A vehicle lamp dimming device, dimming method and vehicle lamp

Abstract

The present application discloses a vehicle lamp dimming device, a dimming method and a vehicle lamp. The dimming device includes: a rearview mirror, with a first mounting portion provided at the rear end thereof, and is rotatably connected to a lamp housing through a rotating unit at a position having a set distance from the first mounting portion; a transmission rod, having a first buckle and a first gear, the first buckle is connected to the first mounting portion, and a first support rod, a transition section and a second support rod are provided between the first buckle and the first gear, the first support rod and the second support rod are parallel and staggered; an adjusting rod, having a second gear, the second gear meshes with the first gear, solving the problem of large occupied space, capable of realizing 360° rotation without jamming, convenient to adjust and not damaging the dimming device.

Description

Technical Field

[0001] The present application relates to the technical field of automotive lamps, and particularly to a vehicle lamp dimming device, a dimming method and a vehicle lamp. Background Art

[0002] The statements herein only provide background art related to the present application and do not necessarily constitute prior art.

[0003] With the continuous development of science and technology in the automotive manufacturing industry and the increasing requirements for the styling of automobiles, the styling of automotive lamps is becoming more and more diverse, more and more free, and more and more compact. The design requirements for automotive lamps are also getting higher and higher. On the premise of meeting the appearance requirements, it is required to save space as much as possible and reduce costs as much as possible.

[0004] The existing dimming device is composed of a series of dimming parts such as a dimming screw, a retaining spring piece, a dimming nut, etc., and has multiple metal parts. The structure is complex and occupies a large space. When dimming the lamp, it is easy to turn to the limit position, and the dimming is inconvenient and the dimming device is easily damaged.

[0005] Application Content

[0006] Aiming at the deficiencies of the existing technology, the purpose of the embodiments of the present application is to provide a vehicle lamp dimming device, a dimming method and a vehicle lamp to solve the problem of large occupied space, and to be able to achieve 360° rotation without jamming, with convenient adjustment and no damage to the dimming device.

[0007] To achieve the above object, the embodiments of the present application provide a vehicle lamp dimming device, including: a reflector, with a first mounting portion provided at the back end, and rotatably connected to the lamp housing through a rotating unit at a position having a set distance from the first mounting portion; a transmission rod, having a first buckle and a first gear, the first buckle is connected to the first mounting portion, and a first support rod, a transition section and a second support rod are provided between the first buckle and the first gear, and the first support rod and the second support rod are parallel and offset; an adjusting rod, having a second gear, and the second gear meshes with the first gear.

[0008] Further, the first mounting portion is provided with a first through hole, the opening length of the first through hole in the first direction is matched with the diameter of the first buckle, and the opening length of the first through hole in the second direction is greater than the movement length of the first buckle in the second direction when rotating.

[0009] Further, the front end of the first buckle is a cone, the rear side of the cone is a cylinder, the maximum diameter of the cone is greater than the diameter of the cylinder, and an opening groove is radially provided on the first buckle.

[0010] Further, a plurality of second buckles are provided on the circumference of the second support rod, and the transmission rod is connected to the lamp housing through the second buckles.

[0011] Furthermore, a sealing groove is provided between the second support rod and the first gear, the lamp housing is provided with a second mounting hole, and a sealing ring is provided between the sealing groove and the second mounting hole.

[0012] Furthermore, a protective cover is installed outside the lamp housing, a clamping plate is provided inside the protective cover, and a clamping groove is provided on the adjusting rod at a set distance from the second gear, and the clamping plate is inserted into the clamping groove.

[0013] Furthermore, the adjusting rod is provided with an adjusting portion, and the adjusting portion is provided at the opposite end of the second gear.

[0014] Furthermore, the rotating unit includes a rotating seat, a connecting member and a connecting rod. The rotating seat is connected to the rearview mirror through the connecting member, the connecting rod is connected to the lamp housing, and one end of the connecting rod away from the lamp housing has a spherical structure, and the spherical structure is installed in the rotating seat, and the rotating seat can rotate around the spherical structure.

[0015] The embodiment of the present application also provides a dimming method for the above dimming device, including: rotating the adjusting rod, the adjusting rod drives the transmission rod to rotate. Since the first support rod and the second support rod are parallel and staggered, the end of the rearview mirror rotates around the rotation axis formed by the center line of the two spherical structures, realizing the dimming of the vehicle lamp.

