Multi-angle adjustable beam splitter

Abstract

The utility model relates to the field of teaching aids, and discloses a multi-angle adjustable beam splitter, which comprises a bottom plate, a connecting assembly is arranged on the upper portion of the bottom plate, an adjusting assembly is arranged on the upper portion of the connecting assembly, and limiting assemblies are arranged on the lower portion of the connecting assembly and the lower portion of the adjusting assembly. Fixing assemblies are arranged on the left side, the right side and the front portion of the upper portion of the adjusting assembly, a lens is movably arranged between the fixing assemblies on the left side and the right side, and the connecting assembly comprises a vertical rod. According to the utility model, the bottom plate and the connecting assembly are arranged and the limiting assembly and the adjusting assembly are matched with each other, so that compared with a semi-transparent mirror and a beam splitting corner angle which are generally used by a traditional beam splitter, a light source is incident to the semi-transparent mirror or the beam splitting corner angle at different incident angles by using an optical bracket with a rotatable angle; and the light splitting proportion can be dynamically adjusted. The device is visual in operation, low in cost and suitable for teaching demonstration.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of teaching aids, especially a multi-angle adjustable light beam separator. BACKGROUND

[0002] The light beam separator is a kind of optical element, can divide into two or more light beams with a incident light beam, its main use includes optical experiment, laser system, imaging system and optical fiber communication etc., light beam separator usually has several types: half lens, beam splitter prism, wavelength selective beam splitter, static or dynamic beam splitter, in the school teaching process, more half lens, beam splitter corner is carried out optical test teaching.

[0003] Some traditional light beam separators for teaching in prior art can only fix lens by two fixed rods or fixed frame, and the fixing method cannot adjust and fix the angle of light beam separation lens flexibly, and the structure of some fixed frame in prior art is fixed, which leads to that the fixed frame can only fix specific lens and cannot adapt to different lens for fixing during demonstration, in addition, the fixed rod or fixed frame in prior art can only fix single lens and cannot fix two optical devices simultaneously, and two or more different optical devices are often combined to separate light beam in experiment, which is not convenient and practical. CONTENT OF UTILITY MODEL

[0004] In order to make up for the above shortcomings, the utility model provides a multi-angle adjustable light beam separator, aims at improving the inconvenience of fixing lens in angle adjustment and fixing light beam separation lens by only relying on two fixed rods or fixed frame during the use of the conventional light beam separator for teaching, and the utility model just provides an improvement scheme for these problems.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a multi-angle adjustable light beam separator, including the bottom plate, the upper portion of bottom plate is provided with the connecting component, the upper portion of connecting component is provided with the adjusting component, the lower portion of connecting component and the lower portion of adjusting component all are provided with the limit component, the upper portion left and right sides and the front of adjusting component all are provided with fixed component, the lens is movably arranged between the two fixed components of left and right sides, and the front fixed component can be provided with wave plate or polaroid and other optical devices, the connecting component includes the vertical rod, the top of vertical rod is fixedly connected with the connecting seat, the adjusting component includes the shell, the bottom of shell is fixedly connected with the fixed block, the middle part of fixed block is fixedly connected with the pivot, the pivot is penetrated with connecting seat and is connected in rotation, the limit component includes the connecting pipe, the lower portion connecting pipe is fixedly connected with bottom plate, the upper portion connecting pipe is fixedly connected with connecting seat, the outside of connecting pipe is connected with control cover, the inside of control cover is provided with inclined ring groove, the side close to inclined ring groove of connecting pipe is fixedly connected with limit petal and the number is plurality, the inboard of plurality of limit petals all are fixedly connected with limit pad.

[0006] Further description of the above technical scheme:

[0007] The connecting component further includes the connecting frame, the bottom surface left and right parts of the connecting frame are fixedly connected with the indicating rod, and the lower part of the indicating rod is fixedly connected with the indicating arrow.

[0008] Further description of the above technical scheme:

[0009] The adjusting component further includes the adjusting rod, the adjusting rod is penetrated with the shell and is connected in rotation, and the left and right sides of the inside of the shell are slidably connected with the sliding rod.

[0010] Further description of the above technical scheme:

[0011] The fixed component includes the shell, the inside of the shell is provided with the round plate, one side of the round plate is rotatably connected with the screw rod, and the front and rear parts of the other side of the round plate are provided with the support rod.

[0012] Further description of the above technical scheme:

[0013] Both ends of the support rod are movably connected with the connecting block, the connecting block close to the side of the round plate is fixedly connected with the round plate, and the connecting block away from the side of the round plate is fixedly connected with the sliding block on the side away from the support rod.

