CN202106937U

CN202106937U - Windscreen wiper

Info

Publication number: CN202106937U
Application number: CN2011201956086U
Authority: CN
Inventors: 汪玉华; 齐伦
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-06-13
Filing date: 2011-06-13
Publication date: 2012-01-11
Anticipated expiration: 2021-06-13

Abstract

A windscreen wiper comprises a frame type elongated framework, a connection device connected with windscreen wiper arms and a rubber windscreen wiper strip supported by the elongated framework. The frame type elongated framework includes one elastic girder which has a specific smooth continuous curvilinear path caved and bent downwards under a free state. Two ends of the girder fit the path, and a middle section of the girder fits the path or deviates from the path. The frame type elongated framework further includes one auxiliary beam or two elastic auxiliary beams located below the girder and approximately parallel to the girder. The rubber windscreen wiper strip is supported by the auxiliary beam or the auxiliary beams. The auxiliary beam/the auxiliary beams is/are connected with the girder through a plurality of hooks on the girder, and structures which form a frame structure or adjust space between the auxiliary beam/the auxiliary beams and the girder are arranged between the auxiliary beam/the auxiliary beams and the girder. Therefore, pressure of the windscreen wiper on an automobile windscreen is distributed as evenly as possible along the length of the windscreen wiper.

Description

Rain brush

Technical field

The utility model relates to one type of automobile and uses rain brush.Said rain brush be meant be fit to automobile on Wiper arm is connected and obtains power, in windscreen surface with the wiping of movement in a curve rider-type brush, thereby brush away rainwater, play the effect of assurance 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 among Fig. 1 inswept brush rain belt on Windshield, label V is a primary vision area, is that the driver needs most the zone of seeing clearly, and label V ' is two limit vision areas, and the driver can be low slightly to the requirement in this two district.During rain, the glass surface that rain brush is inswept should be moistening by water fully at brush, forms the good moisture film of perspective, should not have water wet less than " doing the district " like " paint face " shape; Moisture film is very thin, should not have water to be gathered into to drip and flows down like " tear " appearance; Arc trajectory consistent " waterline " inswept with rain brush should not appear yet.For rain brush brush rain Evaluation on effect, waterline does not appear in V district and V ' district, be top grade; Only distinguishing slightly at V ', waterline is time top grade; Waterline is more, and then grade is more inferior.

In order to obtain premium-quality rain brush, it is found that the distribution of pressure that puts on the Windshield along the whole length of rain brush is even more, it is good more then to brush the rain effect.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 is then shifted to the two ends of rain brush left to the 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 be with newton/meter (N/m) or newton/centimetre (N/cm) expression.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, in fact also is the former brush rain better effects if.

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

The utility model content

The purpose of the utility model is the shortcoming that overcomes the rain brush of background technology; A kind of rain brush is provided; This rain brush comprises: support the frame-type long strip shape frame of this rain brush, and the connecting device that is connected with the Wiper arm of automobile that above the stage casing of this long strip shape frame, is provided with, and support or the rubber rain brush bar of suspension by this long strip shape frame; Said long strip shape frame be arc and have a flexural resilience; The concave surface of said arc is downwards towards windshield in use, and because the downforce of said Wiper arm, makes the curature variation of this rain brush with the antagonistic force of Windshield contact site; The overall length of said rubber rain brush bar is contacted with Windshield and the rainwater on the Windshield can be brushed away; Said frame-type long strip shape frame comprise 1 elastomeric girder 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 under free state to recessed curved specific smooth and continuous curvilinear figure; The two ends of this girder meet said curved track; The stage casing of this girder meets described curvilinear figure track or departs from described curvilinear figure track; Tag or following tag can be set above or below the stage casing of this girder, said tag or the tag down gone up perhaps are not set, then with described 1 or 2 elastomeric auxiliary girders, constitute specific framed structure; Support or hang said rubber rain brush bar by said auxiliary girder; By be arranged on this girder or the following tag of this girder on a plurality of suspension hooks this auxiliary girder is connected with this girder;

Said specific framed structure has the structure that is selected from following one of which at least:

(1) below the stage casing of said girder; 1 to 5 section following tag with flexural resilience can be set, this time tag be rectilinear or arc recessed to the top, said down tag perhaps is not set; With described 1 or 2 elastomeric auxiliary girders, constitute specific framed structure then; (2) in the both sides of said girder, the breach of regulating the crooked character of girder is set, with described 1 or 2 elastomeric auxiliary girders, constitute specific framed structure then;

