CN113548012A

CN113548012A - Driving device of window wiper

Info

Publication number: CN113548012A
Application number: CN202010331007.7A
Authority: CN
Inventors: 李英华; 安晓娜; 张心悦; 詹皓予; 张洲; 魏忠灵; 刘赞; 余佳焕; 周永祥; 谭聪
Original assignee: Zhuzhou Huanji Electric Co ltd
Current assignee: Zhuzhou Huanji Electric Co ltd
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2021-10-26

Abstract

A driving device of a window wiper comprises a driving seat, a crank, a connecting rod, a bracket, a swing shaft, a shaft sleeve, a swing rod and a turbine motor; a turbine motor is fixedly installed on the driving seat, the turbine motor is connected with a connecting rod through a crank, the connecting rod is connected with a swing shaft, the swing shaft is connected with another swing shaft through a bracket, the swing shaft is connected with a swing rod sleeved in a shaft sleeve, and the turbine motor is connected with a wiper system control box; the turbine motor comprises a motor, a turbine shaft, a turbine seat, a gear disc and an output shaft; the motor is connected with a turbine shaft, rolling bearings are arranged at two ends of the turbine shaft, the lower end of the turbine shaft is connected with a gear disc arranged in a turbine seat, and the center of the gear disc is connected with an output shaft. The invention is convenient to install, has good stability and long service life.

Description

Driving device of window wiper

Technical Field

The invention relates to the technical field of rain wiping of motor train units, in particular to a driving device of a rain wiper.

Background

As is well known, the wiper blade includes a motor, a decelerator, a four-bar linkage, a wiper arm spindle, a wiper blade, and the like. When a driver presses down a switch of the windscreen wiper, the motor is started, the rotating speed of the motor drives the swing arm through the speed reduction and torque increase effects of the worm gear and the worm, the swing arm drives the four-bar mechanism, the four-bar mechanism drives the rotating shaft arranged on the front wall plate to swing left and right, and finally the rotating shaft drives the wiper blade to wipe the windscreen.

In recent years, with the support and investment of national policies, domestic rail vehicles show a well-spraying development trend, the trend of modular, standardized and serialized development of parts of rail vehicles is more and more obvious, and the rain wipers of rail vehicles are no exception. The wiper of current rail vehicle generally uses the motor to drive the doctor-bar as the power supply and scrapes the brush to glass, and the wiper has the three different frequency's in high frequency, low frequency, clearance repeated oscillation to scrape the brush, and motor speed, stationarity have serious influence to its life-span and reliability, and then lead to the normal use that can not of wiper, bring the potential safety hazard for rail vehicle's normal driving.

Therefore, to improve the smoothness and the service life of the wiper, the smoothness and the service life of the driving device need to be improved.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide a driving device of a window wiper, which is convenient to install, good in stability and long in service life.

The technical scheme adopted by the invention for solving the technical problems is as follows: a driving device of a window wiper comprises a driving seat, a crank, a connecting rod, a bracket, a swing shaft, a shaft sleeve, a swing rod and a turbine motor; the driving seat is fixedly provided with a turbine motor, the turbine motor is connected with a connecting rod through a crank, the connecting rod is connected with a swing shaft, the swing shaft is connected with another swing shaft through a bracket, the swing shaft is connected with a swing rod sleeved in a shaft sleeve, and the turbine motor is connected with a wiper system control box;

the turbine motor comprises a motor, a turbine shaft, a turbine seat, a gear disc and an output shaft; the motor is connected with a turbine shaft, rolling bearings are arranged at two ends of the turbine shaft, the lower end of the turbine shaft is connected with a gear disc arranged in a turbine seat, and the center of the gear disc is connected with an output shaft.

Furthermore, the driving seat is of a 7-shaped structure, a reinforcing rib structure is arranged on the driving seat, and the driving seat is provided with a plurality of mounting holes.

Furthermore, bearings are arranged at two ends of the crank, and two ends of the support are connected with the swing shaft through the bearings.

Furthermore, be provided with the oil filler point on the axle sleeve, the both ends of axle sleeve are provided with lip skeleton oil blanket circle.

Further, compound lubricating grease is filled in the oil filling hole.

Furthermore, the shaft sleeve is provided with a notch with a rotation angle range, so that the swing shaft can be effectively prevented from coming off when power fails or no traction force exists; the shell of the turbine seat is provided with an anti-corrosion coating.

Further, an inner snap ring and an outer snap ring are respectively arranged on the inner side and the outer side of the rolling bearing.

Further, the diameter of the turbine shaft 32 is phi 12, the taper of the shaft end is 1:3, and the knurled straight grains m are 0.3; the diameter of the motor is phi 76 +/-3 mm, and the total length of the motor is 210 +/-3 mm.

The invention has the advantages of convenient installation, good stability and long service life; the compound lubricating grease is filled in the oil hole, so that the wiper can play a role in lubricating a transmission shaft in operation and prevent water seepage.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the turbine motor of the present invention;

fig. 3 is a schematic structural view of the turbo motor of the present invention.

