Foldable and telescopic electronic rearview mirror outer support arm device

Abstract

The utility model discloses a foldable and telescopic electronic rearview mirror outer support arm device, which relates to the field of automobile part manufacturing, and comprises a mirror leg support, a bracket locking mechanism, an outer mirror shell, an outer support arm, a mirror leg cover, an electronic lens, a shaft sleeve and a limiting block, the mirror leg support is fixedly connected with an automobile body, and the mirror leg cover is arranged outside the mirror leg support. The bracket is rotationally connected to the end, away from a vehicle body, of the glasses leg support, a locking mechanism is arranged at the joint of the bracket and the glasses leg support, the outer mirror shell is arranged outside the bracket, the shaft sleeve is arranged at an opening in the end, away from the vehicle body, of the outer mirror shell, the outer supporting arm is slidably arranged in the outer mirror shell through the shaft sleeve, and damping exists between the outer supporting arm and the shaft sleeve. According to the device, the extending length and the folding angle can be flexibly adjusted according to the size change of a trailer carriage, and therefore the trafficability and safety of a vehicle under different working conditions are improved while the completeness of the driving view field is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile parts manufacturing, in particular to a foldable and telescopic electronic rearview mirror outer support arm device. BACKGROUND

[0002] At present, commercial trailers generally use electronic rearview mirrors to replace traditional optical rearview mirrors to improve the field of vision clarity and driving safety. However, the existing electronic rearview mirrors mostly use fixed outer support arm mounting structures, and the extension length and mounting angle thereof are not adjustable. In actual use, the trailer often needs to replace the trailer carriage of different lengths or widths due to different transported goods, and the fixed-size rearview mirror support is difficult to adapt to the change of the size of the carriage, resulting in limited shooting field of view of the rearview mirror and inability to comprehensively cover the road condition information behind and on the side of the vehicle. Especially when the width or length of the carriage is large, the field of view blind area of the fixed support will significantly increase, affecting the driver's judgment of the surrounding environment and posing a safety hazard.

[0003] In addition, since the support arm cannot be folded or retracted, the outwardly extending support arm is prone to collision with surrounding obstacles when the vehicle passes through a narrow road, enters or exits a warehouse or is parked, which not only may damage the rearview mirror itself, but also reduces the passability and operational flexibility of the vehicle. Although there are a few adjustable rearview mirror products on the market, they are mostly limited to angle fine adjustment and cannot achieve significant telescoping and folding, making it difficult to meet the dual needs of field of view expansion and space adaptation.

[0004] Therefore, there is an urgent need for an electronic rearview mirror support arm device with simple structure, flexible adjustment and strong adaptability, which can flexibly adjust the extension length and folding angle according to the size change of the trailer carriage, thereby ensuring the integrity of the driving field of view while improving the passability and safety of the vehicle under different working conditions. SUMMARY

[0005] The utility model aims at solving the problems in the prior art and provides a foldable and telescopic electronic rearview mirror outer support arm device.

[0006] A foldable and telescopic electronic rearview mirror outer support arm device, comprising a mirror foot support, a bracket locking mechanism, an outer mirror shell, an outer support arm, a mirror foot cover, an electronic lens, a shaft sleeve and a limiting block, the mirror foot support is fixedly connected with the vehicle body, the mirror foot cover is arranged outside the mirror foot support, the bracket is rotatably connected at one end away from the vehicle body of the mirror foot support, a locking mechanism is arranged at the connection between the bracket and the mirror foot support, the outer mirror shell is arranged outside the bracket, the shaft sleeve is arranged at the opening of the end of the outer mirror shell away from the vehicle body, the outer support arm is slidably arranged inside the outer mirror shell through the shaft sleeve, the outer support arm and the shaft sleeve have damping therebetween, the limiting blocks are symmetrically arranged on the tail of the outer support arm, and the electronic lens is arranged at the front end of the outer support arm.

