CN110861612B - Windscreen wiper shaft assembly and windscreen wiper - Google Patents
Windscreen wiper shaft assembly and windscreen wiper Download PDFInfo
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- CN110861612B CN110861612B CN201911231309.0A CN201911231309A CN110861612B CN 110861612 B CN110861612 B CN 110861612B CN 201911231309 A CN201911231309 A CN 201911231309A CN 110861612 B CN110861612 B CN 110861612B
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- wiper
- telescopic
- output shaft
- shaft
- telescopic driving
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/34—Protecting non-occupants of a vehicle, e.g. pedestrians
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/34—Protecting non-occupants of a vehicle, e.g. pedestrians
- B60R2021/343—Protecting non-occupants of a vehicle, e.g. pedestrians using deformable body panel, bodywork or components
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
The invention discloses a wiper shaft assembly and a wiper, wherein the wiper shaft assembly comprises: the windscreen wiper shaft structure comprises a windscreen wiper input shaft and a windscreen wiper output shaft movably sleeved on the windscreen wiper input shaft; the telescopic driving structure comprises a telescopic driving frame and a telescopic driving main body arranged on the telescopic driving frame, and the telescopic driving main body is connected with the wiper output shaft; and the telescopic control device comprises an object sensing mechanism corresponding to the outer end part of the wiper output shaft and a control circuit electrically connected with the object sensing mechanism, and the control circuit is electrically connected with the telescopic driving main body. The windscreen wiper shaft and the windscreen wiper provided by the invention can be selectively contracted during collision, so that the technical problems that the traditional windscreen wiper shaft is easy to cause huge damage to pedestrians during collision, is difficult to maintain after collision and the like are solved, and the windscreen wiper is worthy of popularization.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to a wiper shaft assembly and a wiper.
Background
The rapid development of the automobile industry makes automobiles become common transportation means for people in daily life, and as the number of automobiles increases, traffic accidents are more frequent. Therefore, automobile manufacturers are also increasingly focusing on the development of automobile safety. In a common traffic accident, when an automobile collides with a pedestrian outside the automobile, the pedestrian moves in such a way that the leg of the pedestrian firstly contacts with the bumper and the hood of the automobile, then the pedestrian topples backwards, and finally the head of the pedestrian contacts with a hard part such as the hood and windshield glass, so that the head of the pedestrian is seriously injured. Thus, the injury value of the head is reduced during a pedestrian impact, and the mortality rate in a pedestrian impact accident can be reduced.
Research shows that the downward movement space of the head is enlarged when the head is collided, and the collision between the head and parts with higher strength is even avoided, so that the injury to the head of a pedestrian is reduced. Traditional windscreen wiper axle is passive passing through conquassation groove or jump ring as conquassation device, but the conquassation power of this kind of device is difficult to control at fixed range, and the scope deviation is great, causes not conquassation behind the collision and can not play the effect of protection personnel. And is not easy to maintain after crushing. Therefore, an active wiper shaft which is easy to maintain and can control the crushing distance becomes a development trend.
Disclosure of Invention
The invention mainly aims to provide a wiper shaft assembly and a wiper, and aims to solve the technical problems that a traditional wiper shaft assembly is easy to damage pedestrians and is difficult to maintain when in collision.
In order to achieve the above object, the present invention provides a wiper shaft assembly, including:
the windscreen wiper shaft structure comprises a windscreen wiper input shaft and a windscreen wiper output shaft movably sleeved on the windscreen wiper input shaft;
the telescopic driving structure comprises a telescopic driving frame and a telescopic driving main body arranged on the telescopic driving frame, and the telescopic driving main body is connected with the wiper output shaft; and the number of the first and second groups,
the telescopic control device comprises an object sensing mechanism corresponding to the outer end part of the wiper output shaft and a control circuit electrically connected with the object sensing mechanism, and the control circuit is electrically connected with the telescopic driving main body.
Optionally, the flexible drive frame includes the mount and locates telescopic tube on the mount, the windscreen wiper output shaft wears to locate in the telescopic tube, flexible drive main part is located on the telescopic tube inner wall, and with the windscreen wiper output shaft is connected.
Optionally, the telescopic driving main body comprises an electromagnet and a magnet which are respectively located at two ends of an inner cavity of the telescopic sleeve, the electromagnet is connected to the inner wall of the telescopic sleeve and electrically connected with the control circuit, and the magnet is connected to the circumferential side face of the wiper output shaft and corresponds to the electromagnet.
