CN101074007A

CN101074007A - Intelligent bent wiper

Info

Publication number: CN101074007A
Application number: CN 200710105760
Authority: CN
Inventors: 王力
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-07-04
Filing date: 2007-05-29
Publication date: 2007-11-21

Abstract

The invention is concerned with wiper of vehicle, especially being a kind of bendable intelligent wiper. It has small amount, large scraping range, little disturb of vision and high scraping efficiency. Set wiper piece combination on the arm of wiper with framework and a scraping bar of soft rubber. The wiper piece is made up of two segments, the arm of wiper supports the first framework and the second framework connects with the end of the first framework and bendable equipment through dowel. Along the scheduled moving track, when the second and first framework start at state of unbend to some angle, the first one keeps moving and the second one runs to different direction. When the first one reaches to the rim of windshield, the first one and second one form an angle of 90 degree as a shape of 7, then the first one runs back and the second one spreads and keeps a line with the first one step by step, and both of them come back to the start position. The scraping mode is unique with intelligent character.

Description

A kind of bending screen wiper

Technical field

The present invention relates to a kind of self-propelled vehicle wiper, particularly a kind of bending screen wiper.

Background technology

At present, known wiper is to adorn a windscreen wiper arm on the rain shaving electrical machine rotating shaft driven, adorns a windscreen wiper chip module on the windscreen wiper arm, the soft rubber scraping article that described windscreen wiper chip module comprises skeleton and supported; When wiper blows rain with on the Windshield one be the center of circle with the S. A., be that the rainwater in the fan-shaped range of radius is scraped totally with the distance of S. A. end points outside scraping blade; But the shape of general windshield and the required range of visibility of chaufeur all be similar to rectangular, so two wipers must be installed, two fan-shaped out-of-shapes that combine of two that wiper scraped, have several scrape less than the blind area; And copilot before wiper is when blowing rain, rainwater can only be middle to dirty from Windshield, also rainwater can be thrown to another wiper when speed is very fast and just scrape clean zone, it is the dead ahead of chaufeur, influence driver vision, two wipers itself also cause interference to driver vision simultaneously, are unfavorable for traffic safety.

Summary of the invention

The object of the present invention is to provide a kind of shortcoming that can overcome known technology, provide a kind of install negligible amounts, wiper scope big, to sight line disturb little, blow the high bending screen wiper of rain efficient.

The present invention is achieved through the following technical solutions:

A kind of bending screen wiper of the present invention is adorned the windscreen wiper arm that a front end can be swung on the rain shaving electrical machine rotating shaft driven, dress windscreen wiper sheet combination on the windscreen wiper arm, and described windscreen wiper sheet combination comprises a skeleton and a soft rubber scraping article that is supported.Wherein: described windscreen wiper sheet combination is formed by two sections, the windscreen wiper arm supports first skeleton along the bar shaped direction, one second skeleton and the aforesaid first skeleton end flexibly connect by a pivot pin and a bending device, by the predetermined swinging track of bending device, after second skeleton and first skeleton go to certain angle by straight configuration from about level attitude, first skeleton is rotated further, the second skeleton contrarotation, go to the lateral edges position of Windshield when first skeleton, first skeleton and second skeleton form the angle that is about 90 degree of 7 fonts, finish being rotated in the forward; First skeleton is during from the lateral edges position-reversed rotational regression of Windshield, and relative first skeleton of second skeleton stretches gradually and is on the same straight line with first skeleton gradually, and rotational regression is finished a circulation to reference position synchronously.

A kind of bending screen wiper of the present invention, wherein: described windscreen wiper sheet makes up the support bar in the groove that also comprises the soft rubber scraping article bilateral symmetry setting of packing into, in each groove, be provided with the relative and two piece support bars parallel of head and the tail with rubber scraping article length direction, correspondingly with two support bars on the rubber scraping article be equipped with two and scrape bone, on each scrapes the midway location of bone, be provided with two scraping blade bridge pieces respectively with first skeleton, the one second two sectional type windscreen wiper sheet combination that skeleton constitutes by an active connection bent.

A kind of bending screen wiper of the present invention, wherein: described bending device comprises that being provided with one first puts bar, the two ends of pendulum bar flexibly connect by the two ends of tie rod and one second pendulum bar, one end of the second pendulum bar is fixed with a vertical guide pillar, and guide pillar cooperates with curve slotted eye on the frid.Wherein, porose pivot pin with binding first skeleton and second skeleton cooperates on the first pendulum bar, second pendulum is porose on the bar to be cooperated with a pivot pin that is fixed on the windscreen wiper arm, also be fixed with a pulley on the board plane of frid, have common rotary hole on frid and the pulley, a pivot pin that is fixed on the windscreen wiper arm cooperates with described rotary hole, and pass rotary hole and cooperate with a slotted eye of opening on first skeleton, pulley links to each other with another pulley that is arranged on the windscreen wiper arm roots by flexibly connecting element, pulley links to each other by a stay cord with pulley, the turning cylinder of pulley and driven by motor, screw is concentricity line setting, and pulley is fixedly mounted on the vehicle body.

A kind of bending screen wiper of the present invention, wherein: the end of first skeleton has elongated slot, form the cell wall of fork-shaped, the end of second skeleton makes tenon shape and cooperates with the front end of elongated slot, the place of repetition that cooperates has the hole of concentricity line, described hole cooperates with pivot pin, rotate for ease of the second backbone winding pivot pin, the hole that the pivot pin and first skeleton are opened is a running-fit, the tenon of pivot pin and second skeleton is partly for captiveing joint, connection mode is flush fit or connects by tightening member, the part that pivot pin exposes cell wall is whittled into a rectangle raised line or other Connection Element is set, first pendulum has on the bar rectangular opening and rectangle raised line chimeric, also has an inclined hole, very little angle of intrinsic line of centers formation of the line of centers of inclined hole and pivot pin along the centre of pivot pin, the end of windscreen wiper arm is fixed with a pivot pin that cooperates with inclined hole, front end at the windscreen wiper arm also is distributed with two other mounting hole, and one for installing the set hole of pivot pin on the second pendulum bar, the hole for the installation pivot pin.

