CN104044509B - Rearview mirror fold mechanism - Google Patents
Rearview mirror fold mechanism Download PDFInfo
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- CN104044509B CN104044509B CN201410244345.1A CN201410244345A CN104044509B CN 104044509 B CN104044509 B CN 104044509B CN 201410244345 A CN201410244345 A CN 201410244345A CN 104044509 B CN104044509 B CN 104044509B
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Abstract
The invention belongs to car accessories field, particularly to a kind of electronic folding mechanism of rearview mirror.nullRearview mirror fold mechanism，It front portion including fixing housing is provided with rotation cavity，Rotating mechanism is arranged in rotating drum body，Driving device is connected with rotating mechanism by second-stage worm gear worm mechanism，Rotating mechanism is connected with external parts，Described rotating mechanism includes the rotating base being arranged in the rotating drum body of fixing housing，The lower end of rotating base is connected with external parts，And the power transmission shaft being connected with second-stage worm gear worm mechanism，The surface configuration of power transmission shaft has screw mandrel，Screw mandrel is connected to driving elevator，The side face driving elevator is symmetrically arranged with guide post，The centre of surface symmetry of rotating base offers the arc guide groove running through rotating base surface，The internal face rotating cavity is symmetrically arranged with mounting groove，Guide pad it is provided with in mounting groove，Gathering sill it is provided with in guide pad，Guide post coordinates through the arc guide groove of rotating base with the gathering sill of pilot hole.
Description
Technical field
The invention belongs to car accessories field, particularly to a kind of electronic folding mechanism of rearview mirror, this fold mechanism may be used for the outer suspension rearview mirror of oversize vehicle.
Background technology
The outside rear-view mirror of existing large-scale passenger stock generally adopts rabbit formula structure, it is impossible to fold.These large-scale passenger stocks are in the process passing through narrower charge crossing, or send a car in the process carrying out meeting with opposite direction on relatively narrow lane face, and its outside rear-view mirror easily scratches with barrier or send a car, and the problems referred to above also can occur in docking process.
Prior art also has the correlation technique on motorbus, as publication number CN103350665A discloses a kind of passenger vehicle outside rear-view mirror assembly with folder function, its technical scheme is as follows: this fold mechanism includes steelframe, motor is located in steelframe, the output shaft of power transmission shaft and motor is linked, motor drags swivel nut tooth bar by power transmission shaft and seesaws, gear matches with swivel nut tooth bar, swivel nut rack drives pinion rotation, one end of transition frame is enclosed within outside the rotation axle of gear, pipe support is connected on the other end of transition frame, and transition frame and pipe support follow pinion rotation；Its merits and demerits motor drives drive axis, power transmission shaft is connected driving swivel nut tooth bar and seesaws with swivel nut tooth bar, gear coordinates with swivel nut gear, thus realizing the rotation of procapsid, then the rotation of camera lens assembly is realized, the rotating speed of the motor in the program is uncontrollable, the rotating speed of motor is general all more than 500 revs/min, and adopt screw rod to drive tooth bar to move with coordinating of nut, the gear ratio of screw rod and nut is little, it is impossible to plays the effect of deceleration, therefore causes the motion of camera lens assembly too fast, the noise of additionally gear drive process is relatively big, and ride comfort is poor.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, it is high that the present invention devises a kind of transmission efficiency, stable drive, the folding mechanism of rearview mirror of compact conformation.
The present invention is achieved through the following technical solutions:
Rearview mirror fold mechanism, it includes the fixing housing being connected with vehicle part, and the middle part of fixing housing is provided with machine cavity, and driving device is arranged in machine cavity, and the end of machine cavity is provided with the motor seal end cap being connected on housing.The front portion of fixing housing is provided with rotation cavity, rotating mechanism is arranged in rotating drum body, driving device is connected with rotating mechanism by second-stage worm gear worm mechanism, rotating mechanism is connected with external parts, described rotating mechanism includes the rotating base being arranged in the rotating drum body of fixing housing, the lower end of rotating base is connected with external parts, and the power transmission shaft being connected with second-stage worm gear worm mechanism, the surface configuration of power transmission shaft has screw mandrel, screw mandrel is connected to driving elevator, the side face driving elevator is symmetrically arranged with guide post, the centre of surface symmetry of rotating base offers the arc guide groove running through rotating base surface, the internal face rotating cavity is symmetrically arranged with mounting groove, guide pad it is provided with in mounting groove, gathering sill it is provided with in guide pad, guide post coordinates through the arc guide groove of rotating base with the gathering sill of guide pad.