(3) in the stage casing of said girder; Process 1 to 5 section with this girder one but depart from the segment of said girder at the curvilinear figure track at this place, this segment is that arc is recessed to the top, and above said segment; Recessed downwards or the rectilinear or recessed last tag to the top of arc of arc can be set; The said tag of going up perhaps is not set, with described 1 or 2 elastomeric auxiliary girders, constitutes specific framed structure then; (4) in the stage casing of said girder; Process 1 to 5 section with this girder one but depart from the segment of said girder at the curvilinear figure track at this place; This segment is rectilinear basically; And can be provided with above the said segment linear or arc recessed downwards on tag, or can be provided with below the said segment linear or arc recessed to above following tag, said tag or the tag down gone up perhaps is not set; With described 1 or 2 elastomeric auxiliary girders, constitute specific framed structure then; And (5) are in the stage casing of said girder; Process 1 to 5 section with this girder one but depart from the segment of said girder at the curvilinear figure track at this place; This segment is that arc is downwards recessed, and the curvature of this segment is greater than the curvature of this girder at the curvilinear figure track at this place, and can be provided with above this segment arc recessed downwards on tag; Or can be provided with below this segment rectilinear or arc recessed to above following tag; Said tag or the following tag gone up perhaps is not set,, constitutes specific framed structure then with described 1 or 2 elastomeric auxiliary girders.

The rain brush of the utility model; Wherein, said specific framed structure also comprises elastomeric auxiliary girder, and said auxiliary girder is the below that is positioned at said girder; And be to be positioned at same level and 2 auxiliary girders parallel to each other; Said be arranged on this girder or the following tag of this girder on a plurality of suspension hooks with this girder maybe this time tag be fixedly attached to, and have following tag from this girder or this girder, by these 2 suspension hook legs hook blocks and hanged said 2 auxiliary girders respectively to 2 suspension hook legs that extend below; Basically the overall length of said 2 auxiliary girders, together with the bill part of each suspension hook leg; Embed respectively in the groove on left side and right side of said rubber rain brush bar, the position that the bill part of said suspension hook leg contacts with each other with said auxiliary girder is fixedly attached to, or captive joint and can slide relative not; Said girder reaches being connected of tag down with last tag; And said auxiliary girder and the bill of said suspension hook leg to contact with each other captiveing joint of position can be welding, or use the clamp clamped joint, or adopts rivet-chute connection of limited sliding length.

The rain brush of the utility model; Wherein, described when going up tag when having in the said specific framed structure, the said connecting device that is connected with the Wiper arm of automobile and the said parts of tag formation of going up; 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 said connecting device extends to the left and right can be rectilinear, or recessed downwards, or recessed to the top.

The rain brush of the utility model, wherein, in said specific framed structure; Below the stage casing of said girder; Be provided with 1 section or 2 sections or 3 sections and have flexural resilience, the rectilinear or recessed following tag of arc to the top, when said down tag is 2 sections or 3 sections, the following tag of each section be segmentation or be linked to be an integral body; The top of the following tag of each section contacts with the lower surface of said girder with end and is connected, or described top contacts and is connected in the surface of tag down with another with one of end.The rain brush of the utility model; Wherein, Described down tag have left side section, stage casing and right section totally 3 sections and be rectilinear or arc recessed to the top; The two ends of tag under the said stage casing, left side section down tag left end and right section down the right-hand member of tag be with the lower surface contact of said girder and be connected; And said left side section down the right-hand member of tag be with said stage casing under tag the contact of nearly left end position and is connected, said right section down the left end of tag be with said stage casing under the nearly right-hand member position of tag contact and be connected.The rain brush of the utility model; Wherein, the both sides of the said girder in the said specific framed structure are provided with the breach of regulating the crooked character of girder; The number of said breach respectively has 1 to 6 in each side of this girder; The width of said breach (penetraction depth) be this girder width 6% to 30%, the total length of the said breach of each side of this girder is 5% to 30% of this girder total length, the breach line of said breach and the longitudinal axis of this girder have 0 ° to 30 ° angle.

The rain brush of the utility model, wherein, in said specific framed structure; The curvilinear figure track of this girder at this place departed from the stage casing of said girder; And process in this stage casing 1 section or 2 sections or 3 sections and this girder one, arc is to the curved segment of fovea superior, above said segment, recessed or the rectilinear or recessed last tag to the top of arc of arc can be set downwards; Or the said tag of going up is not set; When the said tag of going up is that arc is recessed downwards the time, the curvature of tag is equal to or greater than the curvature of this girder at the curvilinear figure track at this place this on, and the said top of going up each section of tag contacts with said girder or said segment with end and is connected.

The rain brush of the utility model; Wherein, In said specific framed structure, the curvilinear figure track of this girder at this place departed from the stage casing of said girder, and process in this stage casing 1 section or 2 sections or 3 sections and this girder one, rectilinear segment basically; And can be provided with above the said segment linear or arc recessed downwards on tag; Or be provided with below the said segment linear or arc recessed to above following tag, or said tag or the tag down gone up is not set, said go up tag or down the top of each section of tag contact with said girder or said segment and be connected with terminal.

The rain brush of the utility model; Wherein, in said specific framed structure, the curvilinear figure track of this girder at this place departed from the stage casing of said girder; And process in this stage casing 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 can be provided with above this segment arc recessed downwards on tag, or be provided with below this segment rectilinear or arc recessed to above following tag; Or said upward tag or following tag are not set, the said top of going up each section of tag or following tag contacts with said girder or said segment with end and is connected.

