CN109094525A - Windscreen wiper axle assembly structure and automobile - Google Patents
Windscreen wiper axle assembly structure and automobile Download PDFInfo
- Publication number
- CN109094525A CN109094525A CN201810904898.3A CN201810904898A CN109094525A CN 109094525 A CN109094525 A CN 109094525A CN 201810904898 A CN201810904898 A CN 201810904898A CN 109094525 A CN109094525 A CN 109094525A
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- China
- Prior art keywords
- rain brush
- sleeve
- main shaft
- rotation section
- helical spring
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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
- B60S1/06—Wipers or the like, e.g. scrapers characterised by the drive
- B60S1/16—Means for transmitting drive
- B60S1/18—Means for transmitting drive mechanically
-
- 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
- B60S1/06—Wipers or the like, e.g. scrapers characterised by the drive
- B60S1/08—Wipers or the like, e.g. scrapers characterised by the drive electrically driven
- B60S1/0818—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like
- B60S1/0822—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like characterized by the arrangement or type of detection means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Vibration Dampers (AREA)
- Cleaning In General (AREA)
Abstract
The present invention provides a kind of windscreen wiper axle assembly structure and automobiles, are related to the technical field of automobile, including rain brush main shaft, sleeve assembly, wiper arm, helical spring and electromagnet；Sleeve assembly is internally provided with accommodating cavity, rain brush main shaft passes through accommodating cavity, and it is stretched out respectively along the both ends of sleeve assembly length direction, helical spring is located in accommodating cavity, electromagnet is close to one end of rain brush main shaft, by when automobile front sensors detect automobile and pedestrian collides, automobile ECU sends signal to electromagnet, electromagnet generates attraction, attraction overcomes the spring force of helical spring, rain brush main shaft moves downward under the action of electromagnet electromagnetic attraction, it alleviates bracket lateral stiffness deficiency existing in the prior art or durability is bad, easily there is fatigue fracture phenomenon；And the cushion space of collision is smaller, has nonrepeatability, the high technical problem of replacement cost；A large amount of space has been conceded, has been played a very good protection to pedestrian.
Description
Technical field
The present invention relates to automobile technical fields, more particularly, to a kind of windscreen wiper axle assembly structure and automobile.
Background technique
With the fast development of automotive engineering, automobile is increasingly looked forward to the protection of pedestrian related to country by the common people, vehicle
The concern and attention of mechanism.National standard and C-NCAP, Euro-NCAP etc. also propose requirement and examination to the pedestrian protecting of vehicle
Proved recipe method, rain brush is also known as wiper, water is dialled, wiper or windscreen-wiper, is to keep out the wind for brushing except being attached to vehicle
The equipment of raindrop and dust on glass increases traffic safety to improve the visibility of driver.Due to wiper axis rigidity
Larger, in the collision of vehicle and pedestrian, the head of pedestrian will appear the phenomenon that encountering windscreen wiper axis, in this case the meeting of windscreen wiper axis
Very big reaction force is generated to pedestrian head, and head is caused serious injury.Windscreen wiper axis is as one in experimental test
Hard spot can also reduce the score of pedestrian protecting, reduce the security performance of vehicle.
Pass through branch respectively between the both ends and two bracket stationary planes of the windscreen wiper axis stationary plane of rain brush in the prior art
Support face connects, and is provided with induction slot in the transverse direction of supporting surface；Pass through supporting surface by windscreen wiper axis stationary plane, two sides and lower layer two sides
The bracket that is formed of bracket stationary plane, windscreen wiper axis is fixed to windscreen lower beam and the car body components such as flowing water groove bottom of automobile
On, when windscreen wiper axis receives the impact force of vertical direction, supporting surface is forced to occur bending and deformation, absorb impact energy, reduction is hit
Power is hit, the reaction force of windscreen wiper axis is reduced.
