CN204229033U - A kind of reflector adjusting apparatus - Google Patents
A kind of reflector adjusting apparatus Download PDFInfo
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- CN204229033U CN204229033U CN201420570925.5U CN201420570925U CN204229033U CN 204229033 U CN204229033 U CN 204229033U CN 201420570925 U CN201420570925 U CN 201420570925U CN 204229033 U CN204229033 U CN 204229033U
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- catoptron
- set screw
- spherical groove
- optical engine
- lower optical
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Abstract
The utility model discloses a kind of reflector adjusting apparatus, can realize the technique effect of the fine adjustment to reflector position and/or angle.Comprise catoptron, catoptron carrier, lower optical engine shell, multiple adjustment shell fragment and multiple set screw; Catoptron is fixed on the front of catoptron carrier, and the back side of catoptron carrier is provided with multiple first spherical groove; One end of adjustment shell fragment is connected on catoptron carrier, and the other end is fixed in lower optical engine shell; Lower optical engine shell is provided with the multiple set screw holes corresponding with multiple first spherical grooves at the catoptron carrier back side; The head of screw of set screw is spheric end, and set screw makes spheric end be against in first spherical groove at the described lower optical engine shell back side through the set screw hole in lower optical engine shell.The tangential stress that the way of contact of spheric end and spherical groove makes the place contacted with each other be subject to and normal stress very little, be conducive to position and/or the angle of meticulous adjustment catoptron.
Description
Technical field
The utility model relates to optical technical field, particularly relates to a kind of reflector adjusting apparatus.
Background technology
In the use of optical instrument, catoptron mainly plays the effect that turnover light beam realizes light path change, and it is installed, fix and adjustment all has important effect.In catoptron adjustment process, the adjustment at its inclination angle can cause the position of central ray reflection spot to change, thus causes central ray reflection spot longitudinal separation to change, and causes local light path to offset, reduces optical efficiency.
As shown in Figure 1, for removing the schematic diagram of the LASER Light Source catoptron of light engine upper casing in prior art.Laser beam is converged to by the first lens 101 on the catoptron 103 that is fixed in lower optical engine shell 102, is being turned by catoptron 103, and the laser beam after converging is reflexed to the second lens 104.Obtain desirable optical efficiency if wish by above-mentioned catoptron, in theory, the laser beam after convergence must by the center of the second lens 104.But, in actual applications, because mechanical processing technique is difficult to reach very high precision, and will inevitably produce corresponding error in the assembling, debug process of optical articles, whole output light path and desired pattern are greatly differed from each other.Therefore, when the position of the catoptron assembled after by normal assembling flow path is difficult to meet accuracy requirement, needs to adjust accordingly the position of catoptron and/or angle, catoptron is moved on on suitable position.
In prior art, there is the mode that back side regulating device being directly connected to catoptron regulates eyeglass, such as, at the back side of catoptron carrier, multiple screw pole is set, at the back side of lower optical engine shell, multiple screw hole is set, use multiple set screw through in the screw pole of screw hole precession mirror back surface, can realize regulating the position of catoptron and/or angle by rotating or turning one or more set screw.But this regulative mode, needs well to coordinate between multiple screw to realize the position of catoptron and/or the adjustment of angle, which increases the difficulty of adjustment, can reduce the precision to reflector alignment in its range of adjustment.
Utility model content
The purpose of this utility model is to provide a kind of reflector adjusting apparatus, can realize the fine adjustment to reflector position and/or angle.
The purpose of this utility model is achieved through the following technical solutions:
Provide a kind of reflector adjusting apparatus, comprise catoptron, catoptron carrier and lower optical engine shell; Wherein, described catoptron is fixed on the front of described catoptron carrier; Also comprise multiple adjustment shell fragment and multiple set screw; The back side of described catoptron carrier is provided with multiple first spherical groove; One end of described adjustment shell fragment is connected on described catoptron carrier, and the other end is fixed in described lower optical engine shell; Described lower optical engine shell is provided with the multiple set screw holes corresponding with described multiple first spherical grooves at the described catoptron carrier back side; The head of screw of described set screw is spheric end, and described set screw, through the described set screw hole in described lower optical engine shell, makes described spheric end be against in described first spherical groove at the described lower optical engine shell back side.
