CN103836405B - Light fixture - Google Patents
Light fixture Download PDFInfo
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- CN103836405B CN103836405B CN201210497102.XA CN201210497102A CN103836405B CN 103836405 B CN103836405 B CN 103836405B CN 201210497102 A CN201210497102 A CN 201210497102A CN 103836405 B CN103836405 B CN 103836405B
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- light
- lamp housing
- light source
- adjusting knob
- lens
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Abstract
A kind of light fixture, comprising: lamp housing, has light-emitting window and stopper slot; Lens, are attached at light-emitting window, and the size of its size and light-emitting window is suitable; Guide rail, is contained in lamp housing, and is fixedly connected with lamp housing, and guide rail is arranged near stopper slot; Light-source structure, is contained in lamp housing, light-source structure relative to guide rail slidably, light-source structure comprise be positioned at lens optical axis on and towards light-emitting window arrange light source; Adjusting knob, wears the stopper slot of lamp housing slidably, and is fixedly connected with light-source structure; Wherein, by adjusting knob driving light source structure relative to slide, make light source towards or dorsad lens move.Above-mentioned light fixture moves connected light source by adjusting knob, move around along guide rail, change the distance between light source and lens, thus the focus point of light on lens that change light source sends, whole like this light fixture, when not shift position, can realize the function of the range size of light-illuminating and the brightness size adjustment of light.
Description
[technical field]
The present invention relates to a kind of lighting device, particularly relate to the light fixture of a kind of adjustable range of exposures and brightness.
[background technology]
The light source of existing lamp installation and the relative position of lens are generally fixing or manual adjustments.Due to light fixture in use, if will regulate the range size of light-illuminating or the brightness size of light when whole light fixture does not change position, existing fitting structure not easily easily realizes.
[summary of the invention]
In view of above-mentioned condition, be necessary to provide a kind of light fixture, this light fixture is simple and reliable, and the range size of lamp light adjustable irradiation and the brightness size of light.
A kind of light fixture, comprising:
Lamp housing, be long tubular construction, described lamp housing has light-emitting window and stopper slot, and described light-emitting window is located at the front end of described lamp housing, and described stopper slot is opened on the sidewall of described lamp housing;
Lens, are attached at described light-emitting window, the size of described lens and the size of light-emitting window suitable, described lens have optical axis;
Guide rail, is contained in described lamp housing, and is fixedly connected with described lamp housing, and described guide rail is arranged near described stopper slot;
Light-source structure, is contained in described lamp housing, described light-source structure relative to described guide rail slidably, described light-source structure comprise be positioned at described lens optical axis on and the light source arranged towards described light-emitting window; And
Adjusting knob, wears the stopper slot of described lamp housing slidably, and is fixedly connected with described light-source structure;
Wherein, described adjusting knob is through described stopper slot, and local exposes to outside the sidewall of described lamp housing, drives described light-source structure relative to described slide by described adjusting knob, make described light source towards or dorsad described lens move.
Above-mentioned light fixture moves connected light source by adjusting knob, move around along guide rail, change the distance between light source and lens, thus the focus point of light on lens that change light source sends, whole like this light fixture, when not shift position, can realize the function of the range size of light-illuminating and the brightness size adjustment of light.
Wherein in an embodiment, the madial wall that described lamp housing is close to by described guide rail is arranged, and described guide rail offers the slit corresponding with described stopper slot, and described adjusting knob is fixedly connected with described light-source structure through after described stopper slot and described slit.
Wherein in an embodiment, described light-source structure also comprises light source fixed head, described light source fixed head and described light-emitting window are oppositely arranged, described adjusting knob is fixedly connected with described light source fixed head, drive described light source fixed head relative to described slide by described adjusting knob, described light source is fixed on the described light source fixed head surface relative with described light-emitting window.
Wherein in an embodiment, described light-source structure also comprises reflector, described reflector is fixed on the described light source fixed head surface relative with described light-emitting window, described light source is contained in described reflector, wherein, the light that described light source is launched, after described reflector reflection, be injected on described lens, and transmission is gone out after described lens reflection.
Wherein in an embodiment, described light-source structure also comprises radiating block, described radiating block be fixed on described light source fixed head and described light source back to surface, and correspondingly with described light source to arrange.
