CN104421629A - Focusing flashlight - Google Patents
Focusing flashlight Download PDFInfo
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- CN104421629A CN104421629A CN201310377357.7A CN201310377357A CN104421629A CN 104421629 A CN104421629 A CN 104421629A CN 201310377357 A CN201310377357 A CN 201310377357A CN 104421629 A CN104421629 A CN 104421629A
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- lamp housing
- groove
- rotating shaft
- hole
- installation portion
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Abstract
A focusing flashlight comprises a lamp shell, a reflective cup, a sliding block, a light source assembly, a rotating shaft and a gear; the light shell is provided with a rotating shaft hole; a guide rail which extends along the axial direction of the lamp shell is arranged inside the lamp shell; the reflective cup is arranged at one end of the lamp shell; the bottom of the reflective cup is provided with a through hole; the sliding block is accommodated in the lamp shell; the sliding block comprises an installation portion, a sliding portion and an adjustment portion; the sliding portion is connected with the installation portion; the sliding portion is arranged on the guide rail in a sliding mode; the adjustment portion is connected with the installation portion; the adjustment portion is provided with a long hole; the side wall of the direction of a long shaft of the long hole is provided with indentations; the light source assembly is arranged on the installation portion; the rotating shaft penetrates the rotating shaft hole; one end of the rotating shaft is exposed out of the lamp shell; the gear sleeves the rotating shaft; the gear is accommodated in the long hole and meshed with the indentations; the gear is driven by the rotating shaft to rotate; the gear is meshed with the indentations so as to prompt the sliding block to slide in the lamp shell and enable the light source assembly to be close to or far away from the reflective cup finally. The focusing flashlight has the advantage of being convenient to focus.
Description
Technical field
The present invention relates to lighting engineering, particularly relate to a kind of focus flashlight.
Background technology
Flashlight is a kind of hand-held electronic illuminations.A typical flashlight has one via battery powered bulb and focusing mirror, and has for hand-held handle type shell.
Traditional flashlight generally adopts manual rotation to focus or motor automatic focusing, the focusing structure of flashlight generally needs both hands rotation adjustment to realize, and its focussing process is comparatively complicated, not easily easily realizes, and cannot one-handed performance be realized, bring inconvenience to the use of people.
Summary of the invention
Based on this, be necessary to provide a kind of focusing focus flashlight comparatively easily.
A kind of focus flashlight, comprising:
Lamp housing, is the strip structure of hollow, described lamp housing offers shaft hole, and described lamp housing inside is provided with the axially extended guide rail along described lamp housing;
Reflector, is arranged at one end of described lamp housing, offers through hole bottom described reflector;
Slide block, be contained in described lamp housing, described slide block comprises:
Installation portion is plate-like structure;
Sliding part, is connected with described installation portion, and described sliding part is slidably disposed on described guide rail; And
Adjusting portion, is connected with described installation portion, and is positioned at described sliding part side, and described adjusting portion offers elongated hole, and the sidewall of described elongated hole long axis direction is provided with groove;
Light source assembly, be arranged on described installation portion, the light that described light source assembly sends enters in reflector through described through hole;
Rotating shaft, wears described shaft hole, and one end of described rotating shaft is exposed to described lamp housing outside; And
Gear, be sheathed in described rotating shaft, described gear is contained in described elongated hole, and is meshed with described groove;
Wherein, described axis of rotation, to drive described pinion rotation, described gear is meshed with described groove, to impel slide block to slide in described lamp housing, and finally make described light source assembly near or away from described reflector.
Wherein in an embodiment, described groove comprises the first unidirectional groove and the second unidirectional groove, described first unidirectional groove and described second unidirectional groove are arranged on two sides of described elongated hole long axis direction respectively, and described first unidirectional groove and described second unidirectional groove towards identical.
Wherein in an embodiment, described lamp housing offers groove, and described shaft hole is opened in the bottom land of described groove, and described focus flashlight also comprises knob, described knob is arranged in described groove, and is connected with one end that described rotating shaft is exposed to described lamp housing outside.
Wherein in an embodiment, be also provided with annular protrusion in the middle part of described rotating shaft, the diameter of described annular protrusion is greater than described shaft hole, and described rotating shaft is arranged in described shaft hole, and the madial wall of described annular protrusion and described lamp housing offsets.
Wherein in an embodiment, described elongated hole is the stepped hole with stage portion, and described gear and described stage portion offset.