[0014] Further description of the above technical scheme:

[0015] The sliding block away from the side of the round plate is fixedly connected with the clamping plate, and the mutually close sides of the two clamping plates are fixedly connected with the fixed pad.

[0016] As a further description of the above technical solutions:

[0017] The shell is provided with sliding openings on the front and rear sides close to the clamping plate.

[0018] As a further description of the above technical solutions:

[0019] The upper portion of the bottom plate is provided with a connecting groove, the indicating rod is movably connected with the connecting groove, and the top surface of the bottom plate is provided with angle scales in a plurality of numbers.

[0020] The utility model has the advantages of the following beneficial effects:

[0021] 1. In the utility model, the mutual cooperation between the limiting assembly and the adjusting assembly is realized through the setting of the bottom plate and the connecting assembly, compared with the half lens and the beam splitting corner generally used by the traditional beam splitter, the optical support with the rotatable angle is used, the light source is incident to the half lens or the beam splitting corner at different incident angles, the proportion of light splitting is dynamically adjusted by changing the incident angle. The operation is intuitive, the cost is low, and it is suitable for teaching demonstration.

[0022] 2. In the utility model, the mutual cooperation between the fixing assembly and the adjusting assembly is realized, the size of the beam splitting mirror used according to the need can be adjusted, so that different lenses can be fixed, and the utility is higher.

[0023] 3. In the utility model, the fixing assembly is arranged on the left side, the right side and the front of the adjusting assembly, the combination of the wave plate and the beam splitting mirror or the polarizing plate and the beam splitting mirror can be realized, the polarization state of incident light or the polarization direction of light is adjusted through the wave plate or the polarizing plate before the light beam passes through the beam splitting mirror, the precise control and optimization of the light beam are realized, and the separation of specific light beams is further realized through the beam splitting mirror. DRAWINGS

[0024] Figure 1 The utility model provides a kind of overall three-dimensional structure schematic diagram of multi-angle adjustable beam splitter;

[0025] Figure 2 The utility model provides a kind of split three-dimensional structure schematic diagram of multi-angle adjustable beam splitter;

[0026] Figure 3 The utility model provides a kind of split three-dimensional structure schematic diagram of the adjusting assembly of multi-angle adjustable beam splitter;

[0027] Figure 4 The utility model provides a kind of shell cross section three-dimensional structure schematic diagram of multi-angle adjustable beam splitter;

[0028] Figure 5 A multi-angle adjustable light beam separator limiting assembly cross section three-dimensional structure schematic view is provided for the utility model.

[0029] Legend:

[0030] 1, base plate; 2, connecting assembly; 3, limiting assembly; 4, adjusting assembly; 5, fixed assembly; 6, lens; 21, vertical rod; 22, connecting frame; 23, indicating rod; 24, indicating arrow; 25, connecting seat; 31, connecting pipe; 32, limiting petal; 33, control sleeve; 34, inclined ring groove; 35, limiting pad; 41, shell; 42, fixed block; 43, rotating shaft; 44, adjusting rod; 45, sliding rod; 51, housing; 52, screw rod; 53, round plate; 54, supporting rod; 55, connecting block; 56, sliding block; 57, clamping plate; 58, fixed pad; 511, sliding opening; 11, angle scale; 12, connecting groove. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0032] Reference Figure 1 - Figure 2The utility model provides a kind of embodiment of multi-angle adjustable light beam separator, including bottom plate 1, it is used to cooperate and connect each component, the upper portion of bottom plate 1 is equipped with connecting groove 12, it is used to cooperate and connect the connecting of indicating rod 23, indicating rod 23 is movably connected with connecting groove 12, the top surface upper portion of bottom plate 1 is equipped with angle scale line 11 and the quantity is multiple, it is used to cooperate and show the adjusting angle of light beam separation lens 6, the upper portion of bottom plate 1 is equipped with connecting assembly 2, it is used to cooperate and connect each component, the upper portion of connecting assembly 2 is equipped with adjusting assembly 4, it is used to adjust the distance between the two fixed assemblies 5 of left and right side, for cooperation to the light beam separation mirror of body is fixed, the lower portion of connecting assembly 2 and the lower portion of adjusting assembly 4 are all equipped with limiting assembly 3, it is used to cooperate and fix the rotating angle of vertical rod 21 and the rotating angle of pivot 43, the upper portion left and right side and the front of adjusting assembly 4 are all equipped with fixed assembly 5, the two fixed assemblies 5 located left and right are used to fix light beam separation mirror, the fixed assembly 5 located front can be used to fix polaroid or wave plate and other optical devices, the lens 6 is movably arranged between the two fixed assemblies 5 located left and right, it is light beam separation mirror, it is made of material with different refractive index on base lens by using ultra-wide spectrum coating technology according to different needs, the reflection and transmission characteristics of light in wide spectral range are controlled using interference effect, so that efficient light beam separation is realized. It is very advantageous to demonstrate the behavior of different waveband light, suitable for multi-wavelength light source experiment, support multifunctional optical experiment design, can improve the accuracy and diversity of experiment, help students better understand optical principles.

