CN215181154U - Light path adjusting device - Google Patents
Light path adjusting device Download PDFInfo
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- CN215181154U CN215181154U CN202120927842.7U CN202120927842U CN215181154U CN 215181154 U CN215181154 U CN 215181154U CN 202120927842 U CN202120927842 U CN 202120927842U CN 215181154 U CN215181154 U CN 215181154U
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Abstract
The utility model discloses a light path adjusting device, which comprises a shell, wherein the shell is provided with a light inlet and a light outlet, and the light path in the shell is at least provided with two adjustable reflection modules; the adjustable reflection module comprises; the adjustable base, install the speculum on the adjustable base, drive adjustable base is rotatory with the regulating part of control speculum reflection of light angle. The utility model is used for light path turns to the regulation during light path design, solves the dimensional error among the optical system, reduces the parts machining degree of difficulty in light path design is built, improves light path debugging efficiency, save time and human cost.
Description
Technical Field
The utility model belongs to the technical field of the photoelectric technology and specifically relates to a light path adjusting device
Background
Because the optical system has higher requirements on the size and the position of the built optical path, errors always appear after parts are machined, errors also appear during assembly, and errors are accumulated after a plurality of parts are assembled, so that the final size and the theoretical design size are greatly deteriorated.
For example, in patent application publication No. CN209674090U, an automatic reflective optical path adjusting assembly and an adjusting device thereof include a base plate and an adjusting plate loaded with a reflective lens, the adjusting plate is fixed on the base plate and driven to rotate around a fixed point relative to the base plate, the base plate is provided with two adjusting push rods driven to extend or retract, and an extension spring is arranged between the base plate and the adjusting plate to enable the end portions of the adjusting push rods to be tightly abutted against the back of the adjusting plate. The device is also used for adjusting the light path structure, but the adjustment precision is poor.
The error generated by the existing assembly is often fatal to the optical system, and in order to solve the problem well without increasing the processing cost, a mechanism which can be adjusted conveniently in the optical path is needed to solve the series of errors.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model provides a light path adjusting device for high accuracy, the high degree of difficulty in the light path design are adjusted, improve light path debugging efficiency, save time and human cost, and the concrete technical scheme that adopts as follows:
a light path adjusting device comprises a shell, wherein a light inlet and a light outlet are formed in the shell, and at least one adjustable reflection module is arranged on a light path in the shell;
the adjustable reflection module comprises;
an adjustable base is arranged on the base, and the base is provided with a plurality of adjustable bases,
a mirror mounted on the adjustable base and having a mirror surface,
and the adjusting piece drives the adjustable base to rotate so as to control the reflecting angle of the reflector.
In this application, it is rotatory to drive adjustable base through the regulating part, makes the speculum angle change of installing in adjustable base, makes the reverse angle of speculum change, realizes the regulation of light path direction.
The number of the adjustable reflection modules can be one, two or more, and the adjustable reflection modules can be specifically arranged according to an optical path in an optical system. Two adjustable reflective modules are typically provided.
The light path adjusting device in this application is applicable to three kinds of light path structures commonly seen: the incident light and the emergent light are coaxial and in the same direction, the incident light and the emergent light are intersected, and the incident light and the emergent light are parallel and reverse. For the three optical path structures, the positions of the light inlet and the light outlet on the shell are also different.
If the incident light and the emergent light are coaxial and in the same direction, preferably, the light inlet and the light outlet are positioned on two parallel side surfaces of the shell, a fixed reflector is further arranged on a light path in the shell, and the incident light entering the shell is coaxial with the emergent light exiting the shell.
If the incident light intersects with the emergent light, preferably, the light inlet and the light outlet are located on two intersecting side surfaces of the shell, and the incident light entering the shell is perpendicular to the emergent light exiting the shell.
If the incident light and the emergent light are parallel but opposite in direction, preferably, the light inlet and the light outlet are located on the same side of the shell, and the incident light entering the shell and the emergent light exiting the shell form 180 degrees.
The adjustable reflective module in the present application has two different structures, one is to make the reflector swing and rotate around a certain point, and the other is to make the reflector rotate around a certain axis.
Preferably, the housing is provided with an assembly cavity for accommodating the adjustable reflection module, a plurality of support springs are arranged between the adjustable base and the housing, and the adjusting part is an adjusting bolt which penetrates through the adjustable base and abuts against the housing.
