CN214874712U - Anti-deformation automobile wiper blade - Google Patents
Anti-deformation automobile wiper blade Download PDFInfo
- Publication number
- CN214874712U CN214874712U CN202121641915.2U CN202121641915U CN214874712U CN 214874712 U CN214874712 U CN 214874712U CN 202121641915 U CN202121641915 U CN 202121641915U CN 214874712 U CN214874712 U CN 214874712U
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- steel sheet
- connecting portion
- wiper blade
- clearance
- connecting part
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Abstract
The utility model discloses a car windscreen wiper piece of preapring for an unfavorable turn of events shape, including the adhesive tape that is equipped with connecting portion, stop portion and doctor-bar to and set up the steel sheet in the connecting portion both sides respectively, be located lowest order one side during the motion connecting portion with the clearance of steel sheet is greater than the opposite side connecting portion with the clearance of steel sheet. The utility model has the advantages that: the pressure born by the scraping blade during reverse rotation can be effectively reduced, the movement stability of the scraping blade is improved, and the service life of the scraping blade is prolonged.
Description
Technical Field
The utility model relates to a car windscreen wiper piece.
Background
Automobile windshield wiper device is including the wiper blade that is used for wiping automobile glass surface and reciprocating motion's swing arm, the wiper blade is including the connecting piece that is used for connecting the swing arm, the adhesive tape of soft rubber material, wherein the adhesive tape is including setting up the connecting portion in the connecting piece, the portion of stopping and lie in the scraper outside the connecting piece, when the swing arm is by motor drive left right side reciprocating swing, the connecting piece drives the adhesive tape in automobile glass surface from down and up, do reciprocating motion from left right side, under the frictional force effect, the scraper left and right sides swing strikes off the water droplet on glass surface totally. In order to improve the stress area between the connecting piece and the rubber strip, the steel sheets are respectively arranged on two sides of the connecting part in the connecting piece, so that the pressure on the connecting piece can generate downward partial pressure through the steel sheets and is respectively transmitted to the scraping blade from two sides of the connecting part, the friction force between the scraping blade and the glass surface is increased, and the water scraping effect is improved.
Because the installation clearance between the steel sheet and the connecting part is fixed, the pressure applied to the scraping blade in reciprocating motion is constant, but because the curvatures of all parts of the surface of the automobile glass are not completely the same, and in the process that the scraping blade moves from the lower left position when the scraping blade is closed to the upper right position when the scraping blade is opened, the friction force applied to the scraping blade and the pressure of the steel sheet are gradually increased, in order to ensure that the scraping blade can completely scrape rainwater on the surface of the glass at any position, the downward partial pressure value of the steel sheet applied to the scraping blade at the upper right position is used as a judgment basis for setting the minimum pressure value applied to the connecting part by the steel sheet at any time, so that the pressure actually applied to the scraping blade is much larger than the force required for overcoming the friction force on the surface of the glass, when the scraping blade moves from the upper right position to the lower left, the rubber strip body needs to reversely twist and reverse under the action of the connecting part, at the moment, the force on the wiper blade is the largest, so that the wiping tip part is easy to deform and generates vibration during movement, the wiping effect is influenced, and even the service life of the wiper blade is shortened.
Disclosure of Invention
The utility model aims at providing a car windscreen wiper piece of preapring for an unfavorable turn of events shape can effectively reduce the atress when the adhesive tape is located the horizontal position of closing, avoids producing the tremble when reverse motion, prolongs the life of adhesive tape and improves the effect of scraping water.
The technical solution of the utility model is that: the utility model provides a car windscreen wiper piece of preapring for an unfavorable turn of events shape, is including the adhesive tape that is equipped with connecting portion, stop portion and doctor-bar to and set up the steel sheet in the connecting portion both sides respectively, be located during the motion lowest order one side connecting portion with the clearance of steel sheet is greater than the opposite side connecting portion with the clearance of steel sheet.
The clearance is greater than the clearance of opposite side connecting portion and steel sheet between the connecting portion of extreme lower one side and the steel sheet, can make the connecting portion of extreme lower one side when reversing like this, and the virtual position appears in the motion of steel sheet in connecting portion, and a hysteretic application of force process can appear in the steel sheet partial pressure that makes bear on the doctor-bar, has ensured that the doctor-bar can in time reverse, avoids bearing too big pressure when reversing and produces the deformation, can prolong the life of doctor-bar, ensures the clean degree of scraping water.
The lower side wall of the connecting portion located on the lowermost side is inclined downward when in motion. Through the downward sloping of connecting portion lower wall, realize and the effect of the clearance increase between the steel sheet, simple structure.
The rubber strip comprises a left scraping piece and a right scraping piece which are symmetrically arranged at the bottom of the stopping part, and the gap between the connecting part on one side of the left scraping piece and the steel sheet is larger than the gap between the connecting part on one side of the right scraping piece and the steel sheet. To the adhesive tape of two doctor-bars, left doctor-bar often is located one side outside minimum, sets up to relatively great at the connecting portion of left doctor-bar and steel sheet clearance, can ensure that left doctor-bar when the reversal, the virtual position appears in the motion of steel sheet in connecting portion, avoids left doctor-bar to receive too big pressure to lead to warping, further improves the effect of scraping water of two doctor-bar windshield wipers.
