CN204269939U - Laser pattern regulating device and the laser pen comprising it - Google Patents
Laser pattern regulating device and the laser pen comprising it Download PDFInfo
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- CN204269939U CN204269939U CN201420552097.2U CN201420552097U CN204269939U CN 204269939 U CN204269939 U CN 204269939U CN 201420552097 U CN201420552097 U CN 201420552097U CN 204269939 U CN204269939 U CN 204269939U
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Abstract
The utility model discloses a kind of laser pattern regulating device and comprise its laser pen, laser pattern regulating device (100), it comprises base joint (1), pattern template rotating disk (2), axial retention parts and pattern diffractive part.Described base joint (1) has the first central through hole (11) and eccentric mounting chamber (12).Described eccentric mounting chamber (12) is configured to make: the movement of described pattern template rotating disk (2) in the sagittal plane of described eccentric mounting chamber (12) is prohibited, further, the central axis of described pattern template rotating disk (2) parallels with the central axis of described first central through hole (11) and at a distance of a distance D determined.The utility model also relates to the laser pen comprising described laser pattern regulating device (100).The utility model is simple and compact for structure, easily manufactured, cost is reasonable, reliable and stable, safety durable.
Description
Technical field
The utility model relates to laser instrument (H01S 3/00) technical field, and it can realize with special or non-general light projector effect be feature pattern or picture (B44F 1/00).The utility model is in particular to the regulating device (G02B 7/00) of laser pattern, and it can change luminous characteristic and distribution (F21V 14/00) by means of regulating parts.
The utility model also relates to the laser pen comprising described laser pattern regulating device.
Background technology
Low-energy one-wavelength laser commonly uses instruction far away or near object, neon lamp decoration, telltale etc.Laser pen is the carrier that low-energy one-wavelength laser is comparatively commonly used.
The open a kind of teaching laser pen of patent documentation CN203706489U, relates to a kind of laser pen.The utility model solves laser beam projects that existing teaching laser pen launches to the single problem of the shape on screen.The utility model is on the basis of existing laser pen, add luminous point adjustment assembly, support in this laser adjustment assembly is provided with the laser masterplate of annular, this laser template is provided with N number of pattern, adjustment ring in this laser adjustment assembly is enclosed within hull outside, its inwall is provided with stopper slot and N number of locating slot, and the position that hull outside wall is corresponding with stopper slot is provided with restriction protrusion, and the position that hull outside wall is corresponding with each locating slot is provided with a locator protrusions.Present embodiment, when reality uses, realizing changing the position of laser template, thus making laser beam by the some patterns in laser template, and then carrying out shaping to laser beam, form the laser beam of corresponding pattern by rotating adjustment ring.
This patent documentation CN203706489U achieves technical scheme laser circular light spot being become various laser pattern.
Laser landscape lighting apparatus, stage laser lamp, laser performing device etc. have been widely used in amusement, video display and decoration industry.
Patent documentation CN201173996Y the utility model has announced a kind of laser lamp scanning head, comprise X-Y scan module and grating rotating scan module, grating rotating scan module comprises the first grating and the first drive unit, the clutch end of the first drive unit is coupled to the first grating to drive the first grating rotating, X-Y scan module is arranged at incident laser received bit, first grating is arranged at the bright dipping region of X-Y scan module, also comprises and is arranged between X-Y scan module and the first grating or is arranged at second grating in bright dipping region of the first grating.The utility model has also announced a kind of laser performing device, its laser lamp scanning head, except comprising X-Y scan module and grating rotating scan module, also comprises and is arranged between X-Y scan module and the first grating or is arranged at second grating in bright dipping region of the first grating.Owing to being provided with the second grating, laser can present the firefly pattern moved integrally after two-stage optical grating diffraction, more abundant compared with the pattern performance of known technology.
This patent documentation CN201173996Y achieves the distortion of laser pattern, distribution and motion by optical diffraction principle.
In order to the laser pattern change function of just laser performing device is attached in the laser pen of portable or hand-held, those skilled in the art pay many creative works for realizing miniaturization.
Patent documentation CN202972945U relates to a kind of many rastering laser lamp holder.It comprises first-order optical grating base (2) and two-grade grating base (6), described two-grade grating base (6) is provided with a two-grade grating (4), described first-order optical grating base (2) is provided with above multiple first-order optical grating and circumferentially distributes the grating group (3) of composition, first-order optical grating base (2) and two-grade grating base (6) are rotationally connected, and when rotating first-order optical grating base (2), two-grade grating (4) can be made corresponding with each first-order optical grating in grating group (3) respectively.The utility model can obtain multiple hot spot decorative pattern with a laser pen, decorative environment.And it is simple to have structure, volume is little, saves space, sensitive, not fragile, the advantages such as cost is low.
This patent documentation CN202972945U achieves the miniaturization of laser performing device substantially, and achieves the conversion of laser facula decorative pattern.
Patent documentation CN203084982U relates to a kind of laser pen, it comprises a shell, laser module, laser module is arranged in a shell, laser module front end arranges the first lenticular lenses and the second lenticular lenses, first lenticular lenses and the second lenticular lenses are arranged on the light path center of laser module, it also comprises motor, motor is connected with the first lenticular lenses, driven by motor and rotate, shell surface arranges the unlatching of button control laser module and motor, close, the technical program adds motorized adjustment function, the function of laser pen is strengthened, and the change in pattern of motorized adjustment is continuously continual, pace of change is also uniformity, considerably increase the function of laser pen and recreational, laser pen still has manual adjustments function, and user can initiatively select motorized adjustment or manual adjustments as required, and the assembling of structural member and structural member all can adopt interference fit or threaded engagement, is very easy to assembling.
