CN115071636A - Two doctor-bars windscreen wiper arms - Google Patents
Two doctor-bars windscreen wiper arms Download PDFInfo
- Publication number
- CN115071636A CN115071636A CN202210646565.1A CN202210646565A CN115071636A CN 115071636 A CN115071636 A CN 115071636A CN 202210646565 A CN202210646565 A CN 202210646565A CN 115071636 A CN115071636 A CN 115071636A
- Authority
- CN
- China
- Prior art keywords
- arm
- arm plate
- spring
- fixing piece
- plate
- 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.)
- Pending
Links
- 238000007790 scraping Methods 0.000 claims description 10
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims 7
- 230000001680 brushing effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Classifications
-
- 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
- B60S1/34—Wiper arms; Mountings therefor
- B60S1/3463—Means to press blade onto screen
-
- 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
- B60S1/34—Wiper arms; Mountings therefor
-
- 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
- B60S1/34—Wiper arms; Mountings therefor
- B60S1/3425—Constructional aspects of the arm
-
- 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
- B60S1/34—Wiper arms; Mountings therefor
- B60S1/3425—Constructional aspects of the arm
- B60S1/3429—Arm pieces
-
- 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
- B60S1/34—Wiper arms; Mountings therefor
- B60S1/3425—Constructional aspects of the arm
- B60S1/3431—Link pieces
-
- 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
-
- 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
- B60S1/40—Connections between blades and arms
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention provides a double-scraper wiper arm which comprises an arm seat, wherein the front end of the arm seat is connected with a first arm plate and a second arm plate, the front ends of the first arm plate and the second arm plate are respectively connected with a first scraper and a second scraper, and the rear ends of the first arm plate and the second arm plate are hinged with the front end of the arm seat; the front end of the arm seat is provided with a first spring fixing piece, any position of the first arm plate close to the rear end of the first arm plate is provided with a second spring fixing piece, a first spring is arranged between the first spring fixing piece and the second spring fixing piece, any position of the second arm plate close to the rear end of the second arm plate is provided with a third spring fixing piece, and a second spring is arranged between the first spring fixing piece and the third spring fixing piece. According to the double-scraper wiper arm, the pressure of the two scrapers is controlled by the different springs, the pressure distribution is uniform, the wiping efficiency of the scrapers is guaranteed, the whole size is reduced by adopting a partially covered or fully covered arm plate structure, the double-scraper wiper arm is also suitable for a small vehicle, and the wind resistance is reduced and the floating condition is prevented by adopting an inclined plane design or opening of the arm plate.
Description
Technical Field
The invention relates to a wiper arm, in particular to a double-wiper-blade wiper arm capable of independently controlling the pressure of each wiper blade.
Background
At present, two wiper blades are assembled on a rotating arm of a wiper arm with double wiper blades, and pressure distribution is not carried out on the two wiper blades with different lengths, so that the pressure distribution of the wiper blades is uneven, and the wiping efficiency of the wiper blades is influenced.
Meanwhile, such wiper arms also have two drawbacks:
1. the structure size is large, and the structure is not suitable for some small vehicles;
2. when the vehicle runs at high speed, the scraping arm is easy to float under the action of wind, so that the scraping and brushing of the scraping blade are not clean.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, provides a double-blade wiper arm, and solves the problems that the existing wiper arm with double blades is uneven in pressure distribution of the blades, large in structural size and strong in wind and is easy to float.
In order to solve the technical problems, the invention provides the following technical scheme:
a double-scraper wiper arm comprises an arm seat, wherein the rear end of the arm seat is connected with a rotary driving shaft, the front end of the arm seat is connected with a first arm plate and a second arm plate, the front ends of the first arm plate and the second arm plate are respectively connected with a first scraper and a second scraper, and the rear ends of the first arm plate and the second arm plate are hinged with the front end of the arm seat; the front end of arm seat is provided with first spring mounting, the optional position that first armplate is close to its rear end is provided with second spring mounting, be provided with first spring between first spring mounting and the second spring mounting, the optional position that second armplate is close to its rear end is provided with third spring mounting, be provided with the second spring between first spring mounting and the third spring mounting.
Furthermore, a first groove is formed in the lower end face of the front end of the arm seat, a second groove is formed in the lower end face of the rear end of the first arm plate, and a third groove is formed in the lower end face of the rear end of the second arm plate; the front end of the arm seat is integrally positioned in the second groove, the rear end of the second arm plate is integrally positioned in the first groove, and the rest part of the second arm plate is positioned in the second groove; the rivet penetrates through the front end of the arm seat, the rear end of the first arm plate and the rear end of the second arm plate to realize the hinge joint of the front end of the arm seat, the rear end of the first arm plate and the rear end of the second arm plate.
