CN102416931B - Wiper - Google Patents

Abstract

The invention discloses a wiper, which comprises a frame-type elongated framework, a connecting device and a rubber windshield wiper strip, wherein the connecting device is connected with windshield wiper arms of an automobile; the rubber windshield wiper strip is supported by the frame-type elongated framework; the frame-type elongated framework comprises an elastic main beam and one or two elastic auxiliary beams; in a free state, the main beam is provided with a special smooth continuous curve track which is concavely bent downwards; the two ends of the main beam accord with the track; the middle section of the main beam accords with the track or is deviated from the track; the elastic auxiliary beams are positioned below the main beam and are approximately parallel to the main beam; the rubber windshield wiper strip is supported by the auxiliary beams; the auxiliary beams are connected with the main beam through a plurality of hooks on the main beam; and a structure for forming the frame structure or adjusting the distance between the auxiliary beams and the main beam is arranged between the auxiliary beams and the main beam, so the pressure of the wiper on an auto windscreen is distributed along the length of the wiper as uniformly as possible.

Description

Rain brush

Technical field

The present invention relates to a class car wiper.Described rain brush refers to and is applicable to being connected and obtaining power with the Wiper arm on automobile, in windscreen surface, back and forth brushes with movement in a curve, thereby brushes away rainwater, plays the effect that guarantees driving sight.

Background technology

The rain brush that automobile is used, the user can be as shown in Figure 1 to its major requirement.Fan-shaped expression rain brush in Fig. 1 inswept brush rain belt on Windshield, label V is primary vision area, is that the driver needs most the zone of seeing clearly, and label V ' is two limit vision areas, and the requirement in driver Dui Zhe 2nd district can be slightly low.During rain, the glass surface that rain brush is inswept should be fully moistening by water at brush, forms the good moisture film of perspective, should not have water wet less than like " paint face " shape De“Gan district "; Moisture film is very thin, should not have water to be gathered into to drip and flows down like " tear " sample; " waterline " that the arc trajectory inswept with rain brush is consistent should not appear yet.Evaluation for rain brush brush rain effect, waterline do not occur in V district and V ' district, is top grade; Only in V ' district slightly waterline be inferior top grade; Waterline is more, and more inferior grade.

In order to obtain the rain brush of high-quality, it is found that the distribution of pressure put on Windshield along the whole length of rain brush is more even, brush the rain effect better.In Fig. 2-a and Fig. 2-b, abscissa is the position along rain brush length, the 0th, and the mid point of rain brush, shift to the two ends of rain brush to from left to right; Ordinate is that rain brush puts on glass surface " the strong P of line pressure ", i.e. the suffered power of unit rain brush length, and P can mean with Newton/meter (N/m) or newton/centimetre (N/cm).The curve C of Fig. 2-a-1 is compared with the curve C-2 of Fig. 2-b, and the former is more evenly distributed by force than the line pressure of the tested rain brush of the latter by force by the line pressure of tested rain brush, is also in fact the former brush rain better effects if.

Just set connection structure is connected Wiper arm in its end and rain brush stage casing, namely in this point to the rain brush application of force.Wanting on the rain brush skeleton rubber rain brush bar in 40-70cm length of power by strip shape that this point applies, being evenly distributed on Windshield, is not that simple appearance is facile.

Summary of the invention

The objective of the invention is to overcome the shortcoming of background technology, a kind of rain brush is provided, this rain brush comprises: the frame-type long strip shape frame that supports this rain brush, the connecting device be connected with the Wiper arm of automobile arranged above the stage casing of this long strip shape frame, and the rubber rain brush bar that supports or hang by this long strip shape frame, described long strip shape frame be arc and have a flexural resilience, the concave surface of described arc is downwards towards windshield in use, and due to the downforce of described Wiper arm, with the antagonistic force of Windshield contact site, make the curature variation of this rain brush, make the overall length of described rubber rain brush bar with Windshield, contact and can brush away the rainwater on Windshield,

Described frame-type long strip shape frame comprise 1 elastomeric girder and be positioned at this girder below and with 1 or 2 elastomeric auxiliary girders of this girder almost parallel, the main body of this girder has to recessed curved specific smooth continuous curve shape under free state, the two ends of this girder meet described curved track, the stage casing of this girder meets described curvilinear figure track or departs from described curvilinear figure track, tag or lower tag can be set above or below the stage casing of this girder, described upper tag or lower tag perhaps are not set, then together with described 1 or 2 elastomeric auxiliary girders, form specific framed structure, by described auxiliary girder, support or hang described rubber rain brush bar, by be arranged on this girder or the lower tag of this girder on a plurality of suspension hooks this auxiliary girder is connected with this girder,

Described specific framed structure has the structure that is selected from following one at least:

(1) below the stage casing of described girder, 1 to 5 section lower tag with flexural resilience can be set, this time tag be rectilinear or arc upward recessed, or described lower tag is not set, then together with described 1 or 2 elastomeric auxiliary girders, form specific framed structure;

(2) in the both sides of described girder, the breach of regulating the crooked character of girder is set, then, together with described 1 or 2 elastomeric auxiliary girders, form specific framed structure;

(3) in the stage casing of described girder, make 1 to 5 section with this girder one but depart from the segment of described girder at the curvilinear figure track at this place, this segment is that arc is upward recessed, and above described segment, recessed downwards or the rectilinear or recessed upper tag upward of arc of arc can be set, described upper tag perhaps is not set, then, together with described 1 or 2 elastomeric auxiliary girders, forms specific framed structure;

(4) in the stage casing of described girder, make 1 to 5 section with this girder one but depart from the segment of described girder at the curvilinear figure track at this place, this segment is basically rectilinear, and the recessed upper tag downwards of linear or arc can be set above described segment, or linear or the recessed lower tag upward of arc can be set below described segment, described upper tag or lower tag perhaps are not set, then together with described 1 or 2 elastomeric auxiliary girders, form specific framed structure; And

(5) in the stage casing of described girder, make 1 to 5 section with this girder one but depart from the segment of described girder at the curvilinear figure track at this place, this segment is that arc is downwards recessed, the curvature of this segment is greater than the curvature of this girder at the curvilinear figure track at this place, and the recessed upper tag downwards of arc can be set above this segment, or the rectilinear or recessed lower tag upward of arc can be set below this segment, described upper tag or lower tag perhaps are not set, then together with described 1 or 2 elastomeric auxiliary girders, form specific framed structure.