Wherein in an embodiment, described sliding part is two, two described sliding parts are arranged at the two ends of described installation portion respectively, and extend to the direction away from described light source assembly, two described sliding parts and described installation portion form " U " character form structure jointly, described regulator site is between two described sliding parts, and described slide block also comprises reinforcement, and described installation portion is connected with described sliding part by described reinforcement.
Wherein in an embodiment, described sliding part is provided with many along the axially extended radiating ribs of described lamp housing.
Wherein in an embodiment, described guide rail is boss, and described sliding part offers guide groove, and described boss is arranged in described guide groove, and relatively described guide groove slidably.
Wherein in an embodiment, described lamp housing comprises:
Back cover is the long tubular structure of one end open; And
Fore shell is horn-like structure, comprises stub end and little head end, and the little head end of described fore shell is connected with the openend of described back cover, and described reflector is partially housed in described fore shell.
Wherein in an embodiment, the stub end of described fore shell offers external screw thread, described focus flashlight also comprises protecgulum, described protecgulum offers internal thread, described protecgulum and described fore shell are screwed, described reflector is fixed on described protecgulum, and is arranged at one end of described lamp housing by described protecgulum.
Above-mentioned focus flashlight, compared with traditional focus flashlight, at least has the following advantages:
First, when needing to focus, only need rotating shaft, rotating shaft driven gear rotates, and then band movable slider slides in lamp housing, and the final distance regulated between light source assembly and reflector.Distance between light source assembly and reflector there occurs change, and the focus point of the light that light source assembly sends on reflector also there occurs change, thus changes the scope of focus flashlight irradiation and the brightness of light.Whole focussing process is comparatively convenient, and people can grip while focus flashlight and can complete focusing to focus flashlight by thumb one hand.
Secondly, above-mentioned focus flashlight is compared to traditional focus flashlight, and its focusing structure is more simple, easily manufactures, and reduces cost.
Accompanying drawing explanation
Fig. 1 is the sectional view of the focus flashlight in present pre-ferred embodiments;
Fig. 2 is the explosive view of focus flashlight shown in Fig. 1;
Fig. 3 is the concrete structure figure of slide block in focus flashlight shown in Fig. 1;
Fig. 4 is the concrete structure figure of the shaft of focus flashlight 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.Better 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 to disclosure of the present invention understand more thorough comprehensively.
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 just for illustrative purposes, do not represent it is unique embodiment.
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 concrete 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, the focus flashlight 100 in present pre-ferred embodiments, comprise lamp housing 110, reflector 120, protecgulum 130, Transparent Parts 140, slide block 150, light source assembly 160, rotating shaft 170, gear 180 and knob 190.
Lamp housing 110 is the strip structure of hollow.Lamp housing 110 offers shaft hole 111, lamp housing 110 inside is provided with the axially extended guide rail 112 along lamp housing 110.Reflector 120 is roughly horn-like.Reflector 120 is arranged at one end of lamp housing 110, offers through hole 122 bottom reflector 120.
Specifically in the present embodiment, lamp housing 110 comprises back cover 113 and fore shell 114.Back cover 113 is the long tubular structure of one end open.See also Fig. 2, back cover 113 comprises left half shell 113a, right half shell 113b and the first threaded fastener 113c, and left half shell 113a is connected by the first threaded fastener 113c with right half shell 113b, to form the back cover 113 of hollow.Back cover 113 can be used for assembly such as collecting battery 210 grade.
Fore shell 114 is horn-like structure, and fore shell 114 comprises stub end and little head end.The little head end of fore shell 114 is connected with the openend of back cover 113.The stub end of fore shell 114 offers external screw thread (figure does not mark).Protecgulum 130 offers internal thread (figure does not mark), protecgulum 130 and fore shell 114 are screwed.Reflector 120 is fixed on protecgulum 130, and is arranged at one end of lamp housing 110 by protecgulum 130.Reflector 120 is partially housed in fore shell 114.
Protecgulum 130 sets out unthreaded hole 132.Transparent Parts 140 is arranged at light hole 132 place, to be covered by light hole 132.Concrete, the top of reflector 120 is provided with flanging 122, flanging 122 is offered screw 122a.The edge breach 142 of Transparent Parts 140.Focus flashlight 100 also comprises the second threaded fastener 220.Second threaded fastener 220 wears the screw 122a on flanging 122 and the breach 142 in Transparent Parts 140, and is screwed together in protecgulum 130, reflector 120 and Transparent Parts 140 to be fixed on protecgulum 130.
