CN104590132B - Double-clutch skid device for mirror surface driver of automobile rearview mirror - Google Patents
Double-clutch skid device for mirror surface driver of automobile rearview mirror Download PDFInfo
- Publication number
- CN104590132B CN104590132B CN201510077262.2A CN201510077262A CN104590132B CN 104590132 B CN104590132 B CN 104590132B CN 201510077262 A CN201510077262 A CN 201510077262A CN 104590132 B CN104590132 B CN 104590132B
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- China
- Prior art keywords
- sleeve pipe
- wheel disc
- helical teeth
- lifting screw
- teeth wheel
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
- B60R1/02—Rear-view mirror arrangements
- B60R1/06—Rear-view mirror arrangements mounted on vehicle exterior
- B60R1/062—Rear-view mirror arrangements mounted on vehicle exterior with remote control for adjusting position
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Mechanical Engineering (AREA)
- Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)
Abstract
The invention discloses a double-clutch skid device for a mirror surface driver of an automobile rearview mirror. The double-clutch skid device comprises a lifting screw (1) and a bevel wheel plate (2) which sleeves the lifting screw (1) and is driven by an external driver to rotate, and is characterized in that a casing pipe (3) is arranged between the bevel wheel plate (2) and the lifting screw (1); a plurality of gripper heads (4) are distributed in the peripheral direction of the casing pipe (3) at the upper end of the casing pipe (3); convex teeth (4.1) matched with external threads of the lifting screw (1) are respectively arranged on the inner side walls of the gripper heads (4); the bevel wheel plate (2) is in close fit with the casing pipe (3); a position-limiting mechanism for limiting the axial motion of the bevel wheel plate (2) is arranged on the casing pipe (3). The double-clutch skid device for the mirror surface driver of the automobile rearview mirror, disclosed by the invention, can prevent the mirror surface from over-travel fracture when the mirror surface is turned to a limiting position, and further avoids mirror surface turnover under the action of a higher external force.
Description
Technical field
The present invention relates to the technical field of automobile rear view mirror driver, specifically a kind of automobile rear-vision mirror face drive
The double clutch slipping devices of dynamic device.
Background technology
Automobile rearview mirror is mounted in the left and right sides important accessory in front of the door outside car steering room, and it sees for human pilot
The scene after vehicle body is examined, safe driving is carried out and is played particularly important effect.And it is arranged on the governor motion in automobile rearview mirror
The adjustable of rear-vision mirror face angle and visual range can be realized, so as to provide optimal back visibibility for human pilot.But
At present, such minute surface automatically adjustable rearview mirror often due to mirror face turning overtravel and cause minute surface to rupture.
In prior art, after having had a kind of kind of drive by screw rod lifting to realize the automobile that mirror angle is adjusted
Visor minute surface governor motion.And the governor motion can skid so as to prevent mirror face turning from surpassing when mirror face turning is to extreme position
Stroke and rupture.Its main parts size includes direct-flow micromachine, worm screw, helical teeth wheel disc, lifting screw, the DC micro electricity
The output shaft of machine is fixed with worm screw, and worm screw engages with the tooth on helical teeth wheel disc lateral wall, and the centre bore of the helical teeth wheel disc is placed on
On lifting screw, and the centre bore of the helical teeth wheel disc is provided with the screw thread being engaged with the external screw thread on lifting screw lateral wall
Convex tooth, the top of lifting screw is connected with the float plate of minute surface.From there through worm screw, helical teeth wheel disc, lifting screw transmission reality
Existing minute surface overturns with float plate.Further, when the convex tooth of screw thread on the helical teeth wheel disc is subject to the radial force on lifting screw
Can be along the radial dilatation of helical teeth wheel disc or reset.So, the axial position of lifting screw when mirror face turning is to extreme position
Shifting is restricted, resistance increase, so that radial dilatation or reset of the convex tooth of screw thread along helical teeth wheel disc, thus achieves the convex tooth of screw thread
Continue to be skidded between the externally threaded tooth of lifting screw, being finally reached prevents the purpose of mirror face turning overtravel.
But above-mentioned existing governor motion, can cause motor load to increase when elastic force needed for the reset of the convex tooth of screw thread is excessive
Greatly, while also not having the slipping protection effect of mirror face turning to extreme position, and elastic force needed for the reset of the convex tooth of screw thread is too small
When, when being acted on by windage or other external force, minute surface easily overturns, and causes rearview mirror to fail, especially in fastlink,
Such situation is extremely hazardous.
