Car lamp adjusting structure based on diffractive optical element

Abstract

The invention provides a diffractive optical element-based vehicle lamp adjusting structure, which relates to the technical field of vehicle lamp adjustment, and comprises a middle plate, the upper surface of the middle plate is provided with a top shell, the upper surface of the middle plate is provided with a light path shell, the bottom of the light path shell is provided with a light source, the top of the light path shell is provided with a lens, and the light path shell is provided with a plurality of slots for inserting element sheets. Each slot is provided with two three-face baffles, side plates are arranged on the two sides of each three-face baffle, guide blocks are arranged at one ends of the side plates, guide rods are arranged on the guide blocks on the sides of the three-face baffles in a sliding mode, the guide rods are fixedly and vertically arranged on the middle plate, and a first spring is connected between every two adjacent guide blocks. According to the invention, the two three-sided baffles block the slots to prevent particulate matters in a dust environment from invading the interior of the light path shell, so that the attenuation of projection brightness is avoided, the electric energy can be saved, and meanwhile, the number of the slots is set according to the actual use requirement to meet the multi-pattern switching requirement.

Description

Technical Field

[0001] The present invention relates to the technical field of vehicle light adjustment, and more particularly to a vehicle light adjustment structure based on a diffractive optical element. Background Art

[0002] Diffraction is an important physical optical effect. When an incident light beam penetrates a medium with a periodic microstructure, it excites multiple orders of scattered light. The scattered light waves of each order coherently superimpose due to phase differences, ultimately forming an interference pattern with a specific spatial distribution. Diffraction optical elements, based on this phenomenon, are widely used in numerous industries.

[0003] In the field of automotive lighting systems, with the rapid development of intelligent connected technology, vehicle light field design is gradually shifting from traditional basic lighting functions to personalized interactive features. Take the welcome lighting system, for example. By placing diffractive optical elements with different patterns in the light path of the headlights, a pre-set logo pattern can be projected onto the ground, adding a unique charm and sense of technology to the car.

[0004] In order to meet the growing demand for personalized car lights, it is necessary to adjust or replace different diffraction optical elements to achieve flexible changes in the patterns of the lights. The technical means commonly used in the prior art is mainly a rotary switching architecture. Although this method can replace the diffraction optical elements, it is limited by the space limitations of the rotating mechanism. The maximum number of elements carried by the rotating carrier is usually no more than 8 groups, which is difficult to meet the needs of multi-pattern switching. In addition, the optical path of this method is not a closed environment. In particular, the slots for placing diffraction optical elements are directly exposed to the outside when no elements are placed. Therefore, it is easy for environmental particles to invade the optical path system, thereby causing light scattering loss, causing projection brightness attenuation, and causing energy waste. Summary of the Invention

[0005] In view of the shortcomings of the prior art, the present invention aims to provide a vehicle light adjustment structure based on a diffractive optical element.

[0006] In order to solve the above technical problems, the present invention is achieved through the following technical solutions: a headlight adjustment structure based on a diffractive optical element, comprising a middle plate, a top shell is provided on the upper surface of the middle plate, a bottom shell is provided on the lower surface of the middle plate, a light path shell is provided on the upper surface of the middle plate and inside the top shell, a light exit hole is provided on the top plate of the top shell, a light source is provided on the bottom of the light path shell, a lens is provided on the top of the light path shell, and the top of the light path shell is provided at the light exit hole; the light path shell is provided with a plurality of slots for inserting element pieces, slide grooves are provided on both sides of the light path shell between adjacent slots, and card slots are provided on the light path shell and on both sides of the slide grooves, and each slot is provided with two three-sided baffles for blocking the slots, and the two sides of the three-sided baffles are provided. The side surfaces facing inward are provided with sliders, and the sliders slide in corresponding slide grooves, and the sides of the three baffles are provided with blocks on both sides of the sliders, and the blocks are inserted into the corresponding slots; the two sides of the three baffles facing outward are provided with side plates, and one end of the side plates is provided with a guide block, and the guide blocks located on each side of the three baffles slide together with a guide rod, the guide rod is fixed vertically on the middle plate, and a spring is connected between two adjacent guide blocks, a spring is connected between the topmost guide block and the top of the guide rod, and a spring is connected between the bottommost guide block and the bottom of the guide rod, and a set of springs is arranged on the outside of the guide rod, and the other end of the side plate is provided with an inclined surface, and the inclined surfaces of the upper and lower layers in each slot are arranged opposite to each other.

[0007] As a preferred technical solution of the present invention, a diffractive optical element is provided in the middle of the element plate, and pulling blocks are provided on both sides of the element plate.