Be appreciated that fore shell 114 is not limited to screw togather with the connected mode of protecgulum 130, fore shell 114 and protecgulum 130 also connect by the bonding alternate manner that waits.Meanwhile, reflector 120 and Transparent Parts 140 also can be fixed on protecgulum 130 by modes such as clampings, and now the second threaded fastener 220 can omit.In addition, in above-mentioned focus flashlight 100, the assemblies such as back cover 113, fore shell 114 and protecgulum 130 also can be structure as a whole.
See also Fig. 3, slide block 150 is contained in lamp housing 110, and is arranged on guide rail 112.Slide block 150 opposite rail 112 slidably.Slide block 150 comprises installation portion 151, sliding part 153 and adjusting portion 155.Installation portion 151 is plate-like structure.Sliding part 153 is connected with installation portion 151, and sliding part 153 is slidably disposed on guide rail 112.Adjusting portion 155 is connected with installation portion 151, and is positioned at sliding part 153 side.Adjusting portion 155 offers elongated hole 155a, the sidewall of elongated hole 155a long axis direction is provided with groove 159.
Balance is kept when sliding in order to make slide block 150.Sliding part 153 is two, and two sliding parts 153 are arranged at the two ends of installation portion 151 respectively, and extends to the direction away from light source assembly 160, and two sliding parts 153 form " U " character form structure jointly with installation portion 151.Lamp housing 110 inside is provided with two guide rails 112.Guide rail 112 is boss, and two sliding parts 153 all offer guide groove 153a.It is upper that two boss are arranged at two sliding parts 153 respectively, and boss opposed guide slots 153a slidably, keeps balance to make slide block 150 when sliding.
Adjusting portion 155 is between two sliding parts 153.Slide block 150 also comprises reinforcement 157, and installation portion 151 is connected with sliding part 153 by reinforcement 157.Slide block 150 arranges reinforcement 157, to strengthen the mechanical strength of slide block 150.
When being appreciated that the cross section of boss can be " T " character form structure, sliding part 153 is offered " T " font groove corresponding with boss, boss is arranged in guide groove 153a, and it enough keeps the balance of slide block 150, and now another sliding part 153 can omit.In addition, when the mechanical strength of whole slide block 150 is enough strong, reinforcement 157 also can omit.
Light source assembly 160 is arranged on installation portion 151, and the light that light source assembly 160 sends enters in reflector 120 through through hole 122.Sliding part 153 is provided with many along the axially extended radiating ribs 153b of lamp housing 110, to dispel the heat to light source assembly 160.Slide block 150 can be made up of heat sink material, to strengthen its heat dispersion further.
It is pointed out that radiating ribs 153b can omit when the heat-sinking capability of slide block 150 is enough strong.
Rotating shaft 170 wears shaft hole 111, and one end of rotating shaft 170 is exposed to lamp housing 110 outside.Gear 180 is sheathed in rotating shaft 170.Gear 180 is contained in elongated hole 155a, and is meshed with groove 159.Concrete, rotating shaft 170 is semicircle near the cross section of one end of gear 180, offer the first semi-circular hole (figure does not mark) in the middle part of gear 180, rotating shaft 170 is arranged in the first semi-circular hole, in case spline axle 170 occurs skidding between rotating shaft 170 and gear 180 when rotating.Rotating shaft 170 is rotated, and rotates with driven gear 180.Gear 180 is meshed with the groove 159 in adjusting portion 155.Gear 180 rotates, to impel slide block 150 to slide in lamp housing 110, and finally make light source assembly 160 near or away from reflector 120.Distance between light source assembly 160 and reflector 120 there occurs change, and the focus point of the light that light source assembly 160 sends on reflector 120 also there occurs change, thus changes the scope of focus flashlight 100 irradiation and the brightness of light.
It should be noted that groove 159 comprises the first unidirectional groove 159a and the second unidirectional groove 159b.First unidirectional groove 159a and the second unidirectional groove 159b is ratchet, and its cross section is roughly wedge shape.First unidirectional groove 159a and the second unidirectional groove 159b is arranged on two sides of elongated hole 155a long axis direction respectively, and the first unidirectional groove 159a and the second unidirectional groove 159b towards identical, all towards the side of adjusting portion 155.When gear 180 rotates, no matter its clockwise or rotate counterclockwise, all the time only with first in unidirectional groove 159a and the second unidirectional groove 159b one of gear 180 produces active force, to guarantee that slide block 150 slides smoothly in its glide direction.