In addition, described governor motion be between tooth and tooth by the convex tooth of screw thread on the external screw thread of lifting screw constantly
Expansion back and forth the disengaging of driver and minute surface transmission is realized with the skidding for resetting, therefore rearview mirror can be caused persistently to tremble
It is dynamic, and along with impact sound, and the screwed claw on the external screw thread and helical teeth wheel disc of lifting screw also easily weares and teares.
The content of the invention
The technical problem to be solved is：There is provided one kind can prevent minute surface when mirror face turning is to extreme position
Overtravel ruptures, and the double clutch skiddings of the automobile rear view mirror driver of mirror face turning can not occur under the effect of larger external force
Device.
The technical solution used in the present invention is：There is provided a kind of automobile rear view mirror driver double clutch slipping devices,
It includes one end for the lifting screw being connected with minute surface float plate and is placed on lifting screw and drives rotation by peripheral driver
The helical teeth wheel disc for turning, is provided with sleeve pipe between the helical teeth wheel disc and lifting screw, sleeve upper end is provided with along sleeve circumferential distribution
Multiple pawl heads, the lower end of whole pawl heads is fixed with sleeve pipe, and the free end of whole pawl heads is located at sleeve pipe top, and arbitrary neighborhood two
The gap for making the free end of pawl head draw in or expand along the radial direction of sleeve pipe is left between pawl head, on the medial wall of each pawl head
The convex tooth being engaged with the external screw thread of lifting screw, the helical teeth wheel disc and sleeve pipe tight fit are respectively provided with, in described sleeve pipe
It is provided with the position-limit mechanism for limiting helical gear disk axially-movable.
After above structure, the double clutch slipping devices of automobile rear view mirror driver and the prior art phase of the present invention
Than with advantages below：First, by sleeve pipe and the tight fit of helical teeth wheel disc, play when can work as mirror face turning to extreme position
Well slipping effect, prevents minute surface overtravel, while and due to sleeve pipe and the skidding of helical teeth wheel disc minute surface will not be caused to tremble
It is dynamic, and tooth come with tooth transmission belt collision the problems such as, secondly, coordinated by the convex tooth on sleeve pipe and lifting screw, Ke Yiqi
To the effect for driving mirror face turning, while when needing to be adjusted manually, by convex tooth during the larger power of applying and can rise
Tooth on drop screw thread skids, and finally realizes multistage control of skidding.
Preferably, the position-limit mechanism is referred to, described sleeve pipe is provided with an annular flange flange with annular slope, described
One end of helical teeth wheel disc near-ring shape flange is provided with the inclined-plane being engaged with annular slope, deviates from positioned at helical gear disk in described sleeve pipe
One end of annular flange flange is provided with holddown spring, and one end and the helical teeth wheel disc of the holddown spring offset away from one end of annular flange flange
Lean on, the other end of holddown spring leans with the buckle being fixed on sleeve pipe..
Preferably, described sleeve pipe is provided with an elastic fastening circle, the medial wall of the elastic fastening circle and whole pawl heads
Lateral wall laminating.
Description of the drawings
Fig. 1 is the structural representation of the double clutch slipping devices of automobile rear view mirror driver of the present invention.
Fig. 2 is the explosive view of the double clutch slipping devices of automobile rear view mirror driver of the present invention.
Wherein, 1, lifting screw, 2, helical teeth wheel disc, 3, sleeve pipe, 3.1, annular flange flange, 4, pawl head, 4.1, convex tooth, 5, compress
Spring, 6, buckle, 7, elastic fastening circle.
Specific embodiment
With reference to the accompanying drawings and detailed description the invention will be further described.
As illustrated, the present invention provides a kind of automobile rear view mirror driver double clutch slipping devices, it includes one end
For the lifting screw 1 being connected with minute surface float plate and it is placed on lifting screw 1 and the helical teeth of rotation is driven by peripheral driver
Wheel disc 2, is provided with sleeve pipe 3 between the helical teeth wheel disc 2 and lifting screw 1, the one end of sleeve pipe 3 is provided with the circumference point along the axis of sleeve pipe 3
Multiple pawl heads 4 of cloth.Preferably, whole pawl heads 4 are uniformly distributed along the circumference of the axis of sleeve pipe 3.The lower end of whole pawl heads 4 with
Sleeve pipe 3 is fixed, and the free end of whole pawl heads 4 is located at the top of sleeve pipe 3, and leaves for making pawl head 4 between the pawl head 4 of arbitrary neighborhood two
Free end along sleeve pipe 3 radial direction draw in or expand gap, be respectively provided with and lifting screw on the medial wall of each pawl head 4
The convex tooth 4.1 that 1 external screw thread is engaged.That is, when artificial when removing to stir minute surface, the lifting screw 1 is subject to axially
Thrust, it is transferred on the convex tooth 4.1 of pawl head 4 and is changed into for pawl head 4 is along the radial force of lifting screw 1, thus orders about complete
Portion pawl head 4 is expanded, when the radial force persistently increases and causes pawl head 4 to be expanded to extreme position, convex tooth 4.1 and lifting screw 1
On thread skid, the thus axially-movable of lifting screw 1 do not interfere with the rotation of helical teeth wheel disc 2 and sleeve pipe 3.Specifically
Ground, the manual adjustment means under can not working as external drive motors.
