CN102853279B - Lamp - Google Patents
Lamp Download PDFInfo
- Publication number
- CN102853279B CN102853279B CN201110177529.7A CN201110177529A CN102853279B CN 102853279 B CN102853279 B CN 102853279B CN 201110177529 A CN201110177529 A CN 201110177529A CN 102853279 B CN102853279 B CN 102853279B
- Authority
- CN
- China
- Prior art keywords
- lamp housing
- openend
- movable reflector
- light fixture
- cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The invention discloses a lamp comprising a lamp housing, a fixed reflecting cover, a movable reflecting cover and an adjusting mechanism. The lamp housing is provided with a light outlet; the fixed reflecting cover is fixedly held in the lamp housing, and is provided with a first opening end and a second opening end opposite to the first opening end, and the first opening end is near the light outlet; the movable reflecting cover is held in the lamp housing, and is provided with a reflecting port near the second opening end; and the adjusting mechanism is arranged at two opposite sides of the movable reflecting cover so that the movable reflecting cover can rotate corresponding to the lamp housing. According to the lamp, the movable reflecting cover can rotate to a predetermined angle through the adjusting mechanism, light emitted by a light source can be reflected to the fixed reflecting cover via the movable reflecting cover and exits from the first opening of the fixed reflecting cover with a certain angle after being reflected for a second time via the fixed reflecting cover, and therefore, the purpose of adjusting the irradiation direction of the lamp is achieved.
Description
[technical field]
The present invention relates to a kind of illuminations, particularly relate to a kind of light fixture.
[background technology]
Current light fixture, for example the low ceiling light of double-end metal halide, generally all can not regulate direction of illumination, so just can only fill some light fixtures more and eliminate light dead angle, has greatly increased illumination cost.
[summary of the invention]
In view of above-mentioned condition, be necessary to provide a kind of light fixture of adjustable direction of illumination, to reduce illumination cost.
A light fixture, comprising:
Lamp housing, has a light-emitting window;
Fixation reflex cover, is contained in described lamp housing regularly, and described fixation reflex cover offers the first openend and second openend relative with described the first openend, and described the first openend is near described light-emitting window;
Movable reflector, is contained in described lamp housing, and described movable reflector offers the reflex port near described the second openend; And
Governor motion, is located at the relative both sides of described movable reflector, makes described movable reflector rotatable with respect to described lamp housing.
Above-mentioned light fixture makes movable reflector turn to predetermined angular by governor motion, the light of light source transmitting is reflexed on fixation reflex cover through movable reflector, after fixation reflex cover secondary reflection, from the first openend of fixation reflex cover, penetrate at a certain angle, thereby reach the object of the direction of illumination that regulates light fixture.
Further, described governor motion comprises the rotating shaft of being located at un-rotatably described movable reflector one side and the support column of being located at rotationally described movable another opposite side of reflector, described rotating shaft wears described lamp housing rotationally, and described support column is fixed on described lamp housing.
Further, described light fixture also comprises the position-limit mechanism of being located at rotationally on described lamp housing, and described position-limit mechanism matches with described governor motion, the angle of rotating to limit described governor motion.
Further, described position-limit mechanism comprises the catch that wears rotationally the limit shaft of described lamp housing and be fixed on described limit shaft one end, and the middle part of described rotating shaft is provided with cam, and the periphery of described cam is provided with the sawtooth that can hold mutually with described catch.
Further, described position-limit mechanism also comprise be fixed on described limit shaft away from the spacing knob of described catch one end, wear slidably described spacing knob contact pin, wear the latch at described contact pin middle part and be held on described latch and described spacing knob between elastic component, the outside of described lamp housing offers a plurality of draw-in grooves, described contact pin optionally holds mutually with one of them draw-in groove, the direction of rotating to limit described rotating shaft.
Further, described governor motion also comprises two supports that are individually fixed in the relative both sides of described movable reflector, one end of described rotating shaft is abnormity end, described support column is L shaped and one end is round nose, one in described two supports offers the irregularly-shaped hole wearing for described abnormity end, and another one offers the circular port wearing for described round nose.
Further, the cylindrical shell that described fixation reflex cover is the shape of falling truncated rectangular pyramids, described the first openend is opened in the top of described fixation reflex cover, and the second openend is opened in the bottom of described fixation reflex cover.
Further, the cylindrical shell that described movable reflector is the shape of falling truncated rectangular pyramids, described reflex port is opened in the top of described movable reflector, described reflex port and described the second openend are overlapping and cover the outside of described the second openend, and the length of described at least one pair of side of reflex port is greater than the length of the corresponding side of described the second openend, so that described movable reflector is rotatable with respect to described fixation reflex cover.