Further, the radius of a ball of described first spherical groove is greater than the radius of a ball of described set screw spheric end.
Further, the volume of described first spherical groove is less than or equal to 1/2nd spheroids.
Further, described adjustment shell fragment comprises interconnective Access Division and fixed part; Described Access Division is connected on described catoptron carrier, described fixed part is provided with the fixed orifice be connected and fixed with described lower optical engine shell.
Further, the front of described catoptron carrier is provided with multiple first hemisphere jut; On the position that the back side of described catoptron carrier is relative with described first hemisphere jut, be provided with multiple second hemisphere jut.
Further, the volume of described first hemisphere jut and described second hemisphere jut is less than or equal to 1/2nd spheroids.
Further, described Access Division is in the shape that arches upward, comprise the first side wall, the second sidewall and connect the connecting portion of described the first side wall and described second sidewall, described the first side wall is provided with second spherical groove that can hold described first hemisphere jut, described second sidewall arranges a shell fragment, described shell fragment is provided with the 3rd spherical groove that can hold described second hemisphere jut.
Further, the radius of a ball of described second spherical groove is greater than the radius of a ball of described first hemisphere jut; The radius of a ball of described 3rd spherical groove is greater than the radius of a ball of described second hemisphere jut.
Further, described lower optical engine shell is provided with the screw pole corresponding with the described fixed orifice on described fixed part.
Further, described fixed part is also provided with pilot hole, and described lower optical engine shell is also provided with the reference column corresponding with described pilot hole.
The utility model embodiment technical scheme, its technique effect had or advantage are: in the reflector adjusting apparatus that the utility model provides, and only need rotate or turn the adjustment that one or more set screw with spheric end can realize reflector position and/or angle, set screw enters the inside of light engine from the set screw hole passed lower optical engine shell, outside of lower optical engine shell, then be against in the first spherical groove of catoptron carrier back side, the tangential stress that the way of contact of this spheric end and spherical groove makes the place contacted with each other be subject to and normal stress very little, this resistance that set screw is subject in adjustment process is very little, therefore set screw operates more smooth in adjustment rotation process, simultaneously, because the spheric end of set screw contacts in adjustment process all the time with first spherical groove at the catoptron carrier back side, keep tangent state, when carrying out precession to set screw or screwing out, the contact position of spheric end and spherical groove changes, spherical groove can separate a part of acting force for the rotation of spheric end at spherical groove along tangential direction, the acting force that catoptron carrier is rotated reduces, the deformation of adjustment shell fragment diminishes, the angle that catoptron carrier is offset diminishes, thus improve the precision regulated, realize the technique effect to reflector position and/or angle fine adjustment.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the LASER Light Source catoptron removing light engine upper casing in prior art;
The schematic diagram of reflector adjusting apparatus when Fig. 2 is unassembled in the utility model embodiment;
Fig. 3 is the schematic diagram of the adjustment principle of reflector adjusting apparatus in the utility model embodiment;
Fig. 4 is the structural representation at the catoptron carrier back side in the utility model embodiment;
Fig. 5 is the side sectional view of catoptron carrier in the utility model embodiment;
Fig. 6 is the perspective view adjusting shell fragment in the utility model embodiment;
Fig. 7 adjusts shell fragment and catoptron carrier mounting structure diagrammatic cross-section in the utility model embodiment;
Fig. 8 is the assembling schematic diagram of assembly 2 in the utility model embodiment;
Fig. 9 is the perspective view of lower optical engine shell in the utility model embodiment;
Figure 10 is the assembling schematic diagram of assembly 3 in the utility model embodiment;
Figure 11 is the assembling schematic diagram of assembly 1 in the utility model embodiment;
Figure 12 is the assembling schematic diagram of assembly 4 in the utility model embodiment;
Figure 13 is the schematic diagram after the reflector adjusting apparatus assembling of the utility model embodiment;
Figure 14 is the schematic diagram of the set screw in the utility model embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model is described in further detail, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Core concept of the present utility model is, at the back side of catoptron carrier, multiple spherical groove is set, and use the set screw with spheric end, set screw enters the inside of light engine from the set screw hole passed lower optical engine shell, outside of lower optical engine shell, then be against in the first spherical groove of catoptron carrier back side, in utilizing spheric end to contact with spherical groove, the tangential stress that the two place of contacting with each other is subject to and the very little principle of normal stress, because the resistance be subject to is little, simultaneously, when carrying out precession to set screw or screwing out, the contact position of spheric end and spherical groove changes, spherical groove can separate a part of acting force for the rotation of spheric end at spherical groove along tangential direction, the acting force that catoptron carrier is rotated reduces, the deformation of adjustment shell fragment diminishes, the angle that catoptron carrier is offset diminishes, then set screw can adjust with small change, becoming more meticulous of adjustment can be realized thus, improve the precision regulated.
