CN112682734A - Multi-functional projecting lamp convenient to adjust - Google Patents
Multi-functional projecting lamp convenient to adjust Download PDFInfo
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- CN112682734A CN112682734A CN202110069533.5A CN202110069533A CN112682734A CN 112682734 A CN112682734 A CN 112682734A CN 202110069533 A CN202110069533 A CN 202110069533A CN 112682734 A CN112682734 A CN 112682734A
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Abstract
The invention discloses a multifunctional projection lamp convenient to adjust, which comprises a base and a transverse plate, wherein two symmetrical support sleeves are fixedly connected to the upper end of the base, a support rod is slidably connected inside each support sleeve, the support rod is in contact with the base, a limit groove is formed in each support rod, a limit screw is connected inside each support sleeve through threads, the tail end of each limit screw is clamped with the limit groove, a rotating groove is formed in each support rod, a rotating block is rotatably connected inside each rotating groove, a lamp body is fixedly connected onto each rotating block, the lamp body is in contact with the support rod, a plurality of convex blocks are fixedly connected onto each rotating block, the plurality of convex blocks are uniformly distributed on the rotating blocks, and clamping grooves are formed in the rotating blocks. The invention relates to a multifunctional projection lamp convenient to adjust, which has the characteristics of convenience in adjustment and multiple functions.
Description
Technical Field
The invention belongs to the technical field of projection lamps, and particularly relates to a multifunctional projection lamp convenient to adjust.
Background
The projector is a lamp that specifies that the illuminance on the illuminated surface is higher than that in the surrounding environment. Also known as spotlights. In general, it can be aimed in any direction and has a structure that is not affected by the climatic conditions. The method is mainly used for large-area operation field mines, building outlines, stadiums, overpasses, monuments, parks, flower beds and the like. Thus, almost all large area lighting fixtures used outdoors can be considered as floodlights. The emergent beam angle of the projection lamp is wide and narrow, the variation range is between 0 and 180 degrees, and the beam is particularly narrow and is called a searchlight. But present projecting lamp has some problems: 1. the irradiation angle and height of the projection lamp are not convenient to adjust, and the operation of the projection lamp is influenced; 2. the projecting lamp is functional comparatively single.
The invention content is as follows:
the present invention is directed to solving the above problems by providing a multifunctional projector with easy adjustment, which solves the problems mentioned in the background art.
In order to solve the above problems, the present invention provides a technical solution:
the utility model provides a multi-functional projecting lamp convenient to adjust, includes base, diaphragm, the support cover of two symmetries of the upper end fixedly connected with of base, the inside sliding connection who supports the cover has the bracing piece, bracing piece and base contact, the spacing groove has been seted up on the bracing piece, there is stop screw in the inside of supporting the cover through threaded connection, stop screw's tail end and spacing groove joint, the rotation groove has been seted up to the inside of bracing piece, the inside rotation in rotation groove is connected with the turning block, fixedly connected with lamp body on the turning block, lamp body and bracing piece contact, fixedly connected with lug on the turning block, the quantity of lug is a plurality of, and is a plurality of the lug evenly distributed on the turning block, the draw-in groove has been seted up to the inside of turning block.
As preferred, the through-hole has been seted up to the inside of bracing piece, the inside sliding connection of through-hole has the gag lever post, gag lever post and draw-in groove joint, gag lever post and turning block contact, the solid fixed ring of fixedly connected with on the turning block, solid fixed ring and bracing piece contact, spacing seat has been cup jointed in the outside slip of gag lever post, spacing seat and bracing piece fixed connection, the fixed stopper that has cup jointed in the outside of gag lever post, stopper and spacing seat sliding connection, stopper and bracing piece contact, the outside of gag lever post is provided with first spring, the one end and the spacing seat contact of first spring, the other end and the stopper contact of first spring, fixedly connected with spacing ring on the gag lever post, spacing ring and spacing seat contact.
