CN105882609A - Airplane windshield wiper synchronizing mechanism - Google Patents
Airplane windshield wiper synchronizing mechanism Download PDFInfo
- Publication number
- CN105882609A CN105882609A CN201610333583.9A CN201610333583A CN105882609A CN 105882609 A CN105882609 A CN 105882609A CN 201610333583 A CN201610333583 A CN 201610333583A CN 105882609 A CN105882609 A CN 105882609A
- Authority
- CN
- China
- Prior art keywords
- rain brush
- output shaft
- power output
- lazy
- tongs
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- 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
- B60S1/26—Means for transmitting drive mechanically by toothed gearing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Brushes (AREA)
Abstract
The invention relates to the structural design of an airplane windshield wiper, in particular to an airplane windshield wiper synchronizing mechanism, and aims to solve the problem that the main and auxiliary wipers of an existing airplane windshield are difficult in synchronization. The airplane windshield wiper synchronizing mechanism comprises a first driving motor and at least two wiper driving parts, each wiper driving part is used for driving the corresponding wiper through the first driving motor and comprises a power input shaft, a power output shaft, a phase synchronizer, a spring and a driving mechanism, and the phase synchronizer, the spring and the driving mechanism are arranged inside the power output shaft. The airplane windshield wiper synchronizing mechanism has the advantage that a first axial meshing tooth on the phase synchronizer of each wiper driving part is matched with a second axial meshing tooth of the corresponding power input shaft, so that the two wiper driving parts can rotate synchronously.
Description
Technical field
The present invention relates to the design of frontal windshield Wiper structure, particularly to a kind of frontal windshield rain brush
Lazy-tongs.
Background technology
Current in mechanical transmission fields, when, under same driven by motor, two or more torques are defeated
Shaft is typically only capable to the moment of torsion that output is given, but cannot realize the phase that the output of multiple output shaft is identical
Position.As a example by frontal windshield rain brush, drive corresponding windscreen wiper due to major-minor and generally use not
With on-off control, therefore, it is difficult to realize in rain brush work process two pieces rain brush under any time
On windscreen, location is identical, impacts operating characteristics, in some instances it may even be possible to aircraft just
Often flight impacts.
Summary of the invention
A kind of frontal windshield rain brush lazy-tongs are it is an object of the invention to provide, at least to solve
Easy nonsynchronous problem when the major-minor rain brush of frontal windshield rotates at present.
The technical scheme is that
A kind of frontal windshield rain brush lazy-tongs, it is characterised in that including:
First drives motor；
At least two rain brush actuator, one end of each described rain brush actuator is all with rain brush even
Connecing, the other end drives motor to be connected with described first；
Each described rain brush actuator includes:
Power output shaft, has inner chamber and the opening with described inner space, described power
One end relative with described opening of output shaft is connected with rain brush；
Phase synchroniser, is arranged on the output of described power along sliding axially of described power output shaft
In the inner chamber of axle, and mutual at circumferencial direction of described phase synchroniser and described power output shaft
Between position immobilize, it addition, described phase synchroniser is offered away from one end of described rain brush
There are two axial first engaging tooths；
Spring, is arranged in the inner chamber of described power output shaft, and is positioned at described phase synchroniser
Side near described rain brush；
Drive mechanism, is arranged in the inner chamber of described power output shaft, for by described spring
Described phase synchroniser is driven to slide axially in the inner chamber of described power output shaft；
Power input shaft, one end drives motor to be connected with described first, and the other end is provided with and institute
State two axial second engaging tooths that two axial first engaging tooths match, it addition, at least two
It is mounted opposite angle between power input shaft described at least two in individual described rain brush actuator
Spend identical.
Optionally, described drive mechanism includes:
Second drives motor, is fixed in the inner chamber of described power output shaft, and described second drives
Offering external screw thread on the output shaft of motor, described controller is used for controlling described second and drives electricity
The opening and closing of machine；
Sliding part, its inner ring surface is provided with and drives the outer spiral shell on motor output shaft with described second
The female thread that stricture of vagina matches, one end away from described second driving motor of described sliding part and institute
State spring to fix.
Optionally, the outer ring surface of described power output shaft is provided with two ring contacts, described
Two ring contacts are respectively the described second input driving motor and outfan.
