Magnetic steel positioning mechanism of decoration ring assembly

Abstract

The utility model discloses a magnetic steel positioning mechanism of a decorative ring assembly, which comprises a large support, a decorative ring assembly arranged on the large support and rotatably connected with the large support, and a stepping motor driving the decorative ring assembly to rotate, the stepping motor is fixed on the large support, one end of the decorative ring assembly is fixedly provided with a rotating shaft, and the other end of the decorative ring assembly is fixedly provided with a magnet. The rotating shaft is provided with a magnetic steel assembly, and the large support is fixedly provided with a Hall sensor module matched with the magnetic steel assembly. According to the utility model, the acting surfaces of the decorative ring assembly are switched through the stepping motor, so that different shapes are presented, different light requirements are met, a dynamic effect of rotation of the decorative ring assembly is generated when the decorative ring assembly rotates, and compared with a single light effect of sequential lighting of a conventional light source, the light effect is richer.

Description

Technical Field

[0001] The utility model relates to a magnetic steel positioning mechanism of a decorative ring component. Background Art

[0002] Conventional automotive lamps are limited by the internal space, and the internal structures of the lamps, such as the decorative ring and light source, are basically fixed in a single position. This structure means that when the vehicle needs to present a certain sense of ceremony under certain conditions, the light sources can only be lit sequentially to respond to the vehicle. This conventional structure can no longer meet the current vehicle operating mode requirements and the user's personalized needs for the vehicle. Utility Model Content

[0003] In response to the above problems, the present invention provides a magnetic steel positioning mechanism for a decorative ring assembly. The decorative ring assembly has multiple active surfaces. By rotating the decorative ring assembly, the decorative ring assembly can maintain the required active surfaces as needed, effectively solving the problems pointed out in the background technology.

[0004] The technical solution adopted in this utility model is:

[0005] A magnetic steel positioning mechanism for a decorative ring assembly includes a large bracket, a decorative ring assembly disposed on the large bracket and rotatably connected to the large bracket, and a stepper motor for driving the decorative ring assembly to rotate. The stepper motor is fixed to the large bracket, a rotating shaft is fixed at one end of the decorative ring assembly, a magnetic steel assembly is provided on the rotating shaft, and a Hall sensor module matching the magnetic steel assembly is fixed to the large bracket.

[0006] Preferably, the magnetic steel assembly includes a magnet and a magnetic steel sleeve, a magnetic steel sleeve positioning notch is provided on the inner side of the magnetic steel sleeve, a magnetic steel sleeve positioning platform matching the magnetic steel sleeve positioning notch is provided on the outer end of the rotating shaft, a magnetic steel groove matching the magnetic steel is provided on the outer side, a magnetic steel positioning platform is provided on the inner side wall of the magnetic steel groove, and a magnetic steel positioning notch matching the magnetic steel positioning platform is provided on the magnetic steel.

[0007] The Hall sensor module and the magnetic steel assembly work together to position the rotation angle of the decorative ring assembly. During operation, the stepper motor drives the decorative ring assembly to rotate. When the Hall sensor module detects the change in the magnetic field of the magnetic steel and detects that the decorative ring assembly has rotated to the target position, the stepper motor will stop rotating.

[0008] Preferably, a worm gear mechanism is provided on the rotating shaft, and a worm matching the worm gear mechanism is fixed on the output shaft of the stepping motor.

[0009] Preferably, the worm gear mechanism includes a worm gear fixedly mounted on a rotating shaft, an inner positioning step is provided at the inner end of the rotating shaft at the installation portion of the worm gear, an outer positioning groove is provided at the outer end, and an open clamping ring is matched in the outer positioning groove.

[0010] Preferably, the rotating shaft is fixed with a second ball bearing A and a second ball bearing B on the inner and outer sides of the worm gear respectively.

[0011] The second ball bearing A and the second ball bearing B provide stable support for the rotating shaft, thereby achieving stable fixation of the worm gear and improving the worm gear transmission effect.

[0012] Preferably, the decorative ring assembly includes a decorative ring A, a decorative ring B and a decorative ring C. The decorative ring A and the decorative ring B are fixed together by welding, and the decorative ring C is fixed to the decorative ring A by a decorative ring fixing buckle structure.

