CN109229064B - Adjusting device and method for attack angle of windscreen wiper - Google Patents
Adjusting device and method for attack angle of windscreen wiper Download PDFInfo
- Publication number
- CN109229064B CN109229064B CN201811286953.3A CN201811286953A CN109229064B CN 109229064 B CN109229064 B CN 109229064B CN 201811286953 A CN201811286953 A CN 201811286953A CN 109229064 B CN109229064 B CN 109229064B
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- connecting rod
- attack angle
- adjusting piece
- adjusting
- limiting groove
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
- B60S1/38—Wiper blades
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
Abstract
The invention discloses a device and a method for adjusting an attack angle of a windscreen wiper, wherein the adjusting device comprises a first adjusting piece, a second adjusting piece and a connecting rod, the first adjusting piece and the second adjusting piece are connected through the connecting rod, and the first adjusting piece and the connecting rod are rotatably connected; a first limiting groove is formed in the first adjusting piece and matched with one end of the connecting rod of the windscreen wiper; and a second limiting groove is formed in the second adjusting piece and matched with the other end of the windscreen wiper connecting rod. Compared with the prior art, the invention realizes the quick and convenient adjustment of the center position of the rubber strip of the windscreen wiper through the matching of the first adjusting piece and the second adjusting piece, so that the attack angle meets the requirement.
Description
Technical Field
The invention relates to the technical field of wipers, in particular to an adjusting device and a method for adjusting an attack angle of a wiper.
Background
The attack angle of the windscreen wiper is the included angle between the center of an adhesive tape on the windscreen wiper after the wiper blade is installed and the vertical normal surface of glass, and the windscreen wiper is an accurate electric control mechanical structure, so that the attack angle is generally required to be controlled between (-5 degrees) and-5 degrees as an important technical parameter, and once the attack angle is unqualified, the problems of poor wiping effect, abnormal wiping noise, even wiper jumping and the like are caused, and the driving safety in rainy days is influenced.
Therefore, how to effectively adjust the installation state of the wiper blade to accurately control the attack angle is an important problem in the technical field of the automobile wiper blade. Since the attack angle of the wiper blade can be confirmed only after installation and positioning, the attack angle is generally detected in a whole vehicle state. However, in the state of the whole vehicle, although whether the attack angle is reasonable can be easily checked, the wiper blade which does not meet the requirement of the attack angle is inconvenient to adjust.
Disclosure of Invention
The invention aims to provide an adjusting device for an attack angle of a windscreen wiper, which is used for solving the defects in the prior art and can conveniently adjust the center position of a rubber strip of the windscreen wiper so as to enable the attack angle to meet the requirements.
The invention provides a device for adjusting an attack angle of a windscreen wiper, which comprises a first adjusting piece, a second adjusting piece and a connecting rod, wherein the first adjusting piece is connected with the second adjusting piece through the connecting rod, and the first adjusting piece is rotatably connected with the connecting rod;
the first adjusting piece is provided with a first limiting groove, and the first limiting groove is matched with one end of the windscreen wiper connecting rod so as to fix one end of the windscreen wiper connecting rod in the first limiting groove;
and a second limiting groove is formed in the second adjusting piece, and the second limiting groove is matched with the other end of the windscreen wiper connecting rod so as to fix the other end of the windscreen wiper connecting rod in the second limiting groove.
The adjusting device for the attack angle of the wiper blade as described above, wherein the second adjusting member is optionally rotatably connected to the connecting rod.
The device for adjusting the attack angle of the wiper blade is characterized in that a first rotating shaft part and a second rotating shaft part are respectively arranged at two ends of the connecting rod;
the first adjusting piece is provided with a first shaft hole in clearance fit with the first rotating shaft part; a second shaft hole in clearance fit with the second rotating shaft part is formed in the second adjusting piece;
the first rotating shaft part penetrates through the first shaft hole to be fixedly connected with a first fastening bolt, and the second rotating shaft part penetrates through the second shaft hole to be fixedly connected with a second fastening bolt.
The device for adjusting the attack angle of the wiper blade as described above, wherein optionally, a limiting portion is disposed between the first rotating shaft portion and the second rotating shaft portion, and the first rotating shaft portion, the second rotating shaft portion and the limiting portion are integrally formed;
a first shaft hole limiting part is arranged at the joint of the limiting part and the first rotating shaft part so as to limit the limiting part from entering the first shaft hole; and a second shaft hole limiting part is arranged at the joint of the limiting part and the second rotating shaft part so as to limit the limiting part from entering the second shaft hole.
The adjusting device for the attack angle of the wiper blade as described above may further include an angle measuring mechanism for measuring a rotation angle of the first adjusting member.
