CN105782739A - LED (Light-Emitting Diode) lamp mechanism capable of omnibearing manual adjustment - Google Patents

LED (Light-Emitting Diode) lamp mechanism capable of omnibearing manual adjustment Download PDF

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Publication number
CN105782739A
CN105782739A CN201610272379.0A CN201610272379A CN105782739A CN 105782739 A CN105782739 A CN 105782739A CN 201610272379 A CN201610272379 A CN 201610272379A CN 105782739 A CN105782739 A CN 105782739A
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CN
China
Prior art keywords
fixed
gear ring
hole
vertical
led
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Granted
Application number
CN201610272379.0A
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Chinese (zh)
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CN105782739B (en
Inventor
付淑珍
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Guangdong Jiacheng Lighting Industry Co Ltd
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Individual
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/02Wall, ceiling, or floor bases; Fixing pendants or arms to the bases
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V14/00Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/02Controlling the distribution of the light emitted by adjustment of elements by movement of light sources
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V15/00Protecting lighting devices from damage
    • F21V15/02Cages
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/08Devices for easy attachment to any desired place, e.g. clip, clamp, magnet
    • F21V21/0816Strap fasteners, e.g. fasteners with a buckle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/08Devices for easy attachment to any desired place, e.g. clip, clamp, magnet
    • F21V21/096Magnetic devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14Adjustable mountings
    • F21V21/30Pivoted housings or frames

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Abstract

The invention discloses an LED (Light-Emitting Diode) lamp mechanism capable of omnibearing manual adjustment. The LED lamp mechanism comprises a base, wherein a vertical rotary shaft is hinged to the upper end surface of the base; the upper end of the vertical rotary shaft is fixedly provided with a rotary disc; the outer wall of the rotary disc is fixedly provided with an annular gear ring; one side of the gear ring is connected with a transmission rack in a meshed manner; the rack part of the transmission rack and the gear ring are located on the same horizontal surface; the base below the meshed point of the rack part and the gear ring is provided with a gear ring locking mechanism; the rotary disc is fixedly provided with two vertical plates; the vertical plates are hinged to an outer spline shaft; one end of the outer spline shaft extends out of one vertical plate and is fixedly sleeved with an adjustment disc; a lamp housing body is inserted on the outer spline shaft between the two vertical plates in a sleeving manner; LED lamp bodies are arranged in the lamp housing body; a connection through hole is formed in the lamp housing body; and an inner spline pipe is fixedly connected onto the connection through hole. By adopting the LED lamp mechanism, the irradiation angles in the horizontal direction and the vertical direction can be adjusted, and the irradiation range can be adjusted.

