquid spraying pipe 5 is provided with a plurality of spray holes, and the inner wall of the other end of the sliding groove 3 is elastically connected with the tail end of the sliding rod 6 through a third spring 2.

In the invention, a liquid storage tank filled with an oil film cleaning agent is placed in an engine compartment, a liquid suction main pipe is connected with the liquid suction main pipe, when the windscreen wiper initially works, a wiper rod 1 horizontally rotates to the topmost part, at the moment, a balancing weight in a piston 9 can extrude a first spring 8 under the action of centrifugal force, part of the oil film cleaning agent is sucked into a liquid suction cavity 7 through the liquid suction main pipe and a liquid suction branch pipe 13, and the oil film is cleaned by one-time suction amount; meanwhile, the sliding sleeve also moves upwards along the guide cylinder 14 under the action of centrifugal force, the magnetic ring 17 moves in the outer spiral coil 24, the cutting magnetic induction line generates current to respectively supply power to the positive plate 11 and the negative plate 10, an electric field is formed between the positive plate 11 and the negative plate 10, electrorheological fluid 12 in the circular cavity is gradually changed into solid from turbid liquid under the action of the electric field, the volume is gradually expanded, a plurality of liquid suction branch pipes 13 are extruded, when the wiper rod 1 rotates to the top, the liquid suction branch pipes 13 are completely closed, meanwhile, the wiper rod 1 is in instant rest, the sliding sleeve can be pulled back by the second spring 19, so that the continuous cutting magnetic induction line is continuously formed, the liquid suction branch pipes 13 are also in a closed state all the time in the backward working process of the wiper, the cleaning agent does not need to be.

During the process that the sliding sleeve moves back and forth in the cylindrical cavity 15, the inner spiral coil 18 passes through the plurality of magnetic strips 16 intermittently, and because the magnetic poles of the opposite ends of the plurality of adjacent magnetic strips 16 are the same, the directions of the magnetic fields are different, so that the directions of the currents generated by cutting the magnetic induction lines are opposite, i.e., alternating current, the direction of the current input into the electromagnet 23 is intermittently reversed, and the gap between the magnetic poles is changed, thereby realizing intermittent attraction and repulsion to the magnetic plate 22, under the elastic action of the third spring 2, the slide bar 6 can move left and right in a reciprocating way to drive the wiper blade 4 to move back and forth in a small range, meanwhile, the folded air bag 21 continuously sucks the cleaning agent in the liquid suction cavity 7 through the suction pipe 20 in the extrusion and stretching process, and extrude to in the hydrojet pipe 5, finally spout on windshield through a plurality of orifices, cooperate windscreen wiper piece 4 to realize the quick cleanness to the oil film, the cleaning performance is good.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The wiper with the oil film cleaning function comprises a wiper rod (1) and is characterized in that a sliding groove (3) is arranged at the lower end of the wiper rod (1), a sliding rod (6) is connected in the sliding groove (3) in a sliding mode, a wiper blade (4) is arranged at the lower end of the sliding rod (6), a liquid suction cavity (7) and a cylindrical cavity (15) are sequentially arranged in the wiper rod (1) from front to back, a piston (9) is arranged in the liquid suction cavity (7), a balancing weight is wrapped in the piston (9), a side wall of the piston (9) is elastically connected with the inner wall of the front side of the liquid suction cavity (7) through a first spring (8), a plurality of liquid suction branch pipes (13) are connected to the inner wall of the rear side of the liquid suction cavity (7), a liquid suction main pipe is connected to the tail end of the liquid suction branch pipes (13), and a circular cavity is arranged between the liquid suction cavity (7), an opening and closing mechanism for opening and closing the liquid suction branch pipe (13) is arranged in the circular cavity, a guide cylinder (14) is fixed on the opposite inner wall of the cylindrical cavity (15), a sliding sleeve is sleeved on the guide cylinder (14), the side wall of the sliding sleeve is elastically connected with the inner wall of the cylindrical cavity (15) through a second spring (19), a magnetic ring (17) is fixed on the outer wall of the sliding sleeve, a circle of external spiral coil (24) matched with the magnetic ring (17) is embedded on the periphery of the cylindrical cavity (15), a plurality of magnetic strips (16) are fixed in the guide cylinder (14) at equal intervals, a circle of inner spiral coils (18) matched with the magnetic strips (16) are embedded in the inner wall of the sliding sleeve, a reciprocating mechanism connected with the slide bar (6) is arranged on the inner wall of one end of the chute (3), the inner wall of the other end of the sliding chute (3) is elastically connected with the tail end of the sliding rod (6) through a third spring (2).

2. The wiper blade with oil film cleaning function of claim 1, wherein said opening and closing mechanism comprises a positive plate (11) and a negative plate (10) respectively fixed on the opposite inner walls of a circular cavity, said circular cavity is filled with electrorheological fluid (12), a plurality of said fluid suction branch pipes (13) penetrate through the circular cavity, and said positive plate (11) and said negative plate (10) are respectively electrically connected with the two ends of an external spiral coil (24).

3. The wiper blade with oil film cleaning function as claimed in claim 1, wherein the opposite ends of two adjacent magnetic strips (16) are same in magnetism.

4. The wiper with the oil film cleaning function according to claim 1, wherein the reciprocating mechanism comprises an electromagnet (23) fixed on an inner wall of a front end of the sliding chute (3), the electromagnet (23) is electrically connected with the inner spiral coil (18), a folding air bag (21) penetrates through the electromagnet (23), a magnetic plate (22) is fixed at a tail end of the folding air bag (21), the magnetic plate (22) is fixedly connected with a front end of the sliding rod (6), a liquid spraying pipe (5) is embedded at a lower end of the sliding rod (6), the folding air bag (21) is connected with a suction pipe (20) and an outlet pipe, a tail end of the suction pipe (20) is communicated with the liquid suction cavity (7), a tail end of the outlet pipe is communicated with the liquid spraying pipe (5), and a plurality of spray holes are formed in a lower end of the liquid spraying pipe (5).