[0016] The embodiment of the present application also provides a vehicle lamp, including the above-mentioned vehicle lamp dimming device.

[0017] One or more technical solutions provided in the embodiment of the present application have at least the following technical effects or advantages:

[0018] 1. When dimming, the adjusting rod is rotated in the dimming device of the embodiment of the present application, and the adjusting rod drives the transmission rod to rotate. Since the first support rod and the second support rod are parallel and staggered, the first buckle at the front end of the first support rod makes a circular motion around the second support rod, so that the end of the rearview mirror provided with the first mounting portion rotates around the rotating unit, realizing the adjustment of the light angle. By adjusting the end of the rearview mirror, the vehicle lamp is dimmed. The structure is compact, solving the problem of large occupied space. Moreover, both the adjusting rod and the transmission rod can rotate 360° without jamming, and the adjustment is convenient and the dimming device will not be damaged.

[0019] 2. The dimming device according to the embodiment of the present application utilizes the circular motion of the first buckle of the transmission rod to enable the end of the reflector to only perform reciprocating movement perpendicular to the rotation axis direction and not perform movement parallel to the rotation axis direction, thereby realizing the dimming of the vehicle lamp. When dimming, it can be adjusted in one direction until the angle meeting the user's expectation is obtained, or it can be adjusted in the forward direction combined with the reverse adjustment until the angle meeting the user's expectation is reached. The dimming is more convenient and rapid, and both the transmission rod and the adjustment rod can rotate 360 degrees without damaging the dimming device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings forming a part of this application are used to provide a further understanding of the present application. The schematic embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation to the present application.

[0021] Figure 1 It is a schematic diagram of the connection relationship among the reflector, the transmission rod, and the adjustment rod according to the embodiment of the present application;

[0022] Figure 2 It is a schematic diagram of the reflector according to the embodiment of the present application;

[0023] Figure 3 It is the front view of the transmission rod according to the embodiment of the present application;

[0024] Figure 4 It is the top view of the transmission rod according to the embodiment of the present application;

[0025] Figure 5 It is the perspective view of the transmission rod according to the embodiment of the present application;

[0026] Figure 6 It is a schematic diagram of the adjustment rod according to the embodiment of the present application;

[0027] Figure 7 It is a schematic diagram of the installation of the protective cover and the lamp housing according to the embodiment of the present application;

[0028] Figure 8 It is a schematic diagram of the lamp housing according to the embodiment of the present application;

[0029] Figure 9 It is a schematic diagram of the interior of the lamp housing according to the embodiment of the present application;

[0030] Figure 10 It is a schematic diagram of the protective cover according to the embodiment of the present application;

[0031] Figure 11 It is a schematic diagram of the interior of the protective cover according to the embodiment of the present application;

[0032] Figure 12 It is a schematic diagram of the rotating unit according to the embodiment of the present application;

[0033] Figure 13 It is a sectional view of the rotating unit according to the embodiment of the present application;

[0034] In the figure: 10 - rearview mirror, 11 - first mounting part, 12 - first mounting hole, 20 - transmission rod, 21 - first buckle, 21a - opening groove, 22 - first support rod, 23 - second support rod, 24 - second buckle, 25 - sealing groove, 26 - first gear, 30 - adjusting rod, 31 - second gear, 32 - clamping groove, 33 - adjusting part, 34 - adjusting hole, 40 - lamp housing, 41 - second mounting part, 42 - third mounting part, 43 - second mounting hole, 44 - fourth mounting part, 50 - cover, 51 - third mounting hole, 52 - fourth mounting hole, 53 - clamping plate, 60 - rotating unit, 61 - rotating seat, 62 - connecting piece, 63 - connecting rod.

[0035] The distances or dimensions between each part are exaggerated for showing the positions of each part, and the schematic diagram is only for illustration. Detailed implementation manners

[0036] It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the present application. Unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present application belongs.

[0037] It should be noted that the terms used herein are only for describing the specific implementation manners and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the present application clearly indicates otherwise, the singular forms are also intended to include the plural forms. In addition, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof;

[0038] For the convenience of description, if the words "upper", "lower", "left", and "right" appear in the present application, they only represent the same directions as the upper, lower, left, and right directions of the accompanying drawings themselves, and do not limit the structure. They are only for facilitating the description of the present application and simplifying the description, rather than indicating or implying 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 to the present application.