A kind of bending screen wiper of the present invention, wherein: described bending device comprises one first pendulum bar, its two ends link to each other with the two ends of one second pendulum bar by flexibly connecting element, one end of the second pendulum bar is fixed with a vertical guide pillar, guide pillar cooperates with curve slotted eye on the frid, wherein, the first pendulum bar is porose to be cooperated with the pivot pin that is connected first skeleton and second skeleton, second pendulum is porose on the bar to be fixed on one that the pivot pin near root position cooperates on the windscreen wiper arm, center of gyration is arranged on the frid, its rotary hole is fit on the motor shaft with the windscreen wiper arm roots, and tightens up the windscreen wiper arm roots with screw, and frid is fixedly mounted on the vehicle body.

A kind of bending screen wiper of the present invention, wherein: described bending device comprises: the bending device shell, the active Transmission, driven Transmission, stay cord and pulley, described pulley is installed in described windscreen wiper arm roots and vehicle body relative fixed, at least one special-shaped cylinder is set on the driven Transmission to be inserted on the active Transmission of swinging by the drive of stay cord in set and the corresponding chute of cylinder quantity, pivot pin is housed on the driven Transmission to be connected with second skeleton, also have a hole to be connected with pivot pin on the bending device shell, described stay cord forms around shape between the outer of active Transmission and pulley.

A kind of bending screen wiper of the present invention, wherein: described bending device comprises: the bending device shell, it is provided with slideway, be provided with slidably active Transmission in the slideway, driven Transmission, stay cord and pulley, described pulley is installed in described windscreen wiper arm roots and vehicle body relative fixed, at least one special-shaped cylinder is set on the driven Transmission to be inserted into by stay cord and to drive on the active Transmission slide in set and the corresponding chute of cylinder quantity, pivot pin is housed on the driven Transmission to be connected with second skeleton, also have a hole to be connected with the pivot pin that the bending device shell is provided with, described stay cord forms around shape between the outer of active Transmission and pulley.

A kind of bending screen wiper of the present invention, wherein: described bending device comprises: the bending device shell, swing connects the active Transmission that has quadrant tooth on it, also swing is connected with the driven Transmission that has quadrant tooth, stay cord and pulley, on driven Transmission, be fixed with a cantilever, a cylinder is set in the end of cantilever, on the active Transmission, be provided with two gib blocks, cylinder can slip in the chute that is constituted between two gib blocks and slide, described cantilever is mainly used in the pendulum angle of controlling driven Transmission when initiatively Transmission and driven Transmission break away from, cylinder breaks away from chute when active Transmission and the engagement of driven Transmission, cylinder enters chute when the active Transmission separates with driven Transmission, pivot pin is housed on the driven Transmission to be connected with second skeleton, also being provided with the hole is connected with the pivot pin that the bending shell is provided with, initiatively also have a hole to be connected on the Transmission with the pivot pin that the bending device shell is provided with, the two ends that described active Transmission is provided with two point of connection and backguy flexibly connect, and described stay cord forms around shape between the outer of active Transmission and pulley.

A kind of bending screen wiper of the present invention, wherein: the connection mode of the described bending device shell and first skeleton and second skeleton is the locating dowel pin connection mode, a locating dowel pin is set at least interconnects with the hole that adapts of being opened on any angle and the skeleton.

A kind of bending screen wiper of the present invention, wherein: the connection mode of the described bending device shell and first skeleton and second skeleton is the hole that adapts set on two perpendicular positioning pins and first skeleton and second skeleton to be set on the bending device shell interconnect.

A kind of bending screen wiper of the present invention, wherein: the connection mode of the described bending device shell and first skeleton and second skeleton is the L shaped locating dowel pin that at least one vertical section is set on the bending device shell and is parallel to tilting section composition of housing, its tail end is arbitrarily angled tilting in the plane that is parallel to the bending device shell, be provided with the hole that adapts with its included angle in the first skeleton side, the hole of the L shaped locating dowel pin and the first skeleton side interconnects.

The wiper that above structure is formed, when rain shaving electrical machine starts, drive oscillating wiper arm, if this moment is the whole lower edge position that is in Windshield of windscreen wiper arm, then first skeleton and second skeleton are in straight configuration, be as the criterion to adapt to Windshield lower edge shape, rain shaving electrical machine rotates, this moment, wiper just can scrape the rainwater of Windshield far-end, along with windscreen wiper arm being rotated further within certain scope, windscreen wiper is along with the windscreen wiper arm goes to the Windshield diagonal position, the windscreen wiper arm drives first skeleton and is rotated further, make relative first skeleton of second skeleton turn back to reversing sense gradually by bending device from straight configuration, form angle between second skeleton and first skeleton, when first skeleton goes to the lateral edges position of Windshield, second skeleton and first skeleton form the angle that is about 90 degree of 7 fonts, form angle between two skeletons to adapt to the shape of Windshield, subsequently, windscreen wiper returns, bending device is controlled second skeleton and is stretched gradually, second skeleton stretches gradually and is on the same straight line with first skeleton gradually, when the windscreen wiper arm goes to the Windshield diagonal position, second skeleton is stretched over first skeleton and is on the same straight line, and synchronous rotational regression is to reference position, it is the lower edge position of Windshield, windscreen wiper three different particular job positions is like this: reference position, the position at Windshield diagonal angle, the bending end position, windscreen wiper repeats wiper in operation interval, preceding two control position first skeletons and second skeleton all are in straight configuration, since second control position, relative first skeleton of second skeleton turns back to reversing sense gradually from straight configuration, end position until the 3rd state, constitute bending screen wiper, its brushing area maximum like this.

The present invention has following remarkable advantage:

Adopt such scheme, the windscreen wiper sheet is formed by two sections, two sections end points is movably connected, therefore the fan-shaped angle that forms can opening and closing, described opening and closing angle is by above-mentioned bending mechanism control, need only a jiao of being installed in Windshield with such wiper, during wiper work, can scrape off rainwater when launching than the large tracts of land Windshield by the far-end windscreen wiper sheet of bending device control, can avoid again after the bending stretching out beyond the Windshield upper limb, such mode is different from the wiper of known technology, and has realized purpose of the present invention.

Bending screen wiper good looking appearance of the present invention, operation is coordinated, wiper mode uniqueness.

