CN217584288U - Dimming mechanism, vehicle lighting device and vehicle - Google Patents

Abstract

The utility model relates to a car light adjusting device, in particular to a light adjusting mechanism, which comprises a first light adjusting gear (1), a second light adjusting gear set (2), an adjusting screw rod (3) and a rack (4), wherein the first light adjusting gear is matched with the second light adjusting gear set; the adjusting screw rod is provided with a thread structure and is in threaded connection with the dimming support (5), the dimming support is connected with the car lamp module, and the rear end of the adjusting screw rod is connected with the second dimming gear set (2) so as to drive the dimming support to move through the rotation of the adjusting screw rod when the second dimming gear set rotates and drive the car lamp module to rotate through the dimming support; the second dimming gear set is further meshed with the rack, the rack penetrates through the rack support (6) to drive the rack to move relative to the rack support when the second dimming gear set rotates, and the rack support are both provided with adjusting stroke indicating marks (7). Furthermore, the utility model discloses still relate to a vehicle lighting device and vehicle. The utility model discloses a mechanism of adjusting luminance is convenient for learn the angle of adjusting luminance.

Description

Dimming mechanism, vehicle lighting device and vehicle

Technical Field

The utility model relates to a car light adjusting device specifically, relates to a mechanism of adjusting luminance. Furthermore, the utility model discloses still relate to a vehicle lighting device and vehicle.

Background

According to the design specifications of the vehicle lamp, the low beam of the vehicle lamp should satisfy the condition of being adjustable in the horizontal direction and the vertical direction, and the high beam should satisfy the adjustment in the vertical direction.

In the existing car lamp, no matter in a reflector form or a module form, the function of manually adjusting the light of the car lamp is needed. This adjustment is made by inserting a screwdriver or similar tool between the lamp frame and the vehicle trim and turning the screw to change the orientation of the lamp and to achieve the desired adjustment as the vehicle design evolves and uses practice to provide optimum light and prevent the light beam from being directed toward oncoming traffic.

At present, the light of the car lamp is mostly adjusted by forming a light adjusting shaft through a ball nut and a ball screw, and the rotation is converted into translation through the rotation of the light adjusting screw, so that a reflector or a car lamp module is pushed to rotate around the light adjusting shaft, and the light is adjusted. However, the prior art has the following two situations: 1. no indication is given to the number of turns or degree of rotation of the dimming shaft, and a level meter is arranged in the vehicle lamp to read the position of light adjustment so as to obtain the dimming angle.

In view of the above, a light adjusting mechanism is needed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that the first aspect will be solved provides a mechanism of adjusting luminance, and it can conveniently indicate stroke or the angle of adjusting luminance.

Furthermore, the utility model discloses the problem that still remains to solve provides a vehicle lighting device, can realize the accurate regulation of light-emitting angle.

Further, the present invention provides a vehicle, wherein the vehicle lighting device can realize accurate adjustment of the light-emitting angle, thereby improving the driving safety.

In order to solve the above technical problem, a first aspect of the present invention provides a light adjusting mechanism, which includes a first light adjusting gear, a second light adjusting gear set, an adjusting screw, and a rack, wherein the first light adjusting gear is matched with the second light adjusting gear set to drive the second light adjusting gear set to rotate when the first light adjusting gear rotates; the adjusting screw rod is provided with a thread structure and is in threaded connection with a dimming support, the dimming support is connected with a car lamp module, and the rear end of the adjusting screw rod is connected with the second dimming gear set so as to drive the adjusting screw rod to rotate when the second dimming gear set rotates, so that the dimming support is driven to move and the car lamp module is driven to rotate by the dimming support; the second dimming gear set is further meshed with the rack, the rack is arranged on the rack support in a penetrating mode, the rack is driven to move relative to the rack support when the second dimming gear set rotates, and the rack support are provided with adjusting stroke indicating marks.

Specifically, the second dimming gear set includes a main gear and a sub-gear, the first dimming gear is engaged with the main gear and is formed as a bevel gear pair, and the rack is engaged with the sub-gear.

Preferably, a gear ratio of the first dimming gear and the main gear is greater than 1.

Specifically, the main gear and the secondary gear are fixedly connected to form a coaxial gear set.

Preferably, the diameter of the primary gear is larger than the diameter of the secondary gear.

Further preferably, an adjusting tool matching structure is arranged on the first dimming gear, so that the adjusting tool is matched with the adjusting tool through the adjusting tool matching structure, and the adjusting tool drives the first dimming gear to rotate.

