CN220568996U - Polarization beam splitter prism rotating support and polarization beam splitter prism - Google Patents
Polarization beam splitter prism rotating support and polarization beam splitter prism Download PDFInfo
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- CN220568996U CN220568996U CN202321674887.3U CN202321674887U CN220568996U CN 220568996 U CN220568996 U CN 220568996U CN 202321674887 U CN202321674887 U CN 202321674887U CN 220568996 U CN220568996 U CN 220568996U
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- beam splitter
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- splitter prism
- gear
- polarization beam
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- 230000033001 locomotion Effects 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 11
- 230000033228 biological regulation Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 230000003287 optical effect Effects 0.000 description 1
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- Mounting And Adjusting Of Optical Elements (AREA)
Abstract
The utility model discloses a polarization beam splitter prism rotating bracket and a polarization beam splitter prism, comprising: a base; the turntable assembly is arranged on the end face of the base, and a limiting seat for accommodating the polarization splitting prism body is arranged on the turntable assembly; the adjusting module comprises a bevel gear, a driving gear connected with the bevel gear and a driving module, and the bevel gear is rotationally connected with the turntable assembly; the bottom of the driving module is rotationally connected with the driving gear, the top of the driving module extends out of the base, the part of the driving module extending out of the base drives the bevel gear to rotate, and the polarization beam splitter prism is driven by the adjusting module to rotate relative to the base. The utility model converts the rotary motion into the linear motion to control by utilizing the cooperation of the driving module, is convenient for controlling and reading the deflection angle, improves the regulation and control precision of the deflection light regulation process in the using process of the polarization beam splitter prism, and meets the light beam splitting control requirement.
Description
Technical Field
The utility model relates to a polarization beam splitter prism adjusting technology, in particular to a polarization beam splitter prism rotating bracket and a polarization beam splitter prism.
Background
The polarization beam splitter prism is an optical element which is formed by plating a multilayer film structure on the inclined plane of a right angle prism, and then gluing the multilayer film structure into a cube structure, wherein the light passes through the multilayer film structure for a plurality of times at the Brewster angle by utilizing the property that the P polarized light transmittance is 1 and the S polarized light transmittance is less than 1 when the light is incident at the Brewster angle, and the P polarized component is completely transmitted and most of the S polarized component is reflected (at least more than 90 percent).
In the practical operation process, the polarization beam splitter prism needs to be adjusted to adapt to light rays with different incidence angles, the polarization beam splitter prism is deflected to a certain angle to obtain polarized light rays, most of the existing equipment directly adopts a rotating mechanism to adjust the angle between the surface of a lens body of the polarization beam splitter prism and the incidence light rays, the rotating operation of the rotating motion angle is difficult for operators, and the reading of angle numbers is not convenient enough.
Disclosure of Invention
The utility model aims to provide a polarization beam splitter prism rotating bracket and a polarization beam splitter prism, which are used for solving the technical problems in the prior art, facilitating the control and reading of deflection angles and meeting the angle control requirement in the adjustment process of the polarization beam splitter prism.
The utility model provides a polarization beam splitter prism rotating bracket and a polarization beam splitter prism, comprising:
a base;
the turntable assembly is arranged on the end face of the base, and a limiting seat for accommodating the polarization splitting prism body is arranged on the turntable assembly;
the adjusting module comprises a bevel gear, a driving gear connected with the bevel gear and a driving module, and the bevel gear is rotationally connected with the turntable assembly;
the bottom of the driving module is rotationally connected with the driving gear, the top of the driving module extends out of the base, the part of the driving module extending out of the base drives the bevel gear to rotate, and the polarization beam splitter prism is driven by the adjusting module to rotate relative to the base.
Preferably, the turntable assembly further comprises;
the limiting seat is assembled at the top of the upper rotating plate;
the rotating gear is arranged in the base;
the bottom of the upper rotating plate is provided with a shaft lever, the shaft lever penetrates through the base and is connected with a rotating gear, and the rotating gear is rotationally connected with an inclined plane gear.
Preferably, the driving module includes:
the pushing rack is connected with the driving gear in a sliding manner;
the sliding block is arranged on the end face of the pushing rack, which is far away from the driving gear;
the pushing seat is arranged at the top end of the sliding block;
the sliding block slides in a sliding rail arranged on the surface of the base, and the pushing rack drives the bevel gear and the driving gear to synchronously rotate under the pushing of the pushing seat.
Preferably, the adjusting module further comprises a rotating shaft, the rotating shaft is assembled on the inner wall of the base, and the driving gear is arranged at the tail end of the rotating shaft.
A polarization beam splitter prism comprising the polarization beam splitter prism rotating bracket, wherein the polarization beam splitter prism further comprises a prism lens body; the prism lens body is inserted into the limit seat, and the deflection angle of the prism lens body is changed by pushing the horizontal movement of the seat.
Preferably, scale values are arranged on the outer side of the sliding rail.