The helical teeth wheel disc 2 and the tight fit of sleeve pipe 3, described sleeve pipe 3 is provided with for limiting the axially-movable of helical teeth wheel disc 2
Position-limit mechanism.Specifically, when peripheral driver drives helical teeth wheel disc 2 to rotate, in helical teeth wheel disc 2 and the stiction of sleeve pipe 3
In the presence of sleeve pipe 3 rotate with helical teeth wheel disc 2, thus drive lifting screw 1 to realize axially-movable, and work as lifting screw 1 axially
When moving to extreme position, i.e., when mirror face turning causes lifting screw to be subject to larger axial resistance to extreme position, sleeve pipe 3
It is not enough to overcome the resistance for persistently increasing with the stiction between helical teeth wheel disc 2, therefore realizes helical teeth wheel disc 2 and sleeve pipe 3 dozens
It is sliding, so as to protect minute surface.Therefore, above-mentioned tight fit refers to that the lateral wall of sleeve pipe 3 is matched somebody with somebody with the medial wall interference of helical teeth wheel disc 2
Close, and drive sleeve 3 and helical teeth wheel disc 2 relatively rotate skidding when moment of torsion is reached the limit values, i.e., above-mentioned tight fit is not necessarily referring to
It is fastenedly connected completely, and referring to has therebetween certain expanding force so as to produce certain maximum static friction force.
The position-limit mechanism refers to that described sleeve pipe 3 is provided with an annular flange flange 3.1 with annular slope, the helical teeth
One end of the nearly annular flange flange 3.1 of wheel disc 2 is provided with the inclined-plane being engaged with annular slope, carries on the back positioned at helical gear disk 2 in described sleeve pipe 3
Holddown spring 5 is provided with from one end of annular flange flange 3.1, one end and the helical teeth wheel disc 2 of the holddown spring 5 deviate from annular flange flange
3.1 one end leans, and the other end of holddown spring 5 leans with the buckle 6 being fixed on sleeve pipe 3.
Described sleeve pipe 3 is provided with an elastic fastening circle 7, the medial wall of the elastic fastening circle 7 and the outside of whole pawl heads 4
Wall is fitted.Specifically, whole pawl heads 4 are around circularizing, the cuff of elastic fastening circle 7 in pawl head 4, so as to increase pawl head
4 elastic force for resetting, increased the maximum radial force that the skidding of pawl head 4 can bear.
It is that first, worm screw and the helical teeth wheel disc of peripheral driver are nibbled that driver adjusts the skidding operation principle of mirror face turning
Close, so as to drive helical teeth wheel disc to rotate, then drive sleeve pipe to rotate by the stiction of helical teeth wheel disc and sleeve pipe, subsequently lead to
The convex tooth crossed on sleeve pipe carries out screw thread cooperation with the external screw thread on lifting screw, realizes that lifting screw is axially moveable, finally, by
The globe joint of lifting screw head is hinged with minute surface float plate, and by lifting screw minute surface float plate one side is withstood, and makes minute surface
Float plate overturns.In the process, when the extreme position of operation to minute surface float plate upset, the axial resistance on lifting screw
Increase, the moment of torsion increase needed for causing sleeve pipe to rotate, the stiction between the helical teeth wheel disc and sleeve pipe is not enough to provide set
The moment of torsion that pipe is rotated, finally makes helical teeth wheel disc skid with sleeve pipe, plays a protective role.And the tensile force of the pawl head in the present invention is big
In maximum static friction force between helical teeth wheel disc and sleeve pipe, therefore the driver course of work, mirror face turning is to extreme position
Sliding mechanism can preferentially trigger helical teeth wheel disc and skid with sleeve pipe, without causing the screw thread on the convex tooth and lifting screw on pawl head
Tooth skids.Therefore, in normal driving conditions, the wind resistance or other external force acted on minute surface also will not be due to helical teeth wheel disc
Maximum static friction force between sleeve pipe is too small and causes mirror face turning.Reliability more on the basis of driver load can also
What is arranged is less.
