CN113048413B - Lighting device convenient to adjust illumination scope - Google Patents
Lighting device convenient to adjust illumination scope Download PDFInfo
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- CN113048413B CN113048413B CN202110311378.3A CN202110311378A CN113048413B CN 113048413 B CN113048413 B CN 113048413B CN 202110311378 A CN202110311378 A CN 202110311378A CN 113048413 B CN113048413 B CN 113048413B
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- gear
- lighting device
- lampshade
- fixedly connected
- light
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
- F21V14/006—Controlling the distribution of the light emitted by adjustment of elements by means of optical elements, e.g. films, filters or screens, being rolled up around a roller
Abstract
The application relates to a lighting device convenient for adjusting illumination range, relates to the field of lamps, the lamp shade comprises a lamp shade body, the bulb of fixed connection on the lamp shade, rotate the ring gear of connection on the lamp shade, the mount pad of fixed connection on the lamp shade, establish the gear train on the mount pad, the gear train is including rotating the first gear of connection on the mount pad and rotating the second gear of connection on the mount pad, the quantity of gear train is two, two gear trains are about the axis central symmetry of ring gear, equal fixedly connected with regulation pole on first gear and the second gear, be equipped with first lens-shade on the regulation pole, first gear and ring gear meshing, first gear and second gear meshing, the second gear does not mesh with the ring gear, the one end fixed connection of first lens-shade is on the inner wall of lamp shade, other end fixed connection is on adjusting the pole, the folding setting of first lens-shade. This application has the effect of the illumination scope of regulation lamps and lanterns.
Description
Technical Field
The application relates to the field of lamps, in particular to a lighting device convenient for adjusting illumination range.
Background
A lamp is a light emitting device used for illumination or other purposes, and is generally used for lighting in rooms, living rooms, halls, restaurants, roads, courtyards and other scenes.
However, the illumination range of the existing lamp is fixed, and the illumination range of the lamp cannot be changed according to actual needs.
Disclosure of Invention
In order to adjust the illumination range of the lamp, the application provides a lighting device convenient for adjusting the illumination range.
The application provides a lighting device convenient to adjust illumination scope adopts following technical scheme:
a lighting device convenient for adjusting the illumination range comprises a lampshade, a bulb fixedly connected to the lampshade, an inner gear ring rotatably connected to the lampshade, a mounting seat fixedly connected to the lampshade, and a gear set arranged on the mounting seat, wherein the gear set comprises a first gear rotatably connected to the mounting seat and a second gear rotatably connected to the mounting seat; the number of the gear sets is two, and the two gear sets are in central symmetry with respect to the axis of the inner gear ring; the first gear and the second gear are both fixedly connected with adjusting rods, and the adjusting rods are provided with first shading sheets; the first gear is meshed with the inner gear ring, the first gear is meshed with the second gear, and the second gear is not meshed with the inner gear ring; one end fixed connection of first anti-dazzling screen is on the inner wall of lamp shade, other end fixed connection is on adjusting the pole, first anti-dazzling screen folding setting.
Through adopting above-mentioned technical scheme, the bulb is luminous in the lamp shade and is used for the illumination, the ring gear rotates and drives first gear revolve, first gear revolve drives the second gear revolve, the rotation opposite direction of first gear and second gear, first gear and second gear revolve the drive regulation pole and rotate, it drives first lens-chopper to expand to adjust the pole rotation, the in-process that first lens-chopper expanded reduces the lamp shade opening size, and then reduce the illumination zone of bulb, the rotation opposite direction when the ring gear rotates the regulation pole and expands with first lens-chopper, it folds first lens-chopper to adjust the pole rotation, thereby increase the opening size of lamp shade, and then increase the illumination zone of bulb, thereby the illumination zone of bulb is adjusted to the lamp shade opening through changing first lens-chopper shelter.
Optionally, a second shading sheet is arranged on the lampshade; the second light shading sheet is positioned in a gap between the first gear and the first light shading sheet on the second gear in the two gear sets, one end of the second light shading sheet is fixedly connected to the inner wall of the lampshade, and the other end of the second light shading sheet is a free end.
