CN102767794A - Automatic lamp focusing structure and flashlight with same - Google Patents
Automatic lamp focusing structure and flashlight with same Download PDFInfo
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- CN102767794A CN102767794A CN2012102659404A CN201210265940A CN102767794A CN 102767794 A CN102767794 A CN 102767794A CN 2012102659404 A CN2012102659404 A CN 2012102659404A CN 201210265940 A CN201210265940 A CN 201210265940A CN 102767794 A CN102767794 A CN 102767794A
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- actuating unit
- lamp
- illuminator
- lamp housing
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Abstract
The invention discloses an automatic lamp focusing structure comprising a luminous body and a lens and being characterized by further comprising a power mechanism arranged in a lamp housing and capable of rotating forwards and backwards and a focusing assembly capable of moving back and forth relative to the lens under the drive of the power mechanism, wherein the luminous body is fixed on the focusing assembly, and the lamp housing is provided with a button switch for activating the power mechanism to rotate forwards and backwards. Compared with the prior art, the automatic lamp focusing structure has the following advantages that: firstly, the forward rotation and backward rotation of the power mechanism are realized by the button switch arranged outside the lamp housing so that the distance from the luminous body to the lens is adjusted automatically; and the focusing process is controlled by a single-chip microcomputer, so that more convenience in adjustment and higher intelligent degree are realized; and secondarily, the flashlight has better waterproof property to be suitable for underwater service due to a first waterproof ring arranged on a threaded connection between a sleeve and a lamp cap and a second waterproof ring arranged on a connection between a lamp tube and a tail cover.
Description
Technical field
The present invention relates to a kind of flashlight, relate in particular to a kind of light fixture automatic focusing structure and use the flashlight of this focusing structure.
Background technology
Flashlight is one of illuminations of often using in people's daily life; Existing flashlight generally can both change illumination distances and optically focused degree through focusing; Its essential structure and focusing principle are: its bulb socket of turn is with the distance between change condenser lens and the illuminator (general tengsten lamp or light emitting diode), and then the adjustment effect of the remote illumination of realization (optically focused, high brightness) and closely throw light on (floodlight, large tracts of land).Like the patent No. is ZL201120064435.4 (Granted publication number for CN 202109214U) disclosed " the burnt flashlight of new type of adjustable "; The light face reflector of this scalable flashlight is set in and is provided with outside the fixing orange peel reflector of the lamp socket of electric light source; Be provided with on this sleeve with light face reflector on the pilot hole that cooperates of pin; This sleeve is with the dial that rotates synchronously with rolling disc; On dial, be provided with and the dial hole or the dial guide groove of pinning and cooperating, said rolling disc and stack shell are rotatably assorted.In when focusing, said rolling disc drives dial and rotates synchronously, and light face reflector outwards moves under pin and dial hole or the effect of dial guide groove, and this pin cooperates with pilot hole on the sleeve said light face reflector straight line is moved simultaneously.Though the focusing structure of above-mentioned this focus flashlight is comparatively simple,, it realizes focusing through manually stirring rolling disc, can not realize automatic adjusting, and the effect of regulating is also not ideal enough.
In addition; The automatic focusing formula flashlight that can regulate distance between condenser lens and the illuminator is automatically also arranged in the prior art,, on lamp housing, be respectively equipped with the press button that two control actuating units rotate and reverse such as a like this automatic focusing flashlight is arranged; In lamp housing, be provided with upper stroke switch and lower stroke switch; Drive plunger assembly by actuating unit and upwards perhaps move down, and after correspondingly triggering upper stroke switch or lower stroke switch, the just commentaries on classics of actuating unit or counter-rotating stop.It is thus clear that because this automatic focusing structure need be installed following two travel switches in lamp housing and two press buttones are installed outside lamp housing, thereby structure is comparatively complicated; And because different focusing process needs is pressed different press buttones, thereby the focusing operation is convenient inadequately, and the intelligent degree of focusing remains further to be improved.
Summary of the invention
First technical problem to be solved by this invention is to above-mentioned prior art present situation, provides a kind of simple in structure and focus light fixture automatic focusing structure more convenient, intelligent.
Second technical problem to be solved by this invention is to above-mentioned prior art present situation, provides a kind of and can realize automatically focusing and the flashlight of better tightness.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: this light fixture automatic focusing structure; Comprise the lens illuminator inner of being located at the lamp housing head with being located at lamp housing; It is characterized in that: also comprise and be located at the inner and actuating unit that can rotate and reverse of lamp housing and drive down the focusing component that said lens work relatively moves around at this actuating unit; Said illuminator is fixed on this focusing component, on said lamp housing, is provided with one and starts the press button that said actuating unit rotates and reverse.
