Automobile blind area auxiliary mirror

Abstract

The utility model relates to an automobile blind area auxiliary mirror which comprises a base used for being fixedly connected with an automobile body, a connecting arm is hinged to the base around a first axis, a mirror rod is hinged to the end of the connecting arm around a second axis, a mirror is spherically hinged to the end of the mirror rod, and each hinged position is provided with a limiting maintaining structure. The first axis and the second axis are parallel and are both located in a plane perpendicular to the front-back direction of the vehicle body. When the automobile blind area auxiliary mirror is used, through the two rotating shafts arranged among the connecting arm, the base and the mirror rod and the spherical hinge arranged at the end part of the mirror rod, a driver can have a larger visual field when the automobile blind area auxiliary mirror is used; meanwhile, when the automobile rearview mirror is used in cooperation with the automobile rearview mirror, the visual field of the rearview mirror cannot be shielded under the condition that an auxiliary mirror is not needed, the visual field blind area of a driver is greatly reduced, and safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile parts, especially to an auxiliary mirror for automobile blind area. BACKGROUND

[0002] The rearview mirror is used to observe the driving route of the rear and side vehicles during driving, especially when changing lanes and turning, the role of the rearview mirror is particularly important, and the existence of the rearview mirror greatly reduces the occurrence of traffic accidents.

[0003] In the prior art, a rearview mirror supporting assembly is disclosed in Chinese Utility Model Patent No. CN214240609U, authorized on September 21, 2021, which includes a base, a buffer device arranged on the base, a fixed plate arranged on the buffer device, a rubber sleeve arranged on the fixed plate, a gas cylinder connected to the base, an extension column connected to the gas cylinder, a rotating shaft connected to the end of the extension column, a rotating column connected to the connecting shaft, and a universal ball connected to the end of the rotating column. The utility model sets a rotating shaft and a universal ball to facilitate the driver to observe the rear vehicle, but for commercial vehicles, the angle of rotation is limited when only one rotating shaft and one universal ball are provided, and the driver may not be able to observe the visual blind area when driving the vehicle, which may cause certain safety hazards. SUMMARY

[0004] The utility model aims to provide an auxiliary mirror for automobile blind area to solve the problem of limited angle of rotation when only one rotating shaft and one universal ball are provided in the prior art, and the driver may not be able to observe the visual blind area when driving the vehicle, which may cause certain safety hazards.

[0005] To solve the above technical problems, the utility model adopts the following technical solutions:

[0006] An auxiliary mirror for automobile blind area includes a base for fixed connection with a vehicle body, a connecting arm hinged around a first axis on the base, a mirror rod hinged around a second axis at the end of the connecting arm, a mirror hingedly connected to the end of the mirror rod, and a limit retaining structure arranged at each hinged position. The first axis and the second axis are parallel and both in a plane perpendicular to the front-rear direction of the vehicle body.

[0007] Further, the connecting arm includes a first arm body and a second arm body, and the base and the mirror rod have a portion extending into the two arm bodies and being hingedly connected to the connecting arm through the portion.

[0008] Further, the base and the arm body have respectively a rotation matching surface in the axial direction of the hinge axis, the limiting and retaining structure at the first axis includes a rotation angle limiting structure and a position retaining structure arranged between the base and one of the arm bodies, the rotation angle limiting structure includes an arc limiting slot arranged on one of the two rotation matching surfaces and a limiting protrusion arranged on the other and extending into the arc limiting slot, the position retaining structure includes a positioning clamping slot arranged on one of the two rotation matching surfaces and a positioning clamping protrusion arranged on the other, the height of the limiting protrusion is not lower than the height of the positioning clamping protrusion, and a spring is sleeved on the hinge shaft at the first axis to make the two rotation matching surfaces close to each other.

[0009] Further, the base and the arm body have respectively a rotation matching surface in the axial direction of the hinge axis, the limiting and retaining structure at the first axis includes a rotation angle limiting structure and a position retaining structure arranged between the base and one of the arm bodies, the rotation angle limiting structure includes an arc limiting slot arranged on one of the two rotation matching surfaces and a limiting protrusion arranged on the other and extending into the arc limiting slot, the position retaining structure includes a positioning clamping slot arranged on one of the two rotation matching surfaces and a positioning clamping protrusion arranged on the other, the height of the limiting protrusion is not lower than the height of the positioning clamping protrusion, and a spring is sleeved on the hinge shaft at the first axis to make the two rotation matching surfaces close to each other.

