CN114013396A - Three-column type silent windscreen wiper - Google Patents

Abstract

The invention relates to a windscreen wiper, in particular to a three-column type silent windscreen wiper. The invention provides a three-column type silent windscreen wiper which can scrape dust firstly and then scrape water to reduce noise. The utility model provides a noiseless wiper of three-column type, includes mounting panel, first fixed column, cylinder, rack, gear, pivot and stop gear etc. and the left and right sides of mounting panel top front side all is equipped with first fixed column, and first fixed column rear side all is equipped with the cylinder, all is equipped with the rack on the cylinder telescopic link, and the equal rotary type in left and right sides of mounting panel top rear side is equipped with the pivot, and the pivot downside all is equipped with the gear, all is equipped with stop gear in the pivot. According to the invention, the attaching degree of the first adhesive tape and the second adhesive tape is enhanced under the action of the second torsion spring and the third torsion spring, so that the first adhesive tape and the second adhesive tape can be closely attached to the air window; through scraping off the dust earlier by the second adhesive tape, scrape water behind the first adhesive tape, reach the effect that falls the sound.

Description

Three-column type silent windscreen wiper

Technical Field

The invention relates to a windscreen wiper, in particular to a three-column type silent windscreen wiper.

Background

Most wiper in the existing market uses a period of time after, the degree of closure of adhesive tape and glass will be discounted greatly, send the abnormal sound easily when using, has reduced navigating mate's travelling comfort, and can not be complete strike off rainwater and dust on the windshield, make the driver unclear to the sight in its the place ahead, and then influence driving safety, and the support of wiper is ageing deformation easily, the camber changes the back, can strike off the blind spot, and life is shorter, needs often to change, neither economical and practical nor environmental protection.

Patent publication No. CN208291177U discloses a novel intelligent wiper, including glass, outer wiper, interior wiper, head rod and second connecting rod, outer wiper and interior wiper are located glass's both sides respectively, one side of head rod and one side of second connecting rod all rotate and are connected with the pivot, the one end of two pivots rotates with one side of outer wiper and one side of interior wiper respectively and is connected, the regulation hole has been seted up to one side of outer wiper, the slide opening has been seted up to the bottom of regulation hole, one side of outer wiper is seted up flutedly, the inside of recess is equipped with the first spring of a plurality of and fixed frame, the inside of fixed frame is equipped with two fixed plates, the bottom of two fixed plates all is fixed with the connecting block. The equipment overcomes the defects that the joint degree of the intelligent windscreen wiper rubber strip and glass is easy to change and the rubber strip is troublesome to replace in the prior art. However, the windscreen wiper of the device only adopts one rubber strip for scraping, and the phenomenon of abnormal sound jumping and scraping exists during scraping.

How to design a three-column noiseless windscreen wiper with scrape dust earlier and then scrape water and fall sound is the technical problem that this patent will solve.

Disclosure of Invention

In order to overcome the defect that the prior art only adopts one adhesive tape for scraping and abnormal sound jump scraping exists during scraping, the invention has the technical problems that: the three-column type noiseless windscreen wiper is provided with a function of wiping dust firstly and then wiping water to reduce noise.