Optionally, described frontal windshield rain brush lazy-tongs also include:
Axle sleeve, is arranged on the connection end of described phase synchroniser and described power input shaft.
Optionally, described axle sleeve radially offers oil filler point and with described oiling
The sealing bolt that hole matches.
Optionally, the internal ring of described power output shaft offers the first keyway, institute vertically
State and on the outer ring surface of phase synchroniser, offer matched with described first keyway vertically
Two keyways, arrange positioning key between described first keyway and described second keyway.
Optionally, the field of conjugate action of axial first engaging tooth of said two throwing on axial normal plane
Shadow radian is different, and two projection radian sums are equal to 2 π.
Invention effect:
In the frontal windshield rain brush lazy-tongs of the present invention, by the phase place of each rain brush actuator
On lock unit, axial second engaging tooth of axial first engaging tooth and power input shaft matches, and makes
Obtain two rain brush actuators and be capable of synchronous axial system.
Accompanying drawing explanation
Fig. 1 is the structural representation of frontal windshield rain brush lazy-tongs of the present invention；
Fig. 2 is the structural blast figure of frontal windshield rain brush lazy-tongs of the present invention；
Fig. 3 is the structural representation of phase synchroniser in frontal windshield rain brush lazy-tongs of the present invention
Figure；
Fig. 4 is the front view of phase synchroniser in frontal windshield rain brush lazy-tongs of the present invention；
Fig. 5 is the top view of phase synchroniser in frontal windshield rain brush lazy-tongs of the present invention.
Detailed description of the invention
Clearer for the purpose making the present invention implement, technical scheme and advantage, below in conjunction with
Accompanying drawing in the embodiment of the present invention, is carried out in further detail the technical scheme in the embodiment of the present invention
Description.In the accompanying drawings, the most same or similar label represents same or similar unit
Part or there is the element of same or like function.Described embodiment is that a part of the present invention is real
Execute example rather than whole embodiments.The embodiment described below with reference to accompanying drawing is example
Property, it is intended to it is used for explaining the present invention, and is not considered as limiting the invention.Based on this
Embodiment in invention, those of ordinary skill in the art are not under making creative work premise
The every other embodiment obtained, broadly falls into the scope of protection of the invention.Below in conjunction with the accompanying drawings
Embodiments of the invention are described in detail.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " horizontal stroke
To ", "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ",
Orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship,
It is for only for ease of and describes the present invention and simplify description rather than instruction or the device of hint indication
Or element must have specific orientation, with specific azimuth configuration and operation, therefore can not manage
Solve as limiting the scope of the invention.
Frontal windshield rain brush lazy-tongs of the present invention are done further by 1 to Fig. 5 below in conjunction with the accompanying drawings
Describe in detail.
The invention provides a kind of frontal windshield rain brush lazy-tongs, including the first driving motor 1
And rain brush actuator 2, rain brush actuator 2 one end drives motor 1 to be connected with first, another
End is connected with rain brush (mainly its brush arm), and first drives motor 1 by rain brush actuator 2
Driving rain brush rotates.
First drives motor 1 can use known multiple applicable motor, certainly, also includes
Having and connect circuit, control switch etc. accordingly, here is omitted；First drives motor 1
Quantity can carry out the setting being suitable for as required, and such as to drive motor 1 be one when first
Time, same motor can be made by the way of gear to drive multiple rain brush actuators 2；The
One driving motor 1 can also be equal with rain brush actuator 2 quantity, is i.e. driven electricity by one first
Machine 1 drives a rain brush actuator 2.
The quantity of rain brush actuator 2 can carry out, according to type demand, the selection that is suitable for, generally wraps
Include at least two；In the present embodiment, preferably two rain brush actuators 2.
Further, each rain brush actuator include power output shaft 21, phase synchroniser 23,
Positioning key 26, spring 27, drive mechanism and power input shaft 28.
Power output shaft 21 has inner chamber and an opening with inner space, relative another
End is sealed end, and cavity shape is the most cylindric；Power output shaft 21 with opening phase
To one end (i.e. sealed end) be connected with rain brush.
