CN101811495A - Wiper arm - Google Patents
Wiper arm Download PDFInfo
- Publication number
- CN101811495A CN101811495A CN201010120460A CN201010120460A CN101811495A CN 101811495 A CN101811495 A CN 101811495A CN 201010120460 A CN201010120460 A CN 201010120460A CN 201010120460 A CN201010120460 A CN 201010120460A CN 101811495 A CN101811495 A CN 101811495A
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- CN
- China
- Prior art keywords
- compression coil
- coil spring
- mentioned
- guide piece
- reinforcement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The invention provides and a kind ofly can keep the Windshield Wiper normal operation, and the Wiper arm of ear-piercing grating does not take place when Windshield Wiper is worked.The base end side of Wiper arm (1) axle bearing arm head portion (11) on axle drive shaft, ground axle bearing retainer (12) can stand up and fall down at the close front end place of arm head portion (11), at the front end of arm head portion (11) axle bearing spring guide piece (7) rotationally, at base portion configuration reinforcement (9) near the retainer (12) of the front end of spring guide piece (7), between the front end of the close cardinal extremity place of spring guide piece (7) and reinforcement (9), set up compression coil spring (14), between the wall portion (91) and compression coil spring (14) of reinforcement (9), be provided with the support (15) that the compression coil spring that keeps compression coil spring (14) keeps usefulness.
Description
Technical field
The present invention relates to can be at the Wiper arm of the Wiper blade of the front screen of the hook portion of front end loading and unloading wiping vehicle etc.
Background technology
In the past, Wiper arm was for the easy front screen of wiping vehicle, perhaps be replaced with summer with or use winter etc. have a Wiper blade that meets the performance in season, retainer and arm part can stand up and fall down at the close front end place of arm head portion.
As this Wiper arm, at the front end of arm head portion axle bearing spring guide piece rotationally, at base portion configuration reinforcement near the retainer of the front end of this spring guide piece, set up compression coil spring between them, this structure is used more (for example with reference to patent documentation 1 etc.) because of having advantages such as easy manufacturing and appearance design be good.
Patent documentation 1: TOHKEMY 2002-211365 communique
Yet in this existing Wiper arm, in the process of standing up and falling down of carrying out retainer and arm part repeatedly, the relative spring guide piece of compression coil spring produces offset.
Therefore there are the following problems, and the size and Orientation generation of the application force of compression coil spring is not normal, can not get might normally keeping Windshield Wiper work according to the value of setting according to the pressing force of Wiper arm.
And, when Windshield Wiper is worked, the general-duty pore volume that passes through of compression coil spring and spring guide piece and spring guide piece and reinforcement easily interferes respectively, thereby produces ear-piercing grating, exists to the chaufeur of vehicle with taking advantage of personnel etc. to bring offending problem.
Summary of the invention
So, the purpose of this invention is to provide and a kind ofly can normally keep Windshield Wiper work, and the Wiper arm of ear-piercing grating does not take place when Windshield Wiper is worked.
In order to achieve the above object, the base end side of Wiper arm of the present invention axle bearing arm head portion on axle drive shaft, ground axle bearing retainer can stand up and fall down at the close front end place of this arm head portion, at the front end of above-mentioned arm head portion axle bearing spring guide piece rotationally, at base portion configuration reinforcement near the above-mentioned retainer of the front end of this spring guide piece, between the front end of the close cardinal extremity place of above-mentioned spring guide piece and above-mentioned reinforcement, set up compression coil spring, it is characterized in that, between above-mentioned reinforcement and above-mentioned compression coil spring, be provided with the support that the compression coil spring that keeps this compression coil spring keeps usefulness.
At this, be preferably in above-mentioned compression coil spring keep usefulness support around, the offset of outer peripheral face that is formed with the leading section of fixing above-mentioned compression coil spring prevents the fixed plate of usefulness.
And, be preferably in the substantial middle portion that above-mentioned compression coil spring keeps the support of usefulness, be provided with the through hole of the size that can connect above-mentioned spring guide piece, and extend and be formed with fastening and pass through fastening sheet the general-duty hole at the above-mentioned spring guide piece of the front end that is arranged at above-mentioned reinforcement from this through hole.
The present invention has following effect.
The base end side of this Wiper arm of the present invention axle bearing Wiper arm on axle drive shaft, ground axle bearing retainer can stand up and fall down at the close front end place of arm head portion, at the front end of arm head portion axle bearing spring guide piece rotationally, at base portion configuration reinforcement, between the front end of the close cardinal extremity place of spring guide piece and reinforcement, set up compression coil spring near the retainer of the front end of spring guide piece.
