CN103185298A - Microspur adjusting device and luminaire adopting same - Google Patents
Microspur adjusting device and luminaire adopting same Download PDFInfo
- Publication number
- CN103185298A CN103185298A CN2011104577442A CN201110457744A CN103185298A CN 103185298 A CN103185298 A CN 103185298A CN 2011104577442 A CN2011104577442 A CN 2011104577442A CN 201110457744 A CN201110457744 A CN 201110457744A CN 103185298 A CN103185298 A CN 103185298A
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- lamp housing
- adjusting device
- microspur
- cam
- fixedly connected
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- Securing Globes, Refractors, Reflectors Or The Like (AREA)
Abstract
The invention provides a microspur adjusting device and a luminaire adopting the same. The microspur adjusting device comprises a rotary shaft, wherein one end of the rotary shaft is fixedly connected with a knob; the other end of the rotary shaft is connected with an adjusting component; the adjusting component comprises a cam perpendicular to and connected with the rotary shaft, and a connecting rod connected with the cam in a sliding manner; an evolvent-shaped guide sliding groove is formed in the cam; one end of the connecting rod is arranged in the guide sliding groove; and the other end of the connecting rod is fixedly connected with a sliding block driven by the connecting rod to move in a straight line. The microspur adjusting device provided by the invention is fixedly connected onto a lamp housing and is matched with a light source to use; with the evolvent-shaped guide sliding groove, the light source connected with the sliding block can be driven to move in the straight line; the axial position of the light source can be subjected to precise microspur adjustment by the microspur adjusting device; and the light resource of the luminaire adopting the microspur adjusting device can be subjected to microspur adjustment, so as to get better spotlight effects.
Description
Technical field
The present invention relates to lighting technical field, relate in particular to the microspur adjusting device and comprise the light fixture of this microspur adjusting device.
Background technology
For obtaining good spotlight effect, operated by rotary motion has focal length adjustment device on the present focusing lamp, but focal length adjustment device precision of the prior art is not high, can not realize that light source is carried out microspur to be regulated.
Summary of the invention
The object of the present invention is to provide a kind of microspur adjusting device, having solved existing focal length adjustment device can not carry out the problem that microspur is regulated to light source.
The present invention realizes like this, a kind of microspur adjusting device, comprise rotating shaft, described rotating shaft one end is fixedly connected with a knob, the described rotating shaft other end is connected with adjusting part, described adjusting part comprises cam and the connecting rod that with described cam slide be connected vertical and fixedly connected with described rotating shaft, offer a guide runner that is involute shape on the described cam, one end of described connecting rod is slidedly arranged in the described guide runner, and the other end of described connecting rod is fixedly connected with one and can be subjected to described connecting rod driving to do straight-line slide block.
Described rotating shaft is provided with a polygon contiguous block near an end of described cam, correspondingly offer on the described cam one with the polygon groove of described polygon contiguous block coupling, described polygon contiguous block is arranged in the described polygon groove.
One end of the contiguous described knob of described rotating shaft is arranged with an axle sleeve.
Described connecting rod is provided with a collar flange, described collar flange one end and described cam butt, the described collar flange other end and described slide block butt.
The present invention also provides a kind of light fixture, comprise lamp housing, described lamp housing one end is fixedly connected with lamp holder, be installed with reflector in the described lamp holder, the described lamp housing other end is fixedly connected with bottom, described lamp housing inside is to hold cavity, be provided with light source described holding in the cavity, described light source is located in the described reflector, also comprise foregoing microspur adjusting device, offer a fixing hole on the outer wall of described lamp housing, described rotating shaft is arranged in the described fixing hole, described knob is located at outside the described lamp housing, and described adjusting part is located at described holding in the cavity, and described light source is done rectilinear motion by described microspur adjusting device driving axis direction along described reflector in described reflector.
Described slide block comprises sliding part that an along continuous straight runs extends and one and described sliding part instruction unit connected vertically, offer on the described lamp housing one with the chute that is used for ccontaining described instruction unit of described lamp housing exterior, described instruction unit drives in described chute the axis direction along described reflector by described sliding part and does rectilinear motion.
Described light source is fixedly arranged on the radiator, and described radiator is fixedlyed connected with described slide block by a driving arm.
The position of contiguous described instruction unit is provided with scale on the described lamp housing.
Be fixedly connected with a mounting bracket on the described lamp housing.
Described knob is provided with scale.