Wherein in an embodiment, described guide rail comprises substrate and from the relative dual-side of described substrate towards two extensions that the same side of described substrate bending extends, form a gathering sill between described two extensions and described substrate respectively, described slit is opened on described substrate; The edge bending of described light source fixed head is protruding with a slide.The relative dual-side of described slide is fastened in described gathering sill, and along described gathering sill slidably; Described adjusting knob is fixedly connected with described slide.
Wherein in an embodiment, described slide is provided with the fixed leg with screw near the side of described light source, and described adjusting knob and described fixed leg are spirally connected.
Wherein in an embodiment, described guide rail is provided with the gathering sill of swallow-tail form, described light-source structure also comprises the lamp socket for fixing described light source, and described lamp socket is provided with the slip boss of the swallow-tail form matched with described gathering sill, and described adjusting knob is fixedly connected with lamp socket.
Wherein in an embodiment, also comprise U-shaped support and threaded fastener, the two ends of described U-shaped support are fixedly connected with by the two opposite side walls of described threaded fastener with described lamp housing, and when unscrewing described threaded fastener, described lamp housing is dynamic relative to described U-shaped bracket-rotatable.
Wherein in an embodiment, the cell wall of the stopper slot of described lamp housing is provided with multiple limiting section, and the driving shaft of described adjusting knob optionally holds with in described multiple limiting section, to locate adjusting knob mutually.
[accompanying drawing explanation]
Fig. 1 is the stereogram of the light fixture of one embodiment of the present invention
Fig. 2 is the stereogram after the lamp housing of the removing of light fixture shown in Fig. 1 local;
The stereogram that the axis that Fig. 3 is light fixture shown in Fig. 1 is analysed and observe;
The axial sectional view that Fig. 4 is light fixture shown in Fig. 1;
Fig. 5 is the stereogram of the guide rail of light fixture shown in Fig. 1;
The stereogram of the light source fixed head that Fig. 6 is light fixture shown in Fig. 1.
[detailed description of the invention]
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.Preferred embodiment of the present invention is given in accompanying drawing.But the present invention can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the object of these embodiments be make the understanding of disclosure of the present invention more comprehensively thorough.
It should be noted that, when element is called as " being fixed on " another element, 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 there is centering elements simultaneously.Term as used herein " vertical ", " level ", "left", "right" and similar statement are just for illustrative purposes.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present invention understand usually.The object of term used in the description of the invention herein just in order to describe specific embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
Refer to Fig. 1 and Fig. 2, the light fixture 100 of embodiment of the present invention, comprise lamp housing 110, lens 120, guide rail 130, light-source structure 160 and adjusting knob 170.Lamp housing 110 is as the bearing part of other elements of light fixture 100.The light that lens 120 send for regulating light-source structure 160.Guide rail 130 play the guiding role when sliding in lamp housing 110 for light-source structure 160.By adjusting knob 170, driving light source structure 160 is slided relative to guide rail 130.
Lamp housing 110 has light-emitting window 111 and stopper slot 112.Lamp housing 110 can be the shell shape of general light fixture, such as, and long tubular construction, disc shell structure, conical shell structure etc.Specifically in the illustrated embodiment, lamp housing 110 is long tubular construction, and light-emitting window 111 is located at the front end 113 of lamp housing 110, and stopper slot is opened on the sidewall of lamp housing 110.Because lamp housing 110 is long tubular construction, light-source structure 160 can be made comparatively large with the spacing of lens 120, thus make the range of exposures of light fixture 100 and brightness regulation scope larger.
Lens 120 are attached at the light-emitting window 111 of lamp housing 110, and the size of the light-emitting window 111 of the size of lens 120 and lamp housing 110 matches, namely, lens 120 can just be held in the light-emitting window 111 of lamp housing 110, or be positioned at the inner side of light-emitting window 111 or the outside of lamp housing 110, and the size of lens 120 is greater than the size of the light-emitting window 111 of lamp housing 110, thus the light-emitting window 111 of sealing lamp housing 110.Lens 120 have optical axis, the center line of optical axis and light beam (light beam), or the symmetry axis of optical system, and light beam rotates around this axle, the change of any optical characteristics that do not have.
Guide rail 130 is contained in lamp housing 110, and is fixedly connected with lamp housing 110, and guide rail 130 is arranged near the stopper slot 112 of lamp housing 110.Guide rail 130 can be the slide rail of straight rod-shaped, or has the slide rail etc. of gathering sill.In addition, guide rail 130 can be directly fixed on lamp housing 110, is also fixedly connected with lamp housing 110 by other elements.Specifically in the illustrated embodiment, the madial wall that lamp housing 110 is close to by guide rail 130 is arranged, and guide rail 130 offers the slit 131 corresponding with the stopper slot 112 of lamp housing 110, adjusting knob 170 is fixedly connected with light-source structure 150 through after the stopper slot 112 of lamp housing 110 and slit 131.
