阅读说明：本技术 一种刮雨器 (Rain wiper ) 是由 李英华 张心悦 安晓娜 詹皓予 魏忠灵 张洲 姚金花 谭聪 余佳焕 周永祥 于 2020-04-24 设计创作，主要内容包括：一种刮雨器,包括相互连接的喷淋组件和驱动装置,以及由驱动装置驱动连接的刷杆装置；喷淋组件包括有洗涤箱、刮雨器系统控制箱、积水盘、刮雨器开关、水泵、进水管、Y型过滤器、喷淋水管、单向阀和喷嘴；洗涤箱的一侧设置有刮雨器系统控制箱,其底端连接有积水盘,刮雨器开关通过电缆与刮雨器系统控制箱相连接,积水盘中设置有水泵,水泵两端分别连接有进水管和喷淋水管,进水管上设置有Y型过滤器,喷淋水管上设置有单向阀,喷淋水管的末端安装有喷嘴；驱动装置包括有驱动座、曲柄、连杆、支架、摆轴、轴套、摆杆和涡轮电机。本发明显著提高刮雨器的平稳性和使用寿命。(A window wiper comprises a spraying assembly, a driving device and a brush rod device, wherein the spraying assembly and the driving device are connected with each other; the spraying component comprises a washing box, a wiper system control box, a water accumulation disc, a wiper switch, a water pump, a water inlet pipe, a Y-shaped filter, a spraying water pipe, a one-way valve and a nozzle; one side of the washing box is provided with a wiper system control box, the bottom end of the washing box is connected with a water accumulation disc, a wiper switch is connected with the wiper system control box through a cable, a water pump is arranged in the water accumulation disc, the two ends of the water pump are respectively connected with a water inlet pipe and a spray header, a Y-shaped filter is arranged on the water inlet pipe, a one-way valve is arranged on the spray header, and the tail end of the spray header is provided with a nozzle; the driving device 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 invention obviously improves the stability and the service life of the wiper.)

1. A window wiper is characterized by comprising a spraying assembly, a driving device and a brush rod device, wherein the spraying assembly and the driving device are mutually connected; the spraying component comprises a washing box, a wiper system control box, a water accumulation disc, a wiper switch, a water pump, a water inlet pipe, a Y-shaped filter, a spraying water pipe, a one-way valve and a nozzle; a wiper system control box is arranged on one side of the washing box, a water accumulation disc is connected to the bottom end of the washing box, a wiper switch is connected with the wiper system control box through a cable, a water pump is arranged in the water accumulation disc, a water inlet pipe and a spray header are respectively connected to two ends of the water pump, a Y-shaped filter is arranged on the water inlet pipe, a one-way valve is arranged on the spray header, and a nozzle is arranged at the tail end of the spray header; the brush rod device comprises a brush rod connector, a brush rod bracket, an anti-floating assembly, a spring assembly, a brush rod assembly, a brush piece rocker assembly, a scraping frame assembly and a brush piece; the brush rod connector is connected with the swing rod, and the brush rod connector is sequentially connected with a brush rod support, a brush rod assembly, a brush piece rocker assembly, a scraping frame assembly and a brush piece.

2. The windscreen wiper device as set forth in claim 1, wherein said driving device comprises a driving seat, a crank, a connecting rod, a bracket, a pivot shaft, a bushing, a rocker, 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.

3. The windscreen wiper device as set forth in claim 2, wherein said turbine motor comprises 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 in a turbine seat, and the center of the gear disc is connected with an output shaft; the brush rod support is provided with an anti-floating assembly and a spring assembly, and the brush piece rocker assembly comprises a brush rod connecting block and a rocker rotating shaft.

4. The wiper according to claim 3, wherein a water level indicator is disposed on one side of the washing tank, the water level indicator is a communication pipe, and a water level switch connected to the water level indicator is disposed on one side of the washing tank; one side of the washing box is provided with a wire binding column, and the wire binding column can fix a cable coming out of the window wiper system control box.