Described second-stage worm gear worm mechanism includes the first worm screw being connected with driving device output shaft, and the first worm screw is connected with the first worm gear, and the first worm gear connects by connecting axle and the second worm screw, and the second worm screw is connected to the second worm gear, and the second worm gear is connected with rotating mechanism.
It is provided with engaging mechanism between the external parts of lower surface of described rotating base.
Described engaging mechanism includes the engaging tooth being arranged on rotating base lower surface, and is arranged on the tooth-like recesses on external parts, and engaging tooth coordinates with tooth-like recesses.
It is provided with retaining mechanism between described external parts and fixing housing, described retaining mechanism includes one group of locking rib that the surface of fixing housing is axially disposed, locking rib is symmetricly set on the surface of fixing housing, external parts are provided with guiding voussoir, and guiding voussoir is between locking rib.
Described fixing housing and external parts all adopt aluminum material die casting to form.
In sum, the method have the advantages that
1, first, the present invention adopts second-stage worm gear worm mechanism as the drive mechanism of the present invention, due to the stable drive of worm-and-wheel gear, gear ratio is big and transmits the characteristic that moment of torsion is big, stable drive ensure that the stationarity of the folding process of whole rearview mirror, the big one side of gear ratio can effectively reduce the difficulty of selection of Motor, it is easy to control the movement velocity of rearview mirror leading portion housing assembly on the other hand, avoid the occurrence of the generation of folding too fast phenomenon, further ensure that passenger vehicle outside rear-view mirror folded flat stability.
2, the housing of power fold mechanism of the present invention adopts the mode of integrated die-casting molding to process, what die cast processed has good precision, ensure that the installation accuracy between power fold mechanism and rearview mirror rear housing assembly and rearview mirror leading portion housing assembly on the one hand, also ensure that the assembly precision of housing and all parts on the other hand, the assembly precision high energy of each assembly effectively eliminates the vibration produced in whole fold mechanism running simultaneously, meets the requirement of vibration test.
Accompanying drawing explanation
By the detailed description below in conjunction with accompanying drawing, the present invention is aforesaid be will become clear from other purpose, feature and advantage.Wherein:
Fig. 1 is the structural representation of folding mechanism of rearview mirror；
Fig. 2 is the structural representation removing external parts；
Fig. 3 is the top view of Fig. 2；
Fig. 4 is the schematic perspective view of external parts；
Fig. 5 is the structural representation of fixing housing；
Fig. 6 is the top view of Fig. 5；
Fig. 7 is the structural representation of driving device and rotating mechanism；
Fig. 8 is rotating mechanism schematic diagram；
In figure, 1 is guide pad, and 2 is motor seal end cap, and 3 is external parts, and 4 is fixing housing, 41 is machine cavity, and 42 for rotating cavity, and 421 is mounting groove, and 43 is locking rib, 5 is guiding voussoir, and 6 is rotating mechanism, and 60 is rotating base, and 61 is arc guide groove, 62 is engaging tooth, and 7 is power transmission shaft, and 72 for driving elevator, and 73 is guide post, 8 is driving device, and 9 is second-stage worm gear worm mechanism, and 91 is the first worm screw, and 92 is the first worm gear, 93 for connecting axle, and 94 is the second worm screw, and 95 is the second worm gear.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described.