And, between reinforcement and compression coil spring, be provided with the support that the compression coil spring that keeps compression coil spring keeps usefulness.
Owing to be this structure, therefore utilize compression coil spring to keep the support of usefulness, prevent the offset of the relative spring guide piece of compression coil spring, so it is not normal that the size and Orientation of the application force of compression coil spring can not produce, pressing force according to Wiper arm becomes according to the value of setting, thereby can normally keep Windshield Wiper work.
And, when Windshield Wiper is worked, what do not have compression coil spring and spring guide piece and spring guide piece and reinforcement passes through that the general-duty hole interferes respectively and the situation that produces ear-piercing grating, therefore can be to the chaufeur of vehicle with taking advantage of personnel etc. to bring unhappiness.
At this, keep at compression coil spring usefulness support around, be formed with the occasion that the fixedly offset of the outer peripheral face of the leading section of compression coil spring prevents the fixed plate of usefulness, can be simply and realize preventing the structure of the offset of compression coil spring at an easy rate.
In addition, the substantial middle portion that keeps the support of usefulness at compression coil spring, be provided with the through hole of the size that can connect spring guide piece, and extend and be formed with the occasion that fastening is passed through the fastening sheet the general-duty hole at the spring guide piece of the front end that is arranged at reinforcement from through hole, can be simply and the fixing structure of the support of compression coil spring maintenance usefulness of the front end that is implemented in reinforcement at an easy rate.
Description of drawings
Fig. 1 is the block diagram of schematic configuration of the vehicle of the expression Wiper arm that possesses embodiment.
Fig. 2 is the side view in partial cross-section of main portion of schematic configuration of the Wiper arm of expression embodiment.
Fig. 3 is the upward view of schematic configuration of the Wiper arm of expression embodiment.
Fig. 4 is the partial enlarged drawing of the main portion in the Wiper arm of Fig. 2.
Fig. 5 (a) is the front view that the compression coil spring of embodiment keeps the support of usefulness, and Fig. 5 (b) is that the A-A alignment among Fig. 5 (a) is looked cutaway view.
Among the figure:
The 1-Wiper arm, 11-arm head portion, 12-retainer, 13-arm part, 2-vehicle, 3-Wiper blade, the 7-spring guide piece, 9-reinforcement, 91-wall portion, the 91a-spring guide piece passes through the general-duty hole, the 14-compression coil spring, and the 15-compression coil spring keeps the support of usefulness, the 15A-rack body, the 15a-offset prevents the fixed plate of usefulness, 15b-through hole, 15c-fastening sheet.
The specific embodiment
Below, based on embodiment shown in the drawings, embodiments of the present invention are described.
[embodiment]
The Wiper arm 1 of present embodiment as shown in Figure 1, the fixed orifice 11a axle bearing of base end side of arm head portion 11 that is positioned at rearward end is on the axle drive shaft (not shown) of vehicle 2, and by means of retainer 12, Wiper blade 3 releasably is arranged on the hook portion 13a (also with reference to Fig. 2 and Fig. 3) of U font of the front end of arm part 13 by fabricated section 31.
And, utilize to omit graphic Windshield Wiper motor, Wiper arm 1 is moved back and forth to the direction of representing with arrow, with the wiping surface 4a of Wiper blade 3 wiping front screens 4, when inoperative, in the lower edge portion of front screen 4 with the stopped status standby.
The Wiper arm 1 of present embodiment mainly comprises as shown in Figures 2 and 3: arm head portion 11; The cross section that utilizes rivet 5 axle bearings at the close front end place of arm head portion 11 is the retainer 12 of C font roughly; And be held holding piece 12a, the 12a clamping of the front of frame 12 and utilize rivet fixing have the arm part 13 of the hook portion 13a of U font at front end.
And, as shown in Figure 4, spring guide piece 7 utilize roller pin 8 rotationally axle bearing utilize rivet 10,10 fixed configurations reinforcements 9 at the front end of arm head portion 11 at the base portion of retainer 12.
In addition, between the wall portion 91 of protuberance 71,17 that forms at the close cardinal extremity place of spring guide piece 7 and the front end that is formed at reinforcement 9, set up compression coil spring 14.