Description

A kind of LED mechanism of comprehensive manual adjustments
Technical field:
The present invention relates to the technical field that LED manufactures, be specifically related to the LED mechanism of a kind of comprehensive manual adjustments.
Background technology:
Existing LED is usually and is directly anchored on a position, and its range of exposures and irradiating angle all cannot be carried out regulating, it is impossible to meet the different needs of user, it is necessary to improved.
Because above-mentioned defect, the design people, actively in addition research and innovation, to founding the LED mechanism of the comprehensive manual adjustments of a kind of new structure so that it is have more the value in industry.
Summary of the invention:
The purpose of the present invention aims to solve the problem that prior art Problems existing, it is provided that a kind of irradiating angle that can regulate horizontal direction and vertical direction, and the LED mechanism of the comprehensive manual adjustments of scalable range of exposures.
nullThe present invention relates to the LED mechanism of a kind of comprehensive manual adjustments,Including base,The upper surface of described base is hinged with vertical rotating shaft,The upper end of described vertical rotating shaft is fixed with rotation dish,The outer wall of described rotation dish is fixed with the gear ring of an annular,The side engagement of described gear ring is connected to driving rack,The tooth-strip part of described driving rack and gear ring are in same level,Base below the meshing point of described tooth-strip part and gear ring is provided with gear ring retaining mechanism,Described gear ring retaining mechanism includes fixing seat、It is symmetricly set on two locking units on described fixing seat,The middle part of fixing seat forms downwardly projecting fixed block,Described fixed block is fixed on the upper surface of base,Fixing seat forms two vertical through holes symmetrical relative to fixed block,Described locking unit includes the check lock lever being arranged in described vertical through hole、It is fixed on the latch segment bottom described check lock lever、It is set in the back-moving spring of check lock lever lower end and is fixed on the permanent magnetic iron block bottom described latch segment,Described permanent magnetic iron block is adsorbed on the upper surface of base,On the upper surface of the lower end fixed locking block of described back-moving spring、Upper end is fixed on the bottom surface of fixing seat,Back-moving spring is in extended state;
Described rotation dish is fixed with two vertical plates, described vertical plate is hinged with male splined shaft, one of them vertical plate is stretched out in one end of described male splined shaft and fixed cover is provided with adjustment disk, described adjustment disk forms the grafting through hole of multiple circular array, the vertical plate sidewall of adjustment disk side forms a groove, the bottom interior wall of described groove forms an inserting groove, the gag lever post corresponding with described grafting through hole it is plugged with in described inserting groove, one end of described gag lever post is arranged with coil tension spring, one end of described coil tension spring is fixed on the sidewall of inserting groove, the other end is fixed on the outer wall of gag lever post;Male splined shaft upper sleeve between two vertical plates has lamp housing, it is provided with LED lamp in described lamp housing, forming connection through hole on described lamp housing, described connection through hole is fixedly connected with internal spline tube, described internal spline tube sleeve matches on described male splined shaft and with male splined shaft.
nullBy technique scheme,The present invention is in use,By promoting driving rack,Driving rack is made to drive the ring gear against rotation on rotation dish,Thus driving turn disc,Thus the LED lamp in the lamp housing realized on rotation dish realizes the adjustment of irradiating angle in the horizontal direction,To when adjusting suitable irradiating angle,By the permanent magnet blocks of the locking unit of gear ring retaining mechanism is firmly lifted up,Permanent magnet blocks is not adsorbed on base,Now under the effect of the back-moving spring originally stretched,Latch segment moves up,Check lock lever is driven to move up in the vertical through hole of fixing seat,Two symmetrical check lock levers are move upwardly until the sleeve meshing point place at gear ring Yu driving rack,Thus locking gear ring and driving rack,The position making rotation dish is fixed,Thus fixing LED lamp irradiating angle in the horizontal direction;When needing the irradiating angle adjusting LED lamp in the vertical direction, only need to stir adjustment disk, adjustment disk drives male splined shaft to rotate on vertical plate, thus driving lamp housing and LED lamp in the vertical direction to rotate, to when adjusting suitable irradiating angle, by pulling gag lever post, gag lever post is made to be stretched by coil tension spring and be displaced outwardly in the inserting groove of vertical plate upper groove, until in the grafting through hole that to be plugged on adjustment disk corresponding with gag lever post position of one end of gag lever post, gag lever post inserting groove spacing under cannot move, thus the position of adjustment disk is carried out spacing, thus the irradiating angle of fixing LED lamp in the vertical direction;When adjusting LED lamp range of exposures on male splined shaft, only need to promote lamp housing, lamp housing is by being fixed on coordinating of its internal spline tube connecting in through hole and male splined shaft so that it is dynamic that lamp housing carrys out travelling backwards on male splined shaft, thus adjusting the range of exposures of LED lamp.
