CN110979262A - Wiper double-spring pressure adjusting device - Google Patents
Wiper double-spring pressure adjusting device Download PDFInfo
- Publication number
- CN110979262A CN110979262A CN201911116940.6A CN201911116940A CN110979262A CN 110979262 A CN110979262 A CN 110979262A CN 201911116940 A CN201911116940 A CN 201911116940A CN 110979262 A CN110979262 A CN 110979262A
- Authority
- CN
- China
- Prior art keywords
- block
- spring
- adjusting block
- pressure adjusting
- support arm
- Prior art date
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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
- B60S1/3411—Wiper arms; Mountings therefor with means for varying wiper-blade pressure on windshield during operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
- B64C1/14—Windows; Doors; Hatch covers or access panels; Surrounding frame structures; Canopies; Windscreens accessories therefor, e.g. pressure sensors, water deflectors, hinges, seals, handles, latches, windscreen wipers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Springs (AREA)
Abstract
The invention relates to a wiper double-spring pressure adjusting device, belonging to an aviation wiper device, comprising a wiper rod, a support arm, a swinging block, a first pressure adjusting screw, a second pressure adjusting screw, a first small shaft, a second small shaft, a first adjusting block, a second adjusting block, a first spring and a second spring; the large end of the support arm is arranged at one end of the swinging block through a rivet, and the small end of the support arm is fixed at the bottom end of the wiper rod through riveting; a first adjusting block and a second adjusting block are arranged in the cavity of the support arm, one end of the first spring and one end of the second spring are connected with one end of the swinging block, and the other end of the first spring and one side arm of the second spring are connected with the first adjusting block and one side arm of the second adjusting block; the other side arms of the first adjusting block and the second adjusting block are pressed by screwing the first pressure adjusting screw and the second pressure adjusting screw at the top end of the support arm, so that the first spring and the second spring are stretched, and the pulling force of the first spring 14 and the second spring 13 is converted into the pressure of the wiper rod on the wiper.
Description
Technical Field
The invention belongs to the field of aviation windshield wiper devices, and particularly relates to a double-spring pressure adjusting device for a windshield wiper.
Background
At present, in the development process of an airplane, the influence of air resistance on the aerodynamic force of the airplane is reduced, the curvature of a windshield glass of the airplane is closer to the curvature change of an airplane skin structure, the curvature change is larger, namely the original plane glass is changed into double-curvature glass, meanwhile, in order to provide a better visual field for a pilot, the appearance of the glass is also increased, and the adjusting modes of the aviation windshield wiper at the present stage are two, one mode is plate spring pressure adjustment, and the other mode is tension spring pressure adjustment, wherein a windshield wiper product pressure adjusting device is described in application No. 201521020002.3 and shown in the following figure, the aircraft windshield wiper product pressure adjusting device is suitable for being used in a wiping area, the curvature change of the glass is small, and when the curvature change is large, the plate spring pressure adjusting device cannot provide a required pressure value in the wiping area; although the adoption of the extension spring can be realized, the installation and the part processing precision must be strictly controlled, so that the problems that the installation precision of the windshield wiper is strictly controlled and the part processing cost is increased exist, and meanwhile, the problem that the wiping effect of the windshield wiper is reduced because the pressure change caused by the permanent deformation generated by the extension spring in the service life of the windshield wiper does not have an adjustment link exists, and the newly proposed 'single-spring pressure adjusting device for the windshield wiper' has a small adjusting pressure value and does not meet the requirement of a conveyor on the pressure of the windshield wiper.
At present, aviation windshield wiper is different from car windshield wiper, and the installation space is complicated to lead to the installation error to add up great, and cargo airplane flying speed is big simultaneously, requires that the brush pressure of windshield wiper is big, can make the increase of windshield wiper pressure control range through the design of this device, and compact structure is little simultaneously to aircraft aerodynamic influence, and the influence of driver's field of vision is little. And the pressure that is used for solving reinforcing windshield wiper blade among the prior art needs to adjust the intensity of spring, if the diameter of thickening spring steel wire or spring major diameter, influences the appearance and the weight of whole windshield wiper.
