CN111391788B - Pneumatic rotary type automobile windshield wiper - Google Patents
Pneumatic rotary type automobile windshield wiper Download PDFInfo
- Publication number
- CN111391788B CN111391788B CN202010251181.0A CN202010251181A CN111391788B CN 111391788 B CN111391788 B CN 111391788B CN 202010251181 A CN202010251181 A CN 202010251181A CN 111391788 B CN111391788 B CN 111391788B
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- arm
- rotating arm
- air
- windshield wiper
- supply system
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Classifications
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- 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
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- 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
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- 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
- B60S1/46—Cleaning windscreens, windows or optical devices using liquid; Windscreen washers
- B60S1/48—Liquid supply therefor
- B60S1/52—Arrangement of nozzles; Liquid spreading means
- B60S1/522—Arrangement of nozzles; Liquid spreading means moving liquid spreading means, e.g. arranged in wiper arms
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- 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
- B60S1/54—Cleaning windscreens, windows or optical devices using gas, e.g. hot air
- B60S1/544—Cleaning windscreens, windows or optical devices using gas, e.g. hot air moving gas spreading means, e.g. arranged in wiper arms
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Water Supply & Treatment (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The invention relates to the technical field of automobile accessories, and discloses a pneumatic rotary automobile windshield wiper which comprises a pneumatic rotating arm, a main control arm, a positioning motor, an air pump, a water pump, a position sensor and an electromagnet speed reducing system, wherein the pneumatic rotating arm is easy to replace, firm in connection and good in air tightness. The pneumatic rotary automobile windshield wiper is characterized in that the pneumatic rotary automobile windshield wiper changes the working mode that the existing single-arm or double-arm swing mode is changed, the rubber wiper blade is used for scraping the rain and snow foreign matters, the positioning of the main control arm is changed, and the rotary arm is used for continuously removing the rain and snow foreign matters by using high-pressure airflow in a rotary mode. The pneumatic rotary automobile windshield wiper is characterized in that the pneumatic rotary automobile windshield wiper is combined with an automobile water spraying device.
Description
Technical Field
The invention belongs to the technical field of automobile accessories, and particularly relates to a pneumatic rotary automobile windshield wiper.
Background
Most of the designs of the existing automobile windshield wipers are swing type designs, namely, the windshield is cleaned of rain and snow foreign matters under the combined action of 1-2 windshield wipers, so that a driver can obtain clear vision. However, in real life, when the rainfall is large, such a mechanism has no rain removal effect, no matter how fast the swing frequency and speed are. The driver can only slow down to stop waiting for the rain potential to decrease. This brings a lot of hidden trouble to safety. And great unsmooth traffic is brought. In addition, most of the designs of the automobile windshield wiper are to use a rubber wiper blade to contact with the windshield for friction type rain removal. Is easy to wear and replace, and easily damages the windshield. This is not environment friendly and also causes an increase in maintenance cost.
Most of the design of the windshield wiper of the automobile is separated from the water spraying device and is a separate system. The nozzle position of the water spraying device is fixed, so that the direction and the drop point of water sprayed are fixed, the wetting range is small and limited, and the wetting range can be enlarged only by the operation of the wiper. The driver often needs to spray water several times to achieve the cleaning purpose. This can obscure the view, distract the driver, and waste water resources.
Disclosure of Invention
In order to solve the technical problems, the invention provides a pneumatic rotary automobile windshield wiper which is particularly suitable for various transportation tools of which windshields need to remove rain and snow.
The technical scheme adopted by the invention is as follows: the utility model provides a pneumatic rotation type car windshield wiper, includes swinging boom, master arm, water supply system and air feed system, and the swinging boom passes through bearing structure with the master arm to be connected, and inside cavity setting's swinging boom and master arm link up each other, and water supply system and air feed system are connected to the master arm other end.
Preferably, the side wall of the rotating arm is provided with a connecting protrusion in an outward protruding way, the side wall of the main control arm is provided with a connecting groove in a protruding way, and the connecting protrusion is connected with the connecting groove through a rolling bearing;
preferably, the connection protrusion is provided at the middle of the rotation arm;
preferably, the connection groove is provided at one end of the master arm.
Preferably, the rotating arm is provided with an air outlet, and the air outlet comprises one, two or more strip-shaped holes or a plurality of dot-shaped holes.
Preferably, an included angle formed by a plane formed by the air outlet to the axis of the rotating arm and the axis where the connecting protrusion is located is set to be 0-90 degrees, including 0 degrees and not including 90 degrees.
Preferably, two ends of the rotating arm are inclined planes, and inclined plane air outlets are arranged on the inclined planes, and each inclined plane air outlet comprises one or more strip-shaped holes or one or more dot-shaped holes.
Preferably, lateral air outlets are arranged on the side walls at two ends of the rotating arm, and the two lateral air outlets are respectively arranged at two sides of the axis of the rotating arm.
Preferably, the main control arm is hollow to form a transmission pipeline or is provided with a tubular transmission pipeline, and the water supply system and the air supply system are connected with the transmission pipeline through Y-shaped three-way connectors.