Further preferably, the stroke adjusting indication mark comprises a scale mark and an indication mark, the scale mark is arranged on the rack bracket, and the indication mark is arranged on the rack; or the scale mark is arranged on the rack, and the indication mark is arranged on the rack bracket.

Further, the second aspect of the present invention provides a vehicle lighting device, which includes a lamp module and a light-adjusting mechanism according to any one of the above technical solutions.

Further, the third aspect of the present invention provides a vehicle, including the vehicle lighting device in the above technical solution.

According to the above technical scheme, the utility model provides an among the dimming mechanism that the utility model provides an in, this dimming mechanism is through first dimming gear, dimming gear group and adjusting screw have constituteed dimming mechanism's main part, the master gear meshing among first dimming gear and the second dimming gear group, the second dimming gear group is connected with adjusting screw so can drive second dimming gear group and adjusting screw rotation in order through rotating first dimming gear, adjusting screw is equipped with the helicitic texture with dimming leg joint, adjusting screw and dimming leg threaded connection, thereby can pass through adjusting screw's rotation, drive the removal of dimming support, and then can realize the rotation of the car light module group that is connected with dimming support, thereby realize going out the regulation of light angle, and the pinion in the second dimming gear group meshes with the rack, can drive the rack through the rotation of second dimming gear group and move on rack support in the in-process of adjusting light, and all be equipped with regulation stroke indication mark on rack and rack support, thereby can instruct the operating personnel to obtain the regulating variable that goes out light angle through the regulation stroke, with can not receiving under the influence of vehicle self gesture, realize the accuracy of the angle of adjusting light.

The utility model discloses the vehicle lighting device that the second aspect provided, because it has foretell dimming mechanism, so it also can not be under the influence of vehicle self gesture, realizes the accurate regulation of light-emitting angle.

The utility model discloses the vehicle that the third aspect provided, because it has foretell vehicle lighting device, so it can not directly shine opposite pedestrian and vehicle under the prerequisite of assurance illumination zone to can improve driving safety nature.

Further advantages of the invention, as well as the technical effects of preferred embodiments, will be further explained in the following detailed description.

Drawings

Fig. 1 is a schematic front view of an embodiment of a dimming mechanism of the present invention;

fig. 2 is a schematic side view of a dimming mechanism according to an embodiment of the present invention;

fig. 3 is a schematic view of an adjusting tool fitting structure in the light adjusting mechanism of the present invention;

fig. 4 is a schematic structural diagram of the first dimming gear of the dimming mechanism of the present invention cooperating with the main gear;

fig. 5 is a schematic structural view of the auxiliary gear and rack in the light adjusting mechanism of the present invention.

Description of the reference numerals

1-first light adjusting gear 11-adjusting tool matching structure

2-second dimming gear set 21-main gear

22-pinion 3-adjusting screw

4-rack 5-dimming support

6-rack support 7-adjusting travel indicator

71-Scale marks 72-indicator marks

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

First, the following directional terms are taken as a vehicle reference system after the light control mechanism is mounted on the vehicle, and the front-rear direction is the vehicle length direction, the left-right direction is the vehicle width direction, and the up-down direction is the vehicle height direction.

As shown in fig. 1 and 2, as an embodiment of the light adjusting mechanism provided by the first aspect of the present invention, the light adjusting mechanism includes a first light adjusting gear 1, a second light adjusting gear set 2, an adjusting screw 3 and a rack 4, the first light adjusting gear 1 cooperates with the second light adjusting gear set 2 to drive the second light adjusting gear set 2 to rotate when the first light adjusting gear 1 rotates; the adjusting screw 3 is provided with a thread structure and is matched with the dimming support 5 through the thread structure, the dimming support 5 is connected with the car lamp module, specifically, the dimming support 5 is connected with the car lamp module through a ball head, the car lamp module can be driven to rotate around a rotating shaft by the back-and-forth movement of the dimming support 5, the rear end of the adjusting screw 3 is connected with the second dimming gear set 2, so that when the second dimming gear set 2 rotates, the adjusting screw 3 is driven to rotate, the dimming support 5 is driven to move, the car lamp module is driven to rotate through the dimming support 5, and the light emitting angle is adjusted; the second dimming gear set 2 is matched with the rack 4, the rack 4 is arranged on the rack support 6 in a penetrating mode and fixed on the lamp body, the rack 44 is driven to move relative to the rack support 6 when the second dimming gear set 2 rotates, the rack 4 and the rack support 6 are provided with adjusting stroke indicating marks 7, and when the rack 4 moves relative to the rack support 6, the increment of adjusting the light emitting angle of the vehicle lamp module is obtained through the adjusting stroke indicating marks 7 arranged on the rack 4 and the rack support 7.