But presence of the bracket of rain brush axle construction in the prior art due to inducing slot, it will lead to bracket lateral stiffness
Insufficient or durability is bad, automobile easily causes the shaking of pedestal upper end and windscreen wiper axis when in bumpy road, and bracket is long-term
It shakes easily to cause to induce at slot and fatigue fracture phenomenon occurs；Secondly as the induction vertical distance of slot is smaller, encounter in pedestrian head
When windscreen wiper axis induce slot deform offer cushion space it is smaller, the ability for absorbing collision energy is limited；Meanwhile the bracket has
There is nonrepeatability, once induction slot occurs bending and deformation, can not just restore, belong to disposable products, be replaced with the later period
This problem, or more difficult corresponding bracket component is found after vehicle updates.
Summary of the invention
The purpose of the present invention is to provide windscreen wiper axle assembly structure and automobiles, horizontal to alleviate bracket existing in the prior art
It is bad to insufficient rigidity or durability, easily there is fatigue fracture phenomenon；And the cushion space of collision is smaller, having can not weigh
Renaturation, the high technical problem of replacement cost.
A kind of windscreen wiper axle assembly structure provided by the invention, comprising: rain brush main shaft, sleeve assembly, wiper arm, spiral bullet
Spring and rotation section；
Sleeve assembly is internally provided with accommodating cavity, and rain brush main shaft passes through accommodating cavity, and along sleeve assembly length direction
Both ends are stretched out respectively, and one end that rain brush main shaft stretches out sleeve assembly is connect with wiper arm, and rain brush main shaft is located at the another of accommodating cavity
One end is provided with rain brush crown of roll platform；
Helical spring is located in accommodating cavity, and helical spring is sheathed on outside rain brush main shaft, the both ends difference of helical spring
It is abutted with the inner wall of sleeve assembly and rain brush crown of roll platform, helical spring has pretightning force；
Sleeve assembly and electromagnet are connect with vehicle body, and electromagnet is connected with one end of wiper arm close to rain brush main shaft,
Electromagnet is electrically connected with automobile ECU, and the front sensor of automobile is used to detect the collision of automobile and pedestrian or two wheeler bicyclist
Information, and this collision information is transferred at automobile ECU, automobile ECU is for controlling electromagnet energization, to pass through electromagnet suction
Attached rain brush main shaft is mobile to vehicle body lower section.
Further, windscreen wiper axle assembly structure provided by the invention, further includes rotation section；
The rotation section is sheathed on outside the rain brush main shaft, and the both ends of the helical spring respectively with the sleeve group
The inner wall of part and the rotation section abut, so that the rotation section is abutted with the rain brush crown of roll platform；The rotation section is for subtracting
Small friction between the windscreen wiper crown of roll platform and the helical spring.
Further, rotation section includes the first rotation section and the second rotation section, and the first rotation section and the second rotation section cover
Outside rain brush main shaft, and the first rotation section and the second rotation section are respectively arranged at the two sides of rain brush crown of roll platform, helical spring
It is abutted with the second rotation section, helical spring is for abutting the second rotation section with rain brush crown of roll platform and being used to make rain brush crown of roll platform
It is abutted by the first rotation section with the inner wall of sleeve assembly.
Further, gasket is provided between the second rotation section and helical spring, helical spring is applied to by gasket
On two rotation sections.
Further, the first rotation section and the second rotation section are ball.
Further, sleeve assembly includes rain brush shaft sleeve and socket cover；
One end of rain brush shaft sleeve is provided with opening, and socket cover is connect with the open end of rain brush shaft sleeve, rain brush shaft sleeve
The other end be provided with first through hole, the second through-hole is provided in socket cover, rain brush main shaft passes through first through hole and second respectively
Through-hole stretches out respectively along the both ends of rain brush shaft sleeve；
First rotary part is between socket cover and rain brush crown of roll platform.
Further, rain brush shaft sleeve includes sleeve body, sleeve upper bracket and sleeve lower bracket；
Sleeve body is connect with socket cover, and the second through-hole is located at the one end of sleeve body far from socket cover, sleeve upper bracket
Positioned at sleeve body close to one end of socket cover, sleeve lower bracket is located at sleeve body close to one end of the second through-hole, and sleeve
Upper bracket and sleeve lower bracket are connect with the side wall of sleeve body；
Sleeve body is connect by sleeve upper bracket and sleeve lower bracket with vehicle body.
Further, one end that rain brush main shaft stretches out the second through-hole is provided with spline, and rain brush main shaft passes through spline and rain brush
Rocker arm connection.