[0008] Material toggling mechanism, its both sides respectively have a cylinder pressure, and the cylinder pressure bar connects swing arm, and the swing arm end face has hook portion, and a bar passes position between the end of two swing arms and the hook portion. The two swing arms are connected along the swing arm end face, and the hook portion can be adjusted according to the movement of the swing arm. The swing arm is connected along the swing arm end face, and the hook portion can be adjusted according to the movement of the swing arm.

[0009] As a preferred technical solution of the present invention, an L-shaped base is provided on the upper surface of the middle plate and located inside the top shell, a slide groove is provided on the vertical plate of the L-shaped base, a component library is detachably provided above the L-shaped base, a slider is provided on the side of the component library, the slider of the component library forms a sliding fit with the slide groove on the vertical plate of the L-shaped base, a plurality of component bins for placing component sheets are provided on the component library, the number of component bins is consistent with the number of slots, and a handle for picking up is provided on the top of the component library.

[0010] As a preferred technical solution of the present invention, a vertical base plate is vertically provided on the upper surface of the middle plate and located on the side of the L-shaped base, and a pushing block is provided on the concave hook plate close to the side of the vertical base plate. The side of the pushing block is a pushing surface, which is composed of a concave surface and a convex surface, and transition inclined surfaces are provided on both sides of the convex surface of the pushing surface. A fixed pin in contact with the pushing surface is provided on the side of the pushing block, and the fixed pin is slidably arranged on the vertical base plate. A round table is provided on the top of the fixed pin, and a spring 2 is provided on the outer sleeve of the fixed pin, and the two ends of the spring 2 are respectively connected to the round table and the vertical base plate; a limiting hole is provided on one side of the component sheet, and a side frame for exposing the limiting hole is provided on one side of the component library, and a connecting plate is connected to the top of the round table, and a locking pin for inserting into the limiting hole is vertically provided at the end of the connecting plate.

[0011] As a preferred technical solution of the present invention, a push rod is provided on the end of the fixed pin away from the L-shaped base, and an unlocking block is provided on the side of the vertical base plate away from the L-shaped base for sliding in the vertical direction. The unlocking block is provided with a plurality of triangular blocks that respectively drive the push rods. A spring three is connected between the bottom of the unlocking block and the middle plate, and the upper part of the unlocking block is hooked on the vertical base plate.

[0012] As a preferred technical solution of the present invention, an unlocking platform is provided on the top of the unlocking block, a sliding seat is provided on the lower surface of the top plate of the top shell, a sliding rod is slidably provided on the sliding seat, and an inclined surface is provided at the end of the sliding rod for driving the unlocking platform to move; As a preferred technical solution of the present invention, the top plate of the top shell is provided with a storage hole, and a flip cover is rotatably provided at the storage hole. A connecting rod is provided between the sliding rod and the flip cover, and the upper end of the connecting rod is hinged to the lower surface of the flip cover, and the lower end of the connecting rod is hinged to the middle position of the sliding rod. A horizontal plate is provided on the upper surface of the flip cover, and the two ends of the horizontal plate are respectively connected to the top plate of the top shell with screws.

[0013] As a preferred technical solution of the present invention, a rubber pad for pressing the handle is provided on the lower surface of the flip cover.

[0014] The beneficial effects of the present invention compared with the prior art are: (1) All slots in the optical circuit housing of the present invention are equipped with two three-sided baffles. Spring 1 provides elastic force, and the two three-sided baffles corresponding to each slot contact each other. That is, the two three-sided baffles block the slots, preventing dust and environmental particles from invading the interior of the optical circuit housing, thereby avoiding the attenuation of projection brightness, thereby saving energy. At the same time, the number of slots can be set according to actual usage requirements, so the number of component pieces carried by the optical circuit housing is not limited, meeting the needs of multi-pattern switching.

[0015] (2) The limiting holes of all component sheets of the present invention are exposed to the outside through the side frame. Spring 2 provides elastic force to insert the fixing pin into the concave surface of the corresponding push-up surface, and the locking pin is inserted into the limiting hole of the corresponding component sheet, that is, all the component sheets are limited and fixed to prevent the component sheets in the component bin from falling out due to vehicle vibration.

[0016] (3) When the present invention is installing the component piece in the slot, the motor 2 drives the main shaft to rotate, and transmits power through the bevel gear 1 and the bevel gear 2, driving the two screw rods 2 to rotate, so that the two nut sliders move with the concave hook plates toward the slot. In this process, before the concave hook plate contacts the pull block of the corresponding component piece, the concave hook plate moves with the push block, so that the fixed pin transitions from the concave surface of the push surface to the convex surface. Even if the fixed pin moves in the direction away from the L-shaped base on the vertical base plate, the fixed pin moves synchronously with the round table, the connecting plate and the lock pin, so that the lock pin is separated from the limit hole, and the component piece is automatically unlocked. Subsequently, the concave hook plate contacts the pull block of the corresponding component piece, and the concave hook plate hooks the component piece out of the component compartment. When the nut slider contacts the inclined surfaces of the corresponding two side plates, the nut slider drives the two three-sided baffles in the slot to move in the direction away from the slot, thereby automatically exposing the slot and facilitating the insertion of the component piece into the slot. When the component piece is fully inserted into the slot, a portion of the component piece is still located in the corresponding component compartment, thereby keeping the component piece stable and preventing it from shaking.