Rain brush of the present invention, wherein, described specific framed structure also comprises elastomeric auxiliary girder, described auxiliary girder is the below that is positioned at described girder, and be to be positioned at same level and 2 auxiliary girders parallel to each other, described be arranged on this girder or the lower tag of this girder on a plurality of suspension hooks together with maybe this time tag is fixedly attached to this girder, and have 2 suspension hook legs from the lower tag of this girder or this girder to downward-extension, by these 2 suspension hook legs difference hook blocks, described 2 auxiliary girders have been hanged, basically the overall length of described 2 auxiliary girders, bill part together with each suspension hook leg, embed respectively in the groove on the left side of described rubber rain brush bar and right side, the bill part of described suspension hook leg is together with the position that described auxiliary girder contacts with each other is fixedly attached to, or be not fixedly connected with and can relative sliding, described girder is connected with upper tag and lower tag, and described auxiliary girder and the bill of described suspension hook leg to contact with each other being fixedly connected with of position can be welding, or clamp and connect with clamp, or adopt the rivet of limited sliding length-chute to connect.

Rain brush of the present invention, wherein, when in described specific framed structure, having described upper tag, the described connecting device be connected with the Wiper arm of automobile and described upper tag form parts, the base plate that is about to this connecting device extends to the left and right and forms tag, the extension that the base plate of described connecting device extends to the left and right can be rectilinear, or recessed downwards, or recessed upward.

Rain brush of the present invention, wherein, in described specific framed structure, below the stage casing of described girder, arrange 1 section or 2 sections or 3 sections and have flexural resilience, the rectilinear or recessed lower tag upward of arc, when described lower tag is 2 sections or 3 sections, the lower tag of each section be segmentation or be linked to be an integral body, the lower surface contact of the top of the lower tag of each section and end and described girder and being connected, or the Surface Contact of described top and one of end and another time tag be connected.

Rain brush of the present invention, wherein, described lower tag have left section, stage casing and right section totally 3 sections and be rectilinear or arc recessed upward, under described stage casing, the right-hand member of the left end of the two ends of tag, left section lower tag and right section lower tag is contact and be connected with the lower surface of described girder, and the right-hand member of described left section lower tag be with described stage casing under tag nearly left end position contact and is connected, the left end of described right section lower tag be with described stage casing under the nearly right-hand member position of tag contact and be connected.

Rain brush of the present invention, wherein, the both sides of the described girder in described specific framed structure, the breach of regulating the crooked character of girder is set, the number of described breach respectively has 1 to 6 in each side of this girder, the width of described breach (penetraction depth) be this girder width 6% to 30%, the total length of the described breach of each side of this girder is 5% to 30% of this girder total length, the breach line of described breach and the longitudinal axis of this girder have the angle of 0 ° to 30 °.

Rain brush of the present invention, wherein, in described specific framed structure, the curvilinear figure track of this girder at this place departed from the stage casing of described girder, and in this stage casing, make 1 section or 2 sections or 3 sections and this girder one, arc is to the curved segment of fovea superior, above described segment, recessed downwards or the rectilinear or recessed upper tag upward of arc of arc can be set, or described upper tag is not set, when described upper tag is that arc is recessed downwards the time, above the curvature of tag is equal to or greater than the curvature of this girder at the curvilinear figure track at this place, the top of each of described upper tag section with end with described girder or the contact of described segment be connected.

Rain brush of the present invention, wherein, in described specific framed structure, the curvilinear figure track of this girder at this place departed from the stage casing of described girder, and in this stage casing, make 1 section or 2 sections or 3 sections and this girder one, basically rectilinear segment, and the recessed upper tag downwards of linear or arc can be set above described segment, or linear or the recessed lower tag upward of arc are set below described segment, or described upper tag or lower tag be not set, the top of each section of described upper tag or lower tag contacts and is connected with described girder or described segment with end.

Rain brush of the present invention, wherein, in described specific framed structure, the curvilinear figure track of this girder at this place departed from the stage casing of described girder, and in this stage casing, make 1 section or 2 sections or 3 sections and this girder one, arc is to recessed curved segment, the curvature of this segment is greater than the curvature of this girder at the curvilinear figure track at this place, and the recessed upper tag downwards of arc can be set above this segment, or the rectilinear or recessed lower tag upward of arc is set below this segment, or described upper tag or lower tag be not set, the top of each section of described upper tag or lower tag contacts and is connected with described girder or described segment with end.

Rain brush of the present invention, wherein, in the stage casing of described girder, depart from the curvilinear figure track of this girder at this place, and have in the situation of segment of described and this girder one, the overall length of described girder is to be interconnected together by the position of a plurality of segmentations at each curvature mutation, the number of described segmentation is that the number of described segment adds 2, at the interconnected position of each segmentation, chimeric finger-shaped is mutually made in 2 terminations that will connect, peg graft mutually chimeric and weld, then carrying out necessary heat treatment and arrangement and form.

Rain brush of the present invention, take specific rain brush structure, obtains satisfied effect.

The accompanying drawing explanation

Fig. 1 is the schematic diagram that the generality of rain brush performance is discussed.

Fig. 2-a and Fig. 2-b are the schematic diagrams that rain brush is given an example to the generality of the distribution of pressure of Windshield.

Fig. 3-a to Fig. 3-j2 (comprise Fig. 3-a, Fig. 3-b, Fig. 3-c, Fig. 3-d, Fig. 3-e1, Fig. 3-e2, Fig. 3-f, Fig. 3-g1, Fig. 3-g2, Fig. 3-h, Fig. 3-i, Fig. 3-j1 and Fig. 3-j2) are the structural representations of rain brush of the present invention.

Fig. 4-a, Fig. 4-b, Fig. 4-c, Fig. 4-c1 and Fig. 4-d are the structural representations of the frame-type long strip shape frame of first embodiment of the invention.