Further, one end that rain brush main shaft stretches out first through hole is provided with taper spline, and rain brush main shaft passes through taper flower
Key is connect with windscreen wiper.
A kind of automobile provided by the invention, including above-mentioned windscreen wiper axle assembly structure.
A kind of windscreen wiper axle assembly structure provided by the invention, comprising: rain brush main shaft, sleeve assembly, wiper arm, spiral bullet
Spring and rotation section；Sleeve assembly is internally provided with accommodating cavity, and rain brush main shaft passes through accommodating cavity, and along sleeve assembly length direction
Both ends stretch out respectively, rain brush main shaft stretch out sleeve assembly one end connect with wiper arm, rain brush main shaft is located at accommodating cavity
The other end is provided with rain brush crown of roll platform；Helical spring is located in accommodating cavity, and helical spring is sheathed on outside rain brush main shaft, spiral
The both ends of spring are abutted with the inner wall of sleeve assembly and rain brush crown of roll platform respectively, and helical spring has pretightning force；Sleeve assembly and
Electromagnet is connect with vehicle body, and electromagnet is connected with one end of wiper arm close to rain brush main shaft, and electromagnet is electrically connected with automobile ECU
It connects, the front sensor of automobile is used to detect the information of the collision of automobile and pedestrian or two wheeler bicyclist, and this collision is believed
Breath is transferred at automobile ECU, automobile ECU for controlling electromagnet energization, with by electromagnet absorption rain brush main shaft under vehicle body
Fang Yidong；By the way that when automobile front sensors detect automobile and pedestrian collides, automobile ECU sends signal, electricity to electromagnet
Magnet effect, generates attraction, and attraction overcomes the spring force of helical spring, effect of the rain brush main shaft in electromagnet electromagnetic attraction
Under move downward, alleviate that bracket lateral stiffness existing in the prior art is insufficient or durability is bad, it is disconnected fatigue easily occur
Split phenomenon；And the cushion space of collision is smaller, has nonrepeatability, the high technical problem of replacement cost；It realizes and is expert at
Before people or two wheeler bicyclist encounter rain brush main shaft, rain brush main shaft has been moved downward, and avoids the collision with pedestrian head, simultaneously
A large amount of space has been conceded, has been played a very good protection to pedestrian.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the overall structure diagram of windscreen wiper axle assembly structure provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram at the first visual angle of windscreen wiper axle assembly structure provided in an embodiment of the present invention；
Fig. 3 is the A-A directional profile structural schematic diagram for the windscreen wiper axle assembly structure that Fig. 2 is provided.
Icon: 100- rain brush main shaft；101- rain brush crown of roll platform；102- taper spline；200- sleeve assembly；201- rain brush axis
Sleeve；211- sleeve body；221- sleeve upper bracket；231- sleeve lower bracket；202- socket cover；300- wiper arm；400-
Helical spring；The rotation section 500-；The first rotation section 501-；The second rotation section 502-；600- electromagnet；700- gasket.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that such as occur term " center ", "upper", "lower", "left", "right",
"vertical", "horizontal", "inner", "outside" etc., indicated by orientation or positional relationship be orientation based on the figure or position
Relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have
There is specific orientation, be constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, as occurred
Term " first ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " peace such as occur
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Fig. 1 is the overall structure diagram of windscreen wiper axle assembly structure provided in this embodiment；Wherein, electromagnet 600 is close
Rain brush main shaft 100 is connected with one end of wiper arm 300.
Fig. 2 is the structural schematic diagram at the first visual angle of windscreen wiper axle assembly structure provided in this embodiment；Wherein, the first visual angle
For the direction faced along sleeve lower bracket 231, rain brush shaft sleeve 201 includes sleeve body 211, sleeve upper bracket 221 and set
Cylinder lower bracket 231.
Fig. 3 is the A-A directional profile structural schematic diagram for the windscreen wiper axle assembly structure that Fig. 2 is provided；Wherein, helical spring 400
It is sheathed on outside rain brush main shaft 100, the both ends of helical spring 400 are supported with the inner wall of sleeve assembly 200 and rotation section 500 respectively
It connects.