Further, the first spring fixing piece is located in the first groove, the second spring fixing piece and the first spring are located in the second groove, and the third spring fixing piece and the second spring are located in the third groove.
Further, the first spring fixing piece and the third spring fixing piece are both pins, and the second spring fixing piece is a perforated plate.
Furthermore, a plurality of openings are formed in the first arm plate.
Furthermore, the openings are rhombic holes which are arranged at equal intervals.
Further, the outer surface of the first arm plate is provided with a slope.
According to the double-scraper wiper arm, the pressure of the two scrapers is controlled by the different springs, the pressure distribution is uniform, the wiping efficiency of the scrapers is guaranteed, the whole size is reduced by adopting a partially covered or fully covered arm plate structure, the double-scraper wiper arm is also suitable for a small vehicle, and the wind resistance is reduced and the floating condition is prevented by adopting the inclined plane design or opening of the arm plate.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic front perspective view of the present invention;
FIG. 2 is a rear perspective view of the present invention;
FIG. 3 is a schematic view of the first arm plate of the present invention in an upwardly bent state.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
As shown in fig. 1-3, a double-blade wiper arm comprises an arm base 1, wherein the rear end of the arm base 1 is connected with a rotating drive shaft (not shown in the figure), the front end of the arm base 1 is connected with a first arm plate 2 and a second arm plate 3, the front ends of the first arm plate 2 and the second arm plate 3 are respectively connected with a first wiper blade 4 and a second wiper blade 5, and the rear ends of the first arm plate 2 and the second arm plate 3 are hinged with the front end of the arm base 1; the front end of the arm seat 1 is provided with a first spring fixing piece 6, the position of the first arm plate 2 close to the rear end thereof is provided with a second spring fixing piece 7, a first spring 8 is arranged between the first spring fixing piece 6 and the second spring fixing piece 7, the position of the second arm plate 3 close to the rear end thereof is provided with a third spring fixing piece 9, and a second spring 10 is arranged between the first spring fixing piece 6 and the third spring fixing piece 9.
The working principle is as follows:
by adopting the structure, the pressure of the first scraping blade is independently controlled by the first spring, the pressure of the second scraping blade is independently controlled by the second spring, the condition that the pressure of the two scraping blades is controlled by the same spring to cause uneven pressure distribution can not occur, and the scraping and brushing efficiency of each scraping blade is ensured.
A first groove is formed in the lower end face of the front end of the arm seat 1, a second groove is formed in the lower end face of the rear end of the first arm plate 2, and a third groove is formed in the lower end face of the rear end of the second arm plate 3; the front end of the arm seat 1 is integrally positioned in the second groove, the rear end of the second arm plate 3 is integrally positioned in the first groove, and the rest part of the second arm plate 3 is positioned in the second groove; the rivet 11 penetrates through the front end of the arm seat 1, the rear end of the first arm plate 2 and the rear end of the second arm plate 3 to realize the hinge joint of the three. The first spring fixing piece 6 is a pin and is positioned in the first groove, the second spring fixing piece 7 is a perforated plate and is positioned in the second groove together with the first spring 8, and the third spring fixing piece 9 is a pin and is positioned in the third groove together with the second spring 10. Structure more than adopting utilizes first armboard to cover the second armboard completely, has reduced overall dimension, can be applicable to multiple motorcycle type. The second groove can be designed into a half-wrapping structure according to actual requirements, and the second arm plate part is positioned in the second groove, namely the partially-covered arm plate structure.
The first arm plate 2 is provided with five rhombic holes 12 which are arranged at equal intervals, so that the wind resistance of the first arm plate is effectively reduced, and the floating condition of a vehicle in high-speed running is prevented.
According to actual needs, the outer surface of the first arm plate can be designed into an inclined surface, and the effect of reducing wind resistance can be achieved.