Optionally, the electromagnet is provided as an annular electromagnetic ring, and the magnet is provided as an annular magnet ring;
the magnet ring is sleeved on the wiper output shaft and has a movable gap with the inner wall of the telescopic sleeve, and the electromagnetic ring is connected on the inner wall of the telescopic sleeve in a penetrating manner and is movably sleeved outside the wiper input shaft.
Optionally, the telescopic driving frame comprises a limiting block protruding from the inner wall of the telescopic sleeve, and the limiting block is located outside the magnet.
Optionally, the telescopic driving frame comprises an elastic gasket arranged at the end part of the wiper output shaft, and the elastic gasket is positioned in the telescopic sleeve and between the magnet and the electromagnet.
Optionally, the telescopic driving structure further comprises an elastic resetting piece arranged in the telescopic sleeve, and the elastic resetting piece is arranged between the electromagnet and the magnet.
Optionally, the control circuit comprises a main controller, and a magnetic field generating device connected with the main controller, the magnetic field generating device being electrically connected with the electromagnet.
Optionally, the object sensing mechanism includes a pedestrian proximity sensor disposed at a front end of the vehicle body, and the pedestrian proximity sensor is electrically connected to the main controller.
The invention also provides a windscreen wiper on the basis of the windscreen wiper shaft assembly, which comprises all the technical characteristics of the windscreen wiper shaft assembly.
According to the technical scheme, when collision occurs, the wiper output shaft can stretch downwards, and the telescopic wiper shaft structure provides a larger buffer space for collision, so that severe collision is prevented; the object sensing structure can sense and analyze object information and judge whether collision can occur or not and the volume of an object to be collided, so that the control circuit electrically connected with the object sensing structure is controlled to control the contraction of the output shaft of the wiper and the contraction distance; when the collision is finished, the control circuit is disconnected, the output shaft of the wiper returns to the original position, the wiper is not required to be maintained again, and the maintenance cost is saved. Compared with the traditional technology, the windscreen wiper with the windscreen wiper shaft assembly provided by the invention has the advantages that the telescopic distance is easier to control, the effect is better, the maintenance is more convenient, and the popularization is worth.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a partially cut-away perspective view of one embodiment of a wiper shaft assembly provided by the present invention;
FIG. 2 is a front view of a partial structure of one embodiment of a wiper shaft assembly provided in the present invention;
fig. 3 is a partial schematic structural side view of a wiper shaft assembly according to an embodiment of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | Windscreen |
22 | |
| 1 | Windscreen |
23 | |
| 10 | |
24 | |
| 101 | Swing arm of |
25 | Elastic gasket |
| 11 | Windscreen |
3 | |
| 111 | Wiper motor |
30 | |
| 2 | |
31 | |
| 20 | Telescopic |
32 | |
| 21 | Telescopic sleeve |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Research shows that the downward movement space of the head is enlarged when the head is collided, and the collision between the head and parts with higher strength is even avoided, so that the injury to the head of a pedestrian is reduced. Traditional windscreen wiper axle is passive passing through conquassation groove or jump ring as conquassation device, but the conquassation power of this kind of device is difficult to control at fixed range, and the scope deviation is great, causes not conquassation behind the collision and can not play the effect of protection personnel. And is not easy to maintain after crushing. Therefore, an active wiper shaft which is easy to maintain and can control the crushing distance becomes a development trend.
In view of the above, the present invention provides a wiper shaft assembly and a wiper, fig. 1 is a partially cut-away perspective view of an embodiment of the wiper shaft assembly provided by the present invention; FIG. 2 is a front view of a partial structure of one embodiment of a wiper shaft assembly provided in the present invention; fig. 3 is a partial schematic structural side view of a wiper shaft assembly according to an embodiment of the present invention.