Described actuating unit can adopt multiple control modes, preferably, also includes the single-chip microcomputer that a control actuating unit rotates and reverse, and said single-chip microcomputer is located at lamp housing inside and is electrically connected with said press button.Like this; As long as single-chip microcomputer Stroke Control program reasonable in design; Press button with above-mentioned startup actuating unit rotates and reverse can be realized the electrodeless focusing of light fixture; And focusing component comes and goes the haul distance that moves and comes and goes mobile whole journey time and all can in SCM program, preestablish.
Further preferred; Said lamp housing inside is provided with gathering sill or the pilot hole along the lamp housing axial distribution; Described focusing component comprises that the bottom has the illuminator seat and the threaded column of internal thread hole, and said illuminator is installed on this illuminator seat, and said illuminator seat head edge is provided with the lug that is fastened in said gathering sill or the pilot hole; The front end of said threaded column is threaded in the described internal thread hole, and the rear end of said threaded column is connected with the output shaft of said actuating unit.Above-mentioned this focusing component structure is comparatively simple, and under actuating unit drove, this focusing component can move around inner work of lamp housing like a cork.
Further preferred as such scheme; Be provided with a sleeve in the described lamp housing; Respectively be provided with a said pilot hole along the sleeve axial distribution in the front end two opposite sides of this sleeve; The rear end of this sleeve is fixed on the actuating unit seat, and said actuating unit is installed in this actuating unit seat, and described press button is located on the sidewall of this actuating unit seat.Through sleeve is set, can play better guide effect to moving around of focusing component, move it more steady; Through the actuating unit seat is set, can make actuating unit can be fixedly mounted in lamp housing inside, the rotation of actuating unit output shaft is also more steady, thereby also helps steadily moving of focusing component.
The actuating unit output shaft can be connected with the threaded column of focusing component in several ways; Preferably; It is protruding that said actuating unit output shaft front end is provided with " ten " font, and the rear end of said threaded column is provided with " ten " font groove that matches with said " ten " font convexity.Adopt concavo-convex " ten " font to cooperate, not only structure is comparatively simple, and cooperates also comparatively firm.
A kind of flashlight of using above-mentioned light fixture automatic focusing structure; Comprise lamp holder, lamp tube and tail-hood, said lens are installed in the lamp holder front end, and the front end of said sleeve is threaded with said lamp holder rear end; The rear end of said actuating unit seat and said lamp tube front end form and are tightly connected; Described tail-hood is threaded with said lamp tube rear end, it is characterized in that: be provided with first water proof ring in the threaded connection place of said sleeve and lamp holder, be provided with second water proof ring in the threaded connection place of said lamp tube and tail-hood.After first water proof ring and second water proof ring were set, water was difficult for the entering lamp tube inside from the outside, thereby makes this flashlight to use under water.
Preferably, the rear end face of said tail-hood is provided with the power switch of ability opening and closing actuating unit power supply and luminophor power.Like this, this power switch can be used as master switch and uses, and only opens this power switch, and illuminator just can be luminous, simultaneously, and actuating unit and press button ability operate as normal; Close this power switch, illuminator stops luminous, and simultaneously, actuating unit and press button quit work.
Compared with prior art; The invention has the advantages that: at first; This light fixture automatic focusing structure can realize rotating and reverse of actuating unit through being positioned at the outer press button of lamp housing; And and then regulate the distance between illuminator and the lens automatically, and the focusing process adopts Single-chip Controlling, makes that to regulate more convenient, intelligent degree higher; Secondly, first water proof ring of the threaded connection place through being located at sleeve and lamp holder and second water proof ring of being located at the threaded connection place of lamp tube and tail-hood make this flashlight have better water proofing property, to be applicable to use under water.
Description of drawings
Fig. 1 is the perspective exploded view of automatic focusing structure of the present invention;
Fig. 2 is the perspective exploded view of another angle of Fig. 1;
Fig. 3 is the perspective view of flashlight of the automatic focusing structure of application drawing 1;
Fig. 4 is in the cutaway view under the focus state for Fig. 3;
Fig. 5 is in the cutaway view under another focus state for Fig. 3;
Fig. 6 is the perspective exploded view of Fig. 3.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
As depicted in figs. 1 and 2; The light fixture automatic focusing structure of present embodiment comprises lens 3, illuminator 4, actuating unit 1 and the focusing component that relative lens 3 works move around under actuating unit drives; Wherein, Lens 3 are fixed on lamp holder 10 heads, and focusing component is positioned at the rear of lamp holder 10, and 4 of illuminators are fixedly mounted on the focusing component.
