CN108995631B

CN108995631B - Automobile windscreen wiper

Info

Publication number: CN108995631B
Application number: CN201811006678.5A
Authority: CN
Inventors: 周丰
Original assignee: Fuzhou Changle Yuanming Industrial Design Co ltd
Current assignee: Rizhao Xinrui Investment Promotion Development Co ltd
Priority date: 2018-08-31
Filing date: 2018-08-31
Publication date: 2021-04-09
Anticipated expiration: 2038-08-31
Also published as: CN108995631A

Abstract

The invention discloses an automobile windscreen wiper, which comprises a windscreen wiper arm, a windscreen wiper body, an elastic steel sheet, a first fixing sheet, a second fixing sheet, a first plastic strip, an adhesive tape, a first film and a second film, wherein the section of the second film is arc-shaped, wherein the concave surface is outwards, it is fixed with first pipeline still to centre gripping between first stationary blade and the second stationary blade, first pipeline is located between two elastic steel sheets, the inside of first pipeline is inserted and is equipped with the second pipeline, it is equipped with three rows of intubate to link up on the second pipeline to insert, three rows of second through-holes have been seted up on the first pipeline, the intubate passes the second through-hole, the diameter of second through-hole is greater than the diameter of intubate, the inboard of second stationary blade is provided with fretwork portion, the lower extreme both sides of second stationary blade are moved about respectively and are inserted and are equipped with one row of movable rod, the top of movable rod is connected with the spring, the bottom of the one row of movable rod of. The invention can improve the defects of the prior art and can achieve better cleaning effect on the automobile glass.

Description

Automobile windscreen wiper

Technical Field

The invention relates to the technical field of windscreen wiper assemblies, in particular to an automobile windscreen wiper.

Background

The existing windscreen wipers are mainly divided into two types, one type is a boned windscreen wiper and the other type is a boneless windscreen wiper. The boneless wiper is structurally characterized in that a wiper arm of an automobile is connected with a steel sheet, a wiper strip is fixed on the steel sheet, and a rotating shaft support directly clamps an elastic steel sheet of the wiper to fix the steel sheet and transfer the pressure of the wiper arm of the automobile. Chinese utility model patent CN 206124996U discloses a wiper. The windscreen wiper with the structure comprises a wiper body, a liquid storage device, a booster pump and the like, wherein the booster pump is connected with a high-pressure nozzle on the wiper body through a water conveying pipe, so that the cleaning of the windscreen is realized by combining the swinging of the wiper body under the condition that the booster pump with controllable pressure applies pressure, but the cleaning effect is still not thorough, and the uniformity of glass water spraying is still poor, so that the cleaning effect is influenced.

Disclosure of Invention

The invention aims to provide an automobile windscreen wiper, which can overcome the defects of the prior art and achieve a better cleaning effect on automobile glass.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows.

An automobile windscreen wiper comprises a wiper arm and a wiper body, wherein the wiper body comprises two elastic steel sheets, the inner sides of the two elastic steel sheets are clamped and fixed through a first fixing sheet and a second fixing sheet, a first plastic strip is fixedly connected below the elastic steel sheets, an adhesive tape with a circular cross section is embedded in the inner side below the first plastic strip, the lower side of the adhesive tape is connected with a second adhesive sheet through the first adhesive sheet, the cross section of the second adhesive sheet is circular arc, the concave surface of the second adhesive sheet faces outwards, a first pipeline is further clamped and fixed between the first fixing sheet and the second fixing sheet, the first pipeline is positioned between the two elastic steel sheets, a second pipeline is inserted in the first pipeline, three rows of insertion pipes are inserted in the second pipeline in a penetrating manner, three rows of second through holes are formed in the first pipeline, the insertion pipes penetrate through the second through holes, the diameter of the second through holes is larger than that of the insertion pipes, and a hollowed-out part is arranged on, a row of movable rods are movably inserted into two sides of the lower end of the second fixing piece respectively, a spring is connected above each movable rod, and the bottoms of the row of movable rods on the same side are connected with a strip brush.

Preferably, a row of first through holes are formed in the inner side of the elastic steel sheet, the first fixing sheet and the second fixing sheet are fixedly connected with each other through a plurality of inserting rods, and the inserting rods penetrate through the first through holes.

Preferably, the second fixing piece is fixedly connected with a second plastic strip respectively below two ends of the second fixing piece, and bristles are connected below the second plastic strip.

Preferably, the middle of the windscreen wiper body is fixedly sleeved with a fixing sleeve, the top surface of the fixing sleeve is connected with a rotating column in a shaft mode, the other end of the rotating column is connected with a windscreen wiper arm, the windscreen wiper arm is connected with two hoses, and the two hoses are respectively communicated with the first pipeline and the second pipeline.