Specifically, please refer to fig. 1. The wiper shaft assembly 100 of the present embodiment includes a wiper shaft structure 1, where the wiper shaft structure 1 includes a wiper input shaft 11 and a wiper output shaft 10 movably sleeved on the wiper input shaft 11; as shown in the figure, the inside of the wiper output shaft 10 is provided with a containing cavity for installing the wiper input shaft 11, and the depth of the containing cavity is greater than the radial length of the wiper input shaft 11, so that sufficient space is provided for the extension and retraction of the wiper input shaft 11; the wiper shaft assembly 100 further comprises a telescopic driving structure 2, the telescopic driving structure 2 comprises a telescopic driving frame 20 and a telescopic driving main body arranged on the telescopic driving frame 20, the telescopic driving main body is connected with the wiper output shaft 10, it is to be noted that the wiper shaft structure 1 cannot be actively contracted, the effect of driving the wiper shaft structure 1 to be contracted is achieved by arranging the telescopic driving main body, and the telescopic driving frame 20 is used for installing the telescopic driving main body and further playing a protection effect on the telescopic driving main body; the wiper shaft assembly 100 further includes a telescopic control device 3 for controlling the telescopic movement of the telescopic driving structure 2, the telescopic movement of the wiper shaft being determined as the case may be, when collision occurs or is about to occur, the wiper shaft structure 1 contracts to achieve the effect of avoiding collision, at the moment, the telescopic control device 3 is required to identify, collide and control contraction, the telescopic control device 3 comprises an object sensing mechanism corresponding to the outer end part of the wiper output shaft 10, the object sensing mechanism is used for sensing collision or sensing impending collision so as to issue an instruction, meanwhile, the telescopic control device 3 also comprises a control circuit electrically connected with the object sensing mechanism, the control circuit is electrically connected with the telescopic driving main body, when the object induction structure senses the collision, the control circuit controls the telescopic driving structure 2 to drive the wiper shaft structure 1 to stretch so as to achieve the effect of avoiding the wiper shaft from being greatly collided.
In this embodiment, flexible actuating rack 20 includes the mount and locates the telescope tube 21 on the mount, and the above-mentioned, flexible actuating rack 20 also can play the effect of the flexible drive structure 2 of protection, and the sleeve has played comparatively comprehensive protection to flexible drive structure 2, has also protected windscreen wiper axle construction 1 to a certain extent simultaneously, has reached better structural stability. As shown in the figure, the wiper output shaft 10 is inserted into the telescopic sleeve 21, and the telescopic driving body is mounted on the inner wall of the telescopic sleeve 21 and connected to the wiper output shaft 10.
In the present invention, the contraction of the wiper shaft structure 1 is mainly completed by the wiper output shaft 10, and as mentioned above, the wiper output shaft 10 has a receiving cavity inside for the wiper input shaft 11 to be installed, and the depth of the receiving cavity is greater than the radial length of the wiper input shaft 11, in this case, the wiper output shaft 10 can be contracted downwards. In this embodiment, the telescopic driving body includes an electromagnet and a magnet respectively located at two ends of the inner cavity of the telescopic sleeve 21, the electromagnet is connected to the inner wall of the telescopic sleeve 21 and electrically connected to the control circuit, and the magnet is connected to the circumferential side surface of the wiper output shaft 10 and corresponds to the electromagnet. As is well known, when the electromagnet is powered on, magnetic force is generated, and the electromagnet can attract or repel the magnet through the magnetic force, in this embodiment, the electromagnet is installed on the inner wall of the telescopic driving sleeve, the magnet is connected to the side surface of the circumference of 10 of the wiper output shaft, when current passes through the electromagnet, the electromagnet and the magnet directly generate magnetic pole action, so as to achieve the effect of attraction or repulsion, and achieve the effect of shrinking the wiper shaft structure 1 in the present invention. It should be noted that, in the conventional technology, for example, a snap spring type or a notch type, the crushing force is often much higher than a designed value during production, the production process is difficult to meet the design requirement, the deviation is not easy to control, and the problem that the crushing force cannot be crushed during collision or the service life of the wiper shaft is affected due to too low crushing force is easily caused. For the electromagnetic control type crushable wiper shaft assembly, the control effect is relatively better.
Further, referring to fig. 3, in the present embodiment, the electromagnet is an annular electromagnetic ring 23, and the magnet is an annular magnet ring 24; the magnet ring 24 is sleeved on the wiper output shaft 10 and has a movable gap with the inner wall of the telescopic sleeve 21, and the electromagnetic ring 23 is penetrated on the inner wall of the telescopic sleeve 21 and movably sleeved outside the wiper input shaft 11. It should be noted that the magnetic ring is not the only embodiment, and the magnetic blocks disposed on two sides or one side can also be used. However, since the wiper input shaft 11 and the wiper output shaft 10 are both cylindrical, the annular electromagnet or magnet can achieve better implementation effect. In this embodiment, one end of the magnet ring 24 forms a sliding gap with the telescopic sleeve 21, the other end of the magnet ring is fixedly connected with the outer side wall of the wiper output shaft 10, the outer side wall of the electromagnetic ring 23 is fixedly connected with the telescopic sleeve 21, the inner ring is movably sleeved on the wiper output shaft 10, and when the magnet ring 24 and the electromagnetic ring 23 attract each other, the magnet ring 24 moves downwards to drive the wiper output shaft 10 to move downwards, so that the effect of shrinking the wiper output shaft 10 is achieved. It can be understood that when the wiper output shaft 10 needs to return to the original position, the magnetic pole direction of the electromagnetic ring 23 is only changed to achieve the mutual exclusion effect of the electromagnetic ring 23 and the magnet ring 24, and at this time, the wiper output shaft 10 can return to the original position.