Through adopting above-mentioned technical scheme, the second lens shade shelters from the space between two first lens shades, improves the regulation effect.
Optionally, a fixing plate is fixedly connected to a free end of the second light-shielding sheet, a spring is arranged on the lampshade, one end of the spring is fixedly connected to the inner wall of the lampshade, the other end of the spring is fixedly connected to the fixing plate, the second light-shielding sheet is arranged in a folded manner, a first extending portion is arranged on the adjusting rod, and the first extending portion extends out of the first light-shielding sheet; a second extending part is arranged on the fixing plate, and a second shading sheet extends out of the second extending part; the first extension portion abuts against the second extension portion.
Through adopting above-mentioned technical scheme, first extension and second extension butt, when first anti-dazzling screen expandes, it removes to adjust the pole rotation in-process and drive the fixed plate, the fixed plate removes and drives the second anti-dazzling screen expansion, the spring is in tensile state, the second anti-dazzling screen expansion shelters from the space between two adjacent first anti-dazzling screens, when first anti-dazzling screen is folding, it removes to adjust the pole rotation in-process and drive the fixed plate, the spring becomes original length by tensile, the second anti-dazzling screen is folding under the effect of spring, thereby increase the opening size of lamp shade.
Optionally, a groove is formed in the second extending portion; the first extension is positioned within the groove.
Through adopting above-mentioned technical scheme, first extension is located the recess, and the recess plays limiting displacement to first extension for first extension is when driving the second extension and remove, and first extension is difficult to drop from the second extension.
Optionally, the side wall of the lampshade is provided with heat dissipation holes.
Through adopting above-mentioned technical scheme, the bulb can produce the heat when luminous in the lamp shade, and the heat gathers in the lamp shade and probably damages the bulb, can give off the external world with the heat in the lamp shade better through the louvre.
Optionally, a tooth groove part is formed in the outer side wall of the inner gear ring, a through hole is formed in the lamp shade, an installation plate is fixedly connected to the lamp shade, and a motor is fixedly connected to the installation plate; the output end of the motor penetrates through the mounting plate and is rotationally connected with the mounting plate, the output end of the motor is fixedly connected with a driving gear, and the driving gear is meshed with the tooth groove part of the inner gear ring.
Through adopting above-mentioned technical scheme, the motor drives the driving gear and rotates, the driving gear rotates and drives the ring gear and rotate, the ring gear rotates and drives first gear and second gear rotation, first gear and second gear rotation drive the regulation pole and rotate, it rotates and opens first lens-shading piece to adjust the pole, motor antiport drives the ring gear and rotates to make first gear and second gear rotation, and then make the regulation pole rotate, it makes first lens-shading piece folding to adjust the pole rotation, it is more convenient with folding the expansion of first lens-shading piece to adjust through the motor.
Optionally, a baffle is fixedly connected to the fixing plate; the baffle is located the below of second light-shielding piece, the baffle perpendicular to fixed plate.
Through adopting above-mentioned technical scheme, the baffle blocks the gap between two adjacent fixed plates, has reduced the phenomenon of light leak when first anti-dazzling screen expandes completely.
Optionally, the second light-shielding sheet is located below the first light-shielding sheet, and when the second light-shielding sheet is unfolded, the gap between the first light-shielding sheets can be completely shielded.
Through adopting above-mentioned technical scheme, the expansion area of second anti-dazzling screen is greater than the gap between two adjacent first anti-dazzling screens after expanding, and when first anti-dazzling screen expanded, the second anti-dazzling screen had reduced the gap between two adjacent first anti-dazzling screens, has improved the shading effect.
Optionally, a transparent cover plate is fixedly connected to the lamp shade; the transparent cover plate is positioned below the second shading sheet.
Through adopting above-mentioned technical scheme, transparent cover blocks the opening, makes in external foreign matter is difficult to get into the lamp shade, and then has reduced the influence of external foreign matter to the bulb illumination to reduce and expand and folding influence to first lens-shade and second lens-shade.