This patent documentation CN203084982U achieves the variation effect of motorized adjustment or manual adjustments laser pattern in laser pen.
The laser pen patent CN202929886U of the applicant discloses a kind of implement device of laser effect pattern.Laser pen is characterised in that from top to bottom, comprise mirror holder, pressure ring, rotating cylinder head, All-in-One rotating cylinder head, joint successively, press head: described All-in-One rotating cylinder head, for circular ring structure, and the deep gouge structure that can embed laser effect diaphragm is had at circle ring inner wall, described laser effect diaphragm has at least two or more laser patterns.In order to overcome too much, the awkward defect of existing product accessory, the utility model have employed the mode that All-in-One laser effect diaphragm and physical construction match, and realizes the laser pattern effect of pattern more than.Thus greatly decrease product component quantity, and improve degree easy and simple to handle simultaneously.
This patent CN 202929886 U attempts the motion change realizing laser pattern with minimum product component quantity.
Design structure simple, stablize durable, cost reasonably, the laser pen with motion change laser pattern effect is still the direction that those skilled in the art make great efforts.
Utility model content
For solving the problems of the technologies described above, the utility model proposes a kind of new laser pattern regulating device, its structure be simple, cost rationally, simple and convenient assembly, operation be reliable, it is durable to stablize.
The utility model proposes a kind of new laser pattern regulating device, it can be used in all kinds of laser instrument to produce the laser pattern of motion change effect.
Main design thought of the present utility model is to use the least possible part to construct laser pattern regulating device, thus uses laser pen to have the function of the laser pattern of generation motion change effect.
For this reason, the purpose of this utility model is to propose laser pattern regulating device, and it comprises base joint, pattern template rotating disk, axial retention parts and pattern diffractive part;
Described base joint has the first central through hole and eccentric mounting chamber, and wherein, described eccentric mounting chamber is connected with described first central through hole;
The laser pattern template with at least one width unit pattern is fixed and held in described pattern template rotating disk;
Described pattern template rotating disk is positioned in described eccentric mounting chamber, and, described pattern template rotating disk can around the center axis thereof of self in described eccentric mounting chamber, thus the different units pattern of described laser pattern template can be taken to described first central through hole place, and passed by the central axis of described first central through hole;
Described eccentric mounting chamber is configured to make: the movement of described pattern template rotating disk in the sagittal plane in described eccentric mounting chamber is prohibited, further, the central axis of described pattern template rotating disk parallels with the central axis of described first central through hole and at a distance of a distance D determined;
Described axial retention parts ensure that described pattern template rotating disk is prohibited along moving axially of its center axis;
Described pattern diffractive part is installed on described base joint movably, and wherein, described pattern diffractive part can around the center axis thereof of described first central through hole;
Described base joint, pattern template rotating disk, axial retention parts and pattern diffractive part are assembled in placely to be made: on the unit pattern that laser beam L is irradiated to the laser pattern template of described pattern template rotating disk successively along the central axis of the first central through hole of described base joint and described pattern diffractive part, thus, the round of described laser beam is formed laser diffraction pattern.
The utility model also proposes the laser pen that a kind of laser pattern effect can change, it comprises laser pattern regulating device as herein described, wherein, described laser pattern regulating device is threaded onto in the main body of described laser pen by first on described base joint, and, the laser beam that the main body of described laser pen is launched passes the first central through hole, eccentric mounting chamber, pattern template rotating disk, rotating cylinder head, eyeglass bearing and transmission grating successively, thus, the round of described laser beam is formed laser diffraction pattern.
The Advantageous Effects of laser pattern regulating device of the present utility model is: simple and compact for structure, easily manufactured, cost is reasonable, reliable and stable, safety durable.
Accompanying drawing explanation
With reference to accompanying drawing, feature of the present utility model, advantage and characteristic are able to better understanding, in accompanying drawing by the description of embodiment hereafter:
Fig. 1: the front view of laser pattern regulating device 100 of the present utility model;
Fig. 2: the right view of laser pattern regulating device 100 of the present utility model;
Fig. 3: laser pattern regulating device 100 of the present utility model press A-A in Fig. 2 to cut-open view, wherein, base joint 1, pattern template rotating disk 2, rotating cylinder head 3, snap ring 4 and eyeglass bearing 5 are assembled in place;
Fig. 4: the side view that the base joint 1 of laser pattern regulating device 100 of the present utility model and pattern template rotating disk 2 fit together;
Fig. 5: the main cut-open view of base joint 1 of the present utility model;
Fig. 6: the right view of base joint 1 of the present utility model;
Fig. 7: the rear view of base joint 1 of the present utility model;
Fig. 8: the main cut-open view of pattern template rotating disk 2 of the present utility model;
Fig. 9: the main cut-open view of rotating cylinder head 3 of the present utility model;
Figure 10: the front view of snap ring 4 of the present utility model;
Figure 11: the side view of snap ring 4 of the present utility model;
Figure 12: the main cut-open view of eyeglass bearing 5 of the present utility model;
Figure 13: the decomposing schematic representation of laser pattern regulating device 100 of the present utility model;
Figure 14: the decomposing schematic representation of laser pattern regulating device 100 of the present utility model, wherein, base joint 1 and pattern template rotating disk 2 are assembled in place;
Figure 15: the decomposing schematic representation of laser pattern regulating device 100 of the present utility model, wherein, base joint 1, pattern template rotating disk 2 and rotating cylinder head 3 are assembled in place;
Figure 16: the decomposing schematic representation of laser pattern regulating device 100 of the present utility model, wherein, base joint 1, pattern template rotating disk 2, rotating cylinder head 3 and snap ring 4 are assembled in place;
In the drawings, same or similar element uses same figure notation, and different elements uses different figure notations, wherein:
1 base joint
11 first central through holes
12 eccentric mounting chambeies
13 first cylindrical portion
14 second cylindrical portion
15 the 3rd cylindrical portion
16 connecting threads
17 annular grooves
134 outer shoulders
2 pattern template rotating disks
21 second center pits
22 second chambeies
3 rotating cylinder heads
31 the 3rd central through holes
3rd chamber described in 32
Shoulder in 312
4 snap rings
5 eyeglass bearings
L laser beam
Be understandable that, for clearly visible, in accompanying drawing, each figure draws by strict projection relation is unnecessary, but suitably zooms in or out as required, and this does not affect the understanding of the design philosophy to the invention.