The adjustable base and the shell are supported by the spring, the adjusting bolt is rotated, the supporting height of the spring is compressed, the height adjustment of the adjustable base is realized, and the angle of the internal reflector is changed accordingly.
Preferably, the adjusting bolts are distributed on the adjustable base in different angular directions, and the end of each adjusting bolt is connected with a ball. The adjusting bolts in different angle directions are rotated, the supporting height of the base in the corresponding direction is changed, and the ball at the end can rotate to reduce friction resistance and is stable when being adjusted.
Preferably, the number of the adjusting bolts is two, the two adjusting bolts are arranged on the same diagonal of the adjustable base, and the other diagonal of the adjustable base is provided with a fixing bolt;
the end parts of the two adjusting bolts for arrangement are respectively connected with a supporting roller and a supporting plate;
the end of the fixing bolt is spherical.
In a specific technical scheme, two adjusting bolts are arranged on the same diagonal line, a fixing bolt on the other diagonal line is a swing axis, and a supporting roller and a supporting plate at the end part are beneficial to the balance of the two adjusting bolts.
Preferably, the adjustable reflection module further comprises a base, the adjustable base is movably mounted in the base, the adjustable base is connected with a first rotating shaft, and the adjusting piece is a first adjusting bolt which penetrates through the base and abuts against the adjustable base. And when the first adjusting bolt is rotated, the adjustable base swings relative to the first rotating shaft, so that the reflector rotates around the first axis.
Preferably, a fixing ring capable of rotating around a second rotating shaft is arranged in the base, an adjustable base capable of rotating around the first rotating shaft is arranged in the fixing ring, and the adjusting piece further comprises a second adjusting bolt penetrating through the base and enabling the end part of the second adjusting bolt to abut against the fixing ring.
And when the second adjusting bolt is rotated, the fixing ring simultaneously drives the adjustable base to rotate around the second rotating shaft, so that the reflector rotates around the second axis, and the first rotating shaft is vertical to the second rotating shaft.
Preferably, the end parts of the first adjusting bolt and the second adjusting bolt are spherical surfaces, and the adaptive positions of the adjustable base and the fixing ring are slope surfaces which are abutted against the spherical surfaces. The adjusting bolt is screwed, the end part of the adjusting bolt goes up and down along the slope surface, the adjustable base and the fixing ring are pushed to rotate around the corresponding axis, and the angle adjustment of the reflector is realized.
The utility model is used for light path turns to the regulation during light path design, solves the dimensional error among the optical system, reduces the parts machining degree of difficulty in light path design is built, improves light path debugging efficiency, save time and human cost.
Drawings
FIG. 1 is a diagram of an optical path adjusting device with coaxial incident light and emergent light;
FIG. 2 is a diagram of an optical path adjusting device in which incident light and emergent light are perpendicular to each other;
FIG. 3 is a diagram of a light path adjusting device with incident light and emergent light parallel and opposite;
FIG. 4 is a front view of the light path adjusting device of FIG. 1;
FIG. 5 is a front view of the light path adjusting device of FIG. 2;
FIG. 6 is a front view of the light path adjusting device of FIG. 3;
FIG. 7 is a schematic structural diagram of an adjustable reflective module;
FIG. 8 is a schematic structural diagram of another adjustable reflective module;
FIG. 9 is a block diagram of the adjustable reflective module of FIG. 7;
FIG. 10 is a schematic view of another angle of the adjustable reflective module shown in FIG. 7;
FIG. 11 is a block diagram of the adjustable reflective module of FIG. 8;
FIG. 12 is a schematic diagram of the internal structure of the adjustable reflective module shown in FIG. 8;
fig. 13 is a view of the adjustable base of fig. 8.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and the present invention is not limited to the specific embodiments disclosed below. The terms "upper", "lower", "left" and "right" used herein are defined with reference to the accompanying drawings, and it is to be understood that the above-described terms do not limit the scope of the present invention.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The light path adjusting device shown in fig. 1 to 6 includes a housing 100, the housing 100 is provided with a light inlet 102 and a light outlet 103, an adjustable reflection module 101 is disposed on a light path in the housing 100, a light beam entering from the light inlet 102 is reflected by each adjustable reflection module 101 and then exits from the light outlet 103, and each adjustable reflection module 101 can adjust an angle of the reflected light.
