CN206501787U - Vehicle foldable rear view mirror gear drive - Google Patents
Vehicle foldable rear view mirror gear drive Download PDFInfo
- Publication number
- CN206501787U CN206501787U CN201720030237.3U CN201720030237U CN206501787U CN 206501787 U CN206501787 U CN 206501787U CN 201720030237 U CN201720030237 U CN 201720030237U CN 206501787 U CN206501787 U CN 206501787U
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- CN
- China
- Prior art keywords
- gear
- turbine
- worm screw
- arc section
- arc
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses vehicle foldable rear view mirror gear drive, including housing, motor, splined shaft, first gear, first worm screw coaxially connected with the first gear and the second worm screw, the first turbine with the first worm engaging, the second turbine with the second worm engaging and the second gear engaged simultaneously with the first turbine and the second turbine；First worm screw is identical with the tooth form of second worm screw；First turbine is identical with the tooth form and the number of teeth of second turbine.By this gear drive, while reducing motor speed, it is ensured that the maximum rotating speed of second gear, and second gear stable transmission, due to there is two turbines to coordinate with it, even if there is error in one of turbine, another can also be corrected in time, therefore transmission efficiency is good, and precision is high.
Description
Technical field
The utility model is related to auto parts and components field, more particularly to a kind of vehicle foldable rear view mirror loading drive gear
Put.
Background technology
Automobile rearview mirror is mounted in the important accessory of the left and right sides in front of the door outside car steering room, and it sees for human pilot
Scene after one's death is examined, safe driving is carried out and plays particularly important effect.Rearview mirror is to be arranged on by folder on vehicle body, is led to
Cross folder to be easy to fold up rearview mirror to vehicle body direction, so as to save space, matched somebody with somebody more than existing folder using motor
The gear drive transmission efficiency closed in the folding that multigroup gear realizes rearview mirror, but existing folder is low, and arrangement of gears does not conform to
Reason causes gear wear serious, and service life is short, and sealing is poor, more influences it normally to use after water or dust entrance.
Utility model content
The purpose of this utility model seeks to overcome existing rearview mirror folder inner gear assembly design unreasonable, passes
Efficiency of movement is low, and sealing is poor, and the problem of service life is short is there is provided a kind of vehicle foldable rear view mirror gear drive, and it has
There is reasonable in design good airproof performance, service life is long, the characteristics of transmission efficiency.
To achieve the above object, the vehicle foldable rear view mirror gear drive designed by the utility model, including shell
Body and the motor in the housing, the splined shaft in the rotary shaft of the motor, engaged with the splined shaft
One gear and the first coaxially connected worm screw of the first gear and the second worm screw, the first whirlpool with first worm engaging
Wheel, the second turbine with second worm engaging and the second gear engaged simultaneously with first turbine and the second turbine；
First worm screw and second worm screw are respectively arranged on the first gear both sides, and one end of first worm screw is arranged admittedly
In the axis hole for being scheduled on the first gear, second worm screw one end relative with first worm screw, which is arranged, is fixed on described
In the axis hole of one gear；First worm screw is identical with the tooth form of second worm screw；First turbine and second whirlpool
The tooth form of wheel is identical with the number of teeth.
Further, the axial line of the axial line of the splined shaft and the second gear is vertical shape, and is spatially located
In same plane；The axle center of the first gear to be horizontal, the first gear by the plane spatially symmetrically
Segmentation；First turbine with second turbine arrange by the face specular centered on the plane.
Further, the shell includes the first arc section, the second segmental arc, the 3rd segmental arc and the 4th arc section；It is described
The center of circle of first arc section and the axis coinciding of the splined shaft；The center of circle of 4th arc section and the axle of the second gear
The heart is overlapped, and the 4th arc section is oppositely arranged with first arc section；Second segmental arc is located at the plane
Right side, its two ends are connected with first arc section and the 4th arc section one end respectively；3rd segmental arc is located at described flat
The left side in face, its two ends are connected with first arc section and the 4th arc section other end respectively；First arc section and institute
The distance between outside circle of second gear is stated more than 1cm, and less than 2cm.
Further, the housing is respectively provided with one admittedly on the inside of the two ends of second segmental arc and the 3rd segmental arc
Rationed marketing or fixing screws.
Further, the housing is provided with lubricating cavity between first turbine and second turbine；The lubricating cavity
It is interior to be provided with gear lubrication powder.
The beneficial effects of the utility model are：By setting a motor to drive splined shaft to rotate in housing, so as to drive
The dynamic first gear engaged is rotated, and the first worm screw and the second worm screw are fixed with due to being arranged in first gear, therefore first
Worm screw and the second worm screw rotate with it, thus with the first worm screw and the first turbine and the second turbine rotation of the second worm engaging,
Final first turbine and the second turbine drive second gear to rotate, and by this gear drive, reduce the same of motor speed
When, it is ensured that the maximum rotating speed of second gear, and second gear stable transmission, due to there is two turbines to coordinate with it, even if its
In a turbine there is error, another can also be corrected in time, therefore transmission efficiency is good, and precision is high；In addition, by shelling machine
Into multiple arc sections, also body seal effect can be caused good while reducing shell, be difficult to enter dirt into water, further improved and use
Life-span；And first be provided with lubricating cavity between turbine and the second turbine；Gear lubrication powder is provided with lubricating cavity；And the first turbine and
Two turbines are the intermediate members of whole device, therefore can reach the lubricant effect to whole device to lubrication herein.
Brief description of the drawings
Fig. 1 is the cross section structure diagram of the utility model vehicle foldable rear view mirror gear drive.