[0013] Decorative rings A, B and C form three active surfaces, and the stepper motor can drive the decorative ring assembly to rotate to different active surfaces.

[0014] In this solution, the rotating shaft is made of metal material and cannot be magnetized, and the magnetic steel is magnetized radially.

[0015] The utility model switches the active surface of the decorative ring assembly through a stepping motor, thereby presenting different shapes and meeting different lighting requirements. When the decorative ring assembly rotates, a dynamic effect of the decorative ring assembly rotating is generated. Compared with the single lighting effect of conventional light sources lit sequentially, the lighting effect is better and richer.

[0016] At the same time, the utility model also provides a mechanically rotating headlight structure, including a large bracket, a decorative ring assembly arranged on the large bracket and rotatably connected to the large bracket, and a light guide assembly arranged in the decorative ring assembly and rotatably connected to the decorative ring assembly. One end of the light guide assembly is fixed to the large bracket through a fixing mechanism, and the large bracket is provided with a stepping motor for driving the decorative ring assembly to rotate.

[0017] Preferably, the light guide assembly includes a light guide bracket, and a light guide bar fixed on the light guide bracket, a positioning boss is fixed to the left end of the light guide bar, and a positioning clamp is fixed to the right end side, a positioning groove matching the positioning boss is provided on the inner side of the left end of the light guide bracket, and a plurality of fixing buckles matching the light guide bar are fixed to the light guide bracket along the axial direction, a positioning bayonet matching the positioning clamp is provided on the right end side of the light guide bracket, and the two ends of the light guide bracket are rotatably connected to the decorative ring assembly through the first ball bearing A and the first ball bearing B respectively.

[0018] The light guide bar is installed through the light guide bracket, which facilitates the rotational connection between the light guide bar and the decorative ring assembly. In addition, the installation structure of the light guide bar and the light guide bracket is simple, and the installation is convenient and quick. You only need to insert the light guide bar from the right side of the light guide bracket until the positioning boss on the left end is pushed into the positioning groove on the light guide bracket. At this time, the positioning card head is just inserted into the positioning card slot, and the middle position of the light guide bar is positioned and fixed by a fixing buckle, thereby ensuring that the light guide bar is stably fixed on the light guide bracket.

[0019] Preferably, the decorative ring assembly includes a decorative ring A, a decorative ring B and a decorative ring C, one end of the decorative ring A is provided with a bearing seat matching the first ball bearing A, and the other end is provided with a lower bearing mounting groove matching the first ball bearing B, the decorative ring B is provided with an upper bearing mounting groove matching the lower bearing mounting groove, the decorative ring A and the decorative ring B are fixed together by welding, the upper bearing mounting groove and the lower bearing mounting groove are fixed together to form a rotating circle, and the decorative ring C is fixed to the decorative ring A by a decorative ring fixing buckle structure.

[0020] The decorative ring assembly is composed of decorative ring A, decorative ring B and decorative ring C, which makes it easy to install the light guide assembly inside the decorative ring assembly. The structure is reasonable and it is easy to select the materials of decorative ring A, decorative ring B and decorative ring C respectively. For example, decorative ring A is made of a combination of transparent plastic and non-transparent plastic, decorative ring B is made of a combination of transparent plastic and non-transparent plastic, and decorative ring C is made of non-transparent plastic. The color of the above transparent plastic needs to be adjusted according to the actual function definition, and the color of the above non-transparent plastic needs to be adjusted according to the shape color definition requirements. Decorative rings A, decorative ring B and decorative ring C are not in a locked state and need to be defined according to the state of the product being flipped over and exposed.

[0021] Preferably, the decorative ring A is fixed with a rotating shaft at the outer end of the bearing seat, the rotating shaft is made of metal and cannot be magnetized, and a worm gear mechanism is provided on the rotating shaft.

[0022] The power of the stepper motor is transmitted to the rotating shaft through the worm gear mechanism, so that the decorative ring A fixed to the rotating shaft rotates synchronously.

[0023] Preferably, the worm gear mechanism includes a worm gear fixedly mounted on a rotating shaft, an inner positioning step is provided at the inner end of the rotating shaft at the installation portion of the worm gear, an outer positioning groove is provided at the outer end, and an open clamping ring is matched in the outer positioning groove.