Fig. 5-a, Fig. 5-a1, Fig. 5-a2, Fig. 5-a3, Fig. 5-b and Fig. 5-c are the structural representations of the frame-type long strip shape frame of second embodiment of the invention.

Fig. 6-a, Fig. 6-b and Fig. 6-c are the structural representations of the frame-type long strip shape frame of third embodiment of the invention.

Fig. 7-a, Fig. 7-c, Fig. 8-a and Fig. 8-c are the structural representations of the frame-type long strip shape frame of four embodiment of the invention.

The specific embodiment

In application documents of the present invention:

1) stage casing (zone) of described rain brush or its frame-type long strip shape frame, refer to the zone near the mid point of the whole length of rain brush, or the zone of the close described connecting device be connected with the Wiper arm of automobile, this regional scope is different in different occasions, this scope is lighted in described, respectively extend 10% to 35% of this rain brush total length to two terminations of rain brush; Outside described stage casing, be called two ends (zone) further from this mid point;

2) top of described rain brush or its frame-type long strip shape frame refers to that this rain brush is under the use state, and away from a side of Windshield, described below refers to the side towards Windshield.

3) described this girder has to recessed curved specific smooth continuous curve track under free state (not being subjected to external force).Under different situations, each of this girder section can meet this track, or departs from this track.Described specific curve refers to and meets certain basic mathematical curve, for example justifies ellipse, sin, tan, parabola, hyperbola, index and logarithmic curve etc.If there are two kinds of curves to connect, be smooth continuous.

4) about the main body of described girder, when the overall length of this girder all meets described curvilinear path, just refer to this girder itself of overall length; When the two ends of this girder meet described curvilinear path and the stage casing of this girder while departing from this curvilinear path, refer to the integral body that the two ends of described girder become together with the curvilinear path of this girder in stage casing.

5) in each accompanying drawing, in order to see feature trend clearly, each exaggerates draftings downwards and to the curvature majority of the curved arc of fovea superior, and actual bending curvature in kind generally so large.

Fig. 3-a to Fig. 3-j2 means the total structure feature of rain brush of the present invention.

Fig. 3-a means rain brush of the present invention.It comprises frame-type long strip shape frame 1 and rubber rain brush bar 6, and the connecting device 5 that is positioned at the top, stage casing of long strip shape frame 1, and connecting device 5 is for the Wiper arm of automobile, being connected.Rubber rain brush bar 6 is arranged on long strip shape frame 1 and becomes rain brush.In order to see clearly Chu, rubber rain brush bar 6 is separately drawn herein.Long strip shape frame 1 comprises elastomeric girder 2 and is positioned at the elastomeric auxiliary girder 3 under girder, the two is parallel to each other haply, zone 4 (meaning to be coated with grey in figure) is arranged between girder 2 and auxiliary girder 3, zone 4 represents the concrete framed structure that each embodiment of the present invention is constructed, and illustrates in detail respectively in the accompanying drawing of back and explanation.

Zone 4 a signal essential characteristic of the present invention from here: namely by described girder itself, or first described girder is carried out to changing of design, then form described framed structure with auxiliary girder 3.This framed structure can be: (1) the additional some sections lower tags in the stage casing of girder 2 or on the girder of tag after forming for a change, then together with auxiliary girder 3, form described framed structure; (2) or in the both sides of described girder, the breach of regulating the crooked character of girder is set, then, together with described 1 or 2 elastomeric auxiliary girders, form specific framed structure; (3) or the stage casing of girder 2 is changed system into this girder one but depart from the some section segments of this girder in the curvilinear path at this place, then the girder after additional lower tag or upper tag form for a change, and then form described framed structure together with auxiliary girder 3.

On rubber rain brush bar 6, groove 60 is arranged, see the explanation of Fig. 3-h.After installation, the overall length basically of auxiliary girder 3 is to be embedded among the groove 60 of rubber rain brush bar 6 and rubber rain brush bar 6 is sling (or picking-up).

Usually, a complete rain brush also comprises that the end cap that is positioned at long strip shape frame 1 two ends and the windscreen sheet that is positioned at long strip shape frame 1 top (are generally each of right and lefts, sometimes end cap and windscreen sheet close and make one, then right and left is respectively installed one), these parts belong to known technology, not shown.

Frame-type long strip shape frame 1 is made arc, the bending curvature of its arc is generally the bending curvature that is greater than windshield, due to the downward pressure of Wiper arm, make the arc-shaped concave of rain brush press to windshield in use, rubber rain brush bar 6 contacts with Windshield.Due to the antagonistic force of Windshield, make rain brush from its two ends by pop-up and curvature reduces, be reduced to its integral body near the curvature of Windshield, the overall length of rubber rain brush bar to be contacted with Windshield, thereby can brush away the rainwater on Windshield.

The flexural resilience that frame-type long strip shape frame 1 has how, particularly the flexural resilience along this long strip shape frame length distributes, especially in the situation that stage casing is pressed towards Windshield, from Qi Xiang two ends, stage casing, extend to the flexural resilience distribution situation of different parts, play very important effect for the brush rain effect of rain brush.Flexural resilience is evenly distributed, and can make distribution of pressure even.The present invention is exactly the various framed structures of zone 4 design between girder 2 and auxiliary girder 3, make at the suffered downward pressure of the connecting device 5 above the rain brush stage casing and can on the overall length at the rubber rain brush bar 6 of rain brush, distribute equably, thereby reach purpose of the present invention.

Fig. 3-b is the A-A view in Fig. 3-a.Pair of holes 29 is left in a plurality of positions that are illustrated in girder 2, and two suspension hook legs that make to suspend in midair the suspension hook 31 of auxiliary girder 3 are stretched under this place.Fig. 3-c is the A '-A ' view in Fig. 3-a.Mean two suspension hook legs of suspension hook 31 to be passed at this place, usually at this place, fix with welding process.In figure from behind, also can see, in some cases, suspension hook 31 is not to be attached on girder, but is attached on the lower tag of girder.In addition, suspension hook 31 descends other modes that also can adopt non-welding that are connected and fixed of tag with girder or its, for example by riveting, fixes, not shown.