The utility model discloses a dimming mechanism, through first dimming gear 1, dimming mechanism's main part has been constituteed to second dimming gear group 2 and adjusting screw 3, first dimming gear 1 coordinates with second dimming gear group 2, second dimming gear group 2 is connected with adjusting screw 3, thereby can rotate first dimming gear 1's rotation, drive second dimming gear group 2 and adjusting screw 3 rotation in order, adjusting screw 3 is equipped with the helicitic texture with dimming support 5 junction, adjusting screw 3 and dimming support threaded connection, thereby can be through adjusting screw 3's rotation, it removes to drive dimming support 5, and then can realize the rotation of the car light module group that is connected with dimming support 5, thereby realize the regulation of light-emitting angle, and second dimming gear group 2 meshes with rack 4, can drive rack 4 through the rotation of second dimming gear group 2 at the in-process of adjusting luminance and move or rotate on rack support 6, and all be equipped with regulation stroke indication mark 7 on rack 4 and rack support 6, thereby can make things convenient for operating personnel to acquire the regulating variable quantity of light-emitting angle through regulation stroke indication mark 7, with can not influenced by self, realize the accurate regulation of light-emitting angle under the gesture of light-adjusting stroke indication mark 7.

Further, in an embodiment of the dimming mechanism provided by the present invention, as shown in fig. 1, the second dimming gear set 2 includes a main gear 21 and a sub-gear 22, wherein, as shown in fig. 4, the first dimming gear 1 is engaged with the main gear 21 and formed as a bevel gear pair. Because the dimming mechanism drives the first dimming gear 1 to rotate through the adjusting tool, so as to drive the main gear 21 to rotate through the rotation of the dimming gear 1, and further drive the adjusting screw 3 to rotate to realize dimming, therefore, the first dimming gear 1 and the main gear 21 are arranged to be a bevel gear pair, which can play a role of reversing, namely, the operation direction of rotating the first dimming gear 1 during dimming can be different from the axial direction of the adjusting screw 3, so that the size of the vehicle lamp in the front and back direction can be smaller, which is beneficial to realizing the structure compactness of the vehicle lighting device, and the overall vehicle lighting device is miniaturized, and the first dimming gear 1 and the main gear 21 are arranged to be the bevel gear pair, which can make the installation position of the first dimming gear 1 have more possibilities, and is more convenient for adjusting the installation position of the first dimming gear 1 according to the internal structure of the vehicle lighting device or the size of the gap between the vehicle lighting device and other components, thereby facilitating the dimming operation.

Further, in an embodiment of the present invention, the transmission ratio of the first dimming gear 1 and the main gear 21 is greater than 1, for example, the transmission ratio of the first dimming gear 1 and the main gear 21 can be set to 2, that is, the first dimming gear 1 rotates twice corresponding to one rotation of the main gear 21, so that the first dimming gear 1 and the main gear 21 form a speed reduction gear set, and the adjusting screw rod 3 is fixedly connected with the main gear 21 and rotates synchronously therewith, so as to enable the number of rotation (angle) of the first dimming gear 1 corresponding to one rotation (360 °) of the adjusting screw rod 3 to be greater, thereby achieving the purpose of improving the adjustment accuracy.

Further, in an embodiment of the present invention, the main gear 21 and the sub-gear 22 are fixedly connected to form a coaxial gear set, and the transmission ratio of the main gear 21 and the sub-gear 22 is 1. Preferably, the adjusting screw 3 is fixedly connected to the main gear 21 to achieve connection with the second dimming gear set 2, and the main gear 21 is fixedly connected to the sub-gear 22, so that the sub-gear 22 and the adjusting screw 3 can rotate synchronously under the driving of the main gear 21, the sub-gear 22 can transmit the rotation condition of the adjusting screw 3 without loss, and finally the rotation condition (rotation angle) of the adjusting screw 3 is converted into the movement amount or rotation amount of the rack 4 through the engagement between the sub-gear 22 and the rack 4, so that the movement amount or rotation amount of the rack 4 can be obtained through the rack 4 and the adjusting stroke indication mark 7 on the rack support 6. Through drive ratio and the pitch of helicitic texture on adjusting screw 3, calculate the amount of movement of adjusting light support 5, and finally according to the amount of movement of adjusting light support 5, calculate the amount of movement of car light module, obtain the change volume of angle of light-emitting, specifically, the number of turns of adjusting screw 3 is R, adjusting screw 3' S thread pitch is P, the number of turns of gear 1 is G, adjust light support 5 displacement is T, adjust luminance the axial length (the distance of bulb centre of sphere to car light module axis of rotation) is H, adjust luminance the angle and be alpha, the number of teeth of gear 21 is A, reference circle diameter D, the number of teeth of gear 1 is E, rack 4 displacement S, wherein:

