CN114030413B - High beam and low beam switching mechanism for electric vehicle headlamp - Google Patents
High beam and low beam switching mechanism for electric vehicle headlamp Download PDFInfo
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- CN114030413B CN114030413B CN202111537074.5A CN202111537074A CN114030413B CN 114030413 B CN114030413 B CN 114030413B CN 202111537074 A CN202111537074 A CN 202111537074A CN 114030413 B CN114030413 B CN 114030413B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/14—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
- B60Q1/1438—Actuating means for dimming masks or screens
Abstract
The invention relates to the technical field of electric vehicle headlamps, and discloses a far and near light switching mechanism of an electric vehicle headlamp, which comprises a headlamp and a light screen arranged on a lampshade of the headlamp, wherein the light screen is arranged on the headlamp; the headlamp comprises a box body arranged on one side of a headlamp, wherein an air channel is arranged in the box body, a wind power driving mechanism capable of providing a power source is arranged in the air channel, a transmission mechanism for connecting the wind power driving mechanism and a light screen is also arranged in the box body, and plugging mechanisms capable of plugging air ports are arranged at air ports at two ends of the air channel and are controlled to close the air channel through adjusting knobs arranged on the box body; the device comprises a limit box arranged between a light screen and a transmission mechanism, and can limit the movement of the light screen. The invention is improved on the basis of the existing electric vehicle headlamp, the headlamp with the far and near light switching mechanism is replaced, the driving safety is improved during driving, the electric vehicle does not need to be modified in a complex way, the installation is more convenient, and the electric vehicle headlamp is driven by wind energy during use, thereby being energy-saving and environment-friendly.
Description
Technical Field
The invention relates to the technical field of electric vehicle headlamps, in particular to a high beam and low beam switching mechanism of an electric vehicle headlamp.
Background
Electric vehicles, i.e. electrically driven vehicles, are classified into ac electric vehicles and dc electric vehicles, and generally speaking, electric vehicles use batteries as energy sources. With the improvement of living standard of people, the electric vehicle has become a main vehicle for daily trips of people.
Along with the development of LED lamp technique, the LED headlight that the luminous intensity is stronger is adopted mostly to current electric motor car headlight, though it shines farther, but when driving at night especially when the meeting, can cause the light influence to the pedestrian of subtend, and present electric motor car does not generally have far and near light alternating light design, consequently, the electric motor car rides the in-process easily because of the light problem, directly influences the safety that other people drove a vehicle.
Therefore, a high beam and low beam switching mechanism of an electric vehicle headlamp is provided to solve the above problems.
Disclosure of Invention
The invention provides a high beam and low beam switching mechanism of an electric vehicle headlamp, which is upgraded on the basis of the existing electric vehicle headlamp, and the upper switching mechanism is arranged on a lampshade of an original large lamp, so that the driving safety is improved during driving, the headlamp is not required to be upgraded and replaced for the electric vehicle, the cost is saved, the installation is more convenient, and the electric vehicle headlamp is driven by wind energy during use, thereby being energy-saving and environment-friendly.