Fig. 3-d has hung on girder 2 with vertical expression suspension hook 31 of long strip shape frame, and two suspension hook legs reach for 35 times under girder 2, prepares the bill 37 suspention auxiliary girders 3 (holding up rubber rain brush bar 6 by auxiliary girder 3 simultaneously) by it.While manufacturing suspension hook 31, manufacture on demand the size of different height 61, in order to adapt between girder 2 and auxiliary girder 3 in the different spacing size of diverse location, usually can manufacture 3 to 5 kinds of height.

B-B cutaway view in Fig. 3-f presentation graphs 3-a, a section of expression rain brush of the present invention.Comprise the section of long strip shape frame 1 and rubber rain brush bar 6 and the connecting device 5 of top, descried long strip shape frame stage casing (being connected on girder 2).In Fig. 3-f, can see suspension hook 31, its two suspension hook legs 35 suspend two auxiliary girders 3 and a slat gum rain brush bar 6 in midair together.

Fig. 3-e1 means that together with Fig. 3-e2 the rivet of limited sliding length-chute connects 43 (Fig. 3-e2 is the upward view of Fig. 3-e1).At the position that lower tag 21 or 123 (or upper tag) is connected with girder 2, at girder 2, leave chute 50, on tag, punch and pass this hole and chute 50 with rivet 51, the two is connected the slidably length limited by chute 50 can be arranged again, carry out like this elasticity distribution of conditioning box posture long strip shape frame, namely regulate the distribution of pressure of rain brush.

Fig. 3-g1 means that connecting device 5 and upper tag merge the assembly set 73 formed.It has the function of connecting device 5 and upper tag concurrently.It is the base plate of connecting device 5 to be stretched out to extension 74 to the left and right form.Extension 74 is that horizontal direction is rectilinear.In 75 embowments of termination section, be connected to adapt to girder.

Fig. 3-g2 means that the extension of assembly set 73 can make to recessed curved arc 74 ', or to the curved arc 74 of fovea superior ", in order to adapt to different structure situations.

Fig. 3-h means separately the transversal surface of rubber rain brush bar 6, there is a pair of groove 60 left and right sides on its top, the bill 37 of suspension hook leg 35 is embedded in groove 60 together with a pair of auxiliary girder 3, thereby by the bill 37 of suspension hook 31 auxiliary girder 3 of slinging, then hold up the left and right sides fin 59 of rubber rain brush bar 6 the superiors and realize the suspention of rubber rain brush bar 6 and fixing by auxiliary girder 3.

The side that Fig. 3-i is illustrated in girder 2 is made the schematic diagram of breach 201 or 202.Label 200 means the mid point of girder 2.The Cutting Length of breach 201 is 205, and cutting width (degree of depth) is 203, and its (vertically) line of cut (being the breach line) is oblique, with the longitudinal axis of girder 2, angle 207 is arranged.The Cutting Length of breach 202 is 206, and cutting width is 204, and its (vertically) line of cut is parallel with the longitudinal axis of girder 2.The number of making breach can respectively have 1 to 6 in each side of girder, the penetraction depth of described breach (width) be girder width 6% to 30%, the total length of each breach of each side of girder is 5% to 30% of girder total length, and the breach line of described breach (being vertical line of cut) is 0 ° to 30 ° with the angle 207 of the longitudinal axis of girder.Side at girder is made breach, and the elastic force that can change girder distributes, and the condition that this frame-type long strip shape frame is meeted the requirements is provided.

Fig. 3-j1 means that with Fig. 3-j2 girder and being connected with clamp of tag clamp and be connected 42 schematic diagram (Fig. 3-j1 presentation graphs 3-j2 looks up).Correspondence position at girder 2 and lower tag 21 or 123 (can be also upper tag) is left small gap 211, after aligned position, clamp 210 is set up, and clamping forms.

Above Fig. 3-a to Fig. 3-j2 illustrates the essential structure of rain brush of the present invention, only has frame area 4 casehistory not yet between girder 2 and auxiliary girder 3, is illustrated by following each embodiment of the present invention.

Embodiment one (Fig. 4-a, Fig. 4-b, Fig. 4-c, Fig. 4-c1 and Fig. 4-d)

Fig. 4-a means the base model of embodiment of the present invention one, and it is the lateral plan of long strip shape frame 11, comprises its stage casing and right-hand member, because long strip shape frame is the left-right symmetric structure, left end and right-hand member are identical, omit left end and do not draw, and some figure after this draw like this.In this figure, the stage casing of elastomeric girder 2 is the situations that meet described curvilinear path.Label 21 is lower tags of girder 2 belows.Lower tag 21 is similar with girder 2, is also to make with elastic sheet metal, also makes arc, but its is concave upright, relative with the arc-shaped concave of girder 2, produces spacing between the two.In fact, the curvature of girder 2 and lower tag 21 is all little, and it is so large that spacing does not between the two have to show in figure yet, is to adopt the exaggeration technique of painting in order to see feature clearly here, and analogue is also arranged in figure after this. Label 41,42 and 43 means the connection of the contact position of lower tag 21 and girder 2, and 41 mean to be welded and fixed, or 42 mean to fix with the clamp clamping means, or 43 mean that the rivet-chute method of attachment with limited sliding length fixes.Label 31 is aforesaid suspension hooks, and it hangs and be fixed on girder 2, stretches a pair of suspension hook leg got off and has been suspended in midair at same level a pair of auxiliary girder 3 parallel to each other by bill 37.Can see when auxiliary girder 3 are (in stage casings) just under lower tag 21 time, be that suspension hook 31 is arranged on lower tag 21, rather than be arranged on girder 2 that analogue is also arranged in following figure.In figure, at each suspension hook 31 place, the girder 2 of auxiliary girder 3 and relevant position or lower tag 21 be distance a little all, is the space of reserving, and prepares to embed the flank sheet 59 on rubber rain brush bar 6 tops and has suspended simultaneously rubber rain brush bar 6 in midair.Also should see, diverse location suspension hook 31 used is suspension hooks of selecting differing heights 61 (different sag), adapts to the needed different spacing of diverse location with the suspension hook 31 of differing heights.