[0033] As Figure 2 And Figure 5 As shown, connecting assembly 2 includes vertical rod 21, it is used to cooperate and connect each component, vertical rod 21 is rotatably connected with bottom plate 1, the top of vertical rod 21 is fixedly connected with connecting seat 25, it is used to cooperate and connect adjusting assembly 4, adjusting assembly 4 includes shell 41, it is used to cooperate and connect each component, the bottom of shell 41 is fixedly connected with fixed block 42, it is used to cooperate and connect pivot 43, the middle of fixed block 42 is fixedly connected with pivot 43, it is used to cooperate and connect adjusting assembly 4 and connecting assembly 2, pivot 43 is rotatably connected with connecting seat 25, limiting assembly 3 includes connecting pipe 31, the lower part of connecting pipe 31 is fixedly connected with bottom plate 1, the upper part of connecting pipe 31 is fixedly connected with connecting seat 25, the outside of connecting pipe 31 is threadedly connected with control sleeve 33, it is used to control the opening and closing of multiple limiting petals 32, the inside of control sleeve 33 is equipped with inclined ring groove 34, it is adapted to the shape of multiple limiting petals 32, the side of connecting pipe 31 close to inclined ring groove 34 is fixedly connected with multiple limiting petals 32, it can produce a certain degree of deformation, the inside of multiple limiting petals 32 is fixedly connected with limiting pad 35, it is rubber material, it is used to cooperate and fix vertical rod 21 or pivot 43.

[0034] Further, the connecting assembly 2 further comprises a connecting frame 22, which is used for matching connection of components, the bottom of the connecting frame 22 is fixedly connected with an indicating rod 23 on the left and right sides, the lower part of the indicating rod 23 is fixedly connected with an indicating arrow 24, which is used for matching the use of the angle scale 11, the adjusting assembly 4 further comprises an adjusting rod 44, the outer wall of the adjusting rod 44 is provided with threads in opposite directions on the left and right sides, the adjusting rod 44 is penetrated through and screw-connected with the shell 41, the inside of the shell 41 is slidably connected with a sliding rod 45 on the left and right sides, which is used for matching connection with the fixing assembly 5.

[0035] Please refer to Figures 3-4 The fixing assembly 5 comprises a shell 51, which is used for matching connection of components, the shell 51 is fixedly connected with the sliding rod 45, the inside of the shell 51 is provided with a circular plate 53, which is used for matching connection of components, one side of the circular plate 53 is rotatably connected with a screw rod 52, which is inseparable from the circular plate 53, the other side of the circular plate 53 is provided with a support rod 54 on the front and back sides, the two support rods 54 are symmetrically arranged, the two ends of the support rod 54 are movably connected with a connecting block 55, which is used for matching connection between the circular plate 53 and the sliding block 56, the connecting block 55 close to the circular plate 53 is fixedly connected with the circular plate 53, the connecting block 55 away from the circular plate 53 is fixedly connected with a sliding block 56 on the side away from the support rod 54, the sliding block 56 is fixedly connected with a clamping plate 57 on the side away from the circular plate 53, the clamping plate 57 and the connecting block 55 fixedly connected with the sliding block 56 can limit the movement of the sliding block 56 to a certain extent, so that it can only slide with the sliding slot 511, so that the clamping plate 57 will not be inclined, which is used for matching the fixing lens 6, the side close to each other of the two clamping plates 57 is fixedly connected with a fixing pad 58, which is made of rubber, the side close to the clamping plate 57 of the shell 51 is provided with a sliding slot 511 on the front and back sides, and the sliding block 56 is slidably connected with the sliding slot 511.

