CN202491781U - Wiper operation rod and wiper with windshield wiper operation rod - Google Patents
Wiper operation rod and wiper with windshield wiper operation rod Download PDFInfo
- Publication number
- CN202491781U CN202491781U CN2011205641441U CN201120564144U CN202491781U CN 202491781 U CN202491781 U CN 202491781U CN 2011205641441 U CN2011205641441 U CN 2011205641441U CN 201120564144 U CN201120564144 U CN 201120564144U CN 202491781 U CN202491781 U CN 202491781U
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- China
- Prior art keywords
- windscreen wiper
- actuator
- joystick
- wiper
- linear actuator
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Abstract
The utility model relates to a wiper operation rod, which is used in a motor vehicle for driving a wiper arm to drive a wiper blade to perform a swing movement on the windshield of the vehicle, so as to remove water drops or dirt on the surface of the windshield. The wiper operation rod comprises an actuator, the actuator is a linear actuator, and the structure of the linear actuator is a linear motor, an electric screw actuator, a pneumatic actuator or a hydraulic actuator. The requirements of the wiper operation rod on an installation space can be reduced, and the smooth and soft movement process of the wiper arm can be obtained by replacing the traditional rotation motor drive device by the linear actuator. The utility model relates to a wiper with the wiper operation rod.
Description
Technical field
The present invention relates to a kind of windscreen wiper joystick, be used in the self-propelled vehicle, be used to handle the windscreen wiper arm and on the surface of car glass, scrape and sweep motion.In addition, the invention still further relates to a kind of wiper with this windscreen wiper joystick.
Background technology
The windscreen wiper joystick of self-propelled vehicle is used to drive the windscreen wiper arm and on windshield, carries out the rotation campaign, so that remove water droplet or dirt on glass by the windscreen wiper sheet through scraping to sweep off.Current common wiper actuator is generally turning motor; The output shaft of electrical motor is implemented gyroscopic movement or switchable hunting motion; This revolution or hunting motion pass to crank through gear system usually, are converted into the rotation campaign of windscreen wiper arm through connecting rod.Because crank is rotated motion and needs to use gear system, this type windscreen wiper joystick needs bigger structure space or motion space.
Yet, especially in roadlice, between car front portion and front windshield, only have tens centimetres structure space can supply to install the windscreen wiper joystick and use.This structure space will further reduce in future because under the measure-alike situation of outside vehicle in the vehicle space will continue to increase, thereby be difficult to and use the windscreen wiper joystick of turning motor to find suitable installing space.Therefore, will pursue thin as far as possible narrow windscreen wiper joystick and thin as far as possible narrow windscreen wiper electrical motor future, to save installing space.
Linear actuator is disclosed in the prior art, for example linear motor, linear screw electrical motor and air cylinder and hydraulic actuating cylinder etc., but these devices all are not applied in the wiper.
The utility model content
A task of the present invention is, a kind of windscreen wiper joystick is provided, and it only needs relative small construction space and can realize the required oscillating motion of windscreen wiper arm.
According to an aspect of the present invention, propose a kind of windscreen wiper joystick, it is used in the self-propelled vehicle; Thereby be used to drive windscreen wiper arm drive windscreen wiper sheet and on the windscreen of vehicle, carry out the rotation campaign; To strike off water droplet or the dirt on the windshield surface, this windscreen wiper joystick comprises actuator, wherein; This actuator is a linear actuator, and this linear actuator is configured to linear motor, electric screw actuator, pneumatic actuator or hydraulic actuator.
Windscreen wiper joystick according to one aspect of the invention is provided with linear actuator, and the straight-line motion of linear actuator is converted into the rotation campaign of rocking bar, thereby makes windscreen wiper arm and windscreen wiper sheet as in traditional wiper, carrying out its required rotation campaign.
For this linear actuator, can use linear motor, electric screw actuator, perhaps also can use air cylinder or hydraulic actuating cylinder.Especially advantageously, the product " pneumatic muscle (Fluidic Muscle) " that for example uses Festo company is as linear actuator.Said electric screw actuator comprises a rotor shaft, and the side of this rotor shaft in it stretches into the electric screw actuator housings is provided with screw thread.Said these linear actuator have thin narrow structure, especially can save the crank that enforcement rotatablely moves, and this makes, compares with using the windscreen wiper joystick of turning motor in the prior art, and windscreen wiper joystick of the present invention has reduced taking structure space.Can be used for this linear actuator is implemented switching-over control from reverse flow technique well known in the prior art.
Can a hinged connecting rod on this linear actuator, this a connecting rod other end and a windscreen wiper arm are hinged.This windscreen wiper joystick can also be provided with pitman, and this pitman is coupled to each other two windscreen wiper arms.Can drive two synchronous rotations of windscreen wiper arm through an actuator thus.Alternatively, also can be on the push rod of linear actuator hinged two connecting rods, these two connecting rods respectively connect a windscreen wiper arm.Certainly, two linear actuator that intercouple on electric can be set also, they respectively handle a windscreen wiper arm, preferred two windscreen wiper arm counter motions each other.
