CN107036014B - Adjustable LED down lamp - Google Patents
Adjustable LED down lamp Download PDFInfo
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- CN107036014B CN107036014B CN201710458560.5A CN201710458560A CN107036014B CN 107036014 B CN107036014 B CN 107036014B CN 201710458560 A CN201710458560 A CN 201710458560A CN 107036014 B CN107036014 B CN 107036014B
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- lamp body
- lamp
- hole
- bottom plate
- guide groove
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
- F21S8/026—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a ceiling or like overhead structure, e.g. suspended ceiling
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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
-
- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/001—Arrangement of electric circuit elements in or on lighting devices the elements being electrical wires or cables
- F21V23/002—Arrangements of cables or conductors inside a lighting device, e.g. means for guiding along parts of the housing or in a pivoting arm
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses an adjustable LED down lamp, which comprises: the LED module is arranged in the lamp shell; the lamp shell comprises a bottom plate, the LED module comprises a lamp body, and the lamp body can be horizontally and vertically connected to the bottom plate in a rotating mode. The lamp body is provided with the shell and the junction box, so that the protection of a line is realized, the service life of the lamp body is prolonged, the adjustment of the light irradiation position is met through the horizontal rotation and the vertical rotation of the LED module, and the down lamp does not need to be refitted again.
Description
Technical Field
The invention relates to the field of lamplight illumination, in particular to an adjustable LED down lamp.
Background
An LED (Light Emitting Diode) is a solid-state semiconductor device that can directly convert electricity into Light. As a new solid-state light source, LEDs have been widely used in various fields of life and production, especially in the field of scene lighting (theatres, cinemas, stage lights).
However, the angle of the existing LED lamp can not be adjusted generally, after the LED lamp is installed according to the designed installation position, when the irradiation direction and angle of the LED lamp are required to be adjusted to achieve the purpose of special illumination, the angle of the LED lamp is inconvenient to adjust, if the irradiation direction is required to be changed, the ceiling and the installation position of the LED lamp are required to be redesigned and installed again, the steps are complex, and the engineering quantity is huge.
Meanwhile, the existing LED lamp is generally exposed in the external environment, the lamp body and the circuit of the LED lamp are easily corroded by the external environment and damaged and aged, the service life of the lamp body is greatly shortened, and the LED lamp is not beneficial to long-term use of the lamp body.
Disclosure of Invention
Aiming at overcoming the defects in the prior art, the invention mainly aims to overcome the defects in the prior art and discloses an adjustable LED down lamp, which comprises: the LED module is arranged in the lamp shell;
the lamp shell comprises a bottom plate, the LED module comprises a lamp body, and the lamp body can be horizontally and vertically connected to the bottom plate in a rotating mode.
Furthermore, the LED module also comprises a lamp body supporting block, a guide groove block and a fixing ring, wherein the lamp body is fixed on the lamp body supporting block, the guide groove block is fixed on the fixing ring, the lamp body supporting block can be vertically and rotatably connected with the guide groove block, and the fixing ring can be horizontally and rotatably connected on the bottom plate.
Still further, the lamp envelope further comprises: the connector comprises a shell, a junction box and a sliding bracket; the shell is arranged on the bottom plate and forms a cavity for accommodating the LED module, the sliding support is fixed on the bottom plate and is in sliding connection with the bottom plate, and the junction box is arranged on the bottom plate.
Furthermore, the lamp body supporting block comprises a lamp body supporting seat and two lamp body supporting plates vertically extending from two sides of the lamp body supporting seat, and each lamp body supporting plate is provided with a connecting column;
the guide groove block comprises two guide groove plates which are arranged in parallel and a fixed plate which is connected with the two guide groove plates, each guide groove plate is provided with two arc-shaped guide grooves corresponding to the positions of the connecting columns, and the connecting columns are arranged in the arc-shaped guide grooves in a sliding mode;
the lamp body is fixedly arranged on the lamp body supporting plate.
Furthermore, a through hole is formed in the bottom plate, and the fixing ring is rotatably arranged on the through hole;
a first stop block is arranged on one surface of the bottom plate close to the shell; the LED module also comprises a first elastic sheet and a second elastic sheet which are connected with the guide groove block and the fixed ring and are symmetrically arranged, a second stop block is arranged outside the first elastic sheet, the horizontal height of the second stop block is overlapped with the horizontal height of the first stop block, and,
the horizontal distance between the outer side of the second stopper and the edge of the through-hole is greater than the horizontal distance between the inner side of the first stopper and the edge of the through-hole, an
The horizontal distance between the inner side of the second stop block and the edge of the through hole is smaller than the horizontal distance between the outer side of the first stop block and the edge of the through hole.