The technical implementation scheme of the invention is as follows: a three-column type silent windscreen wiper comprises a mounting plate, first fixed columns, air cylinders, racks, gears, rotating shafts, limiting mechanisms, a main wiping mechanism and auxiliary wiping mechanisms, wherein the first fixed columns are arranged on the left side and the right side of the front side of the top of the mounting plate, the air cylinders are arranged on the rear sides of the first fixed columns, the racks are arranged on telescopic rods of the air cylinders, the rotating shafts are rotatably arranged on the left side and the right side of the rear side of the top of the mounting plate, the gears are arranged on the lower sides of the rotating shafts, the racks are meshed with the gears on the same side, the limiting mechanisms are arranged on the rotating shafts, the main wiping mechanisms for wiping water are arranged on the limiting mechanism parts, two auxiliary wiping mechanisms for wiping dust are arranged on the main wiping mechanism parts in a sliding mode, each main wiping mechanism comprises a second fixed column, a third supporting frame, a third fixed column, a pressing rod, a fourth fixed column, a wiping frame, a first sliding block and a first adhesive tape, the second fixed columns are arranged on the limiting mechanism parts, the second fixed column outside all is equipped with the third support frame, and both sides all are equipped with two third fixed columns around two third support frame bottoms, and the equal rotary type in third fixed column middle part is equipped with the depression bar, and the equal rotary type in depression bar lower part is equipped with the fourth fixed column, all slidingtype is equipped with between four fourth fixed column bottoms of homonymy scrapes the knife rest, scrapes the equal slidingtype of lower part in the knife rest and is equipped with first slider, and first slider bottom all bonds and has the first adhesive tape that is used for scraping water.

Optionally, the limiting mechanism comprises a first supporting frame, a fixing rod, a first limiting rod, a second supporting frame and a first torsion spring, the first supporting frame is arranged at the tops of the two rotating shafts, the fixing rod is arranged in the middle of the first supporting frame, the first limiting rod is arranged on the fixing rod in an equal rotating mode, the second supporting frame is arranged in an equal rotating mode on the rear side of the first supporting frame, the rear side of the top of the two second supporting frames is connected with a second fixing column on the same side, the second supporting frame is in contact with the first limiting rod on the same side, and the two first torsion springs are connected between the second supporting frame and the first supporting frame on the same side.

Optionally, the main scraping mechanism comprises a second torsion spring and a third torsion spring, two second torsion springs are connected between the pressing rods and the third fixing columns on the same side, and two third torsion springs are connected between the fourth fixing columns and the pressing rods on the same side.

Optionally, the mechanism is scraped including the second slider to vice, the fixed plate, the second adhesive tape, first slide bar and first linear spring, two scrape the equal slidingtype in knife rest lower part left and right sides and be equipped with the second slider, the equal slidingtype in second slider lower part is equipped with eight first slide bars, all be equipped with the fixed plate between the eight first slide bar bottoms of vertical homonymy, the fixed plate all with be connected with eight first linear spring between the second slider of homonymy, first linear spring all overlaps on the first slide bar of homonymy, the fixed plate bottom all bonds and has the second adhesive tape that is used for scraping the dust.

Optionally, still including being used for carrying out spacing fixed establishment to first slider and second slider, fixed establishment is including fifth fixed column, limiting plate and fourth torsional spring, and both sides all are equipped with the fifth fixed column around two scraper framves, and the equal rotary type in fifth fixed column middle part is equipped with the limiting plate, and the limiting plate all contacts with the first slider and the second slider of homonymy, and the limiting plate all is connected with two fourth torsional springs between the fifth fixed column with the homonymy.

Optionally, the positioning mechanism is used for limiting the first support frame, the positioning mechanism comprises a limiting ring, a second limiting rod, a first wedge, a sixth fixing column, a second wedge, a second slide rod and a second linear spring, the limiting ring is arranged at the bottom of the first support frame, the sixth fixing column is arranged on the left side and the right side of the rear side of the mounting plate, the second slide rod is arranged on the upper portion of the sixth fixing column in an all-sliding mode, the second linear spring is connected between the second slide rod and the sixth fixing column on the same side, the second wedge is arranged on the second slide rod, a second limiting rod is arranged at the top of the second wedge, the limiting ring is in contact with the second limiting rod on the same side after rotating, the first wedge is arranged on the rack, and the first wedge is in contact with the second wedge on the same side.