The rain brush of the utility model; Wherein, Depart from the curvilinear figure track of this girder at this place in the stage casing of said girder, and have under the situation of segment of said and this girder one, the overall length of said girder is to be formed by connecting mutually at the position of a plurality of segmentations at each curvature mutation; The number of said segmentation is that the number of said segment adds 2; And have at the interconnected position of each segmentation wanting 2 terminations of bonded assembly to process chimeric finger-shaped mutually, peg graft chimeric mutually and weld, carry out necessary heat treatment then and put the point of connection that forms in order.

The utility model is taked specific rain brush structure, obtains satisfied effect.

Description of drawings

Fig. 1 is the scheme drawing that the generality of rain brush performance is discussed.

Fig. 2-a and Fig. 2-b are the scheme drawings 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 the rain brush of the utility model.

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 the utility model first embodiment.

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 the utility model second embodiment.

Fig. 6-a, Fig. 6-b and Fig. 6-c are the structural representations of the frame-type long strip shape frame of the utility model the 3rd embodiment.

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 the utility model the 4th embodiment.

The specific embodiment

In the application documents of the utility model:

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

2) top of said rain brush or its frame-type long strip shape frame is meant this rain brush under running condition, and away from a side of Windshield, said below is meant the side towards Windshield.

3) said this girder has under free state (not receiving external force) to recessed curved specific smooth and continuous curvilinear path.Under different situations, each of this girder section can meet this track, or departs from this track.Said specific curve is meant and meets certain basic mathematical curve, for example justifies ellipse, sin, tan, parabola, hyperbola, index and logarithmic curve or the like.If there are two kinds of curves to connect, then be smooth and continuous.

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

5) in each accompanying drawing, in order to see characteristic trend clearly, each is exaggerative the drafting downwards with to the curvature majority of the curved arc of fovea superior, and actual bending curvature in kind is generally so not big.

Fig. 3-a to Fig. 3-j2 representes the total structure characteristic of the rain brush of the utility model.

Fig. 3-a representes the rain brush of the utility model.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 supplies to be connected with the Wiper arm of automobile.Being installed in rubber rain brush bar 6 becomes rain brush on the long strip shape frame 1.Here in order to see clearly Chu, rubber rain brush bar opened in 6 minutes draw.Long strip shape frame 1 comprises elastomeric girder 2 and is positioned at the elastomeric auxiliary girder 3 under the girder; The two is parallel to each other haply; Zone 4 (among the figure to be coated with grey colour specification) is arranged between girder 2 and auxiliary girder 3; The concrete framed structure that on behalf of each embodiment of the utility model, zone 4 construct, difference sets forth in detail in accompanying drawing at the back and explanation.

An essential characteristic of zone 4 signal the utility model from here: promptly by said girder itself, or earlier said girder is carried out changing of design, form described framed structure with auxiliary girder 3 then.This framed structure can be: (1) tag under the additional plurality of sections in the stage casing of girder 2 or on the girder of tag after forming for a change, constitute described framed structure with auxiliary girder 3 then; (2) perhaps in the both sides of said girder, the breach of regulating the crooked character of girder is set, with described 1 or 2 elastomeric auxiliary girders, constitute specific framed structure then; (3) change system into this girder one or the stage casing of girder 2 but depart from the plurality of sections segment of this girder in the curvilinear path at this place, additional then tag down or on the girder of tag after forming for a change, and then constitute described framed structure with auxiliary girder 3.

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

Usually; A complete rain brush comprises that also 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 (generally are each one of right and lefts; Sometimes end cap and windscreen sheet close and process one; Right and left is respectively installed one then), these parts belong to known technology, and are not shown.

Frame-type long strip shape frame 1 is processed arc; The bending curvature of its arc generally is the bending curvature greater than windshield; Because the downward pressure of Wiper arm makes the arc-shaped concave of rain brush press to windshield, rubber rain brush bar 6 contacts with Windshield in use.Because the antagonistic force of Windshield, make rain brush from its two ends by to pop-up and curvature reduces, be reduced to its integral body the overall length of rubber rain brush bar is contacted with Windshield, thereby can brush away the rainwater on the 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 be pressed towards under the situation of Windshield in the stage casing; Extend to the flexural resilience distribution situation of different parts from the stage casing to two ends, play important effect for the brush rain effect of rain brush.Flexural resilience is evenly distributed, and can make distribution of pressure even.The utility model is exactly the various framed structures of zone 4 designs between girder 2 and auxiliary girder 3; Make to distribute equably on the overall length at the rubber rain brush bar 6 of rain brush, thereby reach the purpose of the utility model at the suffered downward pressure of the connecting device above the rain brush stage casing 5.