[0017] (4) The present invention loosens the screw and manually rotates the flip cover, which transmits power through the connecting rod, so that the sliding rod moves along the sliding seat toward the unlocking platform. After the inclined surface of the sliding rod contacts the unlocking platform, the inclined surface of the sliding rod drives the unlocking platform and the unlocking block to move upward. The inclined surfaces of the triangular blocks on the unlocking block contact the corresponding push rods respectively. The inclined surfaces of the triangular blocks of the unlocking block drive the push rod and the fixed pin to move along the vertical base plate away from the L-shaped base, so that all component pieces in the component library are unlocked synchronously, and the component library is taken out from the L-shaped base, which is convenient for batch replacement of component pieces in the component library and meets the usage requirements of different users. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic structural diagram of the present invention as a whole.

[0019] Figure 2 It is a schematic diagram of the overall internal structure of the present invention.

[0020] Figure 3 This is a schematic structural diagram of the top shell installation of the present invention.

[0021] Figure 4 It is a structural schematic diagram of the overall cross-section of the present invention.

[0022] Figure 5 It is a structural schematic diagram of the component sheet of the present invention.

[0023] Figure 6 This is a schematic structural diagram of the installation of three baffles of the present invention.

[0024] Figure 7 for Figure 6 A partial enlarged view of point A in the middle.

[0025] Figure 8 This is a structural diagram of the side plate installation of the present invention.

[0026] Figure 9 This is a structural diagram of the installation of the translation frame of the present invention.

[0027] Figure 10 This is a schematic diagram of the structure of the component library installation of the present invention.

[0028] Figure 11 Schematic diagram of the structure of the component library of the present invention.

[0029] Figure 12 This is a structural diagram of the vertical base plate installation of the present invention.

[0030] Figure 13 It is a structural schematic diagram of the cross section of the component library of the present invention.

[0031] Figure 14 for Figure 13 A partial enlarged view of point B in the middle.

[0032] Figure 15 This is a schematic structural diagram of the flip cover installation of the present invention.

[0033] Reference numerals: 1-middle plate; 2-top shell; 201-light outlet hole; 202-storage hole; 3-bottom shell; 4-light path shell; 401-slot; 402-slide groove; 403-card slot; 5-light source; 6-lens; 7-element piece; 701-pull block; 702-limiting hole; 8-three-sided baffle; 801-slider; 802-card block; 9-side plate; 901-inclined surface; 10-guide block; 11-guide rod; 12-spring 1; 13-slide rod; 14-translation frame; 15-screw rod 1; 16-motor 1; 17-motor 2; 18-spindle; 19-bevel gear 1; 2 0-bevel gear 2; 21-screw rod 2; 22-nut slider; 23-concave hook plate; 24-L-shaped base; 25-component library; 2501-component bin; 2502-handle; 2503-side frame; 26-vertical base plate; 27-push-out block; 2701-push-out surface; 28-fixed pin; 29-round table; 30-spring 2; 31-connecting plate; 32-locking pin; 33-push rod; 34-unlocking block; 35-spring 3; 36-unlocking table; 37-slide seat; 38-sliding rod; 39-flip cover; 40-connecting rod; 41-cross plate; 42-screw; 43-rubber pad. DETAILED DESCRIPTION

[0034] In the present invention, unless otherwise specified, directions such as "up" and "down" are generally used with respect to the directions shown in the drawings, or with respect to the vertical, perpendicular or gravity directions; similarly, for ease of understanding and description, "left" and "right" are generally used with respect to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0035] Example: See Figure 1-15 Structural schematic diagram, the present invention provides the following technical solutions: A headlight adjustment structure based on a diffractive optical element, comprising a middle plate 1, a top shell 2 provided on the upper surface of the middle plate 1, a bottom shell 3 provided on the lower surface of the middle plate 1, a light path shell 4 provided on the upper surface of the middle plate 1 and located inside the top shell 2, a light exit hole 201 provided on the top plate of the top shell 2, a light source 5 provided on the bottom of the light path shell 4, a lens 6 provided on the top of the light path shell 4, and the top of the light path shell 4 provided at the light exit hole 201.