Due to time tag 21 being installed below the stage casing at elastomeric girder 2, the elasticity distribution of girder being changed, thereby the elasticity distribution of whole long strip shape frame is changed.In concrete design, regulate the material (elasticity) of length, width, thickness, arc curvature and the use of lower tag 21, just can find optimum condition, make the elasticity distribution of whole long strip shape frame the most reasonable, thereby it is the most reasonable to make along the distribution of pressure of the whole length of long strip shape frame, reach purpose of the present invention.In figure, the implication of all the other labels is the same.

Fig. 4-b means another form of the long strip shape frame of embodiment of the present invention one, and time tag 22 has been installed in the below, stage casing of the girder 2 of long strip shape frame 12.Lower tag 22 is 2 sections recessed arcs upward, thereby the elasticity distribution of adjusting long strip shape frame has condition flexibly.Structure shown in figure is similar to Fig. 4-a, no longer repeats to set forth.In figure, the implication of all the other labels is the same.

Fig. 4-c means the another form of the long strip shape frame of embodiment of the present invention one, and time tag 23 has been installed in the below, stage casing of the girder 2 of long strip shape frame 13.Lower tag 23 is 3 sections recessed arcs upward, thereby the elasticity distribution of adjusting long strip shape frame has condition more flexibly.Structure shown in figure is similar to Fig. 4-a or 4-b, no longer repeats to set forth.In figure, the implication of all the other labels is the same.

The variation pattern of form shown in Fig. 4-c1 presentation graphs 4-c.In Fig. 4-c1, frame-type long strip shape frame 13-1 is similar to the long strip shape frame 13 of Fig. 4-c, lower tag 123 has left section, stage casing and right section totally 3 sections, wherein under stage casing, the two ends of tag are all to join with the lower surface of girder 2, the left end of left section lower tag still joins with the lower surface of girder 2, do not exist together is that the close left end position of tag under the right-hand member of left section lower tag and stage casing joins, the right-hand member of right section lower tag still joins with the lower surface of girder 2, and not existing together is that the close right-hand member position of tag under the left end of right section lower tag and stage casing joins.Like this, girder 2 has the lower tag 123 of above-mentioned overlap mode to be connected with 3 sections, forms unique framed structure.In figure, all the other label implications are the same.

Fig. 4-d means another form again of the long strip shape frame of embodiment of the present invention one, the structure of long strip shape frame 18 is similar to the long strip shape frame of Fig. 4-a 11, difference is that time tag 24 has been installed below the stage casing of girder 2, the bending curvature of lower tag 24 is minimum, approach or equal straight line, cannot say for sure to be upward recessed or below.The characteristics of this structure are easily prepared by lower tag 24, but still can obtain closing the effect of requirement.In figure, the implication of all the other labels is the same.

The mode of similar Fig. 4-d, lower tag 24 also can have 2 sections or 3 sections as Fig. 4-b and 4-c, can implement too, in figure, omit herein, not shown.Perhaps such with reference to Fig. 4-c1, make 3 sections lower tags 24 copy 3 sections lower tags 123 of Fig. 4-c1 overlapping like that, can implement too, in figure, omit herein, not shown.

The lower tag of the present embodiment (21,22,23,24,123 etc.) can be 1 section or multistage, reach 5 sections general at most, then multistage will be inconvenient or uneconomical.

In embodiment of the present invention one, the number of described suspension hook 31 generally can be by 4 to 16, depending on length and the specific design arrangement of rain brush.In following embodiment 2,3 and 4, the number of suspension hook is similar therewith.

At each suspension hook, suspended elastomeric auxiliary girder 3 in midair and position that bill 37 is contacted with auxiliary girder 3, both can connect together, or do not connect and can relative sliding; Perhaps a part connects in a plurality of suspension hooks, and another part does not connect.Its purpose is also the distribution of pressure for the framed structure of regulating whole rain brush, reaches purpose of the present invention.Described connection can be welding, or otherwise.In following embodiment two, three and four, connection or unconnected situation are similar therewith.

Embodiment two

Fig. 5-a, Fig. 5-a1, Fig. 5-a2, Fig. 5-a3, Fig. 5-b and Fig. 5-c mean frame-type long strip shape frame 15,15-1,15-2, the 15-3,16 and 17 of embodiment of the present invention two.

Fig. 5-a means the base model of embodiment of the present invention two, and it is the lateral plan of long strip shape frame 15, and in Fig. 5-a, label 72 is its girders.In this figure, the stage casing of elastomeric girder 72 is do not meet and depart from the situation of described curvilinear path.The integral body trend of girder 72 is still recessed arc downwards, but its stage casing is the segment 68 that becomes with it part of the whole.Long strip shape frame 15 shown in Fig. 5-a has 1 segment 68.The main paragraph of the width of segment 68, thickness and elasticity and elasticity girder 72 normally basically identical (but also exception can be arranged), but its bending curvature and main paragraph are identical or different, particularly the bending direction of segment 68 is opposite with main paragraph, namely upward recessed, and curved opposing with the arc of main paragraph, make girder 72 in stage casing, become the shape that discontinuous curvature has sudden change.Meanwhile, stage casing at girder 72, namely because segment 68 downward curved has recessed part, by connecting device 5 and upper tag, being merged the assembly set 73 formed supplies the camber line of the integral body of girder 72 trend, by wherein extension 74 ', the outward appearance of girder 72 is supplied as to recessed curved continuous camber line, namely the curvature of extension 74 ' is consistent with the curvature of elasticity girder 72.The width of extension 74 ', thickness and elasticity and elasticity girder 72 can be identical or different.Label 41 or 42 is 2 point of connection of extension 74 ' and elasticity girder 72, connects and fixes with welding or clamp.

Can see, in the present embodiment, use connecting device 5 and upper tag to merge the assembly set 73 formed, then with the termination of the Wiper arm of automobile, be connected, (in each figure thereafter similarly).Each suspension hook 31 is to be attached on the main paragraph or segment 68 of girder 72, in order to suspend a pair of auxiliary girder 3 in midair, suspends simultaneously rubber rain brush bar 6 (situation in each figure thereafter similarly) in midair.