Bending screen wiper of the present invention is when being installed in the copilot position, under wiper angle, the frequency situation identical with traditional windscreen wiper, the time that bending screen wiper stops in chaufeur the place ahead has only 1/3rd of traditional wiper, disturbs littler to sight line.

Use the user vehicle of traditional windscreen wiper not need original miscellaneous part is done any change, directly change bending screen wiper, its compatibility is good, can use the raspatory sheet, also can use no raspatory sheet, give main engine plants supporting, its design, install then more flexible.

Bending screen wiper of the present invention has the hommization intelligent characteristic, structure is ingenious rationally, the developing policy that meets auto-domain, vehicular spare parts manufacturing industry cost-cutting, lifting product efficacy, also can satisfy the demands of consumers, if adopted, will produce huge social benefit and economic benefit by society.

Description of drawings:

Fig. 1 is the installing condition figure of bending screen wiper;

Fig. 2 is the working state figure of bending screen wiper;

Fig. 3 is the block diagram of the bending device part of bending screen wiper;

Fig. 4 is the structural perspective of Fig. 3 moderate rain scraping arm leading portion;

Fig. 5 is the coupled condition block diagram of first skeleton and second skeleton among Fig. 3;

Fig. 6 is for removing the bending device block diagram of windscreen wiper arm among Fig. 3;

Fig. 7 is the A-A cutaway view among Fig. 3;

Fig. 8 is the running condition figure of bending screen wiper;

Fig. 9 is bending screen wiper embodiment 2 schematic diagrams;

Figure 10: having has the bending screen wiper of bone windscreen wiper structural representation.

Figure 11: the bending screen wiper structural representation that has no bone windscreen wiper.

Figure 12: the bending device shell of bending screen wiper and windscreen wiper arm bonded assembly structural representation.

Figure 13: the cross sectional shape scheme drawing of rubber scraping article.

Figure 14: second kind of bending device structural representation of a kind of bending screen wiper of expression the present invention.

Figure 15: the driven Transmission structural representation of second kind of bending device.

Figure 16: the active Transmission structural representation of second kind of bending device.

Figure 17: the third bending device structural representation of a kind of bending screen wiper of expression the present invention.

Figure 18: in the third bending device, the structural representation of another sliding type of active Transmission.

Figure 19: the active Transmission structural representation of the third bending device.

Figure 20: the driven Transmission structural representation of the third bending device.

Figure 21: at the another kind of mounting means of windscreen wiper arm roots stay cord.

Figure 22: the 4th kind of bending device structural representation representing a kind of bending screen wiper of the present invention.

Figure 23: the driven Transmission structural representation of the 4th kind of bending device.

Figure 24: the active Transmission structural representation of the 4th kind of bending device.

Figure 25: the described bending device shell and first skeleton and first kind of connection mode figure of the second skeleton bonded assembly.

Figure 26: the described bending device shell and first skeleton and second kind of connection mode figure of the second skeleton bonded assembly.

Figure 27: the described bending device shell and first skeleton and second the third connection mode of skeleton bonded assembly figure.

The specific embodiment:

The invention will be described further below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.

As shown in Figure 1, wiper of the present invention comprises a windscreen wiper arm 1, and windscreen wiper arm 1 is captiveed joint with the turning cylinder that rain shaving electrical machine drives by a screw 2.On windscreen wiper arm 1, adorn a windscreen wiper sheet combination, the soft rubber bar 5 that described windscreen wiper sheet combination comprises skeleton and supported, described soft rubber bar 5 is the soft rubber scraping article 5 of a whole piece, described skeleton bonded assembly is the elastic skeleton that the skeleton of bone windscreen wiper sheet is arranged or do not have bone windscreen wiper sheet, as shown in Figure 10 and Figure 11, Figure 10 has the bending screen wiper of bone windscreen wiper structural representation, Figure 11 is the bending screen wiper structural representation that has no bone windscreen wiper, described skeleton promptly can be two multilayer multiple spot bracket institutions (as Figure 10) that the bone windscreen wiper is arranged, it also can be the elastic steel sheet (as Figure 11) of two no bone windscreen wipers, described windscreen wiper sheet makes up the support bar 28 in the groove that also comprises the soft rubber scraping article 5 bilateral symmetry setting of packing into, in each groove, be provided with head and the tail relatively and in two parallel support bars of rubber scraping article length direction, as Figure 13, shown in 13, the cross sectional shape of rubber strip 5 as shown in Figure 13 be inverted " master " font, middle crooked place at rubber scraping article 5, be the positions of two sections support bars 28 head and the tail seams, on each scrapes the midway location of bone 25, install be provided with two scraping blade bridge pieces 24 respectively with first skeleton 3, the two sectional type scraping blade combination that the outer end points of one second skeleton 4 constitutes by an active connection bent.

As described in scheme, the design's windscreen wiper sheet combination is formed by two sections, the end of first skeleton of arranging along windscreen wiper arm 1 bar shaped direction 3 flexibly connects second skeleton 4 by pivot pin, second skeleton 4 can rotate around pivot pin, control the bending device 26 that has of second skeleton, 4 rotations, skeleton is supported with by scraping blade bridge piece 24 and scrapes bone 25 and soft rubber bar 5 accordingly.

The wiper that above structure is formed, as shown in Figure 2, when rain shaving electrical machine starts, driving windscreen wiper arm 1 rotates, this moment is if whole to be in as the B position among Fig. 2 be the position of basic horizontal to the windscreen wiper arm, then first skeleton 3 and second skeleton 4 are in straight configuration, rain shaving electrical machine rotates, this moment, wiper just can scrape the rainwater of Windshield far-end, along with rain shaving electrical machine constantly rotates within certain scope, when windscreen wiper goes to the Windshield diagonal position along with windscreen wiper arm 1, along with continuing to drive first skeleton 3, windscreen wiper arm 1 rotates, make second skeleton, 4 relative first skeletons 3 turn back to reversing sense gradually by bending device 26 from the state that stretches, make between itself and first skeleton 3 and form angle, when first skeleton 3 goes to the lateral edges position of Windshield, second skeleton and first skeleton form the angle state of the angle that is about 90 degree of 7 fonts, form angle between two skeletons to adapt to Windshield, it is the C position on one side that Wiping device finally arrives Windshield, subsequently, windscreen wiper returns, bending device is controlled second skeleton 4 and is stretched gradually, arrives the B position at last, repeats wiper like this.Its working process as shown in Figure 8, three control positioies of windscreen wiper have been demonstrated, reference position, the longest linear position, the bending end position, preceding two all are in straight configuration, since second control position, second skeleton, 4 relative first skeletons turn back to reversing sense gradually from straight configuration, until the end position of the 3rd state, and the brushing area maximum of Gou Chenging like this.