[0039] Term explanation part: The terms "mounting", "connecting", "connection", "fixing", etc. in the present application should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral body; it can be a mechanical connection, a direct connection, or an indirect connection through an intermediate medium. It can be an internal connection between two elements, or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meaning of the terms in the present application can be understood according to the specific situation.

[0040] As introduced in the background art, the dimming device in the prior art has a complex structure and occupies a large space. When dimming the lamp, it is easy to turn to the limit position, making the dimming inconvenient and prone to damage the dimming device. To solve the above technical problems, the present application proposes a vehicle headlight dimming device.

[0041] As Figures 1-13 shown, an embodiment of the present application describes a vehicle headlight dimming device, including: a lamp housing 40, a reflector 10, a transmission rod 20, and an adjustment rod 30. A first mounting portion 11 is provided at the end of the back of the reflector 40, and is rotatably connected to the lamp housing 40 through a rotation unit 60 at a position having a set distance from the first mounting portion 11; the transmission rod 20 has a first buckle 21 and a first gear 26, the first buckle 21 is connected to the first mounting portion 11, and a first support rod 22, a transition section, and a second support rod 23 are provided between the first buckle 21 and the first gear 26, and the first support rod 22 and the second support rod 23 are parallel and offset; the adjustment rod 30 has a second gear 31, and the second gear 31 meshes with the first gear 26.

[0042] The lamp housing is a semi-enclosed structure, the reflector is arranged inside the lamp housing, and the back of the reflector (i.e., the side opposite to the light) is connected to the lamp housing through a rotation unit. In this embodiment, there are two rotation units, and the connection line of the two rotation units is the rotation axis of the reflector rotation. The transmission rod is, from the inside out, a first buckle, a first support rod, a transition section, a second support rod, and a first gear (as Figure 3 shown), the transmission rod passes through the lamp housing and is connected to the end of the back of the reflector through the first buckle, the first gear is located outside the lamp housing and meshes with the second gear, the adjustment rod is perpendicularly arranged with the transmission rod, and the first gear and the second gear are helical gears.

[0043] As Figure 1 shown, when dimming, rotate the adjustment rod, and the adjustment rod drives the transmission rod to rotate. Since the first support rod and the second support rod are parallel and offset, the first buckle at the front end of the first support rod makes a circular motion around the second support rod, so that the end of the reflector provided with the first mounting portion rotates around the rotation unit, realizing the adjustment of the light angle. By adjusting the end of the reflector, the vehicle headlight dimming is realized. The structure is compact, solving the problem of large occupied space, and both the adjustment rod and the transmission rod can rotate 360° without jamming, the adjustment is convenient and the dimming device will not be damaged.

[0044] In this embodiment, the transmission rod and the adjustment rod are made of PA6+GF30 material, and the parallel distance between the first support rod and the second support rod is 3 mm.

[0045] The first mounting portion 11 is provided with a first through hole 12. The opening length of the first through hole 12 in the first direction is matched with the diameter of the first buckle 21, and the opening length of the first through hole 12 in the second direction is greater than the movement length of the first buckle 21 in the second direction when it rotates.

[0046] Wherein the first direction is perpendicular to the rotation axis of the rearview mirror. For example, Figure 2 in the left-right direction (slightly inclined) of the first through hole in the figure. The second direction is perpendicular to the first direction, that is, the second direction is parallel to the rotation axis of the rearview mirror. In this embodiment, the first through hole is an elliptical hole. The first direction is the short axis direction of the ellipse, and the second direction is the long axis direction of the ellipse. The matching of the opening length of the first through hole in the first direction with the diameter of the first buckle means that the width in the short axis direction of the ellipse is slightly larger than the diameter of the first buckle, so that when the first buckle makes a circular motion, it drives the end of the rearview mirror to perform a reciprocating movement in the direction perpendicular to the rotation axis. The length in the long axis direction of the elliptical hole is greater than the moving range of the first buckle in this direction when it makes a circular motion (the moving range includes the diameter of the first buckle), so that when the first buckle makes a circular motion, it will not drive the end of the rearview mirror to perform a movement parallel to the rotation axis direction. That is, by using the circular motion of the first buckle of the transmission rod, the end of the rearview mirror only performs a reciprocating movement perpendicular to the rotation axis direction and does not perform a movement parallel to the rotation axis direction, realizing the light adjustment of the vehicle lamp. When adjusting the light, it can be adjusted in one direction until the angle that meets the user's expectation is obtained, or it can be adjusted in the forward direction combined with the reverse adjustment until the angle that meets the user's expectation is reached. The light adjustment is more convenient and fast, and both the transmission rod and the adjustment rod can rotate 360 degrees without damaging the light adjustment device.