Due to girder 72 therein the segment 68 of section make curvature mutation, and the effect of 2 elongated segment sections 74 ' and the connecting device 5 that links together, make the elasticity distribution of whole long strip shape frame change.In concrete design, regulate length and the curvature of segment 68, together with the material of width, thickness and the use of regulating extension 74 ' (elasticity), just can find optimum condition, make the elasticity distribution of whole frame-type long strip shape frame the most reasonable, and then make along the distribution of pressure of the whole length of long strip shape frame the most rationally, reach purpose of the present invention.

At each suspension hook, suspended auxiliary girder 3 in midair and made suspension hook point 37 positions that contact with auxiliary girder 3, both can connect together, or do not connect and can relative sliding; Perhaps a part connects in a plurality of suspension hooks, and another part does not connect.In figure, the implication of all the other labels is the same.

Fig. 5-a1 is one of version of the represented base model of Fig. 5-a, frame-type long strip shape frame 15-1 in figure is similar to the long strip shape frame 15 of Fig. 5-a, difference be the extension 74 ' of Fig. 5-a be recessed downwards, and the extension 74 of Fig. 5-a1 do not have recessed upwards or recessed downward arc curved, be basically rectilinear.In figure, the implication of all the other labels is the same.

Fig. 5-a2 be the represented base model of Fig. 5-a version two, frame-type long strip shape frame 15-2 in figure is similar to long strip shape frame 15 or the 15-1 of Fig. 5-a or Fig. 5-a1, and difference is that the extension in figure changes the curved recessed extension 74 upward of arc into ".Clearly, extension 74 " curvature can not to be greater than be equally also the curvature of recessed segment 68 upward, can complete configuration.In figure, the implication of all the other labels is the same.

Fig. 5-a3 be the represented base model of Fig. 5-a version three, frame-type long strip shape frame 15-3 in figure and the long strip shape frame 15 of Fig. 5-a or Fig. 5-a1 or Fig. 5-a2 or 15-1 or 15-2 are similar, although difference is the extension 74 ' in figure be also recessed downwards, but its curvature and girder 72 the curvature of the curvilinear path at this place compare larger (but also can be identical, also can be slightly smaller, not shown), can complete configuration.When the curvature of the curvilinear path at this place is identical, long strip shape frame 15-3 will be identical with the long strip shape frame 15 of Fig. 5-a when the curvature of extension 74 ' and girder 72.In figure, the implication of all the other labels is the same.

Fig. 5-b means another form of the long strip shape frame of embodiment of the present invention two, long strip shape frame 16 is similar to the long strip shape frame 15 of Fig. 5-a, do not exist together is that its stage casing of girder 82 has 2 sections segments 68, make elasticity girder 82 have the sudden change of 2 sections arcs and to the curved segment 68 of fovea superior, but integral curved trend is still to recessed curved.On 2 sections arcs segment 68 curved to fovea superior, be cover 2 segments 68 by connecting device 5 and upper tag, merge the assembly set 73 formed, at this moment extension 74 ' will stride across two segments 68 and will do longerly, and the outward appearance of elasticity girder 82 is become to recessed curved continuous camber line.Label 41 or 42 is point of connection of extension 74 ' and girder 82 or its segment, clamps and connects and fix with welding or clamp.In figure, the implication of all the other labels is the same.

Fig. 5-c means the another form of the long strip shape frame of embodiment of the present invention two, the long strip shape frame (15 of long strip shape frame 17 and Fig. 5-a and Fig. 5-b, 16) similar, do not exist together is that its stage casing of girder 92 has 3 sections segments 68, make girder 92 have the sudden change of 3 sections arcs and to the curved segment 68 of fovea superior, but integral curved trend is still to recessed curved.On middle one section arc segment 68 curved to fovea superior, be cover this segment by connecting device 5 and upper tag, merge the assembly set 73 formed, on the segment 68 of two sections of left and right, be the upper tag 65 that covers this two segment, the outward appearance of girder 92 is become to recessed curved continuous camber line.Label 41 or 42 is point of connection of extension 74 ' or upper tag 65 and girder 92 or its segment, clamps and connects and fix with welding or clamp.In figure, the implication of all the other labels is the same.

The situation with 2 or 3 segments 68 from Fig. 5-b and Fig. 5-c, also can be with reference to Fig. 5-a1, the mode of Fig. 5-a2 and Fig. 5-a3, on each segment, adopt respectively have a linear extension 74 by connecting device 5 and upper tag, merge the assembly set 73 formed, or have a recessed extension 74 upward of arc " by connecting device 5 and upper tag, merge the assembly set 73 formed, or have a recessed extension 74 ' downwards of arc by connecting device 5 and upper tag, merge the assembly set 73 formed, can complete configuration, in figure, be omitted herein, not shown.

The present embodiment segment 68 used can be 1 section or multistage, general reach 5 sections at most, then multistage will be inconvenient or uneconomical.

Embodiment three

Fig. 6-a means the frame-type long strip shape frame 19 of embodiment of the present invention three.Long strip shape frame 19 is similar to the long strip shape frame 15 of Fig. 5-a, and not existing together is that its stage casing of girder 102 has 1 section segment 69, and the bending curvature of segment 69 is minimum, approaches or equals linear, cannot say for sure to be upward recessed or below.It is larger that the arc of the extension 74 ' in the assembly set 73 that connecting device 5 and upper tag merging form shown in figure is bent downwardly curvature, be greater than the curvature of girder 102 in the curvilinear path at this place, but the bending curvature that can be also it equals the curvature of girder 102 in the curvilinear path at this place, not shown.The characteristics of this structure are easily prepared by segment 69, but still can obtain closing the effect of requirement.In figure, the implication of all the other labels is the same.

Fig. 6-b means the another way of the frame-type long strip shape frame of embodiment of the present invention three, long strip shape frame 19-1 is similar to the long strip shape frame 19 of Fig. 6-a, do not exist together be used by connecting device 5, are straight lines with the extension 74 that upper tag merges in the assembly set 73 formed, so it and segment 69 almost are affixed.In figure, the implication of all the other labels is the same.