As Fig. 2-Fig. 7 is the constructional drawing of bending device, and for expressing bending device, Fig. 6 removes Fig. 3 moderate rain scraping arm 1 and the fundamental diagram of other structures formation bending devices that only drawn, and structure such as Fig. 3-6 the most intuitively.Described bending device comprises that being provided with one first puts bar 6, the two ends of pendulum bar 6 flexibly connect by the two ends of tie rod 7 and one second pendulum bar 8, one end of the second pendulum bar 8 is fixed with a vertical guide pillar 9, guide pillar 9 cooperates with curve slotted eye on the frid 10, wherein, porose pivot pin 11 with binding first skeleton 3 and second skeleton 4 cooperates on the first pendulum bar 6, second pendulum is porose on the bar 8 to be cooperated with a pivot pin that is fixed on the windscreen wiper arm 1, also be fixed with a pulley 12 on the board plane of frid 10, have common rotary hole on frid 10 and the pulley 12, a pivot pin 13 that is fixed on the windscreen wiper arm 1 cooperates with described rotary hole, and pass rotary hole and cooperate with a slotted eye 14 of opening on first skeleton 3, pulley 12 links to each other with another pulley 15 that is arranged on windscreen wiper arm 1 root by flexibly connecting element.The described element that flexibly connects is a stay cord 16.

Be illustrated in figure 5 as first skeleton 3 described in the scheme and the coupled condition figure of second skeleton 4, the end of first skeleton 3 has elongated slot 17, form the cell wall of fork-shaped, the end of second skeleton 4 makes tenon shape 18 and cooperates with the front end of elongated slot 17, the place of repetition that cooperates has the hole of concentricity line, described hole cooperates with pivot pin 11, rotate around pivot pin 11 for ease of second skeleton 4, the hole that the pivot pin 11 and first skeleton 3 are opened is a running-fit, the tenon of pivot pin 11 and second skeleton 4 is partly for captiveing joint, and connection mode is that flush fit or connect by tightening member all can.

The front end position of having drawn windscreen wiper arm 1 as the diagrammatic sketch of Fig. 4, its end is fixed with the pivot pin 21 that root one by one cooperates with inclined hole 20, front end at windscreen wiper arm 1 also is distributed with two other mounting hole, one for installing the set hole 22 of pivot pin on the second pendulum bar 8, one for installing the hole 23 of pivot pin 13, that is to say that windscreen wiper arm 1 is connected with pivot pin by two places with first skeleton of arranging by windscreen wiper arm 1 bar shaped direction 3, one place is that pivot pin 21 cooperates with inclined hole 20, an other place cooperates with slotted eye 14 by pivot pin 13, pivot pin 13 is movable with cooperating of slotted eye 14, like this, windscreen wiper arm 1 just can not be offset first skeleton 3 at horizontal surface, both overlap all the time, but the angle on the vertical surface can change.Angle can change just can make the elastic element on the windscreen wiper arm play a role, make its pressure that produces by elastic element make on first skeleton 3 and second skeleton 4 with wiper blade can be close to the purpose that reaches normal operation on the Windshield.This is understandable.

The A-A cutaway view of Fig. 7 has been expressed the assembly relation between the pivot pin 21 on pivot pin 11 and first skeleton, 3, the second skeletons 4 and the windscreen wiper arm 1, the transmission of power between each part as can be known from the assembly relation, thus understand the principle of work of bending device.In diagram, centre along pivot pin 11 has an inclined hole 20, the intrinsic line of centers of the line of centers of inclined hole 20 and pivot pin 11 forms a very little angle, shape such as Fig. 6 of pivot pin 11 draw, the part of exposing cell wall after the assembling is whittled into a rectangle raised line 19 that can cooperate with the first pendulum bar 6, also can be arranged to the attaching parts that other can cooperate with the first pendulum bar 6, the first pendulum bar 6 is contained in thicker position, pivot pin 21 upper ends, after inclined hole 20 is inserted in pivot pin 21 lower ends, rectangular opening and rectangle raised line 19 on the first pendulum bar 6 are chimeric, therefore the first pendulum bar 6 can pass to moment of torsion pivot pin 11, second skeleton 4 is captiveed joint with pivot pin 11, and pivot pin 11 just can drive second skeleton 4 and rotate.Can understand from Fig. 3, the first pendulum bar 6 is subjected to the control of the second pendulum bar 8, the rotation of the second pendulum bar 8 is by frid 10 controls, when frid 10 rotates, pre-designed guide groove shape makes guide pillar 9 produce predetermined motion, thereby drive 8 swings of the second pendulum bar, and the rotation of frid 10 is to be provided by the pulley 12 of captiveing joint with it.Being set to inclined hole in the pivot pin 11 is in the process of second skeleton, 4 bendings, rotation along with pivot pin 11, angle on windscreen wiper arm 1 and first skeleton, 3 vertical surface can slightly increase, second skeleton 4 also has the action similar to first skeleton 3, like this, the junction of two sections skeletons can be lifted gradually and thrust is distributed to equably on another end points of first skeleton 3 and second skeleton 4, so just can make soft rubber bar 5 obtain uniform thrust.After the pivot pin 11 and the first pendulum bar 6 separate again ingear to design be can take off from windscreen wiper arm 1 easily when changing windscreen wiper sheet or skeleton.

Pulley 12 links to each other by a stay cord 16 with pulley 15, pulley 15 is concentricity line setting with turning cylinder, the screw 2 of driven by motor, but pulley 15 is fixedly mounted on the vehicle body, do not rotate with turning cylinder and scraping arm, when scraping arm rotated, the stay cord that connects pulley 15 and pulley 12 applied pulling force just can for pulley 12.