As shown in Figure 1-3, a kind of windscreen wiper axle assembly structure provided in this embodiment, comprising: rain brush main shaft 100, sleeve group
Part 200, wiper arm 300, helical spring 400 and rotation section 500；Sleeve assembly 200 is internally provided with accommodating cavity, rain brush main shaft
100 pass through accommodating cavity, and stretch out respectively along the both ends of 200 length direction of sleeve assembly, and rain brush main shaft 100 stretches out sleeve assembly
200 one end is connect with wiper arm 300, and the other end that rain brush main shaft 100 is located at accommodating cavity is provided with rain brush crown of roll platform 101；
Helical spring 400 is located in accommodating cavity, and helical spring 400 is sheathed on outside rain brush main shaft 100, the both ends of helical spring 400
It is abutted respectively with the inner wall of sleeve assembly 200 and rain brush crown of roll platform 101, helical spring 400 has pretightning force；Sleeve assembly 200
It being connect with vehicle body with electromagnet 600, electromagnet 600 is connected with one end of wiper arm 300 close to the rain brush main shaft 100,
Electromagnet 600 is electrically connected with automobile ECU, and the front sensor of automobile is used to detect touching for automobile and pedestrian or two wheeler bicyclist
The information hit, and this collision information is transferred at automobile ECU, automobile ECU is for controlling the energization of electromagnet 600, to pass through electricity
Magnet 600 adsorbs rain brush main shaft 100 to movement below vehicle body.
Wherein, ECU (Electronic Control Unit) electronic control unit, also known as " car running computer ", " vehicle mounted electric
Brain " etc.；It is then automobile specified microcomputerized controller from purposes.By microprocessor (CPU), memory (ROM, RAM), input/
The large scale integrated circuits composition such as output interface (I/O), analog-digital converter (A/D) and shaping, driving.
ECU has fault self-diagnosis and defencive function, and when system generates failure, it can also automatically record event in RAM
Barrier code simultaneously reads alternative program from above-mentioned intrinsic program using safeguard measure to maintain the operating of engine；While these
Fault message can be shown on instrument board and keep not going out.
Preferably, electromagnet 600 can be helical coil structure.
In the present embodiment, automobile and pedestrian or when colliding of two wheeler bicyclist, vapour are detected in automobile front sensors
Vehicle ECU sends signal to electromagnet 600, and electromagnet 600 acts on, and generates attraction, and attraction overcomes the spring of helical spring 400
Power, rain brush main shaft 100 move downward under the action of 600 electromagnetic attraction of electromagnet, therefore encounter rain brush main shaft 100 in pedestrian
Before, rain brush main shaft 100 has moved downward, and avoids the collision with pedestrian head, while having conceded a large amount of space, rises to pedestrian
Good protective effect is arrived.
In addition, electromagnet 600 can be turned off manually or ECU sends signal-off electromagnet 600 after colliding generation
(premise judges that pedestrian has left vehicle body), rain brush main shaft 100 move upwards under the action of helical spring 400, restore initial work
Make position.
A kind of windscreen wiper axle assembly structure provided in this embodiment, comprising: rain brush main shaft 100, sleeve assembly 200, rain brush shake
Arm 300, helical spring 400 and rotation section 500；Sleeve assembly 200 is internally provided with accommodating cavity, and rain brush main shaft 100 passes through accommodating
Chamber, and being stretched out respectively along the both ends of 200 length direction of sleeve assembly, rain brush main shaft 100 stretch out one end of sleeve assembly 200 with
Wiper arm 300 connects, and the other end that rain brush main shaft 100 is located at accommodating cavity is provided with rain brush crown of roll platform 101；Helical spring 400
In accommodating cavity, and helical spring 400 is sheathed on outside rain brush main shaft 100, the both ends of helical spring 400 respectively with sleeve group
The inner wall and rain brush crown of roll platform 101 of part 200 abut, and helical spring 400 has pretightning force；Sleeve assembly 200 and electromagnet 600 are equal
It is connect with vehicle body, electromagnet 600 is connected with one end of wiper arm 300, electromagnet 600 and vapour close to the rain brush main shaft 100
The front sensor of vehicle ECU electrical connection, automobile is used to detect the information of Vehicle-pedestrian impact, and this collision information is transferred to
At automobile ECU, automobile ECU is for controlling the energization of electromagnet 600, to adsorb rain brush main shaft 100 under vehicle body by electromagnet 600
Fang Yidong；By the way that when automobile front sensors detect automobile and pedestrian collides, automobile ECU sends signal to electromagnet 600,
Electromagnet 600 acts on, and generates attraction, and attraction overcomes the spring force of helical spring 400, and rain brush main shaft 100 is in electromagnet 600
It is moved downward under the action of electromagnetic attraction, alleviates bracket lateral stiffness deficiency existing in the prior art or durability not
It is good, easily there is fatigue fracture phenomenon；And the cushion space of collision is smaller, has nonrepeatability, the high technology of replacement cost
Problem；It realizes before pedestrian or two wheeler bicyclist encounter rain brush main shaft 100, rain brush main shaft 100 has moved downward, and avoids
With the collision of pedestrian head, while a large amount of space is conceded, played a very good protection to pedestrian.