[0007] The locking mechanism comprises a top washer, a snap spring, a spring and a sliding washer, the sliding washer is sleeved on a rotating shaft at the connection between the bracket and the mirror leg support, the rotating shaft is integrally formed with the mirror leg support, the bottom surface of the sliding washer is tightly attached to the bracket, the spring is arranged on the upper portion of the sliding washer, the top washer is arranged on the upper portion of the spring, the spring and the top washer are also sleeved on the rotating shaft, the snap spring is arranged on the upper portion of the sliding washer, the snap spring is clamped on the top of the rotating shaft, and the snap spring axially limits the top washer, the snap spring and the sliding washer.

[0008] The bracket is provided with a clamping block, the mirror leg support is uniformly provided with a clamping groove corresponding in size to the clamping block, and the clamping block and the clamping groove are provided with corresponding inclined surfaces on both sides.

[0009] The bracket is further provided with a limiting groove, the limiting groove is an arc-shaped semicircular groove, and a limiting clamping block corresponding to the limiting groove is arranged on the mirror leg support and slides in the limiting groove.

[0010] The utility model discloses the beneficial effects of:

[0011] The utility model discloses simple structure, adjust nimble, strong adaptability can according to the size change of trailer carriage, the flexible adjustment of the length of extension and folding angle, thereby guaranteeing the integrity of the driving vision simultaneously, the passing ability and safety of vehicle under different working conditions are improved, are suitable for extensive popularization and application. ACCURACY OF DRAWINGS

[0012] Figure 1 It is the three-dimensional schematic view of the utility model;

[0013] Figure 2 It is the three-dimensional schematic view of the utility model outer arm extension state;

[0014] Figure 3 It is the three-dimensional schematic view of the utility model outer mirror shell forward rotation state;

[0015] Figure 4 It is the three-dimensional schematic view of the utility model outer mirror shell backward rotation state;

[0016] Figure 5 It is the plan view of the utility model;

[0017] Figure 6 It is the sectional view of the utility model A-A direction; Figure 5

[0018] Figure 7 It is the three-dimensional schematic view of the utility model internal connection state;

[0019] Figure 8 It is the three-dimensional schematic view of the utility model bracket and mirror leg support connection state;

[0020] ​Figure 9 is a three-dimensional schematic view of the mirror foot support of the utility model;

[0021] Figure 10 is a three-dimensional schematic view of the bracket of the utility model;

[0022] Figure 11 is a three-dimensional schematic view of the locking mechanism of the utility model.

[0023] In the figure: 1, mirror foot support; 2, bracket; 3, locking mechanism; 4, outer mirror shell; 5, outer support arm; 6, mirror foot cover; 7, electronic lens; 8, shaft sleeve; 9, limiting block; 11, clamping groove; 12, limiting clamping block; 21, clamping block; 22, limiting groove; 31, top washer; 32, clamping spring; 33, spring; 34, sliding washer. DETAILED DESCRIPTION

[0024] Please refer to Figures 1 to 11 As shown in the figure, a kind of foldable, telescopic electronic rearview mirror outer support arm device, including mirror foot support 1, bracket 2 locking mechanism 3, outer mirror shell 4, outer support arm 5, mirror foot cover 6, electronic lens 7, shaft sleeve 8 and limiting block 9, mirror foot support 1 is fixedly connected with vehicle body, mirror foot cover 6 is arranged at the outside of mirror foot support 1, bracket 2 is rotatably connected at the end of mirror foot support 1 away from vehicle body, locking mechanism 3 is arranged at the connecting place of bracket 2 and mirror foot support 1, outer mirror shell 4 is arranged at the outside of bracket 2, shaft sleeve 8 is arranged at the opening of outer mirror shell 4 end away from vehicle body, outer support arm 5 is slidably arranged in outer mirror shell 4 by shaft sleeve 8, outer support arm 5 and shaft sleeve 8 have damping, limiting block 9 is symmetrically arranged on the tail of outer support arm 5, electronic lens 7 is arranged at the front end of outer support arm 5;