Below in conjunction with accompanying drawing, the technical scheme that the utility model embodiment provides is described in detail.
As Fig. 2 to Figure 14, the reflector adjusting apparatus that the utility model provides as shown in Figure 2, comprises catoptron 201, catoptron carrier 202, lower optical engine shell 204, multiple adjustment shell fragment 203 and multiple set screw 205; Wherein, catoptron is fixed on the front of catoptron carrier; The back side of catoptron carrier is provided with multiple first spherical groove 2021 (as shown in Figure 4); One end of adjustment shell fragment is connected on catoptron carrier, and the other end is fixed in lower optical engine shell; Lower optical engine shell is provided with the multiple set screw holes 2043 corresponding with multiple first spherical grooves at the catoptron carrier back side; The head of screw of set screw is spheric end 501 (as shown in figure 14), and set screw, through the set screw hole in lower optical engine shell, makes spheric end be against in first spherical groove at the lower optical engine shell back side.
According to the structure of above-mentioned reflector adjusting apparatus, with reference to the schematic diagram of the adjustment principle shown in figure 3, set screw screws in the inside of light engine from the set screw hole that the outside of lower optical engine shell is passed lower optical engine shell, then its spheric end is against in the first spherical groove of catoptron carrier back side, can realize thus rotating or turning one or more the carrying out of set screw to reflector position and/or angle with spheric end regulating.When needing position and/or the angle of accommodation reflex mirror, turn all or part of set screw, and each set screw to turn all numbers identical or not identical, coordinate the elastic reaction of adjustment shell fragment simultaneously, can realize the adjustment to catoptron carrier, catoptron carrier drives catoptron to produce corresponding mobile or low-angle adjustment.
The structural design of this spherical groove is simple and processing cost is low, and spheric end and spherical groove coordinate Stationary liquid to firmly, set screw is not easily deviate from from spherical groove.The tangential stress that the way of contact of spheric end and spherical groove makes the place contacted with each other be subject to and normal stress very little, this resistance that set screw is subject in adjustment process is very little, therefore set screw operates more smooth in adjustment rotation process, this smooth adjustment can realize operational becoming more meticulous, and improves the precision regulated, and, in adjustment set screw process, because the spheric end of set screw contacts in adjustment process all the time with first spherical groove at the catoptron carrier back side, keep tangent state, when carrying out precession to set screw or screwing out, the contact position of spheric end and spherical groove changes, spherical groove can separate a part of acting force for the rotation of spheric end at spherical groove along tangential direction, the acting force that catoptron carrier is rotated reduces, the deformation of adjustment shell fragment diminishes, the angle that catoptron carrier is offset diminishes, thus improve the precision regulated, realize the technique effect to reflector position and/or angle fine adjustment.
Due in above-mentioned reflector adjusting apparatus, only need rotate or turn set screw can regulate the position of catoptron and/or angle, and, the screw cap of the set screw of reflector adjusting apparatus is positioned at the outside of light engine housing, therefore catoptron is regulated by rotating and turning nut in light engine outside, and light engine housing need not be opened regulate, thus reduce the harm that laser beam may cause human body.