Preferably, the air supply system comprises an air pump and a heater, and the air conduit connects the air pump, the heater and the Y-shaped three-way connector in series in sequence;
the water supply system comprises a water storage tank and a water pump, and the water guide pipe is used for sequentially connecting the water storage tank, the water pump, the one-way valve and the Y-shaped three-way connector in series.
Preferably, the device further comprises an electromagnet deceleration system, wherein the electromagnet deceleration system comprises an electromagnet arranged on the side wall of the master control arm and magnetically permeable materials arranged on the rotating arm, the magnetically permeable materials are symmetrically arranged in two relative to the connecting protrusion, the magnetically permeable materials are matched with the electromagnet in position, and the electromagnet is connected with the power supply controller.
Preferably, the master control arm is also provided with a position sensor and a positioning motor.
The invention has the advantages and positive effects that:
the main control arm is adopted for positioning, the swinging arm replaces the swinging of a traditional single arm or double arms in a rotating mode, the high-pressure air flow is used for uninterruptedly removing the foreign matters such as rain and snow, the removing efficiency is high, and a clear visual field can be provided for a driver even under the condition of large rainfall. Thus, the potential safety hazard of driving is greatly eliminated, and the possibility of traffic jam is greatly reduced;
2, the high-pressure air is used for removing rain and snow foreign matters on the windshield, so that the rotating arm is not contacted with the windshield, the windshield is not damaged, and the rubber wiper blade is not required to be replaced frequently, thereby reducing the maintenance cost and being environment-friendly and clean;
and 3, combining the pneumatic rotary automobile windshield wiper with an automobile water spraying device into a whole, and mixing water and air to form an air knife containing a plurality of tiny water drops, thereby simultaneously realizing the purposes of wetting and removing foreign matters on the windshield. Therefore, the working efficiency and the effective wetting range of the water spraying device are greatly improved, the attention of a driver is not dispersed, and meanwhile, the water is saved and the environment is protected;
4 the installation position of the pneumatic rotary automobile windshield wiper can be randomly arranged at a reasonable position. The automobile windscreen wiper is more beneficial to barriers in design caused by the automobile windscreen wiper in the automobile design process, so that the automobile windscreen wiper is more beneficial to the overall design of an automobile, in particular to the fluid design and the appearance design of a windshield and an engine cover.
Drawings
FIG. 1 is a schematic diagram of one embodiment of the present invention;
FIG. 2 is a schematic diagram of the architecture used in one embodiment of the present invention;
FIG. 3 is a schematic diagram of the architecture used in one embodiment of the present invention;
FIG. 4 is a schematic view of a radial cross-sectional structure of a rotating arm according to an embodiment of the present invention;
FIG. 5 is a schematic view showing a radial cross-sectional structure of a rotating arm according to an embodiment of the present invention;
FIG. 6 is a schematic view of an axial cross-sectional structure of a rotating arm according to an embodiment of the present invention;
FIG. 7 is a schematic view of an axial cross-sectional structure of a rotating arm according to an embodiment of the present invention;
FIG. 8 is a schematic view of a rotary arm structure according to an embodiment of the present invention;
FIG. 9 is a schematic view of a rotary arm structure according to an embodiment of the present invention;
FIG. 10 is a schematic view of a rotary arm structure according to an embodiment of the present invention;
FIG. 11 is a schematic view of a rotary arm structure according to an embodiment of the present invention.
In the figure:
1. rotating arm 2, rolling bearing 3 and master control arm
4. Transmission pipeline 5, positioning motor 6 and air conduit
7. Air pump 8, water pump 9 and one-way valve
10. Water conduit 11, water storage tank 12 and air outlet
13. Electromagnet 14, magnetically permeable material 15, power supply controller
16. Position sensor 17, transverse air outlet 18 and Y-shaped three-way connector
19. Connection groove 20, heater 21, connection protrusion
22. Bevel air outlet 23, windscreen 24, working position
25. Rest position
Detailed Description
Embodiments of the present invention are described below with reference to the accompanying drawings.
As shown in fig. 1, the invention relates to a pneumatic rotary windshield wiper for an automobile, which has the main functions of removing rain and snow foreign matters while rotating, and comprises a rotary arm 1, a main control arm 3, a water supply system and a gas supply system, wherein the rotary arm 1 and the main control arm 3 are connected through a bearing structure, the bearing structure can be a rolling bearing 2, the rotary arm 1 can rotate circumferentially, the rotary arm 1 and the main control arm 3 which are arranged in a hollow way are mutually communicated, the rotary arm 1 and the main control arm 3 are all tubular objects, the tubular objects can be designed into any shape to adapt to aerodynamic design requirements, the pneumatic rotary windshield wiper can be used for ventilation or water supply, and the other end of the main control arm 3 is connected with the water supply system and the gas supply system. The main control arm 3 is hollow to form a transmission pipeline 4 or is provided with a tubular transmission pipeline 4, and the water supply system and the air supply system are connected with the transmission pipeline 4 through a Y-shaped three-way connector 18.
