TWM531916U - Side mirror device - Google Patents

Abstract

A side mirror device is provided, including a housing, a flexible mirror, and an interior mechanism. The flexible mirror has a fixed portion and a bendable portion, wherein the fixed portion is fixed to the housing. The interior mechanism is disposed in the housing and connected to the bendable portion. The bendable portion is forced and rotatable with respect to the fixed portion by the interior mechanism.

Description

Rear view mirror

The present invention relates to a rear view mirror device, and more particularly to a rear view mirror device having a bendable mirror surface.

Cars are already one of the most popular vehicles today. The rear view mirrors on both sides of the car can help the car driver understand the position of the side and rear vehicles, but even with the left and right rear view mirrors and the interior backlight Mirror, there is still a visual dead angle (driving blind spot) within the visual range of the driver of the car.

Please refer to FIG. 1A, which is a schematic diagram of the vehicle C when it goes straight. The car C has two rear view mirrors M, which are respectively installed on the two sides of the car C, wherein the visible area V is the rear view mirror of the car driver. The area seen by M, the visible area V at this time covers the lanes W on both sides. Referring again to FIG. 1B, which is a schematic view of the vehicle C when it is turned, the visible area V on the left side of the vehicle C does not cover the lane W on the left side of the vehicle body, so that the lane W on the left side forms a visual dead angle D.

At present, the related rear-view mirror auxiliary products on the market are mostly installed on the rear mirrors on both sides of the car. However, no matter which product is installed in the car, it is impossible to achieve a better balance between reducing the size of the mirror and increasing the visual range, so that the driving safety cannot be effectively improved.

In order to overcome the aforementioned problems, the present invention provides a rear view mirror The device includes a housing having an accommodating space; a flexible lens disposed in the accommodating space and having a one-piece fixing portion and a one-piece bendable portion, wherein the fixing portion is fixed In the housing, the bendable portion is rotatable relative to the fixed portion; a drive unit is disposed in the accommodating space; a driven unit is disposed in the accommodating space and coupled to the bendable portion a folding portion and the driving unit; a clutch disposed in the accommodating space adjacent to the driven unit; and a control rod disposed in the accommodating space and connected to the clutch, wherein the lever is located at an initial position Separating the clutch from the driven unit; when the lever is moved from the initial position to a coupled position, the lever pushes the clutch and couples the clutch to the driven unit, wherein the driving unit outputs The power is transmitted to the bendable portion via the driven unit and the clutch, and the bendable portion is rotated to an inclined position relative to the fixed portion.

In an embodiment, the thickness of the fixing portion is greater than the thickness of the bendable portion.

In an embodiment, wherein the bendable portion is inclined at an acute angle with respect to the fixed portion when the lever is in the coupled position.

In one embodiment, the driving unit has a driving motor and a first gear, the driven unit has a second gear, a third gear, and a first connecting member, the clutch has a fourth gear; The first gear is coupled to the driving motor and the second gear, the second gear has an axle and a first engaging portion, the third gear has a shaft hole pivotally connected to the axle, and the fourth gear has Corresponding to the second engaging portion of the first engaging portion, the two ends of the first connecting member are respectively connected to the shaft hole and the bendable portion; wherein when the control rod is located at the coupling position, the first a third gear coupled to the fourth gear, the first, the first The two engaging portions are engaged with each other, and the power outputted by the driving motor is sequentially transmitted to the first connecting member via the first, second, fourth gears and the third gear, so that the first connecting member drives The bendable portion is rotated relative to the fixed portion to the inclined position.

In an embodiment, the first, second, and third gears are respectively a spur gear.

In an embodiment, the aforementioned fourth gear is an internal gear.

In an embodiment, the aforementioned first gear and the second gear have the same pitch circle radius.

In an embodiment, the first gear and the second gear have a contact ratio of one.

In an embodiment, the third gear and the fourth gear contact ratio are one.

In an embodiment, the aforementioned first connecting member has a belt or a spring.