In the mode of preferred embodiment, the reflector adjusting apparatus that the utility model proposes further is introduced below.
A kind of preferred embodiment is that the radius of a ball limiting the first spherical groove is greater than the radius of a ball of set screw spheric end.The radius of a ball of this first spherical groove is greater than the mode of the spherical radius of set screw spheric end, is two and has the adjustment space reserving certain angle in the contact of the sphere of the different radius of a ball, can carry out low-angle adjustment in adjustment process.Preferably, the volume of the first spherical groove is less than or equal to 1/2nd spheroids.
As shown in Fig. 6, Fig. 7 and Fig. 8, a kind of preferred embodiment of adjustment shell fragment is, adjustment shell fragment comprises the Access Division 2031 and fixed part 2037 that are connected to each other; Access Division can be connected on catoptron carrier, and fixed part is arranged by the fixed orifice 2038 be connected and fixed with lower optical engine shell.Adjustment shell fragment is connected on catoptron carrier on the one hand, realize the connection with catoptron carrier, be connected and fixed with lower optical engine shell on the one hand, in rotation or when turning set screw, catoptron carrier is by the tractive and the elastic reaction that adjust shell fragment, low-angle rotation can be produced, such as, when screwing to light engine inside the set screw being positioned at lower optical engine shell upper end, along with set screw is to the elongation of light engine inside, by the elastic reaction of adjustment shell fragment, set screw props up catoptron carrier upper end and produces displacement forward, and the lower end of catoptron carrier can displacement round about, thus achieve the adjustment of the angle of catoptron carrier, then catoptron carrier drives catoptron to achieve the adjustment of angle together.
As shown in figure 5 and figure 7, fixedly securing with adjustment shell fragment for realizing catoptron carrier, not affecting again it simultaneously and producing elastic reaction, being provided with multiple first hemisphere jut 2022 in the front of catoptron carrier; On the position that the back side of catoptron carrier is relative with the first hemisphere jut, be provided with multiple second hemisphere jut 2023.The number of the first hemisphere jut and the second hemisphere jut changes with the structure of catoptron carrier is corresponding, is preferably arranged on 4 the first hemisphere juts on catoptron carrier corner location and 4 the second hemisphere juts; Preferably, the volume of the first hemisphere jut and the second hemisphere jut is all less than or equal to 1/2nd spheroids.
Corresponding, as shown in Figure 7, adjustment shell fragment is made in having supplied shape, the adjustment shell fragment of this shape that arches upward is made up of the connecting portion 2033 of the first side wall 2031, second sidewall 2032 and connection the first side wall and the second sidewall, the first side wall is provided with the second spherical groove 2035, second sidewall is provided with a shell fragment 2034, shell fragment is provided with the 3rd spherical groove 2036.
When adjustment shell fragment and catoptron carrier are carried out clamping, by on the portion's of arching upward first hemisphere jut of being connected to catoptron carrier of adjustment shell fragment and the second hemisphere jut, concrete, as shown in Figure 7, first hemisphere jut is absorbed in the second spherical groove, and the second hemisphere jut is absorbed in the 3rd spherical groove, by the elastic reaction of shell fragment, first hemisphere jut and the second hemisphere jut are firmly against in the second spherical groove and the 3rd spherical groove, realize adjustment shell fragment and are connected with the firm of catoptron carrier.And the coordinating of hemisphere jut and spherical groove, and by the elastic reaction of shell fragment, make adjustment shell fragment with catoptron carrier while realizing fixedly securing, the change of relative position both can realizing equally.
Preferably, the radius of a ball of the second spherical groove is greater than the radius of a ball of the first hemisphere jut, and the radius of a ball of the 3rd spherical groove is greater than the radius of a ball of the second hemisphere jut, can reserve certain angular setting space.
Because spherical groove and hemisphere jut all have sphere, then the two is by the contact that offsets of sphere, the adjustment realizing the angle of catoptron carrier that can be more prone to.