Through this windscreen wiper joystick that is equipped with linear actuator, can make the motion of windscreen wiper arm soft smooth-going, wherein, the windscreen wiper arm can be mildly comes out and mildly gets into and leave steering position from dead position.In this technical scheme; Half place at windscreen wiper arm stroke; Because actv. rocking bar length (effective lever arm) maximum, go up at rocking bar (windscreen wiper arm) and to produce high torque, and this position is just owing to the aerodynamics condition of Vehicle Speed when higher needs maximum torque.On the contrary, then there is not too high torque at the steering position place of windscreen wiper arm.Under the uniform situation of linear actuator speed, very fast in the velocity of rotation of this steering position place rocking bar, obtain the dynamic movement process of windscreen wiper arm at steering position, thus the inertia of compensation actuator.
Advantageously, this linear actuator is equipped with electronic control package, and this electronic control package is set the terminal location of linear actuator and the motion process of windscreen wiper arm.
In order further to improve linear actuator in the soft property of the motion of terminal location, this linear actuator can be provided with the terminal location shock absorber.
Sweep angle precision in order to reach high scraping by simple position control system, the stroke of linear actuator is about 70-100mm, and is roughly suitable with the stroke of current crank connecting link.Certainly,, then can further reduce actuator stroke, because under the identical situation of angular deviation, can use littler rocking bar length this moment if use more high-precision position control system.
The present invention also proposes a kind of wiper, and this wiper has aforesaid windscreen wiper joystick.
Description of drawings
The block diagram of Fig. 1 windscreen wiper joystick and actuator,
The motion diagram of Fig. 2 windscreen wiper joystick,
Fig. 3 has the transmission scheme drawing of the windscreen wiper joystick of rotary actuator,
Fig. 4 has the transmission scheme drawing of the windscreen wiper joystick of linear actuator,
Fig. 5 has the electric screw actuator of expansion link,
Fig. 6 has the linear motor of expansion link,
A kind of compressed-air controlled linear actuator of Fig. 7.
The specific embodiment
Fig. 1 to 3 illustrates wiper of the prior art.
Windscreen wiper actuator shown in Figure 1 has traditional windscreen wiper electrical motor and crankgear, and wherein, the motor drives crank is rotated motion, drives the windscreen wiper arm through crank and connecting rod and implements hunting motion.
Fig. 2 illustrates another kind of windscreen wiper control lever movement line chart of the prior art, has wherein adopted reverse flow technique, and crank only carries out hunting motion in an angular range, and this hunting motion is converted into the swing of windscreen wiper arm by connecting rod.
Fig. 3 is the transmission scheme drawing that has traditional windscreen wiper joystick of rotary actuator of the prior art.The windscreen wiper joystick comprises crank 1, connecting rod 2 and rocking bar 3,4 and pitman 5, and rocking bar 3,4 is respectively component part driver side and the unshowned windscreen wiper arm copilot side.Crank 1 is connected with the output shaft of turning motor through gear system, and arrow carries out gyroscopic movement in the direct motor drive lower edge.Connecting rod 2 is converted into the hunting motion of rocking bar 3 around its oneself swivel point with this gyroscopic movement.Simultaneously, rocking bar 3 carries out synchronous hunting motion through pitman 5 drive rocking bars 4.Hunting motion through rocking bar 3 and 4 realizes that the windscreen wiper arm rocks from side to side, and scrapes and sweeps glass surface on Windshield.
Different therewith, Fig. 4 illustrates the transmission scheme drawing of windscreen wiper joystick of the present invention.In this windscreen wiper joystick, replace traditional turning motor and crank 1, adopted linear actuator 10.Linear actuator 10 has push rod 100, these push rod 100 output straight reciprocating motions.A hinged connecting rod 2 on the outwardly directed end of push rod 100, the other end of connecting rod 2 and rocking bar 3 are hinged, thereby give rocking bar 3 with the linear telescopic Motion Transmission of push rod 100, make rocking bar 3 carry out hunting motion with the same in the prior art around its swivel point.
In the accompanying drawing illustrated embodiment, the rocking bar 4 that pitman 5 drives another windscreen wiper arm carries out synchronous hunting motion, constitutes the so-called pair of synchronous windscreen wiper system of bar that is driven by same actuator.
Alternatively, also can be on the outwardly directed part of push rod 100 hinged two connecting rods, these two connecting rods are hinged with the rocking bar with the windscreen wiper arm copilot side driver side respectively at its other end, can save pitman 5 thus.
Certainly, two linear actuator 10 can be set also, these two linear actuator drive driver side and the windscreen wiper arm copilot side respectively, constitute two windscreen wiper systems that drive.Through electronic control package two actuators are intercoupled in this case, realize the synchronized movement of two windscreen wiper arms.In these preferred two windscreen wiper arm counter motions each other.