1‧‧‧ rear mirror device

20‧‧‧shell

21‧‧‧ accommodating space

30‧‧‧Flexible lenses

31‧‧‧ Fixed Department

32‧‧‧Flexible parts

40‧‧‧ drive unit

41‧‧‧Drive motor

411‧‧‧ shaft

42‧‧‧First gear

50‧‧‧ slave unit

51‧‧‧second gear

511‧‧‧Axle

512‧‧‧First engagement department

52‧‧‧ Third gear

521‧‧‧Axis hole

53‧‧‧First connector

60‧‧‧Clutch

61‧‧‧fourth gear

62‧‧‧Second connector

70‧‧‧Control lever

C‧‧‧Car

M‧‧‧ rearview mirror

V‧‧ visible area

W‧‧ driveway

D‧‧‧ visual dead corner

M‧‧‧Internal institutions

P1‧‧‧ initial position

P2‧‧‧ coupling position

R‧‧‧ reference axis

Θ‧‧‧ acute angle

Figure 1A is a schematic diagram of the car when it goes straight.

Figure 1B is a schematic view of the car when it is turning.

Fig. 2A is a schematic view showing the mirror device in a general state after the embodiment of the present invention.

Fig. 2B is an exploded view of the rear view mirror device in Fig. 2A, respectively.

Fig. 2C is an exploded view of the rear view mirror device at another viewing angle in Fig. 2B, respectively.

Figure 3A is an exploded view of the aforementioned internal mechanism.

Figure 3B is an exploded view of the aforementioned internal mechanism from another perspective.

Figure 4A is a schematic diagram of the internal mechanism when the lever is in the initial position.

Figure 4B is a perspective view of the back side of the rear view mirror in Figure 2A.

Figure 5A is a schematic diagram of the internal mechanism when the lever is in the coupled position.

Figure 5B is a rear perspective view of the rear view mirror assembly when the lever is in the coupled position.

Fig. 6 is a schematic view showing the mirror device in a state in which the mirror device is bent after the second embodiment.

The foregoing and other technical aspects, features and advantages of the present invention will be apparent from the following description of the preferred embodiments of the invention. The directional terms mentioned in the following embodiments, such as up, down, left, right, front or back, etc., are only directions referring to the additional drawings. Therefore, the directional term used is used to describe that it is not intended to limit the invention.

First, please refer to FIG. 2A-2C, wherein FIG. 2A is a schematic diagram of the mirror device 1 in a general state after the embodiment of the present invention, and FIGS. 2B and 2C are respectively the second mirror device 1 in FIG. Explosion maps from different perspectives. As shown in FIGS. 2A-2C, the aforementioned mirror device 1 mainly includes a housing 20, a flexible lens 30, and an internal mechanism M. The housing 20 has an accommodating space 21, and the internal mechanism M is disposed in the accommodating space 21, and the flexible lens 30 is parallel to the YZ plane, and has a metal or plastic material, and is disposed at the edge of the accommodating space 21 and The one-piece fixing portion 31 and the one-piece bendable portion 32 are included, wherein the thickness of the fixing portion 31 in the X-axis direction is larger than the thickness of the bendable portion 32 in the X-axis direction.

It should be understood that the internal mechanism M mainly includes a driving unit 40, a driven unit 50, a clutch 60 and a control rod 70, wherein one end of the driven unit 50 is fixed to the bendable portion 32, and the other end is transmitted through the gear The drive unit 40 is coupled. In addition, the clutch 60 is adjacent to the driven unit 50, and one end of the control rod 70 is connected to the clutch 60, and the other end is connected to a directional light lever (not shown) inside the vehicle.

For example, the novel rear view mirror device 1 can be disposed on both sides of the car body of the automobile to facilitate the driver to observe the incoming car or the pedestrian behind the side. As shown in Fig. 2A, when the car goes straight, the mirror device 1 is in a normal state, and the surface of the deflectable lens 30 is substantially in a plane, so that the driver of the car can clearly see the road conditions on both sides of the car. As shown in Fig. 6, when the car turns, the flexible lens 30 of the mirror device 1 can be switched to the bent state, at which time the bendable portion 32 of the deflectable lens 30 will be directed to the inside of the casing 20. The bending movement is inclined with respect to the fixing portion 31, wherein the bending of the bendable portion 32 toward the inside of the casing 20 increases the breadth of the viewing angle and helps the driver of the vehicle understand the rear road condition. The process of switching the mirror device 1 from the normal state to the bent state of the flexible lens 30 is detailed later.