With reference to the mode of Fig. 6-a, what also can be configured to similar Fig. 5-b and Fig. 5-c has 2 sections or 3 sections segments but adopts the frame-type long strip shape frame of linear segment 69, also can implement, and in figure, is omitted herein, not shown.

In the present embodiment three, the extension 74 ' merged among the assembly set 73 formed by connecting device 5 and upper tag that is positioned at segment 69 tops in Fig. 6-a is changed into to the lower tag that is positioned at linear segment 69 belows, make simultaneously the arc of this time tag upward recessed, also can implement, in figure, be omitted herein, not shown.Refer again to the mode of Fig. 5-b and Fig. 5-c and change into and have 2 sections or 3 sections linear segments 69, can also construct the framed structure that has 2 sections or 3 sections linear segments 69 and adopt recessed lower tag upward, in figure, being omitted herein, not shown.

Fig. 6-c means the another mode of the frame-type long strip shape frame of embodiment of the present invention three, in long strip shape frame 19-2, the stage casing of girder 102 is linear segments 69, but any type of upper tag or lower tag are not set, and described connecting device 5 is directly connected to segment 69.Like this, just 2 auxiliary girders by the girder with the linear segment and its below form the frame-type long strip shape frame.This is a kind of easy and mode that can implement.

Copy the mode shown in Fig. 6-c, have 1 section, 2 sections or 3 sections various segments (comprise linear, arc curved recessed upward with the curved recessed various segments downwards of arc), any type of upper tag or lower tag are not set, and described connecting device 5 is directly connected to the mode on segment, all can implement, in figure, be omitted herein, not shown.

The present embodiment segment 69 used can be 1 section or multistage, general reach 5 sections at most, then multistage will be inconvenient or uneconomical.

Embodiment four (Fig. 7-a, Fig. 7-c, Fig. 8-a and Fig. 8-c)

Fig. 7-a means the base model of embodiment of the present invention four, and it is the lateral plan of frame-type long strip shape frame 15a, and in Fig. 7-a, label 72a is its girder.In this figure, the stage casing of elastomeric girder 72a is do not meet and depart from the situation of described curvilinear path.The integral body trend of girder 72a is recessed arc downwards, but its stage casing is the segment 68a that becomes with it part of the whole.Segment 68a is also that arc is downwards recessed, but the bending curvature of segment 68a is larger than the curvature of the curvilinear path in girder 72a stage casing, forms curvature mutation.On segment 68a, arrange by connecting device 5 and upper tag and merge the assembly set 73 formed, the arc of extension 74 ' wherein is downwards recessed, and curvature is greater than the curvature of segment 68a.Like this, together with auxiliary girder 3 under it, form framed structure of the presently claimed invention.In figure, the implication of all the other labels is the same.

Fig. 7-c means another form of embodiment of the present invention four, and it is the lateral plan of frame-type long strip shape frame 17a.In Fig. 7-c, label 92a is girder, and its stage casing is do not meet and depart from the situation of described curvilinear path.The recessed segment 68c downwards of arc of section setting therein has 3 sections, and the bending curvature of segment 68c is larger than the curvature of the curvilinear path in girder 92a stage casing, forms curvature mutation.Above the segment 68c of middle part, setting merges by connecting device 5 and upper tag the assembly set 73 formed, the arc of extension 74 ' wherein is downwards recessed, and curvature is greater than the curvature of segment 68c, above two the segment 68c in left and right, tag 65a is set, upper tag 65a be also recessed downwards, and its curvature is greater than the curvature of segment 68c, form like this framed structure of the presently claimed invention.In figure, the implication of all the other labels is the same.

With reference to Fig. 7-a and Fig. 7-c, also can implement to have the similar framed structure of 2 sections segments and 2 sections upper tags, in figure, be omitted herein, not shown.

Fig. 8-a means the another form of embodiment of the present invention four, and it is the lateral plan of frame-type long strip shape frame 15b.Frame-type long strip shape frame shown in Fig. 8-a is similar with the 15a shown in Fig. 7-a, difference be in 15a to recessed curved extension 74 ' change in figure to the curved lower tag 63b of fovea superior, simultaneously connecting device 5 changes into and being set directly on segment 68a.In figure, the implication of all the other labels is the same.Also can see, to the curved lower tag 63b of fovea superior, also can make into rectilinearly, or slightly oriented recessed curved, also can implement, in figure, be omitted herein, not shown.

Fig. 8-c means another form again of embodiment of the present invention four, and it is the lateral plan of frame-type long strip shape frame 17b.Frame-type long strip shape frame shown in Fig. 8-c is similar with the 17a shown in Fig. 7-c, difference be in 17a to tag 65a on recessed curved each or extension 74 ' change in figure to the curved lower tag 65b of fovea superior, connecting device 5 changes into and being set directly on segment 68c simultaneously.In figure, the implication of all the other labels is the same.Also can see, to the lower tag 65b of curved each of fovea superior, also can make into rectilinearly, or slightly oriented recessed curved, also can implement, in figure, be omitted herein, not shown.

With reference to Fig. 8-a and Fig. 8-c, also can implement to have the similar framed structure of 2 sections segments and 2 sections lower tags, in figure, be omitted herein, not shown.