By above-mentioned principle of design as can be seen, its principle of work in first embodiment of described bending device is equivalent to the four-bar mechanism of a cam mechanism control.When rain shaving electrical machine starts, driving windscreen wiper arm 1 rotates, be in as B position in Fig. 2 if the windscreen wiper arm is whole this moment, then first skeleton 3 and second skeleton 4 are in straight configuration, rain shaving electrical machine clockwise rotates, this moment, wiper just can scrape the rainwater of Windshield far-end, rotation along with rain shaving electrical machine, Wiping device moves closer to the upper limb of Windshield, bending device bends second skeleton 4 gradually, forming angle between two skeletons to adapt to Windshield, is the C position on one side Wiping device finally arrives Windshield, and windscreen wiper rotates counterclockwise, bending device is controlled second skeleton 4 and is stretched gradually, arrive the B position at last, repeat wiper like this, its mode of operation as shown in Figure 8.

This device can not done any repacking, and direct mount is given to install and use to bring convenience, and do not blocked driver vision to ready-made rain shaving electrical machine axle, and wiper efficient is higher.

Can also derive following structure from above-mentioned principle of design.

Embodiment 2

Present embodiment is still based on the structure of the foregoing description 1, promptly comprise the windscreen wiper arm, basic structures such as first skeleton and second skeleton, the windscreen wiper arm supports first skeleton along the bar shaped direction, one second skeleton and the first skeleton end flexibly connect by pivot pin, and flexibly connect with a bending device.

The principle of design of bending device as shown in Figure 9, described bending device include one first the pendulum bar 6 ', its two ends by flexibly connect element with one second the pendulum bar 8 ' two ends link to each other, second the pendulum bar 8 ' an end be fixed with a vertical guide pillar 9 ', guide pillar 9 ' with a frid 10 ' on the curve slotted eye cooperate, wherein, the first pendulum bar 6 ' porose be connected first skeleton 3 ' with second skeleton 4 ' pivot pin 11 ' cooperation, the second pendulum bar 8 ' go up is porose to be fixed on one that the pivot pin near root position cooperates on the windscreen wiper arm, frid 10 ' on center of gyration is arranged, its rotary hole is fit on the motor shaft with the windscreen wiper arm roots, and tightens up the windscreen wiper arm roots with screw.But frid 10 ' be fixed on the vehicle body does not rotate with motor shaft.

The bending device of present embodiment has removed a pair of pulley 12 and 15 among the embodiment 1, directly the frid among the embodiment 1 10 is installed in the windscreen wiper arm roots.Its principle of work is: when motor shaft rotates, the windscreen wiper arm is in company with rotation, but frid 10 ' motionless, so the second pendulum bar 8 ' owing to guide pillar 9 ' guiding makes second pendulum bar 8 ' rotation, thereby drive the stay cord 16 ' drive first pendulum bar 6 ' rotation synchronously, and pivot pin 11 ' drives second skeleton of the first pendulum bar 6 ' is connected rotates to form and bends, and formed bending action and embodiment 1 are together.

More than be two specific embodiment of bending device, be two similar quadrangle drive mechanisms, there are other versions can realize the action of bending device equally below, also have second kind of bending device structural representation of a kind of bending screen wiper of the present invention as shown in figure 14.Figure 17: the third bending device structural representation of representing a kind of bending screen wiper of the present invention.Figure 22: the 4th kind of bending device structural representation representing a kind of bending screen wiper of the present invention.

Second kind of bending device structural representation at a kind of bending screen wiper shown in Figure 14, described bending device 26 comprises: bending device shell 227, active Transmission 210, driven Transmission 206, stay cord 16 and pulley 15, described pulley 15 is installed in described windscreen wiper arm 1 root and vehicle body relative fixed, initiatively Transmission 210 is in transmission connection with driven Transmission 206, as Figure 15 and shown in Figure 16, this is in transmission connection is by two special-shaped cylinders 204 are set on driven Transmission 206,205 insert two chutes 202 that active Transmission 210 is provided with, 203 cooperate the generation transmission of sliding, its active Transmission 210 is provided with and pulley 16 two ends bonded assemblys flexibly connect point 207,208, pivot pin is installed in the circular hole 201 to be connected with bending device shell 227, pivot pin 11 is housed on the driven Transmission 206 to be connected with second skeleton 4, also porose 209 are equipped with pivot pin is connected with bending device shell 227, and described stay cord 16 forms around shape between the outer of active Transmission 210 and pulley 15.As shown in figure 12, windscreen wiper arm 1 and bending device shell 227 are to be fastenedly connected, as welding or bonding etc., Figure 14 has represented that also windscreen wiper is along with windscreen wiper arm 1 rotates the active Transmission 210 when two diverse locations and the different conditions of driven Transmission 206, so that the process of clearer its motion of expression and state of kinematic motion.

The motion process of present embodiment is: when windscreen wiper is in B position shown in Figure 2, two special-shaped cylinders 204 on the driven Transmission 206,205 are positioned at two chutes 202 on the active Transmission 210, an end of 203, when windscreen wiper goes to the Windshield diagonal position of windscreen wiper activity along with windscreen wiper arm 1, described driven Transmission 206 drives two special-shaped cylinders 204,205 go to two chutes 202,203 corner, windscreen wiper is in straight configuration, windscreen wiper goes to after the Windshield diagonal position along with windscreen wiper arm 1, along with continuing to drive first skeleton 3, windscreen wiper arm 1 rotates, two special-shaped cylinders 204 on the driven Transmission 206,205 turn over the turning, and gradually to two chutes 202,203 the other end is close, make second skeleton, 4 relative first skeletons turn back to reversing sense gradually from straight configuration, make between itself and first skeleton 3 and form angle, when the lateral edges position that first skeleton 3 goes to Windshield is the C position, two special-shaped cylinders 204,205 are positioned at two chutes 202,203 the other end, second skeleton and first skeleton form the angle that is about 90 degree of 7 fonts.