Microspur adjusting device provided by the invention is used for being fixedly connected on the lamp housing and with light source being used, the guide runner structure that employing arranges involute shape has realized doing rectilinear motion by the circumference rotating drive slide block of knob, does rectilinear motion thereby drive the light source axis direction along reflector in reflector that is connected with slide block.Can carry out accurate microspur adjustment to the axial location of light source by microspur adjusting device of the present invention, the distance that light source moves is enlarged into the distance that connecting rod moves in guide runner, namely be enlarged into the angle of knob, this multiplication factor can be set according to needed precision, required precision is more high, needs the multiplication factor of setting more big.
The present invention adopts the light fixture of microspur adjusting device to carry out microspur to light source and regulates, thereby obtains good spotlight effect.
Description of drawings
In order to be illustrated more clearly in technical scheme of the present invention, to do to introduce simply to the accompanying drawing of required use in the embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the exploded view of the light fixture that comprises the microspur adjusting device that provides of the embodiment of the invention.
Fig. 2 is the assembling schematic diagram of the light fixture that comprises the microspur adjusting device that provides of the embodiment of the invention.
Fig. 3 is that schematic diagram is partly cutd open along the reflector axis direction in the back that is assembled together of the light fixture among Fig. 1.
Fig. 4 is the vertical view of the cam that provides of the embodiment of the invention.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.
See also Fig. 1～shown in Figure 3, a kind of microspur adjusting device 1 that embodiment of the present invention provides, comprise rotating shaft 10, rotating shaft 10 1 ends are fixedly connected with a knob 11, rotating shaft 10 other ends are connected with adjusting part 12, adjusting part 12 comprises an and cam 121 of fixedlying connected vertical with rotating shaft 10 and one and the connecting rod 122 that is slidingly connected of cam 121, offer a guide runner 1211 that is involute shape on the cam 121, one end of connecting rod 122 is slidedly arranged in the guide runner 1211, and the other end of connecting rod 122 is fixedly connected with one and can be subjected to connecting rod 122 drivings to do straight-line slide block 123.
Microspur adjusting device 1 provided by the invention is used for being fixedly connected on the lamp housing 2 and with light source 6 being used, and can carry out accurate microspur adjustment to the position of light source 6 by microspur adjusting device 1 of the present invention.Be specially such realization: drive rotating shaft 10 and cam 121 rotation together thereupon by twisting knob 11, cam 121 drives connecting rod 122 and slides in the guide runner that is involute shape 1211 that cam 121 is offered when rotating, because guide runner 1211 is involute shape, therefore cam 121 can drive slide block 123 and do rectilinear motion, thereby drive the light source 6 that is connected with slide block 123 and in reflector 5, do rectilinear motion along the axis direction of reflector 5, wherein, the distance that light source 6 moves is enlarged into the distance that connecting rod 122 moves in guide runner 1211, namely be enlarged into the angle that knob 11 rotates, this multiplication factor can be set according to needed precision, required precision is more high, needs the multiplication factor of setting more big.
Below each part of microspur adjusting device 1 of the present invention is described in detail.
See also Fig. 1, Fig. 3 and shown in Figure 4, concrete annexation between described rotating shaft 10 and the cam 121 is: rotating shaft 10 is provided with a polygon contiguous block 101 near an end of cam 121, correspondingly offer on the cam 121 one with the polygon groove 1212 of polygon contiguous block 101 coupling, polygon contiguous block 101 is arranged in the polygon groove 1212.In the present embodiment, polygon contiguous block 101 is the quadrangle contiguous block.Certainly, the polygon contiguous block also can be pentagon contiguous block or hexagon contiguous block etc. in the embodiment of the invention.Being equipped with of polygon contiguous block 101 and polygon groove 1212 makes between rotating shaft 10 and the cam 121 relative motion can not take place.
See also Fig. 1 and shown in Figure 3, an end of described rotating shaft 10 contiguous knobs 11 is arranged with an axle sleeve 13.When microspur adjusting device 1 provided by the invention is used for being fixedly connected on the lamp housing 2, axle sleeve 13 is fixedly arranged on the lamp housing 2 and is tightly connected with lamp housing 2 respectively, thereby make and be tightly connected between whole microspur adjusting device 1 and the lamp housing 2, steam can't infiltrate lamp housing 2 inside from microspur adjusting device 1, even under the environment of humidity, also can guarantee the sealing property of lamp housing 2.Particularly, axle sleeve 13 comprises a hollow pipe 131, and hollow pipe 131 1 ends are provided with a flange 132, and hollow pipe 131 other ends are processed with the external screw thread (not shown), and external screw thread is threaded with a nut 14.Flange 132 contiguous externally threaded end faces offer a cannelure (not shown) around hollow pipe 131 settings, be provided with a sealing ring (not shown) in this cannelure, sealing ring one end and flange 132 butts, the sealing ring other end is compressed by nut 14, thereby realizes being tightly connected between axle sleeve 13 and the lamp housing 2.