The incident light and the emergent light in the embodiment can form any angle of 0-180 degrees. There are three modes of classical angles, namely 0 °, 90 °, 180 °. All contain two adjustable reflectors in every mechanism, each reflector all has two dimensions to adjust, disposes the adjusting bolt that the hand was twisted. The mechanism can be applied to circular reflectors, elliptical reflectors, rectangular reflectors and irregular reflectors, and is not limited in thickness.
In the light path adjusting device shown in fig. 1 and 4, the light inlet 102 and the light outlet 103 are located on two parallel sides of the housing 100, and the light path in the housing 100 is further provided with a fixed reflector 104, so that the incident light entering the housing and the emergent light exiting the housing are parallel and located in the same reverse direction.
In the optical path adjusting device shown in fig. 2 and 5, the light inlet 102 and the light outlet 103 are located on two intersecting sides of the housing 100, and the incident light entering the housing is perpendicular to the emergent light exiting the housing.
In the optical path adjusting device shown in fig. 3 and 6, the light inlet 102 and the light outlet 103 are located on the same side of the housing 100, and incident light entering the housing and emergent light exiting the housing form 180 degrees, that is, the incident light and the reflected light are opposite in direction.
In the above-mentioned optical path adjusting device, the adjustable reflection module 101 may be designed as one, two or more according to the optical path, and two adjustable reflection modules 101 are installed in the optical path adjusting device shown in fig. 1 to 6.
In this embodiment, the adjustable reflection module includes an adjustable base, a reflector mounted on the adjustable base, and an adjusting member for driving the adjustable base to rotate to control a reflection angle of the reflector. The adjustable mirror module has two different configurations, one is to make the mirror swing and rotate around a certain point, as shown in fig. 7, and the other is to make the mirror rotate around a certain axis, as shown in fig. 8.
The adjustable reflection module shown in fig. 9 and 10 is suitable for a light path adjusting device in which incident light and emergent light are parallel in fig. 1, and is installed in an assembly cavity of a housing 100, a plurality of supporting springs 1 are arranged between an adjustable base 7 and the housing, and an adjusting member is an adjusting bolt 2 which penetrates through the adjustable base 7 and abuts against the housing 100. The adjustable base 7 and the shell are supported by the spring 1, the adjusting bolt 2 is rotated, the supporting height of the spring 1 is compressed, the height adjustment of the adjustable base 7 is realized, and the angle of the internal reflector is changed accordingly.
The adjusting bolts 2 are distributed on the adjustable base 7 in different angle directions, and the end parts of the adjusting bolts are connected with balls. The adjusting bolts 2 in different angle directions are rotated, and the supporting height of the base in the corresponding direction is changed.
The two adjusting bolts 2 in the embodiment are positioned on the same diagonal, and the other diagonal of the adjustable base 7 is provided with a fixing bolt 8; the end parts of the two adjusting bolts 2 are respectively connected with a supporting roller 5 (corresponding to two steel shafts in the figure) and a supporting plate 4 (corresponding to a circular plate in the figure); the end of the fixing bolt 8 is in the form of a sphere 3 which is rotatable during adjustment to reduce frictional resistance and is stable. The angle of the reflector in the adjustable base 7 is adjusted by screwing the two adjusting bolts 2.
The adjustable reflection module shown in fig. 11-13 is suitable for the optical path adjusting device shown in fig. 2 and fig. 3, and includes a base 11, an adjustable base 7 is movably installed in the base 11, a first rotating shaft 14 is connected to the adjustable base 7, and an adjusting member is a first adjusting bolt 12 which penetrates through the base 12 and whose end abuts against the adjustable base 7. By rotating the first adjusting bolt 12, the adjustable base 7 swings relative to the first rotating shaft 14, so that the reflector rotates around the first axis.
Be provided with in the base 11 and can wind second rotation axis 18 pivoted retainer plate 17, install on retainer plate 17 around first pivot 14 pivoted adjustable base 7, correspondingly, the regulating part is still including passing base 11 and the second adjusting bolt 13 that the tip offseted with retainer plate 11 to be equipped with the deflector 19 of cooperation second adjusting bolt 13, rotate second adjusting bolt 13, retainer plate 17 drives adjustable base 7 simultaneously and rotates around second rotation axis 18, thereby realize that the speculum rotates around the second axis.