[0036] The optical housing 4 is provided with multiple slots 401 for inserting the optical element 7. Slide grooves 402 are provided on both sides of the optical housing 4, located between adjacent slots 401. Slots 403 are provided on both sides of the optical housing 4, located on either side of the slide grooves 402. Each slot 401 is provided with two three-sided baffles 8 for blocking the slots 401. Sliders 801 are provided on both inwardly facing sides of the three-sided baffles 8. The sliders 801 slide into the corresponding slide grooves 402. Blocks 802 are provided on both sides of the three-sided baffles 8, located on either side of the sliders 801. The blocks 802 are inserted into the corresponding slots 403. A diffractive optical element is provided in the center of the optical element 7, and pull blocks 701 are provided on both sides of the optical element 7.

[0037] Specifically, a component chip 7 is inserted into one of the slots 401. The light source 5 emits a parallel light source, which propagates within the light path housing 4. The parallel light source changes its pattern after passing through the component chip 7, and is finally magnified and projected by the lens 6. The number of slots 401 is set based on actual usage requirements, so the number of component chips 7 that the light path housing 4 can carry is not limited.

[0038] The two sides of the three-sided baffle 8 facing outward are provided with side plates 9, and one end of the side plate 9 is provided with a guide block 10. A guide rod 11 is slidingly provided on the guide block 10 on each side of the three-sided baffle 8. The guide rod 11 is fixed vertically on the middle plate 1, and a spring 12 is connected between each adjacent guide block 10. A spring 12 is connected between the top guide block 10 and the top of the guide rod 11, and a spring 12 is connected between the bottom guide block 10 and the bottom of the guide rod 11. The spring 12 is sleeved on the outside of the guide rod 11, and the other end of the side plate 9 is provided with a slope 901, and the upper and lower slopes 901 in each slot 401 are arranged relative to each other.

[0039] Specifically, when a component plate 7 is installed in slot 401, spring 12 provides elastic force, causing the two three-sided baffles 8 corresponding to each slot 401 to contact each other. This means that the two three-sided baffles 8 block the slot 401, preventing dust and ambient particles from entering the interior of the optical path housing 4, thereby preventing a decrease in projection brightness. At the same time, because the latching blocks 802 on the three-sided baffles 8 are in contact with the short side surfaces of the corresponding latching slot 403, the two three-sided baffles 8 corresponding to each slot 401 can only move away from the slot 401.

[0040] When the component chip 7 needs to be inserted into the slot 401, the two three-sided baffles 8 corresponding to the slot 401 are moved away from the slot 401 to expose the slot 401 and the spring 12 is compressed.

[0041] Two sliding rods 13 are connected between the middle plate 1 and the top plate of the top shell 2, and a translation frame 14 is slidably connected to the two sliding rods 13. Two screw rods 15 are spirally connected to the translation frame 14, and the upper and lower ends of the screw rod 15 are rotatably arranged on the top plate of the top shell 2 and the middle plate 1 respectively, and the lower end of the screw rod 15 passes through the middle plate 1 and is connected to the rotating shaft of the motor 16, and the motor 16 is fixed on the lower surface of the middle plate 1.

[0042] Specifically, the two motors 16 are started simultaneously to drive the two screw rods 15 to rotate synchronously, and the power is transmitted through the threads to move the translation frame 14 up and down along the slide rod 13.

[0043] A motor 2 17 is provided on the translation frame 14, and the rotating shaft of the motor 2 17 is connected to the main shaft 18, and the rotation of the main shaft 18 is arranged between the two side edges of the translation frame 14, and two bevel gears 19 are symmetrically connected to the main shaft 18, and the side of the bevel gear 19 is engaged with a bevel gear 20, and the bevel gear 20 is connected to the screw rod 21, and the two screw rods 21 are symmetrically rotated and arranged on the translation frame 14, and a nut slider 22 for contacting the inclined surface 901 is spirally connected to the screw rod 21, and the sliding of the nut slider 22 is arranged on the side edge of the translation frame 14, and a concave hook plate 23 for hooking the pull block 701 is provided on the nut slider 22, wherein the distance between the two side plates on the concave hook plate 23 is greater than the width of the pull block 701.

[0044] Specifically, the translation frame 14 is positioned at the slot 401 where the component plate 7 is to be installed. Motor 2 17 is activated, driving the spindle 18. This, in turn, transmits power through bevel gears 19 and 20, driving the two screw rods 21. This causes the two nut sliders 22, carrying the concave hook plates 23, to move toward the slot 401. When the nut sliders 22 contact the inclined surfaces 901 of the corresponding two side plates 9, they drive the two three-sided baffles 8 in the slot 401 to move away from the slot 401.