The actuating unit 1 of present embodiment adopts motor, and motor is installed on the actuating unit seat 9.Front end at actuating unit seat 9 is fixed with sleeve 8, respectively is provided with a pilot hole 81 along the sleeve axial distribution in the front end two opposite sides of sleeve 8.Adjusting part matches with actuating unit 1 and sleeve 8, and particularly, adjusting part comprises illuminator seat 5 and threaded column 6, and illuminator 4 is installed on the illuminator seat 5.Head edge at illuminator seat 5 is provided with two lugs that are oppositely arranged 51; Lug 51 is fastened in the corresponding cage guiding hole 81; Form internal thread hole 52 in the bottom of illuminator seat 5; The front end of threaded column 6 is threaded in this internal thread hole 52, and the rear end of threaded column 6 is connected with actuating unit output shaft 7.In the present embodiment; Be provided with " ten " font protruding 71 at actuating unit output shaft 7 front ends; Be provided with and be somebody's turn to do " ten " font groove 61 that " ten " font convexity 71 matches in the rear end of threaded column 6; Adopt this concavo-convex " ten " font fit structure, not only structure is comparatively simple, and cooperates also comparatively firm.In addition, have installing hole at the sidewall of actuating unit seat 9, press button 2 is installed in installing hole, this press button 2 is used for starting rotating and reverse of actuating unit 1.
Especially, present embodiment also is equipped with the single-chip microcomputer (not shown) that control actuating unit 1 rotates and reverse in actuating unit seat 9 inside, and the press button 2 that startup actuating unit 1 rotates and reverse is electrically connected with this single-chip microcomputer.As long as single-chip microcomputer Stroke Control program reasonable in design; Can realize the electrodeless focusing of light fixture with above-mentioned press button 2; And focusing component comes and goes the haul distance that moves and comes and goes the whole journey time that moves and all can in SCM program, preestablish.
The operation principle of the light fixture automatic focusing structure that present embodiment provides is following: suppose that at first illuminator 4 is in the maximum distance apart away from lens 3, according to single-chip microcomputer Stroke Control program, press the button switch 2 back and unclamp; Actuating unit 1 is just changeing; Actuating unit output shaft 7 outputting powers are given threaded column 6 and are driven threaded column 6 rotations, and threaded column 6 further outputting powers are given illuminator seat 5, because illuminator seat 5 is fastened in the pilot hole 81 of sleeve 8 through its lug 51; Thereby; Along with the rotation of threaded column 6, illuminator seat 5 can only move forward along the pilot hole 81 of sleeve 8, thereby furthers distance between illuminator 4 and the lens 3.If in this focusing process; No longer press button 2 is done any operation; Then illuminator 4 continues near lens 3; When the distance between illuminator 4 and lens 3 reached the minimum range that single-chip microcomputer Stroke Control program sets, single-chip microcomputer output control signal was given actuating unit 1, makes actuating unit 1 stall; If in this focusing process, press the button switch 2 once more, then according to the single-chip microcomputer Stroke Control program of setting, single-chip microcomputer output control signal is given actuating unit 1, actuating unit 1 stall, illuminator seat 5 and illuminator 4 just stop to move to lens 3 directions.After this; Press the button switch 2 once more; Single-chip microcomputer output control signal is given actuating unit 1, and actuating unit 1 continues just to change, and illuminator seat 5 continues to move to lens 3 directions with illuminator 4; Between illuminator 4 and lens 3 reach the minimum range that single-chip microcomputer Stroke Control program sets the time, actuating unit 1 stall.It is thus clear that it is comparatively convenient that this automatic focusing process is not only operated, and intelligent degree is better.In this automatic focusing structure, be designed to 3 seconds from the whole journey time that the maximum position away from lens 3 moves near the minimum position place of lens 3 incessantly for illuminator 4.Certainly, as required, the trip time also can be done corresponding adjustment.
Between illuminator 4 and lens 3, be under the state of minimum range, press the button switch 2 and unclamp that actuating unit 1 begins counter-rotating, actuating unit 1 drives illuminator 4 beginnings and begins the focusing process away from lens 3.Likewise, under the driving of actuating unit 1, illuminator seat 5 can only move along the pilot hole 81 of sleeve backward; If in this moving process; Press button 2 is not done any operation, then illuminator 4 continues away from lens 3, when the distance between illuminator 4 and lens 3 reaches the ultimate range that SCM program sets; Single-chip microcomputer output control signal is given actuating unit 1, makes actuating unit 1 stall.Correspondingly, the time of this whole focusing stroke also is designed to 3 seconds.In this focusing process, the automatic focusing process the when course of action that presses the button switch 2 back focusing assemblies once more can just change with reference to above-mentioned actuating unit 1 equally.