And, between reinforcement 9 and compression coil spring 14, be provided with the support 15 that the compression coil spring that keeps compression coil spring 14 keeps usefulness.
At this, the support 15 that compression coil spring keeps usefulness by corrosion-resistant steel etc. have high strength and durability and easily material processed constitute, shown in Fig. 5 (a) and (b), be about at thickness 0.2mm thin discoideus rack body 15A around, be formed with the fixed plate 15a that four offsets prevent usefulness by Bending Processing,, this fixed plate 15a is used for fixing the end outer peripheral face nearby of a side that contacts with rack body 15A of compression coil spring 14.
But this offset prevents that the number of the fixed plate 15a of usefulness is not limited to 4, as long as form the fixedly number of the end outer peripheral face nearby of a side that contacts with rack body 15A of compression coil spring 14.
In addition, compression coil spring keeps the support 15 of usefulness to be provided with the through hole 15b of the size that can connect spring guide piece 7 in the substantial middle portion of rack body 15A.
And, pass through between the 91a of general-duty hole at spring guide piece 7 and the spring guide piece 7 that is arranged in the wall portion 91 of reinforcement 9, be provided with gap as play, so on rack body 15A, from through hole 15b extend and by Bending Processing be formed with 4 fastening sheet 15c ..., the spring guide piece 7 of this fastening sheet 15c fastening on being arranged at the wall portion 91 of reinforcement 9 passes through among the 91a of general-duty hole.
But the number of this fastening sheet 15c is not limited to 4, as long as form the number of can the spring guide piece 7 of fastening on being arranged at the wall portion 91 of reinforcement 9 passing through among the 91a of general-duty hole.
In addition, through hole 15b fastening sheet 15c ... between roughly circular-arc part be set respectively and form, and these roughly circular-arc parts be used for carry out fastening sheet 15c ... Bending Processing the time prevent to produce distortion.
In addition, this Wiper arm 1 is mounted to the part exposed inside shown in Figure 3 towards the wiping surface 4a of the front screen 4 of vehicle 2 side.
And retainer 12 and arm part 13 are axle with rivet 5 shown in solid line and dummy line among Fig. 2, can stand up and fall down between the wiping surface 4a that is in front screen 4 at the close front end of arm head portion 11 and the approximate right angle direction of separating from wiping surface 4a.
Thereby, 13 of retainer 12 and arm parts immediately, the wiping surface 4a of the front screen 4 of wiping vehicle 2 easily, perhaps be replaced with summer with or use winter etc. have a Wiper blade 3 that meets the performance in season.
To this, when retainer 2 and arm part 13 fell down, the blade rubber of Wiper blade 3 (not shown) was with on the wiping surface 4a of appropriate pressing force by the front screen 4 that is pressed in vehicle 2.
Below, the action effect of the Wiper arm 1 of present embodiment is described.
The fixed orifice 11a of the Wiper arm 1 of this present embodiment base end side of axle bearing arm head portion 11 on the axle drive shaft of vehicle 2, ground axle bearing retainer 12 can stand up and fall down at the close front end place of arm head portion 11, at the front end of arm head portion 11 axle bearing spring guide piece 7 rotationally, at base portion configuration reinforcement 9, between the front end of the close cardinal extremity place of spring guide piece 7 and reinforcement 9, set up compression coil spring 14 near the retainer 12 of the front end of spring guide piece 7.
And, between the wall portion 91 and compression coil spring 14 of reinforcement 9, be provided with the support 15 that the compression coil spring that keeps compression coil spring 14 keeps usefulness.
Owing to be this structure, therefore utilize compression coil spring to keep the support 15 of usefulness, prevent the offset of compression coil spring 14 relative spring guide pieces 7, so it is not normal that the size and Orientation of the application force of compression coil spring 14 can not produce, pressing force according to Wiper arm 1 becomes according to the value of setting, thereby can normally keep Windshield Wiper work.
And, when Windshield Wiper is worked, do not exist the spring guide piece 7 of compression coil spring 14 and the wall portion 91 of spring guide piece 7 and spring guide piece 7 front ends and reinforcement 9 to pass through that general-duty hole 91a interferes respectively and the situation that produces ear-piercing grating, therefore can and not take advantage of personnel etc. to bring unhappiness together the chaufeur of vehicle 2.
At this, since keep at compression coil spring usefulness support 15 rack body 15A around, be formed with fixed plate 15a that the fixedly offset of the outer peripheral face of the leading section of compression coil spring 14 prevents usefulness ... therefore, can be simply and realize preventing the structure of the offset of compression coil spring 14 at an easy rate.