A high beam and low beam switching mechanism for electric vehicle headlight comprises
The executing part comprises a headlamp and a shading plate which is arranged on a headlamp lampshade and can cover lamplight, a connecting piece is arranged at the joint of the shading plate and the headlamp lampshade, one side of the connecting piece is fixedly connected with the headlamp lampshade through a screw, and the other side of the connecting piece is rotatably connected with the shading plate;
a driving part including a driving box;
the driving box comprises a box body arranged on one side of the headlamp, an air duct is arranged in the box body, a wind power driving mechanism capable of providing a power source is arranged in the air duct, a transmission mechanism capable of driving and connecting the wind power driving mechanism and the light screen is further arranged in the box body, and blocking mechanisms capable of blocking air ports are arranged at air ports at two ends of the air duct;
the two plugging mechanisms respectively comprise a plurality of grids which are sequentially arranged at two ends of the air duct side by side, and the center of each grid is rotationally connected with the box body through a rotating shaft;
the adjusting part comprises an adjusting knob arranged on the box body and an adjusting mechanism which is connected with the adjusting knob and can control the plugging mechanism to close the air channel;
the adjusting mechanism comprises a first gear connected with the adjusting knob, an inner gear ring in meshed connection with the first gear, a second gear coaxially and fixedly connected with the inner gear ring, a third gear sequentially arranged on each rotating shaft and a toothed plate capable of linking the second gear and the third gear in a linkage manner, and teeth in meshed connection with the second gear and the third gear are uniformly arranged on two sides of the toothed plate;
the limiting part comprises a limiting box arranged between the light screen and the transmission mechanism, and a limiting mechanism capable of limiting the movement of the light screen is arranged in the limiting box;
the limiting mechanism comprises a control shaft sleeved on the second transmission shaft, a U-shaped limiting block arranged in the limiting box and connected with the control shaft in a rotating mode, and a stopping block arranged on the control shaft and movably connected with the U-shaped limiting block, the control shaft is fixedly connected with the light screen, the control shaft is in linkage connection with the second transmission shaft through an intermittent control mechanism, a torsion spring capable of enabling the control shaft to reset is arranged between the control shaft and the box wall of the limiting box, and an angle adjusting mechanism capable of adjusting a limiting angle is arranged at the upper end, located at one side of the limiting box, of the U-shaped limiting block;
preferably, the wind power driving mechanism comprises a driving shaft arranged in the wind channel and fan blades arranged on the driving shaft and capable of driving the driving shaft to rotate.
Preferably, the transmission mechanism comprises a first transmission shaft arranged in parallel with the driving shaft, a driving gear arranged on the driving shaft, a driven gear meshed with the driving gear, a first bevel gear coaxially arranged with the driven gear, a second bevel gear meshed with the first bevel gear, and a second transmission shaft coaxially connected with the second bevel gear and capable of driving the light shielding plate to rotate, wherein the driven gear and the first bevel gear are both mounted on the first transmission shaft, and the second transmission shaft is rotatably connected with the inner wall of the air duct.
Preferably, the rotation range of the rotating shaft is 0 to 90 degrees.
Preferably, the intermittent control mechanism comprises a first deep groove arranged on a second transmission shaft, a second deep groove arranged on the inner wall of the control shaft and consistent with the first deep groove, a sliding block capable of sliding in the first deep groove and the second deep groove in a reciprocating manner, a spring arranged in the first deep groove and connected with the sliding block, and a sliding groove arranged on the inner wall of the control shaft and used for guiding the sliding block, wherein one end, close to the second deep groove, of the sliding block is arranged to be in a wedge-shaped structure, and the end, close to the second deep groove, of the sliding block, of the wedge-shaped structure is in sliding connection with the sliding groove.
Preferably, the angle adjusting mechanism comprises a plurality of cushion blocks which are longitudinally arranged side by side and movably connected with the U-shaped limiting block on one side of the limiting box, and a control rod capable of controlling the cushion blocks to move is arranged at one end, far away from the U-shaped limiting block, of each cushion block.
Compared with the prior art, the invention has the beneficial effects that:
(1) The lamp shade of headlight is arranged to be capable of rotating on the lamp shade, the control light screen is utilized to rotate on the lamp shade of the headlight to shield the headlight in a range, so that the light can be switched from far to near or from near to far in a reciprocating mode, the far and near light of the headlight can be switched, the headlight does not need to be dismounted to replace the whole headlight, time and labor are saved, the cost is low, resource waste is avoided, and the lamp shade is convenient to popularize and install.
(2) The driving box is arranged on one side of the headlamp, the wind power driving mechanism is arranged in the air channel in the driving box to provide a power source, the light screen is driven to move on the lampshade through the transmission of the transmission mechanism, the generated wind current drives the fan blades to rotate and drives the light screen to rotate on the lampshade of the headlamp through mechanical transmission during driving, the design of a mechanical structure is adopted, and the wind power driving during driving is relied on, so that the intervention of electric vehicle energy is not needed.