Compared with the prior art, the utility model realizes the accurate control of the deflection angle of the prism lens body by the movement of the pushing seat, converts the rotation motion into the linear motion to operate by utilizing the cooperation of the driving module, converts the rotation process angle control and reading into the linear operation and length reading, reduces the difficulty of deflection angle control and reading, meets the angle control requirement in the adjustment process of the polarization beam splitter prism, improves the adjustment precision of the deflection light adjustment process in the use process of the polarization beam splitter prism, and meets the light beam splitting control requirement.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic illustration of the construction of the turntable assembly and adjustment module of the present utility model;
FIG. 3 is a schematic view of the structure of the turning gear, bevel gear and drive gear of the present utility model;
FIG. 4 is a schematic diagram of a driving module structure according to the present utility model;
FIG. 5 is a schematic view of the structure of the upper rotating plate, bearings and rotating gears of the present utility model;
reference numerals illustrate:
10. a prism body;
20. a turntable assembly; 21. a limit seat; 22. an upper rotating plate; 23. a bearing; 24. rotating the gear;
30. an adjustment module; 31. bevel gears; 32. a drive gear; 33. a driving module; 331. a pushing seat; 332. a sliding block; 333. pushing the rack; 34. a rotation shaft;
40. a base; 41. a slide rail.
Detailed Description
Embodiments of the technical solutions of the present application will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical solutions of the present application, and thus are only examples, and are not intended to limit the scope of protection of the present application.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description and claims of the present application and in the description of the figures above are intended to cover non-exclusive inclusions.
In the description of the embodiments of the present application, the technical terms "first," "second," etc. are used merely to distinguish between different objects and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, a particular order or a primary or secondary relationship. In the description of the embodiments of the present application, the meaning of "plurality" is two or more unless explicitly defined otherwise.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
In the description of the embodiments of the present application, the term "and/or" is merely an association relationship describing an association object, which means that three relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.
In the description of the embodiments of the present application, the term "plurality" refers to two or more (including two), and similarly, "plural sets" refers to two or more (including two), and "plural sheets" refers to two or more (including two).
In the description of the embodiments of the present application, the orientation or positional relationship indicated by the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the embodiments of the present application and for simplifying the description, rather than indicating or implying that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the embodiments of the present application.
In the description of the embodiments of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; or may be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to the specific circumstances.
As shown in fig. 1 to 5, an embodiment of the present utility model provides a polarization splitting prism rotating mount, including:
a base 40;
a turntable assembly 20, the turntable assembly 20 being provided on an end surface of the base 40;
the adjusting module 30 is arranged in the base 40, the adjusting module 30 comprises a bevel gear 31, a driving gear 32 and a driving module 33, the driving gear 32 is connected with the bevel gear 31, and the bevel gear 31 is rotationally connected with the turntable assembly 20;
the bottom of the driving module 33 is rotatably connected with the driving gear 32, the top of the driving module 33 extends out of the base 40, and the portion of the driving module 33 extending out of the base 40 drives the bevel gear 31 to drive the turntable assembly 20 to rotate relative to the base 40;
in the technical solution of the embodiment of the present application, a limiting seat 21 for clamping the polarization beam splitter prism is disposed on the upper end surface of the turntable assembly 20, and the square groove structure of the limiting seat 21 can accommodate the fixed-specification beam splitter prism, and the beam splitter prism is directly inserted into the limiting seat 21;
the turret assembly 20 also includes;
the upper rotating plate 22, the limit seat 21 is assembled on the top of the upper rotating plate 22;
the bearing 23 is arranged below the upper rotating plate 22, the end face of the base 40, which is close to the upper rotating plate 22, is provided with a shaft hole, and the bearing 23 is nested and assembled in the shaft hole;
a rotating gear 24, wherein a shaft lever is arranged on the rotating gear 24, and the shaft lever passes through a bearing 23 to be connected with the upper rotating plate 22;
wherein the rotating gear 24 is also a helical gear, and the rotating gear 24 is rotationally connected with the bevel gear 31;
in the technical solution of the embodiment of the present application, the turntable assembly 20 is driven by the adjusting module 30 to change the direction of the limiting seat 21 for bearing the beam splitter prism, the limiting seat 21 is fixed on the upper rotating plate 22 by a bolt, and an operator can select a proper limiting seat 21 for assembling according to the specification of the beam splitter prism;
in the embodiment provided in the present application, the driving module 33 includes:
a pushing rack 333, the pushing rack 333 being slidably connected to the driving gear 32;
a slider 332, wherein the slider 332 is disposed on an end surface of the pushing rack 333 away from the driving gear 32;
a pushing seat 331, wherein the pushing seat 331 is arranged at the top end of the sliding block 332;
wherein, the sliding block 332 slides in the sliding rail 41 provided on the surface of the base 40;