The adjusting device for the attack angle of the wiper blade as described above, wherein optionally the angle measuring mechanism includes a pointer and a dial, the pointer being mounted on the first adjusting member, and the dial being mounted on the second adjusting member.
The device for adjusting the attack angle of the wiper blade as described above, wherein the first adjusting member and the second adjusting member are both made of dupont P.
The adjusting device for the attack angle of the wiper blade as described above, wherein optionally, the notch of the first limiting groove is oriented in the same direction as the notch of the second limiting groove.
The device for adjusting the attack angle of the wiper blade as described above, wherein optionally, a distance from a notch center of the first limiting groove to the first end of the first adjusting member is equal to a distance from a central axis of the connecting rod to the first end of the first adjusting member;
and the distance from the center of the notch of the second limiting groove to the first end of the second adjusting piece is equal to the distance from the central axis of the connecting rod to the first end of the second adjusting piece.
The invention also provides a method for adjusting the attack angle of the windscreen wiper by the adjusting device of the attack angle of the windscreen wiper, which mainly comprises the following steps:
s101: acquiring an actual attack angle value;
s102: obtaining an attack angle difference value according to the target attack angle numerical value and the actual attack angle numerical value;
s103: respectively buckling two ends of a connecting rod of the windscreen wiper on a first limiting groove and a second limiting groove of an adjusting device of the attack angle of the windscreen wiper; and rotating the first adjusting piece according to the attack angle difference value to enable one end of the connecting rod of the windscreen wiper to rotate circumferentially, so that the position of the center of the rubber strip of the windscreen wiper is adjusted.
Compared with the prior art, the invention realizes the fast and convenient adjustment of the center position of the rubber strip of the windscreen wiper through the matching of the first adjusting piece and the second adjusting piece, so that the attack angle meets the requirement; specifically, two ends of a connecting rod of the windscreen wiper are respectively buckled on a first limiting groove and a second limiting groove of an adjusting device of the attack angle of the windscreen wiper; rotating the first adjusting piece to enable one end of the connecting rod of the windscreen wiper to rotate circumferentially so as to adjust the position of the center of the rubber strip of the windscreen wiper; the size of the attack angle is directly influenced by the position of the center of the rubber strip of the windscreen wiper.
The angle measuring device can accurately control the adjusted angle, so that accurate correction is achieved.
Drawings
Fig. 1 is an isometric view of an adjusting device for an attack angle of a wiper blade according to an embodiment of the present invention;
fig. 2 is an exploded view of an adjusting device for an attack angle of a wiper blade according to an embodiment of the present invention;
fig. 3 is a usage state diagram of the adjusting device for the attack angle of the wiper blade according to the embodiment of the present invention.
Description of reference numerals: 1-a first adjustment element, 11-a first limit groove, 12-a first shaft hole, 2-a second adjustment element, 21-a second limit groove, 22-a second shaft hole, 3-a connecting rod, 31-a first rotating shaft part, 32-a second rotating shaft part, 33-a limit part, 41-a first fastening bolt, 42-a second fastening bolt, 5-an angle measuring mechanism, 51-a pointer, 52-a dial,
100-wiper connecting rod.
Detailed Description
The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention.
The embodiment of the invention comprises the following steps: as shown in fig. 1-3, an adjusting device for an attack angle of a wiper is provided, which includes a first adjusting member 1, a second adjusting member 2 and a connecting rod 3, wherein the first adjusting member 1 is connected with the second adjusting member 2 through the connecting rod 3, and the first adjusting member 1 is rotatably connected with the connecting rod 3; the first adjusting rod 1 and the second adjusting part 2 rotate relatively by rotating around the connecting rod 3. In the present embodiment, the second adjusting member 2 is also rotatably connected to the connecting rod 3, and in another embodiment, the second adjusting member 2 may be fixedly connected to the connecting rod 3, as long as the first adjusting member 1 and the second adjusting member 2 are rotated relatively.
A first limiting groove 11 is formed in the first adjusting part 1, and the first limiting groove 11 is matched with one end of the windscreen wiper connecting rod 100 so as to fix one end of the windscreen wiper connecting rod 100 in the first limiting groove 11; the wiper connecting rod 100 is generally shaped like a rectangular parallelepiped, and the first limiting groove 11 is a square groove. The purpose of the first limiting groove 11 is to fix one end of the wiper connecting rod 100, so as to prevent the wiper connecting rod 100 from rotating in the first limiting groove 11.