The third bending device structural representation of a kind of bending screen wiper as shown in figure 17, described bending device 26 comprises: bending device shell 327, it is provided with slideway 309, be provided with initiatively Transmission 310, driven Transmission 306, stay cord 16 and pulley 15 in the slideway 309, described pulley 15 is installed in described windscreen wiper arm 1 root and vehicle body relative fixed, described active Transmission 310 slides in slideway 309 by stay cord 16, and initiatively Transmission 310 is in transmission connection with driven Transmission 306.

As Figure 18, Figure 19 and shown in Figure 20, in Figure 18, this is in transmission connection is by two chutes 302,303 (as shown in figure 19) cooperation slip generation transmission that is provided with on two special-shaped cylinders 304,305 (as shown in figure 20) insertion active Transmission 310 is being set on the driven Transmission 306, in Figure 20, driven Transmission 306 is connected by rotating shaft 308 with the bending device shell, pivot pin 11 is housed on the driven Transmission 306 is connected with second skeleton 4, described stay cord 16 forms around shape between the outer of active Transmission 310 and pulley 15.

Initiatively the slip of Transmission 310 can be divided into the dual mode realization:

First kind of mode is: as shown in figure 17, away from an end of stay cord one pulley 312 is set at shell 327, its stay cord 16 1 ends are connected on the point 301 of active Transmission 310, the other end is walked around pulley 312 and is connected with pulley 15 and with active Transmission 310 point of connection 307, the pulling force of stay cord 16 is by pulley 312 or only be that an axle is just with the pulling force conversion direction like this, realize the initiatively crank motion of Transmission 310, make second skeleton, 4 reciprocally swingings thereby the crank motion of active Transmission 310 drives the swing of driven Transmission 306.

The second way is: as shown in figure 18, stay cord 16 1 ends are movably connected on the point 301 of active Transmission 310, the other end is arranged on the tail end of the telescopic convergent-divergent support 311 on the bending device shell 327, convergent-divergent support 311 is fixed on the point 316 on the shell 327, when stay cord 16 spurs, telescope support rotates and the generation longitudinal extension around point 316, another end points 317 of convergent-divergent support 311 is pushing tow active Transmission 310 periodically, make initiatively Transmission 310 crank motions, make second skeleton, 4 reciprocally swingings thereby the crank motion of active Transmission 310 drives the swing of driven Transmission 306.

In addition, also there are two kinds at the mounting means of windscreen wiper arm roots stay cord 16, as shown in figure 17, adopt pulley 15 to be fixed on the vehicle body, stay cord 16 is fixed at point 313 places of pulley 15, and and for example among Figure 21, the two ends direct connection of stay cord 16 is on two points 314 on the vehicle body and 315.

The working process of present embodiment is: initiatively Transmission 310 can slide in the chute on the shell 327 309, driven Transmission 306 is center of circle swing with rotating shaft 308, two special-shaped cylinders 304 on the driven Transmission 306,305 insert two chutes 302 on the active Transmission 310, cooperating in 303 slides produces transmission, when active Transmission 310 slides, second skeleton 4 can be pressed the projected path swing, when windscreen wiper is in B position shown in Figure 2, two special-shaped cylinders 304 on the driven Transmission 306,305 are positioned at two chutes 302 on the active Transmission 310, an end of 303, when windscreen wiper goes to the Windshield diagonal position along with windscreen wiper arm 1, described driven Transmission 306 drives second skeleton 4 and goes to two chutes 302,303 corner, windscreen wiper is in straight configuration, windscreen wiper turns over after the Windshield diagonal position along with windscreen wiper arm 1, along with continuing to drive first skeleton 3, windscreen wiper arm 1 rotates, two special-shaped cylinders 304 on the driven Transmission 306,305 turn over the turning, and two chutes 302 on active Transmission 310 gradually, 303 the other end is close, make second skeleton, 4 relative first skeletons turn back to reversing sense gradually from straight configuration, make between itself and first skeleton 3 and form angle, when the lateral edges position that first skeleton 3 goes to Windshield is the C position, two special-shaped cylinders 304,305 are positioned at two chutes 302,303 the other end, second skeleton and first skeleton form the angle that is about 90 degree of 7 fonts.Figure 17 has represented that also windscreen wiper is along with windscreen wiper arm 1 rotates the active Transmission 310 when two diverse locations and the different conditions of driven Transmission 306, so that the process of clearer its motion of expression and state of kinematic motion.

The 4th kind of bending device structural representation of a kind of bending screen wiper as shown in figure 22, the 4th kind of scheme of described bending device 26 comprises: bending device shell 427, the active Transmission 410 that has the gear teeth, the driven Transmission 406 that has the gear teeth, stay cord 16 and pulley 15, initiatively Transmission 410 is in transmission connection with driven Transmission 406, as Figure 23 and shown in Figure 24, this is in transmission connection and realizes by following structure, described driven Transmission 406 is an axis swing with the axle 409 that is fixed on the bending device shell 427, described active Transmission 410 is an axis swing with the axle 401 that is fixed on the bending device shell 427, driven Transmission 406 is provided with a swing arm 404, one end of its swing arm 404 is fixed on the driven Transmission 406, the other end stretches out cantilever, a cylinder 405 is set in the end of cantilever, on active Transmission 410, be provided with two gib blocks 402,403, cylinder 405 can slip into two gib blocks 402, slide in the chute that is constituted between 403, be mainly used in the pendulum angle of controlling driven Transmission when initiatively Transmission 410 and driven Transmission 406 break away from, cylinder 405 breaks away from two gib blocks 402 when active Transmission 410 and 406 engagements of driven Transmission, the chute that is constituted between 403, cylinder 405 enters two gib blocks 402 when active Transmission 410 separates with driven Transmission 406, slide in the chute that is constituted between 403.Be equipped with on the driven Transmission 406 pivot pin 11 be connected with second skeleton 4, also with bending device shell 427 on axle 401 flexibly connect, described active Transmission 410 is provided with pulley 16 two ends bonded assemblys and flexibly connects point 407,408, and described stay cord 16 forms around shape between the outer of active transmission 210 and pulley 15.Figure 22 has represented that also windscreen wiper is along with windscreen wiper arm 1 rotates the active Transmission 410 when two diverse locations and the different conditions of driven Transmission 406, so that the process of clearer its motion of expression and state of kinematic motion.

