CN218640752U - Collapsible CMS outside rear-view mirror structure - Google Patents
Collapsible CMS outside rear-view mirror structure Download PDFInfo
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- CN218640752U CN218640752U CN202223239193.5U CN202223239193U CN218640752U CN 218640752 U CN218640752 U CN 218640752U CN 202223239193 U CN202223239193 U CN 202223239193U CN 218640752 U CN218640752 U CN 218640752U
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- cms
- rearview mirror
- limiting
- foldable
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Abstract
The utility model provides a foldable CMS outer rearview mirror structure, which comprises a base, a rearview mirror shell and a driving mechanism, wherein the base is used as an installation carrier and is connected with an automobile body, and a connecting shaft is fixed on the base; the rearview mirror shell is rotatably arranged on the connecting shaft, and the end part of the rearview mirror shell is provided with a camera; the driving mechanism is arranged in the rearview mirror shell and used for driving the rearview mirror shell to rotate and enabling the rearview mirror shell to be folded or unfolded, the camera faces to a vehicle window when being folded, and the camera faces to the rear of a vehicle body when being unfolded; the driving mechanism comprises a main gear arranged on the connecting shaft and a driving motor fixed on the rearview mirror shell, and the output end of the driving motor is connected with the main gear through a transmission assembly. The utility model discloses collapsible CMS outside rear-view mirror structure, small, the windage is low, does not receive weather effect, and the field of vision is good, and the security of traveling is high.
Description
Technical Field
The utility model relates to a CMS outer rear-view mirror, in particular to collapsible CMS outer rear-view mirror structure.
Background
With the development of automotive electronics and vehicle intelligence and the gradual release of the laws and regulations of the CMS (electronic rearview mirror) in china, the CMS is expected to be gradually equipped with various vehicle types and fully embody its advantages (the CMS and the conventional rearview mirror have many advantages, such as small volume, light weight, small wind resistance coefficient and low oil consumption). The CMS system comprises outside rear-view mirror, ECU, display screen, and wherein back 2 both are standardized relatively, and the structure and the molding of outside rear-view mirror are diversified relatively, the utility model discloses just to one of them expansion. Since the CMS outer mirror has a smaller volume than the original one, but cannot be implemented using an existing folding mechanism assembly in a corresponding space in order to satisfy the folding force, it must be implemented using a new structure.
SUMMERY OF THE UTILITY MODEL
【1】 Technical problem to be solved
The to-be-solved technical problem of the utility model is to provide a can realize folding, space and little collapsible CMS outside rear-view mirror structure of windage.
【2】 Technical scheme for solving problems
The utility model provides a collapsible CMS outer mirror structure, it includes:
the automobile body mounting structure comprises a base 1 serving as a mounting carrier and used for being connected with an automobile body, wherein a connecting shaft 71 is fixed on the base 1;
a mirror housing 2 rotatably mounted on the connecting shaft 71, a camera 4 being mounted on an end of the mirror housing 2;
the driving mechanism is arranged in the rearview mirror shell 2 and used for driving the rearview mirror shell 2 to rotate and enabling the rearview mirror shell 2 to be folded or unfolded, the camera 4 faces to a vehicle window when being folded, and the camera 4 faces to the rear of a vehicle body when being unfolded; the driving mechanism comprises a main gear 74 mounted on the connecting shaft 71 and a driving motor 61 fixed on the rearview mirror housing 2, and an output end of the driving motor 61 is connected with the main gear 74 through a transmission assembly.
Further, the transmission assembly includes one or more worm and gear assemblies.
Further, the transmission assembly comprises a first worm 62 mounted at the output end of the driving motor 61, a first worm wheel 63 meshed with the first worm 62, and a second worm 64 fixed at the end of the first worm wheel 63 and coaxial with the first worm wheel 63, wherein the second worm 64 is meshed with the main gear 74.
Furthermore, a fixed support 3 is arranged in the rearview mirror housing 2, and the driving mechanism is mounted on the fixed support 3.
Furthermore, a limiting mechanism for limiting the rotation angle of the rearview mirror housing 2 is arranged on the base 1.
Further, a torque limiting mechanism is arranged between the main gear 74 and the connecting shaft 71.