Fig. 5 illustrates a kind of illustrative embodiments of linear actuator 10, and promptly the electric screw actuator 11.Electric screw actuator 11 has similar structure with turning motor; Its push rod 101 is equally constructed as motor rotor shaft; Different is, is configured with screw thread stretching on the side in this actuator housings of push rod 101, in the inside or the outer setting of this housing fixed nut is arranged.When electric screw actuator 11 was applied electric current, push rod 101 also carried out straight-line motion under the combined action of push rod screw thread and nut when generation rotatablely moves.Push rod 101 is for example hinged through universal-joint and connecting rod 2 on its outwardly directed end, to export its straight-line motion.
Fig. 6 illustrates the another kind of illustrative embodiments of linear actuator 10.This linear actuator is configured to linear motor 12.Linear motor 12 inside have permanent magnet.When this electrical motor was applied in electric current, the mover that have the copper winding, is configured to push rod 102 produced straight-line motion.Push rod 102 is hinged with connecting rod 2 on overhanging end.
Fig. 7 illustrates the linear actuator of another kind of form, here is pneumatic actuator, for example " pneumatic muscle " 13 of Festo company.When in pneumatic muscle 13, being full of air, its enlarged-diameter, length reduce, thus linear movement output.The motion process of pneumatic muscle is similar with human motion on action, speed and intensity and on sensitivity, can realize the soft motion of wiper.And pneumatic muscle is sturdy and durable, can in dust and dirty environment, use.
Claims (10)
1. windscreen wiper joystick; Be used in the self-propelled vehicle, on the windscreen of vehicle, carry out the rotation campaign thereby be used to drive windscreen wiper arm drive windscreen wiper sheet, to strike off water droplet or the dirt on the windshield surface; This windscreen wiper joystick comprises actuator; It is characterized in that this actuator is a linear actuator, this linear actuator is configured to linear motor, electric screw actuator, pneumatic actuator or hydraulic actuator.
2. windscreen wiper joystick as claimed in claim 1 is characterized in that, said pneumatic actuator is an air cylinder.
3. windscreen wiper joystick as claimed in claim 1 is characterized in that, said hydraulic actuator is a hydraulic actuating cylinder.
4. windscreen wiper joystick as claimed in claim 1 is characterized in that, said pneumatic actuator is a pneumatic muscle.
5. windscreen wiper joystick as claimed in claim 1 is characterized in that, said electric screw actuator comprises a rotor shaft, and its part that stretches in the electric screw actuator housings of this rotor shaft is provided with screw thread.
6. windscreen wiper joystick as claimed in claim 1 is characterized in that, a hinged connecting rod on said linear actuator, and this connecting rod other end and windscreen wiper arm are hinged.
7. windscreen wiper joystick as claimed in claim 1 is characterized in that this linear actuator is equipped with electronic control package, and this electronic control package is set the terminal location of linear actuator and the motion process of windscreen wiper arm.
8. windscreen wiper joystick as claimed in claim 1 is characterized in that this linear actuator is provided with the terminal location shock absorber.
9. windscreen wiper joystick as claimed in claim 1 is characterized in that, the stroke of this linear actuator is 70-100mm.
10. wiper is characterized in that, this wiper has like the described windscreen wiper joystick of one of above-mentioned claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205641441U CN202491781U (en) | 2011-12-29 | 2011-12-29 | Wiper operation rod and wiper with windshield wiper operation rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205641441U CN202491781U (en) | 2011-12-29 | 2011-12-29 | Wiper operation rod and wiper with windshield wiper operation rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202491781U true CN202491781U (en) | 2012-10-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205641441U Expired - Lifetime CN202491781U (en) | 2011-12-29 | 2011-12-29 | Wiper operation rod and wiper with windshield wiper operation rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202491781U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103847698A (en) * | 2012-11-30 | 2014-06-11 | 博世汽车部件(长沙)有限公司 | Dual-ball assembly and windscreen wiper system comprising same |
| CN107618481A (en) * | 2017-09-30 | 2018-01-23 | 北京新能源汽车股份有限公司 | Wiper assembly and car |
-
2011
- 2011-12-29 CN CN2011205641441U patent/CN202491781U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103847698A (en) * | 2012-11-30 | 2014-06-11 | 博世汽车部件(长沙)有限公司 | Dual-ball assembly and windscreen wiper system comprising same |
| CN103847698B (en) * | 2012-11-30 | 2016-12-21 | 博世汽车部件(长沙)有限公司 | Double bulb assemblies and include the wiper system of double bulb assembly |
| CN107618481A (en) * | 2017-09-30 | 2018-01-23 | 北京新能源汽车股份有限公司 | Wiper assembly and car |
| CN107618481B (en) * | 2017-09-30 | 2020-06-19 | 北京新能源汽车股份有限公司 | Wiper assembly and car |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121017 |