nullRearview mirror fold mechanism as shown in Figures 1 to 8，It includes the fixing housing 4 being connected with vehicle part，The middle part of fixing housing 4 is provided with machine cavity 41，Driving device 8 is arranged in machine cavity 41，The end of machine cavity 41 is provided with the motor seal end cap 2 being connected on housing，The front portion of fixing housing 41 is provided with rotation cavity 42，Rotating mechanism 6 is arranged in rotation cavity 42，Driving device 8 is connected with rotating mechanism 6 by second-stage worm gear worm mechanism 9，Rotating mechanism 6 is connected with external parts 3，Described rotating mechanism 6 includes the rotating base 60 rotated in cavity 42 being arranged on fixing housing 4，The lower end of rotating base 60 is connected with external parts 3，And the power transmission shaft 7 being connected with second-stage worm gear worm mechanism 9，The surface configuration of power transmission shaft 7 has screw mandrel，Screw mandrel is connected to driving elevator 72，The side face driving elevator 72 is symmetrically arranged with guide post 73，The centre of surface symmetry of rotating base 60 offers the arc guide groove 61 running through rotating base surface，The internal face rotating cavity 42 is symmetrically arranged with mounting groove 421，Guide pad 1 it is provided with in mounting groove 421，It is provided with gathering sill in guide pad 1，Guide post 73 coordinates through the arc guide groove 61 of rotating base with the gathering sill of guide pad 1.
The invention discloses a kind of folding mechanism of rearview mirror, between external parts and fixing housing 90 ° folding can be realized, the present invention adopts second-stage worm gear worm mechanism as the drive mechanism of the present invention, stable drive due to worm-and-wheel gear, the characteristic that gear ratio is big and transmission moment of torsion is big, stable drive ensure that the stationarity of the folding process of whole rearview mirror, the big one side of gear ratio can effectively reduce the difficulty of selection of Motor, it is easy to control the movement velocity of rearview mirror leading portion housing assembly on the other hand, avoid the occurrence of the generation of folding too fast phenomenon, further ensure that passenger vehicle outside rear-view mirror folded flat stability.
Described second-stage worm gear worm mechanism includes the first worm screw 91 being connected with driving device output shaft, first worm screw 91 is connected with the first worm gear 92, first worm gear 492 is connected with the second worm screw 94 by connecting axle 93, and the second worm screw 94 is connected to the second worm gear 95, and the second worm gear 95 is connected with rotating mechanism 6.
Being provided with engaging mechanism between lower surface and the external parts 3 of described rotating base 60, engaging mechanism has a lot of form, common are coordinating of rod member and hole, between engaging tooth coordinate or other can realize the bindiny mechanism of power transmission.
Preferably, described engaging mechanism includes the engaging tooth 62 being arranged on rotating base lower surface, and is arranged on the tooth-like recesses 31 on external parts, and engaging tooth 62 coordinates with tooth-like recesses 31.
It is provided with retaining mechanism between described external parts 3 and fixing housing 4, described retaining mechanism includes one group of locking rib 43 that the surface of fixing housing 4 is axially disposed, locking rib 43 is symmetricly set on the surface of fixing housing 4, external parts 3 are provided with guiding voussoir 5, and guiding voussoir 5 is between locking rib 43, the retaining mechanism arranged is for limiting the anglec of rotation between external parts and fixing housing, prevent the anglec of rotation excessive, cause external firmware and fixing housing and and vehicle housing between interfere, avoid folding process crashes.
Described fixing housing and external parts all adopt aluminum material die casting to form.
In sum, the method have the advantages that
1, first, the present invention adopts second-stage worm gear worm mechanism as the drive mechanism of the present invention, due to the stable drive of worm-and-wheel gear, gear ratio is big and transmits the characteristic that moment of torsion is big, stable drive ensure that the stationarity of the folding process of whole rearview mirror, the big one side of gear ratio can effectively reduce the difficulty of selection of Motor, it is easy to control the movement velocity of rearview mirror leading portion housing assembly on the other hand, avoid the occurrence of the generation of folding too fast phenomenon, further ensure that passenger vehicle outside rear-view mirror folded flat stability.
2, the housing of power fold mechanism of the present invention adopts the mode of integrated die-casting molding to process, what die cast processed has good precision, ensure that the installation accuracy between power fold mechanism and rearview mirror rear housing assembly and rearview mirror leading portion housing assembly on the one hand, also ensure that the assembly precision of housing and all parts on the other hand, the assembly precision high energy of each assembly effectively eliminates the vibration produced in whole fold mechanism running simultaneously, meets the requirement of vibration test.