Further, the Packed bottom of described movable reflector tool, and the middle part of described bottom is provided with the V-type reflection protrusion of strip, and described V-type reflection protrusion parallels with described linear light sorurce.
Further, described governor motion comprises two rotating shafts that are individually fixed in the relative both sides of described movable reflector and wear rotationally described lamp housing, one of them rotating shaft is provided with sector gear, described position-limit mechanism comprises on the driving shaft of being located at the actuator of described lamp housing, being sheathed on regularly described actuator and the spur gear being meshed with described sector gear, described actuator drives described spur gear to rotate, thereby drives described sector gear to rotate.
[accompanying drawing explanation]
Fig. 1 is the exploded view of the light fixture of an embodiment;
Fig. 2 is the stereogram of the lamp housing of light fixture shown in Fig. 1;
Fig. 3 is the partial sectional view along III-III line in Fig. 3;
Fig. 4 is the stereogram of the fixation reflex cover of light fixture shown in Fig. 1;
Fig. 5 is the stereogram of the movable reflector of light fixture shown in Fig. 1;
Fig. 6 is the partial exploded view of the governor motion of light fixture shown in Fig. 1;
Fig. 7 is the exploded view of the position-limit mechanism of light fixture shown in Fig. 1;
Fig. 8 is the part sectioned view of light fixture shown in Fig. 1;
Fig. 9 is the partial enlarged drawing of light fixture shown in Fig. 8;
Figure 10 is another partial enlarged drawing of light fixture shown in Fig. 8.
[specific embodiment]
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.In accompanying drawing, provided first-selected embodiment of the present invention.But the present invention can realize in many different forms, be not limited to embodiment described herein.On the contrary, providing the object of these embodiment is to make to disclosure of the present invention more thoroughly comprehensively.
It should be noted that, when element is called as " being fixed on " another element, can directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may have centering elements simultaneously.Term as used herein " vertical ", " level ", " top ", " bottom " and similar statement are just for illustrative purposes.
Unless otherwise defined, all technology of using are herein identical with the implication that belongs to the common understanding of those skilled in the art of the present invention with scientific terminology.The term using in description of the present invention herein, just in order to describe the object of specific embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
Refer to Fig. 1, the light fixture 100 of the present embodiment comprises lamp housing 110, fixation reflex cover 120, movable reflector 130, governor motion 140 and position-limit mechanism 150.
Lamp housing 110 has a light-emitting window 111.Fixation reflex cover 120 is contained in lamp housing 110 regularly.Fixation reflex cover 120 offers the first openend 121 and second openend 123 relative with the first openend 121.The first openend 121 is near the light-emitting window 111 of lamp housing 110.Movable reflector 130 is contained in lamp housing 110, and movable reflector 130 offers the reflex port 131 near the second openend 123 of fixation reflex cover 120.Governor motion 140 is located at the relative both sides of movable reflector 130, makes movable reflector 130 rotatable with respect to lamp housing 110.
Above-mentioned light fixture 100 makes movable reflector 130 turn to predetermined angular by governor motion 140, the light of light source transmitting is reflexed on fixation reflex cover 120 through movable reflector 130, after fixation reflex cover 120 secondary reflections, from the first openend 121 of fixation reflex cover 120, penetrate at a certain angle, thereby reach the object of the direction of illumination that regulates light fixture 100.
Refer to Fig. 2 and Fig. 3, lamp housing 110 is roughly the housing of the shape of falling truncated rectangular pyramids.Light-emitting window 111 is opened in the top of lamp housing 110, and it is roughly rectangle.In lamp housing 110, be provided with light source 160.Light source 160 can be spot light, line source, area source etc., such as LED illuminating module, cold-cathode fluorescence lamp, Metal halogen lamp etc.Specifically in the present embodiment, light source 160 is linear light sorurce, for example, and Metal halogen lamp.The two ends of light source 160 are individually fixed on two relative medial surfaces of lamp housing 110.