Claims (11)

1. rain brush, this rain brush comprises: the frame-type long strip shape frame that supports this rain brush, the connecting device be connected with the Wiper arm of automobile arranged above the stage casing of this long strip shape frame, and the rubber rain brush bar supported by this long strip shape frame, described long strip shape frame be arc and have a flexural resilience, the concave surface of described arc is downwards towards windshield in use, and due to the downforce of described Wiper arm, with the antagonistic force of Windshield contact site, make the curature variation of this rain brush, make the overall length of described rubber rain brush bar with Windshield, contact and can brush away the rainwater on Windshield, it is characterized in that:

Described frame-type long strip shape frame comprise 1 elastomeric girder and be positioned at this girder below and with 1 or 2 elastomeric auxiliary girders of this girder almost parallel, this girder has to recessed curved curvilinear figure track under free state, support described rubber rain brush bar by described auxiliary girder; By a plurality of suspension hooks that are arranged on this girder, this auxiliary girder is connected with this girder;

Described frame-type long strip shape frame also has the structure that is selected from following one:

(1) below the stage casing of described girder, 1 to 5 section lower tag with flexural resilience is set, this time tag be rectilinear or arc upward recessed;

(2) in the stage casing of described girder, make 1 to 3 section with this girder one but depart from the segment of described girder at the curvilinear figure track at this place, this segment is that arc is upward recessed, and recessed downwards or the rectilinear or recessed upper tag upward of arc of arc is set above described segment;

(3) in the stage casing of described girder, make 1 to 3 section with this girder one but depart from the segment of described girder at the curvilinear figure track at this place, this segment is basically rectilinear, and the recessed upper tag downwards of linear or arc is set above described segment, or linear or the recessed lower tag upward of arc are set below described segment; And

(4) in the stage casing of described girder, make 1 to 3 section with this girder one but depart from the segment of described girder at the curvilinear figure track at this place, this segment is that arc is downwards recessed, the curvature of this segment is greater than the curvature of this girder at the curvilinear figure track at this place, and the recessed upper tag downwards of arc is set above this segment, or the rectilinear or recessed lower tag upward of arc is set below this segment.

2. according to rain brush claimed in claim 1, wherein, the elastomeric auxiliary girder of described frame-type long strip shape frame is the below that is positioned at described girder, and be to be positioned at same level and 2 auxiliary girders parallel to each other, describedly be arranged on a plurality of suspension hooks on this girder together with this girder is fixedly attached to, and have 2 suspension hook legs from this girder to downward-extension, by these 2 suspension hook legs hook block and support described 2 auxiliary girders respectively, basically the overall length of described 2 auxiliary girders, bill part together with each suspension hook leg, embed respectively in the groove on the left side of described rubber rain brush bar and right side, described girder and being connected of upper tag and lower tag are to clamp and connect or with the rivet of limited sliding length-chute connection with welding or with clamp.

3. according to the described rain brush of claim 1 or 2, wherein, when described frame-type long strip shape frame has described upper tag, the described connecting device be connected with the Wiper arm of automobile and described upper tag form parts, the base plate that is about to this connecting device extends to the left and right and forms tag, the extension that the base plate of described connecting device extends to the left and right be rectilinear or recessed downwards or recessed upward.

4. according to the described rain brush of claim 1 or 2, wherein, in described frame-type long strip shape frame, below the stage casing of described girder, arrange 1 section or 2 sections or 3 sections and have flexural resilience, the rectilinear or recessed lower tag upward of arc, when described lower tag is 2 sections or 3 sections, the lower tag of each section be segmentation or be linked to be an integral body, the lower surface contact of the top of the lower tag of each section and end and described girder and being connected, or the Surface Contact of described top and one of end and another time tag be connected.

5. according to rain brush claimed in claim 4, wherein, described lower tag have left section, stage casing and right section totally 3 sections and be rectilinear or arc recessed upward, under described stage casing, the right-hand member of the left end of the two ends of tag, left section lower tag and right section lower tag is contact and be connected with the lower surface of described girder, and the right-hand member of described left section lower tag be with described stage casing under tag nearly left end position contact and is connected, the left end of described right section lower tag be with described stage casing under the nearly right-hand member position of tag contact and be connected.

6. according to the described rain brush of claim 1 or 2, wherein, the both sides of the girder of described frame-type long strip shape frame, the breach of regulating the crooked character of girder is set, the number of described breach respectively has 1 to 6 in each side of this girder, the width of described breach is penetraction depth, be this girder width 6% to 30%, the total length of the described breach of each side of this girder is 5% to 30% of this girder total length, and the breach line of described breach and the longitudinal axis of this girder have the angle of 0 ° to 30 °.

7. according to the described rain brush of claim 1 or 2, wherein, the curvilinear figure track of this girder at this place departed from the stage casing of the girder of described frame-type long strip shape frame, and in this stage casing, make 1 section or 2 sections or 3 sections and this girder one, arc is to the curved segment of fovea superior, above described segment, recessed downwards or the rectilinear or recessed upper tag upward of arc of arc is set, and the top of described upper tag contacts with described girder and is connected with end.

8. according to the described rain brush of claim 1 or 2, wherein, the curvilinear figure track of this girder at this place departed from the stage casing of the girder of described frame-type long strip shape frame, and in this stage casing, make 1 section or 2 sections or 3 sections and this girder one, rectilinear segment basically, the recessed upper tag downwards of linear or arc is set above described segment, or linear or the recessed lower tag upward of arc are set below described segment, the top of described upper tag or lower tag contacts with described girder and is connected with end.

9. according to rain brush claimed in claim 8, wherein, the curvilinear figure track of this girder at this place departed from the stage casing of the girder of described frame-type long strip shape frame, and in this stage casing, make 1 section with this girder one, rectilinear segment basically, the recessed upper tag downwards of arc is set above described segment.

10. according to the described rain brush of claim 1 or 2, wherein, the curvilinear figure track of this girder at this place departed from the stage casing of the girder of described frame-type long strip shape frame, and in this stage casing, make 1 section or 2 sections or 3 sections and this girder one, arc is to recessed curved segment, the curvature of this segment is greater than the curvature of this girder at the curvilinear figure track at this place, the recessed upper tag downwards of arc is set above this segment, or the rectilinear or recessed lower tag upward of arc is set below this segment, the top of described upper tag or lower tag contacts with described girder and is connected with end.

11. according to the described rain brush of claim 1 or 2, wherein, in the stage casing of the girder of described frame-type long strip shape frame, depart from this girder in the situation that the curvilinear figure track at this place have described 1 to 3 section segment, the overall length of described girder is to be interconnected together by the position of a plurality of segmentations at each curvature mutation, the number of described segmentation is that the number of described segment adds 2, at the interconnected position of each segmentation, chimeric finger-shaped is mutually made in 2 terminations that will connect, peg graft mutually chimeric and weld, then heat-treating and arrangement forms.

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