Optionally, a reflective cup is fixedly connected to the inner wall of the lampshade; the light reflecting cup is positioned above the bulb.
By adopting the technical scheme, the light emitted by the bulb is reflected by the reflecting cup, so that the light emitted by the bulb is emitted from the opening of the lamp shade, and the lighting effect of the bulb is improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the bulb emits light in the lampshade for illumination, the inner gear ring rotates to drive the first gear to rotate, the first gear rotates to drive the second gear to rotate, the rotating directions of the first gear and the second gear are opposite, the first gear and the second gear rotate to drive the adjusting rod to rotate, the adjusting rod rotates to drive the first shade to unfold, the size of an opening of the lampshade is reduced in the unfolding process of the first shade, the illumination range of the bulb is further reduced, the inner gear ring rotates in the opposite direction to enable the adjusting rod to rotate in the opposite direction to the rotating direction of the first shade when the first shade is unfolded, the adjusting rod rotates to fold the first shade, the size of the opening of the lampshade is increased, the illumination range of the bulb is further increased, and the illumination range of the bulb is adjusted by changing the first shade to shield the opening of the lampshade;
2. first extension and second extension butt, when first anti-dazzling screen expandes, adjust the pole and rotate the in-process and drive the fixed plate and remove, the fixed plate removes and drives the second anti-dazzling screen and expand, the spring is in tensile state, the second anti-dazzling screen expandes and shelters from the space between two adjacent first anti-dazzling screens, when first anti-dazzling screen is folding, it moves to adjust the pole rotation in-process and drive the fixed plate, the spring becomes the original length by the drawing, the second anti-dazzling screen is folding under the effect of spring to increase the opening size of lamp shade.
Drawings
Fig. 1 is an isometric view of a lighting device that facilitates adjustment of an illumination range according to embodiments of the present application.
Fig. 2 is a cross-sectional view of the lighting device of fig. 1 that facilitates adjustment of the illumination range.
Fig. 3 is a schematic view of a portion of the lighting device shown in fig. 1 for facilitating adjustment of the illumination range.
Fig. 4 is a bottom view of the lighting device of fig. 1 that facilitates adjustment of the illumination range.
Fig. 5 is a partial exploded view of the lighting device of fig. 1 that facilitates adjustment of the illumination range.
Fig. 6 is an enlarged view of a portion a in fig. 5.
Description of reference numerals: 1. a lamp shade; 11. heat dissipation holes; 12. a through hole; 2. a bulb; 31. an inner gear ring; 311. a tooth groove part; 32. a mounting seat; 33. a gear set; 331. a first gear; 332. a second gear; 34. adjusting a rod; 341. a first extension portion; 41. a first light-shielding sheet; 42. a second light-shielding sheet; 51. a fixing plate; 511. a second extension; 5111. a groove; 512. a baffle plate; 52. a spring; 6. mounting a plate; 71. a motor; 72. a driving gear; 8. a transparent cover plate; 9. a light reflecting cup.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
The embodiment of the application discloses lighting device convenient to adjust illumination scope.
Referring to fig. 1 and 2, a lampshade 1 is of a cylindrical structure and has a hollow cavity inside, a bulb 2 is fixedly connected to the lampshade 1, the bulb 2 is located inside the lampshade 1, an opening is formed in the lampshade 1, the bulb 2 emits light in the lampshade 1, and the light emitted by the bulb 2 is emitted from the opening of the lampshade 1 for illumination.
Referring to fig. 2 and 3, an inner gear ring 31 is rotatably connected to the inner wall of the lamp housing 1, the inner gear ring 31 has the same axis as that of the lamp housing 1, a mounting base 32 is fixedly connected to the inner wall of the lamp housing 1, an opening is formed in the middle of the mounting base 32, a gear set 33 is arranged on the mounting base 32, the gear set 33 includes a first gear 331 and a second gear 332, the first gear 331 and the second gear 332 are both rotatably connected to the mounting base 32, the first gear 331 is engaged with the second gear 332, the first gear 331 is engaged with the inner gear ring 31, and the second gear 332 is not engaged with the inner gear ring 31.