Further, the torque limiting mechanism includes a limiting ring 75 axially slidably fitted on the connecting shaft 71, the main gear 74 is rotatably mounted on the connecting shaft 71 or the limiting ring 75, an elastic component 76 is disposed on the connecting shaft 71, the elastic component 76 pushes the limiting ring 75 and causes the limiting ring to press the main gear 74, and a limiting portion is disposed between the limiting ring 75 and a contact surface of an end of the main gear 74.
Further, the limiting part comprises a limiting tooth 742 and a limiting groove 753 into which the limiting tooth 742 can be clamped, and a contact surface between the limiting tooth 742 and the limiting groove 753 is an inclined surface.
Further, the connecting shaft 71 includes a shaft body 712, the sidewall of the shaft body 712 is circumferentially and uniformly distributed with strip-shaped protrusions 713 for mounting the limiting ring 75, the length direction of the strip-shaped protrusions 713 is parallel to the axis of the shaft body 712, the upper end of the sidewall of the shaft body 712 is provided with an annular clamping groove 710 for mounting a clamping spring 78, and the elastic component 76 is mounted between the clamping spring 78 and the limiting ring 75; the lower end of the shaft body 712 extends radially outwards to form a connecting portion, an arc-shaped limiting groove 711 is formed in the top surface of the connecting portion, and a limiting protrusion corresponding to the arc-shaped limiting groove is formed in the rearview mirror housing.
Furthermore, the surface of the limiting protrusion and/or the arc-shaped limiting groove is provided with a metal gasket.
Further, a turn light 5 is arranged on the side wall of the rearview mirror housing 2.
Further, the rearview mirror housing 2 is L-shaped.
【3】 Advantageous effects
The utility model relates to a foldable CMS outer rearview mirror structure, which adopts a camera to replace a mirror, has small installation space, greatly reduces the whole volume of a reflector shell and reduces the wind resistance of a vehicle; the rear-view mirror can prevent the glare of the rear-view lamp, the shooting angle of the camera is larger than the range which can be seen by the traditional rear-view mirror, the visual range is wide, the visual field of a driver cannot be influenced by rainwater in rainy days, and the driving safety is high; meanwhile, the sight line does not need to be switched back and forth between the road and the rearview mirror, the fatigue of a driver is relieved, and the safety is high; the folding structure can realize inward folding, realize the protection of a rearview mirror and a camera and prolong the service life; the driving is large and stable through the driving of the motor and the worm gear, and meanwhile, the self-locking mechanism has a self-locking function and is reliable and stable in operation; a limiting mechanism is arranged to realize rotation limiting, so that the rotation precision and efficiency are improved; the torque limiting mechanism is arranged, so that the driving mechanism and the shell are protected, the damage of internal parts caused by over-stroke of a driving motor or manual breaking of the shell to rotate is avoided, and the structural safety and the use reliability are improved; the utility model discloses collapsible CMS outside rear-view mirror structure, small, the windage is low, does not receive weather effect, and the field of vision is good, and the security of traveling is high.
Drawings
Fig. 1 is a schematic structural view of a foldable CMS outer mirror structure of the present invention;
fig. 2 is another angle structure diagram of the foldable CMS outer mirror structure of the present invention;
fig. 3 is a schematic view of the internal structure of the foldable CMS outer mirror structure of the present invention;
fig. 4 is an installation diagram of the driving mechanism of the foldable CMS outer mirror structure of the present invention;
fig. 5 is a partial enlarged view of the driving mechanism of the foldable CMS outer mirror structure of the present invention;
fig. 6 is an exploded view of the foldable CMS outer mirror structure of the present invention;
fig. 7 is a cross-sectional view of the foldable CMS outer mirror structure of the present invention;
fig. 8 is a schematic structural diagram of a torque limiting mechanism of the foldable CMS outer mirror structure of the present invention;
fig. 9 is a schematic structural view of a connecting shaft of the foldable CMS outer mirror structure of the present invention;
fig. 10 is a schematic view of the foldable CMS outer mirror structure of the present invention in an unfolded state;
fig. 11 is a schematic view of the folding state of the foldable CMS outer mirror structure of the present invention.
Detailed Description
The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1-9, the present invention provides a foldable CMS outer mirror structure, which includes a base 1, a mirror housing 2 and a driving mechanism.