In the basic row of above-described embodiment, further, windscreen wiper axle assembly structure provided in this embodiment further includes rotation
Portion 500；Rotation section 500 is sheathed on outside rain brush main shaft 100, and the both ends of helical spring 400 are respectively and in sleeve assembly 200
Wall and rotation section 500 abut, so that rotation section 500 is abutted with rain brush crown of roll platform 101；Rotation section 500 is for reducing windscreen wiper axis
Friction between boss and helical spring 400.
Wherein, sleeve assembly 200 is used as support member, places helical spring 400 and rotation section by internal accommodating cavity
500, and by windscreen wiper crown of roll platform and the fixed rotation section 500 of helical spring 400, when windscreen wiper effect rain brush main shaft 100 rotates,
Reduce friction between the inner wall of windscreen wiper crown of roll platform and sleeve assembly 200 and helical spring 400 and because of noise caused by friction,
The distortion for causing helical spring 400 is avoided simultaneously.
Furthermore it is possible to which the stiffness coefficient and pretightning force of appropriate adjustment helical spring 400, prevent the rain brush master in bumpy road
The fluctuation up and down of axis 100,100 wave noise of rain brush main shaft and fatigue damage caused by avoiding therefore.
The connection type of rain brush main shaft 100 and wiper arm 300 can be a variety of, such as: by spline connection, pass through pin
Nail connection, threaded connection etc., preferably, rain brush main shaft 100 is connect by spline with wiper arm 300.
Specifically, the friction of rotation section 500 and rain brush boss and helical spring 400 belongs to rolling friction.
Preferably, the horizontal cross sectional geometry of accommodating cavity is circle.
A kind of windscreen wiper axle assembly structure provided in this embodiment, when rain brush main shaft 100 rotation when, belong to peripheral parts
Rolling friction, and rotation section 500 can be provided with lubricating grease, frictional force is more reduced, alleviates and exists in the prior art
Windscreen wiper effect windscreen wiper axis rotation when, biggish frictional force can be generated between 100 boss of rain brush main shaft and helical spring 400,
The rotation of windscreen wiper is influenced, the technical issues of easily causing abnormal sound improves the fluency of windscreen wiper axis rotation, ensure that windscreen wiper assembly
NVH characteristic；And the structure can be reused, and later period replacement cost and accessory problem are saved, more practical.
On the basis of the above embodiments, further, rotation section 500 includes the first rotation section 501 and the second rotation section
502, the first rotation section 501 and the second rotation section 502 are sheathed on outside rain brush main shaft 100, and the first rotation section 501 and second
Rotation section 502 is respectively arranged at the two sides of rain brush crown of roll platform 101, and helical spring 400 is abutted with the second rotation section 502, spiral bullet
Spring 400 is for abutting the second rotation section 502 with rain brush crown of roll platform 101 and for making rain brush crown of roll platform 101 pass through the first rotation
Portion 501 is abutted with the inner wall of sleeve assembly 200.
It wherein, can be in rain brush axis when the second rotation section 502 of the first rotation section of single use 501 or exclusive use
The inner wall of boss 101 and sleeve assembly 200, or it is provided with lubricating grease between rain brush crown of roll platform 101 and helical spring 400,
To reduce friction.