(3) The air inlet at two ends of the air duct is provided with the plugging mechanism capable of plugging the air inlet, and the opening and closing of the plugging mechanism are controlled by the adjusting mechanism, so that the air inflow of the air duct is regulated, the rotation speed of the internal wind driving mechanism is regulated and controlled by adjusting the air flow, the power of the power source is controlled, the motion frequency of the light screen is further controlled, and the regulation and control of the far and near light switching frequency are realized.
(4) Through arranging spacing case between light screen and drive case, it can carry out spacing stop gear to the swivelling movement of light screen to arrange in the spacing case, it is spacing to the rotatory angle of light screen, avoid the light screen rotation to the cover of whole headlight, and arrange intermittent control mechanism between control shaft and transmission shaft two, the rotation that transmission shaft two continues can not drive the control shaft and continue to rotate after stop to the rotation of light screen at stop gear, the control shaft loses the control of transmission shaft two and resets under the effect of torsional spring and drive light screen reverse movement, thereby reciprocal removal of realization light screen reciprocates so.
(5) Through arranging angle adjustment mechanism on the spacing box, through increase and decrease cushion, the control is prevented stopping a displacement distance, realizes controlling the angle of the reciprocal rotation of control shaft, realizes the regulation to the stroke scope of light screen to adjust the illumination intensity under the short-distance beam condition, adjust the illumination intensity under the short-distance beam state according to the difference that uses the road conditions, improve the convenience that the car used under the different road conditions.
Drawings
FIG. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a second schematic structural view of the present invention;
FIG. 3 is a schematic view of the internal structure of the driving box of the present invention;
FIG. 4 is a schematic view of the adjusting mechanism of the present invention;
FIG. 5 is a schematic view of the internal structure of the spacing box of the present invention;
FIG. 6 is an enlarged view taken at A in FIG. 5;
FIG. 7 is a schematic internal view of the front view of FIG. 5;
FIG. 8 is a top view of FIG. 5 (with the housing transparent);
fig. 9 is a schematic structural view of the connector of the present invention.
Detailed Description
An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment.
As shown in fig. 1-9, a high beam and low beam switching mechanism for a headlamp of an electric vehicle comprises
The executing part comprises a headlamp 1 and a light shielding plate 2 which is arranged on a headlamp cover and can cover light, a connecting piece 101 is arranged at the joint of the light shielding plate 2 and the lampshade of the headlamp 1, one side of the connecting piece 101 is fixedly connected with the lampshade of the headlamp 1 through a screw, the other side of the connecting piece 101 is rotatably connected with the light shielding plate 2, the light shielding plate 2 is installed on the headlamp 1 through the connecting piece 101, the connecting piece 101 is firstly fixed to the two sides of the headlamp 1 through the screw during installation, then the light shielding plate 2 is installed, and the light shielding irradiation range of the headlamp 1 is shielded by controlling the rotation of the light shielding plate 2 on the connecting piece 101, so that the reciprocating switching of the light from far to near or from near to far is realized;
the driving part comprises a driving box 3, and the shading plate 2 is controlled by the driving box 3 to rotate on the lampshade of the headlamp 1 in a reciprocating way;
the driving box 3 comprises a box body 4 arranged on one side of the headlamp 1, an air duct 5 is arranged in the box body 4, and a wind power driving mechanism capable of providing a power source is arranged in the air duct 5, specifically, as shown in fig. 1-3, the wind power driving mechanism comprises a driving shaft 8 arranged in the air duct 5 and fan blades 9 arranged on the driving shaft 8 and capable of driving the driving shaft 8 to rotate, and in the riding process, airflow enters the air duct 5 and drives the fan blades 9 to drive the driving shaft 8 to rotate.
