CN101104400A - Full visual field wiper - Google Patents
Full visual field wiper Download PDFInfo
- Publication number
- CN101104400A CN101104400A CNA2006100910178A CN200610091017A CN101104400A CN 101104400 A CN101104400 A CN 101104400A CN A2006100910178 A CNA2006100910178 A CN A2006100910178A CN 200610091017 A CN200610091017 A CN 200610091017A CN 101104400 A CN101104400 A CN 101104400A
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- Prior art keywords
- water arm
- scrape
- slide
- steel wire
- cam
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Abstract
The invention relates to an automobile windshield water wiper which, compared with current windshield water wiper, can wipe the rain water on the windshield in a larger range. The trajectory of the wiper motion of a current automobile windshield water wiper is a sector or the superposition of a plurality of sectors, leaving one or more wiping dead areas on the windshield. The wiping arm of the invention cannot only swing and rotate but also can extend along the radial direction, making the wiping flake reaching the area outside the sector. The invention is characterized in that the wiping arm comprises a upper section and a lower section; the upper wiping arm(2) can slide in a slide block(12) of the lower wiping arm(3) along a straight line; a tension spring(13) is concealed in the slide block to enable the upper wiping arm(2) to have stretching motion with respect to the lower wiping arm(3); a steel wire(5) threads through a quill shaft(11) to be connected with a pulley block(4) under the guide of the pulley block(4) and the ends of the steel wire(5) are fixed to slide blocks(8); the pulley block(4) is also fixed on the slide blocks(8) of a camming; the rotation of the cam(6) results in that the distance between two idler wheels(15) connected with the cam changes with the variation of the curve on the surface of the cam, which leads to that the distance between the slide blocks(8) changes and the length of the steel wire wound on the pulley block(4) changes; together under the help of the pull of a tension spring(13), the upper wiping arm starts to perform stretching motion with respect to the lower wiping arm according to the variation of the swing angle of the wiping arm.
Description
Affiliated technical field
The present invention relates to a kind of automobile windscreen wiper device, compare, can widerly wipe rainwater on glass off with existing Windshield Wiper.
Background technology
At present, it is big inadequately that existing automobile strikes off scope with Windshield Wiper, and Windshield Wiper path of motion is a fan-shaped or a plurality of fan-shaped stack, on glassly has one or more dead bands of striking off.When raining, the water that the glass top does not scrape part can form the temporary transient water currents visual field toward dirty; Behind the rain, the dead band part can form the stain zone, influences the visual field and attractive in appearance.
Summary of the invention
Scrape the shortcoming of water scope deficiency in order to overcome existing Windshield Wiper.The present invention proposes a kind of Windshield Wiper, and this Windshield Wiper path of motion can be according to the shape customization of windshield, and it is bigger to strike off scope.
Technical scheme
Scrape down in the water arm slide block (12) can with on scrape water arm (2) and cooperate to form linear slide.Thereby make up and down two to scrape the water arm and can slide relative change whole length of scraping the water arm.Elongation realizes by being hidden in down the extension spring (13) of scraping in the water arm (3) between them, an end of scraping extension spring (13) in the water arm with under scrape water arm slide block (12) and be connected, the other end with on scrape the water arm fixing spring place, lower end (17) be connected, the shortening of scraping the water arm then is to finish by steel wire (5) tension.Swept area of wiper blade (1) is installed in to be scraped on the water arm (2).According to the requirement of prior design-calculated path of motion, this windscreen wiper device can change the length of scraping the water arm according to scraping water arm swing angle difference, so its path of motion can reach the existing inaccessible dead band of Windshield Wiper.Control scrapes that the water arm is flexible to be realized by steel wire (5), and steel wire (5) connects two slide blocks (8) by movable pulley (4) group, and cam (6) rotates synchronously with scraping water arm (3), can change the distance between two slide blocks, thereby changes steel wire length.The shape of cam (6) is that the requirement that elongation is shortened according to Windshield Wiper is calculated.The rotational angle of cam (6) is with to scrape water arm quill shaft (11) identical.The change of relative distance between two rollers (15) that the rotation of cam (6) can cause and it is tangent, roller (15) drive slide block (8) along the motion of slide rail (9) direction, and slide block movement causes distance change between the assembly pulley (4).Latter end was fixed therein on the slide block (8) after steel wire (5) twined all pulleys, form the running block structure, so distance changes steel wire (5) the length change that will cause being wrapped on the running block (4) between the assembly pulley (4), thereby reaches the purpose that water arm (2,3) length is scraped in control.And since on scrape water arm (2) connect spring place (17) and time scrape the pulling force of extension spring (13) between the water arm slide block (12) and two slide blocks (8) between the effect of pulling force of extension spring (7), steel wire (5) can not cause and get loose.Like this, just can design cam (6) curve, make that scrape the water arm not only can scrape windshield (10) and go up and existingly scrape the fan-shaped or fan-shaped overlap-add region that the water arm can scrape, the zone beyond can also scraping according to the profile of windshield (10).