The side wall of the rotating arm 1 is outwards protruded and provided with a connecting protrusion 21, the side wall of the main control arm 3 is protruded and provided with a connecting groove 19, the connecting protrusion 21 is connected with the connecting groove 19 through a rolling bearing 2, the side wall of the main control arm 3 is protruded and provided with the connecting groove 19, the rolling bearing 2 used for connecting the rotating arm 1 and the main control arm 3 is embedded in the connecting protrusion 21, and the connecting protrusion 21 is embedded in a central hole of the rolling bearing 2 to form a communicating passage, so that a plane where the rotating arm 1 is rotated and a plane where the main control arm 3 is positioned are mutually parallel, and the structure is easy to replace, firm in connection and good in air tightness; in order to maintain balance and increase attractiveness, the connecting protrusion 21 is arranged in the middle of the rotating arm 1, so that the rotating arm 1 can rotate around the circumference of the connecting protrusion 21, the connecting groove 19 is formed in one end of the master arm 3, so that the rotating arm 1 can rotate at one end of the master arm 3, the other end of the master arm 3 can be rotatably fixed on a frame of a vehicle window, two pneumatic rotary type automobile windshield wipers can be symmetrically arranged on the frames on two sides of the vehicle window according to the shape of the vehicle, or the pneumatic rotary type automobile windshield wipers can be arranged on the frames on the top or the lower part of the vehicle window, as shown in fig. 2 and 3. When the rain and snow removing device is used, the main control arm 3 rotates to drive the rotary arm 1 to move from the non-working position 25 to the working position 24, the rotary arm 1 rotates to remove rain and snow in a corresponding range, and the main control arm 3 can also be used for driving the rotary arm 1 to move to remove rain and snow in a corresponding range.
As shown in fig. 8-11, the air outlet 12 is arranged on the rotating arm 1, water, air or a mixture of water and air can be sprayed out from the position of the air outlet 12, the arrangement of the air outlet 12 can comprise one, two or more strip-shaped holes, for example, a strip-shaped gap penetrating through the side surface of the whole rotating arm 1, or two strip-shaped gaps from the center to two ends, or the air outlet 12 formed by linearly arranging a plurality of strip-shaped holes, and the air outlet 12 can be in a row or a plurality of rows, can be in a straight line or can be in a curve shape, and can be in different shapes according to the type of the vehicle used; when the air outlet 12 is formed by a plurality of strip holes, the strip holes can also be dot holes, so that the water spraying and air spraying are more uniform. An included angle formed by a plane formed by the air outlet to the axis (axis Z) of the rotating arm and the axis (axis Y) where the connecting protrusion is positioned is set to be < alpha >, wherein < alpha > is 0-90 degrees including 0 degrees and not including 90 degrees, as shown in fig. 4 and 5. After installation, the air outlet angle can be perpendicular to the car window, and also can form a certain angle with the car window. As shown in fig. 6 and 7, when the high pressure air is ejected from the air outlet 12, an air knife is formed, and the rotating arm 1 rotates at a high speed due to the lateral division of the high pressure air due to the included angle α, thereby removing the foreign matters of rain and snow on the windshield 23.
In order to increase the scraping range of the windscreen wiper, the two ends of the rotating arm 1 are provided with inclined planes, the inclined planes are provided with inclined plane air outlets 22 corresponding to the vehicle window direction and the annular range outside the two ends of the rotating arm 1, so that the effective use range of the windscreen wiper is increased, and the inclined plane air outlets 22 can be consistent with the air outlets 12 in shape and comprise one or more strip-shaped holes or dot-shaped holes.
The lateral walls at two ends of the rotating arm 1 are provided with the transverse air outlets 17, the two transverse air outlets 17 are respectively arranged at two sides of the axis of the rotating arm 1, the transverse air outlets 17 can provide transverse thrust for the rotating arm 1 to enable the rotating arm 1 to rotate at a high speed, at the moment, the air outlet direction of the transverse air outlets 17 is not parallel to the axis direction of the rolling bearing 2, when the angle alpha is 0, the transverse air outlets 17 are required to provide thrust for the rotating arm 1 in rotation, when the angle alpha is not 0, according to the angle alpha, the transverse air outlets 17 can be not required to be provided, only the thrust formed when the air outlet 12 is required to provide air outlet is required to push the rotating arm 1 to rotate, and correspondingly, the transverse air outlets 17 can also be simultaneously arranged to assist the rotating arm 1 to rotate.
The air supply system comprises an air pump 7 and a heater 20, wherein the air conduit 6 is used for sequentially connecting the air pump 7, the heater 20 and the Y-shaped three-way connector 18 in series, and the heater 20 is controlled by an external circuit and a switch and is used for heating air; the water supply system comprises a water storage tank 11 and a water pump 8, the water storage tank 11, the water pump 8 and a Y-shaped three-way connector 18 are connected in series by a water conduit 10 in sequence, and a one-way valve 9 is arranged between the water pump 8 and the Y-shaped three-way connector 18.