Referring to fig. 3 and 4, two sets of first gears 331 and second gears 332 are provided, the two sets of first gears 331 and second gears 332 are centrosymmetric with respect to the axis of the lampshade 1, one end of the adjusting rod 34 is fixedly connected to the middle position of the first gears 331, the other end is a free end, the second gears 332 are also provided with the adjusting rod 34, one end of the adjusting rod 34 on the second gears 332 is fixedly connected to the middle position of the second gears 332, the other end is a free end, the first gear 331 and the second gear 332 are both provided with a first light shielding sheet 41, and the first light shielding sheet 41 is fan-shaped and can be folded.
One end of the first light-shielding sheet 41 is fixedly connected to the mounting base 32, the other end of the first light-shielding sheet 41 is fixedly connected to the adjusting rod 34, the adjusting rod 34 rotates to drive the first light-shielding sheet 41 to unfold or fold, and the first light-shielding sheet 41 is unfolded or folded to change the light transmission range of the opening of the lampshade 1, so that the illumination range of the bulb 2 is changed.
The bulb 2 emits light in the lamp housing 1, and the light emitted from the bulb 2 passes through the opening of the mount 32 and the opening of the lamp housing 1, thereby illuminating the outside. The initial position of the adjusting rod 34 is tangent to the inner wall of the mounting seat 32, the inner gear ring 31 rotates to drive the first gear 331 to rotate, the first gear 331 rotates to drive the second gear 332 to rotate, the rotating directions of the first gear 331 and the second gear 332 are opposite, the first gear 331 and the second gear 332 rotate to drive the adjusting rod 34 to rotate, the adjusting rod 34 rotates to unfold the first shade 41, the first shade 41 unfolds to reduce the light transmission range of the opening of the lampshade 1, so that the lighting range of the bulb 2 is reduced, when the lighting range needs to be enlarged, the inner gear ring 31 rotates in reverse direction, the inner gear ring 31 drives the first gear 331 and the second gear 332 to rotate, the rotating directions of the first gear 331 and the second gear 332 are opposite, the first gear 331 and the second gear 332 rotate to drive the adjusting rod 34 to rotate, the adjusting rod 34 rotates to fold the first shade 41 and enlarge the opening area of the lampshade 1, thereby increasing the illumination range of the bulb 2.
Referring to fig. 3 and 4, in order to reduce the gap between the first light-shielding sheets 41 on the two first gears 331, a second light-shielding sheet 42 is disposed on the lampshade 1, one end of the second light-shielding sheet 42 is fixedly connected to the inner wall of the lampshade 1, and the other end is a free end, a fixing plate 51 is fixedly connected to the free end of the second light-shielding sheet 42, a spring 52 is disposed on the fixing plate 51, the spring 52 is located above the second light-shielding sheet 42, the second light-shielding sheet 42 is located between the first light-shielding sheet 41 and the second light-shielding sheet 42, one end of the spring 52 is fixedly connected to the inner wall of the lampshade 1, and the other end is fixedly connected to the fixing plate 51. The adjusting rod 34 is provided with a first extending portion 341, the fixing plate 51 is provided with a second extending portion 511, the first extending portion 341 is abutted against the second extending portion 511, the adjusting rod 34 drives the fixing plate 51 to move in the rotating process, the second extending portion 511 is provided with a groove 5111, the first extending portion 341 is located in the groove 5111, the adjusting rod 34 is more stable when driving the fixing plate 51 to move, and the groove 5111 plays a limiting role in limiting the first extending portion 341, so that the first extending portion 341 is not easy to fall off from the second extending portion 511.