Tanα＝T/H

T/P＝R

G＝A÷E×R

S＝πD×R

then:

Tanα＝P×G×E÷A÷H

s = pi D × T ÷ P = pi D × Tan α × H ÷ P. As can be seen from the above, the amount of change in the light-emitting angle is directly reflected by the amount of movement or rotation of the rack 4. Therefore, the design that the main gear 21 and the pinion 22 rotate synchronously with the adjusting screw 3 can ensure the accuracy of the obtained light-emitting angle variation.

Further, in an embodiment of the dimming mechanism provided by the present invention, the diameter of the main gear 21 is larger than that of the pinion gear 22, and on one hand, the design is to reduce the size of the pinion gear 22, so as to reduce the overall size of the vehicle lighting device; on the other hand, since the pinion gear 22 is small in size, the rack 4 and the rack holder 6 can be reduced in size accordingly to facilitate the mounting of the pinion gear 22 and the rack 4 and the rack holder 6, and the overall size of the vehicle lighting device can be reduced.

Further, in an embodiment of the dimming mechanism provided by the present invention, as shown in fig. 2 and 5, the rack 4 is engaged with the pinion 22, so as to ensure that a component force in the axial direction of the adjusting screw 3 is not generated between the rack 4 and the pinion 22 when the rack 4 rotates, that is, in the process that the pinion 22 drives the rack 4 to rotate, a force in the axial direction of the adjusting screw 3 is not applied to the adjusting screw 3, and the dimming bracket 5 is prevented from generating an additional movement in the axial direction of the adjusting screw 3, so as to ensure the accuracy of dimming; specifically, as shown in fig. 1, the rack 4 may be a straight rack having a tooth root in the same plane so as to be capable of translating left and right under the driving of the pinion 22, or the rack 4 may be a curved rack having a tooth root in a curved surface so as to form an inner gear pair with the pinion 22, so that the size of the rack 4 can be reduced, and the arrangement is convenient.

Further, in an embodiment of the dimming mechanism provided by the present invention, as shown in fig. 1, the adjustment stroke indication mark 7 includes a scale mark 71 and an indication mark 72, wherein the scale mark 71 may be a scale or a continuous color block, and the indication mark 72 may be an arrow, specifically, the scale mark 71 may be disposed on the rack support 6, and the indication mark 72 is disposed on the rack 4; or, the scale mark 71 is arranged on the rack 4, the indication mark 72 is arranged on the rack support 6, and both the scale mark 71 and the indication mark 72 are preferably arranged on the rack 4 or the rack support 6 in an etching manner, compared with the way that the adjustment stroke indication mark 7 is arranged on the rack 4 or the rack support 6 in a sticking manner, the etching manner can ensure that the adjustment stroke indication mark 7 is not influenced by high temperature when the vehicle lighting device works and can be retained for a long time; more specifically, taking the scale as shown in fig. 1 as an example, the position pointed by the arrow of the indication mark 72 at the standard light-emitting angle when the vehicle leaves the factory can be marked as a zero scale, moving the arrow of the indication mark 72 to the right of the zero scale can indicate that the light-emitting angle is adjusted upward/rightward, moving the arrow of the indication mark 72 to the left of the zero scale can indicate that the light-emitting angle is adjusted downward/leftward, and when the light-emitting angle changes by a certain angle, for example, every 0.1 degree, a scale can be set, and the adjustment direction can be indicated by a positive sign and a negative sign on the scale, for example, a positive value indicates that the light-emitting angle is adjusted upward, a negative value indicates that the light-emitting direction is adjusted downward, or a positive value indicates that the light-emitting angle is adjusted rightward, and a negative value indicates that the light-emitting direction is adjusted leftward, or a text arrow mark indicating the adjustment direction is directly engraved on the scale mark 71, so as to facilitate adjustment of the light-emitting light in an accurate direction.