The base 1 is used as a mounting and connecting carrier and is used for being connected with an automobile body, a supporting part 11 is arranged on the side wall of the base 1, a connecting shaft 71 is fixed on the supporting part 11, the connecting shaft 71 is arranged upwards, and the included angle between the axis of the connecting shaft and the horizontal plane is 80-90 degrees; the mirror housing 2 is rotatably mounted on the connecting shaft 71, and the camera 4 is mounted at the end of the mirror housing 2; the driving mechanism is arranged in the rearview mirror shell 2 and used for driving the rearview mirror shell 2 to rotate so as to enable the rearview mirror shell 2 to be folded or unfolded, and the camera 4 faces to a vehicle window when being folded, so that the occupied space is reduced, and the rearview mirror shell and the camera are protected at the same time by referring to fig. 11; when the vehicle is unfolded, the camera 4 faces the rear part of the vehicle body, and referring to fig. 10, at this time, the camera 4 can collect road conditions at two sides and the rear end outside the vehicle and transmit the road conditions to the inside of the vehicle for real-time display, so that rear view is realized; the driving mechanism comprises a main gear 74 and a driving motor 61, the main gear 74 is mounted on the connecting shaft 71, the driving motor 61 is fixed in the rearview mirror housing 2, and the output end of the driving motor 61 is connected with the main gear 74 through a transmission assembly and realizes relative rotation, thereby realizing the rotation of the shell rearview mirror housing.
In order to control the movement precision and avoid over-travel, in the embodiment, a limiting mechanism is arranged on the base 1, and the limiting mechanism is used for limiting the rotation angle of the rearview mirror housing 2 to realize accurate unfolding or folding.
Meanwhile, in order to avoid the overload of the driving motor, a torque limiting mechanism is arranged between the main gear 74 and the connecting shaft 71, the torque limiting mechanism is equivalent to a mechanical clutch mechanism, when the rotation angle of the main gear is overlarge, the main gear is separated from the connecting shaft, the protection is realized, and the influence on the use reliability caused by the extrusion of the connecting shaft or the shell is avoided; simultaneously, when the rearview mirror shell is manually broken, the rearview mirror shell plays a role in automatic separation protection, and the shell and the internal structure are prevented from being damaged.
The structure of the foldable CMS outer mirror structure in the present embodiment will be described in detail.
The rearview mirror shell 2 comprises an upper shell and a lower shell which are connected with each other, the rearview mirror shell is of a hollow structure, a fixed support 3 is arranged in the rearview mirror shell 2, the fixed support 3 is fixed on the lower shell, and is convenient for integral assembly, later maintenance, maintenance and the like, a driving mechanism is installed on the fixed support 3, the driving mechanism comprises a driving motor 61 and a transmission assembly, the transmission assembly is arranged between the driving motor and a main gear 74 and is used for transmitting the torsion of the driving motor 61 to the main gear 74, the transmission assembly comprises one or more worm and gear assemblies, the worm and gear assemblies play a role of speed reduction transmission and have a self-locking function at the same time, and realize self-locking of the rearview mirror shell 2, in the embodiment, the transmission assembly comprises a first worm 62, a first worm wheel 63 and a second worm 64, the first worm 62 is installed on an output shaft of the driving motor 61, the first worm wheel 63 is rigidly connected with and coaxially arranged with the second worm 64, the two can realize synchronous rotation, the first worm 62 is meshed with the first worm and the first worm wheel 63 transmits the force to the second worm 64, the second worm wheel 74 is meshed with the main gear housing (the main gear housing) and is fixed on the main gear housing 2, so that the rearview mirror shell 2 and the rearview mirror shell is rotated relatively; the cover body 31 is arranged on the fixed support 3, the cover body 31 covers the connecting shaft and the driving mechanism, the driving mechanism and the connecting shaft are protected, dust, water vapor or other foreign matters are prevented from entering, the service life is prolonged, and the use reliability is improved.