Disclosure of Invention
The technical problem to be solved is as follows:
in order to avoid the defects of the prior art, the invention provides a double-spring pressure adjusting device for a windshield wiper, wherein 2 springs are arranged between a windshield wiper swinging block and a windshield wiper rod for simultaneous adjustment, 2 threaded sleeves are welded on the windshield wiper rod and are in screwed connection with 2 pressure adjusting screws through threads, the springs are elongated by utilizing the lever principle under the action of the pressure adjusting screws through 2 adjusting blocks on the windshield wiper rod, and the tension of the 2 springs is converted into the pressure of the windshield wiper rod on the windshield wiper.
The technical scheme of the invention is as follows: a wiper double-spring pressure adjusting device comprises a wiper rod and a support arm, wherein the wiper rod is arranged at the small end of the support arm; the method is characterized in that: the device also comprises a swinging block, a first pressure adjusting screw, a second pressure adjusting screw, a first small shaft, a second small shaft, a first adjusting block, a second adjusting block, a first spring and a second spring;
the swinging block is of a block-shaped structure with parallel upper and lower surfaces, and the upper surface of one end of the swinging block is provided with a round through hole for mounting a windshield wiper rotating shaft; the upper surface of the other end is provided with a boss, the side wall of the boss is provided with a through hole vertical to the axial direction of the round through hole, and the boss is connected with the big end of the support arm through a rivet; the swinging block is provided with one end of a boss, the lower part of the side wall parallel to the axial direction of the through hole is vertically provided with two lugs parallel to each other, and the two lugs are parallel to the side wall of the swinging block provided with the through hole; two through holes are formed in the two lugs along the length direction and are respectively connected with one ends of the first spring and the second spring through pin shafts;
the supporting arm is of an inverted U-shaped structure with a closed top and an open bottom, two ends of the supporting arm are open, and the depth in the U shape gradually increases from one end to the other end along the length direction of the supporting arm; the top of the support arm is arranged near the top end of the swing block boss, and the bottom of the support arm faces to the lug of the swing block;
the first adjusting block and the second adjusting block respectively extend out of a swing arm from the center to two sides, through holes are formed in the centers of the first adjusting block and the second adjusting block and are respectively installed on the wall of the inner cavity of the support arm through a first small shaft and a second small shaft, and the first small shaft and the second small shaft are arranged along the length direction of the support arm, so that the first adjusting block and the second adjusting block can respectively rotate around the first small shaft and the second small shaft in the cavity of the support arm; the other ends of the first spring and the second spring are respectively connected with a swing arm of the first adjusting block and a swing arm of the second adjusting block through rivets; the first pressure adjusting screw and the second pressure adjusting screw respectively penetrate through holes formed in the tops of the support arms, and the axial positions of the first pressure adjusting screw and the second pressure adjusting screw are adjusted in a rotating mode to press the other swing arm of the first adjusting block and the other swing arm of the second adjusting block; and the first pressure adjusting screw and the second pressure adjusting screw are both screwed and fixed through nuts.
The further technical scheme of the invention is as follows: the first adjusting block and the second adjusting block are approximately S-shaped, grooves are formed in the other swing arm of the first adjusting block and the other swing arm of the second adjusting block, and the bottoms of the first pressure adjusting screw and the second pressure adjusting screw are in contact with the bottom surface of the groove.
The further technical scheme of the invention is as follows: and a first threaded sleeve and a second threaded sleeve are coaxially fixed in the two through holes arranged at the top of the support arm and are used for coaxially screwing the first pressure adjusting screw and the second pressure adjusting screw.
The further technical scheme of the invention is as follows: a through groove is axially formed in the center of the end head of the swing block at one end provided with the round through hole and is communicated with the round through hole; and clamping two side walls of the through groove by adopting a clamping screw.
Advantageous effects
The invention has the beneficial effects that: the invention solves the problem that the plate spring pressure adjusting device can not provide required pressure value in the scraping and brushing area when the curvature change of the windshield glass is large; the tension spring is adopted, and the problem of adjustment of pressure change caused by permanent deformation of the tension spring in the service life cycle of the windshield wiper is solved; the single spring pressure adjusting device for the windshield wiper can not meet the requirement of the conveyor on the pressure of the windshield wiper. The spring structure is adopted, and the pressure of the spring structure is increased to a preset value under the condition of not influencing the appearance and the weight.