And specify, the direction of propagation of laser beam is axial direction, and the plane vertical with axial direction is sagittal plane.
Embodiment
The following detailed description is for embodiment of the present utility model.This description should not be understood to the restriction to protection domain, and is only the object in order to explain ultimate principle of the present utility model.
With reference to Fig. 1-3,13-16, laser pattern regulating device 100 of the present utility model comprises base joint 1, pattern template rotating disk 2, axial retention parts and pattern diffractive part.
Described base joint 1 one aspect is connected with the main body for laser pen---is generally threaded connection, on the other hand for settling other parts of described laser pattern regulating device 100, as pattern template rotating disk 2, axial retention parts and pattern diffractive part etc.
Described pattern template rotating disk 2 is for carrying out converter unit pattern by rotation, described unit pattern is also referred to as atom pattern, gene pattern, described unit pattern produces through pattern diffractive part dazzles beautiful one dimension, two dimension or three dimensional diffraction pattern, and it is first body of final diffraction pattern.Unit pattern is distributed on pattern template regularly, and pattern template (not shown) is fixed and is placed in described pattern template rotating disk 2, and can rotate with pattern template rotating disk 2.When pattern template is circular, at least one unit pattern is distributed in the sector region of pattern template regularly.Preferably, pattern template has 4 or 6 unit patterns, and they are arranged in one 90 ° of pattern template or the fan section of 60 ° separately.Unit pattern can be the pattern of any shape, such as cross star, pentagram, quincunx, box-shaped, heart, arrow-shaped, snowflake shape.The example of pattern template can see Fig. 4 and Fig. 5 of patent documentation CN203706489U.Be understandable that, the outline line of described unit pattern is light-transmission type.
Described axial retention parts are for ensureing that described pattern template rotating disk 2---namely axial direction---above can not move in laser propagation direction.As shown in Figure 4, it illustrates that the schematic diagram of position assembled by base joint 1 and pattern template rotating disk 2.Described pattern template rotating disk 2 is such as just in time contained in the eccentric mounting chamber 12 of base joint 1, and it can not move because the inwall in eccentric mounting chamber 12 stops on the sagittal plane of himself, but can around the center axis thereof of self.
Described pattern diffractive part, also claims pattern change parts, mainly comprises runner assembly and grating eyeglass.Described runner assembly can regulate grating fringe relative to the deflection of coherent laser on the round of laser beam L, thus changes the form through the diffraction pattern of described grating eyeglass.In the shown example, described pattern diffractive part, that is described runner assembly, comprise rotating cylinder head 3 and eyeglass bearing 5.Grating eyeglass (not shown) is fixed and is placed in described eyeglass bearing 5.
As illustrated in figs. 5-7, described base joint 1 has the first central through hole 11 and eccentric mounting chamber 12, and wherein, described eccentric mounting chamber 12 is connected with described first central through hole 11.Eccentric mounting chamber 12 is First chamber 12 namely.In the illustrated embodiment in which, described first central through hole 11 and eccentric mounting chamber 12 have circular xsect, and this is very beneficial for machining, by simply brill, Milling Machining just can realize.Certainly, it will be understood by those skilled in the art that described first central through hole 11 and eccentric mounting chamber 12 have circular xsect also can be other shape.Described first central through hole 11 is mainly used in allowing laser beam pass through, and the shape of its xsect only otherwise affect laser beam by just passable.Such as circle, ellipse, polygon etc.The inwall in eccentric mounting chamber 12 is mainly used in stoping the motion of pattern template rotating disk 2 on sagittal plane, therefore, the diameter of the inscribed circle of the profile of the xsect in eccentric mounting chamber 12 is equal to or slightly greater than the overall diameter of pattern template rotating disk 2, such as, be the regular polygon that circular, oval, length of side number is greater than 4.Therefore in this article, the interior diameter in eccentric mounting chamber 12 refers to diameter that is that it is justified or inscribed circle.
As shown in Figure 8, the laser pattern template with at least one width unit pattern can be fixed and held in described pattern template rotating disk 2.Described pattern template rotating disk 2 has the second center pit 21 and second chamber 22.The xsect in the second center pit 21 shown in figure and second chamber 22 is circular, but be understandable that, the xsect of other shape is also feasible, such as circular, oval, polygon.In fig. 8, second chamber 22 diameter is greater than the diameter of the second center pit 21, and the junction thus both them forms interior shoulder.Laser pattern template can be fixed and be placed in described second chamber 22, abuts against described interior shoulder.Its fixed form is such as bonding, interference fit etc.It should be noted, in accompanying drawing of the present utility model, laser pattern template is not shown, as a part for prior art, the technology standing of laser pattern template is seen in numerous internet on-line shops goods shelf.