In other embodiments, the two ends of guide rail 130 can directly be fixedly connected with the front end 113 of lamp housing 110 and rear end 115 respectively; Or be provided with two gripper shoes, arrange respectively near the front end 113 of lamp housing 110 and rear end 115, now, the two ends of guide rail 130 can directly be fixedly connected with two gripper shoes 191 respectively.
See also Fig. 5, specifically in the illustrated embodiment, guide rail 130 comprises substrate 133 and from the relative dual-side of substrate 133 towards two extensions 135 that the same side of substrate 133 bending extends, form a gathering sill 136 between two extensions 135 and substrate 133 respectively, slit 131 is opened on substrate 133.
See also Fig. 3, light-source structure 160 is contained in lamp housing 110, and light-source structure 160 relative to guide rail 130 slidably.Light-source structure 160 comprise be positioned at lens 120 optical axis on and towards light-emitting window 111 arrange light source 161.
Concrete light-source structure 160 also comprises light source fixed head 163 in the illustrated embodiment, and light source fixed head 163 is oppositely arranged with the light-emitting window 111 of lamp housing 110.Adjusting knob 170 and light source fixed head 163, and be fixedly connected with light source fixed head 163, light source fixed head 163 is slided with adjusting knob 170.Light source 161 is fixed on light source fixed head 163 surface relative with light-emitting window 111.Light source 161 can be LED, and now, light source fixed head 163 can be LED drive circuit plate.Or light source 161 is miniature bulb, one-way golden halogen light etc., light source fixed head 163 is the loading plate of fixed lamp-socket.
Further, the edge bending of light source fixed head 163 is protruding with a slide 163a.The relative dual-side of slide 163a is fastened in the gathering sill 136 of guide rail 130, and along described gathering sill 136 slidably.Adjusting knob 170 is fixedly connected with described slide 163a.
Further, slide 163a is provided with the fixed leg 163b with screw near the side of described light source, and adjusting knob 170 and described fixed leg 163b are spirally connected.
In other embodiments, guide rail 130 is provided with the gathering sill of swallow-tail form, and light-source structure 160 also comprises the lamp socket for fixed light source, and lamp socket is provided with the slip boss of the swallow-tail form matched with described gathering sill, and adjusting knob 170 is fixedly connected with lamp socket.
See also Fig. 4 and Fig. 6, adjusting knob 170 wears lamp housing 110 rotationally.Specifically in the illustrated embodiment, adjusting knob 170 is through the stopper slot 112 of lamp housing 110, and local exposes to outside the sidewall of lamp housing 110.Adjusting knob 170 comprises knob 171 and is located at one end driving shaft 173 of adjusting knob 171, and such as, knob 171 is plastics knob, driving shaft 173 can be screw, and now, driving shaft 173 is one-body molded by insert molding mode with knob 171, that is, the cap head of screw is embedded in plastics knob.
The driving shaft 173 of adjusting knob 170 is spirally connected with the fixed leg 163b of light source fixed head 163, and for preventing adjusting knob 170 from coming off, the driving shaft 173 of adjusting knob 170 is screwed with anti-return nut through the stopper slot 112 of lamp housing 110 and the slit 131 of guide rail 130.
Further, light-source structure 160 also comprises reflector 165, reflector 165 is fixed on light source fixed head 163 surface relative with light-emitting window 111, light source 161 is contained in reflector, wherein, the light that light source 161 is launched, after reflector 165 reflects, be injected on lens 120, and transmission is gone out after lens 120 reflect.Because reflector 165 has optically focused effect, make the emitting brightness of light fixture 100 higher.
Concrete, reflector 165 is between gripper shoe 191 and light source fixed head 163, and the light hole size of gripper shoe 191 is greater than the light-emitting window size of reflector 165.