In addition, owing to keep the substantial middle portion of rack body 15A of the support 15 of usefulness at compression coil spring, be provided with the through hole 15b of the size that can connect spring guide piece 7, and from through hole 15b extend and be formed with fastening the spring guide piece 7 of the wall portion 91 that is arranged at reinforcement 9 front ends pass through fastening sheet 15c the 91a of general-duty hole ... therefore, can be simply and be implemented in the fixing structure of the support 15 of compression coil spring maintenance usefulness of wall portion 91 of the front end of reinforcement 9 at an easy rate.
And because that compression coil spring keeps support 15 thickness of usefulness to be about 0.2mm is extremely thin, so the miscellaneous part of Wiper arm 1 all need not to carry out design modification, just can obtain above-mentioned action effect, thereby very economical.
More than, with reference to accompanying drawing and based on embodiment embodiments of the present invention are had been described in detail, but concrete structure being not limited to this embodiment, the design modification that does not break away from the degree of main contents of the present invention also is contained in the present invention.
For example, in the above-described embodiments, reinforcement 9 keeps the support 15 of usefulness to make different parts with compression coil spring, but is not limited to this, also both can be constituted one and implements the present invention.
Claims (3)
1. Wiper arm, the base end side of axle bearing arm head portion on axle drive shaft, ground axle bearing retainer can stand up and fall down at the close front end place of this arm head portion, at the front end of above-mentioned arm head portion axle bearing spring guide piece rotationally, at base portion configuration reinforcement near the above-mentioned retainer of the front end of this spring guide piece, between the front end of the close cardinal extremity place of above-mentioned spring guide piece and above-mentioned reinforcement, set up compression coil spring, it is characterized in that
Between above-mentioned reinforcement and above-mentioned compression coil spring, be provided with the support that the compression coil spring that keeps this compression coil spring keeps usefulness.
2. Wiper arm according to claim 1 is characterized in that,
Keep at above-mentioned compression coil spring usefulness support around, the offset of outer peripheral face that is formed with the leading section of fixing above-mentioned compression coil spring prevents the fixed plate of usefulness.
3. Wiper arm according to claim 1 and 2 is characterized in that,
The substantial middle portion that keeps the support of usefulness at above-mentioned compression coil spring, be provided with the through hole of the size that can connect above-mentioned spring guide piece, and extend and be formed with fastening and pass through fastening sheet the general-duty hole at the above-mentioned spring guide piece of the front end that is arranged at above-mentioned reinforcement from this through hole.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009-040908 | 2009-02-24 | ||
| JP2009040908A JP5239937B2 (en) | 2009-02-24 | 2009-02-24 | Wiper arm |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101811495A true CN101811495A (en) | 2010-08-25 |
| CN101811495B CN101811495B (en) | 2012-08-29 |
Family
ID=42618909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010120460XA Expired - Fee Related CN101811495B (en) | 2009-02-24 | 2010-02-21 | Wiper arm |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5239937B2 (en) |
| CN (1) | CN101811495B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109318860A (en) * | 2018-08-10 | 2019-02-12 | 三汽车制造有限公司 | Driver's cabin and engineering truck |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014051219A (en) * | 2012-09-07 | 2014-03-20 | Asmo Co Ltd | Vehicle wiper device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0611257Y2 (en) * | 1989-04-10 | 1994-03-23 | 市光工業株式会社 | Biasing structure of wiper arm |
| JP3764053B2 (en) * | 2001-01-19 | 2006-04-05 | 市光工業株式会社 | Wiper arm |
| EP1810898A1 (en) * | 2006-01-18 | 2007-07-25 | Federal-Mogul S.A. | A windscreen wiper arm |
-
2009
- 2009-02-24 JP JP2009040908A patent/JP5239937B2/en not_active Expired - Fee Related
-
2010
- 2010-02-21 CN CN201010120460XA patent/CN101811495B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109318860A (en) * | 2018-08-10 | 2019-02-12 | 三汽车制造有限公司 | Driver's cabin and engineering truck |
| CN109318860B (en) * | 2018-08-10 | 2024-05-07 | 三一汽车制造有限公司 | Cab and engineering vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5239937B2 (en) | 2013-07-17 |
| JP2010195143A (en) | 2010-09-09 |
| CN101811495B (en) | 2012-08-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120829 Termination date: 20130221 |