[0024] The inner side of the worm wheel is positioned in the axial direction of the rotating shaft by an inner positioning step to prevent the worm wheel from shifting to the right. The outer side is positioned in the axial direction by opening an outer positioning groove and matching it with an open clamping ring to prevent the worm wheel from shifting to the left.

[0025] Preferably, the rotating shaft is fixed with a second ball bearing A and a second ball bearing B on the inner and outer sides of the worm gear respectively.

[0026] The second ball bearing A and the second ball bearing B provide stable support for the rotating shaft, thereby achieving stable fixation of the worm gear and improving the worm gear transmission effect.

[0027] Preferably, a magnetic steel assembly is fixed to the outer end of the rotating shaft, and the magnetic steel assembly includes a magnet and a magnetic steel sleeve. A magnetic steel sleeve positioning notch is provided on the inner side of the magnetic steel sleeve, and a magnetic steel sleeve positioning platform matching the magnetic steel sleeve positioning notch is provided at the outer end of the rotating shaft, and a magnetic steel groove matching the magnetic steel is provided on the outer side, and a magnetic steel positioning platform is provided on the inner side wall of the magnetic steel groove, and a magnetic steel positioning notch matching the magnetic steel positioning platform is provided on the magnet.

[0028] Preferably, a rotating circle groove matching the rotating circle is provided at one end of the large bracket, and a worm wheel groove matching the worm wheel is provided at the other end. The large bracket is provided with a second bearing groove A and a second bearing groove B matching the second ball bearing A and the second ball bearing B on both sides of the worm wheel groove, respectively. A worm matching the worm wheel is provided on the output end of the stepping motor. A cover plate is fixed on the large bracket above the worm wheel groove. The cover plate is fixed to the large bracket by bolts, and the shape of the inner side of the cover plate matches the second ball bearing A and the second ball bearing B.

[0029] One end of the decorative ring assembly is rotatably connected to the rotating ring groove on the large bracket through a rotating ring, and the other end is rotatably connected to the second bearing groove A and the second bearing groove B on the large bracket through a second ball bearing A and a second ball bearing B. In this way, when the stepper motor is running, the stepper motor can drive the decorative ring assembly to rotate stably through the cooperation of the worm and the turbine. The combined action of the cover plate and the fixing mechanism fixes the left and right ends of the decorative ring assembly to the large bracket.

[0030] Preferably, the fixing mechanism includes a positioning platform provided at the right end of the light guide bracket and a positioning groove provided on the large bracket, wherein the positioning groove matches the positioning platform.

[0031] The light guide bracket and the large bracket are relatively fixed by the fixing mechanism, so that when the decorative ring assembly rotates, the light guide bracket will not rotate along with the decorative ring assembly.

[0032] Preferably, the large bracket has a Hall sensor module fixed at one end where the magnetic steel component is located, and a light source module fixed at the other end.

[0033] The Hall sensor module and the magnetic steel assembly work together to position the rotation angle of the decorative ring assembly. During operation, the stepper motor drives the decorative ring assembly to rotate. When the Hall sensor module detects the change in the magnetic field of the magnetic steel and detects that the decorative ring assembly has rotated to the target position, the stepper motor will stop rotating.

[0034] The light source module is equipped with LEDs of various colors, such as red, yellow, and white, according to functional requirements, and can control these LEDs to be high or low brightness. The light emitted by the light source module is transmitted through the light guide strip.

[0035] The utility model drives the decorative ring assembly to rotate through a stepping motor, thereby presenting different styling surfaces on the decorative ring assembly to meet the needs of different lighting functions. When the vehicle needs to present a ceremonial lighting effect, in addition to the sequential lighting of the light sources, a dynamic effect of mechanical rotation is also added. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 It is a structural diagram of the utility model;

[0037] Figure 2 This is a schematic diagram of the longitudinal cross-sectional structure of the utility model;

[0038] Figure 3 Schematic diagram of the explosion structure of the utility model;

[0039] Figure 4 Schematic diagram of the structure of the decorative ring assembly;

[0040] Figure 5 for Figure 4 Schematic diagram of the explosion structure;

[0041] Figure 6 Schematic diagram of the bottom mechanism of the decorative ring B;

[0042] Figure 7 It is a schematic diagram of the left side structure of the magnetic steel sleeve;

[0043] Figure 8 It is a schematic diagram of the right side structure of the magnetic steel sleeve;