As described above, when the wiper output shaft 10 needs to return to the original position, the magnetic pole direction of the electromagnet ring 23 is changed, and a strong repulsive force is generated to return the wiper output shaft 10 to the original position. However, when the repulsive force is large, the wiper output shaft 10 may be separated from the original position to affect the use effect or cause structural damage. In the present invention, the telescopic driving frame 20 includes a limiting block protruding from the inner wall of the telescopic sleeve 21, and the limiting block is located outside the magnet. In this embodiment, referring to fig. 3, the inner wall surface of the telescopic sleeve 21 is located on the upper end surface of the electromagnet, and an annular limiting ring 22 is disposed on the inner wall surface, and the limiting ring 22 effectively prevents the wiper output shaft 10 from being separated from the original position when being reset.
Further, the telescopic driving frame 20 further comprises an elastic pad 25 disposed at an end of the wiper output shaft 10, wherein the elastic pad 25 is disposed in the telescopic sleeve 21 and between the magnet and the electromagnet. In the present embodiment, the wiper output shaft 10 and the wiper input shaft 11 are movably connected by a spline, but in some cases, the wiper output shaft 10 may be displaced and slide downward, which may affect the use effect, in the present embodiment, the elastic pad 25 is disposed inside the telescopic sleeve 21, which may further prevent the displacement of the wiper output shaft 10 and also play a certain role in buffering the contraction of the wiper output shaft 10.
As mentioned above, when the wiper output shaft 10 needs to return to the original position, the magnetic poles of the electromagnets can be changed by changing the current direction, so as to achieve mutual exclusion to return the wiper output shaft 10 to the original position. It should be noted that a return member similar to a spring can achieve the above-mentioned effects. In the present invention, the telescopic driving structure 2 further comprises an elastic restoring member disposed in the telescopic sleeve 21, the elastic restoring member is disposed between the electromagnet and the magnet, it can be understood that, the inner wall surface of the telescopic sleeve 21, between the electromagnetic ring 23 and the magnet ring 24, along the extending direction of the wiper output shaft 10, is provided with a plurality of springs, when the wiper output shaft 10 contracts downwards, the springs elastically deform, and when the circuit is cut off, the restoring force of the springs makes the wiper output shaft 10 return to the original position.
Further, the control circuit includes a main controller 31 and a magnetic field generating device connected to the main controller 31, the magnetic field generating device is electrically connected to the electromagnet, the magnetic field generating device can enable the electromagnet to generate magnetic force to achieve the implementation effect of the present invention, the magnetic field generating device can be various, and in this embodiment, the magnetic field generating device is a current generator 30. As mentioned above, the object sensing mechanism of the present invention can sense a collision or an impending collision and analyze the volume of the colliding object to adjust the contraction displacement. In this embodiment, when the object response mechanism response collision dynamics is great, or when being about to produce the object volume of collision great, the master controller can control current generator 30 and increase the electric current, increases the flexible distance of windscreen wiper output shaft 10, leaves great space, and is less when the collision dynamics, perhaps the collision object volume is less, then can correspondingly reduce output current.
Further, the object sensing mechanism is close the inductor 32 including locating the pedestrian of automobile body front end, and the pedestrian is close the inductor 32 and is connected main control unit 31 electrically, and when the pedestrian was less than safe distance apart from the locomotive, the pedestrian was close the inductor 32 and can control main control unit 31 and carry out corresponding shrink instruction. It should be further noted that, in the present embodiment, the main controller 31 should be provided with a reset switch, and after the collision is over, the current direction of the current generator 30 can be changed by pressing the reset switch, so as to achieve the effect of resetting the wiper output shaft 10.
The invention further provides a wiper, which includes the wiper shaft assembly 100, the structure of the wiper is not shown in this embodiment, please refer to fig. 1, a wiper swing arm 101 is disposed at the upper end of a wiper output shaft 10, and a wiper motor output link 111 is connected to the lower end of a wiper input shaft 11, which can reflect the connection effect between the wiper shaft assembly 100 and the wiper more easily.