Preferably, three drainage scrapers are fixed on the lower surface of the second film, the included angle between every two adjacent drainage scrapers is 12 degrees, and supporting flanges are fixed on two sides of each drainage scraper.

Preferably, the first film is internally fixed with a reinforcing rib, two sides of the reinforcing rib are fixed with supporting pieces, and the supporting pieces are inserted into the second film.

Adopt the beneficial effect that above-mentioned technical scheme brought to lie in: the automobile windscreen wiper comprises a windscreen wiper body, a windscreen wiper arm, two elastic steel sheets, a rubber strip, a first plastic strip, a second rubber strip, a third rubber strip, a fourth rubber strip, a fifth rubber strip, a sixth rubber strip, a fifth rubber, furthermore, the inner sides of the two elastic steel sheets are clamped and fixed by a first fixing sheet and a second fixing sheet, the first fixing sheet and the second fixing sheet simultaneously clamp and fix a first pipeline, a second pipeline is inserted in the first pipeline, the first pipeline is mutually connected with a fan of an automobile through a hose, the second pipeline is mutually connected with a glass water booster pump of the automobile through a hose, when the automobile glass water jet device works, a wiper arm is started to act, the action of liquid jet and air jet is started, glass water pressurized by the booster pump in the second pipeline can be jetted onto the automobile glass through three rows of insertion pipes, meanwhile, wind in the first pipeline can be jetted out through three rows of second through holes, the wind energy in the first pipeline can accelerate the dispersion effect of the glass water jetted out of the insertion pipes on the automobile glass, so that the glass water can be diffused as soon as possible, and the jet kinetic energy of the glass water is increased to a certain extent by the wind, further improve the spraying and sweeping effect, simultaneously the wiper arm swings to drive the wiper body to swing, the sprayed glass water can carry out certain brushing and sweeping on the automobile windshield under the action of two strip brushes between the two second films, and the brushing and sweeping range is concentrated between the two second films, when the wiper arm brushes and sweeps, redundant water can be scraped by the second films and falls down from the space between the two second films, after several actions, better cleaning effect on the automobile glass can be achieved, the glass water is sprayed out through the three rows of the inserting pipes, the spraying range of the glass water is larger and more uniform, the brushing and sweeping can be assisted by blowing and the strip brushes, better cleaning effect is ensured, the water spraying and brushing actions can be concentrated between the two second films, and the visual field limitation caused by the overlarge glass water spraying range in the cleaning process can be prevented, thereby many-sided better clean effect of guaranteeing, the inboard fretwork portion of second stationary blade can guarantee that spun glass hydroenergy is smooth in the intubate passes through the second stationary blade, inserts the movable rod of establishing on the second stationary blade through the spring activity, and the strip brush is lived in its below support, can provide the effort to car glass side up always to the strip brush, guarantees that the strip brush can laminate with car glass always to further guarantee clean effect. The row of first through holes on the inner side of the elastic steel sheet can be mutually matched with the plurality of inserting rods between the first fixing sheet and the second fixing sheet, so that the first fixing sheet and the second fixing sheet can be clamped and fixed on the two elastic steel sheets and are convenient to detach. The strip is moulded to the second of both ends below of second stationary blade for connect the brush hair, the brush hair can be further brushes car glass and sweeps, and the brush hair is located between strip brush and the second film, also can play certain interval effect, prevents that too much foul from being scraped by the second film and sweeping and cause the second film wearing and tearing too big. The fixed sleeve is used for fixing the windscreen wiper body and is connected with the rotary column, the rotary column is connected with the windscreen wiper arm, and the two hoses are respectively used for injecting wind and glass liquid into the first pipeline and the second pipeline. The three non-parallel drainage scraping blades can push water drops attached to the proportional surface to move back and forth between the adjacent drainage scraping blades in the scraping process of the glass surface, so that the contact area between the water drops and the drainage scraping blades is increased, and the wiping effect is improved. The support flange can reduce the deformation degree of the drainage scraper blade in the scraping process and improve the scraping pressure. The support sheet can improve the support of the second film, and the support sheet is connected with the reinforcing ribs to improve the integrity of the first film and the second film.

Drawings

FIG. 1 is a block diagram of one embodiment of the present invention.

FIG. 2 is a view of FIG. 1 taken along direction A in accordance with an embodiment of the present invention.

Fig. 3 is a cross-sectional view taken along direction B of fig. 1 in accordance with an embodiment of the present invention.

