CN101407194A - Screw lifting mechanism of automobile rearview mirror surface driver - Google Patents
Screw lifting mechanism of automobile rearview mirror surface driver Download PDFInfo
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- CN101407194A CN101407194A CNA2008101621066A CN200810162106A CN101407194A CN 101407194 A CN101407194 A CN 101407194A CN A2008101621066 A CNA2008101621066 A CN A2008101621066A CN 200810162106 A CN200810162106 A CN 200810162106A CN 101407194 A CN101407194 A CN 101407194A
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- sphere
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- wheel disc
- lifting mechanism
- helical teeth
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- Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)
Abstract
The invention discloses a screw lifting mechanism for a mirror surface driver for a rearview mirror of an automobile, which consists of a motor worm, a skew gear disc, a lifting screw, a base, an upper cover and a floating plate provided with the rearview mirror. The center of the skew gear disc is provided with a center hole, the underside of the skew gear disc is provided with a cylinder which is connected with the center hole of the skew gear disc to form a through hole, the upside of the center hole of a skew gear is provided with a screwed claw, the periphery of the screwed claw at the upside of the skew gear disc is provided with a circular convex ring, and the floating plate at the upper end of the lifting screw is hinged by a ball head. The screw lifting mechanism is characterized in that the circular convex ring is provided with a swing ball ring, and the lower part of the cylinder is provided with a rotating spherical surface. The screw lifting mechanism has the advantages that when the mirror surface angle of the rearview mirror is adjusted, the driver runs smoothly, so no interference is generated, the noise is extremely low, the phenomenon that electric current increases suddenly when the mirror surface driver runs does not occur, and the service life of the mirror surface driver can be prolonged.
Description
Technical field:
The present invention relates to a kind of automobile rear-vision mirror face actuating device, specifically is a kind of screw lifting mechanism of automobile rear view mirror driver.
Background technology:
Automobile rearview mirror is mounted in the outdoor left and right sides of vehicle drive important accessory in front of the door, and it observes scene behind the vehicle body for navigating mate, carries out safe driving and plays a part very important.And be installed in screw lifting mechanism in the automobile rear view mirror driver, and be to regulate rear-vision mirror face angle and visual range, accurately reflect one of core component of the scene behind the vehicle body.
At the existing mirror driver that is used for automobile rearview mirror, the drive mechanism that a kind of mirror driver is arranged is the lifting mechanism that has adopted worm gear, worm screw, and this lifting mechanism is made up of motor worm, helical teeth wheel disc, lifting screw, base, loam cake and float plate that back mirror is installed.The center of helical teeth wheel disc is provided with centre hole, the downside of helical teeth wheel disc is provided with cylinder, cylinder and helical gear centre hole are connected to through hole, the upside of helical gear centre hole is provided with screwed claw, the screwed claw periphery of helical teeth wheel disc upside is provided with the boss ring, helical teeth wheel disc and cylinder, screwed claw and boss ring connect as one, lifting screw be inserted in through hole and with the mutually meshing connection of screwed claw, it is that bulb is hinged that the upper end of lifting screw is passed behind the loam cake with the float plate that back mirror is installed, the downside of loam cake is provided with the boss annular space chamber of matching with the boss ring, boss ring and boss annular space chamber are free-running fit, the upside of base is provided with the cylinder cavity that matches with cylinder, and cylinder and cylinder cavity are free-running fit.There are following deficiency in this set and its structural relation: because the boss ring and the boss annular space chamber of helical teeth wheel disc upside are the perpendicularity free-running fit, same, the cylinder of helical teeth wheel disc downside and base upside cylinder cavity are the perpendicularity free-running fit.Like this, when motor worm drives the helical wheel disc spins, the helical teeth wheel disc drives the lifting screw up-and-down movement by the screwed claw on the through hole, when regulating the rear-vision mirror face angle, the float plate that back mirror is installed can produce leaning angle, float plate must promote lifting screw to lopsidedness, lifting screw drives with the helical teeth wheel disc and links to each other in the boss ring and the cylinder inclination of one, at this moment, the boss ring in boss annular space chamber and cylinder in the cylinder cavity, also can tilt, because above-mentioned boss ring and boss annular space chamber are that perpendicularity free-running fit and cylinder and base upside cylinder cavity are the structural relation of perpendicularity free-running fit, the boss ring in boss annular space chamber and the inclination of cylinder in the cylinder cavity screens must take place or withstand, and severe interference takes place in boss ring that the helical teeth wheel disc is connected as a single entity and cylinder in boss annular space chamber and between the cylinder cavity, make mirror driver produce bigger noise, the lighter, the meeting mirror driver passes to the bumpy motion of rear view mirror lens, make back mirror in driving the process of regulating, can shake, have a strong impact on the result of use of product, weight person, can cause mirror driver electric current in operational process to increase suddenly, in the course of time, can damage miniature motor, thereby shortened the service life of mirror driver, even can burn miniature motor.The more important thing is that mirror driver operates steadily, make rear-vision mirror face in driving the process of regulating, steady and audible backsight image can be provided, increased traveling security greatly.