5. The window wiper according to claim 4, wherein the driving seat is a 7-shaped structure, the driving seat is provided with a reinforcing rib structure, the driving seat is provided with a plurality of mounting holes, two ends of the crank are provided with bearings, and two ends of the bracket are connected with the swing shaft through the bearings.

6. The window wiper as claimed in claim 5, wherein an oil hole is provided on the shaft sleeve, lip-shaped skeleton oil seals are provided on both ends of the shaft sleeve, and a compound grease is filled in the oil hole; a notch with a rotation angle range is designed on the shaft sleeve; the shell of the turbine seat is provided with an anti-corrosion coating; and the inner side and the outer side of the rolling bearing are respectively provided with an inner snap ring and an outer snap ring.

7. The wiper blade of claim 6, wherein a parallel frame assembly is connected between the two said wiper rod holders, and said anti-float assembly is connected to the wiper rod connector by a locating block.

8. The wiper according to claim 7, wherein the spring assembly comprises a tension spring, a tension spring inner threaded sleeve, an adjusting screw locking clamp, an all-metal hexagonal locking nut, a hexagonal bolt and a hemispherical cushion cover; the utility model discloses a wiper blade, including brush piece, extension spring, full metal hexagonal lock nut, brush rod connector, adjusting screw, hexagon head bolt, adjusting screw, swivel nut, extension spring, swivel nut is installed in the extension spring, the one end hook of extension spring is hung on the brush rod connector, the other end of extension spring passes the hemisphere by the hexagon head bolt and covers, adjust the seat, adjusting screw locking card is connected with the interior swivel nut of extension spring of installing in the extension spring, adjusts the packing force of brush rod to the brush piece through the pulling force of adjusting hexagon head bolt and extension spring, ensures to scrape the cleanliness and prevents to scrape the wiper blade brush rod and turn-up or float.

9. The wiper blade of claim 8, wherein the wiper rod connector is provided with two circular slots, and a reinforcing plate is provided at a connection portion of the wiper rod holder and the wiper rod connector; the brush piece rocker component is provided with a waist-shaped hole convenient for up-and-down adjustment.

10. The wiper blade of claim 9, wherein the brush holder is a bent rod structure with two bent tubes, and the spray tube is inserted into the brush holder.

Technical Field

The invention relates to the technical field of rain wiping of motor train units, in particular to 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, it is an urgent problem to be solved by those skilled in the art to improve the stability and the service life of the wiper.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide a wiper which obviously improves the stability and prolongs the service life of the wiper.

The technical scheme adopted by the invention for solving the technical problems is as follows: a window wiper comprises a spraying assembly, a driving device and a brush rod device, wherein the spraying assembly and the driving device are connected with each other;

the spraying component comprises a washing box, a wiper system control box, a water accumulation disc, a wiper switch, a water pump, a water inlet pipe, a Y-shaped filter, a spraying water pipe, a one-way valve and a nozzle; a wiper system control box is arranged on one side of the washing box, a water accumulation disc is connected to the bottom end of the washing box, a wiper switch is connected with the wiper system control box through a cable, a water pump is arranged in the water accumulation disc, a water inlet pipe and a spray header are respectively connected to two ends of the water pump, a Y-shaped filter is arranged on the water inlet pipe, a one-way valve is arranged on the spray header, and a nozzle is arranged at the tail end of the spray header;

the driving device 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 in a turbine seat, and the center of the gear disc is connected with an output shaft;

the brush rod device comprises a brush rod connector, a brush rod bracket, an anti-floating assembly, a spring assembly, a brush rod assembly, a brush piece rocker assembly, a scraping frame assembly and a brush piece; the brush rod connector is connected with the oscillating bar, the brush rod connector is sequentially connected with a brush rod support, a brush rod assembly, a brush piece rocker assembly, a scraping frame assembly and a brush piece, the brush rod support is provided with an anti-floating assembly and a spring assembly, and the brush piece rocker assembly comprises a brush rod connecting block and a rocker rotating shaft.