As preferred, the spout has been seted up on the support sleeve, the inside sliding connection of spout has the diaphragm, diaphragm and bracing piece fixed connection, there is the threaded rod inside of diaphragm through threaded connection, the upper end fixedly connected with swivel of threaded rod, the ring channel has been seted up on the threaded rod, the recess has been seted up to the inside of base, threaded rod and recess contact, the inside of recess is provided with the positioning seat, the inside sliding connection of positioning seat has the locating lever, locating lever and ring channel sliding connection, the fixed locating piece that has cup jointed in the outside of locating lever, locating piece and threaded rod contact, the outside of locating lever is provided with the second spring, the one end and the positioning seat contact of second spring, the other end and the locating piece contact of second spring.
Preferably, the transverse plate is fixedly connected with two symmetrical connecting boxes, the connecting boxes are hermetically hinged with box doors, an air pump is arranged on the outer side of the connecting box, an air inlet is arranged on the air pump, a collecting box is arranged in the connecting box, the interior of the connecting box is connected with a mounting plate in a sliding way, the mounting plate is provided with a filter screen, the interior of the mounting plate is connected with two symmetrical connecting rods in a sliding way, the connecting rod is provided with a connecting ring, the outer side of the connecting rod is provided with a third spring, two ends of the third spring are respectively contacted with the mounting plate and the connecting ring, the outer side of the connecting rod is sleeved with a connecting seat in a sliding way, the connecting seat is fixedly connected with a connecting box, the outside of connecting rod is provided with the fourth spring, the both ends of fourth spring contact with mounting panel and connecting seat respectively, a plurality of air outlets have been seted up at the top of connecting box.
Preferably, the swivel is fixedly connected with a handle, and the handle is made of a rubber material.
Preferably, a positioning ring is fixedly connected to the positioning rod, and the positioning ring is in contact with the positioning seat.
Preferably, an air outlet is formed in the air pump and connected into the connecting box.
Preferably, the lower end of the connecting rod is fixedly connected with a pull ring, and the pull ring is made of a rubber material.
The invention has the beneficial effects that: the invention relates to a multifunctional projection lamp convenient to adjust, which has the characteristics of convenience in adjustment and multiple functions, and has the following two beneficial effects compared with the traditional multifunctional projection lamp convenient to adjust in specific use:
firstly, the lamp body can rotate by designing the rotary connection of the rotating block and the rotating groove, the lamp bodies at different angles can be fixed by clamping the limiting rod and the clamping groove, and the lamp body can be driven by the supporting rod to move up and down by designing the sliding connection of the supporting rod and the supporting sleeve, so that the angle and the height of the lamp body can be more conveniently adjusted;
secondly, through the effect of design connecting box, the lamp body of accessible air outlet top to the top bloies the heat dissipation, can prevent that the lamp body from overheated leading to the lamp body to damage, and through the effect of filter screen, can filter the dust in the air, reaches air-purifying's effect for the projecting lamp has the multifunctionality, and through the effect of collecting box, can be convenient collect the processing to the dust of filtering.
Description of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a left side view of the support sleeve structure of FIG. 1 in accordance with the present invention;
FIG. 3 is an enlarged view of the portion A of FIG. 1 according to the present invention;
FIG. 4 is an enlarged view of the portion B of FIG. 1 according to the present invention;
FIG. 5 is a right side view of the rotating block structure of FIG. 3 in accordance with the present invention;
fig. 6 is a sectional view showing the structure of the connection box of fig. 1 according to the present invention.
In the figure: 1. a base; 2. a support sleeve; 3. a support bar; 4. a limiting groove; 5. a limit screw; 6. a rotating groove; 7. rotating the block; 8. a lamp body; 9. a bump; 10. a card slot; 11. a through hole; 12. a limiting rod; 13. a limiting seat; 14. a limiting block; 15. a first spring; 16. a limiting ring; 17. a fixing ring; 18. a chute; 19. a transverse plate; 20. a threaded rod; 21. rotating the ring; 22. a handle; 23. an annular groove; 24. a groove; 25. positioning seats; 26. positioning a rod; 27. positioning blocks; 28. a second spring; 29. a positioning ring; 30. a connecting box; 31. a box door; 32. an air pump; 33. an air inlet; 34. an exhaust port; 35. a collection box; 36. mounting a plate; 37. filtering with a screen; 38. a connecting rod; 39. a third spring; 40. a connecting ring; 41. a connecting seat; 42. a fourth spring; 43. a pull ring; 44. and (7) air outlet.