Optionally, still including being used for clearing up the first and clearance mechanism of adhesive tape, clearance mechanism is including the connecting rod, the third wedge, the fourth wedge, the scraper blade, the seventh fixed column, third slide bar and third linear spring, second gag lever post upper portion all is equipped with the connecting rod, connecting rod upper portion all is equipped with the third wedge, the left and right sides of mounting panel rear side all is equipped with the seventh fixed column, seventh fixed column left side all slidingtype is equipped with two third slide bars, all be equipped with the scraper blade that is used for clearing up the second adhesive tape between two third slide bar tops of homonymy, scraper blade top right side all is equipped with two fourth wedges, the third wedge all contacts with two fourth wedges of homonymy, the scraper blade all is connected with two third linear spring with between the seventh fixed column of homonymy, third linear spring all overlaps on the third slide bar.

Optionally, the flight is U-shaped.

The invention has the following advantages:

1. according to the invention, the attaching degree of the first adhesive tape and the second adhesive tape is enhanced under the action of the second torsion spring and the third torsion spring, so that the first adhesive tape and the second adhesive tape can be closely attached to the air window; the second rubber strip scrapes off dust, and the first rubber strip scrapes water to achieve the effect of reducing noise;

2. the first sliding block and the second sliding block are limited through the limiting plate, so that the first sliding block and the second sliding block are prevented from sliding out automatically;

3. according to the invention, the second limiting rod is inserted into the limiting ring to limit the limiting ring, so that the first support frame is prevented from rotating and colliding with a vehicle when the vehicle is driven;

4 the second gag lever post drives the connecting rod and moves left, and the connecting rod drives third wedge and moves left and contact with the fourth wedge, and then drives fourth wedge, scraper blade and third slide bar and move down, because the scraper blade is the U-shaped for two second adhesive tapes can be cleared up simultaneously to the scraper blade.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

FIG. 2 is a schematic view of a first partial body structure according to the present invention.

FIG. 3 is a schematic view of a second partial body structure according to the present invention.

Fig. 4 is a schematic perspective view of the limiting mechanism of the present invention.

Fig. 5 is an enlarged schematic perspective view of the invention at a.

Fig. 6 is a schematic perspective view of the main scraping mechanism of the present invention.

Fig. 7 is an enlarged perspective view of the present invention at B.

Fig. 8 is an enlarged perspective view of the present invention at C.

Fig. 9 is a schematic perspective view of a secondary scraping mechanism according to the present invention.

Fig. 10 is an enlarged perspective view of the present invention at D.

Fig. 11 is a schematic perspective view of the fixing mechanism of the present invention.

Fig. 12 is a schematic perspective view of the positioning mechanism of the present invention.

Fig. 13 is an enlarged perspective view at E of the present invention.

Fig. 14 is a schematic perspective view of the removing mechanism of the present invention.

Fig. 15 is an enlarged perspective view of the present invention at F.

The meaning of the reference symbols in the figures: 1: mounting plate, 2: first fixing column, 3: cylinder, 4: rack, 5: gear, 6: rotating shaft, 7: stop gear, 71: first support bracket, 72: fixing rod, 73: first stopper rod, 74: second support, 75: first torsion spring, 8: main scraping mechanism, 81: second fixing column, 82: third support, 83: third fixing column, 84: second torsion spring, 85: pressure lever, 86: fourth fixing column, 87: third torsion spring, 88: scraper holder, 89: first slider, 810: first strip, 9: auxiliary scraping mechanism, 91: second slider, 92: fixed plate, 93: second strip, 94: first slide bar, 95: first linear spring, 10: fixing mechanism, 101: fifth fixing column, 102: a limiting plate, 103: fourth torsion spring, 11: positioning mechanism, 111: stop collar, 112: second stopper rod, 113: first wedge block, 114: sixth fixing column, 115: second wedge block, 116: second slide bar, 117: second linear spring, 12: clearing mechanism, 121: link, 122: third wedge, 123: fourth wedge block, 124: scraper, 125: seventh fixing post, 126: third slide bar, 127: and a third linear spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings. It is only noted that the invention is intended to be limited to the specific forms set forth herein, including any reference to the drawings, as well as any other specific forms of embodiments of the invention.