As shown in Fig. 2-4,14, described pattern template rotating disk 2 is positioned in described eccentric mounting chamber 12, and, described pattern template rotating disk 2 can around the center axis thereof of self in described eccentric mounting chamber 12, thus the different units pattern of described laser pattern template can be taken to described first central through hole 11 place, and passed by the central axis of described first central through hole 11.As shown in Figure 2,4, as an example, the profile of the xsect of described pattern template rotating disk 2 is circular.Be understandable that, the xsect of described pattern template rotating disk 2 can be also polygon, and main points are, described polygonal external diameter of a circle equals or is slightly smaller than the interior diameter in described eccentric mounting chamber 12.Therefore in this article, the overall diameter of described pattern template rotating disk 2 refers to the circle of its outline or external diameter of a circle.
One of main design idea of the present utility model is: the mathematical principle that can be there is intersecting area by the circle of two decentraction, realizes the physical possibilities that laser beam and grating pattern intersect.And implement this design philosophy with very simple physical arrangement---the first central through hole 11, eccentric mounting chamber 12, pattern template rotating disk 2---.
Fig. 4 illustrates the schematic diagram of pattern template rotating disk 2 installation in position in base joint 1, wherein, described eccentric mounting chamber 12 is configured to make: the movement of described pattern template rotating disk 2 in the sagittal plane in described eccentric mounting chamber 12 is prohibited, further, the central axis of described pattern template rotating disk 2 parallels with the central axis of described first central through hole 11 and at a distance of a distance D determined.The described distance D determined such as is more than or equal to the radius R of the first central through hole 11, i.e. D>=R.Be preferably D>=1.1R, alternatively D=0.9R.Particularly, interior diameter due to described eccentric mounting chamber 12 is equal to or slightly greater than the overall diameter of described pattern template rotating disk 2, thus described pattern template rotating disk 2 almost can not move in the radial direction any, but can around the center axis thereof of self on sagittal plane.Be understandable that, under the condition that the outline of described pattern template rotating disk 2 is circular, the inwall in described eccentric mounting chamber 12 can be the form of class annular wheel, thus reduces the friction between the inwall in described eccentric mounting chamber 12 and described pattern template rotating disk 2.Vice versa, and under the outline of described pattern template rotating disk 2 is the condition of the form of class outer rotor form or regular polygon, the inwall in described eccentric mounting chamber 12 can be smooth cylindrical.Be understandable that, as modification, with reference to Fig. 4, the center M of pattern template rotating disk 2 be provided with rolling bearing and axis body, described axis body is fixed relative to described base joint 1, and described pattern template rotating disk 2 rotates around described axis body by means of described bearing.Therefore, stop pattern template rotating disk 2 to move radially and do not affect its mechanism rotated or assembly numerous, as long as can use in technical solutions of the utility model, be all feasible.
With reference to Fig. 2,3, can find out, described axial retention parts such as snap ring 4 ensure that described pattern template rotating disk 2 is prohibited along moving axially of its center axis.In the specific embodiment of accompanying drawing, described rotating cylinder head 3 also covers eccentric mounting chamber 12 while being pressed against described outer shoulder 134.And after rotating cylinder head 3 and snap ring 4 installation in position, because snap ring 4 prevents the axially-movable of rotating cylinder head 3, and then rotating cylinder head 3 prevents moving axially of pattern template rotating disk 2.Be understandable that, as modification, described axial retention parts also can be the forms of annular lid and screw, wherein, described annular lid is sleeved on described base joint 1, and abut against described outer shoulder 134, cover described eccentric mounting chamber 12 simultaneously, thus stop moving axially of pattern template rotating disk 2.
Another design philosophy of the present utility model is: only use a part---snap ring 4, achieve prevention two parts axially-movable of---pattern template rotating disk 2, rotating cylinder head 3---.
With reference to shown in Fig. 3, described pattern diffractive part is installed on described base joint 1 movably, and wherein, described pattern diffractive part can around the center axis thereof of described first central through hole 11.The first cylindrical portion 13 that described rotating cylinder head 3 shown in Fig. 3 is socketed in described base joint 1 is rotated around the first cylindrical portion 13.As modification, the rotation of described pattern diffractive part can be realized by the mode of pin and annular groove, such as, first cylindrical portion 13 of described base joint 1 is shaped with the annular groove that twice are arranged symmetrically with, two pins are corresponding to be arranged on described rotating cylinder head 3, thus realize rotating cylinder head 3 around center axis thereof.Vice versa, and pin is arranged on base joint 1, and ring groove is placed on rotating cylinder head 3.
With reference to Figure 13-16, described base joint 1, pattern template rotating disk 2, axial retention parts and pattern diffractive part are assembled in placely to be made: on the unit pattern that laser beam L is irradiated to the laser pattern template of described pattern template rotating disk 2 successively along the central axis of the first central through hole 11 of described base joint 1 and described pattern diffractive part, thus, the round of described laser beam is formed laser diffraction pattern.Xsect is that first the laser beam L of the Dapple shape focused on is irradiated on described unit pattern, thus make laser beam L have the shape information of unit pattern, then, by transmission grating, described unit pattern is evolved into gorgeous diffraction pattern through the laser beam L of distortion.Rotate described pattern template rotating disk 2, different unit patterns is forwarded on the round of laser beam L, just can obtain different laser diffraction patterns.Rotating rotating cylinder head 3 just can regulate transmission grating relative to the rotational angle of laser beam L, thus obtains the laser diffraction pattern of motion change.
Transmission grating is the one of diffraction grating.Transmission-type grating makes by carving a series of equally spaced indentation of width that waits on one block of very flat glass, and indentation place is equivalent to frosted glass, and most of light can not be through, is then equivalent to a slit between two indentations, can printing opacity.