The box body 4 is further internally provided with a transmission mechanism capable of driving and connecting the wind power driving mechanism with the light shielding plate 2, specifically, as shown in fig. 1-3, the transmission mechanism comprises a first transmission shaft 10 arranged in parallel with the driving shaft 8, a driving gear 11 arranged on the driving shaft 8, a driven gear 12 meshed with the driving gear 11, a first bevel gear 13 arranged coaxially with the driven gear 12, a second bevel gear 14 meshed with the first bevel gear 13, and a second transmission shaft 15 coaxially connected with the second bevel gear 14 and capable of driving the light shielding plate 2 to rotate, the driven gear 12 and the first bevel gear 13 are both mounted on the first transmission shaft 10, the second transmission shaft 15 is rotatably connected with the inner wall of the air duct 5, air flows into the air duct 5 to drive the fan blades 9 to rotate the driving shaft 8, the driving gear 11 is driven by the driving gear 12 to rotate the first transmission shaft 10 under the driving of the driving shaft 8, the second bevel gear 14 is driven by the driving the first bevel gear 13 arranged coaxially with the driving shaft to rotate, the second transmission shaft 15 is driven by the rotation of the second transmission shaft, and the transmission mechanism is arranged to rotate the headlight 2 on the light shielding plate 1 without using a mechanical energy source, and the electric vehicle.
The air outlets at the two ends of the air duct 5 are respectively provided with a plugging mechanism capable of plugging the air outlets; specifically, as shown in fig. 1 to 4, each of the two blocking mechanisms includes a plurality of grids 16 sequentially arranged at two ends of the air duct 5 side by side, the center of each grid 16 is rotatably connected to the box 4 through a rotating shaft 17, specifically, the rotating range of the rotating shaft 17 is 0 to 90 degrees, the air duct 5 is opened or closed by controlling the rotation of the grids 16, when all the grids 16 and the air inlets of the air duct 5 are in the same horizontal line, the air duct is closed, the operation of the wind power driving mechanism is suspended, and when the grids 16 and the air inlets of the air duct 5 are in a vertical angle, the air intake amount of the air duct 5 reaches a maximum value, and at this time, the wind power driving mechanism reaches a maximum operating frequency, so that the operating state of the wind power driving mechanism can be controlled through the arrangement of the blocking mechanisms, thereby facilitating the control of the light shielding plate 2 to rotate on the lampshade of the headlamp 1.
The adjusting part comprises an adjusting knob 6 arranged on the box body 4 and an adjusting mechanism which is connected with the adjusting knob 6 and can control the plugging mechanism to close the air duct 5; specifically, as shown in fig. 4, the adjusting mechanism includes a first gear 18 connected to the adjusting knob 6, an inner gear ring 19 meshed with the first gear 18, a second gear 20 coaxially and fixedly connected to the inner gear ring 19, a third gear 21 sequentially arranged on each rotating shaft 17, and a toothed plate 22 capable of linking the second gear 20 and the third gear 21, wherein teeth meshed with the second gear 20 and the third gear 21 are disposed on both sides of the toothed plate 22, the adjusting knob 6 is controlled to drive the first gear 18 to rotate so as to drive the inner gear ring 19 to rotate, the rotation of the inner gear ring 19 drives the second gear 20 to rotate, the rotation of the second gear 20 drives the toothed plates 22 on both sides to synchronously and reversely move, and the movement of the toothed plate 22 drives the third gear 21 meshed therewith to synchronously rotate, so that the rotating shaft 17 rotates to drive the grid 16 to rotate.