[0036] Working principle: In use, first rotate the adjusting rod 44 to move the two sliding rods 45 closer or further apart, thereby adjusting the position between the two fixed components 5 so that the left and right fixed components 5 can fix the lens 6. After the position of the sliding rods 45 is adjusted, place the lens 6 between the left and right fixed components 5. If necessary, optical devices such as waveplates or polarizers can be fixed on the front fixed component 5. Then rotate the screws 52 on the two fixed components 5. The screws 52 will drive the circular plate 53 to move. When the circular plate 53 moves, the support rod 54 connected to the circular plate 53 through the connecting block 55 will be moved accordingly. Since the other end of the support rod 54 is connected to the slider 56 through the connecting block 55, and the slider 56 is connected to the clamping plate 57, when the circular plate 53 moves, it will drive the two clamping plates 57 closer or further apart through the support rod 54, depending on the direction of movement of the circular plate 53. When the two clamps 57 approach each other, the fixing pads 58 on the two clamps 57 will fix the lens 6. After the lens 6 is fixed, if it is necessary to adjust its angle, first rotate the control sleeve 33 to disengage it from the connecting tube 31, thereby opening the multiple limiting flaps 32, loosening the upright 21 or the rotating shaft 43 that is fixed thereon, and then rotate the upright 21 or the rotating shaft 43 to adjust the angle of the lens 6. After the angle is adjusted, simply rotate the control sleeve 33 in the opposite direction to tighten the control sleeve 33 and the connecting tube 31, thereby tightening the multiple limiting flaps 32 controlled by the inclined ring groove 34, and fixing the rotating shaft 43 or the upright 21. When the upright 21 rotates, it will drive the connecting frame 22 to rotate, and the indicator rod 23 fixed to the connecting frame 22 will rotate accordingly. The user can understand the rotation angle by the cooperation between the indicator arrow 24 and the angle mark 11.

[0037] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A multi-angle adjustable beam splitter, comprising a base plate (1), characterized in that: A connecting component (2) is provided on the upper part of the base plate (1), and an adjusting component (4) is provided on the upper part of the connecting component (2). Limiting components (3) are provided on the lower parts of both the connecting component (2) and the adjusting component (4). Fixing components (5) are provided on the upper left, right, and front sides of the adjusting component (4). A lens (6) is movably arranged between the two fixing components (5) located on the left and right sides. The connecting component (2) includes a vertical rod (21), and a connecting seat (25) is fixedly connected to the top of the vertical rod (21). The adjusting component (4) includes a housing (41), and a fixing block (42) is fixedly connected to the bottom of the housing (41). A rotating shaft (43) is fixedly connected to the middle of the block (42). The rotating shaft (43) passes through and is rotatably connected to the connecting seat (25). The limiting component (3) includes a connecting tube (31). The connecting tube (31) located at the lower part is fixedly connected to the base plate (1). The connecting tube (31) located at the upper part is fixedly connected to the connecting seat (25). The connecting tube (31) is threaded with a control sleeve (33). The control sleeve (33) has an inclined ring groove (34) inside. The connecting tube (31) is fixedly connected with a limiting petal (32) on the side near the inclined ring groove (34). There are multiple limiting petals (32). The inner sides of the multiple limiting petals (32) are fixedly connected with limiting pads (35).

2. The multi-angle adjustable beam splitter according to claim 1, characterized in that: The connecting component (2) also includes a connecting frame (22), and an indicator rod (23) is fixedly connected to the left and right sides of the bottom surface of the connecting frame (22), and an indicator arrow (24) is fixedly connected to the lower part of the indicator rod (23).

3. The multi-angle adjustable beam splitter according to claim 1, characterized in that: The adjustment assembly (4) also includes an adjustment rod (44), which is threaded through and connected to the outer shell (41). The inner left and right sides of the outer shell (41) are slidably connected to slide rods (45).

4. A multi-angle adjustable beam splitter according to claim 1, characterized in that: The fixing component (5) includes a housing (51), inside which a circular plate (53) is provided. A screw (52) is rotatably connected to one side of the circular plate (53), and support rods (54) are provided at the front and rear of the other side of the circular plate (53).

5. A multi-angle adjustable beam splitter according to claim 4, characterized in that: Both ends of the support rod (54) are movably connected to connecting blocks (55). The connecting block (55) on the side closer to the circular plate (53) is fixedly connected to the circular plate (53), and the connecting block (55) on the side away from the circular plate (53) is fixedly connected to a slider (56) on the side away from the support rod (54).

6. A multi-angle adjustable beam splitter according to claim 5, characterized in that: The slider (56) is fixedly connected to a clamping plate (57) on the side away from the circular plate (53), and a fixing pad (58) is fixedly connected to the side of the two clamping plates (57) that are close to each other.

7. A multi-angle adjustable beam splitter according to claim 6, characterized in that: The housing (51) has sliding openings (511) on both the front and rear sides of the side near the clamping plate (57).

8. A multi-angle adjustable beam splitter according to claim 2, characterized in that: The upper part of the base plate (1) is provided with a connecting groove (12), the indicator rod (23) is movably connected to the connecting groove (12), and the upper part of the top surface of the base plate (1) is provided with angle markings (11) in multiple quantities.

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