Fig. 3-b is the A-A view among 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 of the suspension hook 31 of suspention auxiliary girder 3 are stretched under this place.Fig. 3-c is the A '-A ' view among Fig. 3-a.Expression is passed two suspension hook legs of suspension hook 31 at this place, fix with welding process at this place usually.Can see also among the figure from behind that in some cases, suspension hook 31 is not to be attached on the girder, but is attached on the following tag of girder.In addition, suspension hook 31 is fixed other modes that also can adopt non-welding down with girder or its being connected of tag, for example fixes with riveting, and is not shown.

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

B-B cutaway view among Fig. 3-f presentation graphs 3-a, a section of the rain brush of expression the utility model.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 the girder 2).Can see suspension hook 31 among Fig. 3-f, 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 representes that with Fig. 3-e2 the rivet-chute of limited sliding length connects 43 (Fig. 3-e2 is the upward view of Fig. 3-e1).At following tag 21 or 123 (or going up tag) and girder 2 bonded assembly positions; Leave chute 50 at girder 2; On tag, punch and pass this hole and chute 50 with rivet 51; Make the two connection again the slidably length that is limited chute 50 can be arranged, come the elasticity distribution of conditioning box posture long strip shape frame like this, just regulate the distribution of pressure of rain brush.

Fig. 3-g1 representes that connecting device 5 and last tag merge the assembly set 73 that forms.It has the function of connecting device 5 and last tag concurrently.It is to stretch out extension 74 to the base plate of connecting device 5 to the left and right to form.Extension 74 is that horizontal direction is rectilinear.Portion's 75 embowments in the termination are connected to adapt to girder.

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

Fig. 3-h representes the transversal surface of rubber rain brush bar 6 separately; 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 the groove 60 together with a pair of auxiliary girder 3; Thereby, hold up the left and right sides fin 59 of rubber rain brush bars 6 the superiors by auxiliary girder 3 again and realize the suspention of rubber rain brush bar 6 and fixing by the bill 37 of suspension hook 31 auxiliary girder 3 of slinging.

The side that Fig. 3-i is illustrated in girder 2 is made the scheme drawing of breach 201 or 202.The mid point of label 200 expression girders 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 said breach (width) be girder width 6% to 30%; The total length of each breach of each side of girder is 5% to 30% of a girder total length, and the breach line of said 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 and Fig. 3-j2 represent the scheme drawing (Fig. 3-j1 presentation graphs 3-j2 looks up) with clamp clamped joint 42 that is connected of girder and tag.Leave small gap 211 at the girder 2 and the correspondence position of following tag 21 or 123 (also can be to go up tag), behind the aligned position, set up clamp 210, clamping forms.

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

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

Fig. 4-a representes the base model of the utility model embodiment 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 situation that meet described curvilinear path.Label 21 is following tags of girder 2 belows.Following tag 21 is similar with girder 2, also is to process with elastic sheet metal, also processes arc, but its is concave upright, and is relative with the arc-shaped concave of girder 2, produces spacing between the two.In fact, the curvature of girder 2 and following tag 21 is all little, and it is so big that spacing is between the two showed in also not scheming, and is to adopt the exaggeration technique of painting in order to see characteristic clearly here, and analogue is also arranged among the figure after this.

Label

41,42 and 43 expressions are being connected of contact position of tag 21 and girder 2 down, and 41 expressions are fixing to weld, and perhaps 42 expressions are fixed with the clamp clamping means, and perhaps 43 represent to fix with the rivet-chute method of attachment of limited sliding length.Label 31 is aforesaid suspension hooks, and its suspension also is fixed on the girder 2, stretches a pair of suspension hook leg that gets 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 following tag 21 time, be to be installed in down suspension hook 31 on the tag 21, rather than be installed on the girder 2 that analogue is also arranged among the following figure.At each suspension hook 31 place, the girder 2 of auxiliary girder 3 and relevant position or tag 21 distance a little all down are the spaces of reserving among the figure, prepare to embed the side tabs 59 on rubber rain brush bar 6 tops and have suspended rubber rain brush bar 6 simultaneously in midair.Should see that also the used suspension hook 31 of diverse location is suspension hooks of selecting differing heights 61 (different sag) for use, adapt to the needed different spacing of diverse location with the suspension hook 31 of differing heights.

Because time tag 21 has been installed below the stage casing of elastomeric girder 2, the elasticity distribution of girder is 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 tag 21 down; Just can find optimum condition; Make that the elasticity distribution of whole long strip shape frame is the most reasonable, thereby make the most rationally, reach the purpose of the utility model along the distribution of pressure of the whole length of long strip shape frame.The implication of all the other labels is the same among the figure.

Fig. 4-b representes another form of the long strip shape frame of the utility model embodiment one, and time tag 22 has been installed in the below, stage casing of the girder 2 of long strip shape frame 12.Following tag 22 is 2 sections recessed arcs to the top, thereby the elasticity distribution of regulating long strip shape frame has condition flexibly.Structure shown in the figure is similar with Fig. 4-a, no longer repeats to set forth.The implication of all the other labels is the same among the figure.