By such scheme, the LED mechanism of the present invention can manual adjustments LED lamp in the horizontal direction with the irradiating angle of vertical direction, and scalable range of exposures, it is achieved omnibearing adjustment, regulate simple and convenient.
One as such scheme is preferred, described driving rack is arranged on lifting seat, and described lifting seat is fixed on base, and the upper surface of lifting seat forms gathering sill, the bottom of driving rack is arranged in described gathering sill, and one end of driving rack forms driving handle.By such scheme, being operated by described driving handle to make driving rack move forward and backward in the gathering sill of lifting seat, thus driving the ring gear against rotation engaged with driving rack, and then driving turn disc.
One as such scheme is preferred, and described connection forming through holes is in the bottom of lamp housing, and the upper end of lamp housing is provided with implosion guard cover plate, and described LED lamp is arranged on described implosion guard cover plate and is connected between through hole.
One as such scheme is preferred, and the upper surface of described rotation dish is fixed with control main frame, is provided with the accumulator being connected and controls mainboard in described control main frame, and the connecting line of described LED lamp is connected with described control mainboard.
One as such scheme is preferred, and the groove of vertical plate is stretched out and corresponding with described grafting through hole in one end of described gag lever post.
One as such scheme is preferred, and the plurality of grafting through hole is evenly distributed on adjustment disk ringwise.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention, and can be practiced according to the content of description, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.
Accompanying drawing illustrates:
The following drawings is only intended to, in the present invention being schematically illustrated and explaining, not delimit the scope of the invention.Wherein:
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the partial structurtes schematic diagram of Fig. 1;
Fig. 3 is the side view of Fig. 2;
Fig. 4 is the partial sectional view of Fig. 1;
Fig. 5 is the partial structurtes schematic diagram of the sectional view of the line A-A in Fig. 4;
Fig. 6 is another partial sectional view of Fig. 1;
Fig. 7 is the structural representation in the present invention between driving rack and lifting seat.
Detailed description of the invention:
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following example are used for illustrating the present invention, but are not limited to the scope of the present invention.
nullReferring to Fig. 1 to Fig. 3,The LED mechanism of a kind of comprehensive manual adjustments of the present invention,Including base 10,The upper surface of described base is hinged with vertical rotating shaft 20,The upper end of described vertical rotating shaft is fixed with rotation dish 30,The outer wall of described rotation dish is fixed with the gear ring 31 of an annular,The side engagement of described gear ring is connected to driving rack 40,The tooth-strip part of described driving rack and gear ring 31 are in same level,Base 10 below the meshing point of described tooth-strip part and gear ring 31 is provided with gear ring retaining mechanism 50,Described gear ring retaining mechanism 50 includes fixing seat 51、It is symmetricly set on two locking units 52 on described fixing seat,The middle part of fixing seat 51 forms downwardly projecting fixed block 511,Described fixed block is fixed on the upper surface of base 10,Fixing seat 51 forms two vertical through holes 512 symmetrical relative to fixed block,Described locking unit 52 includes the check lock lever 521 being arranged in described vertical through hole 512、It is fixed on the latch segment 522 bottom described check lock lever、It is set in the back-moving spring 523 of check lock lever lower end and is fixed on the permanent magnetic iron block 524 bottom described latch segment,Described permanent magnetic iron block is adsorbed on the upper surface of base 10,On the upper surface of the lower end fixed locking block 522 of described back-moving spring 523、Upper end is fixed on the bottom surface of fixing seat 51,Back-moving spring 523 is in extended state.