[0044] Figure 9 Schematic diagram of the exploded structure of the light guide assembly;

[0045] Figure 10 Schematic diagram of the structure of the light guide bracket;

[0046] Figure 11 It is a structural diagram of the large bracket;

[0047] Figure 12 This is a schematic diagram of the internal structure of the utility model;

[0048] Figure 13 This is a schematic diagram of the structure when the decorative ring assembly is rotated to the A side;

[0049] Figure 14 This is a schematic diagram of the structure when the decorative ring assembly is rotated to the B side;

[0050] Figure 15 It is a structural diagram of the decorative ring assembly when it is rotated to the C surface. DETAILED DESCRIPTION

[0051] It should be noted that the following detailed descriptions are illustrative and intended to provide further explanation of the present application. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which the present application belongs.

[0052] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or combinations thereof.

[0053] In addition, in the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "clockwise", "counterclockwise" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0054] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, unless otherwise specified, "plurality" means two or more, unless expressly limited otherwise.

[0055] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0056] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0057] The present invention will be described in further detail below through specific embodiments with reference to the accompanying drawings.

[0058] Example 1

[0059] like Figure 1-12 As shown, a magnetic steel positioning mechanism of a decorative ring assembly includes a large bracket 1, a decorative ring assembly 2 disposed on the large bracket 1 and rotatably connected to the large bracket 1, and a stepper motor 5 for driving the decorative ring assembly 2 to rotate. The stepper motor 5 is fixed to the large bracket 1, and a rotating shaft 28 is fixed to one end of the decorative ring assembly 2. The rotating shaft 28 is provided with a magnetic steel assembly 297. The large bracket 1 is fixed with a Hall sensor module 10 that matches the magnetic steel assembly 297.

[0060] The magnetic steel assembly 297 includes a magnet 2971 and a magnetic steel sleeve 2972. The inner side of the magnetic steel sleeve 2972 ​​is provided with a magnetic steel sleeve positioning notch 2973. The outer end of the rotating shaft 28 is provided with a magnetic steel sleeve positioning platform 2974 that matches the magnetic steel sleeve positioning notch 2973. The outer side is provided with a magnetic steel groove 2975 that matches the magnetic steel 2971. The inner side wall of the magnetic steel groove 2975 is provided with a magnetic steel positioning platform 2976. The magnetic steel 2971 is provided with a magnetic steel positioning notch 2977 that matches the magnetic steel positioning platform 2976.

[0061] A worm gear mechanism 29 is provided on the rotating shaft 28 , and a worm 8 matching the worm gear mechanism 29 is fixed on the output shaft of the stepping motor 5 .

[0062] The worm gear mechanism 29 includes a worm gear 291 fixedly mounted on the rotating shaft 28. The rotating shaft 28 is provided with an inner positioning step 292 at the inner end of the installation portion of the worm gear 291, and an outer positioning groove 293 is provided at the outer end. An open clamping ring 294 is matched in the outer positioning groove 293.

[0063] The rotating shaft 28 is fixed with a second ball bearing A295 and a second ball bearing B296 on the inner and outer sides of the worm gear 291 respectively.

[0064] The decorative ring assembly 2 includes a decorative ring A21, a decorative ring B22 and a decorative ring C23. The decorative ring A21 and the decorative ring B22 are fixed together by welding, and the decorative ring C23 is fixed to the decorative ring A21 by a decorative ring fixing buckle structure 27.

[0065] The working principle of this utility model is as follows:

[0066] The stepper motor 5 controls the rotation of the decorative ring assembly 2, thereby realizing that the decorative ring assembly 2 is in different active surfaces. For example, the decorative ring A21, the decorative ring B22 or the decorative ring C23 can be controlled as the active surface. When the light source acts on different active surfaces, different lighting effects will be achieved to meet the illumination requirements. At the same time, when the stepper motor 5 controls the rotation of the decorative ring assembly 2, the rotation can also bring about dynamic lighting effects, making the dynamic effects richer.

[0067] Example 2

[0068] like Figure 1-12 As shown, a mechanically rotating vehicle lamp structure includes a main bracket 1, a decorative ring assembly 2 arranged on the main bracket 1 and rotatably connected to the main bracket 1, and a light guide assembly 3 arranged in the decorative ring assembly 2 and rotatably connected to the decorative ring assembly 2. One end of the light guide assembly 3 is fixed to the main bracket 1 by a fixing mechanism 4. The main bracket 1 is provided with a stepping motor 5 for driving the decorative ring assembly 2 to rotate.