in the technical solution of the embodiment of the present application, a sliding groove is provided on a side wall of the sliding block 332, the sliding block 332 is assembled in a sliding rail 41 provided on a surface of the base 40 through the sliding groove, the sliding rail 41 adopts the prior art, and mainly provides a positioning and guiding function for movement of the sliding block 332, and the sliding block 332 is driven by a pushing seat 331 to move along the sliding rail 41;
in the embodiment provided in the application, the adjusting module 30 further includes a rotating shaft 34, the rotating shaft 34 is assembled with a base 40, the driving gear 32 is disposed at the end of the rotating shaft 34, a bearing is disposed at the end of the rotating shaft 34, the driving gear 32 is assembled at the outer side of the bearing, and the rotating shaft 34 provides a supporting point for the driving gear 32;
the embodiment of the utility model also provides a polarization beam splitter prism comprising the polarization beam splitter prism rotating bracket, wherein the polarization beam splitter prism comprises a prism lens body 10; the prism body 10 is inserted into the limit seat 21, and the deflection angle of the prism body 10 is changed by operating the pushing seat 331 to horizontally move;
in the technical scheme of the embodiment of the application, the polarization beam splitter prism realizes accurate control of the deflection angle through the polarization beam splitter prism rotating bracket with accurate deflection control, meets the angle control requirement in the deflection test process, improves the deflection light adjustment process regulation precision in the use process of the polarization beam splitter prism, and meets the light beam splitting control requirement;
in the technical solution of the embodiment of the present application, scale values are provided on the outer side of the sliding rail 41, so that the deflection angle of the prism lens body 10 can be precisely controlled by moving the pushing seat 331, and the deflection angle values are read by length scales, so that the problem that the angle reading mode is not precise enough is avoided; the deflection angle value is converted through the gear ratio and the tooth pitch among the rotating gear 24, the bevel gear 31, the driving gear 32 and the pushing rack 333, the deflection angle value can be converted into a length value for corresponding marking reading, and the pushing seat 331 moves by one standard unit length to represent the angle of deflection of the prism body 10 by one standard unit; the scale values are marked with angle data, so that the scale values are convenient to read directly;
the foregoing description of the preferred embodiments of the utility model should not be taken as limiting the scope of the utility model, but all changes and modifications that come within the meaning and range of equivalents of the utility model are intended to be embraced therein.
Claims (6)
1. A polarizing beam splitter prism rotating mount, comprising:
a base;
the turntable assembly is arranged on the end face of the base, and a limiting seat for accommodating the polarization splitting prism body is arranged on the turntable assembly;
the adjusting module comprises a bevel gear, a driving gear connected with the bevel gear and a driving module, and the bevel gear is rotationally connected with the turntable assembly;
the bottom of the driving module is rotationally connected with the driving gear, the top of the driving module extends out of the base, the part of the driving module extending out of the base drives the bevel gear to rotate, and the polarization beam splitter prism is driven by the adjusting module to rotate relative to the base.
2. The polarizing beamsplitter prism rotation mount of claim 1, wherein the turret assembly further comprises;
the limiting seat is assembled at the top of the upper rotating plate;
the rotating gear is arranged in the base;
the bottom of the upper rotating plate is provided with a shaft lever, the shaft lever penetrates through the base and is connected with a rotating gear, and the rotating gear is rotationally connected with an inclined plane gear.
3. The rotating mount for a polarizing beam splitter prism of claim 2, wherein the drive module comprises:
the pushing rack is connected with the driving gear in a sliding manner;
the sliding block is arranged on the end face of the pushing rack, which is far away from the driving gear;
the pushing seat is arranged at the top end of the sliding block;
the sliding block slides in a sliding rail arranged on the surface of the base, and the pushing rack drives the bevel gear and the driving gear to synchronously rotate under the pushing of the pushing seat.
4. A rotating bracket for a polarizing beam splitter prism according to claim 3, wherein the adjusting module further comprises a rotating shaft, the rotating shaft is assembled on the inner wall of the base, and the driving gear is disposed at the end of the rotating shaft.
5. A polarization beam splitter prism comprising the polarization beam splitter prism turning bracket of claim 4, wherein the polarization beam splitter prism further comprises a prism body; the prism lens body is inserted into the limit seat, and the deflection angle of the prism lens body is changed by pushing the horizontal movement of the seat.
6. The polarizing beam splitter prism of claim 5, wherein the outer side of the slide rail is provided with scale values.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321674887.3U CN220568996U (en) | 2023-06-29 | 2023-06-29 | Polarization beam splitter prism rotating support and polarization beam splitter prism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321674887.3U CN220568996U (en) | 2023-06-29 | 2023-06-29 | Polarization beam splitter prism rotating support and polarization beam splitter prism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220568996U true CN220568996U (en) | 2024-03-08 |
Family
ID=90094685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321674887.3U Active CN220568996U (en) | 2023-06-29 | 2023-06-29 | Polarization beam splitter prism rotating support and polarization beam splitter prism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220568996U (en) |
-
2023
- 2023-06-29 CN CN202321674887.3U patent/CN220568996U/en active Active
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