Extremely shown in Figure 6 like Fig. 3; Flashlight in the present embodiment has been used automatic focusing structure illustrated in figures 1 and 2; This flashlight comprises lamp holder 10, lamp tube 11 and tail-hood 12, and said lens 3 are installed in lamp holder 10 front ends, and the front end of said sleeve 8 is threaded with lamp holder 10 rear ends mutually; The rear end of said actuating unit seat 9 and lamp tube 11 front ends form and are tightly connected, and tail-hood 12 is threaded with lamp tube 11 rear ends mutually.Lamp tube 11 inside are provided with battery 18; In the front end inside of lamp tube 11 first limiting cylinder 16 is installed; The afterbody of actuating unit 1 passes these first limiting cylinder, 16 backs and is connected with battery 18, and first limiting cylinder 16 can be spacing preferably in lamp tube 11 with actuating unit 1.In addition, second limiting cylinder 17 is installed in the inside of actuating unit seat 9, the head of actuating unit 1 is to link to each other with threaded column 6 after actuating unit output shaft 7 passes this second limiting cylinder 17.In order to make this flashlight possess fire resistance characteristic, the flashlight of present embodiment is provided with first water proof ring 13 in the threaded connection place of sleeve 8 and lamp holder 10, is provided with second water proof ring 14 in the threaded connection place of lamp tube 11 and tail-hood 12.
In addition, this flashlight also is equipped with the power switch 15 of ability opening and closing actuating unit power supply and luminophor power at the rear end face of tail-hood 12.Press this power switch 15, illuminator 4 is lighted, and simultaneously, actuating unit 1 is in press button 2 treats duty, and the user can realize the automatic focusing process of flashlight through pressing press button 2, and the process of specifically focusing is the existing detailed description of length as above.In the focusing process, as long as press this power switch 15 once more, illuminator 4 is extinguished, and simultaneously, actuating unit 1 stops operating, and press button 2 is also entirely ineffective.
Claims (7)
1. light fixture automatic focusing structure; Comprise the lens (3) of being located at the lamp housing head and be located at the inner illuminator (4) of lamp housing; It is characterized in that: also comprise and be located at the inner and actuating unit (1) that can rotate and reverse of lamp housing and drive down the focusing component that said lens (3) work relatively moves around at this actuating unit (1); Said illuminator (4) is fixed on this focusing component, on said lamp housing, is provided with one and starts the press button (2) that said actuating unit rotates and reverse.
2. light fixture automatic focusing structure according to claim 1 is characterized in that: also include the single-chip microcomputer that a said actuating unit of control (1) rotates and reverse, this single-chip microcomputer is located at lamp housing inside and is electrically connected with said press button (2).
3. light fixture automatic focusing structure according to claim 1 and 2; It is characterized in that: said lamp housing inside is provided with gathering sill or the pilot hole along the lamp housing axial distribution; Described focusing component comprises that the bottom has the illuminator seat (5) and the threaded column (6) of internal thread hole (52); Said illuminator (4) is installed on this illuminator seat (5); Said illuminator seat (5) head edge is provided with the lug (51) that is fastened in said gathering sill or the pilot hole, and the front end of said threaded column (6) is threaded in the described internal thread hole (52), and the rear end of said threaded column (6) is connected with the output shaft (7) of said actuating unit (1).
4. light fixture automatic focusing structure according to claim 3; It is characterized in that: be provided with a sleeve (8) in the described lamp housing; Respectively be provided with a said pilot hole (81) along the sleeve axial distribution in the front end two opposite sides of this sleeve (8); The rear end of this sleeve (8) is fixed on the actuating unit seat (9), and said actuating unit (1) is installed in this actuating unit seat (9), and described press button (2) is located on the sidewall of this actuating unit seat (9).
5. light fixture automatic focusing structure according to claim 4; It is characterized in that: said actuating unit output shaft (7) front end is provided with " ten " font protruding (71), and the rear end of said threaded column (6) is provided with " ten " font groove (61) that matches with said " ten " font protruding (71).
6. an application rights requires the flashlight of 4 or 5 said light fixture automatic focusing structures; Comprise lamp holder (10), lamp tube (11) and tail-hood (12); Said lens (3) are installed in lamp holder (10) front end; The front end of said sleeve (8) is threaded with said lamp holder (10) rear end, and the rear end of said actuating unit seat (9) and said lamp tube (11) front end form and be tightly connected, and described tail-hood (12) is threaded with said lamp tube (11) rear end; It is characterized in that: the threaded connection place at said sleeve (8) and lamp holder (10) is provided with first water proof ring (13), is provided with second water proof ring (14) in the threaded connection place of said lamp tube (11) and tail-hood (12).