One side of lamp housing 110 is provided with erecting bed 112.Erecting bed 112 is roughly circle.On erecting bed 112, offer rotating shaft installing hole 113, stopper slot 114, limit shaft installing hole 115 and draw-in groove 117.Erecting bed 112 comprises the first half-round (figure is mark not) and the second half-round (figure is mark not), and the first half-round and the second half-round form step, and the height of the second half-round is lower.Rotating shaft installing hole 113 is positioned at the middle part of the first half-round, and stopper slot 114 is positioned at the circular arc place of the first half-round.Specifically in the present embodiment, stopper slot 114 is for take the groove of the circular arc that rotating shaft installing hole 113 is the center of circle.Stopper slot 114 left ends are labeled with letter " L ", and right side is labeled with letter " R ", and centre is labeled with letter ' M '.Limit shaft installing hole 115 is positioned at the middle part of the second half-round.Draw-in groove 117 is two and lays respectively at limit shaft installing hole 115 both sides, and is centrosymmetric with respect to limit shaft installing hole 115.Wherein, the edge that is positioned at the draw-in groove 117 in left side is labeled with " R ", and the edge that is positioned at the draw-in groove 117 on right side is labeled with " L ".
It should be noted that, the first half-round and the second half-round also can equal altitudes, i.e. the first half-round and the second half-round coplines.
Refer to Fig. 4, fixation reflex cover 120 can be the cylindrical shell of truncated cone-shaped, the cylindrical shell of many terrace with edges shape etc.Specifically in the present embodiment, fixation reflex cover 120 is the cylindrical shell of the shape of falling truncated rectangular pyramids.The first openend 121 is opened in the top of fixation reflex cover 120, and the second openend 123 is opened in the bottom of fixation reflex cover 120.The relative both sides that fixation reflex cover 120 is connected with governor motion 130 offer respectively for accommodating the breach 125 of light source 160 at the second openend 123.
Refer to Fig. 5, movable reflector 130 can be the cylindrical shell of truncated cone-shaped, the cylindrical shell of many terrace with edges shape etc.Specifically in the present embodiment, movable reflector 130 is the cylindrical shell of the shape of falling truncated rectangular pyramids.Reflex port 131 is opened in the top of movable reflector 130.Concrete, the second openend 123 of reflex port 131 and fixation reflex cover 120 is overlapping and cover the outside of the second openend 123.The length of reflex port 131 at least one pair of side is greater than the length of the second openend 123 corresponding sides, so that movable reflector 130 is rotatable with respect to fixation reflex cover 120.
In order to improve sealing and the reflection efficiency of movable reflector 130, the movable reflector 130 Packed bottoms of tool, and the middle part of bottom is provided with the V-type reflection protrusion 133 of strip.V-type reflection protrusion 133 parallels with light source 160.
Refer to Fig. 1 and Fig. 6, governor motion 140 comprises the support column 145 of being located at un-rotatably the rotating shaft 141 of movable reflector 130 1 sides and being located at rotationally movable reflector 130 another opposite sides.Rotating shaft 141 wears the rotating shaft installing hole 113 of lamp housing 110 rotationally.Support column 145 is fixed on the inner side of lamp housing 110.
The middle part of rotating shaft 151 is provided with cam 1411.Cam 1411 is roughly circle, and its periphery is provided with the sawtooth 1413 that can hold mutually with catch.Specifically in the present embodiment, the periphery part of boss 1411 is provided with sawtooth 1413.
In order to support better movable reflector 130, governor motion 140 also comprises two supports 147 that are individually fixed in movable reflection 130 relative both sides.One end of rotating shaft 141 is abnormity end, and support column 145 is L shaped and one end is round nose.One in two supports 147 offers the irregularly-shaped hole wearing for abnormity end, and another one offers the circular port wearing for round nose.
Governor motion 140 also comprises the adjusting knob 143 that is fixed on rotating shaft 141 one end.Adjusting knob 143 comprises body (figure mark), be located at the boss 1431 on the edge of body and wear the limited post 1433 of boss 1431.Limited post 1433 slides along the stopper slot 114 of the erecting bed 112 of lamp housing 110, defines the maximum rotation angle of rotating shaft 141, thereby defines the hard-over of movable reflector 130.
Be appreciated that, governor motion 140 is not limited to the mode that adopts limited post 1433 to coordinate with stopper slot 114, also can be other modes, for example, the erecting bed 112 of lamp housing 110 is provided with the sawtooth of arranging along circular arc, is arranged with the elastic components such as spring, shell fragment on limited post 1433, and elastic component is held between the erecting bed 112 of lamp housing 110 and the boss 1431 of adjusting knob 143, limited post 1433 holds mutually with the sawtooth on erecting bed 112, thereby rotating shaft 141 is turned to predetermined angular.
Refer to Fig. 7, light fixture 100 also comprises position-limit mechanism 150.Position-limit mechanism 150 is located on lamp housing 110 rotationally, and position-limit mechanism 150 matches with governor motion 140, the angle of rotating to limit governor motion 140.