When the adjusting rod 34 drives the first light-shielding sheet 41 to be unfolded, the first extending portion 341 on the adjusting rod 34 drives the fixing plate 51 to move, the fixing plate 51 moves to unfold the second light-shielding sheet 42, and the spring 52 changes from original length to tension, so that the gap between the two adjacent first gears 331 and the first light-shielding sheet 41 on the second gear 332 is reduced, and the illumination range is reduced. When the illumination range needs to be enlarged, the inner gear ring 31 rotates reversely, the first gear 331 and the second gear 332 rotate, the rotating directions of the first gear 331 and the second gear 332 are opposite to the rotating direction of the first shade 41 when the first shade 41 is unfolded, the adjusting rod 34 rotates to fold the first shade 41, the second shade 42 is folded after being unfolded under the action of the spring 52, the opening of the lampshade 1 is enlarged, the illumination range of the bulb 2 is enlarged, and the effect of adjusting the illumination range is improved.
Referring to fig. 1 and 2, in order to facilitate dissipation of heat generated by lighting of the bulb 2, a plurality of heat dissipation holes 11 are formed in a sidewall of the lamp housing 1, and the plurality of heat dissipation holes 11 are uniformly distributed on the sidewall of the lamp housing 1 along a circumference. The heat that bulb 2 illumination produced gives off the external world through louvre 11, has reduced the gathering of heat in lamp shade 1 is inside to reduce because of the too high possibility that causes bulb 2 to damage of the inside high temperature of lamp shade 1.
Referring to fig. 1 and 5, in order to rotate the inner gear ring 31 better, a through hole 12 is formed in a side wall of the lamp shade 1, a tooth groove portion 311 is formed in an outer side wall of the inner gear ring 31, the tooth groove portion 311 corresponds to the through hole 12 in position, an installation plate 6 is fixedly connected to an outer wall of the lamp shade 1, the installation plate 6 is located above the through hole 12, a motor 71 is fixedly connected to the installation plate 6, the motor 71 is located at a top end face of the installation plate 6, an output end of the motor 71 penetrates through the installation plate 6, an output end of the motor 71 is rotatably connected to the installation plate 6, a driving gear 72 is fixedly connected to an output end of the motor 71, and the driving gear 72 is engaged with the tooth groove portion 311.
When the illumination range of the bulb 2 is adjusted, the motor 71 drives the driving gear 72 to rotate, the driving gear 72 drives the inner gear ring 31 to rotate by being meshed with the tooth space portion 311, the inner gear ring 31 rotates to drive the first gear 331 to rotate, the first gear 331 drives the second gear 332 to rotate, the first gear 331 and the second gear 332 drive the adjusting rod 34 to rotate, and the adjusting rod 34 rotates to drive the first shade 41 to unfold. The motor 71 rotates reversely to drive the driving gear 72 to rotate, the driving gear 72 rotates to drive the inner gear ring 31 to rotate, the inner gear ring 31 drives the first gear 331 to rotate, the first gear 331 drives the second gear 332 to rotate, the rotation directions of the first gear 331 and the second gear 332 are opposite to the rotation directions of the first gear 331 and the second gear 332 when the first shade 41 is unfolded, the first gear 331 and the second gear 332 drive the adjusting rod 34 to rotate, and the adjusting rod 34 rotates to drive the first shade to be folded. The illumination range of the bulb 2 is more conveniently adjusted by the motor 71.
Referring to fig. 5 and 6, a blocking plate 512 is fixedly coupled to the fixing plate 51 in order to reduce a gap of the adjusting lever 34 on the first gear 331 and the second gear 332 when the first shade 41 is completely unfolded. When the first light-shielding plates 41 of the first and second gears 331 and 332 are completely unfolded, the baffle 512 is positioned below the fixed plates 51, and the baffle 512 blocks light passing through a gap between the fixed plates 51, thereby improving an effect of adjusting an illumination range.