The external shape of phase synchroniser 23 is similar to power output shaft 21 inner chamber, is along power
In the inner chamber being arranged on power output shaft 21 that slides axially of output shaft 21；And Phase synchronization
Device 23 immobilizes in the position each other of circumferencial direction with power output shaft 21, i.e. phase place
Lock unit 23 can only can not be slided vertically at power output shaft 21 inner chamber around own axis
Dynamic；It addition, phase synchroniser 23 away from one end of rain brush offer two axially (tooth
Offering direction is on axial one end end face of phase synchroniser 23) the first engaging tooth 25.
Spring 27 is arranged in the inner chamber of power output shaft 21, and is positioned at phase synchroniser 23
Side near rain brush.
Drive mechanism is arranged in the inner chamber of power output shaft 21, and drive mechanism can be in operation
Under the control action of person, first driving spring 27 slides axially, thus is driven by spring 27
Phase synchroniser 23 slides axially in the inner chamber of power output shaft 21.And need explanation
It is that the drive mechanism in two or more rain brush actuators 2 all can individually be controlled.
Power input shaft 28 one end drives motor 1 to be connected with first, and the other end is provided with and two
Two axial second engaging tooths 29 that individual axial first engaging tooth 25 matches；It addition, two
Or relative between two or more power input shafts 28 in multiple rain brush actuators 2
Setting angle is identical, i.e. the most full symmetric setting between them, the most flat
Can be completely superposed after moving, including their the second engaging tooth 29 cloth angle setting in space
Degree waits the most identical such that it is able to ensure that two or more power output shaft 21 has identical defeated
Go out phase place.
In the frontal windshield rain brush lazy-tongs of the present invention, the phase place of each rain brush actuator 2 is same
Axial first engaging tooth 25 and axial second engaging tooth 29 of power input shaft 28 on step device 23
Match；When arranging two or more power output shaft 21, two or more power export
Axle 21 has identical output phase place so that phase synchroniser 23 and power input shaft 28 energy
Enough at a swing circle internal messing such that it is able to ensure two or more power output shaft 21
After startup, the phase place of output is identical so that two rain brush actuators 2 are capable of synchronizing all the time
Rotate.
In the frontal windshield rain brush lazy-tongs of the present invention, drive mechanism can be arranged as required to
For multiple applicable structure；Can be such as an electric magnet, by controlling the break-make of electric magnet
Adsorbing or disconnect phase synchroniser 23, electric magnet can pass through unidirectional current or alternating current
Being controlled, operator has only to by the corresponding ON-OFF control circuit break-make that controls, tool
Body structure repeats no more；When adsorbing phase synchroniser 23, phase synchroniser 23 can compress
Spring 27, thus disconnect with power input shaft 28；When disconnecting phase synchroniser 23, by
In spring 27 its own resilient effect, phase synchroniser 23 is engaged with power input shaft 28 (logical
Cross mutual engaging tooth).
In a preferred embodiment of the invention, drive mechanism include the second driving motor and
Sliding part.Second drives motor to be fixed in the inner chamber of power output shaft 21, and second drives electricity
External screw thread is offered on the output shaft of machine；It is provided with on sliding part inner ring surface and drives motor with second
The female thread that external screw thread on output shaft matches, sliding part away from second drive motor one
End is fixed with spring 27.By controlling the rotation direction of the second driving motor, it is achieved sliding part
Second output shaft driving motor slidably reciprocates, thus promotes spring 27 and phase place same
Step device 23 slides.
It should be noted that the second driving electricity being arranged in other power output shaft 21 inner chamber
Machine can carry out circuit connection by multiple applicable and known mode, such as when using alternating current
During driving, two ring contacts can be provided with on the outer ring surface of power output shaft 21, and
The two ring contacts is respectively input and the outfan of the second driving motor, then by arranging
Brush to connect with corresponding control circuit, and here is omitted.
Further, the frontal windshield rain brush lazy-tongs of the present invention also include axle sleeve 23；Axle sleeve
The 23 connection ends being arranged on phase synchroniser 23 and power input shaft 28, are used for limiting radially
Displacement, to add stiff stability.It addition, radially offer on axle sleeve 3 oil filler point with
And the sealing bolt 31 matched with oil filler point, thus it is lubricated the filling of oil by oil filler point
Note.