See also Figure 10, position-limit mechanism 150 comprises the limit shaft 151 of the limit shaft installing hole 115 that wears rotationally lamp housing 110 and is fixed on the catch 155 of limit shaft 151 one end.Sawtooth 1413 on the cam 1411 of catch 155 and the rotating shaft 111 of governor motion 140 holds mutually.Specifically in the present embodiment, catch 155 is the shell fragment of " Ω " type.
Position-limit mechanism 150 also comprises spacing knob 153, contact pin 157, latch 158 and elastic component 159.Spacing knob 153 is fixed on limit shaft 151 away from catch 155 one end.Contact pin 157 wears spacing knob 153 slidably.Latch 158 wears the middle part of contact pin 157.Elastic component 159 is held between latch 158 and spacing knob 153.Elastic component 159 can be spring, shell fragment etc., and specifically in the present embodiment, elastic component 159 is Compress Spring.Optionally one of them holds contact pin mutually with two draw-in grooves 117 of the erecting bed 112 of lamp housing 110, the direction of rotating to limit the rotating shaft 141 of governor motion 140.
It should be noted that, draw-in groove 117 is not limited to two, also can be more than two.
Please again consult Fig. 1, in order to seal lamp housing 110, prevent that extraneous water, dust etc. from entering in lamp housing 110, light fixture 100 also comprises the transparency cover 170 that covers regularly the light-emitting window 111 that is located at lamp housing 110.
Please refer to Fig. 1, Fig. 8 and Fig. 9, while regulating the direction of illumination of light fixture 100, in the draw-in groove that indicates " R " 117 of the erecting bed 112 of contact pin 157 insertion lamp housings 110, rotation adjusting knob 143, limited post 1433 can only slide into " R " from " M " of the stopper slot 114 of the erecting bed 112 of lamp housing 110, now, movable reflector 130 can only be from middle inclined to a side; Contact pin 157 is extracted from the draw-in groove that indicates " R " 117 of the erecting bed 112 of lamp housing 110, the elastic component 159 of position-limit mechanism 150 is compressed, then put into the draw-in groove that indicates " L " 117 of the erecting bed 112 of lamp housing 110, rotation adjusting knob 143, limited post 1433 can only slide into " L " from " M " of the stopper slot 114 of the erecting bed 112 of lamp housing 110, now, movable reflector 130 can only be equivalent to side to another from middle inclined, thereby regulates the direction of illumination of light fixture 100.
Be appreciated that, governor motion 140 and position-limit mechanism 150 are not limited to said structure, also can be other structures, for example, governor motion 140 comprises two rotating shafts that are individually fixed in the relative both sides of movable reflector and wear rotationally lamp housing, one of them rotating shaft is provided with sector gear, position-limit mechanism 150 comprises on the driving shaft of being located at the actuator of lamp housing, being sheathed on regularly actuator and the spur gear being meshed with sector gear, actuator drives spur gear to rotate, thereby drive sector gear to rotate, and then limit the angle that rotating shaft is rotated.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (6)
1. a light fixture, is characterized in that, comprising:
Lamp housing, has a light-emitting window;
Fixation reflex cover, is contained in described lamp housing regularly, and described fixation reflex cover offers the first openend and second openend relative with described the first openend, and described the first openend is near described light-emitting window;
Movable reflector, is contained in described lamp housing, and described movable reflector offers the reflex port near described the second openend; And
Governor motion, is located at the relative both sides of described movable reflector, makes described movable reflector rotatable with respect to described lamp housing;
Described governor motion comprises the rotating shaft of being located at un-rotatably described movable reflector one side and the support column of being located at rotationally described movable another opposite side of reflector, and described rotating shaft wears described lamp housing rotationally, and described support column is fixed on described lamp housing;
Described light fixture also comprises the position-limit mechanism of being located at rotationally on described lamp housing, and described position-limit mechanism matches with described governor motion, the angle of rotating to limit described governor motion;
Described position-limit mechanism comprises the catch that wears rotationally the limit shaft of described lamp housing and be fixed on described limit shaft one end, and the middle part of described rotating shaft is provided with cam, and the periphery of described cam is provided with the sawtooth holding mutually with described catch.
2. light fixture as claimed in claim 1, it is characterized in that, described position-limit mechanism also comprise be fixed on described limit shaft away from the spacing knob of described catch one end, wear slidably described spacing knob contact pin, wear the latch at described contact pin middle part and be held on described latch and described spacing knob between elastic component, the outside of described lamp housing offers a plurality of draw-in grooves, described contact pin optionally holds mutually with one of them draw-in groove, the direction of rotating to limit described rotating shaft.