Further, light-source structure 160 also comprises radiating block 167, radiating block 167 be fixed on light source fixed head 163 and light source 161 back to surface, and correspondingly with light source 161 to arrange.Specifically in the illustrated embodiment, radiating block 167 is between connecting plate 193 and light source fixed head 163.Radiating block 167 comprises substrate 167a and is located at the multiple radiating fin 167b on substrate 167a, and the plurality of radiating fin 167b parallel interval is arranged.In addition, substrate 167a is circular slab, and multiple fin surrounds circular configuration jointly, make radiating block 167 for cylindrical structural, and light source 161 is just being arranged the center of circle of columniform radiating block 167, thus is accelerating the radiating efficiency of radiating block 167.
Further, light fixture 100 also comprises U-shaped support 195 and threaded fastener 197, the two ends of U-shaped support 195 are fixedly connected with by the two opposite side walls of threaded fastener 197 with lamp housing 110, unscrew locking member 197 time, lamp housing 110 is rotatable relative to U-shaped support 195.Specifically in the illustrated embodiment, threaded fastener 197 comprises adjustment cap head 197a and threaded portion 197b, threaded portion 197b is located at one end of adjustment cap head 197a, threaded portion 197b is through behind the end of U-shaped support 195 and the sidewall of lamp housing 110, screw togather with nut, thus lock U-shaped support 195, the free-hand adjustment cap head 197a that can turn threaded fastener 197.Because lamp housing 110 can be rotatable relative to U-shaped support 195, thus regulate the irradiating angle of light fixture 100 further.During installation, light fixture 100 can be fixed on supporter by U-shaped support 195.
Further, the cell wall of the stopper slot 112 of lamp housing 110 is provided with multiple limiting section, and the driving shaft 173 of adjusting knob 170 optionally holds mutually with in multiple limiting section, to locate adjusting knob 170.Such as, limiting section can be continuous print elasticity sawtooth.
Above-mentioned light fixture 100 can distance between free-hand adjustment light source 161 and lens 120 by adjusting knob 170, can realize controlling the range size of light-illuminating and the brightness size adjustment function of light.When assembling above-mentioned light fixture 100, the light source fixed head 163 of light-source structure 160 is held on guide rail 130, and adjusting knob 170 is fixedly connected with light-source structure 160.After unscrewing adjusting knob 170, by adjusting knob 170 mobile light source structure 160, regulate the distance between light source 161 and lens 120, thus the light focus point on lens 120 regulating light source 161 to send, the range size of light-illuminating and the brightness size adjustment function of light can be realized.
Therefore, above-mentioned light fixture 100 moves connected light source 161 by adjusting knob 170, move around along guide rail 130, change the distance between light source 161 and lens 120, thus change the light focus point on lens 120 that sends of light source 161, the function of whole light fixture 100 range size of light-illuminating and brightness size adjustment of light when not shift position can be realized like this.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not 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 (9)
1. a light fixture, is characterized in that, comprising:
Lamp housing, be long tubular construction, described lamp housing has light-emitting window and stopper slot, and described light-emitting window is located at the front end of described lamp housing, and described stopper slot is opened on the sidewall of described lamp housing;
Lens, are attached at described light-emitting window, the size of described lens and the size of light-emitting window suitable, described lens have optical axis;
Guide rail, is contained in described lamp housing, and is fixedly connected with described lamp housing, and described guide rail is arranged near described stopper slot;
Light-source structure, is contained in described lamp housing, described light-source structure relative to described guide rail slidably, described light-source structure comprise be positioned at described lens optical axis on and the light source arranged towards described light-emitting window; And
Adjusting knob, wears the stopper slot of described lamp housing slidably, and is fixedly connected with described light-source structure;
Wherein, described adjusting knob is through described stopper slot, and local exposes to outside the sidewall of described lamp housing, drives described light-source structure relative to described slide by described adjusting knob, make described light source towards or dorsad described lens move;
The madial wall that described lamp housing is close to by described guide rail is arranged, and described guide rail offers the slit corresponding with described stopper slot, and described adjusting knob is fixedly connected with described light-source structure through after described stopper slot and described slit.
2. light fixture as claimed in claim 1, it is characterized in that, described light-source structure also comprises light source fixed head, described light source fixed head and described light-emitting window are oppositely arranged, described adjusting knob is fixedly connected with described light source fixed head, drive described light source fixed head relative to described slide by described adjusting knob, described light source is fixed on the described light source fixed head surface relative with described light-emitting window.
3. light fixture as claimed in claim 2, it is characterized in that, described light-source structure also comprises reflector, described reflector is fixed on the described light source fixed head surface relative with described light-emitting window, and described light source is contained in described reflector, wherein, the light that described light source is launched, after described reflector reflection, be injected on described lens, and transmission is gone out after described lens reflection.