[0045] An L-shaped base 24 is provided on the upper surface of the middle plate 1 and inside the top shell 2. A slide groove is provided on the vertical plate of the L-shaped base 24. A component library 25 is detachably provided above the L-shaped base 24. A slider is provided on the side of the component library 25. The slider of the component library 25 forms a sliding fit with the slide groove on the vertical plate of the L-shaped base 24. The component library 25 is provided with a plurality of component bins 2501 for placing component sheets 7. The number of component bins 2501 is consistent with the number of slots 401. A handle 2502 for picking up is provided on the top of the component library 25.

[0046] Specifically, each component bin 2501 is filled with different component pieces 7, and the slider of the component library 25 is placed in the slide groove of the vertical plate of the L-shaped base 24, that is, the component library 25 is placed on the L-shaped base 24, so that each component bin 2501 is aligned with the corresponding slot 401. At this time, the pull block 701 on each side of each component piece 7 is located in the middle of the two side plates of the corresponding concave hook plate 23. The translation frame 14 is moved to the slot 401 where the component piece 7 needs to be installed, that is, the two side plates of the concave hook plate 23 are located on both sides of the pull block 701 of the selected component piece 7, and the motor 2 17 is started, and the concave hook plate 23 moves toward the slot 401. When one side plate of the concave hook plate 23 contacts the pull block 701 of the corresponding component piece 7, the concave hook plate 23 hooks the component piece 7 out of the component compartment 2501, so that the component piece 7 is inserted into the slot 401. When the component piece 7 is fully inserted into the slot 401, a part of the component piece 7 is still located in the corresponding component compartment 2501, so that the component piece 7 remains stable and does not shake at will. When the component piece 7 in the slot 401 needs to be reinserted into the corresponding component compartment 2501, the motor 2 17 is started in the reverse direction, and the above principle is reversed to move the concave hook plate 23 toward the component compartment 2501, and the concave hook plate 23 pushes the component piece 7 back into the component compartment 2501.

[0047] Taking into account the vibration environment, in order to prevent the component piece 7 in the component bin 2501 from being shaken out, a vertical base plate 26 is vertically provided on the upper surface of the middle plate 1 and on the side of the L-shaped base 24, and a push-up block 27 is provided on the concave hook plate 23 close to the side of the vertical base plate 26. The side of the push-up block 27 is a push-up surface 2701, which is composed of a concave surface and a convex surface, and transition inclined surfaces are provided on both sides of the convex surface of the push-up surface 2701. A fixed pin 28 in contact with the push-up surface 2701 is provided on the side of the push-up block 27. The fixed pin 28 is slidably provided on the vertical base plate 26, and a round table 29 is provided on the top of the fixed pin 28. A spring 23 is provided on the outer sleeve of the fixed pin 28, and the two ends of the spring 23 are respectively connected to the round table 29 and the vertical base plate 26.

[0048] A limiting hole 702 is provided on one side of the component sheet 7, and a side frame 2503 for exposing the limiting hole 702 is provided on one side of the component library 25. A connecting plate 31 is connected to the top of the circular table 29, and a locking pin 32 for inserting into the limiting hole 702 is vertically provided at the end of the connecting plate 31.

[0049] Specifically, when each component bin 2501 is filled with different component pieces 7, the limiting holes 702 of all component pieces 7 are exposed to the outside through the side frame 2503. At this time, the spring 2 30 provides elastic force, so that the fixing pin 28 is inserted into the concave surface of the corresponding push-up surface 2701, and the locking pin 32 is inserted into the limiting hole 702 of the corresponding component piece 7, that is, all the component pieces 7 are limited and fixed to prevent the component pieces 7 in the component bin 2501 from falling out due to vibration. When the nut slider 22 and the concave hook plate 23 move toward the slot 401, before the concave hook plate 23 contacts the pull block 701 of the corresponding component piece 7, the concave hook plate 23 moves with the push-up block 27, so that the fixing pin 28 transitions from the concave surface of the push-up surface 2701 to the convex surface. Even if the fixing pin 28 moves on the vertical base plate 26 in the direction away from the L-shaped base 24, the fixing pin 28 moves synchronously with the round table 29, the connecting plate 31 and the locking pin 32, so that the locking pin 32 is separated from the limiting hole 702, thereby unlocking the component piece 7.

[0050] Considering that in order to replace component pieces 7 in component library 25 in batches, it is necessary to remove component library 25 from L-shaped base 24, so all component pieces 7 in component library 25 need to be unlocked simultaneously. A push rod 33 is provided on the end of fixed pin 28 away from L-shaped base 24. An unlocking block 34 is provided on the side of vertical base plate 26 away from L-shaped base 24, which slides vertically. Unlocking block 34 is equipped with multiple triangular blocks that respectively drive push rod 33. A spring 35 is connected between the bottom of unlocking block 34 and middle plate 1, and the top of unlocking block 34 is hooked on vertical base plate 26.