Please refer to Figures 3A and 3B together, wherein Figures 3A and 3B are exploded views of the aforementioned internal mechanism M at different viewing angles. As shown in FIGS. 3A and 3B , the driving unit 40 has a driving motor 41 and a first gear 42 . The driven unit 50 has a second gear 51 , a third gear 52 , and a first connecting member 53 . There is a fourth gear 61 and a second connecting member 62 connected to the control rod 70. In this embodiment, the first, second, and third gears 42, 51, 52 are respectively a spur gear, the fourth gear 61 is an internal gear, and the first connecting member 53 is, for example, a belt or a spring. One end is connected to the shaft hole 521, and the other end is connected to the aforementioned flexible lens 30 bendable portion 32.

It should be understood that the driving motor 41 is fixed to the inner surface of the casing 20, and one of the rotating shafts 411 of the driving motor 41 is coupled to the first gear 42, and the first gear 42 is coupled to the second gear 51, wherein the first gear 42 and The second gear 51 has a contact radius of one, and the first and second gears 42 and 51 have the same pitch circle radius. Further, the second gear 51 has an axle 511 and a first engaging portion 512 (as shown in FIG. 3B). The first engaging portion 512 is a protruding structure formed at the end of the axle 511; the third gear 52 has a shaft hole 521 pivoting the axle 511, and the third gear 52 corresponds to the fourth gear 61, wherein the third gear The contact ratio of the gear 52 to the fourth gear 61 is one; the fourth gear 61 is movably coupled to the second connecting member 62 in a detachable manner, and is rotatable relative to the second connecting member 62, wherein the inner surface of the fourth gear 61 is formed A second engaging portion 611 (shown in FIG. 3A ), and the second engaging portion 611 has a recessed structure and corresponds to the first engaging portion 512 .

Referring to FIGS. 4A and 4B together, FIG. 4A is a schematic diagram of the internal mechanism M when the control lever 70 is at the initial position P1, and FIG. 4B is a rear perspective view of the rear view mirror device 1 in FIG. 2A. As shown in FIGS. 4A and 4B, when the control lever 70 is at the initial position P1, the third gear 52 is separated from the fourth gear 61, and the first engaging portion 512 and the second engaging portion 611 in the fourth gear 61 are 611. When the first and second gears 42 and 51 are unable to drive the third gear 52 to rotate, the first connecting member 53 connected to the third gear 52 cannot drive the bendable portion 32 to bend relative to the fixed portion 31. That is, the flexible lens 30 at this time does not have a bend and is substantially flat (as shown in FIG. 4B).

Please refer to FIG. 5A and FIG. 5B together. FIG. 5A is a schematic diagram of the internal mechanism M when the control rod 70 is at the coupling position P2, and FIG. 5B is when the control rod 70 is used. A rear perspective view of the rear view mirror device 1 at the coupling position P2. As shown in FIGS. 5A and 5B, when the driver moves the directional light lever to move the control lever 70 from the initial position P1 to the coupling position P2, the third gear 52 is coupled to the fourth gear 61 and causes the second gear 61. Since the engaging portion 611 and the first engaging portion 512 are engaged with each other, the power output from the driving motor 41 can be sequentially transmitted to the first through the first, second, and fourth gears 42, 51, 61 and the third gear 52. A connecting member 53 rotates the bendable portion 32 relative to the fixing portion 31 about a reference axis R to an inclined position (as shown in FIG. 5B).

Specifically, when the car turns, the driver of the vehicle can move the control lever 70 from the initial position P1 (as shown in FIG. 4A) to the coupling position P2 by turning the direction light lever (as shown in FIG. 5A). At this time, the control lever 70 pushes the clutch 60, wherein the power outputted by the driving unit 40 can be transmitted to the bendable portion 32 via the driven unit 50 and the clutch 60, and the bendable portion 32 is rotated relative to the fixed portion 31. To an inclined position, the bendable portion 32 is inclined at an acute angle θ with respect to the fixed portion 31 (as shown in Fig. 6), whereby the breadth of the angle of view of the flexible lens 30 can be effectively increased.

It should be understood that the inclination angle of the bendable portion 32 can still be set according to the length of the vehicle body of various models and the position where the mirror device 1 is installed; the first, second, third, and fourth gears 42 are 42 The pitch radius and the contact ratio of 51, 52, and 61 are merely illustrative, and the size and contact relationship may also be set according to the size and specifications of the flexible lens 30, the drive motor 41, and other connected components; The manner in which the directional lamp lever is tilted to tilt the flexible lens 30 is merely illustrative. The present invention can also be connected to the control lever 70 by a button electric or mechanism, and the position of the control lever 70 is changed after the button is activated. Inclining the flexible lens 30 also achieves the effect of increasing the breadth of the viewing angle of the flexible lens 30.

