CN103185298B - Microspur adjusting device and luminaire adopting same - Google Patents
Microspur adjusting device and luminaire adopting same Download PDFInfo
- Publication number
- CN103185298B CN103185298B CN201110457744.2A CN201110457744A CN103185298B CN 103185298 B CN103185298 B CN 103185298B CN 201110457744 A CN201110457744 A CN 201110457744A CN 103185298 B CN103185298 B CN 103185298B
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- lamp housing
- rotary shaft
- fixedly connected
- microspur
- cam
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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, more particularly to microspur adjusting means and the lamp comprising the microspur adjusting means
Tool.
Background technology
To obtain good spotlight effect, focal length adjustment device is typically provided with current focusing lamp, but it is existing
Focal length adjustment device precision in technology is not high, it is impossible to which realization carries out microspur regulation to light source.
The content of the invention
It is an object of the invention to provide a kind of microspur adjusting means, solving existing focal length adjustment device can not be to light
Source carries out the problem of microspur regulation.
The present invention is achieved in that a kind of microspur adjusting means, including rotary shaft, and described rotary shaft one end is fixedly connected
Have a knob, the rotary shaft other end is connected with adjusting part, the adjusting part include one it is vertical with the rotary shaft and
The cam being fixedly connected and a connecting rod being connected with the cam slide, offer one in involute shape on the cam
Guide runner, one end of the connecting rod is slidedly arranged in the guide runner, and the other end of the connecting rod is fixedly connected with one can
Driven by the connecting rod and do the slide block for moving along a straight line.
The rotary shaft is provided with a polygon contiguous block near one end of the cam, correspondingly opens up on the cam
Have one to be connected the polygonal grooves of Block- matching with the polygon, the polygon contiguous block is arranged in the polygonal grooves
It is interior.
The rotary shaft is arranged with an axle sleeve adjacent to one end of the knob.
The connecting rod is provided with a collar flange, and described collar flange one end abuts with the cam, and the ring-type is convex
The edge other end is abutted with the slide block.
Present invention also offers a kind of light fixture, including lamp housing, described lamp housing one end is fixedly connected with lamp holder, in the lamp holder
Reflector is installed with, the lamp housing other end is fixedly connected with bottom, and the lamp housing inside is an accommodating cavity, and the receiving is empty
Intracavity is provided with light source, and the light source is located in the reflector, also comprising foregoing microspur adjusting means, the lamp housing
A fixing hole is offered on outer wall, the rotary shaft is arranged in the fixing hole, the knob is located at outside the lamp housing, institute
Adjusting part is stated in the accommodating cavity, the light source is driven in the reflector along institute by the microspur adjusting means
The axis direction for stating reflector moves along a straight line.
The slide block include a horizontally extending sliding part and one with sliding part instruction connected vertically
Portion, offers one with the chute for housing the instruction unit communicated outside the lamp housing, the instruction unit on the lamp housing
The axis direction along the reflector in the chute is driven to move along a straight line by the sliding part.
The light source is fixedly arranged on a radiator, and the radiator is fixedly connected by a driving arm with the slide block.
The position of the neighbouring instruction unit is provided with scale on the lamp housing.
A mounting bracket is fixedly connected with the lamp housing.
The knob is provided with scale.
The microspur adjusting means that the present invention is provided is used to be fixedly connected on lamp housing and use cooperatively with light source, using setting
The slide guide slot structure of involute shape is realized and drives slide block to move along a straight line by the circular-rotation of knob, so as to drive and cunning
The light source of block connection moves along a straight line in reflector along the axis direction of reflector.Can be with by microspur adjusting means of the present invention
The microspur adjustment of precision is carried out to the axial location of light source, the distance of light source movement is enlarged into connecting rod and moves in guide runner
Distance, that is, be enlarged into the angle of knob, this amplification can set according to required precision, required
Precision is higher, needs the amplification for arranging bigger.
The present invention can carry out microspur regulation using the light fixture of microspur adjusting means to light source, so as to obtain good optically focused
Effect.
Description of the drawings
In order to be illustrated more clearly that technical scheme, the accompanying drawing to be used needed for embodiment will be made below
Simply introduce, it should be apparent that, drawings in the following description are only some embodiments of the present invention, general for this area
For logical technical staff, on the premise of not paying creative work, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is the exploded view of the light fixture comprising microspur adjusting means provided in an embodiment of the present invention.
Fig. 2 is the assembling schematic diagram of the light fixture comprising microspur adjusting means provided in an embodiment of the present invention.
Fig. 3 is that the light fixture in Fig. 1 is assembled together the half-section diagram of tailing edge reflector axis direction.
Fig. 4 is the top view of cam provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in embodiment of the present invention, the technical scheme in embodiment of the present invention is carried out clearly
Chu, it is fully described by.