The specific implementation mode is as follows:
as shown in fig. 1 to 6, the following technical solutions are adopted in the present embodiment:
example (b):
a multifunctional projection lamp convenient to adjust comprises a base 1 and a transverse plate 19, wherein the upper end of the base 1 is fixedly connected with two symmetrical supporting sleeves 2, a support rod 3 is connected inside the support sleeve 2 in a sliding way, the support rod 3 is contacted with the base 1, a limit groove 4 is arranged on the support rod 3, a limit screw 5 is connected with the inside of the support sleeve 2 through screw threads, the tail end of the limit screw 5 is clamped with the limit groove 4, the support rod 3 is internally provided with a rotating groove 6, a rotating block 7 is rotatably connected inside the rotating groove 6, a lamp body 8 is fixedly connected on the rotating block 7, the lamp body 8 contacts with the support rod 3, fixedly connected with lug 9 on the turning block 7, the quantity of lug 9 is a plurality of, and is a plurality of lug 9 evenly distributed on the turning block 7, draw-in groove 10 has been seted up to the inside of turning block 7.
Wherein, the inside of the supporting rod 3 is provided with a through hole 11, the inside of the through hole 11 is connected with a limiting rod 12 in a sliding way, the limiting rod 12 is clamped with the clamping groove 10, the limiting rod 12 is contacted with the rotating block 7, the rotating block 7 is fixedly connected with a fixed ring 17, the fixing ring 17 is contacted with the support rod 3, the outer side of the limit rod 12 is sleeved with a limit seat 13 in a sliding way, the limiting seat 13 is fixedly connected with the support rod 3, the outer side of the limiting rod 12 is fixedly sleeved with a limiting block 14, the limiting block 14 is connected with the limiting seat 13 in a sliding way, the limiting block 14 is contacted with the supporting rod 3, a first spring 15 is arranged on the outer side of the limiting rod 12, one end of the first spring 15 is contacted with the limiting seat 13, the other end of the first spring 15 contacts with the limiting block 14, the limiting rod 12 is fixedly connected with a limiting ring 16, and the limiting ring 16 contacts with the limiting seat 13.
Wherein, the supporting sleeve 2 is provided with a sliding groove 18, the inside of the sliding groove 18 is connected with a transverse plate 19 in a sliding way, the transverse plate 19 is fixedly connected with the support rod 3, the inner part of the transverse plate 19 is connected with a threaded rod 20 through threads, the upper end of the threaded rod 20 is fixedly connected with a rotating ring 21, the threaded rod 20 is provided with an annular groove 23, a groove 24 is arranged inside the base 1, the threaded rod 20 is contacted with the groove 24, a positioning seat 25 is arranged in the groove 24, a positioning rod 26 is connected in the positioning seat 25 in a sliding manner, the positioning rod 26 is connected with the annular groove 23 in a sliding way, a positioning block 27 is fixedly sleeved on the outer side of the positioning rod 26, the positioning block 27 is contacted with the threaded rod 20, the outer side of the positioning rod 26 is provided with a second spring 28, one end of the second spring 28 contacts the positioning seat 25, and the other end of the second spring 28 contacts the positioning block 27.
Wherein, two symmetrical connecting boxes 30 are fixedly connected to the transverse plate 19, a box door 31 is hermetically hinged to the connecting box 30, an air pump 32 is arranged on the outer side of the connecting box 30, an air inlet 33 is arranged on the air pump 32, a collecting box 35 is arranged inside the connecting box 30, a mounting plate 36 is slidably connected to the inside of the connecting box 30, a filter screen 37 is arranged on the mounting plate 36, two symmetrical connecting rods 38 are slidably connected to the inside of the mounting plate 36, a connecting ring 40 is arranged on the connecting rod 38, a third spring 39 is arranged on the outer side of the connecting rod 38, two ends of the third spring 39 are respectively contacted with the mounting plate 36 and the connecting ring 40, a connecting seat 41 is slidably sleeved on the outer side of the connecting rod 38, the connecting seat 41 is fixedly connected with the connecting box 30, a fourth spring 42 is arranged on the outer side of the connecting rod 38, two ends of the fourth spring 42 are respectively contacted, the top of the connection box 30 is provided with a plurality of air outlets 44.