Example 1

The utility model provides a noiseless wiper of three column types, refer to fig. 1-10, including mounting panel 1, first fixed column 2, the cylinder 3, rack 4, gear 5, pivot 6, stop gear 7, mainly scrape mechanism 8 and vice mechanism 9 of scraping, the left and right sides of 1 top front side of mounting panel all is equipped with first fixed column 2, 2 rear sides of first fixed column all are equipped with cylinder 3, all be equipped with rack 4 on the 3 telescopic links of cylinder, the equal rotary type in the left and right sides of 1 top rear side of mounting panel is equipped with pivot 6, 6 downside of pivot all is equipped with gear 5, rack 4 meshes with the gear 5 of homonymy, all be equipped with stop gear 7 in the pivot 6, all be equipped with on the 7 parts of stop gear and mainly scrape mechanism 8, mainly scrape mechanism 8 and be used for scraping water, it is equipped with two pairs on 8 parts of mechanism to mainly scrape all slidingtype and scrapes mechanism 9, vice mechanism 9 of scraping is used for the dust to scrape.

Referring to fig. 4-5, the limiting mechanism 7 includes a first support frame 71, a fixing rod 72, a first limiting rod 73, a second support frame 74 and a first torsion spring 75, the top portions of the two rotating shafts 6 are respectively provided with the first support frame 71, the middle portion of the first support frame 71 is respectively provided with the fixing rod 72, the fixing rod 72 is respectively provided with the first limiting rod 73 in a rotating manner, the rear side of the first support frame 71 is respectively provided with the second support frame 74 in a rotating manner, the second support frames 74 are respectively contacted with the first limiting rod 73 on the same side, and two first torsion springs 75 are respectively connected between the second support frames 74 and the first support frames 71 on the same side.

Referring to fig. 6-8, the main scraper mechanism 8 includes a second fixing column 81, a third supporting frame 82, a third fixing column 83, a second torsion spring 84, a pressing rod 85, a fourth fixing column 86, a third torsion spring 87, a scraper frame 88, a first sliding block 89 and a first adhesive tape 810, the second fixing column 81 is fixedly connected to the rear side of the top of each of the two second supporting frames 74 through bolts, the third supporting frame 82 is fixedly connected to the outer side of each of the second fixing columns 81 through bolts, two third fixing columns 83 are respectively arranged on the front and rear sides of the bottom of each of the two third supporting frames 82, the pressing rod 85 is rotatably arranged in the middle of each of the third fixing columns 83, the two second torsion springs 84 are respectively connected between each of the pressing rods 85 and the third fixing column 83 on the same side, the fourth fixing column 86 is rotatably arranged on the lower portion of each of the pressing rods 85, the two third torsion springs 87 are respectively connected between each of the fourth fixing columns 86 on the same side, and the scraper frame 88 is arranged between the bottoms of the four fourth fixing columns 86 on the same side, scraper frame 88 middle and lower part all is slidingtype to be equipped with first slider 89, and first slider 89 bottom all bonds and has first adhesive tape 810, and first adhesive tape 810 is used for scraping water.

Referring to fig. 9-10, the auxiliary scraping mechanism 9 includes a second slider 91, a fixing plate 92, a second adhesive tape 93, a first slide bar 94 and a first linear spring 95, the second slider 91 is slidably disposed on the left and right sides of the lower portion of each of the two scraper holders 88, eight first slide bars 94 are slidably disposed on the lower portion of each of the second sliders 91, the fixing plate 92 is disposed between the bottoms of the eight first slide bars 94 on the same vertical side, eight first linear springs 95 are connected between the fixing plate 92 and the second slider 91 on the same side, the first linear springs 95 are sleeved on the first slide bars 94 on the same side, the second adhesive tape 93 is bonded to the bottom of the fixing plate 92, and the second adhesive tape 93 is used for scraping dust.