In the present embodiment, the upward active force of helical spring 400 is acted on by rain brush crown of roll platform by the second rotation section 502
101, it is interacted on the upside of rain brush crown of roll platform 101 by the first rotation section 501 and the inner wall of sleeve assembly 200, by rain brush crown of roll
The position of 101 two sides of platform is rolling friction, reduces the frictional force of 101 two sides of rain brush crown of roll platform to greatest extent.
Further, gasket 700 is provided between the second rotation section 502 and helical spring 400, helical spring 400 passes through
Gasket 700 is applied on the second rotation section 502.
Wherein, gasket 700 is sheathed on the outside of rain brush main shaft 100, and the two sides of gasket 700 respectively with the second rotation section
502 and helical spring 400 abut so that helical spring 400 is applied on the second rotation section 502 by gasket 700, increases and understand
Except area.
Further, the first rotation section 501 and the second rotation section 502 are ball.
Wherein, ball is provided with multiple, and multiple balls are similar to bearing arrangement, and rain brush main shaft 100 is in rotation, with surrounding
Component belongs to rolling friction, and has lubricating grease on ball, and frictional force is smaller.
Further, sleeve assembly 200 includes rain brush shaft sleeve 201 and socket cover 202；One end of rain brush shaft sleeve 201
It is provided with opening, socket cover 202 is connect with the open end of rain brush shaft sleeve 201, and the other end of rain brush shaft sleeve 201 is provided with
One through-hole is provided with the second through-hole in socket cover 202, and rain brush main shaft 100 is respectively by first through hole and the second through-hole along rain
The both ends of brush shaft sleeve 201 are stretched out respectively；First rotation section 501 is located between socket cover 202 and rain brush crown of roll platform 101.
Wherein, socket cover 202 and the connection type of rain brush shaft sleeve 201 can be a variety of, such as: being connected through a screw thread,
Clamping, riveting etc., preferably, socket cover 202 is to be threadedly coupled with the connection type of rain brush shaft sleeve 201.
The internal diameter of first through hole and the second through-hole is all larger than the outer diameter of rain brush main shaft 100, so that rain brush main shaft 100 equal first
Through-hole and the second through-hole are clearance fit.
Specifically, the outer diameter of rain brush crown of roll platform 101 is greater than the diameter of the second through-hole, and the outer diameter of rain brush crown of roll platform 101 is small
In the internal diameter of accommodating cavity.
Further, rain brush shaft sleeve 201 includes sleeve body 211, sleeve upper bracket 221 and sleeve lower bracket 231；Set
Cylinder main body 211 is connect with socket cover 202, and the second through-hole is located at the one end of sleeve body 211 far from socket cover 202, props up on sleeve
Frame 221 is located at sleeve body 211 close to one end of socket cover 202, and sleeve lower bracket 231 is located at sleeve body 211 close to second
One end of through-hole, and sleeve upper bracket 221 and sleeve lower bracket 231 are connect with the side wall of sleeve body 211；Sleeve body
211 are connect by sleeve upper bracket 221 and sleeve lower bracket 231 with vehicle body.
The connection type of sleeve upper bracket 221 and sleeve lower bracket 231 and sleeve body 211 can be a variety of, such as: one
It is body formed, weld, be connected by screw to, preferably, sleeve upper bracket 221 and sleeve lower bracket 231 and sleeve body 211
Connection type is integrally formed.
Further, one end that rain brush main shaft 100 stretches out the second through-hole is provided with spline, and rain brush main shaft 100 passes through spline
It is connect with wiper arm 300.
Further, one end that rain brush main shaft 100 stretches out first through hole is provided with taper spline 102, and rain brush main shaft 100 is logical
Taper spline 102 is crossed to connect with windscreen wiper.