Furthermore, the fixed ring comprises an annular retainer ring and a cylindrical inner ring which vertically extends from the inner ring of the retainer ring, the outer diameter of the retainer ring is larger than the diameter of the through hole,
the cylindrical inner ring penetrates into the through hole, and the first elastic sheet and the second elastic sheet are elastic pieces capable of clamping the fixing ring in the through hole.
Furthermore, two support lugs symmetrically extending out are arranged at the upper part of the cylindrical inner ring and are fixedly connected with the guide groove block.
Furthermore, the arc length of the arc-shaped guide groove corresponds to a sector angle of not more than 30 degrees.
Furthermore, the lamp shell also comprises a lamp ring; the periphery of the through hole is provided with a mounting hole for mounting the lamp ring, and the lamp ring is arranged on one side of the bottom plate back to the shell.
Furthermore, the spring plate also comprises a second spring plate which is arranged symmetrically with the first spring plate, the first spring plate and the second spring plate are both L-shaped, the L-shaped comprises a vertical part and a horizontal extension part,
symmetrical convex through holes are formed in the fixing ring, and the horizontal extending parts of the first elastic sheet and the second elastic sheet are respectively and telescopically buckled in the convex through holes;
the second stop block is arranged at the lower part of the vertical part of the first elastic sheet.
Furthermore, the lower edge of the lamp body is provided with an adjusting hole for further assisting in adjusting the irradiation angle of the lamp body.
When the LED module is installed, the LED module is connected with the junction box, the LED module is plugged into the lamp housing, the fixing ring of the LED module is in contact with the bottom plate, the fixing ring is in sliding clamping connection with the through hole of the bottom plate, the elastic sheets on the two sides are pushed outwards, the LED module is fixed and can horizontally rotate, and the LED module can only rotate within 359 degrees under the action of the first stop block and the second stop block, so that the infinite rotation knotting of the wiring of the LED module can not be caused when the LED module rotates. The lamp housing is arranged at a required position through the adjusting bracket, the lamp housing is adjusted along the adjusting bracket in a horizontal moving mode according to a subsequent installation position, the lamp ring is connected with the installation hole in the bottom plate through the spring, and the function of external attractiveness can be achieved.
The invention has the beneficial effects that:
the lamp body is provided with the shell and the junction box, so that the protection of a line is realized, the service life of the down lamp is prolonged, the LED module can be horizontally rotated by 359 degrees through the fixing ring, the lamp body in the LED module can be vertically rotated by 30 degrees through the arc-shaped guide groove, the adjustment of the light irradiation position is met, and the down lamp does not need to be refitted again.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural view of a lamp housing according to the present invention;
FIG. 2 is a schematic structural diagram of the middle base plate;
FIG. 3 is a schematic structural diagram of an LED module according to the present invention;
FIG. 4 is a schematic structural view of a retainer ring according to the present invention;
FIG. 5 is a schematic structural view of a channel block according to the present invention;
FIG. 6 is a schematic view of a lamp body support block according to the present invention;
FIG. 7 is a schematic structural view of a spring plate according to the present invention;
fig. 8 is a bottom view of the LED module of the present invention.
The lamp body comprises a base plate, a shell, a connecting box, a regulating support, a sliding support, a bottom plate, a lamp ring, a through hole, 8, a mounting hole, 9, a first stop block, 10, a lamp body, 11, a lamp body supporting block, 12, a guide groove block, 13, a first elastic sheet, 14, a second stop block, 15, a fixing ring, 16, a supporting lug, 17, a convex through hole, 18, a fixing hole, 19, a guide groove plate, 20, a fixing plate, 21, an arc-shaped guide groove, 22, a first through hole, 23, a second through hole, 24, a lamp body supporting seat, 25, a lamp body supporting plate, 26, a fourth through hole, 27, a vertical part, 28, a horizontal extending part, 29, a third through hole, 30 and a regulating hole.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout.
An embodiment of the present invention provides an adjustable LED tube light, including: the LED module is arranged in the lamp shell;
wherein the lamp body includes bottom plate 5, and the LED module includes lamp body 10, but lamp body 10 level and vertical swivelling joint are on bottom plate 5.
In another embodiment, the LED module further includes a lamp body support block 11, a guide slot block 12 and a fixing ring 15, wherein the lamp body 10 is fixed on the lamp body support block 11, the guide slot block 12 is fixed on the fixing ring 15, the lamp body support block 11 is vertically and rotatably connected with the guide slot block 12, and the fixing ring 15 is horizontally and rotatably connected with the bottom plate 5.