Fig. 4-c representes the another form of the long strip shape frame of the utility model embodiment one, and time tag 23 has been installed in the below, stage casing of the girder 2 of long strip shape frame 13.Following tag 23 is 3 sections recessed arcs to the top, thereby the elasticity distribution of regulating long strip shape frame has condition more flexibly.Structure shown in the figure is similar with Fig. 4-a or Fig. 4-b, no longer repeats to set forth.The implication of all the other labels is the same among the figure.

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 with the long strip shape frame 13 of Fig. 4-c; Following tag 123 has totally 3 sections of left side section, stage casing and right sections; Wherein the two ends of tag all are that lower surface with girder 2 joins under the stage casing, and the left side section left end of tag is down still joined with the lower surface of girder 2, and not existing together is left side section the joining near the left end position of tag under right-hand member and the stage casing of tag down; The right section right-hand member of tag is down still joined with the lower surface of girder 2, and not existing together is right section the joining near the right-hand member position of tag under left end and the stage casing of tag down.Like this, girder 2 has the following tag 123 of above-mentioned overlap mode to be connected with 3 sections, forms unique framed structure.All the other label implications are the same among the figure.

Fig. 4-d representes another form again of the long strip shape frame of the utility model embodiment one; The structure of long strip shape frame 18 is similar with 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 following tag 24 is minimum, near or equal straight line, cannot say for sure be recessed to above or below.The characteristics of this structure are that tag 24 prepares easily down, but still can obtain closing the effect of requirement.The implication of all the other labels is the same among the figure.

The mode of similar Fig. 4-d, following tag 24 also can image pattern 4-b and the 4-c that kind have 2 sections or 3 sections, can implement too, omit among the figure here, not shown.Perhaps such with reference to Fig. 4-c1, make 3 sections following tags 24 copy 3 sections following tag 123 such overlappings of Fig. 4-c1, can implement too, omit among the figure here, not shown.

The following tag of this embodiment (21,22,23,24,123 or the like) can be 1 section or multi-section, reach 5 sections general at most, multistage will be inconvenient or uneconomical again.

In this embodiment one, the number of said suspension hook 31 generally can be looked the length of rain brush and specifically designed arrangement and decide by 4 to 16.In following

embodiment

2,3 and 4, the number of suspension hook is similar therewith.

Suspended elastomeric auxiliary girder 3 in midair and position that bill 37 is contacted with auxiliary girder 3 at each suspension hook, both can connect together, or do not connect and can slide relative; Perhaps a part connects in a plurality of suspension hooks, and another part does not connect.Its purpose also is the distribution of pressure for the framed structure of regulating whole rain brush, reaches the purpose of the utility model.Described connection can be welding, perhaps otherwise.In following

embodiment

2,3 and 4, 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 represent frame-type long strip shape frame 15,15-1,15-2, the 15-3,16 and 17 of the utility model embodiment two.

Fig. 5-a representes the base model of the utility model embodiment 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 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 part of the whole with it.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 is basically identical (but also exception can be arranged) normally; But its bending curvature and main paragraph are identical or different; Particularly the bending direction of segment 68 and main paragraph are opposite; Just recessed to the top, and curved opposing with the arc of main paragraph, make girder 72 become the shape that discontinuous curvature has sudden change in the stage casing.Meanwhile; Stage casing at girder 72; Just owing to bending downwards of segment 68 has recessed part; Merge the camber line that the assembly set 73 that forms moves towards the integral body of girder 72 by connecting device 5 and last tag and supply, by wherein extension 74 ' outward appearance of girder 72 is supplied to recessed curved continuous camber line, just 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 extensions 74 ' and 2 point of connection of elasticity girder 72, connects and fixes with welding or clamp.

Can see, in this embodiment, use connecting device 5 and last tag to merge the assembly set 73 that forms, be connected with the termination of the Wiper arm of automobile then, (thereafter each scheme in 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 rubber rain brush bar 6 (situation among each figure thereafter similarly) simultaneously in midair.

Because girder 72 segment 68 of section therein makes 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 the 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 that the elasticity distribution of whole frame-type long strip shape frame is the most reasonable; And then make the most rationally along the distribution of pressure of the whole length of long strip shape frame, reach the purpose of the utility model.

Suspended auxiliary girder 3 in midair and position that suspension hook point 37 is contacted with auxiliary girder 3 at each suspension hook, both can connect together, or do not connect and can slide relative; Perhaps a part connects in a plurality of suspension hooks, and another part does not connect.The implication of all the other labels is the same among the figure.

Fig. 5-a1 is one of version of the represented base model of Fig. 5-a; Frame-type long strip shape frame 15-1 among the figure is similar with 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 rectilinear basically.The implication of all the other labels is the same among the figure.