Transmission grating comprises one-dimensional grating, two-dimensional grating, three dimensional grating.One-dimensional renderings grating can be found http://image.baidu.com/i? tn = baiduimage & amp; ipn = r & amp; ct = 201326592 & amp; cl = 2 & amp; lm = -1 & amp; st = -1 & amp; fm = result & amp; fr = & amp; sf = 1 & amp; fmq = 1411396788502_R & amp; pv = & amp; ic = 0 & amp; nc = 1 & amp; z = & amp; se = 1 & amp; showtab = 0 & amp; fb = 0 & amp; width = & amp; height = & amp; face = 0 & amp; istype = 2 & amp; ie = utf-8 & amp; word =% E4% B8% 80 % E7% BB% B4% E5% 85% 89% E6% A0% 85.
About two-dimensional raster renderings can see http://image.baidu.com/i? tn = baiduimage & amp; ipn = r & amp; ct = 201326592 & amp; cl = 2 & amp; lm = -1 & amp; st = -1 & amp; fm = result & amp; fr = & amp; sf = 1 & amp; fmq = 1411396919397_R & amp; pv = & amp; ic = 0 & amp; nc = 1 & amp; z = & amp; se = 1 & amp; showtab = 0 & amp; fb = 0 & amp; width = & amp; height = & amp; face = 0 & amp; istype = 2 & amp; ie = utf-8 & amp; word =% E4% BA% 8C % E7% BB% B4% E5% 85% 89% E6% A0% 85.
About the patent documentation of transmission grating see CN103364855A, CN1693929A, CN103344416A, CN101661126A, CN1693930A, CN1693928A, CN102681058A, CN1588134A, CN103675968A, CN101598895A.
About the patent documentation of holographic grating see CN1094381A, CN87100754A, CN101995810A, CN103226215A, CN1335521A, CN1053850A, CN1544995A, CN1062128A, CN87101544A, CN1310346A, CN101487913A, CN1317729A, CN1088312A, CN86107956A, CN101419426A, CN103792606A, CN101840193A, CN2085525U, CN201464762U, CN201273944Y.
About the patent documentation of 3 D grating see CN103923396A, CN102998730A, CN102371837A, CN103018810A, CN202995068U, CN201110901Y, CN201852954U.
It will be appreciated by those skilled in the art that, each unit pattern in described pattern template also can be the combination of pattern and grating, such as, cut out light-transparent pattern in a side of described pattern template, and cut out grating fringe at this opposite side corresponding with light-transparent pattern.Such design can make different unit patterns to there being difform grating fringe.In addition, the combination of described pattern and grating also can be that transparent pattern paster is directly pasted onto on a ready-made grating eyeglass.Such configuration makes different unit patterns carry out the first time diffraction of same way.
The static unit pattern passing through first time diffraction, again through the grating eyeglass in described pattern diffractive part, through second time diffraction, obtains more gorgeous re-diffraction pattern.Further, rotate described pattern diffractive part, described re-diffraction pattern just has kinesthesia, and as the star being covered with sky, the namely diffracting effect of so-called " babysbreath ".
As modification, described unit pattern is Three-dimensional holographic pattern, such as mini watermelon pattern, and so, what obtain through described laser pattern regulating device 100 is exactly the mini watermelon all over the sky distributed as star.
The optical principle of diffraction pattern is formed and embodiment can see CN1834530A, CN201203050Y, CN202901893U, CN101918759A about grating.Therefore, described in, the technology contents of patent documentation quoted becomes the part of this instructions, no longer repeated description here as prior art.
As preferred embodiment, as shown in Figure 6, the xsect of described first central through hole 11 is completely contained in the xsect in described eccentric mounting chamber 12.Being configured with like this is beneficial to machine work, reduces cost of products.Optionally, the xsect of described first central through hole 11 is crossing with the cross-section parts in described eccentric mounting chamber 12, and its main points are, laser beam L still can pass described first central through hole 11 and described eccentric mounting chamber 12.
According to another preferred embodiment, as shown in Figure 4, the distance D between the central axis of described pattern template rotating disk 2 and the central axis of described first central through hole 11 is more than or equal to the radius R of described first central through hole 11 or the described incircle of the first central through hole 11 or the radius R of circumscribed circle.Known to above, the xsect of described first central through hole can be various shape, but no matter which kind of shape, always can find the shape approximation being similar to incircle or circumscribed circle.The technique effect of such configuration is that the most areas region of pattern template rotating disk 2 can appear at described first central through hole 11 place, thus can arrange the more unit pattern of number regularly.Be understandable that, the distance D between the central axis of described pattern template rotating disk 2 and the central axis of described first central through hole 11 can be less than the radius R of described first central through hole 11.
According to another preferred embodiment, as shown in Figure 6, described eccentric mounting chamber 12 is cylinder chamber, its xsect is circular arc, wherein, the girth of described circular arc is greater than the half of the girth of corresponding circle, or be greater than 2/3 of the girth of corresponding circle, or be greater than 3/4 of the girth of corresponding circle, or be greater than 4/5 of the girth of corresponding circle, or be greater than 5/6 of the girth of corresponding circle, or be greater than 6/7 of the girth of corresponding circle, or be greater than 7/8 of the girth of corresponding circle, or be greater than 8/9 of the girth of corresponding circle, thus, described pattern template rotating disk 2 on sagittal plane from deviating to be prevented from described eccentric mounting chamber 12.Columniform described eccentric mounting chamber 12 is conducive to machine work, reduces cost of products.