The fixed orifice 2038 that the fixed part of adjustment shell fragment has, adjustment shell fragment can be realized to be fixed in lower optical engine shell by gib screw through this fixed orifice, accordingly, as shown in Figure 9, lower optical engine shell is provided with the screw pole 2041 corresponding with the fixed orifice on fixed part, gib screw screws in the screw pole in lower optical engine shell through the fixed orifice on fixed part, is fixed in lower optical engine shell by adjustment shell fragment.
The fixed part of adjustment shell fragment can also arrange pilot hole 2039, pray adjustment shell fragment and the lower optical engine shell effect of locating in an assembling process.Accordingly, as shown in Figure 9, lower optical engine shell is arranged by the reference column 2042 corresponding with the pilot hole on fixed part; In assembling process, reference column is inserted in the pilot hole on adjustment shell fragment fixed part, realize the location between adjustment shell fragment and lower optical engine shell.
In application embodiment of the present utility model, catoptron carrier can be made up of aluminium alloy or magnesium alloy.In the middle of the pros and cons of catoptron carrier, offer locating slot, catoptron can be fixed in this locating slot; Certainly, also can be fixed on the front of catoptron carrier with stickup or other snap fit, this programme does not limit.Lower optical engine shell also can be made up of aluminium alloy or magnesium alloy.
Adjustment shell fragment can be made up of stainless steel, and its thickness presets according to practical situations.
As shown in the figure, when assembling the reflector adjusting apparatus that the utility model application embodiment provides, catoptron being fixed on the front of catoptron carrier, forming assembly 1, as shown in figure 11, already described before fixed form.
Adjustment shell fragment is connected on the catoptron carrier of assembly 1 respectively, forms assembly 2, as shown in Figure 8.
Adjustment shell fragment is separately fixed in lower optical engine shell, forms assembly 3, as shown in Figure 10.
Adjusting screw is screwed in the set screw hole of lower optical engine shell, until its spheric end props up in first spherical groove at the catoptron carrier back side of assembly 1, form assembly 4, as shown in figure 12.
Finally, as shown in the figure, assembly 4 is connected with light engine upper casing, forms a closed system, as shown in figure 13.When needing to adjust the position of catoptron and/or angle, only need at the external rotation of optical engine casing or the screw cap turning set screw.
In the reflector adjusting apparatus that the utility model application embodiment provides, only need rotate or turn the adjustment that one or more set screw with spheric end can realize reflector position and/or angle, set screw enters the inside of light engine from the set screw hole passed lower optical engine shell, outside of lower optical engine shell, then be against in the first spherical groove of catoptron carrier back side, this spheric end and spherical groove coordinate Stationary liquid to firmly, set screw is not easily deviate from from spherical groove, and, the tangential stress that the way of contact of spheric end and spherical groove makes the place contacted with each other be subject to and normal stress very little, this resistance that set screw is subject in adjustment process is very little, therefore set screw operates more smooth in adjustment rotation process, this smooth adjustment can realize operational becoming more meticulous, improve the precision regulated, simultaneously, because in adjustment process, the spheric end of set screw contacts all the time with first spherical groove at the catoptron carrier back side and keeps tangent state, a point can be regarded as move on curved surface, when a point is on curved surface during movement under force, it is stressed can be decomposed into the component on sphere in tangential direction and the component in sphere normal direction, in like manner, when spheric end moves in spherical groove, its power be subject to decomposes a tangential direction part, this part power is used for the rotation of spheric end in spherical groove, the deformation adjusting shell fragment is diminished, thus make catoptron carrier drive the angle of catoptron skew to diminish, then set screw can adjust with small change, becoming more meticulous of adjustment can be realized thus, improve the precision regulated, realize the technique effect to reflector position and/or angle fine adjustment.
It should be noted that; above-mentioned explanation is not to restriction of the present utility model; the utility model is also not limited in above-mentioned citing; the change that those skilled in the art make in essential scope of the present utility model, modification, interpolation or replacement, also should belong to protection domain of the present utility model.