The invention is not limited in described embodiment, namely those skilled in the art discloses in scope in the spirit without departing from the present invention, still can make some and revises or change, therefore the scope that the scope of the present invention limits with claims is as the criterion.
Claims (6)
1. rearview mirror fold mechanism, it includes the fixing housing being connected with vehicle part, and the middle part of fixing housing is provided with machine cavity, and driving device is arranged in machine cavity, and the end of machine cavity is provided with the motor seal end cap being connected on housing；The front portion of fixing housing is provided with rotation cavity, rotating mechanism is arranged in rotating drum body, driving device is connected with rotating mechanism by second-stage worm gear worm mechanism, rotating mechanism is connected with external parts, described rotating mechanism includes the rotating base being arranged in the rotating drum body of fixing housing, the lower end of rotating base is connected with external parts, and the power transmission shaft being connected with second-stage worm gear worm mechanism, the surface configuration of power transmission shaft has screw mandrel, screw mandrel is connected to driving elevator, the side face driving elevator is symmetrically arranged with guide post, the centre of surface symmetry of rotating base offers the arc guide groove running through rotating base surface, the internal face rotating cavity is symmetrically arranged with mounting groove, guide pad it is provided with in mounting groove, gathering sill it is provided with in guide pad, guide post coordinates through the arc guide groove of rotating base with the gathering sill of guide pad.
2. rearview mirror fold mechanism according to claim 1, it is characterized in that: described second-stage worm gear worm mechanism includes the first worm screw being connected with driving device output shaft, first worm screw is connected with the first worm gear, first worm gear connects by connecting axle and the second worm screw, second worm screw is connected to the second worm gear, and the second worm gear is connected with rotating mechanism.
3. rearview mirror fold mechanism according to claim 1, it is characterised in that: it is provided with engaging mechanism between lower surface and the external parts of described rotating base.
4. rearview mirror fold mechanism according to claim 3, it is characterised in that: described engaging mechanism includes the engaging tooth being arranged on rotating base lower surface, and is arranged on the tooth-like recesses on external parts, and engaging tooth coordinates with tooth-like recesses.
5. rearview mirror fold mechanism according to claim 1, it is characterized in that: between described external parts and fixing housing, be provided with retaining mechanism, described retaining mechanism includes one group of locking rib that the surface of fixing housing is axially disposed, locking rib is symmetricly set on the surface of fixing housing, external parts are provided with guiding voussoir, and guiding voussoir is between locking rib.
6. rearview mirror fold mechanism according to claim 1, it is characterised in that: described fixing housing and external parts all adopt aluminum material die casting to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410244345.1A CN104044509B (en) | 2014-06-04 | 2014-06-04 | Rearview mirror fold mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410244345.1A CN104044509B (en) | 2014-06-04 | 2014-06-04 | Rearview mirror fold mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104044509A CN104044509A (en) | 2014-09-17 |
| CN104044509B true CN104044509B (en) | 2016-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410244345.1A Active CN104044509B (en) | 2014-06-04 | 2014-06-04 | Rearview mirror fold mechanism |
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| CN (1) | CN104044509B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110481437B (en) * | 2019-07-10 | 2022-09-20 | 宁波工程学院 | Electric folding device for rearview mirror |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2419103Y (en) * | 2000-04-07 | 2001-02-14 | 王振惠 | Automatic folding machanism for electric backview mirror shell |
| CN201075778Y (en) * | 2007-08-31 | 2008-06-18 | 上海世科嘉车辆技术研发有限公司 | Bidimensional electric regulating system of rear view mirror single electric machine |
| KR100963386B1 (en) * | 2008-12-18 | 2010-06-14 | 에스엠알 페턴츠 에스.에이.알.엘. | Driver for outside view mirror for vehicle |
| JP5556621B2 (en) * | 2010-11-26 | 2014-07-23 | 市光工業株式会社 | Outside mirror device for vehicle |
| CN203528382U (en) * | 2013-10-31 | 2014-04-09 | 浙江海华电气有限公司 | Rearview mirror motor |
| CN203995962U (en) * | 2014-06-04 | 2014-12-10 | 常州市凯凌车配有限公司 | Back mirror fold mechanism |
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| CN104044509A (en) | 2014-09-17 |
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