Referring to fig. 2, in order to prevent foreign matters from entering the lamp housing 1, a transparent cover 8 is fixedly connected to an inner sidewall of the lamp housing 1, and the transparent cover 8 is positioned below the second gear 332. The transparent cover plate 8 seals the lampshade 1, so that external foreign matters are not easy to enter the lampshade 1, the influence of unfolding and folding of the first light-shielding sheet 41 and the second light-shielding sheet 42 which are influenced by the fact that the foreign matters enter the lampshade 1 is reduced, and the influence of the foreign matters entering the lampshade 1 to illuminate the bulb 2 is reduced.
Referring to fig. 2 and 5, in order to improve the lighting effect of the bulb 2, a reflective cup 9 is fixedly connected to the inner wall of the lampshade 1, the reflective cup 9 is positioned above the bulb 2, light emitted by the bulb 2 is irradiated onto the reflective cup 9, and the reflective cup 9 reflects the light emitted by the bulb 2, so that the lighting effect of the bulb 2 is improved.
The implementation principle of the lighting device convenient for adjusting the illumination range is as follows: the bulb 2 emits light inside the lampshade 1 for illumination, when the illumination range of the bulb 2 needs to be reduced, the motor 71 rotates the driving gear 72 to rotate, the driving gear 72 rotates to drive the inner gear ring 31 to rotate, the inner gear ring 31 rotates to drive the first gear 331 to rotate, the first gear 331 rotates to drive the second gear 332 to rotate, the first gear 331 and the second gear 332 rotate to drive the adjusting rod 34 to rotate, the adjusting rod 34 rotates to drive the fixing plate 51 to move, the adjusting rod 34 rotates to unfold the first shade 41, the fixing plate 51 moves to unfold the second shade 42, the second shade 42 unfolds to enable the spring 52 to be stretched from the original length, the first shade 41 and the second shade 42 unfold to reduce the light transmission area of the opening of the lampshade 1, and therefore the illumination range of the bulb 2 is reduced.
When the lighting range of the bulb 2 needs to be enlarged, the motor 71 rotates reversely to drive the driving gear 72 to rotate, the driving gear 72 rotates to drive the inner gear ring 31 to rotate, the inner gear ring 31 rotates to drive the first gear 331 to rotate, the first gear 331 rotates to drive the second gear 332 to rotate, the rotating directions of the first gear 331 and the second gear 332 are opposite to the rotating direction of the first shade 41 when the first shade 41 is unfolded, the first gear 331 and the second gear 332 rotate to drive the first shade 41 to be folded, the fixing plate 51 moves close to the inner wall of the lampshade 1 under the action of the spring 52, the spring 52 gradually changes from stretching to original length, the second shade 42 changes from unfolding to folding under the action of the spring 52, the light-transmitting area of the opening of the lampshade 1 is enlarged, and the lighting range of the bulb 2 is enlarged.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. A lighting device convenient to adjust illumination scope which characterized in that: the LED lamp comprises a lampshade (1), a bulb (2) fixedly connected to the lampshade (1), an inner gear ring (31) rotatably connected to the lampshade (1), a mounting seat (32) fixedly connected to the lampshade (1), and a gear set (33) arranged on the mounting seat (32), wherein the gear set (33) comprises a first gear (331) rotatably connected to the mounting seat (32) and a second gear (332) rotatably connected to the mounting seat (32); the number of the gear sets (33) is two, and the two gear sets (33) are centrosymmetric around the axis of the ring gear (31); the first gear (331) and the second gear (332) are both fixedly connected with adjusting rods (34), and first shading sheets (41) are arranged on the adjusting rods (34); the first gear (331) is meshed with the ring gear (31), the first gear (331) is meshed with the second gear (332), and the second gear (332) is not meshed with the ring gear (31); one end of the first shading sheet (41) is fixedly connected to the inner wall of the lampshade (1), the other end of the first shading sheet is fixedly connected to the adjusting rod (34), and the first shading sheet (41) is arranged in a folding mode;
a second shading sheet (42) is arranged on the lampshade (1); the second light shading sheet (42) is positioned in a gap between the first gear (331) and the first light shading sheet (41) on the second gear (332) in the two gear sets (33), one end of the second light shading sheet (42) is fixedly connected to the inner wall of the lampshade (1), and the other end of the second light shading sheet is a free end.