And the operation principle for adjusting mirror face turning manually is, provides larger tilting force by personnel and act on minute surface,
Make lifting screw be subject to larger axial force, thus order about on sleeve pipe pawl head expansion, make the convex tooth on pawl head it is lasting rise
Skid on drop screw rod, i.e., radial direction reciprocating expansion and reset of the convex tooth along lifting screw, in the tooth top and tooth root of the tooth of lifting screw
Between slide.And in this course, the pressure of axial direction provides the larger pressure in inclined-plane on helical teeth wheel disc, therefore, now
The maximum static friction force of helical teeth wheel disc and sleeve pipe increase in the presence of lifting screw axial compressive force, therefore, helical teeth wheel disc and set
Pipe is relatively fixed, and with the output shaft locking of driver.
In addition, in order to prevent from adjusting manually during mirror face turning, the rotation of sleeve pipe, the convex tooth and liter on described sleeve pipe
Screw thread on drop screw rod can select self-locking thread.
Preferred embodiments of the present invention are described above, but are not to be construed as limiting the scope of the invention.This
Bright to be not only limited to above example, its concrete structure allows to change, all institutes in the protection domain of demand for independence of the present invention
The various change of work is within the scope of the present invention.
Claims (3)
1. the double clutch slipping device of a kind of automobile rear view mirror driver, it includes that one end is used for what is be connected with minute surface float plate
Lifting screw (1) and the helical teeth wheel disc (2) for being placed on lifting screw (1) and being rotated by peripheral driver driving, it is characterised in that：
Sleeve pipe (3) is provided between the helical teeth wheel disc (2) and lifting screw (1), sleeve pipe (3) upper end is provided with circumferentially distributed along sleeve pipe (3)
Multiple pawl heads (4), the lower end of whole pawl heads (4) is fixed with sleeve pipe (3), leave between the pawl head (4) of arbitrary neighborhood two for
The gap for making the free end of pawl head (4) draw in or expand along the radial direction of sleeve pipe (3), on the medial wall of each pawl head (4) respectively
It is provided with the convex tooth (4.1) being engaged with the external screw thread of lifting screw (1), the helical teeth wheel disc (2) and sleeve pipe (3) tight fit, institute
State sleeve pipe (3) and be provided with position-limit mechanism for limiting helical teeth wheel disc (2) axially-movable.
2. the double clutch slipping device of automobile rear view mirror driver according to claim 1, it is characterised in that：The limit
Position mechanism refers to that described sleeve pipe (3) is provided with an annular flange flange (3.1) with annular slope, helical teeth wheel disc (2) near-ring
One end of shape flange (3.1) is provided with the inclined-plane being engaged with annular slope, deviates from positioned at helical gear disk (2) in described sleeve pipe (3)
One end of annular flange flange (3.1) is provided with holddown spring (5), and one end of the holddown spring (5) and helical teeth wheel disc (2) are away from annular
One end of flange (3.1) leans, and the other end of holddown spring (5) leans with the buckle (6) being fixed on sleeve pipe (3).