The torque limiting mechanism is used for protecting the driving mechanism and the shell and preventing the driving motor from over-stroke or manual wrestling of the shell to rotate to cause damage to internal parts, the torque limiting mechanism comprises a limiting ring 75, the limiting ring 75 is integrally annular and is axially matched on the connecting shaft 71 in a sliding manner, specifically, the connecting shaft 71 comprises a shaft body 712, the shaft body 712 is integrally cylindrical, at least two strip-shaped protrusions 713 are uniformly distributed on the side wall of the shaft body 712 in the circumferential direction, the strip-shaped protrusions 713 are used for mounting the limiting ring 75, the length direction of the strip-shaped protrusions is parallel to the axis of the shaft body 712 to form a structure similar to a key, meanwhile, strip-shaped sliding grooves 752 corresponding to the strip-shaped protrusions 713 are uniformly distributed on the inner wall of the limiting ring 75 in the circumferential direction, the strip-shaped protrusions are sleeved in the strip-shaped sliding grooves, and the limiting ring can axially slide and cannot radially rotate; the main gear 74 is rotatably mounted on the connecting shaft 71 or the limiting ring 75, an elastic component 76 is disposed on the connecting shaft 71, the elastic component 76 pushes the limiting ring 75, and the limiting ring 75 presses the main gear 74, in this embodiment, an annular groove 710 is formed at an upper end of a side wall of the shaft body 712, a U-shaped snap spring is disposed in the annular groove 710, the elastic component 76 is mounted between the snap spring 78 and the limiting ring 75, in this embodiment, the elastic component 76 is a compression spring; in order to improve the supporting reliability, a rigid gasket 77 is arranged between the snap spring and the elastic component, the edge of the gasket is bent upwards to form a limiting part, and the snap spring is positioned in the limiting part, so that the assembly is convenient, and the connection reliability can be improved.
In the embodiment, an annular groove is formed in the upper end surface of the main gear 74, a step surface is formed on the bottom surface of the annular groove, at least two limit gears 742 are circumferentially and uniformly distributed on the step surface, the lower end of the limit ring 75 is sleeved in the annular groove, the limit groove 753 is formed in the bottom surface of the limit ring, the limit teeth and the limit groove are triangular or trapezoidal, the side wall of the limit teeth is an inclined surface, and when the torque is in a normal range, the limit teeth are positioned in the limit groove, namely the limit ring is combined with the main gear, and the torque can be mutually transmitted; when the torque exceeds a certain value or the limiting ring cannot rotate any more, the torque generated by the main gear jacks up the limiting ring through the inclined plane (between the limiting groove and the limiting tooth) and separates from the limiting groove and the limiting tooth, so that the main gear idles to realize protection.
The lower end of the shaft body 712 extends radially outward and forms a connecting portion, the connecting portion is used for connecting with a supporting portion on the base, the cross section of the connecting portion is circular, an arc-shaped limiting groove 711 is arranged on the top surface of the connecting portion, one or two arc-shaped limiting grooves 711 are provided, and meanwhile, a limiting protrusion corresponding to the arc-shaped limiting groove is arranged on the rearview mirror housing, and in this embodiment, the limiting protrusion is arranged at the bottom of the fixing bracket 3; in order to prolong the service life and avoid long-time friction to cause abrasion and influence the precision, the surface of the limiting bulge or the arc-shaped limiting groove is provided with a metal gasket 72, specifically, the metal gasket 72 is in a circular ring shape, the metal gasket is attached to the bottom surface of the fixed support 3, the side wall of the metal gasket 72 is provided with a connecting sheet 722 which is bent upwards, and the connecting sheet 722 is clamped in a clamping groove in the fixed support 3 to realize radial limiting and fixing.
In order to improve the sealing performance and provide a certain damping to improve the operation stability, a rubber gasket 73 is disposed between the base and the mirror housing 2, and in this embodiment, the rubber gasket is disposed between the upper surface of the connecting portion at the lower end of the shaft body and the bottom surface of the fixing bracket 3.
The rear-view mirror housing 2 of this embodiment is this rod-like, and is small, and then reduces the windage, and simultaneously, its tip is crooked to the rear side and forms L shape, can make the camera fully be close to (towards) the window when folding, realizes the protection to the camera.
Simultaneously, be equipped with indicator 5 at the lateral wall of rear-view mirror housing 2, this indicator sets up in the outside of rear-view mirror housing 2, and it includes LED lamp and leaded light strip, improves the security of traveling.