Alternatively, the outer surface of described pattern template rotating disk 2, by annular knurl, is beneficial to the friction reduced between the inwall in described pattern template rotating disk 2 and described eccentric mounting chamber 12, and is beneficial to operator and rotates described pattern template rotating disk 2.
Preferably, as shown in Figure 4,1/4th the exposing outside described eccentric mounting chamber 12 of girth of described pattern template rotating disk 2.
Alternatively, the xsect in described eccentric mounting chamber 12 is regular polygons that circular, oval, length of side number is greater than 4.
According to another preferred implementation of the present utility model, with reference to Fig. 3, described axial retention parts comprise snap ring 4, wherein, described snap ring 4 is positioned in the annular groove 17 in the outer surface of described base joint 1, further, described snap ring 4 can stop described pattern template rotating disk 2 to do axially-movable along the central axis of himself directly or indirectly.Fig. 3 illustrates, described snap ring 4 stops described pattern template rotating disk 2 to do axially-movable along the central axis of himself by means of rotating cylinder head 3 indirectly.Be understandable that, snap ring 4 be arranged in the annular groove in the inwall in described eccentric mounting chamber 12, can directly stop described pattern template rotating disk 2 to do axially-movable along the central axis of himself.Similarly, snap ring 4 is arranged in the annular groove in the periphery of base joint 1, and a part for snap ring 4 covers described eccentric mounting chamber 12, thus realize directly stoping described pattern template rotating disk 2 to do axially-movable along the central axis of himself.
Preferably, as shown in Figure 5, described base joint 1 has the first cylindrical portion 13, second cylindrical portion 14 and the 3rd cylindrical portion 15, wherein, described eccentric mounting chamber 12 is arranged in described first cylindrical portion 13 and described second cylindrical portion 14, and described first central through hole 11 is arranged in described second cylindrical portion 14 and described 3rd cylindrical portion 15; Described first cylindrical portion 13 and the second cylindrical portion 14 connection are formed with outer shoulder 134; Be arranged in described first cylindrical portion 13 for settling the annular groove 17 of described snap ring 4.Such configuration makes described base joint 1 to process from one section of cylinder bar simply, effectively cuts down finished cost and cost of products.Be understandable that, the profile of base joint 1 can be various forms, and it will be can form outer shoulder 134 and can be connected in the main body of laser pen.
According to another preferred implementation of the present utility model, as shown in Fig. 3,9,12,13, described pattern diffractive part comprises rotating cylinder head 3 and eyeglass bearing 5, wherein: described rotating cylinder head 3 has the 3rd central through hole 31 and the 3rd chamber 32, further, described 3rd central through hole 31 and connection, described 3rd chamber 32 are formed with interior shoulder 312; The outer profile size of the internal diameter of described 3rd central through hole 31 and the first cylindrical portion 13 of described base joint 1 is suitable, described rotating cylinder head 3 can be sleeved in described first cylindrical portion 13, and abut against described outer shoulder 134; The described snap ring 4 that the interior space in described 3rd chamber 32 is configured such that to be in open configuration can be sleeved in described annular groove 17 within it; And, the thickness H1 of described pattern template rotating disk 2, the relative distance H2 of described outer shoulder 134, the described length H3 of the 3rd the central through hole 31 and relative distance H4 of described annular groove 17 are configured such that: H1=H2, and H4=H1+H3, thus described pattern template rotating disk 2 axially remains in described eccentric mounting chamber 12 by described snap ring 4 indirectly.It should be noted that described outer shoulder 134 can be a bit larger tham the thickness H1 of described pattern template rotating disk 2 relative to the bottom surface relative distance H2 in eccentric mounting chamber 12, such as, be greater than 0.1 millimeter.This is conducive to the rotation of described pattern template rotating disk 2.In like manner, described annular groove 17 adds the length H3 sum of described 3rd central through hole 31 relative to the thickness H1 that the relative distance H4 of the bottom surface in eccentric mounting chamber 12 can be a bit larger tham described pattern template rotating disk 2, such as, be greater than 0.1 millimeter.This is conducive to the rotation of described rotating cylinder head 3.Such configuration realizes the axially-movable that a snap ring just prevents pattern template rotating disk 2 and these two parts of rotating cylinder head 3, simplifies the structure of laser pattern regulating device 100, saves cost.
Preferably, described eyeglass bearing 5 is such as fixedly mounted in described 3rd chamber 32 of described rotating cylinder head 3 by friction tight mode.Its fixed form also can be bonding or be threaded.Such configuration ensures that the stripe direction of transmission grating changes relative to laser beam L with the rotation of rotating cylinder head 3.
Be appreciated that base joint 1, pattern template rotating disk 2 and rotating cylinder head 3 can be made up of metal material, macromolecular material or compound substance.Preferably, they are made up of copper, aluminium, iron, iron and steel, stainless steel and alloy thereof.More preferably, they are made up of the good bronze of processing characteristics or duralumin.
As modification, described laser pattern regulating device 100 can comprise two or more pattern diffractive part, and they are connected to each other, and can relatively rotate with respect to each other.Such configuration can obtain more complicated laser diffraction pattern.
In like manner, described laser pattern regulating device 100 can comprise two or more pattern template rotating disk 2, and it adopts substantially identical mode to be placed in described laser pattern regulating device 100.Such configuration can realize the superposition of different unit patterns.