The electromagnetic force reducing system comprises an electromagnet 13 and a magnetically permeable material 14, wherein the electromagnet 13 is arranged on the side wall of the main control arm 3, the magnetically permeable material 14 is arranged on the rotating arm 1, the electromagnet 13 and the magnetically permeable material 14 are mutually corresponding and are matched in position and can interact, the magnetically permeable material 14 is symmetrically arranged on the rotating arm 1 relative to the connecting protrusion 21, the magnetically permeable material 14 is arranged at the outer end as far as possible, the two magnetically permeable materials 14 can alternately correspond to the electromagnet 13 when the rotating arm 1 rotates, the electromagnet 13 is connected with a power supply controller 15, when the rotating arm 1 needs to be stopped, a switch can be closed, and at the moment, the power supply controller 15 is excited to supply power to the electromagnet 13 to enable the electromagnet to work, and the magnetically permeable material 14 is alternately acted on the two magnetically permeable materials, so that the rotating arm 1 is reduced until the rotating arm is stopped. The main control arm 3 is also provided with a position sensor 16 and a positioning motor 5, the position sensor 16 is used for sensing the position of the rotating arm 1 and can be arranged at any reasonable position according to actual requirements, and the positioning motor 5 is used for controlling the main control arm 3 to be switched between a working position 24 and a non-working position 25. When the driver stops the wiper, the switch can be turned off, and the power supply controller 15 is activated to supply power to the electromagnet 13 and the position sensor 16 to make the electromagnet work, and interact with the magnetically permeable materials 14 arranged at the corresponding positions at the two ends of the rotating arm 1 to slow down the rotating speed of the rotating arm 1 and make the rotating arm quickly stop on a line parallel to the line where the master control arm 3 is located. At this time, the position sensor 16 on the master arm 3 detects the position of the rotary arm 1 and sends out an electrical signal to inform the positioning motor to operate, and returns to the non-operating position 25 of the wiper, as shown in fig. 2-3, to stop operation. While the supply of electric power to the electromagnet 13 and the position sensor 16 is stopped. In the invention, the air pump 7, the water pump 8, the air heater 20, the positioning motor 5, the electromagnet 13 and the position sensor 16 are all electrically connected with an external power supply through control switches, so that the power supply support can be ensured during working, and the electrical connection is the prior art, so that the description is omitted.
The biggest characteristic of some embodiments of the invention is that the invention changes the existing single-arm or double-arm swing, scrapes the rain and snow foreign matter with the rubber wiper blade, changes the positioning of the main control arm 3, and the rotating arm 1 uses the working mode of the high-pressure air flow to remove the rain and snow foreign matter in a rotating mode. The high-pressure air is provided by the air pump 7, reaches the rotating arm 1 through the transmission pipeline 4 of the master control arm 3, is sprayed out through the air outlet 12 on the rotating arm 1 to form an air knife, and simultaneously drives the rotating arm 1 to rotate, so that the aim of removing foreign matters such as rain and snow is achieved. The rotary arm 1 is driven by high-pressure air to continuously rotate at a high speed so as to continuously remove rain and snow foreign matters, so that the cleaning efficiency is high, a clear view is provided for a driver even under the condition of large rainfall, the potential safety hazard of driving is greatly eliminated, and the possibility of traffic jam is greatly reduced. And because the high-pressure air is used for removing the rain and snow foreign matters on the windshield 23, the rotating arm 1 is not contacted with the windshield 23, so that the windshield 23 is not damaged, and the rubber wiper blade is not required to be replaced frequently, so that the maintenance cost is reduced, and the environment is protected and clean.
Another feature of some embodiments of the present invention is that the pneumatic rotary windshield wiper of the vehicle is integrated with the vehicle water spray device, water is pumped from the water storage tank 11 by the water pump 8 through the water conduit 10, pumped out by the water pump 8 through the water conduit 10, through the one-way valve 9, and then through the Y-shaped three-way connector 18 to the transmission line 4. The water forms tiny water drops under the impact of high-speed flowing high-pressure air in the transmission pipeline 4, and is sprayed out simultaneously along with the high-pressure air from the air outlet 12 of the rotating arm 1 to form an air knife containing a plurality of tiny water drops, so that the purposes of wetting and removing foreign matters on the windshield 23 are realized, the working efficiency and the effective wetting range of the water spraying device are greatly improved, the attention of a driver is not dispersed, and meanwhile, the water is saved and the environment is protected.
The pneumatic rotary type automobile windshield wiper is used for removing the rain and snow foreign matters on the windshield 23 by high-pressure air and simultaneously providing the rotary power of the rotary arm 1, so that the pneumatic rotary type automobile windshield wiper has no special requirement on the surface shape of the windshield 23, and the foreign matters on the windshield 23 can be removed by an air knife. Therefore, the installation position of the pneumatic rotary automobile windshield wiper can be randomly placed at any reasonable position. This is more advantageous in the design of the automobile due to the wiper blade of the automobile, and thus is more advantageous in the overall design of the automobile, particularly in the fluid design and the design of the windshield 23 and the hood.