Be appreciated that groove 159 also can be ordinary gear, and groove 159 is only arranged on a side of elongated hole 155a long axis direction, without the need to arranging on two sides of long axis direction simultaneously.No matter clockwise or rotate counterclockwise, gear 180 is also only meshed with this groove 159, to produce active force, slide block 150 is slided.
See also Fig. 4, be also provided with annular protrusion 172 in the middle part of rotating shaft 170, the diameter of annular protrusion 172 is greater than shaft hole 111.Rotating shaft 170 is arranged in shaft hole 111, and annular protrusion 172 offsets with the madial wall of lamp housing 110.Annular protrusion 172 is set in the middle part of rotating shaft 170, in case rotating shaft 170 is deviate from from lamp housing 110.Elongated hole 155a is the stepped hole with stage portion 155c, and gear 180 and stage portion 155c offset, and to make gear 180, lamp housing 110 is fixing relatively, and can limit the stroke of slide block 150 slip.
Please again consult Fig. 1, one end that knob 190 and rotating shaft 170 are exposed to lamp housing 110 outside is connected.People can pass through knob 190 rotating shaft 170, thus focus to focus flashlight 100.Lamp housing 110 also offers groove 115.Shaft hole 111 is opened in the bottom land of groove 115, and knob 190 is arranged in groove 115.
Concrete, rotating shaft 170 is exposed to the cross section of one end of lamp housing 110 outside also for semicircle, also offer the second semi-circular hole (figure does not mark) in knob 190, rotating shaft 170 is arranged in the second semi-circular hole, in case spin-ended button 190 skids between knob 190 and rotating shaft 170 when rotating.
Be appreciated that and the anti-skidding lines be convenient to people and rotated it can be offered in one end that rotating shaft 170 is exposed to lamp housing 110 outside, the groove 115 now on knob 190 and lamp housing 110 all can omit.
Above-mentioned focus flashlight 100, compared with traditional focus flashlight, at least has the following advantages:
First, when needing to focus, only need rotating shaft 170, rotating shaft 170 driven gear 180 rotates, and then band movable slider 150 slides in lamp housing 110, and the final distance regulated between light source assembly 160 and reflector 120.Distance between light source assembly 160 and reflector 120 there occurs change, and the focus point of the light that light source assembly 160 sends on reflector 120 also there occurs change, thus changes the scope of focus flashlight 100 irradiation and the brightness of light.Whole focussing process is comparatively convenient, and people can grip while focus flashlight 100 and can complete focusing to focus flashlight 100 by thumb one hand.
Secondly, above-mentioned focus flashlight 100 is compared to traditional focus flashlight, and its focusing structure is more simple, easily manufactures, and reduces cost.
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 (10)
1. a focus flashlight, is characterized in that, comprising:
Lamp housing, is the strip structure of hollow, described lamp housing offers shaft hole, and described lamp housing inside is provided with the axially extended guide rail along described lamp housing;
Reflector, is arranged at one end of described lamp housing, offers through hole bottom described reflector;
Slide block, be contained in described lamp housing, described slide block comprises:
Installation portion is plate-like structure;
Sliding part, is connected with described installation portion, and described sliding part is slidably disposed on described guide rail; And
Adjusting portion, is connected with described installation portion, and is positioned at described sliding part side, and described adjusting portion offers elongated hole, and the sidewall of described elongated hole long axis direction is provided with groove;
Light source assembly, be arranged on described installation portion, the light that described light source assembly sends enters in reflector through described through hole;
Rotating shaft, wears described shaft hole, and one end of described rotating shaft is exposed to described lamp housing outside; And
Gear, be sheathed in described rotating shaft, described gear is contained in described elongated hole, and is meshed with described groove;
Wherein, described axis of rotation, to drive described pinion rotation, described gear is meshed with described groove, to impel slide block to slide in described lamp housing, and finally make described light source assembly near or away from described reflector.
2. focus flashlight according to claim 1, it is characterized in that, described groove comprises the first unidirectional groove and the second unidirectional groove, described first unidirectional groove and described second unidirectional groove are arranged on two sides of described elongated hole long axis direction respectively, and described first unidirectional groove and described second unidirectional groove towards identical.
3. focus flashlight according to claim 1, it is characterized in that, described lamp housing offers groove, described shaft hole is opened in the bottom land of described groove, described focus flashlight also comprises knob, described knob is arranged in described groove, and is connected with one end that described rotating shaft is exposed to described lamp housing outside.