[0069] The light guide assembly 3 includes a light guide bracket 31 and a light guide bar 32 fixed on the light guide bracket 31. The left end of the light guide bar 32 is fixed with a positioning boss 33, and the right end side is fixed with a positioning clamp 34. The inner side of the left end of the light guide bracket 31 is provided with a positioning groove 35 matching the positioning boss 33, and the light guide bracket 31 is axially fixed with multiple fixing buckles 36 matching the light guide bar 32, and the middle part of the light guide bar 32 is positioned and fixed by the fixing buckles 36. The right end side of the light guide bracket 31 is provided with a positioning bayonet 37 matching the positioning clamp 34. The right end of the light guide bar 32 is positioned and fixed to the right end of the light guide bracket 31 by using the positioning clamp 34 and the positioning bayonet 37. The two ends of the light guide bracket 31 are rotatably connected to the decorative ring assembly 2 through the first ball bearing A38 and the first ball bearing B39 respectively, so that the light guide bracket 31 can rotate smoothly in the decorative ring assembly 2.

[0070] The decorative ring assembly 2 includes a decorative ring A21, a decorative ring B22 and a decorative ring C23. One end of the decorative ring A21 is provided with a bearing seat 24 that matches the first ball bearing A38, and the other end is provided with a lower bearing mounting groove 25 that matches the first ball bearing B39. The decorative ring B22 is provided with an upper bearing mounting groove 26 that matches the lower bearing mounting groove 25. The decorative ring A21 and the decorative ring B22 are fixed together by welding. The upper bearing mounting groove 26 and the lower bearing mounting groove 25 are fixed together to form a rotating circle. The decorative ring C23 is fixed to the decorative ring A21 by a decorative ring fixing buckle structure 27.

[0071] Decorative ring A21 is made of a combination of transparent plastic and non-transparent plastic, decorative ring B22 is made of a combination of transparent plastic and non-transparent plastic, and decorative ring C23 is made of non-transparent plastic. The color of the above transparent plastic needs to be adjusted according to the actual functional definition, and the color of the above non-transparent plastic needs to be adjusted according to the shape color definition requirements. Decorative rings A21, B22 and C23 are not in a locked state and need to be defined according to the state of the product being flipped over and exposed.

[0072] The transparent area and the opaque area of ​​the exposed surface of the bezel assembly 2 can be adjusted according to the actual shape and functional requirements of the light.

[0073] The decorative ring A21 is fixed with a rotating shaft 28 at the outer end of the bearing seat 24 . The rotating shaft 28 is provided with a worm gear mechanism 29 , and the worm gear mechanism 29 is driven by a stepping motor 5 .

[0074] The worm gear mechanism 29 includes a worm gear 291 fixedly mounted on the rotating shaft 28. The rotating shaft 28 is provided with an inner positioning step 292 at the inner end of the installation portion of the worm gear 291, and an outer positioning groove 293 is provided at the outer end. An open clamping ring 294 is matched in the outer positioning groove 293.

[0075] The rotating shaft 28 is fixed with a second ball bearing A295 and a second ball bearing B296 on the inner and outer sides of the worm gear 291 respectively.

[0076] A magnetic steel assembly 297 is fixed to the outer end of the rotating shaft 28, and the magnetic steel assembly 297 includes a magnet 2971 and a magnetic steel sleeve 2972. A magnetic steel sleeve positioning notch 2973 is provided on the inner side of the magnetic steel sleeve 2972. A magnetic steel sleeve positioning platform 2974 matching the magnetic steel sleeve positioning notch 2973 is provided at the outer end of the rotating shaft 28, and a magnetic steel groove 2975 matching the magnetic steel 2971 is provided on the outer side. A magnetic steel positioning platform 2976 is provided on the inner side wall of the magnetic steel groove 2975, and a magnetic steel positioning notch 2977 matching the magnetic steel positioning platform 2976 is provided on the magnet 2971.

[0077] The magnetic steel 2971 is radially magnetized and cooperates with the Hall sensor module 10 to play a positioning role.