4. light fixture as claimed in claim 2, it is characterized in that, described light-source structure also comprises radiating block, described radiating block be fixed on described light source fixed head and described light source back to surface, and correspondingly with described light source to arrange.
5. light fixture as claimed in claim 2, it is characterized in that, described guide rail comprises substrate and from the relative dual-side of described substrate towards two extensions that the same side of described substrate bending extends, form a gathering sill between described two extensions and described substrate respectively, described slit is opened on described substrate; The edge bending of described light source fixed head is protruding with a slide, and the relative dual-side of described slide is fastened in described gathering sill, and along described gathering sill slidably; Described adjusting knob is fixedly connected with described slide.
6. light fixture as claimed in claim 5, it is characterized in that, described slide is provided with the fixed leg with screw near the side of described light source, and described adjusting knob and described fixed leg are spirally connected.
7. light fixture as claimed in claim 1, it is characterized in that, described guide rail is provided with the gathering sill of swallow-tail form, described light-source structure also comprises the lamp socket for fixing described light source, described lamp socket is provided with the slip boss of the swallow-tail form matched with described gathering sill, and described adjusting knob is fixedly connected with lamp socket.
8. light fixture as claimed in claim 1, it is characterized in that, also comprise U-shaped support and threaded fastener, the two ends of described U-shaped support are fixedly connected with by the two opposite side walls of described threaded fastener with described lamp housing, when unscrewing described threaded fastener, described lamp housing is dynamic relative to described U-shaped bracket-rotatable.
9. light fixture as claimed in claim 1, it is characterized in that, the cell wall of the stopper slot of described lamp housing is provided with multiple limiting section, and the driving shaft of described adjusting knob optionally holds with in described multiple limiting section, to locate adjusting knob mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210497102.XA CN103836405B (en) | 2012-11-27 | 2012-11-27 | Light fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210497102.XA CN103836405B (en) | 2012-11-27 | 2012-11-27 | Light fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103836405A CN103836405A (en) | 2014-06-04 |
| CN103836405B true CN103836405B (en) | 2016-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210497102.XA Active CN103836405B (en) | 2012-11-27 | 2012-11-27 | Light fixture |
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| CN (1) | CN103836405B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104110617A (en) * | 2014-07-29 | 2014-10-22 | 李达 | LED lamp based reflected illumination device |
| CN204143138U (en) * | 2014-09-29 | 2015-02-04 | 林璧光 | A kind of LED type spotlight of taking a picture or making a video recording |
| CN105114870A (en) * | 2015-09-10 | 2015-12-02 | 宁波金熠光电科技有限公司 | Novel LED spot light |
| CN107631222A (en) * | 2017-11-14 | 2018-01-26 | 佛山市恒锝丰光电科技有限公司 | The light fixture in rotary regulation irradiation section |
| US20200191358A1 (en) * | 2018-12-12 | 2020-06-18 | Aleddra Inc. | Elongated Lighting Apparatus |
| CN111521992B (en) * | 2020-04-13 | 2023-01-03 | 广东博智林机器人有限公司 | Laser radar focusing system |
| CN113050185A (en) * | 2021-03-17 | 2021-06-29 | 中国航发动力股份有限公司 | Portable high-color-temperature turbine blade inner cavity inspection device and using method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10063134A1 (en) * | 2000-12-18 | 2002-06-27 | Weigert Dedo Film Gmbh | Focusable headlight with negative lens |
| CN2752837Y (en) * | 2004-10-14 | 2006-01-18 | 上海环达计算机科技有限公司 | Display up-down regulating mechanism for computer apparatus |
| JP5082103B2 (en) * | 2008-03-31 | 2012-11-28 | パイフォトニクス株式会社 | Rectangular parallelepiped illumination device and hologram illumination device |
| CN100593665C (en) * | 2008-04-30 | 2010-03-10 | 北京星光影视设备科技股份有限公司 | Double end spotlight |
| KR100979275B1 (en) * | 2010-05-13 | 2010-08-31 | 유한회사 이엔원 이엔지 | Stage lighting apparatus |
| CN202371598U (en) * | 2011-12-29 | 2012-08-08 | 林璧光 | Light-emitting diode (LED) projection lamp |
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2012
- 2012-11-27 CN CN201210497102.XA patent/CN103836405B/en active Active
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| CN103836405A (en) | 2014-06-04 |
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