Drawings
Fig. 1 is a partial view of a related art wiper device.
Fig. 2 is a schematic view of a wiper dual-spring pressure adjustment device according to the present invention.
FIG. 3 is a schematic diagram of a wobble block of the present invention.
FIG. 4 is a schematic diagram of a first adjusting block according to the present invention.
FIG. 5 is a three-dimensional schematic view of a first adjusting block according to the present invention.
FIG. 6 is a three-dimensional schematic view of a second adjusting block according to the present invention.
Fig. 7 is a schematic view of a wiper blade of the present invention.
FIG. 8 is a three-dimensional schematic diagram of a wobble block of the present invention.
Description of reference numerals: 1. a clamping screw; 2. a swing block mounting hole; 3. a swing block; 4. riveting; 5. a support arm; 6. a nut; 7. a first pressure adjustment screw; 8. a first threaded sleeve; 9. welding; 10. a first small shaft; 11. a first adjusting block; 12. a second adjusting block; 13. a second spring; 14. a first spring; 15. a pin shaft; 16. a wiper lever; 17. a second pressure adjustment screw; 18. a second thread insert; 19. a second minor axis.
Detailed Description
The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Referring to fig. 2, the wiper double-spring pressure adjusting device of the present invention includes a clamping screw 1, a wiper rotating shaft mounting hole 2, a swing block 3, a rivet 4, a support arm 5, a nut 6, a first pressure adjusting screw 7, a first threaded sleeve 8, a weld 9, a first small shaft 10, a first adjusting block 11, a second adjusting block 12, a second spring 13, a first spring 14, a pin 15, a wiper rod 16, a second pressure adjusting screw 17, a second threaded sleeve 18, and a second small shaft 19.
Referring to fig. 8, the swing block 3 is an irregular block structure, the upper and lower surfaces of the swing block 3 are parallel, and the upper surface of one end of the swing block is provided with a circular through hole for installing a wiper rotating shaft; the upper surface of the other end is provided with a boss, the side wall of the boss is provided with a through hole vertical to the axial direction of the round through hole, and the boss is connected with the big end of the support arm 5 through a rivet 4; the swinging block 3 is provided with one end of a boss, the lower part of the side wall parallel to the axial direction of the through hole is vertically provided with two lugs parallel to each other, and the two lugs are parallel to the side wall of the swinging block 3 provided with the through hole; two through holes are formed in the two lugs along the length direction and are respectively connected with one ends of the first spring 14 and the second spring 13 through pin shafts 15;
a through groove is axially formed in the center of the end head of one end of the swinging block 3 along the circular through hole, and the through groove is communicated with the circular through hole so as to facilitate installation of a wiper rotating shaft; and clamping two side walls of the through groove by using a clamping screw 1.
Referring to fig. 7, the support arm 5 is an inverted U-shaped structure with a closed top and an open bottom, both ends of the support arm are open, and the depth in the U-shape gradually increases from one end to the other end along the length direction of the support arm 5; the top of the support arm 5 is arranged at the top end of the boss close to the swing block 3, and the bottom of the support arm faces to the lug of the swing block 3; the end with small depth of the support arm is in a shape of a nearly cylinder and is coaxially fixed with the bottom end of the wiper rod through a rivet, and through holes are formed in the two side walls of the end with large depth at opposite positions and are coaxial with the through holes of the swinging block 3 and coaxially arranged on the two sides of the swinging block 3 through rivets 4; a first threaded sleeve 8 and a second threaded sleeve 18 are coaxially fixed in two through holes arranged at the top of the support arm 5 and are used for coaxially screwing the first pressure adjusting screw 7 and the second pressure adjusting screw 17.