In figure, 1. motors；2. splined shaft；3. first gear；4. the first worm screw；5. the second worm screw；6. the first turbine；7. the
Two turbines；8. second gear；9. plane；10. the first arc section；11. the second segmental arc；12. the 3rd segmental arc；13. the 4th circle
Segmental arc；14. steady pin.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Vehicle foldable rear view mirror gear drive as shown in Figure 1, including housing and motor in housing, set
In the splined shaft in the rotary shaft of motor, the first gear engaged with splined shaft, with the first coaxially connected worm screw of first gear
The second turbine with the second worm screw, with the first turbine of the first worm engaging, with the second worm engaging and simultaneously with the first turbine
The second gear engaged with the second turbine；First worm screw and the second worm screw are respectively arranged on first gear both sides, and the first worm screw
One end is arranged in the axis hole for being fixed on first gear, and the second worm screw one end relative with the first worm screw, which is arranged, is fixed on first gear
Axis hole in；First worm screw is identical with the tooth form of the second worm screw；First turbine is identical with the tooth form and the number of teeth of the second turbine.
The axial line of splined shaft and the axial line of second gear are vertical shape, and are spatially in same plane；First
The axle center of gear is horizontal, and first gear is spatially symmetrically split by plane；First turbine and the second turbine are with flat
Face specular is arranged centered on face.
Shell includes the first arc section, the second segmental arc, the 3rd segmental arc and the 4th arc section；The center of circle of first arc section
With the axis coinciding of splined shaft；The center of circle of 4th arc section and the axis coinciding of second gear, and the 4th arc section and the first circle
Segmental arc is oppositely arranged；Second segmental arc be located at plane right side, its two ends respectively with the first arc section and the 4th arc section one end
Connection；3rd segmental arc is located at the left side of plane, and its two ends is connected with the first arc section and the 4th arc section other end respectively；The
The distance between one arc section and the outside circle of second gear are more than 1cm, and less than 2cm.
Housing is respectively provided with a steady pin or fixing screws on the inside of the two ends of the second segmental arc and the 3rd segmental arc.
Housing is provided with lubricating cavity (not shown) between the first turbine and the second turbine；Gear lubrication powder is provided with lubricating cavity
(not shown).
When electrical power, motor rotates driving splined shaft and rotated, and the first gear engaged is rotated, due to the first snail
Bar and the second worm screw are connected with first gear, therefore while first gear is rotated, and the first worm screw and the second worm screw are also therewith
Rotate together；So the first turbine and the second turbine synchronous axial system, because second gear is engaged with the first turbine and the second turbine,
Therefore second gear is also with rotation；In the rotation of second gear and rearview mirror under the mating reaction of miscellaneous part so that backsight
Mirror is rotated, so as to realize the angular adjustment of rearview mirror.
Claims (5)
1. a kind of vehicle foldable rear view mirror gear drive, it is characterised in that：Including housing and in the housing
Motor, the splined shaft in the rotary shaft of the motor, the first gear engaged with the splined shaft and the first gear
The first coaxially connected worm screw and the second worm screw, the first turbine with first worm engaging and second worm engaging
The second turbine and the second gear that is engaged simultaneously with first turbine and the second turbine；First worm screw and described second
Worm screw is respectively arranged on the first gear both sides, and one end of first worm screw is arranged the axis hole for being fixed on the first gear
Interior, second worm screw one end relative with first worm screw, which is arranged, to be fixed in the axis hole of the first gear；Described
One worm screw is identical with the tooth form of second worm screw；First turbine is identical with the tooth form and the number of teeth of second turbine.
2. vehicle foldable rear view mirror gear drive according to claim 1, it is characterised in that：The splined shaft
The axial line of axial line and the second gear is vertical shape, and is spatially in same plane；The axle of the first gear
The heart is horizontal, and the first gear is spatially symmetrically split by the plane；First turbine and described second
Turbine face specular centered on the plane is arranged.
3. vehicle foldable rear view mirror gear drive according to claim 2, it is characterised in that：The housing includes
First arc section, the second segmental arc, the 3rd segmental arc and the 4th arc section；The center of circle of first arc section and the splined shaft
Axis coinciding；The center of circle of 4th arc section and the axis coinciding of the second gear, and the 4th arc section and institute
The first arc section is stated to be oppositely arranged；Second segmental arc is located at the right side of the plane, and its two ends is justified with described first respectively
Segmental arc and the connection of the 4th arc section one end；3rd segmental arc is located at the left side of the plane, and its two ends is respectively with described the
One arc section and the connection of the 4th arc section other end；The distance between first arc section and the outside circle of the second gear
More than 1cm, and less than 2cm.
4. vehicle foldable rear view mirror gear drive according to claim 3, it is characterised in that：The housing is in institute
A steady pin or fixing screws are respectively provided with the inside of the two ends for stating the second segmental arc and the 3rd segmental arc.
5. the vehicle foldable rear view mirror gear drive according to Claims 2 or 3, it is characterised in that：The housing
Lubricating cavity is provided between first turbine and second turbine；Gear lubrication powder is provided with the lubricating cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720030237.3U CN206501787U (en) | 2017-01-11 | 2017-01-11 | Vehicle foldable rear view mirror gear drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720030237.3U CN206501787U (en) | 2017-01-11 | 2017-01-11 | Vehicle foldable rear view mirror gear drive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206501787U true CN206501787U (en) | 2017-09-19 |
Family
ID=59839416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720030237.3U Expired - Fee Related CN206501787U (en) | 2017-01-11 | 2017-01-11 | Vehicle foldable rear view mirror gear drive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206501787U (en) |
-
2017
- 2017-01-11 CN CN201720030237.3U patent/CN206501787U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170919 Termination date: 20190111 |