According to the double-scraper wiper arm, the pressure of the two scrapers is controlled by the different springs, the pressure distribution is uniform, the wiping efficiency of the scrapers is guaranteed, the whole size is reduced by adopting a partially covered or fully covered arm plate structure, the double-scraper wiper arm is also suitable for a small vehicle, and the wind resistance is reduced and the floating condition is prevented by adopting the inclined plane design or opening of the arm plate.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A dual wiper blade wiper arm, comprising: the arm seat is characterized by comprising an arm seat, wherein the rear end of the arm seat is connected with a rotary driving shaft, the front end of the arm seat is connected with a first arm plate and a second arm plate, the front ends of the first arm plate and the second arm plate are respectively connected with a first scraping piece and a second scraping piece, and the rear ends of the first arm plate and the second arm plate are hinged with the front end of the arm seat;
the front end of arm seat is provided with first spring mounting, the optional position that first armplate is close to its rear end is provided with second spring mounting, be provided with first spring between first spring mounting and the second spring mounting, the optional position that second armplate is close to its rear end is provided with third spring mounting, be provided with the second spring between first spring mounting and the third spring mounting.
2. A dual blade wiper arm as defined in claim 1 wherein: a first groove is formed in the lower end face of the front end of the arm seat, a second groove is formed in the lower end face of the rear end of the first arm plate, and a third groove is formed in the lower end face of the rear end of the second arm plate;
the front end of the arm seat is integrally positioned in the second groove, the rear end of the second arm plate is integrally positioned in the first groove, and the rest part of the second arm plate is positioned in the second groove;
the rivet penetrates through the front end of the arm seat, the rear end of the first arm plate and the rear end of the second arm plate to realize the hinge joint of the front end of the arm seat, the rear end of the first arm plate and the rear end of the second arm plate.
3. A dual blade wiper arm as defined in claim 2 wherein: the first spring fixing piece is located in the first groove, the second spring fixing piece and the first spring are located in the second groove, and the third spring fixing piece and the second spring are located in the third groove.
4. A dual blade wiper arm as defined in claim 3 wherein: the first spring fixing piece and the third spring fixing piece are both pins, and the second spring fixing piece is a perforated plate.
5. A dual blade wiper arm as defined in claim 1 wherein: the first arm plate is provided with a plurality of holes.
6. A dual blade wiper arm according to claim 5, wherein: the openings are rhombic holes which are arranged at equal intervals.
7. A dual blade wiper arm as defined in claim 1 wherein: the outer surface of the first arm plate is provided with an inclined surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210646565.1A CN115071636A (en) | 2022-06-08 | 2022-06-08 | Two doctor-bars windscreen wiper arms |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210646565.1A CN115071636A (en) | 2022-06-08 | 2022-06-08 | Two doctor-bars windscreen wiper arms |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115071636A true CN115071636A (en) | 2022-09-20 |
Family
ID=83251551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210646565.1A Pending CN115071636A (en) | 2022-06-08 | 2022-06-08 | Two doctor-bars windscreen wiper arms |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115071636A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2640212A1 (en) * | 1988-12-09 | 1990-06-15 | Valeo Systemes Dessuyage | Windscreen wiper with a developing wiper element |
| EP0678428A1 (en) * | 1994-04-19 | 1995-10-25 | SMH Management Services AG | Windscreen wiper with two blades attached to a single arm |
| CH689693A5 (en) * | 1994-04-19 | 1999-08-31 | Smh Management Services Ag | Motor vehicle windscreen-wiping device with two wiper blades mounted on single arm |
| CN107472200A (en) * | 2017-08-18 | 2017-12-15 | 北京汽车研究总院有限公司 | A kind of wiper and vehicle |
| CN108583514A (en) * | 2018-07-26 | 2018-09-28 | 瑞安市亚星汽车配件有限公司 | A kind of high ferro wiper system |
| CN217778572U (en) * | 2022-06-08 | 2022-11-11 | 上海技涵电子科技有限公司 | Two doctor-bars windscreen wiper arms |
-
2022
- 2022-06-08 CN CN202210646565.1A patent/CN115071636A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2640212A1 (en) * | 1988-12-09 | 1990-06-15 | Valeo Systemes Dessuyage | Windscreen wiper with a developing wiper element |
| EP0678428A1 (en) * | 1994-04-19 | 1995-10-25 | SMH Management Services AG | Windscreen wiper with two blades attached to a single arm |
| CH689693A5 (en) * | 1994-04-19 | 1999-08-31 | Smh Management Services Ag | Motor vehicle windscreen-wiping device with two wiper blades mounted on single arm |
| CN107472200A (en) * | 2017-08-18 | 2017-12-15 | 北京汽车研究总院有限公司 | A kind of wiper and vehicle |
| CN108583514A (en) * | 2018-07-26 | 2018-09-28 | 瑞安市亚星汽车配件有限公司 | A kind of high ferro wiper system |
| CN217778572U (en) * | 2022-06-08 | 2022-11-11 | 上海技涵电子科技有限公司 | Two doctor-bars windscreen wiper arms |
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| PB01 | Publication | ||
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