CN117570413A - Zenith type lighting shadowless lamp - Google Patents
Zenith type lighting shadowless lamp Download PDFInfo
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- CN117570413A CN117570413A CN202410057063.4A CN202410057063A CN117570413A CN 117570413 A CN117570413 A CN 117570413A CN 202410057063 A CN202410057063 A CN 202410057063A CN 117570413 A CN117570413 A CN 117570413A
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- rotating shaft
- rotating
- bulb
- shadowless lamp
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- 238000005286 illumination Methods 0.000 claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims description 35
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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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
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/14—Adjustable mountings
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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
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/14—Adjustable mountings
- F21V21/30—Pivoted housings or frames
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/20—Lighting for medical use
- F21W2131/205—Lighting for medical use for operating theatres
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a zenithal type illumination shadowless lamp, and belongs to the technical field of shadowless lamps. A zenithal illumination shadowless lamp, comprising: the lamp shade is provided with a plurality of groups of bulbs along the radial direction, and the bulbs are rotationally arranged on the inner side of the lamp shade through bulb holders; one end of the loop bar is arranged in the middle of the bottom side of the lampshade, and the other end of the loop bar extends outwards from the inner side of the lampshade; and the rotating assembly penetrates through the loop bar and is respectively in rotating fit with the loop bar and the lampshade, and the bulbs of each group are respectively connected with the rotating assembly through the linkage assembly. All bulbs in the shadowless lamp synchronously rotate to the direction close to the loop bar or far from the loop bar through the rotating component and the linkage component, so that the brightness is adjusted.
Description
Technical Field
The invention relates to the technical field of shadowless lamps, in particular to a zenith type lighting shadowless lamp.
Background
The operation shadowless lamp is used for illuminating an operation part, and reduces or eliminates the influence of shadows generated by heads, hands, instruments and the like on the operation part. In the operation process, because of the specificity of the operation wound surface and the endoscopic area of the operation wound surface, a shadow surface is still formed, at this time, the projection position of the shadowless lamp needs to be moved to improve the shadowless surface of the operation wound surface area, and in the operation process, a certain position sometimes needs to be intensively illuminated, but because the lamp heads of the shadowless lamp are scattered, enough illumination cannot be provided for a specific position.
In the prior art, the shadowless lamp shade is usually adopted to intensively illuminate in a way of expanding or contracting so as to strengthen or weaken the light of an operation part, at the moment, the shadowless lamp shade can be in a multi-piece type, two adjacent pieces are connected through an elastic material or are directly made of the elastic material, and in the use process, the original orientation of the shadowless lamp bulb can be changed due to elastic deformation, so that the orientation cannot be uniformly changed, and the illumination effect is poor when the shadowless lamp bulb is intensively illuminated at a certain position; the shadowless lamp shade is heavy, time and labor are wasted when the shadowless lamp shade is adjusted, and the integral shaking of the shadowless lamp or the integral position of the shadowless lamp is easily changed.
Disclosure of Invention
The invention aims to provide a zenithal type illumination shadowless lamp, which aims to solve the problems that the existing operation shadowless lamp is poor in concentrated illumination effect, and the concentrated illumination operation process is summarized to easily cause the whole of the shadowless lamp to shake or change the whole position of the shadowless lamp.
The technical scheme for solving the technical problems is as follows:
a zenithal illumination shadowless lamp, comprising:
the lamp shade is provided with a plurality of groups of bulbs along the radial direction, and the bulbs are rotationally arranged on the inner side of the lamp shade through bulb holders;
one end of the loop bar is arranged in the middle of the bottom side of the lampshade, and the other end of the loop bar extends outwards from the inner side of the lampshade;
the rotating assembly penetrates through the loop bar and is respectively in rotating fit with the loop bar and the lampshade, and bulbs of each group are respectively connected with the rotating assembly through the linkage assembly;
all bulbs synchronously rotate to the direction close to the loop bar or far from the loop bar through the rotating component and the linkage component, so that brightness adjustment is realized.
All the linkage components are driven by the same rotation component to rotate, so that all the bulbs can be linked, and the linkage direction is the direction close to the loop bar or the direction far away from the loop bar.
Further, the linkage assembly comprises a linkage rope and a spring; in the same group of bulbs, adjacent bulb holders are connected through a connecting rope, the bulb holder close to the loop bar is connected with the rotating assembly through the connecting rope, the bulb holder far away from the loop bar is connected with a spring through the connecting rope, and the spring is connected with the lampshade.