Detailed process: 211 upper end of sleeve body is opening, lower end closed but there are second passed through for rain brush main shaft 100
Through-hole, the second through-hole diameter are slightly larger than the outer diameter of 100 lower end of rain brush main shaft, make under 211 lower end of sleeve body and rain brush main shaft 100
Portion gap cooperation；Socket cover 202 is connect by screw thread with the upper end of sleeve body 211；About 101 two sides of rain brush crown of roll platform are equal
For ball, the upside of upside ball is socket cover 202, and it is spiral bullet on the downside of gasket 700 that the downside of downside ball, which is gasket 700,
Spring 400；Boss outer diameter is slightly less than the internal diameter of sleeve body 211, and the outer diameter of gasket 700 is suitable with boss outer diameter；Sleeve upper bracket
221 and sleeve lower bracket 231 be fixedly connected with sleeve body 211, be used to support sleeve body 211 and entire windscreen wiper axle assembly knot
Structure.
Sleeve upper bracket 221 and sleeve lower bracket 231 are connect with car body component, and helical spring 400 has pretightning force, upper end
Gasket 700 is withstood, is ball on the upside of gasket 700, the upward active force of helical spring 400 is acted on by rain brush crown of roll by ball
Platform 101 is interacted by ball and socket cover 202 on the upside of rain brush crown of roll platform 101, socket cover 202 and 211 screw thread of sleeve body
Connection；Therefore the pretightning force for passing through helical spring 400, rain brush crown of roll platform 101 is clamped between gasket 700 and socket cover 202,
Relatively fixed rain brush main shaft 100；Due to the presence of about 101 two sides ball of rain brush crown of roll platform, rain brush is acted in windscreen wiper
When main shaft 100 rotates, rain brush crown of roll platform 101 and the friction between socket cover 202 and helical spring 400 are reduced and because friction is drawn
The noise risen, while avoiding the distortion for causing helical spring 400；It simultaneously can be with the stiffness coefficient of appropriate adjustment helical spring 400
And pretightning force, the fluctuation up and down of the rain brush main shaft 100 in bumpy road is prevented, rain brush main shaft 100 caused by avoiding therefore fluctuates
Noise and fatigue damage.
A kind of automobile provided in this embodiment, including above-mentioned windscreen wiper axle assembly structure；Due to vapour provided in this embodiment
The technical effect of vehicle is identical as the technical effect of windscreen wiper axle assembly structure provided by the above embodiment, and details are not described herein again.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of windscreen wiper axle assembly structure characterized by comprising rain brush main shaft, sleeve assembly, wiper arm, helical spring
And electromagnet；
The sleeve assembly is internally provided with accommodating cavity, and the rain brush main shaft passes through the accommodating cavity, and along the sleeve group
The both ends of part length direction are stretched out respectively, and the rain brush main shaft stretches out one end of the sleeve assembly and the wiper arm connects
It connects, the other end that the rain brush main shaft is located at the accommodating cavity is provided with rain brush crown of roll platform；
The helical spring is located in the accommodating cavity, and the helical spring is sheathed on outside the rain brush main shaft, the spiral shell
The both ends of rotation spring are abutted with the inner wall of the sleeve assembly and the rain brush crown of roll platform respectively, and the helical spring, which has, to be pre-tightened
Power；
The sleeve assembly and the electromagnet are connect with vehicle body, and the electromagnet is connected with described close to the rain brush main shaft
One end of wiper arm, the electromagnet are electrically connected with automobile ECU, the front sensor of automobile for detect automobile and pedestrian or
The information of the collision of two wheeler bicyclist, and this collision information is transferred at automobile ECU, automobile ECU is for controlling the electricity
Magnet is powered, to adsorb the rain brush main shaft to movement below vehicle body by the electromagnet.
2. windscreen wiper axle assembly structure according to claim 1, which is characterized in that further include rotation section；
The rotation section is sheathed on outside the rain brush main shaft, and the both ends of the helical spring respectively with the sleeve assembly
Inner wall and the rotation section abut, so that the rotation section is abutted with the rain brush crown of roll platform；The rotation section is for reducing
Friction between the windscreen wiper crown of roll platform and the helical spring.
3. windscreen wiper axle assembly structure according to claim 2, which is characterized in that the rotation section include the first rotation section and
Second rotation section, first rotation section and second rotation section are sheathed on outside the rain brush main shaft, and described first
Rotation section and second rotation section are respectively arranged at the two sides of the rain brush crown of roll platform, the helical spring with described second turn
Dynamic portion abuts, and the helical spring is for abutting second rotation section with the rain brush crown of roll platform and being used to make the rain
Brush crown of roll platform is abutted by first rotation section with the inner wall of the sleeve assembly.