Summary of the invention:
The technical problem to be solved in the present invention is, provides a kind of and operates steadily when adjusting back mirror, can not produce interference, utmost point low noise, the automobile rear view mirror driver screw lifting mechanism that can prolong the service life of mirror driver.
Technical solution of the present invention is that a kind of automobile rear view mirror driver screw lifting mechanism with following structure is provided.
This lifting mechanism includes the helical teeth wheel disc, the helical teeth wheel disc is provided with centre hole, the downside of helical teeth wheel disc is provided with cylinder, cylinder and helical gear centre hole are connected to through hole, at the centre hole edge of helical teeth wheel disc upside along centre hole axis to being provided with screwed claw, the screwed claw periphery of helical teeth wheel disc upside is provided with the boss ring, helical teeth wheel disc and cylinder, screwed claw and boss ring are disjunctor, lifting screw be inserted in through hole and with the mutually meshing connection of screwed claw, it is that bulb is hinged that the upper end of lifting screw is passed behind the loam cake with the float plate that back mirror is installed, be characterized in, described boss ring is provided with the sliding surface pendular body, and the outer wall of described cylinder bottom is provided with the sliding surface rotor.
Described sliding surface pendular body is the swing ball.
Described sliding surface rotor is for rotating sphere.
Virtual spheroid is in the spheroid of the spheroid virtual with the ball face of described swing ball with the sphere of described rotation sphere.
The centre of sphere of virtual sphere is with the centre of sphere of virtual sphere is the same centre of sphere with the ball face of described swing ball with the sphere of described rotation sphere.
After adopting above structure, compared with prior art, automobile rear view mirror driver screw lifting mechanism of the present invention has the following advantages: because the boss ring that connects as one with the helical teeth wheel disc is provided with the sliding surface swivel, in the last boss annular space chamber that covers, be provided with and the corresponding smooth side of sliding surface swivel, the bottom of the cylinder that connects as one with the helical teeth wheel disc is provided with the sliding surface rotor, inwall at the cylinder cavity of base is provided with and rotates the corresponding smooth side of sphere, when motor worm drives the helical wheel disc spins, the helical teeth wheel disc drives the lifting screw up-and-down movement by screwed claw, when regulating the rear-vision mirror face angle, the boss ring in boss annular space chamber and the inclination of cylinder in the cylinder cavity screens can not take place or withstand, actuator operates steadily, can not produce interference, steady and audible backsight image can be provided, noise is extremely low, and the mirror driver phenomenon that electric current increases suddenly in operational process can not take place, and can prolong the service life of mirror driver.
Description of drawings:
Fig. 1 is existing automobile rear view mirror driver screw lifting mechanism scheme drawing;
Fig. 2 is the cross section enlarged diagram of Fig. 1;
Fig. 3 is an automobile rear view mirror driver screw lifting mechanism scheme drawing of the present invention;
Fig. 4 is the cross section enlarged diagram of Fig. 3;
Fig. 5 is the schematic perspective view of the rotation sphere among the present invention;
Fig. 6 is the schematic perspective view of the swing ball among the present invention.