The linkage assembly is connected with two adjacent components through the connecting rope, the pre-tightening force of the connecting rope is provided through the springs, when the connecting rope is fully tightened, all bulbs are oriented to set positions, and when the rotating assembly rotates, all bulbs are driven to rotate, and at the moment, the springs stretch or shrink.
Further, the lampshade is provided with adjusting holes corresponding to the springs one by one, the adjusting holes are internally connected with spring seats in a threaded mode, and the springs are connected with the spring seats.
The spring is connected with the lampshade through the spring seat, and the spring seat is connected with the lampshade through threads, so that the stretching length of the spring can be adjusted when the spring seat is screwed, and the tension of the spring can be adjusted when the tension of the spring is reduced.
Further, the rotating assembly comprises an input rotating shaft, a plurality of transmission rotating shafts and an output rotating shaft which are sequentially arranged, and the input rotating shaft is connected with the adjacent transmission rotating shafts, the adjacent transmission rotating shafts and the output rotating shaft is connected with the adjacent transmission rotating shafts through a speed reducing assembly respectively; the input rotating shaft stretches into the loop bar and is in running fit with the loop bar, and the output rotating shaft stretches out of the loop bar and is in running fit with the lampshade.
The adjacent rotating shafts are connected through the speed reducing assembly, so that the rotation speed of the output shaft is reduced, the fine adjustment of the bulb position is realized, the influence of human factors on brightness adjustment is reduced, the reliability of adjustment is ensured, and the accuracy of brightness adjustment is improved.
Further, the speed reducing assembly comprises a plurality of planet gears and a plurality of pins; the planetary gear is respectively meshed with the outer side of the corresponding rotating shaft and the inner side of the loop bar, and the center of the planetary gear is connected with the next rotating shaft through a pin.
Further, in the same speed reducing assembly, the central lines of all the planetary gears form a first cylindrical surface, and the central lines of all the pins form a second cylindrical surface; the center lines of the first cylinder surface and the second cylinder surface are collinear with the center lines of the input rotating shaft, all the transmission rotating shafts and the output rotating shaft.
Further, along the direction in which the input rotating shaft, the plurality of transmission rotating shafts and the output rotating shaft are sequentially arranged, the upper rotating shaft stretches into the adjacent next rotating shaft and is in rotating fit with the next rotating shaft.
Further, the transmission rotating shaft and the output rotating shaft are both T-shaped shafts, the T-shaped tail parts of the transmission rotating shaft and the output rotating shaft face the lampshade, the pin is connected with the T-shaped head part of the corresponding rotating shaft, and sliding bearings are respectively arranged at two sides of the planet wheel.
Further, the lampshade is hollow and comprises an outer fastener and an inner fastener, wherein mounting seats which are in one-to-one correspondence with the bulb seats are arranged on the inner side walls of the outer fasteners, and clamping grooves are formed in the mounting seats; a clamping block is arranged at one end of the bulb seat, the bulb is connected to the other end of the bulb seat, and the clamping block is clamped with the clamping groove and enables the bulb seat to rotate along the direction of approaching to the loop bar or moving away from the loop bar;
the inner fastener is provided with through holes corresponding to the bulbs one by one, and the bulbs penetrate through the through holes and have gaps with the side surfaces of the through holes.
Further, the clamping groove is in a strip shape, and the cross section of the clamping groove is semicircular with a central angle larger than 180 degrees; or the clamping groove is in a spherical crown shape, and the section passing through the center of the circle is in a semicircle with a central angle larger than 180 degrees.
The invention has the following beneficial effects:
(1) All the linkage components are driven by the same rotation component to rotate, so that all the bulbs can be linked, and the linkage direction is the direction close to the loop bar or the direction far away from the loop bar.
(2) The invention has the advantages that each group of bulbs is connected together through the connecting rope and the springs, the connection mode is simple, the cost is low, the positions of the bulbs are fixed and adjusted through the springs and the rotating assembly, the adjustment mode is simple and reliable, and meanwhile, the springs can also adjust the tension of the springs through the spring seats, so that the service life of the shadowless lamp is ensured.