Referring to fig. 4-6, the first adjusting block 11 and the second adjusting block 12 are approximately S-shaped, the first adjusting block 11 and the second adjusting block 12 respectively extend out of a swing arm from the center to both sides, a through hole is formed in the center of the swing arm and is respectively mounted on the inner cavity wall of the support arm 5 through a first small shaft 10 and a second small shaft 19, and the first small shaft 10 and the second small shaft 19 are arranged along the length direction of the support arm 5, so that the first adjusting block 11 and the second adjusting block 12 can respectively rotate around the first small shaft 10 and the second small shaft 19 in the cavity of the support arm 5; the other ends of the first spring 14 and the second spring 13 are respectively connected with a swing arm of the first adjusting block 11 and a swing arm of the second adjusting block 12 through rivets; the first pressure adjusting screw 7 and the second pressure adjusting screw 17 respectively penetrate through a first threaded sleeve 8 and a second threaded sleeve 18 which are arranged on the support arm 5, and the axial positions of the first pressure adjusting screw and the second pressure adjusting screw are adjusted through rotation to press the other swing arm of the first adjusting block 11 and the other swing arm of the second adjusting block 12; the first pressure adjusting screw 7 and the second pressure adjusting screw 17 are both screwed and fixed through the nut 6.
And the other swing arm of the first adjusting block 11 and the other swing arm of the second adjusting block 12 are both provided with a groove, and the bottoms of the first pressure adjusting screw 7 and the second pressure adjusting screw 17 are in contact with the bottom surface of the groove.
The second spring 13 is an extension spring, and the two hook shapes are mutually perpendicular. One side of the adjusting block is connected with the pin shaft 15, and the other side of the adjusting block is connected with the second adjusting block 12;
the first spring 14 and the second spring 13 have the same structure and function;
the invention relates to a wiper double-spring pressure adjusting device.A clamping screw 1, a rivet 4 and a pin shaft 15 are arranged on a swinging block 3; the support arm 5 and the swing block rotate around the rivet 4, the first adjusting block 11 and the second adjusting block 12 rotate around the first small shaft 10 and the second small shaft 19 in a cavity of the support arm 5, the pressure adjusting screw 7 is in threaded screwing connection with the threaded sleeve 8, the pressure adjusting screw 17 is in threaded screwing connection with the threaded sleeve 18, one side arm of the first adjusting block 11 and one side arm of the second adjusting block 12 are pressed through the screwing screw, so that the other side arm of the first adjusting block 11 and the second adjusting block 12 stretches the first spring 14 and the second spring 13, finally, the tensile force of the first spring 14 and the second spring 13 is converted into the pressure of the wiper rod on the wiper, and the pressure adjusting screw is locked by the nut 6 after the pressure adjustment is finished.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.
Claims (4)
1. A wiper double-spring pressure adjusting device comprises a wiper rod and a support arm, wherein the wiper rod is arranged at the small end of the support arm; the method is characterized in that: the device also comprises a swinging block, a first pressure adjusting screw, a second pressure adjusting screw, a first small shaft, a second small shaft, a first adjusting block, a second adjusting block, a first spring and a second spring;
the swinging block is of a block-shaped structure with parallel upper and lower surfaces, and the upper surface of one end of the swinging block is provided with a round through hole for mounting a windshield wiper rotating shaft; the upper surface of the other end is provided with a boss, the side wall of the boss is provided with a through hole vertical to the axial direction of the round through hole, and the boss is connected with the big end of the support arm through a rivet; the swinging block is provided with one end of a boss, the lower part of the side wall parallel to the axial direction of the through hole is vertically provided with two lugs parallel to each other, and the two lugs are parallel to the side wall of the swinging block provided with the through hole; two through holes are formed in the two lugs along the length direction and are respectively connected with one ends of the first spring and the second spring through pin shafts;
the supporting arm is of an inverted U-shaped structure with a closed top and an open bottom, two ends of the supporting arm are open, and the depth in the U shape gradually increases from one end to the other end along the length direction of the supporting arm; the top of the support arm is arranged near the top end of the swing block boss, and the bottom of the support arm faces to the lug of the swing block;
the first adjusting block and the second adjusting block respectively extend out of a swing arm from the center to two sides, through holes are formed in the centers of the first adjusting block and the second adjusting block and are respectively installed on the wall of the inner cavity of the support arm through a first small shaft and a second small shaft, and the first small shaft and the second small shaft are arranged along the length direction of the support arm, so that the first adjusting block and the second adjusting block can respectively rotate around the first small shaft and the second small shaft in the cavity of the support arm; the other ends of the first spring and the second spring are respectively connected with a swing arm of the first adjusting block and a swing arm of the second adjusting block through rivets; the first pressure adjusting screw and the second pressure adjusting screw respectively penetrate through holes formed in the tops of the support arms, and the axial positions of the first pressure adjusting screw and the second pressure adjusting screw are adjusted in a rotating mode to press the other swing arm of the first adjusting block and the other swing arm of the second adjusting block; and the first pressure adjusting screw and the second pressure adjusting screw are both screwed and fixed through nuts.