Shown in the figure: 1, motor worm, 2, the helical teeth wheel disc, 3, lifting screw, 4, base, 5, loam cake, 6, float plate, 7, boss ring, 8, boss annular space chamber, 9, cylinder, 10, cylinder cavity, 11, through hole, 12, screwed claw, 13, rotate sphere, 14, the swing ball, 15, the sphere ring, 16, ball face, 17, the centre of sphere.
The specific embodiment:
Below in conjunction with the drawings and specific embodiments automobile rear view mirror driver screw lifting mechanism of the present invention is described further:
Fig. 1 is existing automobile rear view mirror driver screw lifting mechanism scheme drawing; Fig. 2 is the cross section enlarged diagram of Fig. 1; To do contrast of the present invention.
Fig. 3 and Fig. 4 have clearly illustrated the structural relation of each parts of automobile rear view mirror driver screw lifting mechanism of the present invention.Automobile rear view mirror driver mainly is made up of motor worm 1, helical teeth wheel disc 2, lifting screw 3, base 4, loam cake 5 and float plate 6 that back mirror is installed etc.The automobile rear view mirror driver lifting mechanism comprises helical teeth wheel disc 2, the center of helical teeth wheel disc 2 is provided with centre hole, the downside of helical teeth wheel disc 2 is provided with cylinder 9, cylinder 9 is connected to through hole 11 with helical gear centre hole, the upside of the centre hole of helical teeth wheel disc 2 is provided with screwed claw 12, screwed claw 12 peripheries of helical teeth wheel disc 2 upsides are provided with boss ring 7, helical teeth wheel disc 2 and cylinder 9, screwed claw 12 and boss ring 7 connect as one, lifting screw 3 be inserted in through hole 11 and with screwed claw 12 mutually meshing connections, it is hinged for bulb with the float plate 6 that back mirror is installed that loam cake 5 backs are passed in the upper end of lifting screw 3, the downside of loam cake 5 is provided with the boss annular space chamber 8 of matching with boss ring 7, boss ring 7 is a free-running fit with boss annular space chamber 8, the upside of base 4 is provided with the cylinder cavity 10 that matches with cylinder 9, and cylinder 9 is a free-running fit with cylinder cavity 10.Be characterized in, described boss ring 7 is provided with the sliding surface pendular body, in the last boss annular space chamber 8 that covers, be provided with and the corresponding smooth side of sliding surface swivel, be provided with the sliding surface rotor in the bottom of described cylinder 9, be provided with and the corresponding smooth side of rotor at the inwall of the cylinder cavity 10 of base.
Described sliding surface swivel is swing ball 14, and the interior smooth side in boss annular space chamber 8 is arranged to ball face 16 on the described loam cake 5.
Described sliding surface rotor is for rotating sphere 13, and the smooth side on the inwall of described base cylinder cavity 9 is arranged to sphere ring 15.
Virtual spheroid is in the spheroid of the spheroid virtual with the ball face of described swing ball 14 with the sphere of described rotation sphere 13.
The centre of sphere of virtual sphere is with the centre of sphere of virtual sphere is the same centre of sphere 17 with the ball face of described swing ball 14 with the sphere of described rotation sphere 13.
Principle of work is: when motor worm drives the helical wheel disc spins, the helical teeth wheel disc drives lifting screws 3 up-and-down movements by the through hole 11 in the centre of the boss ring 7 that connects as one and cylinder 9, because an end of lifting screw 3 passes behind the loam cake and float plate 6 usefulness bulbs are hinged, the swing of float plate 6 can make lifting screw 3 tilt, thereby can make 2 run-off the straights of helical teeth wheel disc, this moment is owing to increased swing ball 14 and turned to ball 13, make helical teeth wheel disc 2 freely to tilt, not can with base 4, loam cake 5 produces interferes, rotate freely, operate steadily, noise is extremely low, the mirror driver phenomenon that electric current increases suddenly in operational process can not take place, and can prolong the service life of mirror driver.Solved original mirror driver preferably because of severe interference takes place, made mirror driver produce bigger noise, the variety of issue of shake can take place in back mirror in driving the process of regulating.