4. focus flashlight according to claim 1, it is characterized in that, be also provided with annular protrusion in the middle part of described rotating shaft, the diameter of described annular protrusion is greater than described shaft hole, described rotating shaft is arranged in described shaft hole, and the madial wall of described annular protrusion and described lamp housing offsets.
5. focus flashlight according to claim 4, is characterized in that, described elongated hole is the stepped hole with stage portion, and described gear and described stage portion offset.
6. focus flashlight according to claim 1, it is characterized in that, described sliding part is two, two described sliding parts are arranged at the two ends of described installation portion respectively, and extend to the direction away from described light source assembly, two described sliding parts and described installation portion form " U " character form structure jointly, and described regulator site is between two described sliding parts, described slide block also comprises reinforcement, and described installation portion is connected with described sliding part by described reinforcement.
7. focus flashlight according to claim 6, is characterized in that, described sliding part is provided with many along the axially extended radiating ribs of described lamp housing.
8. focus flashlight according to claim 1, is characterized in that, described guide rail is boss, and described sliding part offers guide groove, and described boss is arranged in described guide groove, and relatively described guide groove slidably.
9. focus flashlight according to claim 1, is characterized in that, described lamp housing comprises:
Back cover is the long tubular structure of one end open; And
Fore shell is horn-like structure, comprises stub end and little head end, and the little head end of described fore shell is connected with the openend of described back cover, and described reflector is partially housed in described fore shell.
10. focus flashlight according to claim 9, it is characterized in that, the stub end of described fore shell offers external screw thread, described focus flashlight also comprises protecgulum, described protecgulum offers internal thread, described protecgulum and described fore shell are screwed, and described reflector is fixed on described protecgulum, and are arranged at one end of described lamp housing by described protecgulum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310377357.7A CN104421629A (en) | 2013-08-26 | 2013-08-26 | Focusing flashlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310377357.7A CN104421629A (en) | 2013-08-26 | 2013-08-26 | Focusing flashlight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104421629A true CN104421629A (en) | 2015-03-18 |
Family
ID=52971401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310377357.7A Pending CN104421629A (en) | 2013-08-26 | 2013-08-26 | Focusing flashlight |
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| Country | Link |
|---|---|
| CN (1) | CN104421629A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4916588A (en) * | 1988-08-01 | 1990-04-10 | Akron Industrial Limited | A flashlight with focus and switch control |
| GB2309073A (en) * | 1996-01-12 | 1997-07-16 | Steven Andrew Griffiths | A variable focus torch |
| CN201062764Y (en) * | 2007-08-09 | 2008-05-21 | 蒋加祥 | Device for regulating light of electric torch |
| CN201152464Y (en) * | 2008-01-22 | 2008-11-19 | 杭州巨星科技股份有限公司 | Focusing electrical flashlight |
| CN202452130U (en) * | 2012-02-09 | 2012-09-26 | 钟道广 | Flashlight capable of quickly zooming by single hand and locking focal distance by multiple gears |
| CN102767794A (en) * | 2012-07-30 | 2012-11-07 | 王建春 | Automatic lamp focusing structure and flashlight with same |
| CN103016960A (en) * | 2011-09-27 | 2013-04-03 | 海洋王（东莞）照明科技有限公司 | Focusing electric torch |
-
2013
- 2013-08-26 CN CN201310377357.7A patent/CN104421629A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4916588A (en) * | 1988-08-01 | 1990-04-10 | Akron Industrial Limited | A flashlight with focus and switch control |
| GB2309073A (en) * | 1996-01-12 | 1997-07-16 | Steven Andrew Griffiths | A variable focus torch |
| CN201062764Y (en) * | 2007-08-09 | 2008-05-21 | 蒋加祥 | Device for regulating light of electric torch |
| CN201152464Y (en) * | 2008-01-22 | 2008-11-19 | 杭州巨星科技股份有限公司 | Focusing electrical flashlight |
| CN103016960A (en) * | 2011-09-27 | 2013-04-03 | 海洋王（东莞）照明科技有限公司 | Focusing electric torch |
| CN202452130U (en) * | 2012-02-09 | 2012-09-26 | 钟道广 | Flashlight capable of quickly zooming by single hand and locking focal distance by multiple gears |
| CN102767794A (en) * | 2012-07-30 | 2012-11-07 | 王建春 | Automatic lamp focusing structure and flashlight with same |
Non-Patent Citations (1)
| Title |
|---|
| 高峰等: "《机械基础》", 31 March 2012, 北京理工大学出版社 * |
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Application publication date: 20150318 |