nullReferring to Fig. 1、Fig. 6,Described rotation dish 30 is fixed with two vertical plates 32,Described vertical plate is hinged with male splined shaft 60,One of them vertical plate 32 is stretched out in one end of described male splined shaft and fixed cover is provided with adjustment disk 70,Described adjustment disk forms the grafting through hole 71 of multiple circular array,The plurality of grafting through hole is evenly distributed on adjustment disk 70 ringwise,Vertical plate 32 sidewall of adjustment disk 71 side forms a groove 321,The bottom interior wall of described groove forms an inserting groove 322,The gag lever post 80 corresponding with described grafting through hole 71 it is plugged with in described inserting groove,The groove 321 of vertical plate 32 is stretched out and corresponding with described grafting through hole 71 in one end of described gag lever post,One end of gag lever post 80 is arranged with coil tension spring 81,One end of described coil tension spring is fixed on the sidewall of inserting groove 322、The other end is fixed on the outer wall of gag lever post 80.
nullReferring to Fig. 1、Fig. 4、Fig. 5,Male splined shaft 60 upper sleeve between two vertical plates 32 has lamp housing 90,LED lamp 91 it is provided with in described lamp housing,Described lamp housing forms connection through hole 911,Described connection forming through holes is in the bottom of lamp housing 90,The upper end of lamp housing 90 is provided with implosion guard cover plate 92,Described LED lamp 91 is arranged on described implosion guard cover plate 92 and is connected between through hole 911,Connect and through hole is fixedly connected with internal spline tube 93,Described internal spline tube sleeve matches on described male splined shaft 60 and with male splined shaft 60,The upper surface of described rotation dish 30 is fixed with control main frame 33,Described control main frame is provided with the accumulator (not shown) being connected and controls mainboard (not shown),The connecting line 912 of described LED lamp 91 is connected with described control mainboard.
Referring to Fig. 7, described driving rack 40 is arranged on lifting seat 41, and described lifting seat is fixed on base 10, and the upper surface of lifting seat 41 forms gathering sill 411, the bottom of driving rack 40 is arranged in described gathering sill 411, and one end of driving rack 40 forms driving handle 42.
nullThe present invention is in the specific implementation,By promoting driving rack 40,Driving rack is made to drive the gear ring 31 on rotation dish 30 to rotate,Thus driving rotation dish 30 to rotate,Thus the LED lamp 91 in the lamp housing 90 realized on rotation dish 30 realizes the adjustment of irradiating angle in the horizontal direction,To when adjusting suitable irradiating angle,By the permanent magnet blocks 524 of the locking unit 52 of gear ring retaining mechanism 50 is firmly lifted up,Permanent magnet blocks 524 is not adsorbed on base 10,Now under the effect of the back-moving spring 523 originally stretched,Latch segment 522 moves up,Check lock lever 521 is driven to move up in the vertical through hole 512 of fixing seat 51,Two symmetrical check lock levers 521 are move upwardly until the sleeve meshing point place at gear ring 51 with driving rack 40,Thus locking gear ring 31 and driving rack 40,The position making rotation dish 30 is fixed,Thus fixing LED lamp 91 irradiating angle in the horizontal direction.
When needing the irradiating angle adjusting LED lamp 91 in the vertical direction, only need to stir adjustment disk 70, adjustment disk drives male splined shaft 60 to rotate on vertical plate 32, thus driving lamp housing 90 and LED lamp 91 in the vertical direction to rotate, to when adjusting suitable irradiating angle, by pulling gag lever post 80, coil tension spring 81 is stretched by gag lever post and is displaced outwardly in the inserting groove 322 of vertical plate 32 upper groove 321, until in the grafting through hole 81 that to be plugged on adjustment disk 70 corresponding with gag lever post 80 position of one end of gag lever post 80, gag lever post 80 inserting groove 322 spacing under cannot move, thus the position of adjustment disk 70 is carried out spacing, thus the irradiating angle of fixing LED lamp 91 in the vertical direction.
When adjusting the LED lamp 91 range of exposures on male splined shaft 60, only need to promote lamp housing 90, lamp housing 90 is by being fixed on coordinating of its internal spline tube 93 connecting in through hole 911 and male splined shaft 60, lamp housing 90 is moved back and forth on male splined shaft 60, thus adjusting the range of exposures of LED lamp 91.
In sum, the LED mechanism of the present invention can manual adjustments LED lamp in the horizontal direction with the irradiating angle of vertical direction, and scalable range of exposures, it is achieved omnibearing adjustment, regulate simple and convenient.
The LED mechanism of comprehensive manual adjustments provided by the present invention; it is only the specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; any those familiar with the art is in the technical scope that the invention discloses; change can be readily occurred in or replace, all should be encompassed within scope.Therefore, protection scope of the present invention should be as the criterion with described scope of the claims.