Claims (10)
1. a reflector adjusting apparatus, comprises catoptron, catoptron carrier and lower optical engine shell; Wherein, described catoptron is fixed on the front of described catoptron carrier, it is characterized in that, also comprises multiple adjustment shell fragment and multiple set screw;
The back side of described catoptron carrier is provided with multiple first spherical groove;
One end of described adjustment shell fragment is connected on described catoptron carrier, and the other end is fixed in described lower optical engine shell;
Described lower optical engine shell is provided with the multiple set screw holes corresponding with described multiple first spherical grooves at the described catoptron carrier back side;
The head of screw of described set screw is spheric end, and described set screw, through the described set screw hole in described lower optical engine shell, makes described spheric end be against in described first spherical groove at the described lower optical engine shell back side.
2. reflector adjusting apparatus according to claim 1, is characterized in that, the radius of a ball of described first spherical groove is greater than the radius of a ball of described set screw spheric end.
3. reflector adjusting apparatus according to claim 1 and 2, is characterized in that, the volume of described first spherical groove is less than or equal to 1/2nd spheroids.
4. reflector adjusting apparatus according to claim 1, is characterized in that, described adjustment shell fragment comprises interconnective Access Division and fixed part; Described Access Division is connected on described catoptron carrier, described fixed part is provided with the fixed orifice be connected and fixed with described lower optical engine shell.
5. reflector adjusting apparatus according to claim 4, is characterized in that,
The front of described catoptron carrier is provided with multiple first hemisphere jut;
On the position that the back side of described catoptron carrier is relative with described first hemisphere jut, be provided with multiple second hemisphere jut.
6. reflector adjusting apparatus according to claim 5, is characterized in that,
The volume of described first hemisphere jut and described second hemisphere jut is less than or equal to 1/2nd spheroids.
7. reflector adjusting apparatus according to claim 5, it is characterized in that, described Access Division is in the shape that arches upward, comprise the first side wall, the second sidewall and connect the connecting portion of described the first side wall and described second sidewall, described the first side wall is provided with second spherical groove that can hold described first hemisphere jut, described second sidewall arranges a shell fragment, described shell fragment is provided with the 3rd spherical groove that can hold described second hemisphere jut.
8. reflector adjusting apparatus according to claim 7, is characterized in that, the radius of a ball of described second spherical groove is greater than the radius of a ball of described first hemisphere jut; The radius of a ball of described 3rd spherical groove is greater than the radius of a ball of described second hemisphere jut.
9. reflector adjusting apparatus according to claim 4, is characterized in that, described lower optical engine shell is provided with the screw pole corresponding with the described fixed orifice on described fixed part.
10. reflector adjusting apparatus according to claim 4, is characterized in that, described fixed part is also provided with pilot hole, and described lower optical engine shell is also provided with the reference column corresponding with described pilot hole.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420570925.5U CN204229033U (en) | 2014-09-30 | 2014-09-30 | A kind of reflector adjusting apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420570925.5U CN204229033U (en) | 2014-09-30 | 2014-09-30 | A kind of reflector adjusting apparatus |
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| CN204229033U true CN204229033U (en) | 2015-03-25 |
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| CN201420570925.5U Active CN204229033U (en) | 2014-09-30 | 2014-09-30 | A kind of reflector adjusting apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017181578A (en) * | 2016-03-28 | 2017-10-05 | ウシオ電機株式会社 | Optical device |
| CN110596674A (en) * | 2019-08-16 | 2019-12-20 | 上海禾赛光电科技有限公司 | Swing mirror, driving method thereof and laser radar |
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2014
- 2014-09-30 CN CN201420570925.5U patent/CN204229033U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017181578A (en) * | 2016-03-28 | 2017-10-05 | ウシオ電機株式会社 | Optical device |
| CN110596674A (en) * | 2019-08-16 | 2019-12-20 | 上海禾赛光电科技有限公司 | Swing mirror, driving method thereof and laser radar |
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