The lower side wall of the connecting part on one side of the left scraping blade inclines downwards. Through the downward sloping of connecting portion lower wall, realize and the effect of the clearance increase between the steel sheet, simple structure.
The utility model has the advantages that: the pressure born by the scraping blade during reverse rotation can be effectively reduced, the movement stability of the scraping blade is improved, and the service life of the scraping blade is prolonged.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a schematic structural view of embodiment 1 of the present invention during exercise;
fig. 3 is a schematic structural diagram of embodiment 2 of the present invention;
fig. 4 is a schematic structural view of embodiment 2 of the present invention during exercise;
1. connecting part, 2, stop part, 3, doctor-bar, 4, steel sheet, 5, steel sheet, 6, left doctor-bar, 7, right doctor-bar, 8, connecting piece.
Detailed Description
Example 1:
referring to fig. 1-2, an anti-deformation automobile wiper blade comprises a rubber strip provided with a connecting portion 1, a stopping portion 2 and a wiper blade 3, and a steel sheet 4 and a steel sheet 5 respectively arranged in two sides of the connecting portion 1, wherein a gap between the connecting portion 1 located on one side of the lowest position and the steel sheet 4 is larger than a gap between the connecting portion 1 located on the other side and the steel sheet 5. The lower side wall of the connecting portion 1 accommodating the steel sheet 4 is inclined downward.
The clearance between connecting portion 1 and the steel sheet 4 of extreme low one side is greater than the clearance of opposite side connecting portion 1 and steel sheet 5, can make connecting portion 1 of extreme low one side when reversing like this, the virtual position appears in the motion of steel sheet 4 in connecting portion 1, the partial pressure of the steel sheet 4 that bears on making doctor-bar 3 can appear a lagged application of force process, ensured that doctor-bar 3 can in time reverse, avoid bearing too big pressure when reversing and produce the deformation, can prolong the life of doctor-bar, ensure the clean degree of scraping water.
Example 2:
referring to fig. 3-4, another anti-deformation automobile wiper blade includes a connecting member 8 connected to a swing arm, a connecting portion 1, a stopping portion 2, a left wiper blade 6 and a right wiper blade 7 respectively disposed at left and right sides of the stopping portion 2, and a steel sheet 4 and a steel sheet 5 respectively disposed in two sides of the connecting portion 1, wherein a gap between the connecting portion 1 and the steel sheet 4 at one side of the left wiper blade 6 is larger than a gap between the connecting portion 1 and the steel sheet 5 at one side of the right wiper blade 7. For the wiper with double wiper blades, the left wiper blade 6 is often located on the lowest outer side, the gap between the connecting part 1 of the left wiper blade 6 and the steel sheet 4 is set to be relatively large, so that the virtual position of the movement of the steel sheet 4 in the connecting part 1 can be ensured when the left wiper blade 6 rotates reversely, the deformation caused by overlarge pressure on the left wiper blade 6 is avoided, and the wiping effect of the wiper with double wiper blades is further improved.
The above detailed description is specific to possible embodiments of the present invention, and the embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention should be included within the scope of the present invention.
Claims (4)
1. The utility model provides a car windscreen wiper piece of preapring for an unfavorable turn of events shape, is including the adhesive tape that is equipped with connecting portion, stop portion and doctor-bar to and set up the steel sheet in connecting portion both sides respectively, its characterized in that: the clearance between the connecting part at the lowest position side and the steel sheet is larger than the clearance between the connecting part at the other side and the steel sheet.
2. The anti-deformation automobile wiper blade according to claim 1, characterized in that: the lower side wall of the connecting portion located on the lowermost side is inclined downward when in motion.
3. The anti-deformation automobile wiper blade according to claim 1, characterized in that: the rubber strip comprises a left scraping piece and a right scraping piece which are symmetrically arranged at the bottom of the stopping part, and the gap between the connecting part on one side of the left scraping piece and the steel sheet is larger than the gap between the connecting part on one side of the right scraping piece and the steel sheet.
4. The anti-deformation automobile wiper blade according to claim 3, characterized in that: the lower side wall of the connecting part on one side of the left scraping blade inclines downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121641915.2U CN214874712U (en) | 2021-07-19 | 2021-07-19 | Anti-deformation automobile wiper blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121641915.2U CN214874712U (en) | 2021-07-19 | 2021-07-19 | Anti-deformation automobile wiper blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214874712U true CN214874712U (en) | 2021-11-26 |
Family
ID=78926817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121641915.2U Active CN214874712U (en) | 2021-07-19 | 2021-07-19 | Anti-deformation automobile wiper blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214874712U (en) |
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2021
- 2021-07-19 CN CN202121641915.2U patent/CN214874712U/en active Active
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| GR01 | Patent grant |