Furthermore, one side of the washing tank is provided with a water level display, the water level display is a communicating pipe, and one side of the washing tank is provided with a water level switch connected with the water level display.

Furthermore, one side of the washing box is provided with a wire binding post which can fix a cable coming out of the window wiper system control box.

Furthermore, the driving seat is of a 7-shaped structure, a reinforcing rib structure is arranged on the driving seat, the driving seat is provided with a plurality of mounting holes, 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, an oil filling hole is formed in the shaft sleeve, lip-shaped framework oil seal rings are arranged at two ends of the shaft sleeve, 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 is provided with a notch with a rotation angle range, so that the swing shaft can be effectively prevented from falling off when power fails or no tension 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 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.

Furthermore, a parallel frame assembly is connected between the two brush rod brackets, and the anti-floating assembly is connected to the brush rod connector through a positioning block; the spring assembly comprises a tension spring, a tension spring inner threaded sleeve, an adjusting screw locking clamp, an all-metal hexagonal locking nut, a hexagonal bolt and a hemispherical cushion cover; the utility model discloses a brush piece, including extension spring, adjusting screw, brush piece, swivel nut, extension spring, full metal hexagonal lock nut, brush rod connector, adjusting seat, adjusting screw locking card, the swivel nut is installed in the extension spring, the one end hook of extension spring is hung on the brush rod connector, the other end of extension spring passes the hemisphere by the hexagon head bolt and covers, adjusts the seat, adjusting screw locking card and is connected with the interior swivel nut of extension spring of installing in the extension spring, adjusts the packing force of brush piece through the pulling force of adjusting hexagon head bolt and extension spring.

Furthermore, the brush rod connector is provided with two circular slotted holes, and the joint of the brush rod support and the brush rod connector is provided with a reinforcing plate, so that the problems of large abrasion and intermittent shaking or breakage and the like of the brush rod support are solved, and the reliability and the service life of the scratch rain resistant device are improved.

Furthermore, the brush rod support adopts a bent rod structure of two square tubes, and a spray header is inserted in the brush rod support.

The invention has the advantages that the stability and the service life of the wiper are obviously improved; the reinforcing plate is arranged at the joint of the brush rod support and the brush rod connector, so that the problems of large abrasion and intermittent shaking or breakage of the brush rod support and the like are solved, and the reliability and the service life of the rain scraper are improved; the anti-floating component ensures the wiping cleanliness and prevents the wiper rod of the wiper from turning up or floating

Drawings

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

FIG. 2 is a schematic structural view of the spray assembly of the present invention;

FIG. 3 is a schematic diagram of the construction of the water pump portion of the present invention;

FIG. 4 is a schematic view of the structure of the driving device of the present invention;

FIG. 5 is a schematic cross-sectional view of the turbine motor of the present invention;

FIG. 6 is a schematic structural view of the turbine motor of the present invention;

figure 7 is a schematic view of the construction of the brush bar assembly of the present invention.

In the drawings: 1. a spray assembly, 11, a washing tank, 111, a water level display, 112, a water level switch, 113, a binding post, 121, a wiper system control tank, 122, a water accumulation tray, 123, a wiper switch, 13, a water pump, 131, a water inlet pipe, 1311, a Y-shaped filter, 132, a spray water pipe, 1321, a check valve, 133, a nozzle, 2, a driving device, 21, 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, an output shaft, 4, a brush rod device, 41, a brush rod connector, 411, a brush rod bracket, 412, an anti-floating assembly, 413, a spring assembly, 42, a brush rod assembly, 421, a parallel frame assembly, 422, a brush piece rocker assembly, 423. brush-holder stud connecting block, 424, rocker pivot, 43, scrape a frame subassembly, 431, brush piece.