[0025] Specifically, the mirror foot support 1 is fixed at the corresponding position on both sides of the vehicle head, the bracket 2 is rotationally connected at the end of the mirror foot support 1 away from the vehicle body, the connection between the bracket 2 and the mirror foot support 1 is provided with a locking mechanism 3, the user can rotate the bracket 2 by hand, the bracket 2 drives the outer mirror shell 4 and the outer arm 5 to rotate together, the electronic lens 7 moves together with the outer arm 5, thereby achieving the purpose of adjusting the irradiation angle of the electronic lens 7, the bracket 2 is axially positioned by the locking mechanism 3 when rotating, the shaft sleeve 8 is arranged at the opening of the end of the outer mirror shell 4 away from the vehicle body, the outer arm 5 is slidably arranged in the outer mirror shell 4 through the shaft sleeve 8, the outer arm 5 and the shaft sleeve 8 have damping therebetween, the limit block 9 is symmetrically arranged on the tail of the outer arm 5, the user can pull the outer arm 5 by hand, the outer arm 5 can be extended out of the outer mirror shell 4, the outer arm 5 and the shaft sleeve 8 have damping therebetween, and the relative position can be kept unchanged without external force, when the outer arm 5 is pulled to a certain position, the limit block 9 contacts the shaft sleeve 8, preventing the outer arm 5 from being pulled out of the outer mirror shell 4 as a whole, the outer arm 5 extends outward to drive the electronic lens 7 to extend outward, increasing the irradiation distance of the electronic lens 7, so that the device can flexibly adjust the extension length and folding angle of the electronic lens 7 according to the size change of the trailer compartment, thereby ensuring the integrity of the driving vision while improving the passability and safety of the vehicle under different working conditions.

[0026] Specifically, in actual use, the manufacturer can increase the number of electronic lenses 7 installed inside the outer arm 5 and change the irradiation angle of the electronic lens 7 as needed, thereby achieving a larger irradiation range.

[0027] The locking mechanism 3 comprises a top gasket 31, a circlip 32, a spring 33 and a sliding gasket 34, the sliding gasket 34 is sleeved on the rotating shaft at the connection between the bracket 2 and the mirror foot support 1, the rotating shaft is integrally formed with the mirror foot support 1, the bottom surface of the sliding gasket 34 is in close contact with the bracket 2, the spring 33 is arranged on the upper part of the sliding gasket 34, the top gasket 31 is arranged on the upper part of the spring 33, the spring 33 and the top gasket 31 are also sleeved on the rotating shaft, the circlip 32 is arranged on the upper part of the sliding gasket 34, and the circlip 32 is clamped on the top of the rotating shaft, the circlip 32 axially positions the top gasket 31, the circlip 32 and the sliding gasket 34.

[0028] Specifically, when the bracket 2 and the mirror foot support 1 rotate relative to each other, the spring 33 is in a compressed state, the spring 33 exerts an axial pressure on the bracket 2 through the sliding gasket 34, preventing the bracket 2 from slipping off the rotating shaft, and also increasing the friction between the bracket 2 and the mirror foot support 1, which can ensure that the relative position of the bracket 2 and the mirror foot support 1 remains unchanged without external force.

[0029] The bracket 2 is provided with a clamping block 21, the mirror foot support 1 is uniformly provided with a clamping groove 11 corresponding in size to the clamping block 21 in a ring shape, and the clamping block 21 and the clamping groove 11 are both provided with corresponding inclined surfaces;

[0030] Specifically, when the user pushes the bracket 2 to rotate, the clamping block 21 slides out of the clamping groove 11 through the inclined surface, at this time, the external force is greater than the axial force of the spring 33 on the bracket 2, the clamping block 21 slides out of the clamping groove 11 at the same time, and the spring 33 is further compressed, when the user rotates the clamping block 21 to the next clamping groove 11, the clamping block 21 is clamped into the next clamping groove 11, and the spring 33 returns to the initial state, so that the clamping block 21 is tightly attached to the clamping groove 11 without external force, and the clamping groove 11 is uniformly distributed in a ring shape, and the manufacturer can adjust the distribution angle of the clamping groove 11 to limit the rotation angle of the bracket 2, so that the adjustment angle of the bracket 2 is more accurate, and the limiting of the bracket 2 and the mirror foot support 1 in the circumferential direction is also enhanced.