The working process of present embodiment is: when windscreen wiper is in B position shown in Figure 2, cylinder 405 on the driven Transmission 406 is positioned at two gib blocks 402 on the active Transmission 410, one end of the chute that is constituted between 403, when windscreen wiper along with windscreen wiper arm 1 goes to the Windshield diagonal position, cylinder 405 has moved along chute and has broken away from chute after a section moves to the other end, initiatively Transmission 410 and driven Transmission 406 have just meshed, driven Transmission 406 is connected by meshing transmission with active Transmission 410 beginning teeth, go to the lateral edges position of Windshield until windscreen wiper arm 1, described driven Transmission 406 drives second skeleton 4 by pivot pin 11 and goes to the Windshield diagonal position with active Transmission 410 coaxial lower edge positions from Windshield, at this moment be that cylinder 405 moves a section along chute and moves, when being rotated further, active Transmission 410 and driven Transmission 406 tooth engaged transmission, lateral edges position to Windshield is the C position, make second skeleton, 4 relative first skeletons turn back to reversing sense gradually, rotate to second skeleton and first skeleton always and form the angle that is about 90 degree of 7 fonts from straight configuration.

The connection mode of described bending device shell and first skeleton 3 and second skeleton 4 has 3 kinds:

First kind of mode: be bending device shell and first skeleton 3 and second skeleton, 4 connection modes and the coupled condition figure described in the scheme of quadrangle drive mechanism for bending device as shown in figure 25.An end overlapping mode that is described first skeleton, 3 one ends and second skeleton 4 adopts dovetail arrangement and two combination connecting modes that locating dowel pin is formed, described dovetail arrangement is that the end of arbitrary bridge has elongated slot, form the U-lag wall, the end of another bridge makes tenon shape and cooperates with elongated slot, be provided with coaxial through-hole and use the flexible connection of round pin axle at tenon and elongated slot headlap place, in Figure 25, the end of second skeleton 4 has elongated slot 517, form the cell wall of fork-shaped, the end of first skeleton 3 makes cooperating of tenon shape 518 and elongated slot 517, the place of repetition that cooperates has the hole of concentricity line, described hole cooperates with pivot pin 11, rotate around pivot pin 11 for ease of second skeleton 4, the hole that the pivot pin 11 and first skeleton 3 are opened is a running-fit, the tenon of the pivot pin 11 and second skeleton 4 is partly for being fastenedly connected, and connection mode is that flush fit is pressed into or connects by tightening member and all can.In addition, one end overlapping mode of described first skeleton, 3 one ends and second skeleton 4 adopts dovetail arrangement and two combination connecting modes that locating dowel pin is formed, what adopt in Figure 25 is exactly the mode of two locating dowel pins, described two locating dowel pins 521,523 are arranged on the shell 527 of bending device, one of them locating dowel pin 521 inserts in the hole of pivot pin 11, another locating dowel pin 523 inserts in first skeleton, the 3 set holes, on even transmission thrust to the first skeleton 3 and second skeleton 4.

Also have, in Figure 26, a locating dowel pin 623 only is set on the described shell 627, this locating dowel pin 623 is the L shaped locating dowel pins that adopt vertical section and be parallel to tilting section composition of housing, first skeleton, 3 sides are provided with its angle of inclination and the tilting section inclined hole 629 that angle adapts, mainly be to be parallel to tilting section of the bending device shell to be connected with the inclined hole 629 that adapts of set its angle of inclination on first skeleton 3, all even more laborsaving than the power that vertically disposed locating dowel pin transmitted like this.

Also have, in Figure 27, two locating dowel pins of being made up of the vertical section and the positioning section of parallel housing and vertical first skeleton 3 sides 721,723 are set on the described bending device shell 727, the joint face of its location mainly is two positioning sections, two positioned parallel holes 729,730 perpendicular to the side are set in first skeleton, 3 sides, described locating dowel pin 721,723 inserts knock hole 729,730 from first skeleton, 3 sides, more all even more laborsaving than the power that locating dowel pin transmitted is set like this.

Claims

1, a kind of bending screen wiper, on the rain shaving electrical machine rotating shaft driven, adorn the windscreen wiper arm (1) that a front end can be swung, go up the combination of dress windscreen wiper sheet at windscreen wiper arm (1), described windscreen wiper sheet combination comprises a skeleton and a soft rubber scraping article (5) that is supported, it is characterized in that: described windscreen wiper sheet combination is formed by two sections, windscreen wiper arm (1) supports first skeleton (3) along the bar shaped direction, one second skeleton (4) flexibly connects by a pivot pin and a bending device (26) with aforesaid first skeleton (3) end, by the predetermined swinging track of bending device (26), after second skeleton (4) goes to certain angle by straight configuration from reference position with first skeleton (3), first skeleton (3) is rotated further, second skeleton (4) contrarotation, go to the lateral edges position of Windshield when first skeleton (3), first skeleton (3) and second skeleton (4) form the angle that is about 90 degree of 7 fonts, finish being rotated in the forward; First skeleton (3) is during from the lateral edges position-reversed rotational regression of Windshield, and relative first skeleton of second skeleton (4) (3) stretches gradually and is on the same straight line with first skeleton (3) gradually, and rotational regression is finished a circulation to reference position synchronously.

2. bending screen wiper according to claim 1, it is characterized in that: described windscreen wiper sheet makes up the support bar in the groove that also comprises the soft rubber scraping article bilateral symmetry setting of packing into, in each groove, be provided with head and the tail relatively and in two parallel support bars of rubber scraping article length direction, correspondingly with two support bars on the rubber scraping article be equipped with two and scrape bone, on each scrapes the midway location of bone, be provided with two scraping blade bridge pieces respectively with first skeleton (3), the two sectional type scraping blade combination that one second skeleton (4) constitutes by an active connection bent.