In the frontal windshield rain brush lazy-tongs of the present invention, phase synchroniser 23 can be by many
Plant applicable mode to be slidably arranged in the inner chamber of power output shaft 21, and ensure phase synchroniser
23 immobilize in the position each other of circumferencial direction with power output shaft 21；The present invention's
In one preferred embodiment, it is on the internal ring of power output shaft 21, offer first vertically
Keyway 22, the outer ring surface of phase synchroniser 23 offers vertically and the first keyway 22 phase
Second keyway 24 of coupling, then positioning key 26 is arranged on the first keyway 22 and the second keyway
Between 24, for limiting the radial displacement between phase synchroniser 23 and power output shaft 21,
And phase synchroniser 23 moment of torsion is transferred to power output shaft 21.
Further, two of phase synchroniser 23 end axial first engaging tooth 25 and power
Two axial second engaging tooth 29 sizes of power shaft 28 end can be arranged as required to as many
Plant the selection being suitable for；In the present embodiment, the field of conjugate action of two axial first engaging tooths 25 is at axle
Projection radian on normal plane is different, referring specifically to shown in Fig. 5, and one of them first engagement
The projection radian of tooth 25 is that r, r take π/6, π/6 to 5；And two projection radian sums are equal to 2
π.Different sizes, energy is taken between two axial first engaging tooths 25 or the second engaging tooth 29
Enough further ensure that phase synchroniser 23 and power input shaft 28 are at a swing circle internal messing
Stability.
The frontal windshield rain brush lazy-tongs use principle of the present invention is as follows:
Before need not windscreen wiper is controlled, at two rain brush actuators 2 (respectively
Drive a main rain brush and a secondary rain brush) in, the drive mechanism that power output shaft 21 is built-in
It is to control power input shaft 28 to depart from phase synchroniser 23.
When main rain brush opened by needs, the first operator can be by the first control on-off control the
One drives motor 1 to open, and now first drives motor 1 can drive two power input shafts
28 rotate (idle running)；Control the second driving electric machine rotation in main rain brush drive mechanism again, make
Winner's rain brush drive mechanism medium power power shaft 28 engages with phase synchroniser 23, thus drives
Main rain brush rotates；Further, therein first motor 1 and second is driven to drive the control of motor to open
Pass can be same switch, can be connected by conventional circuit and realize, and here is omitted.
Under main rain brush has been switched on state, when the second operator needs to open secondary rain brush, permissible
Second controlled in on-off control pair rain brush drive mechanism by second drives electric machine rotation (first
Drive motor 1 already at opening, and the power input shaft 28 of secondary rain brush part also
Directly it is in idling conditions) so that secondary rain brush drive mechanism medium power power shaft 28 and Phase synchronization
Device 23 engages, and is at a swing circle internal messing, thus drives secondary rain brush to rotate.By
In major-minor power output shaft 21, there is identical output phase place, it is possible to major-minor rain brush is synchronized
Rotate.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is also
Being not limited to this, any those familiar with the art is at the technology model that the invention discloses
In enclosing, the change that can readily occur in or replacement, all should contain within protection scope of the present invention.
Therefore, protection scope of the present invention should be as the criterion with described scope of the claims.
Claims (7)
1. frontal windshield rain brush lazy-tongs, it is characterised in that including:
First drives motor (1)；
At least two rain brush actuator (2), one end of each described rain brush actuator (2) is equal
Being connected with rain brush, the other end drives motor (1) to be connected with described first；
Each described rain brush actuator includes:
Power output shaft (21), has inner chamber and the opening with described inner space, institute
The one end relative with described opening stating power output shaft (21) is connected with rain brush；
Phase synchroniser (23), is arranged on along sliding axially of described power output shaft (21)
In the inner chamber of described power output shaft (21), and described phase synchroniser (23) is dynamic with described
Power output shaft (21) immobilizes in the position each other of circumferencial direction, it addition, described phase
Bit synchronizer (23) offers two axial first engaging tooths (25) away from one end of described rain brush；
Spring (27), is arranged in the inner chamber of described power output shaft (21), and is positioned at institute
State the phase synchroniser (23) side near described rain brush；
Drive mechanism, is arranged in the inner chamber of described power output shaft (21), for controllably
Drive described phase synchroniser (23) in described power output shaft (21) by described spring (27)
Inner chamber in slide axially；
Power input shaft (28), one end drives motor (1) to be connected with described first, the other end
It is provided with two axial second that first engaging tooth (25) axial with said two match to engage
Tooth (29), it addition, dynamic described at least two in rain brush actuator (2) described at least two
Between power power shaft (28) to be mounted opposite angle identical.