When the device is used, firstly, the mounting plate 1 is mounted on a wind window of a vehicle, so that the first rubber strip 810 and the second rubber strip 93 abut against the wind window, when the device is mounted, the second supporting frame 74 extrudes the second fixing column 81 under the action of extrusion, the second fixing column 81 drives the third supporting frame 82 and the third fixing column 83 to move downwards, the pressure rod 85 is further expanded outwards, the second torsion spring 84 and the third torsion spring 87 deform, thus, the joint degree of the first rubber strip 810 and the second rubber strip 93 is enhanced under the action of the second torsion spring 84 and the third torsion spring 87, so that the first rubber strip 810 and the second rubber strip 93 can be tightly jointed on the wind window, then, the air cylinder 3 is started, the telescopic rod of the air cylinder 3 is repeatedly extended and contracted to drive the rack 4 to move forwards and backwards, the rack 4 drives the gear 5 to rotate forwards and backwards, the rotating shaft 6 is further driven to rotate forwards and backwards, and forwards, and backwards, the rotating shaft 6 drives the first supporting frame 71, the fixing rod 72, the first limiting rod 73, The second support frame 74, the first torsion spring 75, the second fixed column 81, the third support frame 82, the third fixed column 83, the second torsion spring 84, the compression bar 85, the fourth fixed column 86, the third torsion spring 87, the scraper frame 88, the first slide block 89, the first rubber strip 810, the second slide block 91, the fixed plate 92, the second rubber strip 93, the first slide bar 94 and the first linear spring 95 rotate forward and backward, so that the second rubber strip 93 sweeps across the wind window to scrape off dust, and then the first rubber strip 810 scrapes off water stains on the wind window to achieve the effect of noise reduction, in the process of cleaning the wind window, when the second rubber strip 93 is extruded upwards, the fixed plate 92 and the second rubber strip 93 are driven to move upwards, the first linear spring 95 is compressed to play a buffering role, when the device is not used, the air cylinder 3 is closed, when people need to replace the first rubber strip 810 and the second rubber strip 93, the first limiting rod 73 is rotated to separate the first limiting rod 73 from the second support frame 74, then, the second support frame 74 is rotated, the first torsion spring 75 deforms, the second support frame 74 drives the second fixed column 81 and the third support frame 82 to rotate, the pressing rod 85 is driven to fold inwards under the reset action of the second torsion spring 84 and the third torsion spring 87, the second support frame 74 is continuously rotated, the second fixed column 81, the third support frame 82, the third fixed column 83, the second torsion spring 84, the pressing rod 85, the fourth fixed column 86, the third torsion spring 87, the scraper frame 88, the first sliding block 89, the first rubber strip 810, the second sliding block 91, the fixing plate 92, the second rubber strip 93, the first sliding rod 94 and the first linear spring 95 are driven to rotate, the first rubber strip 810 and the second rubber strip 93 are separated from the air window, then, people take down the first sliding block 89, the first sliding block 810, the second sliding block 91, the fixing plate 92, the second rubber strip 93, the first sliding rod 94 and the first linear spring 95, and tear down the first rubber strip 810 and the second rubber strip 93 from the first sliding block 89 and the fixing plate 92, the new first adhesive tape 810 and the new second adhesive tape 93 are respectively adhered to the first sliding block 89 and the fixed plate 92, then the first sliding block 89, the first adhesive tape 810, the second sliding block 91, the fixed plate 92, the second adhesive tape 93, the first sliding rod 94 and the first linear spring 95 are reset, then the second supporting frame 74 is loosened, and then the second supporting frame 74 is driven to reversely rotate under the reset action of the first torsion spring 75, the second supporting frame 74 drives the second fixed column 81, the third supporting frame 82, the third fixed column 83, the second torsion spring 84, the pressure lever 85, the fourth fixed column 86, the third torsion spring 87, the scraper frame 88, the first sliding block 89, the first adhesive tape 810, the second sliding block 91, the fixed plate 92, the second adhesive tape 93, the first sliding rod 94 and the first linear spring 95 to reversely rotate, so that the first adhesive tape 810 and the second adhesive tape 93 are in contact with the air window, the third supporting frame 82 presses the third fixed column 83 downwards, and further drives the pressure lever 85 to outwards open, the second torsion spring 84 and the third torsion spring 87 are deformed.