3. light fixture as claimed in claim 1 or 2, it is characterized in that, described governor motion also comprises two supports that are individually fixed in the relative both sides of described movable reflector, one end of described rotating shaft is abnormity end, described support column is L shaped and one end is round nose, one in described two supports offers the irregularly-shaped hole wearing for described abnormity end, and another one offers the circular port wearing for described round nose.
4. light fixture as claimed in claim 1, is characterized in that, the cylindrical shell that described fixation reflex cover is the shape of falling truncated rectangular pyramids, and described the first openend is opened in the top of described fixation reflex cover, and the second openend is opened in the bottom of described fixation reflex cover.
5. light fixture as claimed in claim 4, it is characterized in that, the cylindrical shell that described movable reflector is the shape of falling truncated rectangular pyramids, described reflex port is opened in the top of described movable reflector, described reflex port and described the second openend are overlapping and cover the outside of described the second openend, and the length of described at least one pair of side of reflex port is greater than the length of the corresponding side of described the second openend, so that described movable reflector is rotatable with respect to described fixation reflex cover.
6. light fixture as claimed in claim 5, is characterized in that, the Packed bottom of described movable reflector tool, and the middle part of described bottom is provided with the V-type reflection protrusion of strip, and described V-type reflection protrusion parallels with linear light sorurce.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110177529.7A CN102853279B (en) | 2011-06-28 | 2011-06-28 | Lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110177529.7A CN102853279B (en) | 2011-06-28 | 2011-06-28 | Lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102853279A CN102853279A (en) | 2013-01-02 |
| CN102853279B true CN102853279B (en) | 2014-08-27 |
Family
ID=47400116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110177529.7A Expired - Fee Related CN102853279B (en) | 2011-06-28 | 2011-06-28 | Lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102853279B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061545A (en) * | 2013-03-21 | 2014-09-24 | 深圳市海洋王照明工程有限公司 | Fixing device and lamp housing including fixing device |
| CN104214546B (en) * | 2013-05-31 | 2017-07-25 | 深圳市海洋王照明工程有限公司 | The adjustable light fixture of reflector |
| CN103329861B (en) * | 2013-06-03 | 2015-04-22 | 宁波中源欧佳渔具股份有限公司 | Multi-view adjustable counter |
| CN107957054A (en) * | 2017-12-06 | 2018-04-24 | 昆山恩都照明有限公司 | Lamps and lanterns reflecting plate |
| CN114165750B (en) * | 2020-11-27 | 2024-03-12 | 深圳市同一方光电技术有限公司 | Spotlight module driven by guide rod |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6779908B1 (en) * | 2002-01-07 | 2004-08-24 | Genlyte Thomas Group Llc | Adjustable downlight lighting fixture |
| CN2777356Y (en) * | 2005-02-07 | 2006-05-03 | 周晓兴 | Ceiling lamp able to change its projection angle |
| JP4296579B2 (en) * | 1999-10-12 | 2009-07-15 | 岩崎電気株式会社 | Recessed lighting fixture |
| CN201487833U (en) * | 2009-07-30 | 2010-05-26 | 中山嘉达灯饰有限公司 | Lamp with an adjustable light angle |
| CN201779472U (en) * | 2010-01-05 | 2011-03-30 | 陈柏明 | LED lamp capable of adjusting direction of light beams and LED light-reflecting device thereof |
-
2011
- 2011-06-28 CN CN201110177529.7A patent/CN102853279B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4296579B2 (en) * | 1999-10-12 | 2009-07-15 | 岩崎電気株式会社 | Recessed lighting fixture |
| US6779908B1 (en) * | 2002-01-07 | 2004-08-24 | Genlyte Thomas Group Llc | Adjustable downlight lighting fixture |
| CN2777356Y (en) * | 2005-02-07 | 2006-05-03 | 周晓兴 | Ceiling lamp able to change its projection angle |
| CN201487833U (en) * | 2009-07-30 | 2010-05-26 | 中山嘉达灯饰有限公司 | Lamp with an adjustable light angle |
| CN201779472U (en) * | 2010-01-05 | 2011-03-30 | 陈柏明 | LED lamp capable of adjusting direction of light beams and LED light-reflecting device thereof |
Non-Patent Citations (1)
| Title |
|---|
| JP特许第4296579号B2 2009.07.15 |
Also Published As
| Publication number | Publication date |
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| CN102853279A (en) | 2013-01-02 |
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