According to the technical scheme, when collision occurs, the wiper output shaft 10 can stretch downwards, and the telescopic wiper shaft structure 1 provides a larger buffer space for collision, so that severe collision is prevented; the object sensing structure can sense and analyze object information and judge whether collision can occur or not and the volume of an object to be collided, so that the control circuit electrically connected with the object sensing structure is controlled to control the contraction of the wiper output shaft 10 and the contraction distance; when the collision is over, the control circuit is disconnected, the wiper output shaft 10 returns to the original position, and the maintenance is not needed again, so that the maintenance cost is saved. Compared with the traditional technology, the wiper shaft assembly 100 and the wiper provided by the invention have the advantages that the telescopic distance is easier to control, the effect is better, the maintenance is more convenient, and the popularization is worth.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. A wiper shaft assembly, comprising:
the windscreen wiper shaft structure comprises a windscreen wiper input shaft and a windscreen wiper output shaft movably sleeved on the windscreen wiper input shaft;
the telescopic driving structure comprises a telescopic driving frame and a telescopic driving main body arranged on the telescopic driving frame, and the telescopic driving main body is connected with the wiper output shaft; and the number of the first and second groups,
the telescopic control device comprises an object sensing mechanism corresponding to the outer end part of the wiper output shaft and a control circuit electrically connected with the object sensing mechanism, and the control circuit is electrically connected with the telescopic driving main body;
the telescopic driving frame comprises a fixed frame and a telescopic sleeve arranged on the fixed frame, the wiper output shaft is arranged in the telescopic sleeve in a penetrating manner, and the telescopic driving main body is arranged on the inner wall of the telescopic sleeve and connected with the wiper output shaft;
the telescopic driving main body comprises an electromagnet and a magnet which are respectively positioned at two ends of an inner cavity of the telescopic sleeve, the electromagnet is connected to the inner wall of the telescopic sleeve and is electrically connected with the control circuit, and the magnet is connected to the circumferential side surface of the wiper output shaft and corresponds to the electromagnet;
the electromagnet is an annular electromagnetic ring, and the magnet is an annular magnet ring; the magnetic ring is sleeved on the wiper output shaft and has a movable gap with the inner wall of the telescopic sleeve, and the electromagnetic ring is penetrated on the inner wall of the telescopic sleeve and movably sleeved outside the wiper input shaft; the telescopic driving frame comprises a limiting block which is arranged on the inner wall of the telescopic sleeve in a protruding mode, and the limiting block is located on the outer side of the magnet;
wherein the direction of the current within the electromagnet is changed such that the electromagnet and the magnet attract or repel each other.
2. The wiper shaft assembly of claim 1 wherein said telescoping drive carriage includes a resilient pad disposed at an end of said wiper output shaft, said resilient pad being disposed within said telescoping sleeve and between said magnet and said electromagnet.
3. The wiper shaft assembly of claim 1 wherein said telescoping drive structure further includes a resilient return member disposed in said telescoping sleeve, said resilient return member being disposed between said electromagnet and said magnet.
4. The wiper shaft assembly of claim 1 wherein the control circuit includes a main controller and a magnetic field generating device connected to the main controller, the magnetic field generating device being electrically connected to the electromagnet.
5. The wiper shaft assembly of claim 4 wherein the object sensing mechanism includes a pedestrian proximity sensor disposed at the front end of the body, the pedestrian proximity sensor being electrically connected to the main controller.
6. A wiper blade comprising the wiper shaft assembly of any of claims 1 through 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911231309.0A CN110861612B (en) | 2019-12-03 | 2019-12-03 | Windscreen wiper shaft assembly and windscreen wiper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911231309.0A CN110861612B (en) | 2019-12-03 | 2019-12-03 | Windscreen wiper shaft assembly and windscreen wiper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110861612A CN110861612A (en) | 2020-03-06 |
| CN110861612B true CN110861612B (en) | 2021-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911231309.0A Active CN110861612B (en) | 2019-12-03 | 2019-12-03 | Windscreen wiper shaft assembly and windscreen wiper |
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| CN (1) | CN110861612B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114951188B (en) * | 2022-05-09 | 2023-04-14 | 江苏集萃智能光电***研究所有限公司 | Device and method for cleaning viewport of train wheel set |
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| CN202106939U (en) * | 2011-04-14 | 2012-01-11 | 浙江吉利汽车研究院有限公司 | Windscreen wiper shaft capable of conquassation |
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| CN110861612A (en) | 2020-03-06 |
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