2. The wiper dual spring pressure adjustment device as set forth in claim 1, wherein: the first adjusting block and the second adjusting block are approximately S-shaped, grooves are formed in the other swing arm of the first adjusting block and the other swing arm of the second adjusting block, and the bottoms of the first pressure adjusting screw and the second pressure adjusting screw are in contact with the bottom surface of the groove.
3. The wiper dual spring pressure adjustment device as set forth in claim 1, wherein: and a first threaded sleeve and a second threaded sleeve are coaxially fixed in the two through holes arranged at the top of the support arm and are used for coaxially screwing the first pressure adjusting screw and the second pressure adjusting screw.
4. The wiper dual spring pressure adjustment device as set forth in claim 1, wherein: a through groove is axially formed in the center of the end head of the swing block at one end provided with the round through hole and is communicated with the round through hole; and clamping two side walls of the through groove by adopting a clamping screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911116940.6A CN110979262A (en) | 2019-11-15 | 2019-11-15 | Wiper double-spring pressure adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911116940.6A CN110979262A (en) | 2019-11-15 | 2019-11-15 | Wiper double-spring pressure adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110979262A true CN110979262A (en) | 2020-04-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911116940.6A Pending CN110979262A (en) | 2019-11-15 | 2019-11-15 | Wiper double-spring pressure adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110979262A (en) |
Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1076308A (en) * | 1976-11-10 | 1980-04-29 | Anderson Company Of Indiana (The) | Windshield wiper arm to drive shaft latch assembly |
| JPS57160748A (en) * | 1981-03-30 | 1982-10-04 | Honda Motor Co Ltd | Wiper device |
| DE3428710A1 (en) * | 1984-08-03 | 1986-02-13 | SWF Auto-Electric GmbH, 7120 Bietigheim-Bissingen | Windscreen washer system for motor vehicles |
| DE3837193A1 (en) * | 1988-11-02 | 1990-05-03 | Swf Auto Electric Gmbh | Wiper arm |
| JPH0880814A (en) * | 1994-09-14 | 1996-03-26 | Suzuki Motor Corp | Arm pressure variable wiper |
| ATE138021T1 (en) * | 1991-06-18 | 1996-06-15 | Stefan Battlogg | WINDSHIELD WIPER SYSTEM |
| US5822827A (en) * | 1997-02-20 | 1998-10-20 | Itt Automotive Electrical Inc. | Variable pressure windshield wiper system |
| CN102837674A (en) * | 2012-08-28 | 2012-12-26 | 天津博信汽车零部件有限公司 | Windscreen wiper |
| CN203142627U (en) * | 2013-03-01 | 2013-08-21 | 李明权 | Wiper brush supporting device |
| CN203902487U (en) * | 2014-06-08 | 2014-10-29 | 宁波市镇海阳光交通器材有限公司 | Pressure adjustable windshield wiper |
| CN104149743A (en) * | 2013-05-14 | 2014-11-19 | Kcw株式会社 | Connecting structure of wiper arm |
| CN204415343U (en) * | 2015-01-16 | 2015-06-24 | 重庆电子工程职业学院 | A kind of efficient wiper |
| CN205311555U (en) * | 2015-12-09 | 2016-06-15 | 西安庆安电气控制有限责任公司 | Windshield wiper product pressure adjustment assembly |