4. windscreen wiper axle assembly structure according to claim 3, which is characterized in that second rotation section and the spiral bullet
Gasket is provided between spring, the helical spring is applied on second rotation section by the gasket.
5. windscreen wiper axle assembly structure according to claim 3, which is characterized in that first rotation section and second turn described
Dynamic portion is ball.
6. windscreen wiper axle assembly structure according to claim 3, which is characterized in that the sleeve assembly includes rain brush shaft sleeve
And socket cover；
One end of the rain brush shaft sleeve is provided with opening, and the socket cover is connect with the open end of the rain brush shaft sleeve, institute
The other end for stating rain brush shaft sleeve is provided with first through hole, and the second through-hole, the rain brush main shaft point are provided in the socket cover
It is not stretched out respectively by the first through hole and second through-hole along the both ends of the rain brush shaft sleeve；
First rotary part is between the socket cover and the rain brush crown of roll platform.
7. windscreen wiper axle assembly structure according to claim 6, which is characterized in that the rain brush shaft sleeve includes sleeve master
Body, sleeve upper bracket and sleeve lower bracket；
The sleeve body is connect with the socket cover, and second through-hole is located at the sleeve body far from the socket cover
One end, the sleeve upper bracket are located at the sleeve body close to one end of the socket cover, and the sleeve lower bracket is located at institute
Sleeve body is stated close to one end of second through-hole, and the sleeve upper bracket and the sleeve lower bracket with the sleeve
The side wall of main body connects；
The sleeve body is connect by the sleeve upper bracket and the sleeve lower bracket with vehicle body.
8. windscreen wiper axle assembly structure according to claim 6, which is characterized in that it is logical that the rain brush main shaft stretches out described second
The one end in hole is provided with spline, and the rain brush main shaft is connect by spline with the wiper arm.
9. windscreen wiper axle assembly structure according to claim 8, which is characterized in that it is logical that the rain brush main shaft stretches out described first
The one end in hole is provided with taper spline, and the rain brush main shaft is connect by the taper spline with windscreen wiper.
10. a kind of automobile, which is characterized in that including the described in any item windscreen wiper axle assembly structures of such as claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810904898.3A CN109094525B (en) | 2018-08-09 | 2018-08-09 | Windscreen wiper axle assembly structure and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810904898.3A CN109094525B (en) | 2018-08-09 | 2018-08-09 | Windscreen wiper axle assembly structure and car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109094525A true CN109094525A (en) | 2018-12-28 |
| CN109094525B CN109094525B (en) | 2020-07-07 |
Family
ID=64849042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810904898.3A Active CN109094525B (en) | 2018-08-09 | 2018-08-09 | Windscreen wiper axle assembly structure and car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109094525B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110861612A (en) * | 2019-12-03 | 2020-03-06 | 安徽江淮汽车集团股份有限公司 | Windscreen wiper shaft assembly and windscreen wiper |
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| CN107972628A (en) * | 2017-10-31 | 2018-05-01 | 奇瑞汽车股份有限公司 | A kind of wiper for being conducive to pedestrian head protection |
| CN207594907U (en) * | 2017-12-15 | 2018-07-10 | 常州泰山弹簧有限公司 | Rain brush both arms return spring |
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| DE10343572A1 (en) * | 2003-09-19 | 2005-04-14 | Volkswagen Ag | Flexible assembly for driving shaft of windshield wiper, has bushings displaced, along with shaft, in axial direction when shaft is subjected to collision, and clutch spring arranged coaxially to shaft |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110861612A (en) * | 2019-12-03 | 2020-03-06 | 安徽江淮汽车集团股份有限公司 | Windscreen wiper shaft assembly and windscreen wiper |
| CN110861612B (en) * | 2019-12-03 | 2021-05-25 | 安徽江淮汽车集团股份有限公司 | Windscreen wiper shaft assembly and windscreen wiper |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109094525B (en) | 2020-07-07 |
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