2. A lighting device facilitating adjustment of an illumination range according to claim 1, wherein: a fixing plate (51) is fixedly connected to the free end of the second light-shielding sheet (42), a spring (52) is arranged on the lampshade (1), one end of the spring (52) is fixedly connected to the inner wall of the lampshade (1), the other end of the spring (52) is fixedly connected to the fixing plate (51), the second light-shielding sheet (42) is arranged in a folding mode, a first extending portion (341) is arranged on the adjusting rod (34), and the first extending portion (341) extends out of the first light-shielding sheet (41); a second extending part (511) is arranged on the fixing plate (51), and a second shading sheet (42) extends from the second extending part (511); the first extension portion (341) abuts against the second extension portion (511).
3. A lighting device for facilitating adjustment of an illumination range according to claim 2, wherein: a groove (5111) is formed in the second extending part (511); the first extension (341) is located within the groove (5111).
4. A lighting device as recited in claim 1, wherein said lighting device is adapted to adjust an illumination range, said lighting device further comprising: the side wall of the lampshade (1) is provided with heat dissipation holes (11).
5. A lighting device as recited in claim 1, wherein said lighting device is adapted to adjust an illumination range, said lighting device further comprising: a tooth groove part (311) is formed in the outer side wall of the inner gear ring (31), a through hole (12) is formed in the lampshade (1), an installation plate (6) is fixedly connected to the lampshade (1), and a motor (71) is fixedly connected to the installation plate (6); the output end of the motor (71) penetrates through the mounting plate (6) and is rotationally connected with the mounting plate (6), the output end of the motor (71) is fixedly connected with a driving gear (72), and the driving gear (72) is meshed with a tooth groove part (311) of the inner gear ring (31).
6. A lighting device for facilitating adjustment of an illumination range according to claim 2, wherein: a baffle (512) is fixedly connected to the fixed plate (51); the baffle (512) is positioned below the second shading sheet (42), and the baffle (512) is perpendicular to the fixing plate (51).
7. A lighting device as recited in claim 1, wherein said lighting device is adapted to adjust an illumination range, said lighting device further comprising: the second shading sheet (42) is positioned below the first shading sheets (41), and when the second shading sheet (42) is unfolded, the gap between the first shading sheets (41) can be completely shaded.
8. A lighting device as recited in claim 1, wherein said lighting device is adapted to adjust an illumination range, said lighting device further comprising: a transparent cover plate (8) is fixedly connected to the lampshade (1); the transparent cover plate (8) is positioned below the second shading sheet (42).
9. A lighting device as recited in claim 1, wherein said lighting device is adapted to adjust an illumination range, said lighting device further comprising: a reflective cup (9) is fixedly connected to the inner wall of the lampshade (1); the light reflecting cup (9) is positioned above the bulb (2).
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| CN202110311378.3A CN113048413B (en) | 2021-03-24 | 2021-03-24 | Lighting device convenient to adjust illumination scope |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110311378.3A CN113048413B (en) | 2021-03-24 | 2021-03-24 | Lighting device convenient to adjust illumination scope |
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| CN113048413A CN113048413A (en) | 2021-06-29 |
| CN113048413B true CN113048413B (en) | 2022-08-05 |
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| CN211976788U (en) * | 2020-03-30 | 2020-11-20 | 江苏富新电子照明科技有限公司 | Automobile LED headlamp capable of automatically adjusting light emission during meeting |
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Effective date of registration: 20221010 Address after: Room 1701, No. 68, Lane 2009, Caoyang Road, Putuo District, Shanghai 200000 Patentee after: Shanghai Yingtong Technology Co.,Ltd. Address before: 201100 room cb19-021, 1st floor, building 1, 1755 Hongmei South Road, Minhang District, Shanghai Patentee before: SHANGHAI YINGTONG LIGHTING ENGINEERING CO.,LTD. |