3, bending screen wiper according to claim 1, it is characterized in that: described bending device comprises that being provided with one first puts bar (6), the two ends of pendulum bar (6) flexibly connect by the two ends of tie rod (7) with one second pendulum bar (8), one end of the second pendulum bar (8) is fixed with a vertical guide pillar (9), guide pillar (9) cooperates with curve slotted eye on the frid (10), wherein, the first pendulum bar (6) is gone up porose pivot pin (11) with binding first skeleton (3) and second skeleton (4) and is cooperated, the second pendulum bar (8) is upward porose to be cooperated with a pivot pin that is fixed on the windscreen wiper arm (1), also be fixed with a pulley (12) on the board plane of frid (10), have common rotary hole on frid (10) and the pulley (12), a pivot pin (13) that is fixed on the windscreen wiper arm (1) cooperates with described rotary hole, and pass rotary hole and cooperate with a slotted eye (14) of opening on first skeleton (3), pulley (12) links to each other with another pulley (15) that is arranged on windscreen wiper arm (1) root by flexibly connecting element, pulley (12) links to each other by a stay cord (16) with pulley (15), the turning cylinder of pulley (15) and driven by motor, screw (2) is concentricity line setting, and pulley (15) is fixedly mounted on the vehicle body.

4, bending screen wiper according to claim 1, it is characterized in that: the end of first skeleton (3) has elongated slot (17), form the cell wall of fork-shaped, the end of second skeleton (4) makes tenon shape (18) and cooperates with the front end of elongated slot (17), the place of repetition that cooperates has the hole of concentricity line, described hole cooperates with pivot pin (11), rotate around pivot pin (11) for ease of second skeleton (4), pivot pin (11) is a running-fit with the hole that first skeleton (3) is opened, the tenon of pivot pin (11) and second skeleton (4) is partly for captiveing joint, connection mode is flush fit or connects by tightening member, the part that pivot pin (11) exposes cell wall is whittled into a rectangle raised line (19) or other Connection Element is set, there are rectangular opening and rectangle raised line (19) chimeric on the first pendulum bar (6), centre along pivot pin (11) also has an inclined hole (20), the intrinsic line of centers of the line of centers of inclined hole (20) and pivot pin (11) forms a very little angle, the end of windscreen wiper arm (1) is fixed with a pivot pin (21) that cooperates with inclined hole (20), front end at windscreen wiper arm (1) also is distributed with two other mounting hole, one for installing the set hole (22) of pivot pin on the second pendulum bar (8), the hole (23) for installation pivot pin (13).

5, bending screen wiper according to claim 1, it is characterized in that: described bending device comprises one first pendulum bar (6 '), its two ends link to each other with the two ends of one second pendulum bar (8 ') by flexibly connecting element, one end of the second pendulum bar (8 ') is fixed with a vertical guide pillar (9 '), guide pillar (9 ') cooperates with curve slotted eye on the frid (10 '), wherein, the first pendulum bar (6 ') is porose to be cooperated with the pivot pin (11 ') that is connected first skeleton (3 ') and second skeleton (4 '), the second pendulum bar (8 ') is gone up and porosely to be fixed on one that the pivot pin near root position cooperates on the windscreen wiper arm, frid has center of gyration on (10 '), its rotary hole is fit on the motor shaft with the windscreen wiper arm roots, and tighten up the windscreen wiper arm roots, frid 10 ' be fixedly mounted on the vehicle body with screw.

6, bending screen wiper according to claim 1, it is characterized in that: described bending device comprises: bending device shell (227), active Transmission (210), driven Transmission (206), stay cord (16) and pulley (15), described pulley (15) is installed in described windscreen wiper arm (1) root and vehicle body relative fixed, at least one special-shaped cylinder is set on the driven Transmission (206) to be inserted into the active Transmission (210) swung by the drive of stay cord (16) and to go up in set and the corresponding chute of cylinder quantity, pivot pin (11) is housed on the driven Transmission (206) to be connected with second skeleton (4), also have a hole (209) to be connected with pivot pin on the bending device shell (227), initiatively also have a hole (201) to be connected with pivot pin on the bending device shell (227) on the Transmission (210), described stay cord (16) forms around shape between the outer of active Transmission (210) and pulley (15).

7, bending screen wiper according to claim 1, it is characterized in that: described bending device (26) comprising: bending device shell (327), it is provided with slideway (309), be provided with slidably active Transmission (310) in the slideway (309), driven Transmission (306), stay cord (16) and pulley (15), described pulley (15) is installed in described windscreen wiper arm (1) root and vehicle body relative fixed, at least one special-shaped cylinder is set on the driven Transmission (306) to be inserted into by stay cord (16) and to drive on the active Transmission (310) slides in set and the corresponding chute of cylinder quantity, pivot pin (11) is housed on the driven Transmission (306) to be connected with second skeleton (4), also have a hole (308) to be connected with the pivot pin that bending device shell 327 is provided with, described stay cord (16) forms around shape between the outer of active Transmission (310) and pulley (15).

8, bending screen wiper according to claim 1, it is characterized in that: described bending device (26) comprising: bending device shell (427), swing connects the active Transmission (410) that has quadrant tooth on it, also swing is connected with the driven Transmission (406) that has quadrant tooth, stay cord (16) and pulley (15), on driven Transmission (406), be fixed with a cantilever (404), a cylinder (405) is set in the end of cantilever, on active Transmission (410), be provided with two gib blocks (402), (403), cylinder (405) can slip into two gib blocks (402), (403) slide in the chute that is constituted between, when being mainly used in initiatively Transmission (410) and driven Transmission (406) disengaging, described cantilever (404) controls the pendulum angle of driven Transmission, cylinder (405) breaks away from chute when active Transmission (410) and driven Transmission (406) engagement, when active Transmission (410) and driven Transmission (406) when separating cylinder (405) enter chute, pivot pin (11) is housed on the driven Transmission (406) to be connected with second skeleton (4), also being provided with hole (409) is connected with the pivot pin that bending shell (427) is provided with, initiatively there is a hole (401) to be connected on the Transmission (410) with the pivot pin that bending device shell (427) is provided with, also be provided with two point of connection (407), (408) two ends with stay cord (16) flexibly connect, and described stay cord (16) forms around shape between the outer of active Transmission (410) and pulley (15).

9. bending screen wiper according to claim 1, it is characterized in that: the connection mode of described bending device shell and first skeleton (3) and second skeleton (4) is the locating dowel pin connection mode, a locating dowel pin is set at least interconnects with the hole that adapts of being opened on any angle and the skeleton.