The second adjusting part 2 is provided with a second limiting groove 21, and the second limiting groove 21 is matched with the other end of the wiper connecting rod 100 so as to fix the other end of the wiper connecting rod 100 in the second limiting groove 21. Similarly, the second limiting groove 21 is also a square groove because the wiper connecting rod 100 is shaped like a rectangular parallelepiped. The purpose of the second limiting groove 21 is to fix the other end of the wiper connecting rod 100, so as to prevent the wiper connecting rod 100 from rotating in the second limiting groove 21. It will be appreciated that the orientation of the rebate of the first restraint slot 11 corresponds to the orientation of the rebate of the second restraint slot 21. This can facilitate fixing both ends of the wiper blade connecting rod 100. First adjusting part 1 and second adjusting part 2 are height 200mm, long 30mm, wide 20 mm's cuboid, and the border position of cuboid has all carried out the fillet and has handled, and the above-mentioned design is convenient for holding and having an effect of adjusting part. In this embodiment, the width of the notch of the first limiting groove 12 and the second limiting groove 22 is 5mm, and the depth of the groove is 10mm, but it should be understood that the width of the notch and the depth of the notch of the first limiting groove 12 and the second limiting groove 22 are adjusted according to the specific wiper connecting rod 100, and the size of the notch of the first limiting groove 12 and the second limiting groove 22 can be designed to be adjustable to improve the applicability of the device.
During the use process, firstly, an attack Angle measuring tool is adopted to measure the size of the attack Angle of the wiper after installation and fixation, wherein the attack Angle measuring tool is a Twisting Angle Measurement Device type 04090-A model. Then obtaining an attack angle difference value according to the target attack angle numerical value and the actual attack angle numerical value; and adjusting by adopting an adjusting device of the attack angle of the windscreen wiper according to the difference value of the attack angles. When the adjusting device for the attack angle of the windscreen wiper is used, firstly, two ends of a rod of the connecting rod 100 of the windscreen wiper are respectively fixed in a first limiting groove 11 and a second limiting groove 21, then, the first adjusting piece 1 is rotated to enable the first adjusting piece 1 and the second adjusting piece 2 to rotate relatively, at the moment, the second adjusting piece 2 can be made to be still or the second adjusting piece 2 can be made to rotate towards the direction opposite to the rotating direction of the first adjusting piece 1, and therefore the first end of the connecting rod 100 of the windscreen wiper rotates in the circumferential direction. The essence of the embodiment is that the wiper connecting rod 100 is broken by two adjusting members, and the position of the wiper blade fixed on the wiper connecting rod 100 is adjusted by adjusting the wiper connecting rod 100, so as to change the attack angle, because the attack angle of the wiper blade is the included angle between the center of the rubber strip on the wiper blade and the vertical normal plane of the glass after the wiper blade is installed. It should be noted that the embodiments of the present disclosure are only suitable for adjusting a wiper having a standard wiper arm, that is, a wiper blade is fixed to a wiper connecting rod 100 by a TOP-LOCK wiper blade connector, and then the wiper connecting rod 100 is fixed to a wall-mount by a wiper arm. In this wiper, the wiper connecting rod 100 is substantially aligned with the extending direction of the wiper blade, and the center position of the wiper blade can be adjusted by breaking the wiper connecting rod 100. The adjusting device for the attack angle of the windscreen wiper provided by the embodiment can be used for detecting and correcting the windscreen wiper in the whole vehicle installation state, the windscreen wiper does not need to be detached for adjustment and then installed, the adjusting cost is reduced, and the efficiency is improved.
It is understood that the two ends of the connecting rod 3 are respectively provided with a first rotating shaft portion 31 and a second rotating shaft portion 32; the first adjusting piece 1 is provided with a first shaft hole 12 which is in clearance fit with the first rotating shaft part 31; the second adjusting part 2 is provided with a second shaft hole 22 which is in clearance fit with the second rotating shaft part 32; the first rotating shaft portion 31 is fixedly connected to the first fastening bolt 41 through the first shaft hole 12, and the second rotating shaft portion 32 is fixedly connected to the second fastening bolt 42 through the second shaft hole 22. The first rotating shaft portion 31 and the first shaft hole 12 are simple in design and structure and convenient to use.
Further, a stopper 33 is provided between the first rotating shaft 31 and the second rotating shaft 32, and the first rotating shaft 31, the second rotating shaft 32 and the stopper 33 are integrally formed;
a first shaft hole limiting part is arranged at the joint of the limiting part 33 and the first rotating shaft part 31 so as to limit the limiting part 33 from entering the first shaft hole 12; a second shaft hole limiting portion is disposed at a joint of the limiting portion 33 and the second rotating shaft portion 32 to limit the limiting portion 33 from entering the second shaft hole 22. The limiting part 33 prevents the first adjusting part 1 and the second adjusting part 2 from moving towards each other. Specifically, the limiting portion 33 may be a cylindrical structure, and the cross-sectional diameter of the limiting portion 33 is larger than the diameter of the first shaft hole 12 and larger than the diameter of the second shaft hole 22.