Example 1:
the pneumatic rotary type automobile windshield wiper comprises a rotary arm 1, a master control arm 3, a water supply system and an air supply system, wherein the rotary arm 1 is connected with the master control arm 3 through a rolling bearing 2, the rotary arm 1 and the master control arm 3 which are arranged in a hollow mode are communicated with each other, and the other end of the master control arm 3 is connected with the water supply system and the air supply system; the main control arm 3 is hollow to form a transmission pipeline 4 or is provided with a tubular transmission pipeline 4, and the water supply system and the air supply system are connected with the transmission pipeline 4 through a Y-shaped three-way connector 18; the air supply system comprises an air pump 7 and a heater 20, and the air conduit 6 is used for sequentially connecting the air pump 7, the heater 20 and the Y-shaped three-way connector 18 in series; the water supply system comprises a water storage tank 11 and a water pump 8, and a water conduit 10 connects the water storage tank 11, the water pump 8, a one-way valve 9 and a Y-shaped three-way connector 18 in series in sequence.
The lateral wall of the rotating arm 1 is outwards protruded to be provided with a connecting protrusion 21, the lateral wall of the main control arm 3 is protruded to be provided with a connecting groove 19, the connecting protrusion 21 is connected with the connecting groove 19 through a rolling bearing 2, the connecting protrusion 21 is arranged in the middle of the rotating arm 1, and the connecting groove 19 is arranged at one end of the main control arm 3, so that the rotating arm 1 can circumferentially move around the outer end of the main control arm 3 by taking the center as the circle center.
As shown in fig. 10, the rotating arm 1 is provided with an air outlet 12, the air outlet 12 is a strip hole, an opening with the width of 0.5-0.8 mm, specifically, one air outlet 12 penetrates through the side wall of the whole rotating arm 1, the air outlet 12 is arranged at the opposite side of the connecting protrusion 21, when in use, the air outlet direction is perpendicular to the surface of glass, and an included angle alpha formed by a plane formed by the axis of the air outlet 12 to the rotating arm 1 and the axis of the connecting protrusion 21 is 0 DEG; the two ends of the rotating arm 1 are inclined planes, each inclined plane is provided with a strip-shaped inclined plane air outlet 22, and the inclined plane air outlets 22 are communicated with the air outlets 12; the lateral walls at two ends of the rotating arm 1 are provided with transverse air outlets 17, the included angles formed between the axes of the transverse air outlets 17 and the connecting protrusion 21 and the axes thereof are respectively 90 degrees and 270 degrees, and the two transverse air outlets 17 are respectively arranged at two sides of the axis of the rotating arm 1.
The device also comprises an electromagnet 13 deceleration system, which comprises an electromagnet 13 arranged on the side wall of the master arm 3 and magnetically permeable materials 14 arranged on the rotating arm 1, wherein two magnetically permeable materials 14 are symmetrically arranged relative to the connecting protrusion 21, the magnetically permeable materials 14 are matched with the electromagnet 13 in position, and the electromagnet 13 is connected with a power supply controller 15; the main control arm 3 is also provided with a position sensor 16 and a positioning motor 5.
Example 2:
the pneumatic rotary type automobile windshield wiper comprises a rotary arm 1, a master control arm 3, a water supply system and an air supply system, wherein the rotary arm 1 is connected with the master control arm 3 through a rolling bearing 2, the rotary arm 1 and the master control arm 3 which are arranged in a hollow mode are communicated with each other, and the other end of the master control arm 3 is connected with the water supply system and the air supply system; the main control arm 3 is hollow to form a transmission pipeline 4 or is provided with a tubular transmission pipeline 4, and the water supply system and the air supply system are connected with the transmission pipeline 4 through a Y-shaped three-way connector 18; the air supply system comprises an air pump 7 and a heater 20, and the air conduit 6 is used for sequentially connecting the air pump 7, the heater 20 and the Y-shaped three-way connector 18 in series; the water supply system comprises a water storage tank 11 and a water pump 8, and a water conduit 10 connects the water storage tank 11, the water pump 8, a one-way valve 9 and a Y-shaped three-way connector 18 in series in sequence.
The lateral wall of the rotating arm 1 is outwards protruded to be provided with a connecting protrusion 21, the lateral wall of the main control arm 3 is protruded to be provided with a connecting groove 19, the connecting protrusion 21 is connected with the connecting groove 19 through a rolling bearing 2, the connecting protrusion 21 is arranged in the middle of the rotating arm 1, and the connecting groove 19 is arranged at one end of the main control arm 3, so that the rotating arm 1 can circumferentially move around the outer end of the main control arm 3 by taking the center as the circle center.