Wherein, the handle 22 is fixedly connected to the rotating ring 21, and the handle 22 is made of a rubber material.
Wherein, a positioning ring 29 is fixedly connected to the positioning rod 26, and the positioning ring 29 is in contact with the positioning seat 25.
Wherein, an air outlet 34 is arranged on the air pump 32, and the air outlet 34 is connected into the connecting box 30.
Wherein, the lower end of the connecting rod 38 is fixedly connected with a pull ring 43, and the pull ring 43 is made of a rubber material.
The using state of the invention is as follows: during the use, when the angle of shining of lamp body 8 needs to be adjusted, upwards stimulate spacing ring 16, spacing ring 16 drives gag lever post 12 and removes, can drive stopper 14 extrusion first spring 15 when gag lever post 12 removes, make gag lever post 12 and draw-in groove 10 separation simultaneously, then rotate lamp body 8, lamp body 8 drives turning block 7 and rotates, turning block 7 drives solid fixed ring 17 and rotates, after rotating lamp body 8 to suitable angle, loosen spacing ring 16, through the flexible effect of the first spring 15 of being compressed, can give a decurrent reaction force of gag lever post 12, gag lever post 12 moves downwards, make gag lever post 12 and another draw-in groove 10 joint, it is fixed to turning block 7 promptly to have accomplished, thereby reach the effect fixed to lamp body 8. When the height of lamp body 8 is adjusted to needs, rotate handle 22, handle 22 drives swivel 21 and rotates, swivel 21 drives threaded rod 20 and rotates, threaded connection through threaded rod 20 and diaphragm 19, make diaphragm 19 can the rebound, diaphragm 19 can slide in spout 18, diaphragm 19 can drive bracing piece 3 rebound simultaneously, bracing piece 3 can drive lamp body 8 rebound, thereby reach the effect of adjusting the height of lamp body 8, thereby make lamp body 8 be convenient for carry out the regulation of angle and height more. When the lamp body 8 works, the air pump 32 works simultaneously, the air pump 32 can suck in external air through the air inlet 33 and discharge the air into the connecting box 30 through the air outlet 34, the air in the connecting box 30 can be discharged through the air outlet 44, the air can be blown to the lamp body 8 through the air outlet 44, a heat dissipation effect can be achieved on the lamp body 8, the problem that the lamp body 8 is damaged due to long-time overheating of the lamp body 8 can be effectively solved, a filtering effect can be achieved on the air entering the connecting box 30 through the action of the filter screen 37, meanwhile, the purpose of purifying the air is achieved, filtered dust can fall into the collecting box 35, when wind force acts on the filter screen 37, the wind force can drive the mounting plate 36 to extrude the third spring 39 upwards, the mounting plate 36 can vibrate upwards and downwards through the telescopic action of the third spring 39, the effect of vibrating the filter screen 37 is achieved, and the blockage of the filter screen 37 can be effectively, and when dust needs to be collected and processed, through opening the box door 31, then pull ring 43 is pulled downwards, pull ring 43 drives connecting rod 38 to move downwards, connecting rod 38 can drive connecting ring 40 to extrude third spring 39 downwards, third spring 39 can extrude mounting panel 36 and drive mounting panel 36 to move downwards, mounting panel 36 can extrude fourth spring 42 downwards, through the telescopic action of compressed fourth spring 42, an upward reaction force can be given to mounting panel 36, make mounting panel 36 drive filter screen 37 shake from top to bottom, make the dust on the surface of filter screen 37 can be shaken off to collecting box 35, can be convenient through taking out collecting box 35 and collect the processing to the dust that filters out.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (8)
1. The utility model provides a multi-functional projecting lamp convenient to adjust, includes base (1), diaphragm (19), its characterized in that: the lamp is characterized in that two symmetrical support sleeves (2) are fixedly connected to the upper end of the base (1), a support rod (3) is connected to the inside of each support sleeve (2) in a sliding manner, the support rod (3) is in contact with the base (1), a limit groove (4) is formed in each support rod (3), a limit screw (5) is connected to the inside of each support sleeve (2) through threads, the tail end of each limit screw (5) is clamped with the corresponding limit groove (4), a rotating groove (6) is formed in each support rod (3), a rotating block (7) is rotatably connected to the inside of each rotating groove (6), a lamp body (8) is fixedly connected to each rotating block (7), the lamp body (8) is in contact with the support rods (3), lugs (9) are fixedly connected to each rotating block (7), the lugs (9) are distributed in a plurality and uniformly distributed on the rotating blocks (7), a clamping groove (10) is formed in the rotating block (7).