[0031] The bracket 2 is further provided with a limiting groove 22, the limiting groove 22 is an arc-shaped semicircular groove, and the mirror foot support 1 is provided with a limiting clamping block 12 corresponding thereto, and the limiting clamping block 12 slides in the limiting groove 22.

[0032] Specifically, the limiting groove 22 and the limiting clamping block 12 can limit the limit position of the bracket 2 rotating forward and backward, and avoid useless rotation.

[0033] The working principle and process of the utility model:

[0034] Please refer to Figures 1 to 11 As shown in the figure, when in use, the user can rotate the bracket 2 by hand according to the need, the bracket 2 drives the outer mirror shell 4 and the outer supporting arm 5 to rotate together, and the outer supporting arm 5 can be pulled out of the outer mirror shell 4, the electronic lens 7 moves together with the outer supporting arm 5, and the purpose of adjusting the illumination field of view of the electronic lens 7 is achieved, and after use, the original path can be taken to return to the original position, and the next use is waited.

Claims

1. A foldable, telescoping electronic mirror housing arm device, characterized by: The utility model relates to a kind of mirror foot supports, including bracket (2) locking mechanism (3), outer mirror shell (4), outer support arm (5), mirror foot cover (6), electronic lens (7), shaft sleeve (8) and limit block (9), mirror foot support (1) is fixedly connected with vehicle body, mirror foot cover (6) is arranged outside mirror foot support (1), bracket (2) is rotatably connected at the end of mirror foot support (1) away from vehicle body, bracket (2) is provided with locking mechanism (3) at the junction with mirror foot support (1), outer mirror shell (4) is arranged outside bracket (2), shaft sleeve (8) is arranged at the opening of outer mirror shell (4) end away from vehicle body, outer support arm (5) is slidably arranged inside outer mirror shell (4) by shaft sleeve (8), outer support arm (5) and shaft sleeve (8) between have damping, outer support arm (5) tail upper and lower symmetry is provided with limit block (9), electronic lens (7) is arranged at outer support arm (5) front end.

2. A foldable, telescoping, electronic mirror back arm device according to claim 1, wherein: The locking mechanism (3) includes a top washer (31), a circlip (32), a spring (33), and a sliding washer (34). The sliding washer (34) is sleeved on the rotating shaft at the junction of the bracket (2) and the mirror foot support (1). The rotating shaft is integrally formed with the mirror foot support (1). The bottom surface of the sliding washer (34) is in close contact with the bracket (2). The spring (33) is arranged on the upper part of the sliding washer (34). The top washer (31) is arranged on the upper part of the spring (33). The spring (33) and the top washer (31) are also sleeved on the rotating shaft. The circlip (32) is arranged on the upper part of the sliding washer (34). The circlip (32) is clamped on the top of the rotating shaft. The circlip (32) axially limits the top washer (31), the circlip (32), and the sliding washer (34).

3. A foldable, telescoping exterior mirror arm assembly according to claim 2, wherein: The bracket (2) is provided with a clamping block (21). The mirror foot support (1) is uniformly provided with a clamping groove (11) corresponding in size to the clamping block (21). The clamping block (21) and the clamping groove (11) are both provided with corresponding inclined surfaces. The clamping block (21) and the clamping groove (11) are used in cooperation.

4. The collapsible, telescoping exterior mirror arm apparatus of claim 3, wherein: The bracket (2) is also provided with a limiting groove (22), which is an arc-shaped semicircular groove. The mirror foot support (1) is provided with a limiting clamping block (12) corresponding thereto. The limiting clamping block (12) slides in the limiting groove (22).

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