Fig. 1 is that this Windshield Wiper (18) is used trajectory diagram with existing non-telescoping Windshield Wiper (19).This Windshield Wiper (18) is contained in copilot station, this Windshield Wiper (18) end scrape less than the zone can strike off by main operator seat Windshield Wiper (19), do not scrape the zone so can not exist to leak.
The invention has the beneficial effects as follows, can realize the scrape water scope bigger, do not exist and strike off the dead band than existing automobile water wiper.When raining, the glass top do not have scrape less than the place also just not can form the temporary transient water currents visual field; Behind the rain, do not have yet existing Wiper arm scrape less than the stain zone that forms of part, thereby make the visual field more wide, bring better safety and aesthetic property.
Description of drawings
Further specify of the present invention below in conjunction with drawings and Examples.
Fig. 1 is that Windshield Wiper of the present invention and existing Windshield Wiper cooperating are scraped the water areal map.
Fig. 2 is a unitary construction front elevation of the present invention.
Fig. 3 is a unitary construction block diagram of the present invention.
Fig. 4 scrapes water arm block diagram.
Fig. 5 scrapes water arm internal structure block diagram.
Fig. 6 scrapes water arm schematic side view.
Fig. 7 is cam mechanism and slide block mechanism schematic perspective view.
Fig. 8 is cam mechanism and slide block mechanism front elevation.
Note: 1. swept area of wiper blade, scrape the water arm on 2., 3. scrape water arm, 4. pulley down, 5. steel wire, 6. cam, 7. extension spring between slide block, 8. slide block, 9. slide rail, 10. automobile wind shield glass, 11. quill shaft is scraped water arm slide block 12. times, 13. scrape extension spring in the water arm, 14. pulley in the cursor slide, 15. rollers, 16. slide blocks and extension spring attachment point, 17. on scrape fixedly extension spring place of water arm, 18. scalable Windshield Wiper 19. non-telescoping Windshield Wipers, 20. windshields.
The specific embodiment
In Fig. 4 and Fig. 5, scrape down water arm slide block (12) can with on scrape water arm (2) and cooperate and form linear slide owing to scrape water arm slide block (12) down and scrape water arm (3) down so stationkeeping can realize scraping water arm (2) and following relative motion of scraping water arm (3).Under scrape be concealed with in the water arm (3) tension spring (13) connect scrape water arm (2) and under scrape water arm slide block (12), can make and scrape water arm (2) and do away from the motion of scraping water arm (3) down, the stretching motion of water arm is scraped in formation.The assembly pulley guiding that steel wire (5) is formed by pulley (14) in the cursor slide is passed from quill shaft (11) and is connected cam portion assembly pulley (4), scrapes water arm (2) on impelling by pulling force and scrape water arm (3) down to form the relative motion of shortening.
The mode of scraping the water arm swing is with existing to scrape the water arm identical, and just turning cylinder (11) is a hollow.
Slide block among Fig. 7 (8) can be gone up at slide rail (9) and slide.Roller (15) is fixed on the slide block (8).Roller (15) and cam (6) have constituted the directly moving follower lever face cam structure of nose circle, roller (15) can roll on its surface according to the rotation of cam (6), the pulling force of tension spring (7) forms the pressure between roller (15) and cam (6), the rotation of cam (6) can be controlled the distance of slide block (8) and then the distance between the assembly pulley (4) on the control slide block (8), and then control is wrapped in the pulling force of steel wire (5) the length realization steel wire on the running block (4).The axle of pulley (4) is fixed on the slide block (8).Steel wire (5) and pulley (4) form the running block structure.Cam (6) rotates synchronously with the axle (11) of following cursor slide (3).Cam (6) is the two face sliding curved-surface structure, can draw the rotational angle of scraping the water arm and scrape functional relation between the stroke of water arm according to the outer ledge curve of scraping aqua region, variable quantity by distance between the steel wire between the running block (5) length variations amount and two slide blocks (8) is that the multiple relation (is 6 times shown in the figure, change the pulley number and can change multiple), because the length variations of steel wire (5) equals cursor slide (2,3) stroke, and cam (6) rotates and cursor slide (2,3) rotation synchronously.According to above condition, can derive the rotational angle of cam (6) and the functional relation of the variable in distance amount between the roller (15), both can obtain the boundary curve of cam (6), thereby produce the slip curved surface of cam (6).