The number of assembling steps of laser pattern regulating device 100 is understood referring now to Fig. 3,13-16:
1. as shown in figure 13, put successively by the order of base joint 1, pattern template rotating disk 2, rotating cylinder head 3, snap ring 4, eyeglass bearing 5;
2. as shown in figure 14, pattern template rotating disk 2 is placed in base joint 1, and tries to rotate pattern template rotating disk 2, after obstacle is not rotated in test, carry out next step;
3. as shown in figure 15, rotating cylinder head 3 is socketed on base joint 1, and tries to rotate pattern template rotating disk 2, after obstacle is not rotated in test, carry out next step;
4. as shown in figure 16, snap ring 4 is opened, and careful operation, be placed in rightly in the annular groove 17 of base joint 1, and try to rotate pattern template rotating disk 2 and rotating cylinder head 3, after obstacle is not rotated in test, carry out next step;
5. as shown in Figure 3, eyeglass bearing 5 is fixed in rotating cylinder head 3 by wringing fit mode or bonding way.
6. the laser pattern regulating device 100 assembled is installed in laser pen main body by connecting thread 16, rotates pattern template rotating disk 2 and rotating cylinder head 3, the change of test diffraction pattern.
Obtain a novel laser pen thus, it comprises laser pattern regulating device 100 as described herein, wherein, described laser pattern regulating device 100 is connected in the main body of described laser pen by the first screw thread 16 on described base joint 1, and, the laser beam that the main body of described laser pen is launched passes the first central through hole 11, eccentric mounting chamber 12, pattern template rotating disk 2, rotating cylinder head 3, eyeglass bearing 5 and transmission grating successively, thus, the round of described laser beam is formed laser diffraction pattern.
Alternatively, described laser pattern regulating device 100 also can be installed on various laser lamp or laser ornament lamp or laser signal light.
Be understandable that, laser beam L can be the different laser of multi beam wavelength, and such configuration can obtain more coloury laser diffraction pattern.
By means of described laser pattern regulating device 100, the laser instruments such as laser pen, laser lamp, laser ornament lamp or laser signal light can not only convert the laser cell pattern of projection, and can allow laser diffraction pattern motion change.
Patent documentation CN102419646A, CN101938082A, CN103280135A, CN102262825A, CN101672621A, CN203084982U, CN203659256U, CN203706489U, CN1727920A, CN1834530A, CN201173996Y, CN202972945U, CN201203050Y, CN202901893U, CN101918759A, CN203431669U discloses the part relevant to the invention, element, parts or device, therefore, the part do not mentioned in this article, structural relation between element and parts, position relationship, acting force relation, kinematic relation, energy relationship, momentum relationship etc. all can refer to the above-mentioned patent documentation quoted and understand.Thus the technology contents of the described patent documentation quoted herein becomes a part for present patent application file.In case of need, all patent documentations announced in the technical field that relates to of the invention all can provide prior art reference to present patent application.
More than describe the preferred of the invention or specific embodiment in detail.Should be appreciated that those skilled in the art just can make many modifications and variations according to the design concept of the invention without the need to creative work.Therefore; all technician in the art pass through the available technical scheme of logical analysis, reasoning, or a limited experiment on the basis of existing technology according to the design concept of the invention, all should within the scope of the invention and/or by the determined protection domain of claims.
Claims (10)
1. laser pattern regulating device (100), it comprises base joint (1), pattern template rotating disk (2), axial retention parts and pattern diffractive part;
Described base joint (1) has the first central through hole (11) and eccentric mounting chamber (12), and wherein, described eccentric mounting chamber (12) is connected with described first central through hole (11);
The laser pattern template with at least one width unit pattern is fixed and held in described pattern template rotating disk (2);
Described pattern template rotating disk (2) is positioned in described eccentric mounting chamber (12), and, described pattern template rotating disk (2) can around the center axis thereof of self in described eccentric mounting chamber (12), thus the different units pattern of described laser pattern template can be taken to described first central through hole (11) place, and passed by the central axis of described first central through hole (11);
Described eccentric mounting chamber (12) is configured to make: the movement of described pattern template rotating disk (2) in the sagittal plane of described eccentric mounting chamber (12) is prohibited, further, the central axis of described pattern template rotating disk (2) parallels with the central axis of described first central through hole (11) and at a distance of a distance D determined;
Described axial retention parts ensure that described pattern template rotating disk (2) is prohibited along moving axially of its center axis;
Described pattern diffractive part is installed on described base joint (1) movably, and wherein, described pattern diffractive part can around the center axis thereof of described first central through hole (11);
Described base joint (1), pattern template rotating disk (2), axial retention parts and pattern diffractive part are assembled in placely to be made: laser beam L is irradiated on the unit pattern of the laser pattern template of described pattern template rotating disk (2) and on described pattern diffractive part along the central axis of first central through hole (11) of described base joint (1) successively, thus, the round of described laser beam is formed laser diffraction pattern.
2. according to laser pattern regulating device (100) according to claim 1, it is characterized in that: the xsect of described first central through hole (11) is completely contained in the xsect of described eccentric mounting chamber (12).
3. according to laser pattern regulating device (100) according to claim 1, it is characterized in that: the distance D between the central axis of described pattern template rotating disk (2) and the central axis of described first central through hole (11) is more than or equal to the radius R of described first central through hole (11) or the incircle of described first central through hole (11) or the radius R of circumscribed circle.
4. according to laser pattern regulating device (100) according to claim 1, it is characterized in that: described eccentric mounting chamber (12) is cylinder chamber, its xsect is circular arc, wherein, the girth of described circular arc is greater than the half of the girth of corresponding circle, or be greater than 2/3 of the girth of corresponding circle, or be greater than 3/4 of the girth of corresponding circle, or be greater than 4/5 of the girth of corresponding circle, or be greater than 5/6 of the girth of corresponding circle, or be greater than 6/7 of the girth of corresponding circle, or be greater than 7/8 of the girth of corresponding circle, or be greater than 8/9 of the girth of corresponding circle, thus, described pattern template rotating disk (2) on sagittal plane from deviating to be prevented from described eccentric mounting chamber (12).