Example 2

On embodiment 1's basis, refer to fig. 1 and 11, still including fixed establishment 10, fixed establishment 10 is including fifth fixed column 101, limiting plate 102 and fourth torsional spring 103, both sides all are equipped with fifth fixed column 101 around two scraper framves 88, and the equal rotary type in fifth fixed column 101 middle part is equipped with limiting plate 102, and limiting plate 102 all contacts with first slider 89 and the second slider 91 of homonymy, and limiting plate 102 all is connected with two fourth torsional springs 103 with between the fifth fixed column 101 of homonymy.

Carry on spacingly through limiting plate 102 to first slider 89 and second slider 91, avoid first slider 89 and second slider 91 roll-off by oneself, when people need take out first slider 89 and second slider 91, rotate limiting plate 102, fourth torsional spring 103 deformation, make limiting plate 102 and first slider 89 and second slider 91 separate, people just can take out first slider 89 and second slider 91, then loosen limiting plate 102, and then drive limiting plate 102 under the effect that fourth torsional spring 103 resets and reset.

Referring to fig. 1, 12 and 13, the positioning device 11 further includes a positioning mechanism 11, the positioning mechanism 11 includes a limiting ring 111, a second limiting rod 112, a first wedge-shaped block 113, a sixth fixing column 114, a second wedge-shaped block 115, a second sliding rod 116 and a second linear spring 117, the limiting ring 111 is disposed at the bottom of the first supporting frame 71, the sixth fixing column 114 is disposed on the left and right sides of the rear side of the mounting plate 1, a second sliding rod 116 is slidably disposed on the upper portion of the sixth fixing column 114, the second sliding rod 116 and the sixth fixing column 114 on the same side are connected through the second linear spring 117, the second sliding rod 116 is provided with the second wedge-shaped block 115, the second limiting rod 112 is welded at the top of the second wedge-shaped block 115, the limiting ring 111 rotates and then contacts with the second limiting rod 112 on the same side, the rack 4 is provided with the first wedge-shaped block 113, and the first wedge-shaped block 113 contacts with the second wedge-shaped block 115 on the same side.

When the rack 4 moves backwards, the first wedge-shaped block 113 is driven to move backwards, when the first wedge-shaped block 113 is in contact with the second wedge-shaped block 115, the second wedge-shaped block 115 extrudes the second wedge-shaped block 115 leftwards, the second wedge-shaped block 115 drives the second sliding rod 116 and the second limiting rod 112 to move leftwards, the second linear spring 117 is stretched, the second limiting rod 112 is separated from the limiting ring 111, when the rack 4 moves forwards, the first wedge-shaped block 113 is driven to move forwards, when the first wedge-shaped block 113 is separated from the second wedge-shaped block 115, the second sliding rod 116 and the second limiting rod 112 are driven to move rightwards to reset under the resetting action of the second linear spring 117, the second limiting rod 112 is inserted into the limiting ring 111, the limiting ring 111 is limited, and the first support frame 71 is prevented from rotating and colliding with a vehicle when the vehicle is driven.

Referring to fig. 1, 14 and 15, the cleaning device 12 further includes a cleaning mechanism 12, the cleaning mechanism 12 includes a connecting rod 121, a third wedge 122, a fourth wedge 123, a scraper 124, a seventh fixing column 125, a third slide bar 126 and a third linear spring 127, the upper portion of the second limiting rod 112 is provided with the connecting rod 121, the upper portion of the connecting rod 121 is provided with the third wedge 122, the left and right sides of the rear side of the mounting plate 1 are provided with the seventh fixing column 125, the left side of the seventh fixing column 125 is provided with two third slide bars 126 in a sliding manner, the top of the two third slide bars 126 on the same side is provided with the scraper 124, the scraper 124 is used for cleaning the second rubber strip 93, the right side of the top of the scraper 124 is provided with the two fourth wedges 123, the third wedges 122 are both in contact with the two fourth wedges 123 on the same side, the scraper 124 is connected with the two third linear springs 127 between the seventh fixing column 125 on the same side, the third linear springs 127 are all sleeved on the third slide bars 126, the flight 124 is U-shaped.