As shown in fig. 11, the rotating arm 1 is provided with an air outlet 12, the air outlet 12 is formed by arranging a plurality of strip-shaped holes or dot-shaped holes, the air outlet 12 can be in a linear arrangement row or a plurality of rows according to the aperture size, the width or the diameter of the opening of the air outlet 12 is 0.5-0.8 mm, the air outlet 12 is arranged at the opposite side of the connecting protrusion 21, when in use, the air outlet direction is vertical to the surface of glass, and an included angle alpha formed by a plane formed by the air outlet 12 to the axis of the rotating arm 1 and the axis where the connecting protrusion 21 is located forms an included angle of 0 degrees; the two ends of the rotating arm 1 are inclined planes, each inclined plane is provided with a strip-shaped inclined plane air outlet 22, and the inclined plane air outlets 22 are communicated with the air outlets 12; the lateral walls at two ends of the rotating arm 1 are provided with transverse air outlets 17, the included angles formed between the axes of the transverse air outlets 17 and the connecting protrusion 21 and the axes thereof are respectively 90 degrees and 270 degrees, and the two transverse air outlets 17 are respectively arranged at two sides of the axis of the rotating arm 1.
The device also comprises an electromagnet 13 deceleration system, which comprises an electromagnet 13 arranged on the side wall of the master arm 3 and magnetically permeable materials 14 arranged on the rotating arm 1, wherein two magnetically permeable materials 14 are symmetrically arranged relative to the connecting protrusion 21, the magnetically permeable materials 14 are matched with the electromagnet 13 in position, and the electromagnet 13 is connected with a power supply controller 15; the main control arm 3 is also provided with a position sensor 16 and a positioning motor 5.
Example 3:
the pneumatic rotary type automobile windshield wiper comprises a rotary arm 1, a master control arm 3, a water supply system and an air supply system, wherein the rotary arm 1 is connected with the master control arm 3 through a rolling bearing 2, the rotary arm 1 and the master control arm 3 which are arranged in a hollow mode are communicated with each other, and the other end of the master control arm 3 is connected with the water supply system and the air supply system; the main control arm 3 is hollow to form a transmission pipeline 4 or is provided with a tubular transmission pipeline 4, and the water supply system and the air supply system are connected with the transmission pipeline 4 through a Y-shaped three-way connector 18; the air supply system comprises an air pump 7 and a heater 20, and the air conduit 6 is used for sequentially connecting the air pump 7, the heater 20 and the Y-shaped three-way connector 18 in series; the water supply system comprises a water storage tank 11 and a water pump 8, and a water conduit 10 connects the water storage tank 11, the water pump 8, a one-way valve 9 and a Y-shaped three-way connector 18 in series in sequence.
The lateral wall of the rotating arm 1 is provided with a connecting protrusion 21 in an outward protruding mode, the lateral wall of the master control arm 3 is provided with a connecting groove 19 in a protruding mode, the connecting protrusion 21 is embedded into the connecting groove 19 and connected through the rolling bearing 2, the connecting protrusion 21 is arranged in the middle of the rotating arm 1, and the connecting groove 19 is arranged at one end of the master control arm 3.
The rotating arm 1 is provided with two strip-shaped air outlets 12 which are respectively arranged on the side walls of the rotating arm 1 at two sides of the connecting protrusion 21, as shown in fig. 8, an acute angle alpha which is an acute angle formed between a plane formed by the air outlets 12 to the axis of the rotating arm 1 and the axis where the connecting protrusion 21 is positioned is 0 degree < alpha <90 degree; the two ends of the rotating arm 1 are inclined planes, the inclined planes are provided with inclined plane air outlets 22, and the inclined plane air outlets 22 are strip-shaped holes and are communicated with the air outlets 12. The two air outlets 12 are obliquely arranged and have transverse thrust, so that thrust for promoting the rotation of the rotating arm 1 can be provided in the air outlet process.
The device also comprises an electromagnet 13 deceleration system, which comprises an electromagnet 13 arranged on the side wall of the master arm 3 and magnetically permeable materials 14 arranged on the rotating arm 1, wherein two magnetically permeable materials 14 are symmetrically arranged relative to the connecting protrusion 21, the magnetically permeable materials 14 are matched with the electromagnet 13 in position, and the electromagnet 13 is connected with a power supply controller 15; the main control arm 3 is also provided with a position sensor 16 and a positioning motor 5.
Example 4
The pneumatic rotary type automobile windshield wiper comprises a rotary arm 1, a master control arm 3, a water supply system and an air supply system, wherein the rotary arm 1 is connected with the master control arm 3 through a rolling bearing 2, the rotary arm 1 and the master control arm 3 which are arranged in a hollow mode are communicated with each other, and the other end of the master control arm 3 is connected with the water supply system and the air supply system; the main control arm 3 is hollow to form a transmission pipeline 4 or is provided with a tubular transmission pipeline 4, and the water supply system and the air supply system are connected with the transmission pipeline 4 through a Y-shaped three-way connector 18; the air supply system comprises an air pump 7 and a heater 20, and the air conduit 6 is used for sequentially connecting the air pump 7, the heater 20 and the Y-shaped three-way connector 18 in series; the water supply system comprises a water storage tank 11 and a water pump 8, and a water conduit 10 connects the water storage tank 11, the water pump 8, a one-way valve 9 and a Y-shaped three-way connector 18 in series in sequence.