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

Fig. 5-a3 be the represented base model of Fig. 5-a version three; Frame-type long strip shape frame 15-3 among the 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; Though difference is the extension 74 ' among the figure also be recessed downwards, its curvature and girder 72 the curvature of the curvilinear path at this place compare want big (but also can be identical, also can be slightly smaller; Not shown), can accomplish configuration.When the curvature of extension 74 ' and girder 72 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.The implication of all the other labels is the same among the figure.

Fig. 5-b representes another form of the long strip shape frame of the utility model embodiment two; Long strip shape frame 16 is similar with 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.At 2 sections arcs on the curved segment 68 of fovea superior; Be cover 2 segments 68 merge the assembly set 73 that forms by connecting device 5 and last tag; 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 extensions 74 ' and the point of connection of girder 82 or its segment, fixes with welding or clamp clamped joint.The implication of all the other labels is the same among the figure.

Fig. 5-c representes the another form of the long strip shape frame of the utility model embodiment two; The long strip shape frame (15 of long strip shape frame 17 and Fig. 5-a and Fig. 5-b; 16) similar; Not existing together is that its stage casing of girder 92 has 3 sections segments 68, makes girder 92 have 3 sections arcs sudden changes and to the curved segment 68 of fovea superior, but integral curved trend is still to recessed curved.One section arc is on the segment 68 that fovea superior is bent in the centre; Be cover this segment merge the assembly set 73 that forms by connecting device 5 and last tag; About be the last tag 65 that covers this two segment on two sections segments 68, the outward appearance of girder 92 is become to recessed curved continuous camber line.Label 41 or 42 is extension 74 ' or the point of connection of going up tag 65 and girder 92 or its segment, fixes with welding or clamp clamped joint.The implication of all the other labels is the same among the figure.

Situation from Fig. 5-b and Fig. 5-c with 2 or 3 segments 68; Also can be with reference to Fig. 5-a1, the mode of Fig. 5-a2 and Fig. 5-a3 is on each segment; Adopt respectively have a linear extension 74 merge the assembly set 73 that forms by connecting device 5 and last tag; Or have a recessed extension 74 of arc to the top " merge the assembly set 73 that forms by connecting device 5 and last tag, or have a recessed extension 74 ' downwards of arc merge the assembly set 73 that forms by connecting device 5 and last tag, can accomplish configuration; be omitted among the figure here, not shown.

The used segment 68 of this embodiment can be 1 section or multi-section, general reach 5 sections at most, multistage will be inconvenient or uneconomical again.

Embodiment three

Fig. 6-a representes the frame-type long strip shape frame 19 of the embodiment three of the utility model.Long strip shape frame 19 is similar with 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, near or equal linear, cannot say for sure be recessed to above or below.Bigger with the arc downwarping curvature that last tag merges the extension 74 ' in the assembly set 73 that forms shown in the figure by connecting device 5; Greater than the curvature of girder 102 in the curvilinear path at this place; But the bending curvature that also can be it equals the curvature of girder 102 in the curvilinear path at this place, and is not shown.The characteristics of this structure are that segment 69 prepares easily, but still can obtain closing the effect of requirement.The implication of all the other labels is the same among the figure.

Fig. 6-b representes the other type of frame-type long strip shape frame of the embodiment three of the utility model; Long strip shape frame 19-1 is similar with the long strip shape frame 19 of Fig. 6-a; Do not exist together be used are straight lines by connecting device 5 with the extension 74 that last tag merges in the assembly set 73 that forms, so it and almost subsides mutually of segment 69.The implication of all the other labels is the same among the figure.

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 is omitted among the figure here, not shown.

In this embodiment three; Change into the following tag that is positioned at linear segment 69 belows to the extension 74 ' that merges among the assembly set 73 that forms by connecting device 5 and last tag that is positioned at segment 69 tops among Fig. 6-a; Make the arc of this time tag recessed simultaneously to the top; Also can implement, be omitted among the figure here, 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 following tag to the top, be omitted among the figure here, not shown.

Fig. 6-c representes the another mode of frame-type long strip shape frame of the embodiment three of the utility model; In long strip shape frame 19-2; The stage casing of girder 102 is linear segments 69, but any type of tag or the following tag gone up is not set, and described connecting device 5 is directly connected to segment 69.Like this, just 2 auxiliary girders by the girder that has the linear segment and its below constitute 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) to top and the curved recessed various segments downwards of arc; Any type of upward tag or following tag are not set, and are directly connected to the mode on the segment to described connecting device 5, all can implement; Be omitted among the figure here, not shown.

The used segment 69 of this embodiment can be 1 section or multi-section, general reach 5 sections at most, multistage will be inconvenient or uneconomical again.

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

Fig. 7-a representes the base model of the utility model embodiment 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 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 part of the whole with it.Segment 68a also is that arc is downwards recessed, but the bending curvature of segment 68a is bigger than the curvature of the curvilinear path in girder 72a stage casing, forms curvature mutation.On segment 68a, the assembly set 73 that is formed by connecting device 5 and last tag merging is set, the arc of extension 74 ' wherein is downwards recessed, and curvature is greater than the curvature of segment 68a.Like this, with the auxiliary girder under it 3, form the desired framed structure of the utility model.The implication of all the other labels is the same among the figure.