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 wiper includes a spray assembly 1 and a driving device 2 connected to each other, and a brush bar device 4 drivingly connected to the driving device 2;

as shown in fig. 2 and 3, the spray assembly 1 includes a washing tank 11, a wiper system control tank 121, a water accumulation tray 122, a wiper switch 123, a water pump 13, a water inlet pipe 131, a Y-shaped filter 1311, a spray water pipe 133, a check valve 1321 and a nozzle 134; a wiper system control box 121 is arranged on one side of the washing box 11, a water accumulation disc 122 is connected to the bottom end of the washing box 11, a wiper switch 123 is connected with the wiper system control box 121 through a cable, a water pump 13 is arranged in the water accumulation disc 122, both ends of the water pump 13 are respectively connected with a water inlet pipe 131 and a spray water pipe 132, a Y-shaped filter 1311 is arranged on the water inlet pipe 131, a one-way valve 1321 is arranged on the spray water pipe 132, and a nozzle 133 is arranged at the tail end of the spray water pipe 132;

a water level display 111 is arranged on one side of the washing tank 11, the water level display 111 is a communicating pipe, a water level switch 112 connected with the water level display 111 is arranged on one side of the washing tank 11, a binding post 113 is arranged on one side of the washing tank 11, the binding post 113 can fix a cable spray water pipe 132 coming out of the window wiper system control box 121 and is fixed on the wall surface by adopting a locking nut, and the spray water pipe 132 can be effectively prevented from falling off.

As shown in fig. 4, the driving device 2 includes a driving seat 21, a crank 22, a connecting rod 221, a bracket 222, a swing shaft 231, a shaft sleeve 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. 5 and 6, 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.

As shown in fig. 7, the brush bar assembly includes a brush bar connector 41, a brush bar support 411, an anti-floating assembly 412, a spring assembly 413, a brush bar assembly 42, a brush blade rocking bar assembly 422, a scraping frame assembly 43 and a brush blade 431; the brush rod connector 41 is connected with the swing rod 233, the brush rod connector 41 is sequentially connected with a brush rod support 411, a brush rod assembly 42 and a brush sheet rocker assembly 422, the scraping frame assembly 43 and a brush sheet 431 are arranged, the brush rod support 411 is provided with an anti-floating assembly 412 and a spring assembly 413, and the brush sheet rocker assembly 422 comprises a brush rod connecting block 423 and a rocker rotating shaft 424.

A parallel frame assembly 421 is connected between the two brush rod brackets 411, and the anti-floating assembly 412 is connected to the brush rod connector 41 through a positioning block; the spring assembly 413 comprises a tension spring, a tension spring inner threaded sleeve, an adjusting screw locking clamp, an all-metal hexagonal locking nut, a hexagonal bolt and a hemispherical cushion cover; the inner threaded sleeve of the tension spring is arranged in the tension spring, the all-metal hexagonal locking nut is arranged in the adjusting screw locking clamp, one end of the tension spring is hooked on the brush rod connector, the other end of the tension spring is connected with the inner threaded sleeve of the tension spring arranged in the tension spring by a hexagonal head bolt penetrating through the hemispherical cushion sleeve, the adjusting seat and the adjusting screw locking clamp, and the pressing force of the brush rod on the brush piece is adjusted by adjusting the tension of the hexagonal head bolt and the tension spring, so that the wiping degree is ensured and the brush rod of the wiper is prevented from turning up or floating; the brush rod connector 41 is provided with two circular slotted holes, the joint of the brush rod bracket 411 and the brush rod connector 41 is provided with a reinforcing plate, the problems of large abrasion and intermittent shaking or breakage and the like of the brush rod bracket 411 are solved, the reliability and the service life of the rain-resistant device are improved, the brush rod bracket 411 adopts a bent rod structure of two square tubes, the spray water pipe 132 is inserted in the brush rod bracket 411 in a penetrating way,

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.