The lateral wall of the rotating arm 1 is provided with a connecting protrusion 21 in an outward protruding mode, the lateral wall of the master control arm 3 is provided with a connecting groove 19 in a protruding mode, the connecting protrusion 21 is embedded into the connecting groove 19 and connected through the rolling bearing 2, the connecting protrusion 21 is arranged in the middle of the rotating arm 1, and the connecting groove 19 is arranged at one end of the master control arm 3.
Two groups of strip-shaped air outlets 12 are arranged on the rotating arm 1, each group of air outlets 12 consists of a plurality of strip-shaped holes or dot-shaped holes which can be linearly arranged in one row or a plurality of rows according to the aperture size, and the two groups of air outlets are respectively arranged on the side walls of the rotating arm 1 at two sides of the connecting protrusion 21, as shown in fig. 9, an acute angle formed by a plane formed by the axes of the air outlets 12 to the rotating arm 1 and the axis of the connecting protrusion 21 is an angle alpha, namely an angle alpha, and the angle alpha is 0 degree <90 degree; the two ends of the rotating arm 1 are inclined planes, the inclined planes are provided with inclined plane air outlets 22, and the inclined plane air outlets 22 consist of a plurality of point holes; in order to assist the rotation of the rotating arm 1, two transverse air outlets 17 are simultaneously provided, the included angles formed between the axes of the transverse air outlets 17 and the connecting protrusion 21 and the axes thereof are respectively 90 degrees and 270 degrees, and the two transverse air outlets 17 are respectively arranged at two sides of the axis of the rotating arm 1.
The device also comprises an electromagnet 13 deceleration system, which comprises an electromagnet 13 arranged on the side wall of the master arm 3 and magnetically permeable materials 14 arranged on the rotating arm 1, wherein two magnetically permeable materials 14 are symmetrically arranged relative to the connecting protrusion 21, the magnetically permeable materials 14 are matched with the electromagnet 13 in position, and the electromagnet 13 is connected with a power supply controller 15; the main control arm 3 is also provided with a position sensor 16 and a positioning motor 5.
The foregoing describes the embodiments of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (9)
1. A pneumatic rotary automotive windshield wiper, characterized in that: the intelligent control device comprises a rotating arm, a master control arm, a water supply system and a gas supply system, wherein the rotating arm is connected with the master control arm through a bearing structure, the rotating arm and the master control arm which are arranged in a hollow mode are communicated with each other, and the other end of the master control arm is connected with the water supply system and the gas supply system;
the rotating arm is not contacted with the windshield, and the air outlet is arranged on the rotating arm to form an air knife, so that the aim of removing rain and snow foreign matters is fulfilled;
the side wall of the rotating arm is provided with a connecting protrusion in an outward protruding mode, and an included angle formed by a plane formed from the air outlet to the axis of the rotating arm and the axis where the connecting protrusion is located is set to be 0-90 degrees, wherein the included angle is 0-90 degrees and does not include 90 degrees;
when the angle alpha is 0 degree, a transverse air outlet is required to provide thrust for the rotating arm during rotation, the side walls at the two ends of the rotating arm are provided with the transverse air outlets, and the two transverse air outlets are respectively arranged at the two sides of the axis of the rotating arm.
2. The pneumatically-rotated automotive windshield wiper as recited in claim 1, wherein: the main control arm side wall is provided with a connecting groove in a protruding mode, and the connecting protrusion is connected with the connecting groove through a rolling bearing.
3. The pneumatically-rotated automotive windshield wiper as recited in claim 2, wherein: the air outlet comprises one, two or more strip-shaped holes or a plurality of point-shaped holes.
4. The pneumatically-rotated automotive windshield wiper as recited in claim 3, further comprising: the two ends of the rotating arm are inclined planes, the inclined planes are provided with inclined plane air outlets, and the inclined plane air outlets comprise one or more strip-shaped holes or one or more dot-shaped holes.
5. The pneumatically-rotated automotive windshield wiper as recited in claim 3, further comprising: and when the angle alpha is not 0, the lateral walls at the two ends of the rotating arm are provided with the transverse air outlets, and the two transverse air outlets are respectively arranged at the two sides of the axis of the rotating arm.
6. The air-operated rotary automotive windshield wiper as recited in any one of claims 1-5, wherein: the main control arm is internally hollow to form a transmission pipeline or is provided with a tubular transmission pipeline, and the water supply system and the air supply system are connected with the transmission pipeline through a Y-shaped three-way connector.
7. The pneumatically-rotated automotive windshield wiper as recited in claim 6 wherein: the air supply system comprises an air pump and a heater, and an air conduit connects the air pump, the heater and the Y-shaped three-way connector in series in sequence;
the water supply system comprises a water storage tank and a water pump, and the water storage tank, the water pump, the one-way valve and the Y-shaped three-way connector are connected in series through a water guide pipe in sequence.