When the second limiting rod 112 moves leftwards, the connecting rod 121 is further driven to move leftwards, the connecting rod 121 drives the third wedge-shaped block 122 to move leftwards, when the third wedge-shaped block 122 is in contact with the fourth wedge-shaped block 123, the fourth wedge-shaped block 123 drives the scraper 124 and the third slide rod 126 to move downwards, the third linear spring 127 is compressed, the scraper 124 can clean two second rubber strips 93 at the same time due to the fact that the scraper 124 is U-shaped, when the second limiting rod 112 moves rightwards, the connecting rod 121 is further driven to move rightwards, the connecting rod 121 drives the third wedge-shaped block 122 to move rightwards, the third wedge-shaped block 122 is separated from the fourth wedge-shaped block 123, and the fourth wedge-shaped block 123, the scraper 124 and the third slide rod 126 are further driven to move upwards to reset under the reset effect of the third linear spring 127.

Although embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.

Claims (8)

1. The utility model provides a noiseless wiper of three-column type, including mounting panel (1), first fixed column (2), cylinder (3), rack (4), gear (5) and pivot (6), the left and right sides of mounting panel (1) top front side all is equipped with first fixed column (2), first fixed column (2) rear side all is equipped with cylinder (3), all be equipped with rack (4) on cylinder (3) telescopic link, the equal rotary type in the left and right sides of mounting panel (1) top rear side is equipped with pivot (6), pivot (6) downside all is equipped with gear (5), rack (4) and gear (5) the meshing of homonymy, characterized by: the scraper device is characterized by further comprising a limiting mechanism (7), a main scraping mechanism (8) and an auxiliary scraping mechanism (9), wherein the limiting mechanism (7) is arranged on the rotating shaft (6), the main scraping mechanism (8) used for scraping water is arranged on the limiting mechanism (7), the two auxiliary scraping mechanisms (9) used for scraping dust are arranged on the main scraping mechanism (8) in a sliding mode, the main scraping mechanism (8) comprises a second fixing column (81), a third supporting frame (82), a third fixing column (83), a pressing rod (85), a fourth fixing column (86), a scraper frame (88), a first sliding block (89) and a first adhesive tape (810), the second fixing column (81) is arranged on the limiting mechanism (7) part, the third supporting frame (82) is arranged on the outer side of the second fixing column (81), the two third fixing columns (83) are arranged on the front side and the rear side of the bottoms of the two third supporting frames (82), the pressing rods (85) are arranged in a rotating mode in the middle of the third fixing columns (83), depression bar (85) lower part equal rotary type is equipped with fourth fixed column (86), all slidingtype is equipped with between four fourth fixed column (86) bottoms of homonymy and scrapes knife rest (88), scrapes the equal slidingtype of lower part in knife rest (88) and is equipped with first slider (89), and first slider (89) bottom all bonds and has first adhesive tape (810) that are used for scraping water.

2. The three-post silent wiper blade as defined in claim 1, wherein: stop gear (7) are including first support frame (71), dead lever (72), first gag lever post (73), second support frame (74) and first torsional spring (75), two pivot (6) tops all are equipped with first support frame (71), first support frame (71) middle part all is equipped with dead lever (72), equal rotary type is equipped with first gag lever post (73) on dead lever (72), the equal rotary type of first support frame (71) rear side is equipped with second support frame (74), two second support frame (74) top rear sides all are connected with second fixed column (81) of homonymy, second support frame (74) all contact with first gag lever post (73) of homonymy, be connected with two first torsional springs (75) between second support frame (74) and first support frame (71) of homonymy.

3. The three-post silent wiper blade as defined in claim 2, wherein: the main scraping mechanism (8) comprises a second torsion spring (84) and a third torsion spring (87), two second torsion springs (84) are connected between the pressing rod (85) and the third fixing column (83) on the same side, and two third torsion springs (87) are connected between the fourth fixing column (86) and the pressing rod (85) on the same side.