Fig. 7-c representes another form of the utility model embodiment four, and it is the lateral plan of frame-type long strip shape frame 17a.In Fig. 7-c, label 92a is a girder, and its stage casing is 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 bigger than the curvature of the curvilinear path in girder 92a stage casing, forms curvature mutation.Above the segment 68c of middle part, the assembly set 73 that is formed by connecting device 5 and last tag merging is set, the arc of extension 74 ' wherein is downwards recessed; And curvature is greater than the curvature of segment 68c; About two segment 68c above, tag 65a is set, last tag 65a also be recessed downwards; And its curvature is greater than the curvature of segment 68c, constitutes the desired framed structure of the utility model like this.The implication of all the other labels is the same among the figure.

With reference to Fig. 7-a and Fig. 7-c, also can implement to have 2 sections segments and 2 sections similar framed structures that go up tag, be omitted among the figure here, not shown.

Fig. 8-a representes the another form of the utility model embodiment 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 among the 15a to recessed curved extension 74 ' change among the figure to the curved following tag 63b of fovea superior, connecting device 5 changes into and being set directly on the segment 68a simultaneously.The implication of all the other labels is the same among the figure.Also can see, also can make into rectilinearly, or oriented slightly recessed curved to the curved following tag 63b of fovea superior, also can implement, be omitted among the figure here, not shown.

Fig. 8-c representes another form again of the utility model embodiment 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 tag 65a on recessed curved each among the 17a or extension 74 ' change among the figure to the curved following tag 65b of fovea superior, connecting device 5 changes into and being set directly on the segment 68c simultaneously.The implication of all the other labels is the same among the figure.Also can see, to curved each of fovea superior down tag 65b also can make into rectilinearly, or oriented slightly recessed curved, also can implement, be omitted among the figure here, 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 following tags, be omitted among the figure here, not shown.

Claims

1. rain brush; This rain brush comprises: support the frame-type long strip shape frame of this rain brush, and the connecting device that is connected with the Wiper arm of automobile that above the stage casing of this long strip shape frame, is provided with, and support or the rubber rain brush bar of suspension by this long strip shape frame; Said long strip shape frame be arc and have a flexural resilience; The concave surface of said arc is downwards towards windshield in use, and because the downforce of said Wiper arm, makes the curature variation of this rain brush with the antagonistic force of Windshield contact site; The overall length of said rubber rain brush bar is contacted with Windshield and can brush away the rainwater on the Windshield, it is characterized in that:

Said frame-type long strip shape frame comprise 1 elastomeric girder 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 under free state to recessed curved specific smooth and continuous curvilinear figure; The two ends of this girder meet said curved track; The stage casing of this girder meets described curvilinear figure track or departs from described curvilinear figure track; Tag or following tag can be set above or below the stage casing of this girder, said tag or the tag down gone up perhaps are not set, then with described 1 or 2 elastomeric auxiliary girders, constitute specific framed structure; Support or hang said rubber rain brush bar by said auxiliary girder; By be arranged on this girder or the following tag of this girder on a plurality of suspension hooks this auxiliary girder is connected with this girder;

Said specific framed structure has the structure that is selected from following one of which at least: (1) is below the stage casing of said girder; 1 to 5 section following tag with flexural resilience can be set; This time tag be rectilinear or arc recessed to the top; Said tag down perhaps is not set,, constitutes specific framed structure then with described 1 or 2 elastomeric auxiliary girders; (2) in the both sides of said girder, the breach of regulating the crooked character of girder is set, with described 1 or 2 elastomeric auxiliary girders, constitute specific framed structure then; (3) in the stage casing of said girder; Process 1 to 5 section with this girder one but depart from the segment of said girder at the curvilinear figure track at this place, this segment is that arc is recessed to the top, and above said segment; Recessed downwards or the rectilinear or recessed last tag to the top of arc of arc can be set; The said tag of going up perhaps is not set, with described 1 or 2 elastomeric auxiliary girders, constitutes specific framed structure then; (4) in the stage casing of said girder; Process 1 to 5 section with this girder one but depart from the segment of said girder at the curvilinear figure track at this place; This segment is rectilinear basically; And can be provided with above the said segment linear or arc recessed downwards on tag, or can be provided with below the said segment linear or arc recessed to above following tag, said tag or the tag down gone up perhaps is not set; With described 1 or 2 elastomeric auxiliary girders, constitute specific framed structure then; And (5) are in the stage casing of said girder; Process 1 to 5 section with this girder one but depart from the segment of said girder at the curvilinear figure track at this place; This segment is that arc is downwards recessed, and the curvature of this segment is greater than the curvature of this girder at the curvilinear figure track at this place, and can be provided with above this segment arc recessed downwards on tag; Or can be provided with below this segment rectilinear or arc recessed to above following tag; Said tag or the following tag gone up perhaps is not set,, constitutes specific framed structure then with described 1 or 2 elastomeric auxiliary girders.