Fig. 4 is a block diagram of a portion between two first plastic strips according to an embodiment of the present invention.

Fig. 5 is a block diagram of a first conduit and a second conduit in an embodiment of the present invention.

FIG. 6 is a bottom view of a tapered sleeve according to an embodiment of the present invention.

Fig. 7 is a bottom view of the wiper body according to an embodiment of the present invention.

Fig. 8 is an enlarged view of a portion of the bottom surface of the second film in accordance with one embodiment of the present invention.

Fig. 9 is a structural view of a portion where a first film and a second film are joined according to an embodiment of the present invention.

In the figure: 1. a wiper arm; 2. a spin column; 3. a wiper body; 4. an elastic steel sheet; 5. a first plastic strip; 6. an adhesive tape; 7. a first film; 8. a second film; 9. a first through hole; 10. a first fixing sheet; 11. a first conduit; 12. a second conduit; 13. inserting a rod; 14. a second fixing sheet; 15. a second plastic strip; 16. brushing; 17. a movable rod; 18. brushing strips; 19. a spring; 20. a hollow-out section; 21. inserting a tube; 22. a second through hole; 23. a hollow sphere; 24. a third through hole; 25. fixing a sleeve; 26. a hose; 27. a conical sleeve; 28. a fourth via hole; 29. a water drainage scraper; 30. a support flange; 31. reinforcing ribs; 32. a support sheet.

Detailed Description

The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description and the description of the attached drawings, and the specific connection mode of each part adopts the conventional means of mature bolts, rivets, welding, sticking and the like in the prior art, and the detailed description is not repeated.