2. The multifunctional project lamp convenient to adjust according to claim 1, characterized in that: the supporting rod is characterized in that a through hole (11) is formed in the supporting rod (3), a limiting rod (12) is connected to the inside of the through hole (11) in a sliding mode, the limiting rod (12) is connected with a clamping groove (10) in a clamping mode, the limiting rod (12) is in contact with a rotating block (7), a fixing ring (17) is fixedly connected to the rotating block (7), the fixing ring (17) is in contact with the supporting rod (3), a limiting seat (13) is slidably sleeved on the outer side of the limiting rod (12), the limiting seat (13) is fixedly connected with the supporting rod (3), a limiting block (14) is fixedly sleeved on the outer side of the limiting rod (12), the limiting block (14) is slidably connected with the limiting seat (13), the limiting block (14) is in contact with the supporting rod (3), a first spring (15) is arranged on the outer side of the limiting rod (12), one end of the first spring (15) is in contact, the other end of the first spring (15) contacts with the limiting block (14), a limiting ring (16) is fixedly connected to the limiting rod (12), and the limiting ring (16) contacts with the limiting seat (13).
3. The multifunctional project lamp convenient to adjust according to claim 1, characterized in that: the supporting sleeve (2) is provided with a sliding groove (18), the sliding groove (18) is connected with a transverse plate (19) in a sliding manner, the transverse plate (19) is fixedly connected with the supporting rod (3), the transverse plate (19) is connected with a threaded rod (20) in a threaded manner, the upper end of the threaded rod (20) is fixedly connected with a rotating ring (21), the threaded rod (20) is provided with an annular groove (23), the base (1) is provided with a groove (24) in the inner portion, the threaded rod (20) is in contact with the groove (24), the groove (24) is provided with a positioning seat (25) in the inner portion, the positioning seat (25) is connected with a positioning rod (26) in a sliding manner, the positioning rod (26) is in sliding connection with the annular groove (23), a positioning block (27) is fixedly sleeved on the outer side of the positioning rod (26), and, a second spring (28) is arranged on the outer side of the positioning rod (26), one end of the second spring (28) is in contact with the positioning seat (25), and the other end of the second spring (28) is in contact with the positioning block (27).
4. The multifunctional project lamp convenient to adjust according to claim 1, characterized in that: the improved refrigerator door is characterized in that two symmetrical connecting boxes (30) are fixedly connected to the transverse plate (19), a refrigerator door (31) is hermetically hinged to each connecting box (30), an air pump (32) is arranged on the outer side of each connecting box (30), an air inlet (33) is formed in each air pump (32), a collecting box (35) is arranged inside each connecting box (30), a mounting plate (36) is slidably connected to the inside of each connecting box (30), a filter screen (37) is arranged on each mounting plate (36), two symmetrical connecting rods (38) are slidably connected to the inside of each mounting plate (36), a connecting ring (40) is arranged on each connecting rod (38), a third spring (39) is arranged on the outer side of each connecting rod (38), two ends of each third spring (39) are respectively in contact with the mounting plates (36) and the connecting ring (40), and a connecting seat (41) is slidably sleeved on the outer side, the air conditioner is characterized in that the connecting seat (41) is fixedly connected with the connecting box (30), a fourth spring (42) is arranged on the outer side of the connecting rod (38), two ends of the fourth spring (42) are respectively in contact with the mounting plate (36) and the connecting seat (41), and a plurality of air outlets (44) are formed in the top of the connecting box (30).