| CN106347305A (en) * | 2016-10-27 | 2017-01-25 | 奇瑞汽车股份有限公司 | Windscreen wiper with automatic adjustment of wiping-arm pressing force |
| CN206416972U (en) * | 2016-12-19 | 2017-08-18 | 华晨汽车集团控股有限公司 | A kind of pressure adjustable rain brush scrapes arm assembly |
| CN206456546U (en) * | 2016-12-15 | 2017-09-01 | 西安庆安电气控制有限责任公司 | Time neutral governor motion of rocking arm sectional wheel |
| CN107499283A (en) * | 2017-07-13 | 2017-12-22 | 中国航空工业集团公司西安飞机设计研究所 | A kind of frontal windshield rain brush pretightning force dynamic adjustment mechanism |
| CN107640128A (en) * | 2017-09-05 | 2018-01-30 | 重庆光盈科技有限公司 | One kind dismantles easily rain brush |
| CN108045551A (en) * | 2017-11-22 | 2018-05-18 | 西安庆安电气控制有限责任公司 | A kind of rain brush resetting apparatus |
-
2019
- 2019-11-15 CN CN201911116940.6A patent/CN110979262A/en active Pending
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1076308A (en) * | 1976-11-10 | 1980-04-29 | Anderson Company Of Indiana (The) | Windshield wiper arm to drive shaft latch assembly |
| JPS57160748A (en) * | 1981-03-30 | 1982-10-04 | Honda Motor Co Ltd | Wiper device |
| DE3428710A1 (en) * | 1984-08-03 | 1986-02-13 | SWF Auto-Electric GmbH, 7120 Bietigheim-Bissingen | Windscreen washer system for motor vehicles |
| DE3837193A1 (en) * | 1988-11-02 | 1990-05-03 | Swf Auto Electric Gmbh | Wiper arm |
| ATE138021T1 (en) * | 1991-06-18 | 1996-06-15 | Stefan Battlogg | WINDSHIELD WIPER SYSTEM |
| JPH0880814A (en) * | 1994-09-14 | 1996-03-26 | Suzuki Motor Corp | Arm pressure variable wiper |
| US5822827A (en) * | 1997-02-20 | 1998-10-20 | Itt Automotive Electrical Inc. | Variable pressure windshield wiper system |
| CN102837674A (en) * | 2012-08-28 | 2012-12-26 | 天津博信汽车零部件有限公司 | Windscreen wiper |
| CN203142627U (en) * | 2013-03-01 | 2013-08-21 | 李明权 | Wiper brush supporting device |
| CN104149743A (en) * | 2013-05-14 | 2014-11-19 | Kcw株式会社 | Connecting structure of wiper arm |
| CN203902487U (en) * | 2014-06-08 | 2014-10-29 | 宁波市镇海阳光交通器材有限公司 | Pressure adjustable windshield wiper |
| CN204415343U (en) * | 2015-01-16 | 2015-06-24 | 重庆电子工程职业学院 | A kind of efficient wiper |
| CN205311555U (en) * | 2015-12-09 | 2016-06-15 | 西安庆安电气控制有限责任公司 | Windshield wiper product pressure adjustment assembly |
| CN106347305A (en) * | 2016-10-27 | 2017-01-25 | 奇瑞汽车股份有限公司 | Windscreen wiper with automatic adjustment of wiping-arm pressing force |
| CN206456546U (en) * | 2016-12-15 | 2017-09-01 | 西安庆安电气控制有限责任公司 | Time neutral governor motion of rocking arm sectional wheel |
| CN206416972U (en) * | 2016-12-19 | 2017-08-18 | 华晨汽车集团控股有限公司 | A kind of pressure adjustable rain brush scrapes arm assembly |
| CN107499283A (en) * | 2017-07-13 | 2017-12-22 | 中国航空工业集团公司西安飞机设计研究所 | A kind of frontal windshield rain brush pretightning force dynamic adjustment mechanism |
| CN107640128A (en) * | 2017-09-05 | 2018-01-30 | 重庆光盈科技有限公司 | One kind dismantles easily rain brush |
| CN108045551A (en) * | 2017-11-22 | 2018-05-18 | 西安庆安电气控制有限责任公司 | A kind of rain brush resetting apparatus |
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Application publication date: 20200410 |