In another embodiment, the lamp envelope further comprises: the device comprises a shell 1, a junction box 2 and a sliding bracket 4; the shell 1 is arranged on the bottom plate 5 and forms a cavity for accommodating the LED module, the sliding support 4 is fixed on the bottom plate 5 and is in sliding connection with the bottom plate 5, the junction box 2 is arranged on the bottom plate 5, the shell 1 and the junction box 2 realize the protection of a line, and the service life of the down lamp is prolonged.
In another embodiment, the lamp body support block 11 includes a lamp body support base 24 and two lamp body support plates 25 vertically extending from both sides of the lamp body support base 24, and each lamp body support plate 25 is provided with a connection column (not shown);
the guide groove block 12 comprises two guide groove plates 19 arranged in parallel and a fixing plate 20 connected with the two guide groove plates 19, each guide groove plate 19 is provided with two arc-shaped guide grooves 21 corresponding to the positions of connecting columns, and the connecting columns are arranged in the arc-shaped guide grooves 21 in a sliding manner;
the lamp body 10 is fixedly mounted on the lamp body support plate 25.
In another embodiment, the bottom plate 5 is provided with a through hole 7, and the fixing ring 15 is rotatably mounted on the through hole 7; thus, the fixing ring 15 drives the lamp body 10 to horizontally rotate on the through hole 7 by a certain angle, and the angle adjustment of the lamp light irradiation position in the horizontal direction is realized.
A first stop block 9 is arranged on one surface of the bottom plate 5 close to the shell 1; the LED module also comprises a first elastic sheet 13 and a second elastic sheet which are connected with the guide groove block 12 and the fixed ring 15 and are symmetrically arranged, a second stop block 14 is arranged at the outer side of the first elastic sheet 13, the horizontal height of the second stop block 14 is overlapped with the horizontal height of the first stop block 9, in addition,
the horizontal distance between the outer side of the second stopper 14 and the edge of the through-hole 7 is larger than the horizontal distance between the inner side of the first stopper 9 and the edge of the through-hole 7, and
the horizontal distance between the inner side of the second block 14 and the edge of the through hole 7 is smaller than the horizontal distance between the outer side of the first block 9 and the edge of the through hole 7.
First dog 9 and second dog 14 cooperate each other and prescribe a limit to the horizontal rotation angle of retainer plate 15 and do not exceed 30 359 to realized shining the regulation of angle to down lamp vertical direction, simultaneously because the effect of first dog and second dog, make the LED module can only be at 30 within 359 horizontal rotation, can not lead to the unlimited rotation of wiring of LED module and tie a knot like this when LED module horizontal rotation.
In another embodiment, the fixed ring 15 comprises an annular retainer ring and a cylindrical inner ring extending perpendicularly from the inner ring of the retainer ring, the outer diameter of the retainer ring is larger than the diameter of the through hole,
the cylindrical inner ring penetrates into the through hole 7, and the first elastic sheet and the second elastic sheet are elastic pieces capable of clamping the fixing ring in the through hole.
In another embodiment, the upper part of the cylindrical inner ring is provided with two support lugs which symmetrically extend out, and the support lugs are fixedly connected with the guide groove blocks.
In another embodiment, the arc length of the arc-shaped guide groove 21 corresponds to a sector angle of not more than 30 °, and the arc-shaped guide groove 21 enables the lamp body 10 to vertically rotate within a range of 30 °.
In another embodiment, the lamp housing further comprises a lamp ring 6; the periphery of the through hole 7 is provided with a mounting hole 8 for mounting the lamp ring 6, and the lamp ring 6 is arranged on one side of the bottom plate 5 back to the shell 1.
Furthermore, the elastic piece also comprises a second elastic piece which is arranged symmetrically with the first elastic piece 13, the first elastic piece 13 and the second elastic piece are both L-shaped, the L-shaped comprises a vertical part 27 and a horizontal extension part 28,
symmetrical convex through holes 17 are formed in the fixing ring 15, and the horizontal extending parts 28 of the first elastic sheet 13 and the second elastic sheet are respectively and telescopically buckled in the convex through holes 17 to enable the first elastic sheet and the second elastic sheet to horizontally move in the convex through holes;
the second stopper 14 is disposed at a lower portion of the vertical portion 27 of the first resilient piece 13.
In another embodiment, the lower edge of the lamp body 10 is provided with an adjusting hole 30 for further assisting in adjusting the irradiation angle of the lamp body.