Claims (11)
1. the present invention designs a kind of automobile windscreen wiper device, compare with existing Windshield Wiper, the rainwater that strikes off automobile wind shield glass that can be wider, existing automobile is a fan-shaped or a plurality of fan-shaped stack with Windshield Wiper path of motion, on glassly there are one or more dead bands of striking off, the scraping the water arm and not only can rotary oscillation can also realize the radial expansion motion of this Windshield Wiper, can make swept area of wiper blade scrape fan-shaped zone in addition, it is characterized in that, scrape the water arm and be divided into two joints up and down, on scrape water arm (2) and can slide at slide block (12) cathetus that scrape water arm (3) down, scraping water arm (2) on impelling inside tension spring (13) is hidden in forms with respect to the stretching motion of scraping water arm (3) down, steel wire (5) passes from quill shaft (11) by assembly pulley (14) guiding and connects assembly pulley (4), its end is fixed on the slide block (8), assembly pulley (4) also is fixed on the slide block (8) of camming, cam (6) rotate cause and its contacted two rollers (15) between distance change according to cam (6) surface curve, and then cause the distance between the slide block (8) to change, cause the length of the steel wire (5) that is wrapped on the assembly pulley (4) to change, scrape water arm (2) on the pulling force of cooperation tension spring (13) impels and change the fore and aft motion of doing with respect to following cursor slide (3) according to scraping water arm swing angle.
2. full visual field wiper described in claim 1 is characterized in that, on scrape water arm (2) and can slide being fixed on slide block (12) cathetus that scrape down in the water arm (3), thereby the radial expansion motion that realizes scraping water arm (2,3).
3. full visual field wiper described in claim 1, it is characterized in that, under scrape be concealed with in the water arm (3) tension spring (13) connect scrape water arm end (17) and under scrape water arm slide block (12), can make and scrape water arm (2) and do, form the stretching motion of scraping the water arm away from the motion of scraping water arm (3) down.
4. full visual field wiper described in claim 1, it is characterized in that, under scrape and have pulley (14) to form pulley structure guiding steel wire (5) in the water arm (3) to stretch out from quill shaft (11), steel wire (5) one ends are connected scrapes water arm (2) end, and control steel wire (5) length is that may command is scraped water arm stroke.
5. full visual field wiper described in claim 1 is characterized in that, the turning cylinder of scraping water arm (3) down is a quill shaft (11), derives the effect of steel wire (5) in addition.
6. full visual field wiper described in claim 1, it is characterized in that, two rollers (15) are separately fixed on two slide blocks (8), and two slide blocks (8) can be gone up linear slide at slide rail (9), and the distance of two rollers (15) is by the peripheral curved surface of cam (6) and rotational angle is common determines.
7. full visual field wiper described in claim 1 is characterized in that, the rotation of cam (6) and the rotational synchronization of scraping water arm (2,3).
8. full visual field wiper described in claim 1 is characterized in that, steel wire (5) connects two slide blocks (8) by running block (4), and cam (6) rotates synchronously with scraping water arm (3), can change the distance between two slide blocks, thereby changes steel wire length.
9. full visual field wiper described in claim 1, it is characterized in that, the relative distance of two slide blocks (8) on slide rail (9) can change according to cam (6) effect, can cause the variation that is wrapped in steel wire (5) length that is fixed on slide block (8) the top sheave group (4), and the length of its variation equals to scrape the flexible length of water arm.
10. full visual field wiper described in claim 1 is characterized in that, the effect of back-moving spring (7) is the precompressed compression of keeping between roller (15) and the cam (6).
11. full visual field wiper described in claim 1 is characterized in that, can regulate with the position of scraping the water arm because steel wire (5) is drawn after fixed pulley imports assembly pulley (4) position of assembly pulley from quill shaft (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100910178A CN101104400A (en) | 2006-07-10 | 2006-07-10 | Full visual field wiper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100910178A CN101104400A (en) | 2006-07-10 | 2006-07-10 | Full visual field wiper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101104400A true CN101104400A (en) | 2008-01-16 |
Family
ID=38998551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006100910178A Pending CN101104400A (en) | 2006-07-10 | 2006-07-10 | Full visual field wiper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101104400A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105083225A (en) * | 2014-05-23 | 2015-11-25 | 罗斯蒙特航天公司 | Mechanism for dynamically varying blade load over a windshield wiper sweep cycle |
| CN107972629A (en) * | 2016-10-24 | 2018-05-01 | 福特环球技术公司 | Expansible wiper system |
| CN112337816A (en) * | 2020-10-22 | 2021-02-09 | 苏州卯是卯自动化设备有限公司 | Full automated inspection machine of POGO PIN |
-
2006
- 2006-07-10 CN CNA2006100910178A patent/CN101104400A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105083225A (en) * | 2014-05-23 | 2015-11-25 | 罗斯蒙特航天公司 | Mechanism for dynamically varying blade load over a windshield wiper sweep cycle |
| CN105083225B (en) * | 2014-05-23 | 2018-09-18 | 罗斯蒙特航天公司 | The mechanism of the windshield wiper blade load in cycle is swept for dynamically changing windscreen wiper brush |
| CN107972629A (en) * | 2016-10-24 | 2018-05-01 | 福特环球技术公司 | Expansible wiper system |
| CN112337816A (en) * | 2020-10-22 | 2021-02-09 | 苏州卯是卯自动化设备有限公司 | Full automated inspection machine of POGO PIN |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Zhang Zhixiang Document name: Notification that Application Deemed to be Withdrawn |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20080116 |