(3) The adjacent rotating shafts are connected through the speed reducing assembly, so that the rotation speed of the output rotating shaft is reduced, the fine adjustment of the bulb position is realized, the influence of human factors on brightness adjustment is reduced, the reliability of adjustment is ensured, and the accuracy of brightness adjustment is improved.
(4) The invention adopts the planet wheel to carry out multistage deceleration, the deceleration process is stable and reliable, the multistage transmission friction force is large, and the reverse rotation of the spring under the action of tension is avoided, thereby avoiding the reverse rotation of the bulb after adjustment.
Drawings
FIG. 1 is a schematic diagram of a zenithal illumination shadowless lamp of the present invention;
fig. 2 is an enlarged view of a portion a of fig. 1;
FIG. 3 is a schematic diagram of a connection structure between a mounting base and a bulb base according to the present invention;
fig. 4 is an enlarged view of a portion B of fig. 1.
In the figure: 10-a lampshade; 11-an outer fastener; 12-an inner fastener; 13-a mounting base; 14-clamping grooves; 15-through holes; 16-adjusting holes; 17-spring seat; 20-bulb; 30-bulb holder; 31-clamping blocks; 40-loop bar; a 50-turn assembly; 51-input shaft; 52-a transmission rotating shaft; 53-output shaft; 54-planet wheels; 55-pins; 60-linkage assembly; 61-connecting ropes; 62-spring.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
In the prior art, the lamp shade of the shadowless lamp is usually adopted to be expanded or contracted to intensively illuminate, but the illumination effect is poor due to the mode, and the problem that the integral shaking of the shadowless lamp or the integral position of the shadowless lamp is easily changed due to the integrated illumination operation process is summarized.
The zenithal illumination shadowless lamp of this embodiment includes: the lamp shade 10 having an arc shape as a whole, the loop bar 40 disposed at the concave position of the lamp shade 10, and the rotating assembly 50 disposed on the loop bar 40. The lamp shade 10 is equipped with multiunit bulb 20, and every bulb 20 of group is connected with rotating assembly 50 through linkage assembly 60 respectively, because all bulbs 20 are all connected with same rotating assembly 50 for all bulbs 20 can realize the linkage, and the linkage mode is: the direction approaching the loop bar 40 or the direction moving away from the loop bar 40. Compared with the existing mode of adjusting the lampshade of the shadowless lamp, the adjusting mode of the bulb is accurate and reliable, the problem of single bulb position change cannot occur, the concentrated lighting effect is good, the adjusting force is small, and the problem that the shadowless lamp integrally shakes or the integral position of the shadowless lamp is changed cannot be caused.
The inside of lamp shade 10 is the cavity, and it includes outer fastener 11 and interior fastener 12, and the inside wall of outer fastener 11 is equipped with multiunit mount pad 13, and every set of mount pad 13 all sets up along the radial of lamp shade 10, and adjacent two sets of mount pads 13 set up or crisscross the setting relatively, and specific setting mode is decided with bulb 20 size, luminance requirement etc.. The mounting seat 13 protrudes out of the inner side wall of the outer fastener 11, a clamping groove 14 is formed in one side, close to the inner fastener 12, of the mounting seat 13, the clamping groove 14 is of a strip shape, the extending direction of the clamping groove 14 is perpendicular to the axis of the lampshade 10, the cross section of the clamping groove 14 is semicircular with a central angle larger than 180 degrees, clamping installation is facilitated, and preferably, the central angle of the cross section of the clamping groove 14 is not larger than 200 degrees.
In other embodiments of the present invention, the slot 14 may also be spherical, and its cross-section passing through the center is a semicircle with a central angle greater than 180 °, preferably its central angle passing through the center is not greater than 200 °, where, to ensure the stability of the bulb socket 30, each set of bulbs 20 is connected to the rotating assembly 50 through at least 2 sets of linkage assemblies 60, respectively.
In order to improve the rigidity of the lampshade 10, the inner cavity of the lampshade 10 can be provided with a plurality of supporting bulges which can independently exist and are respectively connected with the outer fastener 11 and the inner fastener 12 through bolts; the supporting bulge can also be fixedly arranged on the inner fastener 12, and the supporting bulge is connected with the outer fastener 11 through a bolt at the moment; the supporting protrusions may also be fixedly provided on the outer fastening member 11, in which case the supporting protrusions are connected with the inner fastening member 12 by bolts.