Further, in order to accurately determine the adjusted angle value, the adjusting device for the attack angle of the wiper blade further comprises an angle measuring mechanism 5 for measuring the rotation angle of the first adjusting member 1. Specifically, the angle measuring mechanism 5 includes a pointer 51 mounted on the first adjusting member 1 and a scale 52 mounted on the second adjusting member 2. The angle of relative rotation between the first adjusting member 1 and the second adjusting member 2 can be confirmed by the cooperation of the pointer 51 and the scale plate 52. In this embodiment, when the first adjusting member 1 and the second adjusting member 2 are arranged in parallel, the scale of the pointer 51 can be exactly corresponding to the zero degree position of the scale disc 52, so that the reading of the numerical value for calculating the rotation angle is convenient.
Further, the first adjusting member 1 and the second adjusting member 2 are made of dupont 100P. Because dupont 100P can bear great pulling force, dupont 100P is the surface coating of plastics material not fragile arm of scraping in pulling the process simultaneously.
Further, the distance from the center of the notch of the first limiting groove 11 to the first end of the first adjusting part 1 is equal to the distance from the central axis of the connecting rod 3 to the first end of the first adjusting part 1; the distance from the center of the notch of the second limiting groove 21 to the first end of the second adjusting part 2 is equal to the distance from the central axis of the connecting rod 3 to the first end of the second adjusting part 2. And the distance between the connecting rod 3 and the first adjusting piece 1 is smaller than the distance between the wiper connecting rod 100 and the roof engine cover after installation and fixation, so that the first limiting groove 11 and the second limiting groove 12 can be fixed on the connecting rod 100 in a whole vehicle state. And the notch position of the first limit groove 11 is arranged on the horizontal plane where the connecting rod 3 is located as much as possible, so that the first limit groove 11 is close to the connecting rod 3 as much as possible, and the rotation adjustment is facilitated.
The embodiment also provides a method for adjusting the attack angle of the windscreen wiper by adopting the device for adjusting the attack angle of the windscreen wiper, which mainly comprises the following steps:
s101: acquiring an actual attack angle value; in the process, an attack Angle measuring tool (the attack Angle measuring tool adopted in the embodiment is Twisting Angle Measurement Device type 04090-A) is firstly used for measuring the attack Angle value in the state of the whole vehicle.
S102: obtaining an attack angle difference value according to the target attack angle numerical value and the actual attack angle numerical value;
s103: respectively buckling two ends of a connecting rod of the windscreen wiper on a first limiting groove and a second limiting groove of an adjusting device of the attack angle of the windscreen wiper; and rotating the first adjusting piece according to the attack angle difference value to enable one end of the connecting rod of the windscreen wiper to rotate circumferentially, so that the position of the center of the rubber strip of the windscreen wiper is adjusted.
In step S103, when the two ends of the wiper connecting rod are respectively fastened to the first limiting groove and the second limiting groove of the wiper attack angle adjusting device, the reading of the pointer on the dial may be read, and then the pointer may be rotated by a corresponding value according to the difference of the attack angle, and since the rotated wiper connecting rod 100 has a characteristic of rebounding after rotational deformation, it is usually required to rotate by a degree greater than the difference of the attack angle. And measuring the actual attack angle value again after rotation, finishing adjustment if the actual attack angle value meets the requirement, and adjusting again if the actual attack angle value does not meet the requirement.
The construction, features and functions of the present invention are described in detail in the embodiments illustrated in the drawings, which are only preferred embodiments of the present invention, but the present invention is not limited by the drawings, and all equivalent embodiments modified or changed according to the idea of the present invention should fall within the protection scope of the present invention without departing from the spirit of the present invention covered by the description and the drawings.