2. rain brush according to claim 1; Wherein, said specific framed structure also comprises elastomeric auxiliary girder, and said auxiliary girder is the below that is positioned at said girder; And be to be positioned at same level and 2 auxiliary girders parallel to each other; Said be arranged on this girder or the following tag of this girder on a plurality of suspension hooks with this girder maybe this time tag be fixedly attached to, and have following tag from this girder or this girder, by these 2 suspension hook legs hook blocks and hanged said 2 auxiliary girders respectively to 2 suspension hook legs that extend below; Basically the overall length of said 2 auxiliary girders, together with the bill part of each suspension hook leg; Embed respectively in the groove on left side and right side of said rubber rain brush bar, the position that the bill part of said suspension hook leg contacts with each other with said auxiliary girder is fixedly attached to, or captive joint and can slide relative not; Said girder reaches being connected of tag down with last tag; And said auxiliary girder and the bill of said suspension hook leg to contact with each other captiveing joint of position can be welding, or use the clamp clamped joint, or adopts rivet-chute connection of limited sliding length.

3. rain brush according to claim 1 and 2; Wherein, described when going up tag when having in the said specific framed structure, the said connecting device that is connected with the Wiper arm of automobile and the said parts of tag formation of going up; 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 said connecting device extends to the left and right can be rectilinear, or recessed downwards, or recessed to the top.

4. rain brush according to claim 1 and 2; Wherein, In said specific framed structure, below the stage casing of said girder, be provided with 1 section or 2 sections or 3 sections and have flexural resilience, the rectilinear or recessed following tag of arc to the top; When said down tag is 2 sections or 3 sections; The following tag of each section be segmentation or be linked to be an integral body, the lower surface contact of the top of the following tag of each section and terminal and said girder and being connected, or described top and one of end with another under the surface of tag contact and be connected.

5. rain brush according to claim 4; Wherein, Described down tag have left side section, stage casing and right section totally 3 sections and be rectilinear or arc recessed to the top; The two ends of tag under the said stage casing, left side section down tag left end and right section down the right-hand member of tag be with the lower surface contact of said girder and be connected; And said left side section down the right-hand member of tag be with said stage casing under tag the contact of nearly left end position and is connected, said right section down the left end of tag be with said stage casing under the nearly right-hand member position of tag contact and be connected.

6. rain brush according to claim 1 and 2; Wherein, The both sides of the said girder in the said specific framed structure are provided with the breach of regulating the crooked character of girder, and the number of said breach respectively has 1 to 6 in each side of this girder; The width of said breach is penetraction depth both; Be this girder width 6% to 30%, the total length of the said breach of each side of this girder is 5% to 30% of this girder total length, the breach line of said breach and the longitudinal axis of this girder have 0 ° to 30 ° angle.

7. rain brush according to claim 1 and 2; Wherein, In said specific framed structure, the curvilinear figure track of this girder at this place departed from the stage casing of said girder, and process in this stage casing 1 section or 2 sections or 3 sections and this girder one, arc is to the curved segment of fovea superior; Above said segment; Recessed downwards or the rectilinear or recessed last tag to the top of arc of arc can be set, or the said tag of going up is not set, when the said tag of going up is that arc is recessed downwards the time; The curvature that should go up tag is equal to or greater than the curvature of this girder at the curvilinear figure track at this place, and the said top of going up each section of tag contacts with said girder or said segment with end and is connected.

8. rain brush according to claim 1 and 2; Wherein, In said specific framed structure, the curvilinear figure track of this girder at this place departed from the stage casing of said girder, and process in this stage casing 1 section or 2 sections or 3 sections and this girder one, rectilinear segment basically; And can be provided with above the said segment linear or arc recessed downwards on tag; Or be provided with below the said segment linear or arc recessed to above following tag, or said tag or the tag down gone up is not set, said go up tag or down the top of each section of tag contact with said girder or said segment and be connected with terminal.

9. rain brush according to claim 1 and 2; Wherein, In said specific framed structure; The curvilinear figure track of this girder at this place departed from the stage casing of said girder, and process in this stage casing 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 can be provided with above this segment arc recessed downwards on tag; Or be provided with below this segment rectilinear or arc recessed to above following tag, or said tag or the tag down gone up is not set, said go up tag or down the top of each section of tag contact with said girder or said segment and be connected with terminal.

10. rain brush according to claim 1 and 2; Wherein, Depart from the curvilinear figure track of this girder at this place in the stage casing of said girder, and have under the situation of segment of said and this girder one, the overall length of said girder is to be formed by connecting mutually at the position of a plurality of segmentations at each curvature mutation; The number of said segmentation is that the number of said segment adds 2; And have at the interconnected position of each segmentation wanting 2 terminations of bonded assembly to process chimeric finger-shaped mutually, peg graft chimeric mutually and weld, carry out necessary heat treatment then and put the point of connection that forms in order.