The bulbs 20 are in one-to-one correspondence with the clamping grooves 14, and the bulbs 20 are connected with the corresponding clamping grooves 14 through bulb holders 30. One end of the bulb holder 30 is connected with the bulb 20, the other end of the bulb holder 30 is provided with a clamping block 31, and the shape and the size of the clamping block 31 are matched with those of the clamping groove 14, so that the clamping block 31 can be clamped in the clamping groove 14 and the clamping block 31 can rotate in the clamping groove 14, namely, when the clamping groove 14 is in a long strip shape, the clamping block 31 is also in a long strip shape, and when the clamping groove 14 is in a spherical crown shape, the clamping block 31 is also in a spherical crown shape. The inner fastener 12 of the lamp shade 10 is provided with through holes 15 corresponding to the bulbs 20 one by one, and when the bulbs 20 are connected with the bulb holders 30, gaps are reserved between the bulbs 20 and the corresponding through holes 15, so that the bulbs 20 can rotate in the through holes 15.
The axis of the loop bar 40 is consistent with the axis of the lamp shade 10, one end of the loop bar 40 extends to the inner side wall of the inner fastener 12 and is fixedly connected with the inner fastener 12, the other end of the loop bar 40 is provided with a mounting cavity and extends outwards from the inner side of the lamp shade 10, and the inner side wall of the mounting cavity is provided with inner teeth. In order to improve the connection firmness between the loop bar 40 and the inner fastening member 12, one end of the loop bar 40 connected with the inner fastening member 12 is tapered, so that the contact area between the loop bar 40 and the inner fastening member 12 is increased. The connection direction between the loop bar 40 and the inner fastening member 12 may be welding, bolting, etc.
The rotating assembly 50 includes an input shaft 51, a plurality of driving shafts 52, and an output shaft 53 sequentially disposed in a direction from the lamp housing 10 to the lamp housing 10. The input rotary shaft 51 extends into the installation cavity and is in running fit with the installation cavity through a rolling bearing, the input rotary shaft 51 is connected with the adjacent transmission rotary shafts 52, the adjacent two transmission rotary shafts 52 and the output rotary shaft 53 are connected with the adjacent transmission rotary shafts 52 through speed reducing assemblies, the output rotary shaft 53 penetrates through the loop bar 40 and extends into the lampshade 10, and the output rotary shaft 53 is in running fit with the outer fastener 11 and the inner fastener 12 through rolling bearings.
The transmission rotating shaft 52 and the output rotating shaft 53 are all T-shaped, and the T-shaped tail parts of the transmission rotating shaft 52 and the output rotating shaft 53 are close to the lampshade 10, and the T-shaped head parts of the transmission rotating shaft 52 and the output rotating shaft 53 are far away from the lampshade 10. Along the direction in which the input shaft 51, the plurality of drive shafts 52, and the output shaft 53 are sequentially arranged, the input shaft 51 extends into the T-shaped heads of the adjacent drive shafts 52 and is in rotary fit, the T-shaped tail of the previous drive shaft 52 extends into the T-shaped head of the next drive shaft 52 and is in rotary fit, and the T-shaped tail of the last drive shaft 52 extends into the T-shaped head of the output shaft 53 and is in rotary fit, so that the arrangement ensures that all the shafts can keep coincident at the rotary axes.
The speed reducing assembly comprises a plurality of planet gears 54 and a plurality of pins 55, and the number of the planet gears 54 corresponds to the number of the pins 55 one by one. External teeth are arranged on the outer side of the input rotating shaft 51 between the input rotating shaft 51 and the adjacent transmission rotating shaft 52, corresponding planetary gears 54 are respectively meshed with the external teeth of the input rotating shaft 51 and the internal teeth of the mounting cavity, and meanwhile, the pin 55 connects the center of the planetary gears 54 with the transmission rotating shaft 52 to realize linkage. Between two adjacent transmission rotating shafts 52, the outer side of the T-shaped tail part of the upper transmission rotating shaft 52 is provided with external teeth, corresponding planet gears 54 are respectively meshed with the external teeth of the upper transmission rotating shaft 52 and the internal teeth of the installation cavity, and meanwhile, the pin 55 connects the center of the planet gears 54 with the lower transmission rotating shaft 52 to realize linkage. Between the output rotating shaft 53 and the adjacent transmission rotating shaft 52, external teeth are arranged on the outer side of the T-shaped tail part of the transmission rotating shaft 52, corresponding planetary gears 54 are respectively meshed with the external teeth of the transmission rotating shaft 52 and the internal teeth of the installation cavity, and meanwhile, the center of each planetary gear 54 is connected with the output rotating shaft 53 by a pin 55 to realize linkage.