Refer to shown in Fig. 1～Fig. 3, a kind of microspur adjusting means 1 that embodiment of the present invention is provided, including rotary shaft
10, the one end of rotary shaft 10 is fixedly connected with a knob 11, and the other end of rotary shaft 10 is connected with adjusting part 12, and adjusting part 12 is wrapped
Include the connecting rod 122 that a cam 121 and that is vertical with rotary shaft 10 and being fixedly connected is slidably connected with cam 121, cam
A guide runner 1211 in involute shape is offered on 121, one end of connecting rod 122 is slidedly arranged in guide runner 1211, is connected
The other end of bar 122 is fixedly connected with one and the slide block 123 for moving along a straight line can be done by the driving of connecting rod 122.
The microspur adjusting means 1 that the present invention is provided is used to be fixedly connected on lamp housing 2 and use cooperatively with light source 6, passes through
Microspur adjusting means 1 of the present invention can carry out the microspur adjustment of precision to the position of light source 6.Specially it is achieved in that：By turning round
Dynamic knob 11 drives rotary shaft 10 and cam 121 to rotate therewith, and the drive connection bar 122 while rotating of cam 121 exists
Slide in the guide runner 1211 in involute shape opened up on cam 121, because guide runner 1211 is involute shape, therefore
Cam 121 can drive slide block 123 to move along a straight line, so as to drive the light source 6 being connected with slide block 123 in reflector 5 along anti-
The axis direction of light cup 5 moves along a straight line, wherein, the distance that light source 6 is moved is enlarged into connecting rod 122 in guide runner 1211
The distance of motion, that is, be enlarged into the angle of the rotation of knob 11, and this amplification can set according to required precision,
Required precision is higher, needs the amplification for arranging bigger.
Each ingredient of the microspur adjusting means 1 of the present invention is described in detail below.
Refer to shown in Fig. 1, Fig. 3 and Fig. 4, the concrete annexation between the rotary shaft 10 and cam 121 is：Rotation
Axle 10 is provided with a polygon contiguous block 101 near one end of cam 121, and one and polygon are correspondingly offered on cam 121
The polygonal grooves 1212 of the matching of contiguous block 101, polygon contiguous block 101 is arranged in polygonal grooves 1212.The present embodiment
In, polygon contiguous block 101 is tetragon contiguous block.Certainly, polygon contiguous block can also be five sides in the embodiment of the present invention
Shape contiguous block or hexagon contiguous block etc..Polygon contiguous block 101 is equipped with so that rotary shaft with polygonal grooves 1212
Relative motion can not occur between 10 and cam 121.
Refer to shown in Fig. 1 and Fig. 3, the rotary shaft 10 is arranged with an axle sleeve 13 adjacent to one end of knob 11.The present invention
When the microspur adjusting means 1 of offer is used to be fixedly connected on lamp housing 2, axle sleeve 13 is fixedly arranged on lamp housing 2 and close with lamp housing 2 respectively
Envelope connection, so that being tightly connected between whole microspur adjusting means 1 and lamp housing 2, steam cannot ooze from microspur adjusting means 1
Enter inside lamp housing 2, even if in a humidity environment, also can guarantee that the sealing property of lamp housing 2.Specifically, axle sleeve 13 includes
Heart pipe 131, one end of hollow pipe 131 is provided with a flange 132, and the other end of hollow pipe 131 is machined with external screw thread (not shown), outer spiral shell
Stricture of vagina is threadedly coupled with a nut 14.Flange 132 offers an annular arranged around hollow pipe 131 adjacent to externally threaded end face
Groove (not shown), is provided with a sealing ring (not shown) in the cannelure, sealing ring one end abuts with flange 132, sealing ring
The other end is compressed by nut 14, so as to realize being tightly connected between axle sleeve 13 and lamp housing 2.
Refer to Fig. 1 and Fig. 3, the connecting rod 122 is provided with a collar flange 1221, the one end of collar flange 1221 with it is convex
Wheel 121 is abutted, and the other end of collar flange 1221 is abutted with slide block 123.
Fig. 1～Fig. 4 is referred to, the embodiment of the present invention additionally provides a kind of light fixture, including lamp housing 2, and the one end of lamp housing 2 is fixed and connected
It is connected in lamp holder 3, lamp holder 3 and is installed with reflector 5, the other end of lamp housing 2 is fixedly connected with bottom 4, the inside of lamp housing 2 accommodates empty for one
Chamber, is provided with light source 6 in the accommodating cavity, in reflector 5, the light fixture also adjusts dress to light source 6 comprising foregoing microspur
Put 1, a fixing hole 21 offered on the outer wall of lamp housing 2, rotary shaft 10 is arranged in fixing hole 21, knob 11 located at lamp housing 2 it
Outward, in accommodating cavity, light source 6 is driven in reflector 5 along the axle of reflector 5 adjusting part 12 by microspur adjusting means 1
Line direction moves along a straight line.
The present invention can carry out microspur regulation using the light fixture of microspur adjusting means 1 to light source 6, so as to obtain good gathering
Light effect.