5. according to laser pattern regulating device (100) according to claim 1, it is characterized in that: the outer surface of described pattern template rotating disk (2) is by annular knurl, be beneficial to reduce the friction between described pattern template rotating disk (2) and the inwall in described eccentric mounting chamber (12), and be beneficial to operator and rotate described pattern template rotating disk (2); Or 1/4th of the girth of described pattern template rotating disk (2) exposes outside described eccentric mounting chamber (12); Or the regular polygon that the xsect of described eccentric mounting chamber (12) is circle, ellipse, length of side number are greater than 4.
6. according to the laser pattern regulating device (100) according to any one of claim 1 to 5, it is characterized in that: described axial retention parts comprise snap ring (4), wherein, described snap ring (4) is positioned in the annular groove (17) in the outer surface of described base joint (1), further, described snap ring (4) can stop described pattern template rotating disk (2) to do axially-movable along the central axis of himself directly or indirectly.
7. according to laser pattern regulating device (100) according to claim 6, it is characterized in that: described base joint (1) has the first cylindrical portion (13), the second cylindrical portion (14) and the 3rd cylindrical portion (15), wherein, described eccentric mounting chamber (12) is arranged in described first cylindrical portion (13) and described second cylindrical portion (14), and described first central through hole (11) is arranged in described second cylindrical portion (14) and described 3rd cylindrical portion (15);
Described first cylindrical portion (13) and the second cylindrical portion (14) connection are formed with outer shoulder (134);
Be arranged in described first cylindrical portion (13) for settling the annular groove of described snap ring (4) (17).
8. according to laser pattern regulating device (100) according to claim 7, it is characterized in that: described pattern diffractive part comprises rotating cylinder head (3), eyeglass bearing (5) and transmission grating, wherein:
Described rotating cylinder head (3) has the 3rd central through hole (31) and the 3rd chamber (32), further, described 3rd central through hole (31) and described 3rd chamber (32) connection are formed with interior shoulder (312);
The outer profile size of the described internal diameter of the 3rd central through hole (31) and first cylindrical portion (13) of described base joint (1) is suitable, described rotating cylinder head (3) can be sleeved on described first cylindrical portion (13), and abut against described outer shoulder (134);
The interior space of described 3rd chamber (32) is configured such that: the described snap ring (4) being in open configuration can be sleeved in described annular groove (17) within it;
And, the thickness H1 of described pattern template rotating disk (2), the relative distance H2 of described outer shoulder (134), the described length H3 of the 3rd central through hole (31) and the relative distance H4 of described annular groove (17) are configured such that: H1=H2, and H4=H1+H3, thus described pattern template rotating disk (2) axially remains in described eccentric mounting chamber (12) by described snap ring (4) indirectly.
9. according to laser pattern regulating device (100) according to claim 8, it is characterized in that: described eyeglass bearing (5) is fixed and is placed in described 3rd chamber (32) of described rotating cylinder head (3).
10. laser pen, it is characterized in that, described laser pen comprises according to the laser pattern regulating device (100) according to any one of claim 1 to 9, wherein, described laser pattern regulating device (100) is connected in the main body of described laser pen by the first screw thread (16) on described base joint (1), and, the laser beam that the main body of described laser pen is launched passes the first central through hole (11) successively, eccentric mounting chamber (12), pattern template rotating disk (2), rotating cylinder head (3), eyeglass bearing (5) and transmission grating, thus, the round of described laser beam is formed laser diffraction pattern.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420552097.2U CN204269939U (en) | 2014-09-24 | 2014-09-24 | Laser pattern regulating device and the laser pen comprising it |
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| CN201420552097.2U CN204269939U (en) | 2014-09-24 | 2014-09-24 | Laser pattern regulating device and the laser pen comprising it |
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| CN204269939U true CN204269939U (en) | 2015-04-15 |
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| CN201420552097.2U Expired - Fee Related CN204269939U (en) | 2014-09-24 | 2014-09-24 | Laser pattern regulating device and the laser pen comprising it |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108473258A (en) * | 2015-12-18 | 2018-08-31 | 沃尔夫链条有限公司 | The application of pulley, pulley gear, buckle chain and buckle chain as carrier chain |
| WO2020000998A1 (en) * | 2018-06-28 | 2020-01-02 | Oppo广东移动通信有限公司 | Laser projector, image acquisition apparatus and electronic device |
-
2014
- 2014-09-24 CN CN201420552097.2U patent/CN204269939U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108473258A (en) * | 2015-12-18 | 2018-08-31 | 沃尔夫链条有限公司 | The application of pulley, pulley gear, buckle chain and buckle chain as carrier chain |
| US10661997B2 (en) | 2015-12-18 | 2020-05-26 | KettenWulf Betriebs GmbH | Roller, roller device, link chain, and use of a link chain as a conveying chain |
| CN108473258B (en) * | 2015-12-18 | 2021-08-13 | 沃尔夫链条有限公司 | Pulley device, articulated chain and use of articulated chain as conveying chain |
| WO2020000998A1 (en) * | 2018-06-28 | 2020-01-02 | Oppo广东移动通信有限公司 | Laser projector, image acquisition apparatus and electronic device |
| US10725311B2 (en) | 2018-06-28 | 2020-07-28 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Laser projector, image acquisition device and electronic apparatus |
| TWI708110B (en) * | 2018-06-28 | 2020-10-21 | 大陸商Ｏｐｐｏ廣東移動通信有限公司 | Laser projector, image capturing device and electronic equipment |
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