[0010] Further, the rotation angle of the limiting protrusion defined by the arc limiting slot at the first axis is 90°.

[0011] Further, in the rotation angle range, the positioning clamping protrusions are three and are uniformly distributed.

[0012] Further, the rotation angle of the limiting protrusion defined by the arc limiting slot at the second axis is 45°.

[0013] Further, in the rotation angle range, the positioning clamping protrusions are two and are uniformly distributed.

[0014] Further, the hinge shaft at the first axis and the hinge shaft at the second axis are both bolts, and the spring is sleeved on the bolt and is pressed by a nut.

[0015] The above technical scheme has the following beneficial effects:

[0016] The utility model discloses a factor change type invention and creation, specifically proposes a kind of automobile blind area auxiliary mirror, the automobile blind area auxiliary mirror of the utility model can be used in cooperation with automobile rearview mirror, through the two pivot between the connecting arm and the base and mirror stem being set, and the spherical hinge being set in the other end of mirror stem, the angle that auxiliary mirror can rotate can be further enlarged, driver has greater field of view when driving vehicle, the field of view blind area of driver is reduced, and when cooperation with automobile rearview mirror, the field of view of rearview mirror is not shielded without auxiliary mirror, improve safety. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 Structure diagram of one embodiment of the auxiliary mirror for automobile blind area of the utility model;

[0018] Figure 2 Base, second arm body and mirror rod hinged diagram of one embodiment of the auxiliary mirror for automobile blind area of the utility model;

[0019] Figure 3 Base, mirror rod and first arm body hinged diagram of one embodiment of the auxiliary mirror for automobile blind area of the utility model;

[0020] Figure 4 First arm body diagram of one embodiment of the auxiliary mirror for automobile blind area of the utility model;

[0021] Figure 5 Base side view diagram of one embodiment of the auxiliary mirror for automobile blind area of the utility model;

[0022] Figure 6 Mirror rod side view diagram of one embodiment of the auxiliary mirror for automobile blind area of the utility model.

[0023] In the figure: 1, lens; 2, mirror rod; 3, first arm body; 4, base; 5, mirror shell; 6, positioning clamping convex; 7, limiting convex block; 8, spring; 9, base positioning clamping groove; 10, base arc limiting groove; 11, universal ball; 12, mirror rod positioning clamping groove; 13, mirror rod arc limiting groove; 14, second arm body; 15, bolt. DETAILED DESCRIPTION

[0024] The features and performances of the utility model are further described in detail in combination with embodiments.

[0025] The utility model provides an auxiliary mirror for automobile blind area, through setting two rotation shafts between connecting arm and base and mirror rod, and limiting and keeping structure is set in two rotation shafts, universal ball is set in the other end of mirror rod simultaneously, so that the angle that auxiliary mirror can rotate is greater, so that the driver has greater field of view when driving vehicle, and when not needing auxiliary mirror in driving, can pass through adjustment and make auxiliary mirror not to block the normal use of rearview mirror, improve the field of view of driver to a great extent, and then reduce the security risk in driving process.

[0026] Based on above idea, the utility model has proposed a plurality of different embodiments of auxiliary mirror for automobile blind area to make explanation.

[0027] Specifically, in one basic embodiment, as Figures 1-3The auxiliary mirror for blind area of vehicle shown in the figure comprises a base 4, a connecting arm hinged around a first axis on the base 4, a mirror rod 2 hinged at the other end of the connecting arm, and a mirror 1 spherically hinged at the other end of the mirror rod 2. Limiting and retaining structures are arranged at each hinged position. The first axis and the second axis are parallel and are both in a plane perpendicular to the front-rear direction of the vehicle body. The first limiting and retaining structure is at the first axis, and the second limiting and retaining structure is at the second axis.

[0028] On the basis of the above-mentioned embodiments, the connecting arm has only one arm body, and the two ends of the arm body are hinged together with the mirror rod 2 and the base 4 by means of a pin or a rivet. In a preferred embodiment, as shown in the figure, Figures 1-3 the arm body of the connecting arm comprises a first arm body 3 and a second arm body 14, and the parts of the mirror rod 2 and the base 4 extending into the connecting arm are hinged together with the connecting arm by means of a bolt and nut assembly.