[0078] One end of the large bracket 1 is provided with a rotating circle groove 6 that matches the rotating circle, and the other end is provided with a worm wheel groove 7 that matches the worm wheel 291. The large bracket 1 is provided with a second bearing groove A14 and a second bearing groove B13 that match the second ball bearing A295 and the second ball bearing B296 on both sides of the worm wheel groove 7.

[0079] A worm 8 matching the worm wheel 291 is provided on the output end of the stepper motor 5. A cover plate 9 is fixed to the large bracket 1 above the worm wheel groove 7. The cover plate 9 is fixed to the large bracket 1 by bolts. The shape of the inner side of the cover plate 9 matches the second ball bearing A295 and the second ball bearing B296.

[0080] The fixing mechanism 4 includes a positioning platform 41 provided at the right end of the light guide bracket 31 and a positioning groove 42 provided on the large bracket 1 . The positioning groove 42 matches the positioning platform 41 .

[0081] The large bracket 1 has a Hall sensor module 10 fixed at one end where the magnetic steel component 297 is located, and a light source module 11 fixed at the other end.

[0082] The Hall sensor module 10 cooperates with the magnetic steel assembly 297 to ensure that the stepper motor 5 drives the decorative ring assembly 2 to rotate to the target position to achieve light control.

[0083] When the present invention is in use, the decorative ring assembly 2 has three active surfaces, specifically surface A, surface B and surface C. Figure 13 It shows the structure diagram of the decorative ring assembly 2 rotating to the A side. Figure 14 It shows the structure diagram of the decorative ring assembly 2 rotating to the B side. Figure 15It shows a structural diagram of the decorative ring assembly 2 rotated to the C surface.

[0084] When the decorative ring assembly 2 rotates to the A side, the active surface is entirely made of opaque plastic, and the light emitted by the light source module 11 cannot pass through. In actual product design, this can be defined as the state of the decorative ring assembly 2 in the locked vehicle mode, and the light source module 11 is extinguished accordingly.

[0085] When the decorative ring assembly 2 is rotated to the B side, the active surface consists of two parts, transparent plastic and opaque plastic. The light emitted by the light source module 11 can pass through the opaque plastic. In actual product design, brake lights, daytime running lights, reversing lights, turn signals, automatic driving lights, front position lights, rear position lights, etc. can be realized. When the brake lights, daytime running lights, reversing lights, turn signals, and automatic driving lights are realized, the light source module 11 needs to be controlled to be high-bright, and when the front position lights and rear position lights are realized, the light source module 11 needs to be controlled to be low-bright.

[0086] When the decorative ring assembly 2 is rotated to the C surface, the active surface consists of two parts, transparent plastic and opaque plastic. The light emitted by the light source module 11 can pass through the opaque plastic. In actual product design, brake lights, daytime running lights, reversing lights, turn signals, automatic driving lights, front position lights, rear position lights, etc. can be realized. When the brake lights, daytime running lights, reversing lights, turn signals, and automatic driving lights are realized, the light source module 11 needs to be controlled to be high-bright, and when the front position lights and rear position lights are realized, the light source module 11 needs to be controlled to be low-bright.

[0087] For example, the following designs can be made for the bezel assembly 2 when it is rotated to the A, B, and C surfaces:

[0088] Locking mode: the bezel assembly 2 rotates to the A side, and the light source module 11 is turned off;

[0089] Driving Mode 1: The bezel assembly 2 rotates to the B side, and the white LED in the light source module 11 is highlighted, realizing the daytime running light function. The white light emitted by the light source module 11 illuminates the light guide bar 32, and the pattern on the back of the light guide bar 32 reflects the light to the B side, and is refracted into a corresponding light spot by the optical pattern on the B side.

[0090] Driving Mode 2: The bezel assembly 2 rotates to the B side, and the yellow LED in the light source module 11 is highlighted, realizing the turn signal function. The yellow light emitted by the light source module 11 illuminates the light guide bar 32, and the pattern on the back of the light guide bar 32 reflects the light to the B side, and is refracted into a corresponding light spot by the optical pattern on the B side.

[0091] Driving Mode 3: The bezel assembly 2 rotates to the B side, and the red LED in the light source module 11 is highlighted, realizing the brake light function. The red light emitted by the light source module 11 illuminates the light guide bar 32, and the pattern on the back of the light guide bar 32 reflects the light to the B side, and is refracted into a corresponding light spot by the optical pattern on the B side.