3. the double clutch slipping device of automobile rear view mirror driver according to claim 1, it is characterised in that：The set
Pipe (3) is provided with an elastic fastening circle (7), and the medial wall of the elastic fastening circle (7) is pasted with the lateral wall of whole pawls head (4)
Close.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510077262.2A CN104590132B (en) | 2015-02-13 | 2015-02-13 | Double-clutch skid device for mirror surface driver of automobile rearview mirror |
| PCT/CN2016/073423 WO2016127901A1 (en) | 2015-02-13 | 2016-02-04 | Dual-clutch skid device for mirror driver of automobile rearview mirror |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510077262.2A CN104590132B (en) | 2015-02-13 | 2015-02-13 | Double-clutch skid device for mirror surface driver of automobile rearview mirror |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104590132A CN104590132A (en) | 2015-05-06 |
| CN104590132B true CN104590132B (en) | 2017-04-26 |
Family
ID=53116312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510077262.2A Active CN104590132B (en) | 2015-02-13 | 2015-02-13 | Double-clutch skid device for mirror surface driver of automobile rearview mirror |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104590132B (en) |
| WO (1) | WO2016127901A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104590132B (en) * | 2015-02-13 | 2017-04-26 | 宁波精成车业有限公司 | Double-clutch skid device for mirror surface driver of automobile rearview mirror |
| CN110154921B (en) * | 2018-02-11 | 2022-12-09 | 比亚迪股份有限公司 | Actuating mechanism for adjusting display terminal and vehicle |
| CN113043875B (en) * | 2021-03-10 | 2022-06-21 | 连云港鸿云实业有限公司 | A bank high-voltage charging connecting device for pure electric harbor operation ship |
| CN114800073B (en) * | 2022-05-17 | 2023-06-06 | 浙江金马逊智能制造股份有限公司 | Adaptive clamping method and device for various pipe fittings for aerospace |
| CN116552383B (en) * | 2023-07-10 | 2023-09-19 | 宁波胜维德赫华翔汽车镜有限公司 | Actuator buffer structure, rearview mirror and vehicle |
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|---|---|---|---|---|
| EP0440819A1 (en) * | 1989-08-31 | 1991-08-14 | Ichikoh Industries Limited | Electrically retractable door mirror |
| JPH08310303A (en) * | 1995-05-22 | 1996-11-26 | Ichikoh Ind Ltd | Over-load preventing mechanism for remote control mirror |
| CN1266787A (en) * | 2000-04-07 | 2000-09-20 | 王振惠 | Automatic folding mechanism for electric rear-view mirror |
| CN2419103Y (en) * | 2000-04-07 | 2001-02-14 | 王振惠 | Automatic folding machanism for electric backview mirror shell |
| EP1184222A2 (en) * | 2000-08-31 | 2002-03-06 | Bühler Motor GmbH | Device for moving a vehicular mirror |
| CN103711805A (en) * | 2012-10-02 | 2014-04-09 | 菲科车镜公司 | Clutch suitable for vehicles' powered mirrors |
| CN204432526U (en) * | 2015-02-13 | 2015-07-01 | 宁波精成车业有限公司 | The two clutch slipping device of automobile rear view mirror driver |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NZ224444A (en) * | 1987-05-04 | 1990-03-27 | Britax Rainsfords Pty Ltd | Electrical drive and position sensing system for vehicle rear vision mirror |
| JP3181220B2 (en) * | 1996-05-10 | 2001-07-03 | 株式会社村上開明堂 | Rearview mirror angle adjustment device |
| JP2001039222A (en) * | 1999-08-02 | 2001-02-13 | Sakae Riken Kogyo Kk | Electrically operated mirror device |
| DE102005046384B4 (en) * | 2005-09-28 | 2014-08-07 | Em Kunststofftechnik Gmbh | Slip clutch for an electromotive adjusting device |
| JP2008234861A (en) * | 2007-03-16 | 2008-10-02 | Stanley Electric Co Ltd | Lighting fixture for vehicle |
| CN104590132B (en) * | 2015-02-13 | 2017-04-26 | 宁波精成车业有限公司 | Double-clutch skid device for mirror surface driver of automobile rearview mirror |
-
2015
- 2015-02-13 CN CN201510077262.2A patent/CN104590132B/en active Active
-
2016
- 2016-02-04 WO PCT/CN2016/073423 patent/WO2016127901A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0440819A1 (en) * | 1989-08-31 | 1991-08-14 | Ichikoh Industries Limited | Electrically retractable door mirror |
| JPH08310303A (en) * | 1995-05-22 | 1996-11-26 | Ichikoh Ind Ltd | Over-load preventing mechanism for remote control mirror |
| CN1266787A (en) * | 2000-04-07 | 2000-09-20 | 王振惠 | Automatic folding mechanism for electric rear-view mirror |
| CN2419103Y (en) * | 2000-04-07 | 2001-02-14 | 王振惠 | Automatic folding machanism for electric backview mirror shell |
| EP1184222A2 (en) * | 2000-08-31 | 2002-03-06 | Bühler Motor GmbH | Device for moving a vehicular mirror |
| CN103711805A (en) * | 2012-10-02 | 2014-04-09 | 菲科车镜公司 | Clutch suitable for vehicles' powered mirrors |
| CN204432526U (en) * | 2015-02-13 | 2015-07-01 | 宁波精成车业有限公司 | The two clutch slipping device of automobile rear view mirror driver |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016127901A1 (en) | 2016-08-18 |
| CN104590132A (en) | 2015-05-06 |
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