A limiting part, including a limiting box 7 arranged between the light screen 2 and the transmission mechanism, a limiting mechanism capable of limiting the movement of the light screen 2 is arranged in the limiting box 7, specifically, as shown in fig. 5-8, the limiting mechanism includes a control shaft 23 sleeved on the second transmission shaft 15, a U-shaped limiting block 24 arranged in the limiting box 7 and rotatably connected with the control shaft 23, and a stopping block 25 arranged on the control shaft 23 and movably connected with the U-shaped limiting block 24, the control shaft 23 is fixedly connected with the light screen 2, the control shaft 23 drives the stopping block 25 to rotate when rotating, when the stopping block 25 contacts with the U-shaped limiting block 24, the stopping block 25 is blocked by the U-shaped limiting block 24 to stop the rotation of the control shaft 23, the control shaft 23 is linked with the second transmission shaft 15 through an intermittent control mechanism, specifically, the intermittent control mechanism comprises a first deep groove 27 arranged on a second transmission shaft 15, a second deep groove 28 arranged on the inner wall of the second transmission shaft 23 and consistent with the first deep groove 27, a slide block 29 capable of sliding in the first deep groove 27 and the second deep groove 28 in a reciprocating manner, a spring 30 arranged in the first deep groove 27 and connected with the slide block 29, and a sliding groove 33 arranged on the inner wall of the control shaft 23 and used for guiding the slide block 29, wherein one end, close to the second deep groove 28, of the slide block 29 is arranged into a wedge-shaped structure, the wedge-shaped structure end of the slide block 29 is connected with the sliding groove 33 in a sliding manner, when the slide block 29 penetrates into the second deep groove 28, the second transmission shaft 15 drives the control shaft 23 to rotate through the friction force between the slide block 29 and the second deep groove 28 during rotation, when the control shaft 23 rotates until the stop block 25 is contacted with the U-shaped stop block 24, the rotation of the control shaft 23 is stopped, while the second transmission shaft 15 is still rotating, the slide block 29 is driven to slide out of the second deep groove 28 and move towards the first deep groove 27 to compress the spring 30, at this time, the control shaft 23 stops rotating and the second transmission shaft 15 inside rotates, so that the rotation of the second transmission shaft 15 drives the wedge-shaped end of the sliding block 29 to slide in the sliding slot 33.
A torsion spring 26 capable of resetting the control shaft 23 is arranged between the control shaft 23 and the wall of the limiting box 7, the control shaft 23 loses rotation control force after being stopped, the torsion spring 26 resets the control shaft 23, the rotation direction of the control shaft 23 is opposite to that of the second transmission shaft 15 during resetting, the control shaft 23 drives the light screen 2 to reset so as to form reciprocating rotation to cover the light of the headlamp 1, and an angle adjusting mechanism capable of adjusting a limiting angle is arranged at the upper end, located at the U-shaped limiting block 24, of one side of the limiting box 7.
Particularly, as shown in fig. 8, angle adjustment mechanism includes a plurality of side by side longitudinal arrangement in spacing case 7 one side and U type stopper 24 swing joint's cushion 31, the one end that U type stopper 24 was kept away from to cushion 31 has arranged the control lever 32 that can control cushion 31 and remove, heighten U type stopper 24's height through push control lever 32, thereby through increase and decrease cushion 31, the control is stopped the piece 25 displacement distance, realize controlling the angle of the reciprocal rotation of control shaft 23, realize the regulation to the stroke scope of light screen 2, thereby adjust the illumination intensity under the low beam condition, adjust the illumination intensity under the low beam state according to the difference of using the road conditions, improve the convenience of driving use.
When the headlamp is used, the original headlamp does not need to be disassembled and replaced, the connecting piece 101 is fixed to two sides of the lampshade of the headlamp 1 by using screws, then the light screen 2 matched with the size of the headlamp is arranged, and the light screen 2 can be designed into various sizes according to the size of the lampshade of the headlamp of the electric vehicle on the market; the light shielding plate 2 is controlled to rotate on the connecting piece 101 to shield the irradiation range of the headlamp 1, so that the reciprocating switching of the light from far to near or from near to far is realized, when the light shielding plate shields the light of the headlamp to slightly adjust the low beam, the height of the U-shaped limiting block 24 is increased by pushing the control rod 32, the displacement distance of the stopping block 25 is controlled by increasing or decreasing the cushion block 31, and the illumination intensity under the low beam condition is adjusted;
when the movement frequency of the light screen 2 is adjusted, the adjusting knob 6 is controlled to drive the first gear 18 to rotate so as to drive the inner gear ring 19 to rotate, the rotation of the inner gear ring 19 drives the second gear 20 to rotate, the rotation of the second gear 20 drives the toothed plates 22 on two sides to synchronously and reversely move, the movement of the toothed plates 22 can drive the third gear 21 meshed with the toothed plates to synchronously rotate, so that the rotating shaft 17 rotates to drive the grids 16 to rotate, when all the grids 16 and the air outlets of the air duct 5 are positioned on the same horizontal line, the air duct is closed, the wind power driving mechanism stops running, when the grids 16 and the air outlets of the air duct 5 are positioned at a vertical angle, the air inflow of the air duct 5 reaches the maximum value, at the moment, the wind power driving mechanism reaches the maximum working frequency, so that the air inflow of the air duct 5 is adjusted, the adjustment of the air flow is the adjustment of the rotation speed of the internal wind power driving mechanism, the power source is controlled, the movement frequency of the light screen 2 is controlled, and the adjustment of the far and near light switching frequency is adjusted.