In addition, the present invention does not limit the connection relationship between the driving unit 40, the driven unit 50, the clutch 60, and the control lever 70. The internal mechanism M can also be connected to a rear mirror adjustment mechanism at the same time when the control lever 70 is at the initial position P1. When the driver of the car can drive the internal mirror M to adjust the left and right tilt angles of the rear view mirror; when the driver of the vehicle switches the control lever 70 to the coupled position P2, the rear view mirror cannot be adjusted through the internal mechanism M. The angle of inclination of the top and bottom.

In summary, the present invention provides a rear view mirror device that can be disposed on a vehicle, and mainly includes a housing, a flexible lens, and an internal mechanism, wherein when one of the internal mechanisms is in the initial position, the control rod is The flexing lens is substantially in a plane; when the driver of the car drives the car to turn, the driver of the car can drive the lever to a coupling position through the direction lamp lever, and one of the deflectable lenses can be bent to the inside of the casing. Bending, thereby increasing the viewing angle of the rear view mirror device, thereby reducing the visual dead angle generated when the car is turned, to avoid accidents caused by not paying attention to the rear road condition, thereby greatly improving driving safety.

Although the present invention has been disclosed above in the foregoing embodiments, it is not intended to limit the present invention. Those of ordinary skill in the art to which the present invention pertains can make some modifications and refinements without departing from the spirit and scope of the present invention. Therefore, the scope of protection of this new type is subject to the definition of the scope of the patent application.

1‧‧‧ rear mirror device

20‧‧‧shell

21‧‧‧ accommodating space

30‧‧‧Flexible lenses

31‧‧‧ Fixed Department

32‧‧‧Flexible parts

M‧‧‧Internal institutions

40‧‧‧ drive unit

50‧‧‧ slave unit

60‧‧‧Clutch

70‧‧‧Control lever

P1‧‧‧ initial position

Claims (10)

A rear view mirror device includes: a housing having an accommodating space; a flexible lens disposed in the accommodating space and having a one-piece fixing portion and a one-piece bendable portion The fixing portion is fixed to the housing, and the bendable portion is rotatable relative to the fixing portion; a driving unit is disposed in the accommodating space; a driven unit is disposed in the accommodating space, and Coupling the driving unit; a clutch disposed in the accommodating space adjacent to the driven unit; and a control rod disposed in the accommodating space and connected to the clutch, wherein when the lever is in an initial position Separating the clutch from the driven unit; when the lever is moved from the initial position to a coupled position, the lever pushes the clutch and couples the clutch to the driven unit and the bendable portion, wherein The power outputted by the driving unit is transmitted to the bendable portion via the driven unit and the clutch, and the bendable portion is rotated to an inclined position with respect to the fixed portion. The rear view mirror device of claim 1, wherein the fixing portion has a thickness greater than a thickness of the bendable portion. The rear view mirror device of claim 1, wherein the bendable portion is inclined at an acute angle with respect to the fixed portion when the control lever is in the coupled position. The rear view mirror device of claim 1, wherein the driving unit has a driving motor and a first gear, the driven unit has a second gear, a third gear and a first connecting member, The clutch has a fourth tooth The first gear is coupled to the driving motor and the second gear, the second gear has an axle and a first engaging portion, the third gear has a shaft hole pivotally connected to the axle, and the first gear The four gears have a second engaging portion corresponding to the first engaging portion, and the two ends of the first connecting member respectively connect the shaft hole and the bendable portion; wherein when the control rod is located at the coupling position The third gear is coupled to the fourth gear, the first and second engaging portions are engaged with each other, and the power output by the driving motor is sequentially passed through the first, second, fourth gears and the third The gear is transmitted to the first connecting member, so that the first connecting member drives the bendable portion to rotate relative to the fixing portion to the inclined position. The mirror device of claim 4, wherein the first, second, and third gears are each a spur gear. The mirror device of claim 4, wherein the fourth gear is an internal gear. The rear view mirror device of claim 4, wherein the first gear and the second gear have the same pitch circle radius. The mirror device of claim 4, wherein the first gear and the second gear have a contact ratio of one. The rear view mirror device of claim 4, wherein the third gear and the fourth gear contact ratio are one. The rear view mirror device of claim 4, wherein the first connecting member has a belt or a spring.