7. flashlight according to claim 6 is characterized in that: the rear end face of said tail-hood (12) is provided with the power switch (15) of ability opening and closing actuating unit (1) power supply and illuminator (4) power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102659404A CN102767794A (en) | 2012-07-30 | 2012-07-30 | Automatic lamp focusing structure and flashlight with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102659404A CN102767794A (en) | 2012-07-30 | 2012-07-30 | Automatic lamp focusing structure and flashlight with same |
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| CN102767794A true CN102767794A (en) | 2012-11-07 |
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| CN2012102659404A Pending CN102767794A (en) | 2012-07-30 | 2012-07-30 | Automatic lamp focusing structure and flashlight with same |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104406058A (en) * | 2014-11-20 | 2015-03-11 | 阳西星际科技有限公司 | Pressure withstanding focusing flashlight and focusing assembly thereof |
| CN104421629A (en) * | 2013-08-26 | 2015-03-18 | 海洋王（东莞）照明科技有限公司 | Focusing flashlight |
| CN104534295A (en) * | 2015-01-19 | 2015-04-22 | 李文杰 | Electric torch capable of achieving dimming conveniently and rapidly |
| CN104676260A (en) * | 2013-11-29 | 2015-06-03 | 海洋王（东莞）照明科技有限公司 | Flashlight |
| CN105757491A (en) * | 2014-12-15 | 2016-07-13 | 深圳市海洋王照明工程有限公司 | Multifunctional flashlight with automatic focusing structure |
| CN108730800A (en) * | 2018-08-28 | 2018-11-02 | 商洛市虎之翼科技有限公司 | A kind of the stepless focusing mechanism and its lighting device of lighting device |
| CN112128634A (en) * | 2020-09-23 | 2020-12-25 | 揭阳市纬达斯科技有限公司 | Flashlight convenient and rapid to replace battery |
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| CN102563367A (en) * | 2011-12-28 | 2012-07-11 | 徐永伟 | Flashlight capable of focusing automatically |
| CN202835204U (en) * | 2012-07-30 | 2013-03-27 | 王建春 | Automatic focusing structure for lamp and flashlight employing automatic focusing structure |
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| CN2605461Y (en) * | 2003-02-28 | 2004-03-03 | 杜和方 | Waterproofing high-brightness LED electric torch |
| CN102563367A (en) * | 2011-12-28 | 2012-07-11 | 徐永伟 | Flashlight capable of focusing automatically |
| CN202835204U (en) * | 2012-07-30 | 2013-03-27 | 王建春 | Automatic focusing structure for lamp and flashlight employing automatic focusing structure |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104421629A (en) * | 2013-08-26 | 2015-03-18 | 海洋王（东莞）照明科技有限公司 | Focusing flashlight |
| CN104676260A (en) * | 2013-11-29 | 2015-06-03 | 海洋王（东莞）照明科技有限公司 | Flashlight |
| CN104676260B (en) * | 2013-11-29 | 2019-03-08 | 海洋王（东莞）照明科技有限公司 | A kind of torch |
| CN104406058A (en) * | 2014-11-20 | 2015-03-11 | 阳西星际科技有限公司 | Pressure withstanding focusing flashlight and focusing assembly thereof |
| CN104406058B (en) * | 2014-11-20 | 2017-11-21 | 阳西星际科技有限公司 | Pressure-resistant Zooming electric torch and its variable focus package |
| CN105757491A (en) * | 2014-12-15 | 2016-07-13 | 深圳市海洋王照明工程有限公司 | Multifunctional flashlight with automatic focusing structure |
| CN105757491B (en) * | 2014-12-15 | 2020-06-23 | 深圳市海洋王照明工程有限公司 | Multifunctional flashlight with automatic focusing structure |
| CN104534295A (en) * | 2015-01-19 | 2015-04-22 | 李文杰 | Electric torch capable of achieving dimming conveniently and rapidly |
| CN108730800A (en) * | 2018-08-28 | 2018-11-02 | 商洛市虎之翼科技有限公司 | A kind of the stepless focusing mechanism and its lighting device of lighting device |
| CN112128634A (en) * | 2020-09-23 | 2020-12-25 | 揭阳市纬达斯科技有限公司 | Flashlight convenient and rapid to replace battery |
| CN112128634B (en) * | 2020-09-23 | 2022-06-17 | 揭阳市纬达斯科技有限公司 | Flashlight convenient and rapid to replace battery |
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Application publication date: 20121107 |