[0047] For example, Figure 3 、 4 As shown in FIGS. 5, the front end of the first buckle 21 is a cone, and the rear side of the cone is a cylinder. The maximum diameter of the cone is greater than the diameter of the cylinder. The first buckle 21 is radially provided with an opening groove 21a. The length in the short axis direction of the elliptical hole is slightly larger than the diameter of the cylinder. The setting of the cone makes it easier to position during installation. The maximum diameter of the cone is greater than the diameter of the cylinder to prevent the first buckle from falling off after installation. The cooperation of the opening groove and the cone makes the installation more convenient and reliable.

[0048] A plurality of second buckles 24 are arranged around the second branch rod 23. The transmission rod 20 is connected to the lamp housing through the second buckles 24. For example, Figure 3 as described, in this embodiment, 3 second buckles are provided. The function of the second buckle is the same as that of the first buckle, and the purpose is to achieve convenient, fast and reliable installation.

[0049] For example, Figure 3 、 8As shown, a sealing groove 25 is provided between the second support rod 23 and the first gear 26. The lamp housing 40 is provided with a second mounting hole 43. A sealing ring is provided between the sealing groove 25 and the second mounting hole 43. The sealing ring is provided to prevent dirt such as dust and liquid from entering the lamp housing and affecting the light illumination.

[0050] As Figure 7 、 8 、10 shown, a protective cover 50 is installed outside the lamp housing 40. The lamp housing is provided with second mounting parts 41 and third mounting parts 42 in different directions. The protective cover is provided with third mounting holes 51 and fourth mounting holes 52 in different directions. The third mounting holes are connected to the second mounting parts and the fourth mounting holes are connected to the third mounting parts by screws, connecting the protective cover to the lamp housing in two directions to ensure the connection stability.

[0051] As Figure 6 、 8 、11 shown, a clamping plate 53 is provided inside the protective cover 50. A clamping groove 32 is provided at a set distance from the second gear 31 on the adjusting rod 30. The clamping plate 31 is inserted into the clamping groove 32. The clamping plate is semi-circular. One side of the clamping plate has a semi-circular hole. Further, a semi-circular hole is also provided at the corresponding position of the lamp housing. The semi-circular holes of the clamping plate and the lamp housing are clamped in the clamping groove of the adjusting rod to realize the positioning and installation of the adjusting rod.

[0052] As Figure 6 shown, the adjusting rod 30 is provided with an adjusting part 33. The adjusting part 33 is provided at the opposite end of the second gear 31. Specifically, the adjusting part is provided with a wrench hole. The adjusting rod is rotated by a wrench to achieve the purpose of adjusting the light. In this embodiment, the cross-section of the wrench hole is hexagonal. Of course, any shape that can achieve the function of rotating the adjusting rod can be used, such as a "cross" shape.

[0053] As Figure 9 、 12 、13 shown, a fourth mounting part 44 is provided inside the lamp housing 40. The rotating device 60 is connected to the lamp housing 40 through the fourth mounting part 44. Two corresponding fourth mounting parts are provided. The rotating unit 60 includes a rotating seat 61, a connecting piece 62 and a connecting rod 63. The rotating seat 61 is connected to the reflector 10 through the connecting piece 62. The connecting rod 63 is connected to the lamp housing 40. One end of the connecting rod 63 away from the lamp housing 40 has a spherical structure. The spherical structure is installed in the rotating seat 61. The rotating seat 61 can rotate around the spherical structure.

[0054] The upper end of the connecting rod (only referring to Figure 12The orientation in [the text] is a stud. The connecting rod is connected to the fourth mounting part of the lamp housing through the stud. The rotating seat is connected to the reflector through a connecting piece. The rotating seat has a cavity for accommodating the lower spherical structure of the connecting rod. The center line connecting the two spherical structures forms the rotation axis for the reflector to rotate. When the adjusting rod is rotated, the end of the reflector reciprocates around the rotation axis driven by the transmission rod to achieve the light adjustment of the vehicle lamp.