See also Fig. 1 and Fig. 3, described connecting rod 122 is provided with a collar flange 1221, collar flange 1,221 one ends and cam 121 butts, collar flange 1221 other ends and slide block 123 butts.
See also Fig. 1～Fig. 4, the embodiment of the invention also provides a kind of light fixture, comprise lamp housing 2, lamp housing 2 one ends are fixedly connected with lamp holder 3, be installed with reflector 5 in the lamp holder 3, lamp housing 2 other ends are fixedly connected with bottom 4, lamp housing 2 inside are to hold cavity, and this holds and is provided with light source 6 in the cavity, and light source 6 is located in the reflector 5, this light fixture also comprises foregoing microspur adjusting device 1, offer a fixing hole 21 on the outer wall of lamp housing 2, rotating shaft 10 is arranged in the fixing hole 21, and knob 11 is located at outside the lamp housing 2, adjusting part 12 is located at and is held in the cavity, and light source 6 is driven by microspur adjusting device 1 and do rectilinear motion along the axis direction of reflector 5 in reflector 5.
The present invention adopts the light fixture of microspur adjusting device 1 to carry out microspur to light source 6 and regulates, thereby obtains good spotlight effect.
See also Fig. 1, Fig. 2 and Fig. 3, described slide block 123 comprises sliding part 1231 that an along continuous straight runs extends and one and sliding part 1231 instruction units 1232 connected vertically, offer on the lamp housing 2 one with the chute 22 that is used for ccontaining instruction unit 1232 of lamp housing 2 exterior, instruction unit 1232 is driven by sliding part 1231 and do rectilinear motion along the axis direction of reflector 5 in chute 22.
See also Fig. 1 and Fig. 3, described light source 6 is fixedly arranged on the radiator 7, and radiator 7 is fixedlyed connected with slide block 123 by a driving arm 8.Driving arm 8 is Z-shaped in the present embodiment, and an end is used for the sliding part 1231 of fixedly connected slide block 123, and the other end is used for fixedly connected light source 6, makes sliding part 1231 to do rectilinear motion along the axis direction of reflector 5 by driving light source 6 in reflector 5.In the present embodiment, light source 6 preferred LED, radiator 7 can be aluminium sheet.
See also Fig. 1, Fig. 2 and Fig. 3, also be fixedly connected with a mounting bracket 9 on the described lamp housing 2, utilize this mounting bracket 9 lamp installation can be installed to other.
Be the degree that can the quantitative observation focal length be conditioned, the outer surface position of contiguous instruction unit 1232 is provided with the scale (not shown) on the described lamp housing 2, is used for the distance that sign instruction unit 1232 moves along the axis direction of reflector 5.And, the angle of twisting knob 11 for can quantitative observation manual adjustments focal length the time, described knob 11 is provided with the scale (not shown).
The above is preferred embodiment of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also are considered as protection scope of the present invention.
Claims (10)
1. microspur adjusting device, it is characterized in that, comprise rotating shaft, described rotating shaft one end is fixedly connected with a knob, the described rotating shaft other end is connected with adjusting part, described adjusting part comprises cam and the connecting rod that with described cam slide be connected vertical and fixedly connected with described rotating shaft, offer a guide runner that is involute shape on the described cam, one end of described connecting rod is slidedly arranged in the described guide runner, and the other end of described connecting rod is fixedly connected with one and can be subjected to described connecting rod driving to do straight-line slide block.
2. microspur adjusting device according to claim 1, it is characterized in that, described rotating shaft is provided with a polygon contiguous block near an end of described cam, correspondingly offer on the described cam one with the polygon groove of described polygon contiguous block coupling, described polygon contiguous block is arranged in the described polygon groove.
3. microspur adjusting device according to claim 1 and 2 is characterized in that, an end of the contiguous described knob of described rotating shaft is arranged with an axle sleeve.
4. microspur adjusting device according to claim 1 and 2 is characterized in that, described connecting rod is provided with a collar flange, described collar flange one end and described cam butt, the described collar flange other end and described slide block butt.