In addition, can also set up respectively at bottom plate 5 front and back end and adjust support 3, adjust support 3 and be used for the installation lamp body, make the lamp body can carry out position control by whole horizontal migration on the mounted position, realized the position control on the horizontal direction of the light irradiation position of LED module in the lamp body.
More specifically, the connection and matching relationship of the components in the LED module is as follows: at least two fixing holes 18 are arranged on the supporting lug 16; a first through hole 22 is arranged at the extending part of the upper part of the guide groove plate 19, and a second through hole 23 is arranged at the lower part of the guide groove plate 19; the upper end of the vertical part 27 is provided with a third through hole 29; two fourth through holes 26 are arranged on the lamp body supporting plate 25, and the distances between the fourth through holes 26 and the two arc-shaped guide grooves 21 on the guide groove plate 19 are the same; the guide groove block 12 is fixedly connected with the fixing ring 15 through threaded connection between the two second through holes 23 and the fixing hole 18, the lamp body supporting plate 25 is slidably connected with the guide groove plate 19 through a connecting column between the fourth through hole 26 and the arc-shaped guide groove 21, and the guide groove block 12 is fixedly connected with the first elastic sheet 13 and the second elastic sheet through riveting between the first through hole 22 and the third through hole 29.
When the LED lamp is installed, the LED module and the junction box are connected, then the LED module is plugged into the lamp shell, the LED module is plugged to the bottom to enable the fixed ring to be in contact with the bottom plate, the first elastic sheet and the second elastic sheet on the two sides are pushed outwards, the LED module is fixed and can horizontally rotate, and due to the action of the first stop block and the second stop block, the LED module can only rotate within 359 degrees, so that an internal wire cannot rotate infinitely when the LED module rotates. The lamp housing is arranged on the ceiling through the adjusting support, the lamp housing is adjusted along the adjusting support in a moving mode according to the opening position of the subsequent ceiling, and the lamp ring is connected with the mounting hole in the bottom plate through the spring, so that the external attractive effect is achieved.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. An adjustable LED down lamp, comprising: the LED module is arranged in the lamp shell;
the LED module comprises a lamp body, wherein the lamp body comprises a bottom plate, and the lamp body can be horizontally and vertically connected to the bottom plate in a rotating mode;
the LED module also comprises a lamp body supporting block, a guide groove block and a fixing ring, wherein the lamp body is fixed on the lamp body supporting block, the guide groove block is fixed on the fixing ring, the lamp body supporting block can be vertically and rotatably connected with the guide groove block, and the fixing ring can be horizontally and rotatably connected with the bottom plate;
the lamp body supporting block comprises a lamp body supporting seat and two lamp body supporting plates vertically extending from two sides of the lamp body supporting seat, each lamp body supporting plate is provided with a connecting column, and the lamp body is fixedly arranged on the lamp body supporting plate;
the guide groove block comprises two guide groove plates which are arranged in parallel and a fixed plate which is connected with the two guide groove plates, each guide groove plate is provided with two arc-shaped guide grooves corresponding to the positions of the connecting columns, and the connecting columns are arranged in the arc-shaped guide grooves in a sliding mode;
the bottom plate is provided with a through hole, and the fixing ring is rotatably arranged on the through hole;
the fixed ring comprises an annular retainer ring and a cylindrical inner ring which vertically extends from the inner ring of the retainer ring, the outer diameter of the retainer ring is larger than the diameter of the through hole,
the LED module also comprises a first elastic sheet and a second elastic sheet which are connected with the guide groove block and the fixing ring and are symmetrically arranged; the cylindrical inner ring penetrates into the through hole, and the first elastic sheet and the second elastic sheet are elastic pieces capable of clamping the fixing ring in the through hole.
2. The adjustable LED downlight of claim 1, wherein the lamp housing further comprises: the connector comprises a shell, a junction box and a sliding bracket; the shell is arranged on the bottom plate and forms a cavity for accommodating the LED module, the sliding support is fixed on the bottom plate and is in sliding connection with the bottom plate, and the junction box is arranged on the bottom plate.
3. The adjustable LED down lamp according to claim 2, wherein a first stop is provided on a side of the base plate adjacent to the housing; a second stop block is arranged outside the first elastic sheet, the horizontal height of the second stop block is overlapped with the horizontal height of the first stop block, moreover,
the horizontal distance between the outside of the second stopper and the edge of the through hole is greater than the horizontal distance between the inside of the first stopper and the edge of the through hole, an
The horizontal distance between the inner side of the second stop block and the edge of the through hole is smaller than the horizontal distance between the outer side of the first stop block and the edge of the through hole.