In the present embodiment, the number of the transmission shafts 52 is 2, and the number of the planetary gears 54 in the same group of the reduction assemblies is 3, and the planetary gears are uniformly spaced around the corresponding shafts; in other embodiments of the present invention, the number of driving shafts 52 may be 1, 3, 4, 5, etc., and the number of planetary gears 54 in the same group of reduction assemblies is at least 2, and obviously, the driving shafts 52 may not be provided, and the input shaft 51 and the output shaft 53 may be directly connected.
In this embodiment, in order to reduce friction during rotation, the two sides of all the planet wheels 54 are respectively provided with a planar sliding bearing provided with holes for the pins 55 to pass through when encountering the pins 55. It will be apparent that in other embodiments of the invention, the T-shaped tail outer sides of the input shaft 51 and the drive shaft 52 may be sleeved with cylindrical rotating bearings.
In the present embodiment, in the same deceleration assembly, the center lines of all the planetary gears 54 form a first cylindrical surface, and the center lines of all the pins 55 form a second cylindrical surface. The center lines of the first cylindrical surface and the second cylindrical surface are collinear with the center lines of the input shaft 51, all the transmission shafts 52, and the output shaft 53.
The linkage assembly 60 includes a linkage rope 61 and a spring 62. In the same group of bulbs 20, adjacent bulb holders 30 are connected through a connecting rope 61, the bulb holder 30 close to the sleeve rod 40 is connected with the output rotating shaft 53 through the connecting rope 61, the bulb holder 30 far away from the sleeve rod 40 is connected with a spring 62 through the connecting rope 61, and meanwhile, the spring 62 is connected with the lampshade 10. Under normal conditions, the spring 62 is under tension, having a certain tension, providing tension to the tie-line 61, while also fixing the position of the bulb holder 30.
When the input rotating shaft 51 rotates, the output rotating shaft 53 is driven to rotate, so that the connecting rope 61, close to the loop bar 40, in each group of bulbs 20 is wound on the output rotating shaft 53, and the bulb sockets 30 are driven to rotate towards the direction close to the loop bar 40; when the input rotary shaft 51 is reversely rotated, the bulb holder 30 straightens the coiled connecting rope 61 under the tension of the spring 62 and drives the bulb holder 30 to rotate in a direction away from the loop bar 40, thereby realizing linkage adjustment of the positions of all bulbs 20 and enhancing or weakening the light of the operation part.
Since the spring 62 is in a tensile state under normal conditions, the tension of the spring 62 can be weakened along with time, in order to adjust the tension of the spring 62, in this embodiment, the side wall of the lampshade 10 is provided with adjusting holes 16 corresponding to the springs 62 one by one, the adjusting holes 16 are internally connected with spring seats 17 through internal threads, the spring 62 is fixedly connected with the corresponding spring seats 17, and after the tension of the spring 62 is weakened, the tension of the spring 62 can be adjusted by screwing the spring seats 17 through auxiliary tools such as screwdrivers. To accommodate the tension adjustment of the springs 62, in other embodiments of the present invention, one bulb 20 of the same set of bulbs 20 is provided with a marking line, and the corresponding position of the lamp housing 10 is provided with an indication line corresponding to the marking line, so as to ensure the accuracy of adjustment.
To facilitate the periodic replacement of the spring 62 and the installation of the bulb holder 30, in the present embodiment, the inner fastening member 12 of the lamp housing 10 is bolted to the outer fastening member 11.