Claims (6)

1. a LED mechanism for comprehensive manual adjustments, including base (10), it is characterised in that:
nullThe upper surface of described base (10) is hinged with vertical rotating shaft (20),The upper end of described vertical rotating shaft is fixed with rotation dish (30),The outer wall of described rotation dish is fixed with the gear ring (31) of an annular,The side engagement of described gear ring is connected to driving rack (40),The tooth-strip part of described driving rack and gear ring (31) are in same level,Base (10) below the meshing point of described tooth-strip part and gear ring (31) is provided with gear ring retaining mechanism (50),Described gear ring retaining mechanism includes fixing seat (51)、It is symmetricly set on two locking units (52) on described fixing seat,The middle part of fixing seat (51) forms downwardly projecting fixed block (511),Described fixed block is fixed on the upper surface of base (10),Fixing seat (51) forms two vertical through holes (512) symmetrical relative to fixed block (511),Described locking unit (52) includes the check lock lever (521) being arranged in described vertical through hole (512)、It is fixed on the latch segment (522) bottom described check lock lever、It is set in the back-moving spring (523) of check lock lever lower end and is fixed on the permanent magnetic iron block (524) bottom described latch segment,Described permanent magnetic iron block is adsorbed on the upper surface of base (10),On the upper surface of the lower end fixed locking block (522) of described back-moving spring (523)、Upper end is fixed on the bottom surface of fixing seat (51),Back-moving spring (523) is in extended state;
Described rotation dish (30) is fixed with two vertical plates (32), described vertical plate is hinged with male splined shaft (60), one of them vertical plate (32) is stretched out in one end of described male splined shaft and fixed cover is provided with adjustment disk (70), described adjustment disk forms the grafting through hole (71) of multiple circular array, vertical plate (32) sidewall of adjustment disk (70) side forms a groove (321), the bottom interior wall of described groove forms an inserting groove (322), the gag lever post (80) corresponding with described grafting through hole (71) it is plugged with in described inserting groove, one end of described gag lever post is arranged with coil tension spring (81), one end of described coil tension spring is fixed on the sidewall of inserting groove (322), the other end is fixed on the outer wall of gag lever post (80);Male splined shaft (60) upper sleeve between two vertical plates (32) has lamp housing (90), LED lamp (91) it is provided with in described lamp housing, described lamp housing forms connection through hole (911), being fixedly connected with internal spline tube (93) on described connection through hole, described internal spline tube sleeve is upper at described male splined shaft (60) and matches with male splined shaft (60).
2. the LED mechanism of comprehensive manual adjustments according to claim 1, it is characterized in that: described driving rack (40) is arranged on lifting seat (41), described lifting seat is fixed on base (10), the upper surface of lifting seat (41) forms gathering sill (411), the bottom of driving rack (40) is arranged in described gathering sill (411), and one end of driving rack (40) forms driving handle (42).
3. the LED mechanism of comprehensive manual adjustments according to claim 1, it is characterized in that: described connection through hole (911) is molded over the bottom of lamp housing (90), the upper end of lamp housing is provided with implosion guard cover plate (92), and described LED lamp (91) is arranged on described implosion guard cover plate (92) and is connected between through hole (911).
4. the LED mechanism of comprehensive manual adjustments according to claim 1, it is characterized in that: the upper surface of described rotation dish (30) is fixed with control main frame (33), being provided with the accumulator being connected in described control main frame and control mainboard, the connecting line (912) of described LED lamp (91) is connected with described control mainboard.
5. the LED mechanism of comprehensive manual adjustments according to claim 1, it is characterised in that: the groove (321) of vertical plate (32) is stretched out and corresponding with described grafting through hole (71) in one end of described gag lever post (80).
6. the LED mechanism of comprehensive manual adjustments according to claim 1, it is characterised in that: the plurality of grafting through hole (71) is evenly distributed on adjustment disk (70) ringwise.
CN201610272379.0A 2016-04-27 2016-04-27 A kind of comprehensive LED light mechanism manually adjusted Active CN105782739B (en)

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CN201610272379.0A CN105782739B (en) 2016-04-27 2016-04-27 A kind of comprehensive LED light mechanism manually adjusted

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Application Number Priority Date Filing Date Title
CN201610272379.0A CN105782739B (en) 2016-04-27 2016-04-27 A kind of comprehensive LED light mechanism manually adjusted

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CN105782739B CN105782739B (en) 2019-01-08

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107023770A (en) * 2017-06-05 2017-08-08 佛山科瑞菲新能源科技有限公司 A kind of hand adjustable LED desk lamp

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100757756B1 (en) * 2007-06-26 2007-09-11 (주)삼진이아이씨 Rail-type elevating lighting tower
US20100254147A1 (en) * 2009-04-03 2010-10-07 Frank Tsao Lighting fixture with angle adjustment arrangement
CN204313119U (en) * 2014-12-10 2015-05-06 深圳市迪尚一电子科技有限公司 A kind of biological growth lamp
CN204806093U (en) * 2015-06-16 2015-11-25 悉地(北京)国际建筑设计顾问有限公司 Rotatory lamps and lanterns
CN205579202U (en) * 2016-04-27 2016-09-14 付淑珍 LED lamp mechanism of all -round manual regulation

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100757756B1 (en) * 2007-06-26 2007-09-11 (주)삼진이아이씨 Rail-type elevating lighting tower
US20100254147A1 (en) * 2009-04-03 2010-10-07 Frank Tsao Lighting fixture with angle adjustment arrangement
CN204313119U (en) * 2014-12-10 2015-05-06 深圳市迪尚一电子科技有限公司 A kind of biological growth lamp
CN204806093U (en) * 2015-06-16 2015-11-25 悉地(北京)国际建筑设计顾问有限公司 Rotatory lamps and lanterns
CN205579202U (en) * 2016-04-27 2016-09-14 付淑珍 LED lamp mechanism of all -round manual regulation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107023770A (en) * 2017-06-05 2017-08-08 佛山科瑞菲新能源科技有限公司 A kind of hand adjustable LED desk lamp

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