Referring to fig. 1 to 9, a specific embodiment of the present invention includes a wiper arm 1 and a wiper body 3, where the wiper body 3 includes two elastic steel sheets 4, inner sides of the two elastic steel sheets 4 are clamped and fixed by a first fixing sheet 10 and a second fixing sheet 14, a first plastic strip 5 is fixedly connected to a lower side of the elastic steel sheet 4, a rubber strip 6 with a circular cross section is embedded in the lower inner side of the first plastic strip 5, a second plastic strip 8 is connected to a lower side of the rubber strip 6 by a first plastic strip 7, a cross section of the second plastic strip 8 is circular arc, a first pipe 11 is further clamped and fixed between the first fixing sheet 10 and the second fixing sheet 14, the first pipe 11 is located between the two elastic steel sheets 4, a second pipe 12 is inserted into the first pipe 11, three rows of insertion tubes 21 are inserted into the second pipe 12, three rows of second through holes 22 are opened in the first pipe 11, the intubation tube 21 penetrates through the second through hole 22, the diameter of the second through hole 22 is larger than that of the intubation tube 21, a hollow-out portion 20 is arranged on the inner side of the second fixing piece 14, a row of movable rods 17 are movably inserted into two sides of the lower end of the second fixing piece 14 respectively, a spring 19 is connected above each movable rod 17, and the bottom of each row of movable rods 17 on the same side is connected with a brush 18. The automobile windscreen wiper comprises a windscreen wiper body 3, a windscreen wiper arm 1 of an automobile, two elastic steel sheets 4 of the windscreen wiper body 3 are connected with each other and driven to rotate by the windscreen wiper arm 1 of the automobile, the two elastic steel sheets are used for fixing a first plastic strip 5 below the windscreen wiper body and transmitting the pressure of the windscreen wiper arm 1 of the automobile to automobile glass, so that a second rubber sheet 8 can be tightly attached to the automobile glass, a rubber strip 6 is embedded in the first plastic strip 5, the rubber strip 6 with a circular cross section can be clamped into the first plastic strip 5 to limit the position, the first rubber sheet 7 is connected with the second rubber sheet 8, the rubber strip 6, the first rubber sheet 7 and the second rubber sheet 8 are convenient to replace integrally, the second rubber sheet 8 is directly attached to the automobile glass, the cross section of the second rubber sheet is arc-shaped, the concave surface of the second rubber sheet is outward, the attachment with the automobile glass can be better and the wiping effect can be ensured, and the wiping effect can be further improved by the mode that one windscreen wiper arm 1 drives the two second rubber sheets, furthermore, the inner sides of the two elastic steel sheets 4 are clamped and fixed by a first fixing sheet 10 and a second fixing sheet 14, the first fixing sheet 10 and the second fixing sheet 14 also clamp and fix a first pipeline 11, a second pipeline 12 is inserted in the first pipeline 11, the first pipeline 11 is connected with a fan of an automobile through a hose, the second pipeline 12 is connected with a glass water booster pump of the automobile through a hose, when the automobile works, the wiper arm 1 is started to act, the action of liquid spraying and air spraying is started at the same time, glass water pressurized by the booster pump in the second pipeline 12 can be sprayed onto the automobile glass through the three rows of insertion pipes 21, meanwhile, wind in the first pipeline 11 can be sprayed out through the three rows of second through holes 22, the wind in the first pipeline 11 can accelerate the dispersion effect of the glass water sprayed out of the insertion pipes 21 on the automobile glass, so that the glass water is opened as soon as possible, and the spraying kinetic energy of the glass water is increased to a certain extent by the wind, further improve the spraying and sweeping effect, simultaneously the wiper arm 1 swings to drive the wiper body 3 to swing, the sprayed glass water can carry out certain brushing and sweeping on the windshield of the automobile under the action of the two strip brushes 18 between the two second films 8, the brushing and sweeping range is concentrated between the two second films 8, the excessive water can be scraped by the second films 8 and falls down from the space between the two second films 8 when brushing and sweeping, after several actions, the better cleaning effect on the automobile glass can be achieved, the cleaning mode sprays out the glass water through the three rows of insertion tubes 21, the spraying range of the glass water is larger and more uniform, the brushing and sweeping can be assisted through the air blower and the strip brushes 18, the better cleaning effect is ensured, in addition, the water spraying and brushing action can be concentrated between the two second films 8, the view limitation caused by the overlarge glass water spraying range in the cleaning process can also be prevented, thereby many-sided better clean effect of guaranteeing, the inboard fretwork portion 20 of second stationary blade 14 can guarantee that spun glass hydroenergy is smooth in the intubate 21 to pass through second stationary blade 14, inserts the movable rod 17 of establishing on second stationary blade 14 through the activity of spring 19, and strip brush 18 is lived in its below support, can provide the effort to car glass side in to strip brush 18 always, guarantees that strip brush 18 can laminate with car glass always to further guarantee clean effect. A row of first through holes 9 are formed in the inner side of the elastic steel sheet 4, the first fixing piece 10 and the second fixing piece 14 are fixedly connected with each other through a plurality of inserting rods 13, and the inserting rods 13 penetrate through the first through holes 9. The row of first through holes 9 on the inner side of the elastic steel sheet 4 can be mutually matched with a plurality of inserted bars 13 between the first fixing sheet 10 and the second fixing sheet 14, so that the first fixing sheet 10 and the second fixing sheet 14 can be clamped and fixed on the two elastic steel sheets 4 and are convenient to detach. The lower parts of the two ends of the second fixing plate 14 are respectively and fixedly connected with a second plastic strip 15, and the lower part of the second plastic strip 15 is connected with bristles 16. The second plastic strip 15 below two ends of the second fixing plate 14 is used for connecting the brush bristles 16, the brush bristles 16 can further brush the automobile glass, and the brush bristles 16 are positioned between the strip brush 18 and the second film 8 and can also play a certain spacing role to prevent the second film 8 from being abraded too much due to the fact that excessive dirt is scraped and swept by the second film 8. The fixed cover in middle part of wiper body 3 is equipped with fixed cover 25, the top surface coupling of fixed cover 25 has column spinner 2, the other end and the wiper arm 1 of column spinner 2 are connected, be connected with two hoses 26 on the wiper arm 1, two hoses 26 respectively with first pipeline 11 and second pipeline 12 through connection, the fixed cover 25 at the middle part of wiper body 3 for fixed wiper body 3 connects column spinner 2, column spinner 2 is connected with wiper arm 1, wind and glass liquid are annotated respectively to first pipeline 11 and second pipeline 12 to two hoses 26. Three drainage scraping blades 29 are fixed on the lower surface of the second rubber sheet 8, the included angle between every two adjacent drainage scraping blades 29 is 12 degrees, and supporting flanges 30 are fixed on the two sides of each drainage scraping blade 29. The first rubber sheet 7 is fixed with a reinforcing rib 31 inside, two sides of the reinforcing rib 31 are fixed with supporting pieces 32, and the supporting pieces 32 are inserted into the second rubber sheet 8. The three non-parallel drainage wiper blades 29 can push water drops attached to the proportional surface to move back and forth between the adjacent drainage wiper blades in the scraping process of the glass surface, so that the contact area between the water drops and the drainage wiper blades 29 is increased, and the wiping effect is improved. The support flange 30 can reduce the degree of deformation of the drain blade 29 during wiping, and increase the wiping pressure. The support sheet 32 can improve the support of the second rubber sheet 8, and by connecting with the reinforcing rib 31, the integration of the first rubber sheet 7 and the second rubber sheet 8 is improved.