5. The multifunctional project lamp convenient to adjust of claim 3, characterized in that: the rotating ring (21) is fixedly connected with a handle (22), and the handle (22) is made of rubber.
6. The multifunctional project lamp convenient to adjust of claim 3, characterized in that: and the positioning rod (26) is fixedly connected with a positioning ring (29), and the positioning ring (29) is in contact with the positioning seat (25).
7. The multifunctional project lamp convenient to adjust according to claim 4, characterized in that: an air outlet (34) is formed in the air pump (32), and the air outlet (34) is connected into the connecting box (30).
8. The multifunctional project lamp convenient to adjust according to claim 4, characterized in that: the lower end of the connecting rod (38) is fixedly connected with a pull ring (43), and the pull ring (43) is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110069533.5A CN112682734A (en) | 2021-01-19 | 2021-01-19 | Multi-functional projecting lamp convenient to adjust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110069533.5A CN112682734A (en) | 2021-01-19 | 2021-01-19 | Multi-functional projecting lamp convenient to adjust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112682734A true CN112682734A (en) | 2021-04-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110069533.5A Pending CN112682734A (en) | 2021-01-19 | 2021-01-19 | Multi-functional projecting lamp convenient to adjust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112682734A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114704787A (en) * | 2022-03-09 | 2022-07-05 | 深圳鸿泰天地照明有限公司 | Hard lamp strip of rail mounted LED with adjustable |
| CN114877269A (en) * | 2022-05-18 | 2022-08-09 | 深圳市宇亮光电技术有限公司 | High-reliability high-power LED lamp bead with uniform light spots |
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| CN107420806A (en) * | 2017-10-10 | 2017-12-01 | 成都飞航沛腾科技有限公司 | A kind of LED projector lamp angle-regulation structure |
| CN207865247U (en) * | 2018-01-30 | 2018-09-14 | 勒德节能科技（天津）有限公司 | A kind of Projecting Lamp simply installed |
| CN210107214U (en) * | 2019-05-30 | 2020-02-21 | 深圳市雷川照明电器有限公司 | Rotatable LED pole setting lamp |
| CN210936234U (en) * | 2019-10-09 | 2020-07-07 | 苏州市相城区正旭电线电缆有限公司 | Dust removing device for manhole cover antenna |
| CN211418533U (en) * | 2019-11-15 | 2020-09-04 | 徐芳君 | Aluminum product conveying mechanism with good aluminum product processing stability |
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2021
- 2021-01-19 CN CN202110069533.5A patent/CN112682734A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420806A (en) * | 2017-10-10 | 2017-12-01 | 成都飞航沛腾科技有限公司 | A kind of LED projector lamp angle-regulation structure |
| CN207865247U (en) * | 2018-01-30 | 2018-09-14 | 勒德节能科技（天津）有限公司 | A kind of Projecting Lamp simply installed |
| CN210107214U (en) * | 2019-05-30 | 2020-02-21 | 深圳市雷川照明电器有限公司 | Rotatable LED pole setting lamp |
| CN210936234U (en) * | 2019-10-09 | 2020-07-07 | 苏州市相城区正旭电线电缆有限公司 | Dust removing device for manhole cover antenna |
| CN211418533U (en) * | 2019-11-15 | 2020-09-04 | 徐芳君 | Aluminum product conveying mechanism with good aluminum product processing stability |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114704787A (en) * | 2022-03-09 | 2022-07-05 | 深圳鸿泰天地照明有限公司 | Hard lamp strip of rail mounted LED with adjustable |
| CN114877269A (en) * | 2022-05-18 | 2022-08-09 | 深圳市宇亮光电技术有限公司 | High-reliability high-power LED lamp bead with uniform light spots |
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Application publication date: 20210420 |
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| RJ01 | Rejection of invention patent application after publication |