[0092] Driving Mode 4: The bezel assembly 2 rotates to the B side, and the red LED in the light source module 11 is dimmed, realizing the front position light and rear position light functions. The red light emitted by the light source module 11 illuminates the light guide bar 32, which is reflected to the B side by the pattern on the back of the light guide bar 32. The light is refracted into corresponding light spots by the optical pattern on the B side.

[0093] Driving mode 5: The bezel assembly 2 rotates to the C surface, and the white LED in the light source module 11 is highlighted to realize the reversing light function. The light spot of the reversing light is too different from that of other lights. It is set on the C surface and not set together with other lights. The white light emitted by the light source module 11 illuminates the light guide bar 32, and the pattern on the back of the light guide bar 32 reflects the light to the C surface, and is refracted into a corresponding light spot through the optical pattern on the C surface.

[0094] It should be noted that the rotation of the bezel assembly 2 takes time. When there is a combination of a brake light and a rear position light, or a combination of a turn signal light, a front position light, and a rear position light, they can be placed on the same rotation plane, for example, on the B plane or the C plane.

[0095] Finally, it should be noted that the above examples are merely specific embodiments of the present invention. Obviously, the present invention is not limited to the above embodiments and is subject to numerous variations. All variations that can be directly derived or conceived by a person of ordinary skill in the art from the disclosure of the present invention should be considered within the scope of protection of the present invention.

Claims

1. A magnetic steel positioning mechanism for a decorative ring assembly, characterized in that: The invention comprises a large bracket (1), a decorative ring assembly (2) arranged on the large bracket (1) and rotatably connected to the large bracket (1), and a stepping motor (5) for driving the decorative ring assembly (2) to rotate, wherein the stepping motor (5) is fixed on the large bracket (1), a rotating shaft (28) is fixed at one end of the decorative ring assembly (2), a magnetic steel assembly (297) is provided on the rotating shaft (28), and a Hall sensor module (10) matching the magnetic steel assembly (297) is fixed on the large bracket (1).

2. The magnetic steel positioning mechanism of the decorative ring assembly according to claim 1, characterized in that: The magnetic steel assembly (297) includes a magnetic steel (2971) and a magnetic steel sleeve (2972), the inner side of the magnetic steel sleeve (2972) is provided with a magnetic steel sleeve positioning notch (2973), the outer end of the rotating shaft (28) is provided with a magnetic steel sleeve positioning platform (2974) matching the magnetic steel sleeve positioning notch (2973), the outer side is provided with a magnetic steel groove (2975) matching the magnetic steel (2971), the inner side wall of the magnetic steel groove (2975) is provided with a magnetic steel positioning platform (2976), and the magnetic steel (2971) is provided with a magnetic steel positioning notch (2977) matching the magnetic steel positioning platform (2976).

3. The magnetic steel positioning mechanism of the decorative ring assembly according to claim 1, characterized in that: A worm gear mechanism (29) is provided on the rotating shaft (28), and a worm (8) matching the worm gear mechanism (29) is fixed on the output shaft of the stepping motor (5).

4. The magnetic steel positioning mechanism of the decorative ring assembly according to claim 3, characterized in that: The worm gear mechanism (29) includes a worm gear (291) fixedly mounted on a rotating shaft (28); an inner positioning step (292) is provided at the inner end of the rotating shaft (28) at the mounting portion of the worm gear (291); an outer positioning groove (293) is provided at the outer end; an open clamping ring (294) is matched in the outer positioning groove (293).

5. The magnetic steel positioning mechanism of the decorative ring assembly according to claim 4, characterized in that: The rotating shaft (28) is fixed with a second ball bearing A (295) and a second ball bearing B (296) on the inner and outer sides of the worm wheel (291), respectively.

6. The magnetic steel positioning mechanism of the decorative ring assembly according to claim 1, characterized in that: The decorative ring assembly (2) includes a decorative ring A (21), a decorative ring B (22) and a decorative ring C (23). The decorative ring A (21) and the decorative ring B (22) are fixed together by welding, and the decorative ring C (23) is fixed to the decorative ring A (21) by a decorative ring fixing buckle structure (27).

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