The utility model discloses collapsible CMS outside rear-view mirror structure adopts the camera to replace the mirror, and the installation space is little, has reduced the whole volume of reflector casing greatly, has reduced vehicle windage; the rear-view mirror can prevent the glare of the rear-view lamp, the shooting angle of the camera is larger than the range which can be seen by the traditional rear-view mirror, the visual range is wide, the visual field of a driver cannot be influenced by rainwater in rainy days, and the driving safety is high; meanwhile, the sight line does not need to be switched back and forth between the road and the rearview mirror, the fatigue of a driver is relieved, and the safety is high; the foldable structure can realize inward folding, realize the protection of a rearview mirror and a camera and prolong the service life; the driving is large and stable through the driving of the motor and the worm gear, and meanwhile, the self-locking mechanism has a self-locking function and is reliable and stable in operation; a limiting mechanism is arranged to realize rotation limiting, so that the rotation precision and efficiency are improved; the torque limiting mechanism is arranged, so that the driving mechanism and the shell are protected, the damage of internal parts caused by over-stroke of a driving motor or manual breaking of the shell to rotate is avoided, and the structural safety and the use reliability are improved; the utility model discloses collapsible CMS outside rear-view mirror structure, small, the windage is low, does not receive weather effect, and the field of vision is good, and the security of traveling is high.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A foldable CMS exterior mirror structure, comprising:
the base is used as an installation carrier and is connected with an automobile body, and a connecting shaft is fixed on the base;
the rearview mirror shell is rotatably arranged on the connecting shaft, and a camera is arranged at the end part of the rearview mirror shell;
the driving mechanism is arranged in the rearview mirror shell and used for driving the rearview mirror shell to rotate and enabling the rearview mirror shell to be folded or unfolded, the camera faces to a vehicle window when being folded, and the camera faces to the rear of a vehicle body when being unfolded; the driving mechanism comprises a main gear arranged on the connecting shaft and a driving motor fixed on the rearview mirror shell, and the output end of the driving motor is connected with the main gear through a transmission assembly.
2. The foldable CMS exterior mirror structure of claim 1, wherein: the drive assembly includes one or more worm and gear assemblies.
3. The foldable CMS exterior mirror structure of claim 1, wherein: the transmission assembly comprises a first worm arranged at the output end of the driving motor, a first worm wheel meshed with the first worm, and a second worm which is fixed at the end part of the first worm wheel and is coaxial with the first worm wheel, wherein the second worm is meshed with the main gear.
4. The foldable CMS exterior mirror structure of claim 1, wherein: and the base is provided with a limiting mechanism for limiting the rotation angle of the rearview mirror shell.
5. The foldable CMS exterior mirror structure of claim 1, wherein: a torque limiting mechanism is arranged between the main gear and the connecting shaft.
6. The foldable CMS exterior mirror structure of claim 5, wherein: the torque limiting mechanism comprises a limiting ring axially and slidably matched on the connecting shaft, the main gear is rotatably arranged on the connecting shaft or the limiting ring, an elastic component is arranged on the connecting shaft and pushes the limiting ring to tightly press the main gear, and a limiting part is arranged between the limiting ring and the end contact surface of the main gear.
7. The foldable CMS exterior mirror structure of claim 6, wherein: the limiting part comprises limiting teeth and a limiting groove capable of accommodating the limiting teeth, and the contact surface of the limiting teeth and the limiting groove is an inclined plane.
8. The foldable CMS exterior mirror structure of claim 6, wherein: the connecting shaft comprises a shaft body, strip-shaped protrusions used for mounting the limiting ring are evenly distributed on the side wall of the shaft body in the circumferential direction, the length direction of the strip-shaped protrusions is parallel to the axis of the shaft body, an annular clamping groove used for mounting a clamping spring is formed in the upper end of the side wall of the shaft body, and the elastic component is mounted between the clamping spring and the limiting ring; the lower extreme of axis body radially outwards extends and forms connecting portion, the top surface of connecting portion is equipped with the arc spacing groove, be equipped with on the rear-view mirror housing with the spacing arch that the arc spacing groove corresponds.
9. The foldable CMS exterior mirror structure of claim 1, wherein: and a turn light is arranged on the side wall of the rearview mirror shell.
10. The foldable CMS exterior mirror structure of any of claims 1-9, wherein: the rearview mirror shell is L-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223239193.5U CN218640752U (en) | 2022-12-02 | 2022-12-02 | Collapsible CMS outside rear-view mirror structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223239193.5U CN218640752U (en) | 2022-12-02 | 2022-12-02 | Collapsible CMS outside rear-view mirror structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218640752U true CN218640752U (en) | 2023-03-17 |
Family
ID=85500397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223239193.5U Active CN218640752U (en) | 2022-12-02 | 2022-12-02 | Collapsible CMS outside rear-view mirror structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218640752U (en) |
-
2022
- 2022-12-02 CN CN202223239193.5U patent/CN218640752U/en active Active
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