According to the working principle of the invention, when wind current generated during driving enters the air duct 5, the driving fan blades 9 drive the driving shaft 8 to rotate, the driving gear 11 is driven by the driving shaft 8 to rotate to drive the driven gear 12 to drive the first transmission shaft 10 to rotate, and further, the first bevel gear 13 arranged coaxially with the driving gear is driven to rotate to drive the second bevel gear 14 to rotate, the second transmission shaft 14 rotates to drive the second transmission shaft 15 to rotate, when the slider 29 penetrates into the second deep groove 28, the second transmission shaft 15 drives the control shaft 23 to rotate through friction force between the slider 29 and the second deep groove 28, when the control shaft 23 rotates until the stop block 25 contacts with the U-shaped limit block 24, the rotation of the control shaft 23 is stopped, at the moment, the light shielding range of the light shielding plate 2 reaches the maximum value, namely, the low beam state, the second transmission shaft 15 rotates normally and not intermittently, the slider 29 is driven to slide from the second deep groove 28 to move towards the first deep groove 27 to compress the spring 30, at the moment, the control shaft 23 stops rotating and the inner second transmission shaft 15 rotates, so that the wedge end of the second transmission shaft 29 slides in the deep groove 33, when the light shielding plate 15 moves to the far beam sliding groove, the deep groove, the headlamp is moved, and the headlamp is moved to the far beam sliding control slide in the deep groove 23, and the deep groove 23 is moved to the deep groove, and the headlamp is moved to control slide in the deep groove 2, and the headlamp, when the headlamp is moved to move, and the headlamp is moved in the deep groove, when the headlamp.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
In conclusion, the invention provides the high-low beam switching mechanism of the electric vehicle headlamp, which is improved on the basis of the existing electric vehicle headlamp, is additionally provided with the high-low beam switching mechanism, improves the driving safety during driving, does not need to carry out complicated transformation on the electric vehicle, is more convenient to install, is driven by wind energy during use, and is energy-saving and environment-friendly.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.