8. The pneumatically-rotated automotive windshield wiper as recited in claim 6 wherein: the electromagnetic speed reducing system comprises an electromagnet arranged on the side wall of the main control arm and magnetically permeable materials arranged on the rotating arm, wherein the magnetically permeable materials are symmetrically arranged in two relative to the connecting protrusions, the magnetically permeable materials are matched with the electromagnet in position, and the electromagnet is connected with a power supply controller.
9. The pneumatically-rotated automotive windshield wiper as recited in claim 6 wherein: and the main control arm is also provided with a position sensor and a positioning motor.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010251181.0A CN111391788B (en) | 2020-04-01 | 2020-04-01 | Pneumatic rotary type automobile windshield wiper |
| PCT/CN2021/079998 WO2021197007A1 (en) | 2020-04-01 | 2021-03-10 | Pneumatic rotary automotive windscreen wiper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010251181.0A CN111391788B (en) | 2020-04-01 | 2020-04-01 | Pneumatic rotary type automobile windshield wiper |
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| Publication Number | Publication Date |
|---|---|
| CN111391788A CN111391788A (en) | 2020-07-10 |
| CN111391788B true CN111391788B (en) | 2023-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010251181.0A Active CN111391788B (en) | 2020-04-01 | 2020-04-01 | Pneumatic rotary type automobile windshield wiper |
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| Country | Link |
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| CN (1) | CN111391788B (en) |
| WO (1) | WO2021197007A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111391788B (en) * | 2020-04-01 | 2023-12-05 | 屈政 | Pneumatic rotary type automobile windshield wiper |
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| US5537705A (en) * | 1989-03-29 | 1996-07-23 | Battlogg; Stefan | Windscreen wiper system with blade capable of moving in a swivelling and parallel manner relative to the wiper arm |
| CN102529893A (en) * | 2011-10-22 | 2012-07-04 | 浙江吉利汽车研究院有限公司 | Wiper with defrosting and dedusting functions |
| CN203666594U (en) * | 2014-01-10 | 2014-06-25 | 张楠 | Horizontally-pushing type air-blowing windshield wiper |
| CN104125899A (en) * | 2011-12-29 | 2014-10-29 | 费德罗-莫格尔公司 | Wind screen wiper device |
| CN107313896A (en) * | 2017-09-04 | 2017-11-03 | 苏仲衡 | A kind of diversification clean energy resource Intelligent generating set |
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| CN102616210A (en) * | 2012-04-13 | 2012-08-01 | 陆丕贤 | Multi-purpose pneumatic windshield wiper |
| CN103057521B (en) * | 2013-01-31 | 2015-06-17 | 林水龙 | Windscreen wiper |
| CN205930649U (en) * | 2016-08-16 | 2017-02-08 | 肖蕾 | Clean windshield wiper of car windshield |
| CN106218589B (en) * | 2016-09-12 | 2018-02-23 | 衢州昀睿工业设计有限公司 | A kind of jet-impingement wiper |
| CN109398317A (en) * | 2018-10-16 | 2019-03-01 | 郑冬琳 | Anti-tampering wiper mixing cleaning plant |
| CN109305135A (en) * | 2018-11-02 | 2019-02-05 | 成都天兴汽车零部件有限公司 | Air-flowing type vehicle windshield wiper |
| CN209904717U (en) * | 2018-11-23 | 2020-01-07 | 杭州职业技术学院 | Automobile windshield wiper capable of conveniently cleaning rear window glass |
| CN110171394A (en) * | 2019-06-25 | 2019-08-27 | 安徽佰尧电子科技有限公司 | A kind of high pressure draught vehicle wiper |
| CN111391788B (en) * | 2020-04-01 | 2023-12-05 | 屈政 | Pneumatic rotary type automobile windshield wiper |
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2020
- 2020-04-01 CN CN202010251181.0A patent/CN111391788B/en active Active
-
2021
- 2021-03-10 WO PCT/CN2021/079998 patent/WO2021197007A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5537705A (en) * | 1989-03-29 | 1996-07-23 | Battlogg; Stefan | Windscreen wiper system with blade capable of moving in a swivelling and parallel manner relative to the wiper arm |
| CN102529893A (en) * | 2011-10-22 | 2012-07-04 | 浙江吉利汽车研究院有限公司 | Wiper with defrosting and dedusting functions |
| CN104125899A (en) * | 2011-12-29 | 2014-10-29 | 费德罗-莫格尔公司 | Wind screen wiper device |
| CN203666594U (en) * | 2014-01-10 | 2014-06-25 | 张楠 | Horizontally-pushing type air-blowing windshield wiper |
| CN107313896A (en) * | 2017-09-04 | 2017-11-03 | 苏仲衡 | A kind of diversification clean energy resource Intelligent generating set |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111391788A (en) | 2020-07-10 |
| WO2021197007A1 (en) | 2021-10-07 |
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