Claims (4)
1, a kind of screw lifting mechanism of automobile rear view mirror driver, comprise helical teeth wheel disc (2), helical teeth wheel disc (2) is provided with centre hole, the downside of helical teeth wheel disc (2) is provided with cylinder (9), cylinder (9) is connected to through hole (11) with helical gear centre hole, edge in helical teeth wheel disc (2) upper center hole is provided with screwed claw (12) vertically, the outer periphery of helical teeth wheel disc (2) upside screwed claw (12) is equipped with boss ring (7), helical teeth wheel disc (2) and cylinder (9), screwed claw (12) and boss ring (7) are disjunctor, lifting screw (3) be inserted in through hole (11) and with the mutually meshing connection of screwed claw (12), it is hinged for bulb with the float plate (6) that back mirror is installed that loam cake (5) back is passed in the upper end of lifting screw (3), it is characterized in that: described boss ring (7) is provided with the sliding surface swivel, in the last boss annular space chamber (8) that covers, be provided with and the corresponding smooth side of sliding surface swivel, bottom at described cylinder (9) is provided with the sliding surface rotor, is provided with and the corresponding smooth side of rotor at the inwall of the cylinder cavity (10) of base.
2, the screw lifting mechanism of car rear view mirror driver as claimed in claim 1 is characterized in that: described sliding surface pendular body is swing ball (14), and described sliding surface rotor is for rotating sphere (13).
3, the screw lifting mechanism of car rear view mirror driver as claimed in claim 2 is characterized in that: virtual spheroid is in the spheroid of the spheroid virtual with the ball face of described swing ball (14) with the sphere of described rotation sphere (13).
4, the screw lifting mechanism of car rear view mirror driver as claimed in claim 3 is characterized in that: the centre of sphere of virtual sphere is with the centre of sphere of virtual sphere is the same centre of sphere with the ball face of described swing ball (14) with the sphere of described rotation sphere (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101621066A CN101407194A (en) | 2008-11-12 | 2008-11-12 | Screw lifting mechanism of automobile rearview mirror surface driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101621066A CN101407194A (en) | 2008-11-12 | 2008-11-12 | Screw lifting mechanism of automobile rearview mirror surface driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101407194A true CN101407194A (en) | 2009-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101621066A Pending CN101407194A (en) | 2008-11-12 | 2008-11-12 | Screw lifting mechanism of automobile rearview mirror surface driver |
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| Country | Link |
|---|---|
| CN (1) | CN101407194A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106143310A (en) * | 2016-08-30 | 2016-11-23 | 厦门厦华新技术有限公司 | There is the room mirror of function of auto-lift |
| CN107139842A (en) * | 2017-05-27 | 2017-09-08 | 成都创科升电子科技有限责任公司 | Control system for adjusting vehicle mirrors |
| CN109259993A (en) * | 2018-11-01 | 2019-01-25 | 广州润尔健康科技有限公司 | A kind of eye exercise instrument |
-
2008
- 2008-11-12 CN CNA2008101621066A patent/CN101407194A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106143310A (en) * | 2016-08-30 | 2016-11-23 | 厦门厦华新技术有限公司 | There is the room mirror of function of auto-lift |
| CN107139842A (en) * | 2017-05-27 | 2017-09-08 | 成都创科升电子科技有限责任公司 | Control system for adjusting vehicle mirrors |
| CN109259993A (en) * | 2018-11-01 | 2019-01-25 | 广州润尔健康科技有限公司 | A kind of eye exercise instrument |
| CN109259993B (en) * | 2018-11-01 | 2024-05-28 | 广州润尔健康科技有限公司 | Eye training instrument |
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Open date: 20090415 |