Frontal windshield rain brush lazy-tongs the most according to claim 1, it is characterised in that
Described drive mechanism includes:
Second drives motor, is fixed in the inner chamber of described power output shaft (21), and described the
Offering external screw thread on two output shafts driving motor, described controller is used for controlling described second
Drive the opening and closing of motor；
Sliding part, its inner ring surface is provided with and drives the outer spiral shell on motor output shaft with described second
The female thread that stricture of vagina matches, one end away from described second driving motor of described sliding part and institute
State spring (27) to fix.
Frontal windshield rain brush lazy-tongs the most according to claim 2, it is characterised in that
Two ring contacts, said two ring it is provided with on the outer ring surface of described power output shaft (21)
Shape contact is respectively the described second input driving motor and outfan.
4. according to the frontal windshield rain brush lazy-tongs described in any one of claim 1-3, its
It is characterised by, also includes:
Axle sleeve (3), is arranged on described phase synchroniser (23) and described power input shaft (28)
Connection end.
Frontal windshield rain brush lazy-tongs the most according to claim 4, it is characterised in that
Described axle sleeve (3) radially offers oil filler point and with described oil filler point mutually
The sealing bolt (31) joined.
Frontal windshield rain brush lazy-tongs the most according to claim 4, it is characterised in that
The internal ring of described power output shaft (21) offers the first keyway (22), institute vertically
State and offer vertically on the outer ring surface of phase synchroniser (23) and described first keyway (22)
The second keyway (24) matched, described first keyway (22) and described second keyway (24)
Between positioning key (26) is set.
Frontal windshield rain brush lazy-tongs the most according to claim 4, it is characterised in that
The field of conjugate action of axial first engaging tooth of said two (25) projection radian on axial normal plane
Difference, and two projection radian sums are equal to 2 π.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610333583.9A CN105882609B (en) | 2016-05-18 | 2016-05-18 | A kind of frontal windshield rain brush lazy-tongs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610333583.9A CN105882609B (en) | 2016-05-18 | 2016-05-18 | A kind of frontal windshield rain brush lazy-tongs |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105882609A true CN105882609A (en) | 2016-08-24 |
| CN105882609B CN105882609B (en) | 2018-01-30 |
Family
ID=56717579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610333583.9A Active CN105882609B (en) | 2016-05-18 | 2016-05-18 | A kind of frontal windshield rain brush lazy-tongs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105882609B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5940967A (en) * | 1982-08-31 | 1984-03-06 | Nissan Motor Co Ltd | Driving gear of wiper |
| CN2298177Y (en) * | 1997-05-06 | 1998-11-25 | 高博文 | Electric machine speed reduction mechanism for vehicle wiper |
| CN201901113U (en) * | 2010-11-19 | 2011-07-20 | 北京理工大学 | Automatic windscreen wiper for rearview mirror of vehicle |
| CN204674543U (en) * | 2015-06-30 | 2015-09-30 | 西安工程大学 | A kind of windscreen wiper synchronous control system |
-
2016
- 2016-05-18 CN CN201610333583.9A patent/CN105882609B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5940967A (en) * | 1982-08-31 | 1984-03-06 | Nissan Motor Co Ltd | Driving gear of wiper |
| CN2298177Y (en) * | 1997-05-06 | 1998-11-25 | 高博文 | Electric machine speed reduction mechanism for vehicle wiper |
| CN201901113U (en) * | 2010-11-19 | 2011-07-20 | 北京理工大学 | Automatic windscreen wiper for rearview mirror of vehicle |
| CN204674543U (en) * | 2015-06-30 | 2015-09-30 | 西安工程大学 | A kind of windscreen wiper synchronous control system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105882609B (en) | 2018-01-30 |
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