[0055] This application also provides a vehicle lamp, which includes the vehicle lamp light adjustment device mentioned above. Specifically, the vehicle lamp can be a headlamp, a fog lamp, etc.

[0056] The light adjustment method of the above light adjustment device:

[0057] The user rotates the adjusting rod, and the adjusting rod drives the transmission rod to rotate. Since the first rod and the second rod are parallel and offset, the end of the reflector rotates around the rotation axis formed by the center line connecting the two spherical structures, and finally the purpose of vehicle lamp light adjustment is achieved.

[0058] Although the specific implementation manner of this application is described in combination with the drawings above, it is not a limitation on the protection scope of this application. Those skilled in the art should understand that based on the technical solution of this application, various modifications or deformations that can be made by those skilled in the art without creative labor are still within the protection scope of this application.

Claims

1. A vehicle lamp dimming device, characterized in that, Comprising: A rearview mirror, with a first mounting portion provided at the rear end, and rotatably connected to the lamp housing through a rotating unit at a position having a set distance from the first mounting portion; A transmission rod, having a first buckle and a first gear, the first buckle being connected to the first mounting portion, and a first support rod, a transition section, and a second support rod being provided between the first buckle and the first gear, the first support rod and the second support rod being parallel and offset; An adjusting rod, having a second gear, the second gear meshing with the first gear; A protective cover is installed outside the lamp housing, a clamping plate is provided on the inner side of the protective cover, and a clamping groove is provided at a position on the adjusting rod at a set distance from the second gear, and the clamping plate is inserted into the clamping groove; The first mounting portion is provided with a first through hole, the opening length of the first through hole in the first direction is matched with the diameter of the first buckle, and the opening length of the first through hole in the second direction is greater than the movement length of the first buckle in the second direction when rotating; The first direction is perpendicular to the rotation axis of the rearview mirror, the second direction is perpendicular to the first direction, and the second direction is parallel to the rotation axis of the rearview mirror; By using the circular motion of the first buckle of the transmission rod, the end of the rearview mirror only makes a reciprocating movement perpendicular to the rotation axis direction and does not make a movement parallel to the rotation axis direction, realizing the light adjustment of the vehicle lamp. When adjusting the light, adjust in one direction until obtaining an angle that meets the user's expectation, or combine forward adjustment with reverse adjustment until reaching an angle that meets the user's expectation. The light adjustment is more convenient and fast, and both the transmission rod and the adjusting rod can rotate 360 degrees without damaging the light adjustment device.

2. The headlight dimming device according to claim 1, characterized in that, The front end of the first buckle is a cone, and the rear side of the cone is a cylinder. The maximum diameter of the cone is greater than the diameter of the cylinder, and an opening groove is provided radially on the first buckle.

3. The headlight dimming device according to claim 1, characterized in that A plurality of second buckles are provided on the periphery of the second support rod, and the transmission rod is connected to the lamp housing through the second buckles.

4. The headlight dimming device according to claim 1, characterized in that, A sealing groove is provided between the second support rod and the first gear, the lamp housing is provided with a second mounting hole, and a sealing ring is provided between the sealing groove and the second mounting hole.

5. The headlight dimming device according to claim 1, wherein, The adjusting rod is provided with an adjusting portion, and the adjusting portion is provided at the opposite end of the second gear.

6. The headlight dimming device according to claim 1, wherein, The rotating unit includes a rotating seat, a connecting member, and a connecting rod. The rotating seat is connected to the rearview mirror through the connecting member, the connecting rod is connected to the lamp housing, and the end of the connecting rod away from the lamp housing has a spherical structure, and the spherical structure is installed in the rotating seat, and the rotating seat can rotate around the spherical structure.

7. The dimming method of the dimming device according to any one of claims 1-6, characterized in that, Comprising: Rotating the adjusting rod, the adjusting rod drives the transmission rod to rotate. Since the first support rod and the second support rod are parallel and offset, the end of the rearview mirror rotates around the rotation axis formed by the center line of the two spherical structures, realizing the light adjustment of the vehicle lamp.

8. A vehicle lamp, characterized in that, Comprising the vehicle lamp light adjustment device according to any one of claims 1-6.

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