Claims (8)
1. The adjusting device for the attack angle of the windscreen wiper is characterized by comprising a first adjusting piece, a second adjusting piece and a connecting rod, wherein the first adjusting piece is connected with the second adjusting piece through the connecting rod, and the first adjusting piece is rotatably connected with the connecting rod;
the first adjusting piece is provided with a first limiting groove, and the first limiting groove is matched with one end of the windscreen wiper connecting rod so as to fix one end of the windscreen wiper connecting rod in the first limiting groove;
a second limiting groove is formed in the second adjusting piece and matched with the other end of the windscreen wiper connecting rod, so that the other end of the windscreen wiper connecting rod is fixed in the second limiting groove;
the second adjusting piece is rotatably connected with the connecting rod;
a first rotating shaft part and a second rotating shaft part are respectively arranged at two ends of the connecting rod;
the first adjusting piece is provided with a first shaft hole in clearance fit with the first rotating shaft part; a second shaft hole in clearance fit with the second rotating shaft part is formed in the second adjusting piece;
the first rotating shaft part penetrates through the first shaft hole to be fixedly connected with a first fastening bolt, and the second rotating shaft part penetrates through the second shaft hole to be fixedly connected with a second fastening bolt.
2. The adjustment device for the attack angle of a wiper blade according to claim 1, wherein: a limiting part is arranged between the first rotating shaft part and the second rotating shaft part, and the first rotating shaft part, the second rotating shaft part and the limiting part are integrally formed;
a first shaft hole limiting part is arranged at the joint of the limiting part and the first rotating shaft part so as to limit the limiting part from entering the first shaft hole; and a second shaft hole limiting part is arranged at the joint of the limiting part and the second rotating shaft part so as to limit the limiting part from entering the second shaft hole.
3. The adjustment device for the attack angle of a wiper blade according to claim 1, wherein: the angle measuring mechanism is used for measuring the rotating angle of the first adjusting piece.
4. The adjustment device for the attack angle of a wiper blade according to claim 3, wherein: the angle measuring mechanism includes a pointer and a dial, the pointer being mounted on the first adjustment member, the dial being mounted on the second adjustment member.
5. The adjustment device for the attack angle of a wiper blade according to claim 1, wherein: the first adjusting piece and the second adjusting piece are both made of DuPont P.
6. The adjustment device for the attack angle of a wiper blade according to claim 1, wherein: the direction of the notch of the first limiting groove is consistent with the direction of the notch of the second limiting groove.
7. The adjustment device for the attack angle of a wiper blade according to claim 1, wherein: the distance from the center of the notch of the first limiting groove to the first end of the first adjusting piece is equal to the distance from the central axis of the connecting rod to the first end of the first adjusting piece;
the distance from the center of the notch of the second limiting groove to the first end of the second adjusting piece is equal to the distance from the central axis of the connecting rod to the first end of the second adjusting piece.
8. A method for adjusting an attack angle of a wiper blade using the device for adjusting an attack angle of a wiper blade as claimed in any one of claims 1 to 7, comprising the steps of:
s101: acquiring an actual attack angle value;
s102: obtaining an attack angle difference value according to the target attack angle numerical value and the actual attack angle numerical value;
s103: respectively buckling two ends of a connecting rod of the windscreen wiper on a first limiting groove and a second limiting groove of an adjusting device of the attack angle of the windscreen wiper; and rotating the first adjusting piece according to the attack angle difference value to enable one end of the connecting rod of the windscreen wiper to rotate circumferentially, so that the position of the center of the rubber strip of the windscreen wiper is adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811286953.3A CN109229064B (en) | 2018-10-31 | 2018-10-31 | Adjusting device and method for attack angle of windscreen wiper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811286953.3A CN109229064B (en) | 2018-10-31 | 2018-10-31 | Adjusting device and method for attack angle of windscreen wiper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109229064A CN109229064A (en) | 2019-01-18 |
| CN109229064B true CN109229064B (en) | 2020-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811286953.3A Active CN109229064B (en) | 2018-10-31 | 2018-10-31 | Adjusting device and method for attack angle of windscreen wiper |
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| Country | Link |
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| CN (1) | CN109229064B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19535048A1 (en) * | 1994-10-07 | 1996-04-11 | Volkswagen Ag | Windscreen wiper contact angle measuring unit for motor vehicle |
| CN203672359U (en) * | 2013-11-29 | 2014-06-25 | 天津博信汽车零部件有限公司 | Attack angle and pressing force testing and adjusting device used for windscreen wiper |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8839697B2 (en) * | 2011-12-06 | 2014-09-23 | Nissan North America, Inc. | Wiper attack angle adjustment tool |
-
2018
- 2018-10-31 CN CN201811286953.3A patent/CN109229064B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19535048A1 (en) * | 1994-10-07 | 1996-04-11 | Volkswagen Ag | Windscreen wiper contact angle measuring unit for motor vehicle |
| CN203672359U (en) * | 2013-11-29 | 2014-06-25 | 天津博信汽车零部件有限公司 | Attack angle and pressing force testing and adjusting device used for windscreen wiper |
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| CN109229064A (en) | 2019-01-18 |
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