The bulb 20 of this embodiment rotates under the drive of same rotating assembly 50 for all bulbs 20 can link, and the direction of linking is the direction that is close to loop bar 40 or keeps away from loop bar 40, compares in the current mode through adjusting the shadowless lamp shade, and bulb 20's regulation mode is accurate, reliable, the problem that single bulb 20 position changes can not appear, concentrated illuminating effect is better, and the back is adjusted through reducing assembly to the rotation rate, the rotation rate of output pivot 53 is less, realize the fine setting to bulb 20 position, reduce the influence of human factor to brightness adjustment, ensure the reliability of regulation, improve brightness adjustment's accuracy, only need rotate input pivot 51 and can adjust moreover, the regulation dynamics is known in the dawn, can not cause the shadowless lamp to wholly rock or change the problem of shadowless lamp's overall position.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (10)
1. A zenithal illumination shadowless lamp, comprising:
the lamp shade (10), the said lamp shade (10) has multiple groups of bulbs (20) along radial direction, the said bulb (20) is set up in the inboard of the said lamp shade (10) through the bulb socket (30) rotation;
a loop bar (40), wherein one end of the loop bar (40) is arranged in the middle of the bottom side of the lampshade (10), and the other end of the loop bar (40) extends outwards from the inner side of the lampshade (10);
and a rotating assembly (50), wherein the rotating assembly (50) penetrates through the loop bar (40) and is respectively in rotating fit with the loop bar (40) and the lampshade (10), and the bulbs (20) of each group are respectively connected with the rotating assembly (50) through a linkage assembly (60);
all bulbs (20) synchronously rotate to a direction close to the loop bar (40) or away from the loop bar (40) through a rotating assembly (50) and a linkage assembly (60), so that brightness adjustment is realized.
2. The zenithal illumination shadowless lamp of claim 1, wherein said linkage assembly (60) comprises a coupling rope (61) and a spring (62); in the same group of bulbs (20), adjacent bulb sockets (30) are connected through the connecting rope (61), the bulb sockets (30) close to the loop bar (40) are connected with the rotating assembly (50) through the connecting rope (61), the bulb sockets (30) far away from the loop bar (40) are connected with the springs (62) through the connecting rope (61), and the springs (62) are connected with the lampshade (10).
3. The zenithal illumination shadowless lamp of claim 2, characterized in that said lamp housing (10) is provided with adjusting holes (16) corresponding to said springs (62) one by one, a spring seat (17) is connected to said adjusting holes (16) by internal threads, and said springs (62) are connected to said spring seat (17).
4. The zenithal illumination shadowless lamp of claim 2, characterized in that said rotation assembly (50) comprises an input rotation shaft (51), a plurality of transmission rotation shafts (52) and an output rotation shaft (53) which are sequentially arranged, and said input rotation shaft (51) and adjacent transmission rotation shafts (52), adjacent transmission rotation shafts (52) and said output rotation shaft (53) and adjacent transmission rotation shafts (52) are respectively connected by a speed reducing assembly; the input rotating shaft (51) stretches into the loop bar (40) and is in rotating fit with the loop bar (40), and the output rotating shaft (53) stretches out of the loop bar (40) and is in rotating fit with the lampshade (10).
5. The zenithal illumination shadowless lamp of claim 4, wherein said deceleration assembly comprises a number of planet wheels (54) and a number of pins (55); the planetary wheels (54) are respectively meshed with the outer side of the corresponding rotating shaft and the inner side of the loop bar (40), and the centers of the planetary wheels (54) are connected with the next rotating shaft through the pins (55).
6. Zenithal illumination shadowless lamp according to claim 5, characterized in that in the same deceleration assembly, the centre lines of all said planet wheels (54) form a first cylindrical surface and the centre lines of all said pins (55) form a second cylindrical surface; the central lines of the first cylindrical surface and the second cylindrical surface are collinear with the central lines of the input rotating shaft (51), all the transmission rotating shafts (52) and the output rotating shaft (53).
7. The zenithal illumination shadowless lamp of claim 5, wherein an upper rotating shaft extends into an adjacent next rotating shaft and is in rotating fit with the next rotating shaft along a direction in which said input rotating shaft (51), said plurality of transmission rotating shafts (52), and said output rotating shaft (53) are sequentially arranged.
8. The zenithal illumination shadowless lamp of claim 5, characterized in that said transmission shaft (52) and said output shaft (53) are both T-shaped shafts, the T-shaped tails of said transmission shaft (52) and said output shaft (53) are both directed toward said lamp housing (10), said pins (55) are connected with the T-shaped heads of the corresponding shafts, and both sides of said planetary wheels (54) are provided with sliding bearings, respectively.