[0029] On the basis of the above-mentioned embodiments, the first limiting and retaining structure comprises a rotation angle limiting structure and a position retaining structure arranged between the base 4 and the arm body of the connecting arm. The rotation angle limiting structure comprises an arc-shaped limiting slot arranged on one of the two rotating cooperation surfaces and a limiting protrusion arranged on the other one and extending into the arc-shaped limiting slot. The position retaining structure comprises a positioning clamping slot arranged on one of the two rotating cooperation surfaces and a positioning clamping protrusion arranged on the other one. In a preferred embodiment, as shown in the figure, Figures 4-5 the rotation angle limiting structure comprises a base arc-shaped limiting slot 10 arranged on the base 4 and a limiting protrusion 7 arranged on the first arm body 3 and extending into the arc-shaped limiting slot, and the position retaining structure comprises a base positioning clamping slot 9 arranged on the base 4 and a positioning clamping protrusion 6 arranged on the first arm body 3. A spring 8 is further arranged on the bolt 15 at the first axis to make the two rotating cooperation surfaces tightly contact each other. The spring 8 is sleeved on the bolt 15 and is pressed by the nut.

[0030] On the basis of the above-mentioned embodiments, the second limiting and retaining structure comprises a rotation angle limiting structure and a position retaining structure arranged between the mirror rod 2 and the arm body of the connecting arm. The rotation angle limiting structure comprises an arc-shaped limiting slot arranged on one of the two rotating cooperation surfaces and a limiting protrusion arranged on the other one and extending into the arc-shaped limiting slot. The position retaining structure comprises a positioning clamping slot arranged on one of the two rotating cooperation surfaces and a positioning clamping protrusion arranged on the other one. In a preferred embodiment, as shown in the figure, Figure 4 , Figure 6 the rotation angle limiting structure comprises a mirror rod arc-shaped limiting slot 13 arranged on the mirror rod 2 and a limiting protrusion 7 arranged on the first arm body 3 and extending into the arc-shaped limiting slot, and the position retaining structure comprises a mirror rod positioning clamping slot 12 arranged on the mirror rod 2 and a positioning clamping protrusion 6 arranged on the first arm body 3. A spring 8 is further arranged on the bolt 15 at the second axis to make the two rotating cooperation surfaces tightly contact each other. The spring 8 is sleeved on the bolt 15 and is pressed by the nut.

[0031] In other other embodiments, the position retaining structure in the first or second position retaining structure can also take other forms. For example, a plurality of positioning ball grooves are arranged around the hinge shaft on one of the two rotating mating surfaces, and a spring positioning pin with an elastic expansion head is mounted thereon. The positioning of the two hinge members at different rotating angles is achieved by the cooperation of the elastic positioning pin and the positioning ball groove.

[0032] On the basis of the above embodiments, the position retaining structure includes three or six or twelve sets of positioning clamping grooves and positioning clamping protrusions uniformly distributed on the circumference, and the rotating angle of the limit protrusion 7 defined by the arc-shaped limit slot of the first and second position retaining structures can be 30° or 60° or 120°. In a preferred embodiment, as shown in Figures 4-6 The positioning clamping grooves and positioning clamping protrusions 6 are uniformly provided with eight sets on the circumference, the base arc-shaped limit slot 10 in the first position retaining structure connects three base positioning clamping grooves 9, and the rotating angle of the limit protrusion 7 is 90°. The mirror rod arc-shaped limit slot 13 in the second position retaining structure connects two mirror rod positioning clamping grooves 12, and the rotating angle of the limit protrusion 7 is 45°.

[0033] In the above embodiments, the mating surfaces of the base positioning clamping groove 9 and the positioning clamping protrusion 6, and the mirror rod positioning clamping groove 12 and the positioning clamping protrusion are all provided with inclined surfaces, so that the base 4 and the connecting arm, and the mirror rod 2 and the connecting arm can rotate relative to each other.

[0034] On the basis of the above embodiments, as shown in Figure 1 , Figure 6 The other end of the mirror rod 2 is provided with a universal ball 11 connected with the mirror shell 5, and the mirror shell 5 can rotate by the required angle around the universal ball 11.