4. The three-post silent wiper blade as defined in claim 3, wherein: vice mechanism (9) of scraping is including second slider (91), fixed plate (92), second adhesive tape (93), first slide bar (94) and first linear spring (95), two scrape all slidingtype in the left and right sides of knife rest (88) lower part and be equipped with second slider (91), second slider (91) lower part all slidingtype is equipped with eight first slide bar (94), all be equipped with fixed plate (92) between eight first slide bar (94) bottoms of vertical homonymy, fixed plate (92) all are connected with eight first linear spring (95) with between second slider (91) of homonymy, first linear spring (95) all overlap on first slide bar (94) of homonymy, fixed plate (92) bottom all bonds and has second adhesive tape (93) that are used for scraping the dust.

5. The three-post silent wiper blade as defined in claim 4, wherein: still including being used for carrying out spacing fixed establishment (10) to first slider (89) and second slider (91), fixed establishment (10) are including fifth fixed column (101), limiting plate (102) and fourth torsional spring (103), both sides all are equipped with fifth fixed column (101) around two scraper framves (88), the equal rotary type in fifth fixed column (101) middle part is equipped with limiting plate (102), limiting plate (102) all contact with first slider (89) and second slider (91) of homonymy, limiting plate (102) all are connected with two fourth torsional springs (103) between fifth fixed column (101) of homonymy.

6. The three-post silent wiper blade as claimed in claim 5, wherein: the positioning device further comprises a positioning mechanism (11) used for limiting the first support frame (71), the positioning mechanism (11) comprises a limiting ring (111), a second limiting rod (112), a first wedge-shaped block (113), sixth fixing columns (114), a second wedge-shaped block (115), a second sliding rod (116) and a second linear spring (117), the limiting ring (111) is arranged at the bottom of the first support frame (71), the sixth fixing columns (114) are arranged on the left side and the right side of the rear side of the mounting plate (1), the second sliding rod (116) is arranged on the upper portion of each sixth fixing column (114) in a sliding mode, the second linear spring (117) is connected between each second sliding rod (116) and the sixth fixing column (114) on the same side, the second wedge-shaped block (115) is arranged on each second sliding rod (116), the second limiting rod (112) is arranged on the top of each second wedge-shaped block (115), and the limiting ring (111) is in contact with the second limiting rod (112) on the same side after rotating, the racks (4) are respectively provided with a first wedge-shaped block (113), and the first wedge-shaped blocks (113) are respectively contacted with a second wedge-shaped block (115) at the same side.

7. The three-post silent wiper blade as defined in claim 6, wherein: the cleaning device also comprises a cleaning mechanism (12) for cleaning a second adhesive tape, wherein the cleaning mechanism (12) comprises a connecting rod (121), a third wedge-shaped block (122), a fourth wedge-shaped block (123), a scraping plate (124), a seventh fixed column (125), a third sliding rod (126) and a third linear spring (127), the upper part of a second limiting rod (112) is provided with the connecting rod (121), the upper part of the connecting rod (121) is provided with the third wedge-shaped block (122), the left side and the right side of the rear side of the mounting plate (1) are provided with the seventh fixed column (125), the left side of the seventh fixed column (125) is provided with two third sliding rods (126) in a sliding manner, the scraping plate (124) for cleaning the second adhesive tape (93) is arranged between the tops of the two third sliding rods (126) on the same side, the right side of the top of the scraping plate (124) is provided with two fourth wedge-shaped blocks (123), the third wedge-shaped block (122) is in contact with the two fourth wedge-shaped blocks (123) on the same side, two third linear springs (127) are connected between the scraping plates (124) and seventh fixing columns (125) on the same side, and the third linear springs (127) are sleeved on third sliding rods (126).

8. The three-post silent wiper blade as defined in claim 7, wherein: the scraper (124) is U-shaped.

Images