9. The zenithal illumination shadowless lamp according to any of claims 1 to 8, characterized in that said lamp shade (10) is hollow and comprises an outer fastener (11) and an inner fastener (12), wherein the inner side wall of said outer fastener (11) is provided with mounting seats (13) corresponding to said bulb holders (30) one by one, said mounting seats (13) are provided with clamping grooves (14); one end of the bulb holder (30) is provided with a clamping block (31), the bulb (20) is connected to the other end of the bulb holder (30), the clamping block (31) is clamped with the clamping groove (14), and the bulb holder (30) is enabled to rotate along the direction close to the loop bar (40) or far away from the loop bar (40);
the inner fastener (12) is provided with through holes (15) corresponding to the bulbs (20) one by one, and the bulbs (20) penetrate through the through holes (15) and are provided with gaps with the side surfaces of the through holes (15).
10. The zenithal illumination shadowless lamp of claim 9, wherein said clamping groove (14) has a long strip shape with a semicircular cross section with a central angle larger than 180 °; or the clamping groove (14) is spherical crown-shaped, and the section passing through the center of the circle is semicircular with a central angle larger than 180 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410057063.4A CN117570413B (en) | 2024-01-16 | 2024-01-16 | Zenith type lighting shadowless lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410057063.4A CN117570413B (en) | 2024-01-16 | 2024-01-16 | Zenith type lighting shadowless lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117570413A true CN117570413A (en) | 2024-02-20 |
| CN117570413B CN117570413B (en) | 2024-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410057063.4A Active CN117570413B (en) | 2024-01-16 | 2024-01-16 | Zenith type lighting shadowless lamp |
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| Country | Link |
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| CN (1) | CN117570413B (en) |
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| CN207527389U (en) * | 2017-11-15 | 2018-06-22 | 温州飞灵灯饰有限公司 | A kind of indoor energy saving lamp of automatic photosensitive adjusting |
| CN208090432U (en) * | 2018-03-05 | 2018-11-13 | 苏州联桥医疗器械服务有限公司 | A kind of operation shadowless lamp with universal adjustment |
| CN113339717A (en) * | 2021-06-18 | 2021-09-03 | 深圳市兰谱芯科技有限公司 | Novel lamp string |
| CN216010745U (en) * | 2021-08-05 | 2022-03-11 | 山东平安永泰医用设备有限公司 | Novel LED operation shadowless lamp |
| CN218348492U (en) * | 2022-07-01 | 2023-01-20 | 山东铭泰医疗设备集团有限公司 | Shadowless lamp annular stairstepping multiple spot focus bulb mounting panel |
| CN219120391U (en) * | 2022-10-25 | 2023-06-02 | 深圳市旋彩电子有限公司 | Multifunctional LED light source |
| CN219955153U (en) * | 2023-04-19 | 2023-11-03 | 中国人民解放军总医院第三医学中心 | Shadowless lamp convenient to adjust |
| CN220205619U (en) * | 2023-07-24 | 2023-12-19 | 武汉科技大学 | LED operation shadowless lamp |
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2024
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| KR200244934Y1 (en) * | 2000-09-16 | 2001-09-25 | 이형호 | A small fish globe |
| CN207527389U (en) * | 2017-11-15 | 2018-06-22 | 温州飞灵灯饰有限公司 | A kind of indoor energy saving lamp of automatic photosensitive adjusting |
| CN208090432U (en) * | 2018-03-05 | 2018-11-13 | 苏州联桥医疗器械服务有限公司 | A kind of operation shadowless lamp with universal adjustment |
| CN113339717A (en) * | 2021-06-18 | 2021-09-03 | 深圳市兰谱芯科技有限公司 | Novel lamp string |
| CN216010745U (en) * | 2021-08-05 | 2022-03-11 | 山东平安永泰医用设备有限公司 | Novel LED operation shadowless lamp |
| CN218348492U (en) * | 2022-07-01 | 2023-01-20 | 山东铭泰医疗设备集团有限公司 | Shadowless lamp annular stairstepping multiple spot focus bulb mounting panel |
| CN219120391U (en) * | 2022-10-25 | 2023-06-02 | 深圳市旋彩电子有限公司 | Multifunctional LED light source |
| CN219955153U (en) * | 2023-04-19 | 2023-11-03 | 中国人民解放军总医院第三医学中心 | Shadowless lamp convenient to adjust |
| CN220205619U (en) * | 2023-07-24 | 2023-12-19 | 武汉科技大学 | LED operation shadowless lamp |
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|---|---|
| CN117570413B (en) | 2024-03-19 |
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