Claims (6)
1. A high beam and low beam switching mechanism for an electric vehicle headlight is characterized by comprising
The executing part comprises a headlamp and a shading plate which is arranged on a headlamp lampshade and can cover lamplight, a connecting piece is arranged at the joint of the shading plate and the headlamp lampshade, one side of the connecting piece is fixedly connected with the headlamp lampshade through a screw, and the other side of the connecting piece is rotatably connected with the shading plate;
a driving part including a driving box;
the driving box comprises a box body arranged on one side of the headlamp, an air channel is arranged in the box body, a wind power driving mechanism capable of providing a power source is arranged in the air channel, a transmission mechanism capable of connecting the wind power driving mechanism with the light screen in a transmission manner is further arranged in the box body, and plugging mechanisms capable of plugging air ports are arranged at air ports at two ends of the air channel;
the two plugging mechanisms respectively comprise a plurality of grids which are sequentially arranged at two ends of the air duct side by side, and the center of each grid is rotationally connected with the box body through a rotating shaft;
the adjusting part comprises an adjusting knob arranged on the box body and an adjusting mechanism which is connected with the adjusting knob and can control the plugging mechanism to close the air channel;
the adjusting mechanism comprises a first gear connected with the adjusting knob, an inner gear ring in meshed connection with the first gear, a second gear coaxially and fixedly connected with the inner gear ring, a third gear sequentially arranged on each rotating shaft and a toothed plate capable of linking the second gear and the third gear in a linkage manner, and teeth in meshed connection with the second gear and the third gear are uniformly arranged on two sides of the toothed plate;
the limiting part comprises a limiting box arranged between the light screen and the transmission mechanism, and a limiting mechanism capable of limiting the movement of the light screen is arranged in the limiting box;
the limiting mechanism comprises a control shaft sleeved on the second transmission shaft, a U-shaped limiting block arranged in the limiting box and rotatably connected with the control shaft, and a stopping block arranged on the control shaft and movably connected with the U-shaped limiting block, the control shaft is fixedly connected with the light screen, the control shaft is in linkage connection with the second transmission shaft through an intermittent control mechanism, a torsion spring capable of enabling the control shaft to reset is arranged between the control shaft and the box wall of the limiting box, and an angle adjusting mechanism capable of adjusting a limiting angle is arranged at the upper end, located on one side of the limiting box, of the U-shaped limiting block.
2. The high beam and low beam switching mechanism of the electric vehicle headlamp according to claim 1, wherein: the wind power driving mechanism comprises a driving shaft arranged in the air duct and fan blades arranged on the driving shaft and capable of driving the driving shaft to rotate.
3. The headlamp high-low beam switching mechanism of the electric vehicle as claimed in claim 2, wherein: the transmission mechanism comprises a first transmission shaft arranged in parallel with the driving shaft, a driving gear arranged on the driving shaft, a driven gear meshed with the driving gear, a first bevel gear coaxially arranged with the driven gear, a second bevel gear meshed with the first bevel gear and a second transmission shaft coaxially connected with the second bevel gear and capable of driving the light shielding plate to rotate, the driven gear and the first bevel gear are both arranged on the first transmission shaft, and the second transmission shaft is rotatably connected with the inner wall of the air duct.
4. The high beam and low beam switching mechanism of the electric vehicle headlamp according to claim 1, wherein: the rotating range of the rotating shaft is 0 degree to 90 degrees.
5. The headlamp high-low beam switching mechanism of the electric vehicle as claimed in claim 1, wherein: the intermittent control mechanism comprises a first deep groove arranged on a second transmission shaft, a second deep groove arranged on the inner wall of the control shaft and consistent with the first deep groove, a sliding block capable of sliding in the first deep groove and the second deep groove in a reciprocating mode, a spring arranged in the first deep groove and connected with the sliding block, and a sliding groove arranged on the inner wall of the control shaft and used for guiding the sliding block, wherein one end, close to the second deep groove, of the sliding block is arranged to be of a wedge-shaped structure, and the end, close to the second deep groove, of the sliding block, of the wedge-shaped structure is connected with the sliding groove in a sliding mode.
6. The headlamp high-low beam switching mechanism of the electric vehicle as claimed in claim 1, wherein: the angle adjusting mechanism comprises a plurality of cushion blocks which are longitudinally arranged side by side and movably connected with the U-shaped limiting block on one side of the limiting box, and a control rod capable of controlling the cushion blocks to move is arranged at one end, far away from the U-shaped limiting block, of each cushion block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111537074.5A CN114030413B (en) | 2021-12-16 | 2021-12-16 | High beam and low beam switching mechanism for electric vehicle headlamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111537074.5A CN114030413B (en) | 2021-12-16 | 2021-12-16 | High beam and low beam switching mechanism for electric vehicle headlamp |
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| CN114030413A CN114030413A (en) | 2022-02-11 |
| CN114030413B true CN114030413B (en) | 2022-10-21 |
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| CN202111537074.5A Active CN114030413B (en) | 2021-12-16 | 2021-12-16 | High beam and low beam switching mechanism for electric vehicle headlamp |
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