Further, in an embodiment of the light adjusting mechanism provided by the present invention, as shown in fig. 3, an adjusting tool matching structure 11 is disposed on the first light adjusting gear 1 to match with the adjusting tool via the adjusting tool matching structure 11, specifically, the adjusting tool can be a flat opening, a cross, an inner hexagonal plate, etc., and the adjusting tool matching structure can be correspondingly set to be a straight groove, a cross groove, or a hexagonal prism groove, etc.

As shown in fig. 1, as an embodiment of the vehicle lighting device provided by the second aspect of the present invention, the vehicle lighting device includes the vehicle lamp module and the dimming mechanism in any one of the above technical solutions, because the dimming mechanism can drive the vehicle lamp module to rotate, and can obtain the rotation angle of the vehicle lamp module through the adjustment stroke indication mark 7 disposed on the rack 4 and the rack support 6 in the dimming mechanism, and when the vehicle is on the horizontal plane and at the standard light-emitting angle on the adjustment stroke indication mark 7, the arrow point of the indication mark 72 is marked as a zero line, therefore, the vehicle lighting device can facilitate the vehicle to calibrate or adjust the light-emitting angle in any posture, and the accuracy of the adjustment is high.

Further, as the utility model provides an embodiment of vehicle, this vehicle includes foretell vehicle lighting device, because foretell vehicle lighting device can realize the accurate regulation of vehicle light-emitting angle under arbitrary gesture, consequently, can guarantee when going night, opposite vehicle or pedestrian can not be penetrated directly to light, causes the glare or blinding, consequently can greatly improve the security of driving night.

The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. In the technical idea scope of the present invention, it is possible to provide the technical solution of the present invention with a plurality of simple modifications, including combining each specific technical feature in any suitable manner, and in order to avoid unnecessary repetition, the present invention does not provide additional description for various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.

Claims (9)

1. A dimming mechanism is characterized by comprising a first dimming gear (1), a second dimming gear set (2), an adjusting screw rod (3) and a rack (4), wherein the first dimming gear (1) is matched with the second dimming gear set (2) so as to drive the second dimming gear set (2) to rotate when the first dimming gear (1) rotates; the adjusting screw rod (3) is provided with a thread structure and is in threaded connection with the dimming support (5), the dimming support (5) is connected with the car lamp module, and the rear end of the adjusting screw rod (3) is connected with the second dimming gear set (2) so as to drive the adjusting screw rod (3) to rotate when the second dimming gear set (2) rotates, so that the dimming support (5) is driven to move, and the car lamp module is driven to rotate by the dimming support (5); the second dimming gear set (2) is further meshed with the rack (4), the rack (4) is arranged on the rack support (6) in a penetrating mode, so that the second dimming gear set (2) drives the rack (4) to move relative to the rack support (6), and the rack (4) and the rack support (6) are provided with adjusting stroke indicating marks (7).

2. The dimming mechanism according to claim 1, wherein the second dimming gear set (2) comprises a main gear (21) and a sub-gear (22), the first dimming gear (1) is engaged with the main gear (21) and formed as a bevel gear pair, and the rack (4) is engaged with the sub-gear (22).

3. The dimming mechanism according to claim 2, wherein the gear ratio of the first dimming gear (1) and the main gear (21) is larger than 1.

4. A dimmer mechanism as claimed in claim 2, wherein the main gear (21) is fixedly connected to the secondary gear (22) in the form of a coaxial gear set.

5. A dimmer mechanism as claimed in claim 2, wherein the diameter of the main gear (21) is greater than the diameter of the secondary gear (22).

6. The dimming mechanism according to claim 1, wherein the first dimming gear (1) is provided with an adjusting tool engaging structure (11) for engaging with an adjusting tool via the adjusting tool engaging structure (11) to make the adjusting tool rotate the first dimming gear (1).

7. Dimming mechanism according to any of claims 1 to 6, characterized in that the adjustment travel indication mark (7) comprises a scale mark (71) and an indication mark (72), the scale mark (71) being provided on the rack support (6) and the indication mark (72) being provided on the rack (4); or the scale mark (71) is arranged on the rack (4), and the indicating mark (72) is arranged on the rack bracket (6).

8. A vehicular illumination device characterized by comprising a lamp module and the dimming mechanism according to any one of claims 1 to 7.

9. A vehicle characterized by comprising the vehicle lighting device according to claim 8.

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