[0051] An unlocking platform 36 is provided on the top of the unlocking block 34, and a slide 37 is provided on the lower surface of the top plate of the top shell 2. A sliding rod 38 is slidably provided on the slide 37, and an inclined surface is provided at the end of the sliding rod 38 for driving the unlocking platform 36 to move.

[0052] The top plate of the top shell 2 is provided with a storage hole 202, and a flip cover 39 is rotatably provided at the storage hole 202. A connecting rod 40 is provided between the sliding rod 38 and the flip cover 39, and the upper end of the connecting rod 40 is hinged to the lower surface of the flip cover 39, and the lower end of the connecting rod 40 is hinged to the middle position of the sliding rod 38. A horizontal plate 41 is provided on the upper surface of the flip cover 39, and the two ends of the horizontal plate 41 are respectively connected to the top plate of the top shell 2 using screws 42.

[0053] Specifically, when the slider of the component library 25 is located in the vertical plate slide groove of the L-shaped base 24, the spring three 35 is in a stretched state, and the spring three 35 provides a pulling force so that the upper part of the unlocking block 34 hooks on the top of the vertical base plate 26. At this time, the inclined surface of the triangular block on the unlocking block 34 does not contact the corresponding push rod 33. When the component library 25 needs to be removed from the L-shaped base 24, the screws 42 are loosened to separate the horizontal plate 41 from the top plate of the top shell 2, and the flip cover 39 is manually rotated to transmit power through the connecting rod 40, so that the sliding rod 38 moves along the slide 37 toward the unlocking platform 36. After the inclined surface of the sliding rod 38 contacts the unlocking platform 36, the inclined surface of the sliding rod 38 drives the unlocking platform 36 and the unlocking block 34 to move upward. The inclined surfaces of the triangular blocks on the unlocking block 34 contact the corresponding push rods 33 respectively. The inclined surfaces of the triangular blocks of the unlocking block 34 drive the push rod 33 and the fixed pin 28 to move along the vertical base plate 26 away from the L-shaped base 24, thereby synchronously unlocking all the component pieces 7 in the component library 25.

[0054] The lower surface of the flip cover 39 is provided with a rubber pad 43 for pressing the handle 2502. When the slide plate of the component library 25 is installed in the slide groove of the vertical plate of the L-shaped base 24, and the horizontal plate 41 is installed on the top plate of the top shell 2 with screws 42, the rubber pad 43 contacts the handle 2502 of the component library 25, thereby fixing the L-shaped base 24 on the component library 25, preventing the component library 25 from shaking when the vehicle vibrates.

[0055] Working Principle: In the initial state, all slots 401 in the optical housing 4 are equipped with component pieces 7. Spring 12 provides elastic force, and the two three-sided baffles 8 corresponding to each slot 401 contact each other. Thus, the two three-sided baffles 8 block the slots 401, preventing dust and environmental particles from invading the interior of the optical housing 4, thereby preventing the reduction of projection brightness and thus saving energy. Each component compartment 2501 in the component library 25 is filled with different component pieces 7. The slider of the component library 25 is placed in the slide groove of the vertical plate of the L-shaped base 24, that is, the component library 25 is placed on the L-shaped base 24. The horizontal plate 41 is mounted on the top plate of the top housing 2 using screws 42. The rubber pad 43 contacts the handle 2502 of the component library 25, thereby securing the L-shaped base 24 to the component library 25 and preventing the component library 25 from shaking when the vehicle vibrates. The retaining holes 702 of all component pieces 7 are exposed through the side frame 2503. At this time, the spring 2 30 provides elastic force, causing the end of the fixed pin 28 to insert into the concave surface of the corresponding push-up surface 2701, and the locking pin 32 to insert into the retaining hole 702 of the corresponding component piece 7, thus retaining all component pieces 7 in place and preventing the component pieces 7 in the component bin 2501 from being shaken out due to vibration. At the same time, each component bin 2501 is aligned with the corresponding slot 401, and the pull block 701 on each side of each component piece 7 is located between the two side plates of the corresponding concave hook plate 23.