In the drawings: 21. the device comprises a driving seat, 22, a crank, 221, a connecting rod, 222, a bracket, 231, a swing shaft, 232, a shaft sleeve, 233, a swing rod, 3, a turbine motor, 31, a motor, 32, a turbine shaft, 321, a rolling bearing, 322, an inner snap ring, 323, an outer snap ring, 33, a turbine seat, 331, a gear disc, 332 and an output shaft.

Detailed Description

The following examples are given to further illustrate the embodiments of the present invention:

as shown in fig. 1, an embodiment of a driving apparatus of a window wiper includes a driving base 21, a crank 22, a connecting rod 221, a bracket 222, a swing shaft 231, a bushing 232, a swing link 233, and a turbine motor 3; the driving seat 21 is fixedly provided with a turbine motor 3, the turbine motor 3 is connected with a connecting rod 221 through a crank 22, the connecting rod 221 is connected with a swing shaft 231, the swing shaft 231 is connected with another swing shaft 231 through a bracket 222, the swing shaft 231 is connected with a swing rod 233 sleeved in a shaft sleeve 232, and the turbine motor 3 is connected with a wiper system control box 121;

the driving seat 21 is in a 7-shaped structure, a reinforcing rib structure is arranged on the driving seat 21, the driving seat 21 is provided with 7 mounting holes, bearings are arranged at two ends of the crank 22, and two ends of the bracket 222 are connected with the swing shaft 231 through the bearings; an oil filling hole is formed in the shaft sleeve 232, lip-shaped framework oil seal rings are arranged at two ends of the shaft sleeve 232, and composite lubricating grease is filled in the oil filling hole; the wiper can be ensured to play a role in lubricating a transmission shaft and preventing water seepage during operation; the shaft sleeve 232 is provided with a notch with a rotation angle range, so that the swing shaft 231 can be effectively prevented from being separated when power fails or no tension exists.

As shown in fig. 2 and 3, the turbine motor 3 includes a motor 31, a turbine shaft 32, a turbine holder 33, a gear plate 331, and an output shaft 332; the motor 31 is connected with a turbine shaft 32, two ends of the turbine shaft 32 are provided with rolling bearings 321, the lower end of the turbine shaft 32 is connected with a gear disc 331 arranged in the turbine seat 33, and the center of the gear disc 331 is connected with an output shaft 332;

the inner side and the outer side of the rolling bearing 321 are respectively provided with an inner snap ring 322 and an outer snap ring 323, the shell of the turbine seat 33 is provided with an anti-corrosion coating, the diameter of the turbine shaft 32 is phi 12, the taper of the shaft end is 1:3, the knurled straight line m is 0.3, the external diameter of the motor is phi 76 +/-3 mm, and the total external length is 210 +/-3 mm.

Those not described in detail in the specification are well within the skill of the art.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as being within the protection scope of the present invention.

Claims

1. A driving device of a window wiper is characterized by comprising a driving seat, a crank, a connecting rod, a bracket, a swing shaft, a shaft sleeve, a swing rod and a turbine motor; the driving seat is fixedly provided with a turbine motor, the turbine motor is connected with a connecting rod through a crank, the connecting rod is connected with a swing shaft, the swing shaft is connected with another swing shaft through a support, the swing shaft is connected with a swing rod sleeved in a shaft sleeve, and the turbine motor is connected with a wiper system control box.

2. The driving device for a wiper blade of claim 1, wherein said turbine motor includes a motor, a turbine shaft, a turbine housing, a gear plate and an output shaft; the motor is connected with a turbine shaft, rolling bearings are arranged at two ends of the turbine shaft, the lower end of the turbine shaft is connected with a gear disc arranged in a turbine seat, and the center of the gear disc is connected with an output shaft.

3. The driving device for a windshield wiper as recited in claim 2, wherein the driving seat has a 7-shaped structure, the driving seat is provided with a rib structure, and the driving seat is provided with a plurality of mounting holes.

4. A driving apparatus for a wiper blade according to claim 3, wherein bearings are provided at both ends of the crank, and both ends of the bracket are connected to the pivot shaft through the bearings.

5. The driving device for a wiper blade of claim 4, wherein the shaft sleeve is provided with an oil hole, and both ends of the shaft sleeve are provided with lip-shaped skeleton oil seals.

6. The driving apparatus for a wiper blade according to claim 5, wherein said oil hole is filled with a compound grease; the wiper can be ensured to play a role in lubricating the transmission shaft and preventing water seepage in operation.

7. The driving device for a window wiper as defined in claim 6, wherein the shaft sleeve is formed with a notch for preventing the pivot shaft from coming out when the power fails or the tension is not applied.

8. A wiper drive according to claim 7, wherein the inner and outer sides of the rolling bearing are provided with an inner and outer snap ring, respectively.

9. A drive device for a wiper blade according to claim 8, wherein the casing of the turbine holder is provided with an anti-corrosion coating.