[0035] When the automobile blind area auxiliary mirror of the utility model is used, the two rotating shafts arranged between the connecting arm and the base 4 and the connecting arm and the mirror rod 2 can be used to observe the real-time situation of the surrounding of the vehicle in a larger range, at the same time, the connecting part of the mirror rod 2 and the mirror shell 5 is provided with a universal ball 11, which can provide the driver with a larger field of view, and the cooperation with the automobile rearview mirror can further widen the field of view. When the auxiliary mirror is not needed, the auxiliary mirror is rotated so as not to hinder the driver from using the rearview mirror.

[0036] The above is only a preferred embodiment of the utility model, and does not limit the utility model, the patent protection range of the utility model is subject to the claims, and any equivalent structural changes made according to the contents of the specification and drawings of the utility model should also be included in the protection range of the utility model.

Claims

1. An automotive blind spot auxiliary mirror, characterized by, The base is fixedly connected with the vehicle body, and the connecting arm is hingedly connected with the base about a first axis. The mirror rod is hingedly connected with the end of the connecting arm about a second axis. The end of the mirror rod is hingedly connected with the mirror by a spherical hinge. Limiting and retaining structures are arranged at each hinged position. The first axis and the second axis are parallel and are both in a plane perpendicular to the front-rear direction of the vehicle body.

2. The automobile blind area auxiliary mirror according to claim 1, characterized in that, The connecting arm comprises a first arm body and a second arm body. The base and the mirror rod have portions extending into the space between the two arm bodies and are hingedly connected with the connecting arm by the portions.

3. The automobile blind area auxiliary mirror according to claim 2, characterized in that, The base and the arm bodies have rotating fitting surfaces abutting in the axial direction of the hinged axes. The limiting and retaining structure at the first axis comprises a rotation angle limiting structure arranged between the base and one of the arm bodies and a position retaining structure. The rotation angle limiting structure comprises an arc-shaped limiting slot arranged on one of the rotating fitting surfaces and a limiting protrusion arranged on the other rotating fitting surface and extending into the arc-shaped limiting slot. The position retaining structure comprises a positioning clamping groove arranged on one of the rotating fitting surfaces and a positioning clamping protrusion arranged on the other rotating fitting surface. The height of the limiting protrusion is not lower than the height of the positioning clamping protrusion. A spring is sleeved on the hinge shaft at the first axis to make the two rotating fitting surfaces abut tightly.

4. The automobile blind area auxiliary mirror according to claim 2, characterized in that, The mirror rod and the arm bodies have rotating fitting surfaces abutting in the axial direction of the hinged axes. The limiting and retaining structure at the second axis comprises a rotation angle limiting structure arranged between the base and one of the arm bodies and a position retaining structure. The rotation angle limiting structure comprises an arc-shaped limiting slot arranged on one of the rotating fitting surfaces and a limiting protrusion arranged on the other rotating fitting surface and extending into the arc-shaped limiting slot. The position retaining structure comprises a positioning clamping groove arranged on one of the rotating fitting surfaces and a positioning clamping protrusion arranged on the other rotating fitting surface. The height of the limiting protrusion is not lower than the height of the positioning clamping protrusion. A spring is sleeved on the hinge shaft at the second axis to make the two rotating fitting surfaces abut tightly.

5. The automobile blind area auxiliary mirror according to claim 3, characterized in that, The rotation angle of the limiting protrusion defined by the arc-shaped limiting slot at the first axis is 90°.

6. The automobile blind area auxiliary mirror according to claim 5, characterized in that, Within the rotation angle range, the positioning clamping protrusion has three protrusions which are uniformly distributed.

7. The automobile blind area auxiliary mirror according to claim 4, characterized by, The rotation angle of the limiting protrusion defined by the arc-shaped limiting slot at the second axis is 45°.

8. The automobile blind area auxiliary mirror according to claim 7, characterized in that, Within the rotation angle range, the positioning clamping protrusion has two protrusions which are uniformly distributed.

9. The automobile blind area auxiliary mirror according to claim 3 or 4, characterized by, The hinge shaft at the first axis and the hinge shaft at the second axis are both bolts. The spring is sleeved on the bolt and is pressed by a nut.

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