5. light fixture, comprise lamp housing, described lamp housing one end is fixedly connected with lamp holder, be installed with reflector in the described lamp holder, the described lamp housing other end is fixedly connected with bottom, described lamp housing inside is to hold cavity, be provided with light source described holding in the cavity, described light source is located in the described reflector, it is characterized in that, also comprise as each described microspur adjusting device in the claim 1～4, offer a fixing hole on the outer wall of described lamp housing, described rotating shaft is arranged in the described fixing hole, and described knob is located at outside the described lamp housing, described adjusting part is located at described holding in the cavity, and described light source is done rectilinear motion by described microspur adjusting device driving axis direction along described reflector in described reflector.
6. light fixture according to claim 5, it is characterized in that, described slide block comprises sliding part that an along continuous straight runs extends and one and described sliding part instruction unit connected vertically, offer on the described lamp housing one with the chute that is used for ccontaining described instruction unit of described lamp housing exterior, described instruction unit drives in described chute the axis direction along described reflector by described sliding part and does rectilinear motion.
7. light fixture according to claim 5 is characterized in that, described light source is fixedly arranged on the radiator, and described radiator is fixedlyed connected with described slide block by a driving arm.
8. light fixture according to claim 5 is characterized in that, the position of contiguous described instruction unit is provided with scale on the described lamp housing.
9. light fixture according to claim 5 is characterized in that, is fixedly connected with a mounting bracket on the described lamp housing.
10. according to each described light fixture in the claim 5～9, it is characterized in that described knob is provided with scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110457744.2A CN103185298B (en) | 2011-12-30 | 2011-12-30 | Microspur adjusting device and luminaire adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110457744.2A CN103185298B (en) | 2011-12-30 | 2011-12-30 | Microspur adjusting device and luminaire adopting same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103185298A true CN103185298A (en) | 2013-07-03 |
| CN103185298B CN103185298B (en) | 2017-05-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110457744.2A Active CN103185298B (en) | 2011-12-30 | 2011-12-30 | Microspur adjusting device and luminaire adopting same |
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| Country | Link |
|---|---|
| CN (1) | CN103185298B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104421847A (en) * | 2013-09-04 | 2015-03-18 | 海洋王（东莞）照明科技有限公司 | Focusing lamp |
| CN104728782A (en) * | 2013-12-23 | 2015-06-24 | 深圳市海洋王照明工程有限公司 | Focal length adjustment device and lamp |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1262605A (en) * | 1969-06-23 | 1972-02-02 | Fmc Corp | Improvements in or relating to linear actuator assemblies |
| CN2319650Y (en) * | 1997-08-18 | 1999-05-19 | 机械工业部天津电气传动设计研究所 | Camshaft directly controlling master pressure dividing valve of water turbine speed variator stepping motor |
| CN2460356Y (en) * | 2000-12-21 | 2001-11-21 | 上海离合器总厂 | Driving device for electrically controlled clutch |
| CN101608772A (en) * | 2008-06-18 | 2009-12-23 | 深圳市海洋王照明科技股份有限公司 | The focus control of light fixture |
| CN201916729U (en) * | 2010-11-25 | 2011-08-03 | 海洋王照明科技股份有限公司 | Focusing lamp |
-
2011
- 2011-12-30 CN CN201110457744.2A patent/CN103185298B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1262605A (en) * | 1969-06-23 | 1972-02-02 | Fmc Corp | Improvements in or relating to linear actuator assemblies |
| CN2319650Y (en) * | 1997-08-18 | 1999-05-19 | 机械工业部天津电气传动设计研究所 | Camshaft directly controlling master pressure dividing valve of water turbine speed variator stepping motor |
| CN2460356Y (en) * | 2000-12-21 | 2001-11-21 | 上海离合器总厂 | Driving device for electrically controlled clutch |
| CN101608772A (en) * | 2008-06-18 | 2009-12-23 | 深圳市海洋王照明科技股份有限公司 | The focus control of light fixture |
| CN201916729U (en) * | 2010-11-25 | 2011-08-03 | 海洋王照明科技股份有限公司 | Focusing lamp |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104421847A (en) * | 2013-09-04 | 2015-03-18 | 海洋王（东莞）照明科技有限公司 | Focusing lamp |
| CN104728782A (en) * | 2013-12-23 | 2015-06-24 | 深圳市海洋王照明工程有限公司 | Focal length adjustment device and lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103185298B (en) | 2017-05-03 |
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