4. The adjustable LED down lamp according to claim 3, wherein two support lugs symmetrically extending out are arranged at the upper part of the cylindrical inner ring, and the support lugs are fixedly connected with the guide groove blocks.
5. An adjustable LED down lamp as claimed in claim 3 or 4, wherein the arc length of the arc-shaped guide slot corresponds to a sector angle of not more than 30 °.
6. The adjustable LED downlight of claim 3, wherein the lamp housing further comprises a lamp ring; the lamp ring is arranged on one side, back to the shell, of the bottom plate.
7. The adjustable LED down lamp according to claim 3, further comprising a second spring plate symmetrically arranged with the first spring plate, wherein the first spring plate and the second spring plate are both L-shaped, the L-shaped comprises a vertical part and a horizontal extension part,
symmetrical convex through holes are formed in the fixing ring, and the horizontal extending parts of the first elastic sheet and the second elastic sheet are respectively and telescopically buckled in the convex through holes;
the second stop block is arranged at the lower part of the vertical part of the first elastic sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710458560.5A CN107036014B (en) | 2017-06-16 | 2017-06-16 | Adjustable LED down lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710458560.5A CN107036014B (en) | 2017-06-16 | 2017-06-16 | Adjustable LED down lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107036014A CN107036014A (en) | 2017-08-11 |
| CN107036014B true CN107036014B (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710458560.5A Active CN107036014B (en) | 2017-06-16 | 2017-06-16 | Adjustable LED down lamp |
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| Country | Link |
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| CN (1) | CN107036014B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110137873B (en) * | 2019-05-09 | 2024-05-31 | 北新集团建材股份有限公司 | Integrated junction box |
| CN110566857B (en) * | 2019-10-08 | 2024-07-26 | 苏州荣文库柏照明系统股份有限公司 | Adjustable LED down lamp |
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| CN202091956U (en) * | 2011-05-27 | 2011-12-28 | 鹤山市银雨照明有限公司 | Installation fixing device for down lamp |
| CN104428580A (en) * | 2013-12-24 | 2015-03-18 | 东莞华明灯具有限公司 | LED lamp |
| CN204513162U (en) * | 2015-04-27 | 2015-07-29 | 佛山市新辉帅照明电器有限公司 | A kind of New type detachable Down lamp |
| CN104990008A (en) * | 2015-07-24 | 2015-10-21 | 众普森科技（株洲）有限公司 | Dual-rotation LED down lamp |
| CN205048293U (en) * | 2015-11-02 | 2016-02-24 | 东莞华明灯具有限公司 | Angle modulation mechanism of recessed light |
| CN205859675U (en) * | 2016-06-22 | 2017-01-04 | 杭州亨特电气有限公司 | A kind of structure of LED down |
| US9664347B1 (en) * | 2006-06-01 | 2017-05-30 | Cooper Technologies Company | Surface-mounted lighting system |
| CN206875264U (en) * | 2017-06-16 | 2018-01-12 | 苏州荣文库柏照明系统有限公司 | A kind of adjustable LED Down lamp |
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2017
- 2017-06-16 CN CN201710458560.5A patent/CN107036014B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9664347B1 (en) * | 2006-06-01 | 2017-05-30 | Cooper Technologies Company | Surface-mounted lighting system |
| CN202091956U (en) * | 2011-05-27 | 2011-12-28 | 鹤山市银雨照明有限公司 | Installation fixing device for down lamp |
| CN104428580A (en) * | 2013-12-24 | 2015-03-18 | 东莞华明灯具有限公司 | LED lamp |
| CN204513162U (en) * | 2015-04-27 | 2015-07-29 | 佛山市新辉帅照明电器有限公司 | A kind of New type detachable Down lamp |
| CN104990008A (en) * | 2015-07-24 | 2015-10-21 | 众普森科技（株洲）有限公司 | Dual-rotation LED down lamp |
| CN205048293U (en) * | 2015-11-02 | 2016-02-24 | 东莞华明灯具有限公司 | Angle modulation mechanism of recessed light |
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| CN107036014A (en) | 2017-08-11 |
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Address after: 215427 No. 18 Luhe Qianjingtang Road, Huangjing Town, Taicang City, Suzhou City, Jiangsu Province Applicant after: Suzhou Rongwen Cooper Lighting System Co., Ltd. Address before: 215427 No. 8 West Ring Road, Huangjing Town, Taicang City, Suzhou City, Jiangsu Province Applicant before: Suzhou Rongwen Kubai Lighting Systems Co., Ltd. |
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