In this embodiment, the first rotating shaft 14 is perpendicular to the second rotating shaft 18, the end portions of the first adjusting bolt 12 and the second adjusting bolt 13 are spherical surfaces 15, and the adjustable base 7 and the fixing ring 17 are provided with a slope 16 abutting against the spherical surfaces 15. The first adjusting bolt 12 and the second adjusting bolt 13 are screwed, the end parts of the first adjusting bolt and the second adjusting bolt lift along the slope surface, the adjustable base 7 and the fixing ring 17 are pushed to rotate around corresponding axes, and the reflector rotates left and right and up and down to adjust the light path in a two-dimensional mode.
The above description is only exemplary of the preferred embodiments of the present invention, and should not be construed as limiting the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the present invention.
Claims (10)
1. The light path adjusting device is characterized by comprising a shell, wherein the shell is provided with a light inlet and a light outlet, and at least two adjustable reflection modules are arranged on a light path in the shell;
the adjustable reflection module comprises;
an adjustable base is arranged on the base, and the base is provided with a plurality of adjustable bases,
a mirror mounted on the adjustable base and having a mirror surface,
and the adjusting piece drives the adjustable base to rotate so as to control the reflecting angle of the reflector.
2. The optical path adjusting apparatus according to claim 1, wherein the light inlet and the light outlet are disposed on two parallel sides of the housing, and a fixed reflector is disposed on the optical path inside the housing, and the incident light entering the housing is coaxial with the emergent light exiting the housing.
3. The optical path adjusting apparatus according to claim 1, wherein the light inlet and the light outlet are located on two intersecting sides of the housing, and the incident light entering the housing is perpendicular to the emergent light exiting the housing.
4. The optical path adjusting apparatus according to claim 1, wherein the light inlet and the light outlet are located on the same side of the housing, and incident light entering the housing is 180 degrees from emergent light exiting the housing.
5. The optical path adjusting apparatus according to claim 1, wherein the housing has an assembly cavity for accommodating the adjustable reflection module, a plurality of support springs are disposed between the adjustable base and the housing, and the adjusting member is an adjusting bolt that passes through the adjustable base and abuts against the housing.
6. The optical path adjusting apparatus according to claim 5, wherein the adjusting bolt is a plurality of adjusting bolts distributed at different angular orientations of the adjustable base, and a ball is connected to an end of each adjusting bolt.
7. The optical path adjusting apparatus according to claim 5, wherein the adjusting bolts are two adjusting bolts disposed on a same diagonal of the adjustable base, and a fixing bolt is disposed on the other diagonal of the adjustable base;
the end parts of the two adjusting bolts for arrangement are respectively connected with a supporting roller and a supporting plate;
the end of the fixing bolt is spherical.
8. The optical path adjusting apparatus according to claim 1, wherein the adjustable reflection module further includes a base, the adjustable base is movably mounted in the base, the adjustable base is connected to the first rotating shaft, and the adjusting member is a first adjusting bolt passing through the base and having an end abutting against the adjustable base.
9. The optical path adjusting apparatus according to claim 8, wherein a fixing ring rotatable about a second rotation axis is provided in the base, the adjustable base rotatable about the first rotation axis is installed in the fixing ring, and the adjusting member further includes a second adjusting bolt passing through the base and having an end abutting against the fixing ring.
10. The optical path adjusting apparatus according to claim 9, wherein the ends of the first adjusting bolt and the second adjusting bolt are spherical surfaces, and the adjustable base and the fixing ring are disposed at an inclined surface abutting against the spherical surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120927842.7U CN215181154U (en) | 2021-04-30 | 2021-04-30 | Light path adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120927842.7U CN215181154U (en) | 2021-04-30 | 2021-04-30 | Light path adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215181154U true CN215181154U (en) | 2021-12-14 |
Family
ID=79365722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120927842.7U Active CN215181154U (en) | 2021-04-30 | 2021-04-30 | Light path adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215181154U (en) |
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2021
- 2021-04-30 CN CN202120927842.7U patent/CN215181154U/en active Active
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