In addition, the outer side of the insertion pipe 21 is connected with a hollow sphere 23 in a penetrating manner, the surface of the hollow sphere 23 is uniformly provided with a plurality of third through holes 24, the bottom of the first pipeline 11 is also connected with three rows of conical sleeves 27, the conical sleeves 27 are positioned on the outer side of the second through holes 22, the conical sleeves 27 are communicated with the second through holes 22, the bottom surface of the conical sleeves 27 is provided with a plurality of annularly arranged fourth through holes 28, the insertion pipe 21 penetrates through the axis of the conical sleeves 27, through the above structure, the high-pressure molten glass in the second pipeline 12 can firstly enter the hollow sphere 23 through the insertion pipe 21 and then be sprayed out from each third through hole 24, meanwhile, the wind in the first pipeline 11 can enter the conical sleeves 27 through the second through holes 22 and then be sprayed out from each fourth through hole 28 below, the wind sprayed out from the fourth through holes 28 can directly act on the molten glass sprayed out from the third through holes 24, since the third through hole 24 disperses the molten glass sprayed from the insertion tube 21, and the wind sprayed from the fourth through hole 28 directly blows the dispersed molten glass onto the glass of the automobile, the molten glass is fully contacted with air and mixed and dispersed in the process, so that the cleaning effect is further improved.

The booster pump, the wiper arm and other devices used in the present invention are fully disclosed in the patent documents cited in the background art, and belong to the mature prior art, and the specific structure thereof is not described in detail herein.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an automobile windscreen wiper, includes wiper arm (1) and wiper body (3), its characterized in that: the windscreen wiper body (3) comprises two elastic steel sheets (4), the inner sides of the two elastic steel sheets (4) are clamped and fixed through a first fixing sheet (10) and a second fixing sheet (14), a first plastic strip (5) is fixedly connected to the lower portion of each elastic steel sheet (4), an adhesive tape (6) with a circular cross section is inlaid in the inner side of the lower portion of each first plastic strip (5), a second adhesive sheet (8) is connected to the lower portion of each adhesive tape (6) through a first adhesive sheet (7), the cross section of each second adhesive sheet (8) is arc-shaped, the concave surface faces outwards, a first pipeline (11) is further clamped and fixed between the first fixing sheet (10) and the second fixing sheet (14), the first pipeline (11) is located between the two elastic steel sheets (4), a second pipeline (12) is inserted into the first pipeline (11), three rows of insertion pipes (21) are penetratingly inserted into the second pipeline (12), and three rows of second through holes (22) are formed in the first pipeline (11), the insertion pipe (21) penetrates through the second through hole (22), the diameter of the second through hole (22) is larger than that of the insertion pipe (21), a hollow-out part (20) is arranged on the inner side of the second fixing piece (14), a row of movable rods (17) are movably inserted into two sides of the lower end of the second fixing piece (14) respectively, a spring (19) is connected above each movable rod (17), and the bottom of each row of movable rods (17) on the same side is connected with a brush (18);

the middle part of the windscreen wiper body (3) is fixedly sleeved with a fixing sleeve (25), the top surface of the fixing sleeve is connected with a rotating column (2) in a shaft mode, the other end of the rotating column (2) is connected with a windscreen wiper arm (1), the windscreen wiper arm (1) is connected with two hoses (26), and the two hoses (26) are respectively communicated with a first pipeline (11) and a second pipeline (12);

the first pipe (11) is interconnected with a blower of the vehicle through a hose, and the second pipe (12) is interconnected with a glass water booster pump of the vehicle through a hose.

2. The automotive wiper blade of claim 1, wherein: a row of first through holes (9) are formed in the inner side of the elastic steel sheet (4), the first fixing sheet (10) and the second fixing sheet (14) are fixedly connected with each other through a plurality of inserting rods (13), and the inserting rods (13) penetrate through the first through holes (9).

3. The automotive wiper blade of claim 1, wherein: the lower parts of the two ends of the second fixing piece (14) are respectively and fixedly connected with a second plastic strip (15), and the lower part of the second plastic strip (15) is connected with bristles (16).

4. The automotive wiper blade of claim 1, wherein: three drainage scraping blades (29) are fixed on the lower surface of the second rubber sheet (8), the included angle of the adjacent drainage scraping blades (29) is 12 degrees, and supporting flanges (30) are fixed on two sides of each drainage scraping blade (29).

5. The automotive wiper blade of claim 4, wherein: the first rubber sheet (7) is internally fixed with a reinforcing rib (31), two sides of the reinforcing rib (31) are fixed with supporting sheets (32), and the supporting sheets (32) are inserted into the second rubber sheet (8).