Fig. 1, Fig. 2 and Fig. 3 are referred to, the slide block 123 includes a horizontally extending sliding part 1231 and
With the instruction unit 1232 connected vertically of sliding part 1231, one is offered on lamp housing 2 and is indicated for accommodating with communicating outside lamp housing 2
The chute 22 in portion 1232, instruction unit 1232 drives the axis direction along reflector 5 in chute 22 to do straight line by sliding part 1231
Motion.
Fig. 1 and Fig. 3 is referred to, the light source 6 is fixedly arranged on a radiator 7, radiator 7 is by a driving arm 8 and slides
Block 123 is fixedly connected.Driving arm 8 is Z-shape in the present embodiment, and one end is used to be fixedly connected the sliding part 1231 of slide block 123, separately
One end is used to be fixedly connected light source 6 so that sliding part 1231 can drive light source 6 in reflector 5 along the axis side of reflector 5
To moving along a straight line.In the present embodiment, the preferred LED of light source 6, radiator 7 can be aluminium sheet.
Fig. 1, Fig. 2 and Fig. 3 are referred to, a mounting bracket 9 is also fixedly connected with the lamp housing 2, using the mounting bracket 9
Can be by lamp installation to other devices.
For can the degree that is conditioned of quantitative observation focal length, the outer surface position of neighbouring instruction unit 1232 on the lamp housing 2
Scale (not shown) is provided with, for identifying the distance that instruction unit 1232 is moved along the axis direction of reflector 5.And, it is energy
Enough quantitative observations twist the angle of knob 11 when focusing manually, the knob 11 is provided with scale (not shown).
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (8)
1. a kind of light fixture, including lamp housing, described lamp housing one end is fixedly connected with lamp holder, and reflector, institute are installed with the lamp holder
State the lamp housing other end and be fixedly connected with bottom, the lamp housing inside is an accommodating cavity, and light source, institute are provided with the accommodating cavity
Light source is stated in the reflector, it is characterised in that also comprising microspur adjusting means, the microspur adjusting means includes rotation
Axle, described rotary shaft one end is fixedly connected with a knob, and the rotary shaft other end is connected with adjusting part, the adjusting part
It is described convex including and the cam that be fixedly connected vertical with the rotary shaft and a connecting rod being connected with the cam slide
A guide runner in involute shape is offered on wheel, one end of the connecting rod is slidedly arranged in the guide runner, the connection
The other end of bar is fixedly connected with one and the slide block for moving along a straight line can be done by connecting rod driving；The slide block includes one along level
Direction extend sliding part and one with sliding part instruction unit connected vertically, one is offered on the lamp housing with the lamp
The chute for housing the instruction unit communicated outside shell, the instruction unit drives the edge in the chute by the sliding part
The axis direction of the reflector moves along a straight line；A fixing hole is offered on the outer wall of the lamp housing, the rotary shaft wears
In the fixing hole, outside the lamp housing, the adjusting part is located in the accommodating cavity knob, the light
Source drives the axis direction along the reflector in the reflector to move along a straight line by the microspur adjusting means.
2. light fixture according to claim 1, it is characterised in that the rotary shaft is provided near one end of the cam
Polygon contiguous block, correspondingly offers one and is connected the polygonal grooves of Block- matching with the polygon on the cam, described
Polygon contiguous block is arranged in the polygonal grooves.
3. light fixture according to claim 1, it is characterised in that the rotary shaft is arranged with adjacent to one end of the knob
Axle sleeve.
4. light fixture according to claim 1, it is characterised in that the connecting rod is provided with a collar flange, the ring-type
Flange one end abuts with the cam, and the collar flange other end is abutted with the slide block.
5. the light fixture according to any one of claim 1-4, it is characterised in that the light source is fixedly arranged on a radiator, institute
State radiator to be fixedly connected with the slide block by a driving arm.
6. the light fixture according to any one of claim 1-4, it is characterised in that the position of the neighbouring instruction unit on the lamp housing
Scale is installed.
7. the light fixture according to any one of claim 1-4 a, it is characterised in that installation is fixedly connected with the lamp housing
Frame.
8. the light fixture according to any one of claim 1-4, it is characterised in that the 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 CN103185298A (en) | 2013-07-03 |
| CN103185298B true CN103185298B (en) | 2017-05-03 |
Family
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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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103185298B (en) |
Families Citing this family (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 (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN201916729U (en) * | 2010-11-25 | 2011-08-03 | 海洋王照明科技股份有限公司 | Focusing lamp |
Family Cites Families (2)
| 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 |
| CN101608772B (en) * | 2008-06-18 | 2012-09-05 | 海洋王照明科技股份有限公司 | Focusing device of lamp |
-
2011
- 2011-12-30 CN CN201110457744.2A patent/CN103185298B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN201916729U (en) * | 2010-11-25 | 2011-08-03 | 海洋王照明科技股份有限公司 | Focusing lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103185298A (en) | 2013-07-03 |
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