[0056] When it is time to install a component piece 7 in slot 401 of optical housing 4, two motors 16 are activated simultaneously, driving the two screws 15 to rotate synchronously. Power is transmitted through the threads, causing translation frame 14 to move up and down along slide rod 13, moving translation frame 14 to the slot 401 corresponding to the desired component piece 7. At this point, the two side plates of concave hook plate 23 are positioned on either side of pull block 701 of the selected component piece 7. Motor 2 17 is activated, driving spindle 18 to rotate. Power is transmitted through bevel gears 19 and 20, driving screws 21 to rotate, thereby causing the two nut sliders 22 to move, carrying the concave hook plate 23, toward slot 401. During this process, before the concave hook plate 23 contacts the pull block 701 of the corresponding component piece 7, the concave hook plate 23 moves with the push block 27, so that the fixing pin 28 transitions from the concave surface of the push surface 2701 to the convex surface. Even if the fixing pin 28 moves on the vertical base plate 26 in the direction away from the L-shaped base 24, the fixing pin 28 moves synchronously with the round table 29, the connecting plate 31 and the locking pin 32, so that the locking pin 32 is separated from the limiting hole 702, thereby unlocking the component piece 7. Subsequently, one side plate of the concave hook plate 23 contacts the pull block 701 of the corresponding component piece 7, and the concave hook plate 23 hooks the component piece 7 out of the component bin 2501. When the nut slider 22 contacts the inclined surfaces 901 of the two corresponding side plates 9, the nut slider 22 drives the two three-sided baffles 8 in the slot 401 to move away from the slot 401, thereby exposing the slot 401. The spring 12 is compressed to facilitate the insertion of the component piece 7 into the slot 401. When the component piece 7 is fully inserted into the slot 401, a part of the component piece 7 is still located in the corresponding component bin 2501, so that the component piece 7 remains stable and does not shake at will. At the same time, the fixed pin 28 is separated from the push-out block 27.

[0057] When a component chip 7 is installed in a slot 401, the light source 5 emits a parallel light source. The diffractive optical element in the component chip 7 is in the optical path of the light source 5. The parallel light source propagates in the light path housing 4, and after passing through the diffractive optical element in the component chip 7, the pattern is changed. Finally, it is magnified and projected by the lens 6. The number of slots 401 is set according to actual usage requirements, so the number of component chips 7 that can be carried by the light path housing 4 is not limited.

[0058] When it is necessary to reinsert the component piece 7 in the slot 401 into the corresponding component compartment 2501, the motor 2 17 is started in the reverse direction, and the above principle is reversed to move the concave hook plate 23 toward the component compartment 2501. After the concave hook plate 23 contacts the pull block 701, the concave hook plate 23 pushes the pull block 701 of the component piece 7 to move synchronously. Before the component piece 7 reaches the locking pin 32, the end of the fixed pin 28 transitions to the convex surface of the push-up surface 2701, thereby moving the locking pin 32 away from the component piece 7 and making room for the component piece 7 to fully enter the component compartment 2501. When the component piece 7 is completely reinsert into the component compartment 2501, the end of the fixed pin 28 transitions to the concave surface of the push-up surface 2701, and the locking pin 32 is reinsert into the limiting hole 702 of the component piece 7.

[0059] When it is necessary to take the component library 25 out of the L-shaped base 24, the screw 42 is loosened to separate the horizontal plate 41 from the top plate of the top shell 2, and the flip cover 39 is manually rotated to transmit power through the connecting rod 40, so that the sliding rod 38 moves along the slide 37 toward the unlocking platform 36. After the inclined surface of the sliding rod 38 contacts the unlocking platform 36, the inclined surface of the sliding rod 38 drives the unlocking platform 36 and the unlocking block 34 to move upward. The inclined surfaces of the triangular blocks on the unlocking block 34 contact the corresponding push rods 33 respectively, and the inclined surfaces of the triangular blocks of the unlocking block 34 drive the push rod 33 and the fixed pin 28 to move along the vertical base plate 26 away from the L-shaped base 24, thereby synchronously unlocking the component pieces 7 in the component library 25, and the component library 25 L will be taken out from the L-shaped base 24, which is convenient for batch replacement of component pieces 7 in the component library 25 to meet the usage requirements of different users.

[0060] The above are only specific embodiments of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions, or modifications based on the present invention to solve substantially the same technical problems and achieve substantially the same technical effects are all included in the scope of protection of the present invention.

Claims

1. A vehicle light adjustment structure based on a diffractive optical element, comprising a middle plate, characterized in that: A top shell is provided on the upper surface of the middle plate, a bottom shell is provided on the lower surface of the middle plate, a light path shell is provided on the upper surface of the middle plate and inside the top shell, a light exit hole is provided on the top plate of the top shell, a light source is provided on the bottom of the light path shell, a lens is provided on the top of the light path shell, and the top of the light path shell is provided at the light exit hole; The optical circuit housing is provided with a plurality of slots for inserting component pieces, and slide grooves are provided on both sides of the optical circuit housing between adjacent slots, and card slots are provided on both sides of the optical circuit housing and on both sides of the slide grooves. Each slot is provided with two three-sided baffles for blocking the slots, and both sides of the three-sided baffles facing the inner side are provided with sliders, and the sliders slide into the corresponding slide grooves, and the sides of the three-sided baffles are provided with card blocks on both sides of the sliders, and the card blocks are inserted into the corresponding card slots; The two sides of the three baffles facing outward are provided with side plates, and one end of the side plate is provided with a guide block. A guide rod is provided on the guide blocks on each side of the three baffles for sliding together. The guide rod is fixed vertically on the middle plate. A spring is connected between each adjacent guide block, a spring is connected between the top guide block and the top of the guide rod, and a spring is connected between the bottom guide block and the bottom of the guide rod. A set of springs is provided on the outside of the guide rod, and the other end of the side plate is provided with an inclined surface, and the upper and lower inclined surfaces in each slot are arranged opposite to each other.

2. The vehicle light adjustment structure based on a diffractive optical element according to claim 1, characterized in that: A diffraction optical element is provided in the middle of the element plate, and pulling blocks are provided on both sides of the element plate.

3. The vehicle light adjustment structure based on a diffractive optical element according to claim 2, characterized in that: Two sliding rods are connected between the middle plate and the top plate of the top shell, and the two sliding rods are slidably connected to a translation frame. Two screw rods 1 are spirally connected to the translation frame, and the upper and lower ends of the screw rod 1 are rotatably arranged on the top plate and the middle plate of the top shell respectively, and the lower end of the screw rod 1 passes through the middle plate and is connected to the rotating shaft of the motor 1, and the motor 1 is fixed to the lower surface of the middle plate; The translation frame is provided with a second motor, the rotating shaft of the second motor is connected to the main shaft, and the rotation of the main shaft is arranged between the two sides of the translation frame, and two bevel gears are symmetrically connected to the main shaft, and the side of the bevel gear is engaged with the second bevel gear, and the bevel gear is connected to the second screw rod. The two screw rods are symmetrically rotated and arranged on the translation frame, and a nut slider for contacting the inclined surface is spirally connected to the second screw rod, and the sliding of the nut slider is arranged on the side of the translation frame, and the nut slider is provided with a concave hook plate for hooking the pull block.

4. The vehicle light adjustment structure based on a diffractive optical element according to claim 3, characterized in that: An L-shaped base is provided on the upper surface of the middle plate and inside the top shell, a slide groove is provided on the vertical plate of the L-shaped base, a component library is detachably provided above the L-shaped base, a slider is provided on the side of the component library, and the slider of the component library forms a sliding fit with the slide groove on the vertical plate of the L-shaped base, a plurality of component bins for placing component sheets are provided on the component library, the number of component bins is consistent with the number of slots, and a handle for picking up is provided on the top of the component library.

5. The vehicle light adjustment structure based on a diffractive optical element according to claim 4, characterized in that: A vertical base plate is vertically provided on the upper surface of the middle plate and located on the side of the L-shaped base. A push-up block is provided on the concave hook plate close to one side of the vertical base plate. The side of the push-up block is a push-up surface, which is composed of a concave surface and a convex surface. Transition inclined surfaces are provided on both sides of the convex surface of the push-up surface. A fixed pin in contact with the push-up surface is provided on the side of the push-up block. The fixed pin is slidably provided on the vertical base plate. A round table is provided on the top of the fixed pin. A spring is provided on the outer sleeve of the fixed pin. The two ends of the spring are respectively connected to the round table and the vertical base plate. A limiting hole is provided on one side of the component sheet, and a side frame for exposing the limiting hole is provided on one side of the component library. A connecting plate is connected to the top of the circular table, and a locking pin for inserting into the limiting hole is vertically provided at the end of the connecting plate.

6. The vehicle light adjustment structure based on a diffractive optical element according to claim 5, characterized in that: A push rod is provided on the end of the fixed pin away from the L-shaped base, and an unlocking block is provided on the side of the vertical base plate away from the L-shaped base for sliding in the vertical direction. The unlocking block is provided with multiple triangular blocks that respectively drive the push rods. A spring three is connected between the bottom of the unlocking block and the middle plate, and the upper part of the unlocking block is hooked on the vertical base plate.

7. The vehicle light adjustment structure based on a diffractive optical element according to claim 6, characterized in that: An unlocking platform is provided on the top of the unlocking block, a sliding seat is provided on the lower surface of the top plate of the top shell, a sliding rod is slidably provided on the sliding seat, and an inclined surface is provided at the end of the sliding rod for driving the unlocking platform to move; The top plate of the top shell is provided with a storage hole, and a flip cover is rotatably provided at the storage hole. A connecting rod is provided between the sliding rod and the flip cover, and the upper end of the connecting rod is hinged to the lower surface of the flip cover, and the lower end of the connecting rod is hinged to the middle position of the sliding rod. A horizontal plate is provided on the upper surface of the flip cover, and the two ends of the horizontal plate are respectively connected to the top plate of the top shell with screws.

8. The vehicle light adjustment structure based on a diffractive optical element according to claim 7, characterized in that: The lower surface of the flip cover is provided with a rubber pad for pressing the handle.

Images