A combined reflecting prism
By using the magnetic mounting plate and adjustment knob in the combined reflective prism, the problem of the arms blocking the line of sight and light path is solved, and the observation without affecting the light path when rotating the prism is achieved, improving students' observation accuracy.
Patent Information
- Application Number
- CN202420823242.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-19
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-04-19
AI Technical Summary
When changing the direction of light by rotating the prism, the need to rotate the prism with your hands will cause the arms to block the line of sight and light path, resulting in the problem of students not being able to observe properly.
A combined reflective prism is designed. By setting a magnetic suction mounting plate at the bottom of the rotating reflective prism, the rotating reflective prism is adsorbed to the top of the magnetic suction base, and by rotating the adjustment knob by hand outside the light blocking enclosure, the magnetic suction base is driven to rotate, and the rotation of the rotating reflective prism is adjusted to adjust the refractive angle of light.
The problem of arms blocking vision and light paths is solved to ensure that students will not be disturbed when observing changes in the direction of light, and improve the accuracy of observation.
Smart Images

Figure CN222704796U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of prisms, in particular to a combined reflecting prism. Background Art
[0002] A combined reflective prism is an optical component consisting of multiple reflective surfaces used to change the direction of the light path. It can be made of different materials, such as glass, metal, etc., and has a variety of shapes and specifications. When designing and manufacturing a combined reflective prism, multiple factors need to be considered, such as the shape, material, and surface treatment of the reflective surface to ensure that it has high reflectivity, high precision, and stability. At the same time, the adjustment and compensation of the light path also need to be considered to ensure that the final light path effect meets the requirements. In short, the combined reflective prism is an important optical component with broad application prospects. With the development of optical technology and manufacturing, the performance and application of combined reflective prisms will be further improved and improved.
[0003] Combined reflecting prisms are widely used in optical instruments such as cameras, CCTV, projectors, telescopes, microscopes, etc. It can be used to change the direction of the light path to ensure the correct projection and display of the image, and it can also be used to accurately adjust the light path to improve the accuracy of measurement and observation.
[0004] In physics classes, teachers usually use rays and combined reflecting prisms to demonstrate the reflection and refraction of light. However, when changing the direction of light by rotating the prism, the prism needs to be rotated by hand, which causes the arm to block the line of sight and the light path, resulting in students' inability to observe properly. In view of this, the present application proposes a combined reflecting prism. Utility Model Content
[0005] In view of the deficiencies in the prior art, the utility model provides a combined reflecting prism, which has the advantages of not blocking the line of sight and the light path when the prism is rotated. This solves the problem that when changing the direction of light by rotating the prism, the prism needs to be rotated by hand, which causes the arm to block the line of sight and the light path, resulting in students' inability to observe properly.
[0006] To achieve the above object, the utility model provides the following technical solution: a combined reflective prism, comprising a bottom box, a circular hole is opened on the top of the bottom box, a rotating base is rotatably installed on the top of the bottom box, and a rotating reflective prism is arranged on the top of the rotating base;
[0007] The rotating base comprises a rotating shaft rotatably mounted inside the circular hole, a limiting bottom plate is fixedly mounted on the bottom end of the rotating shaft, and a magnetic base is fixedly mounted on the top end of the rotating shaft;
[0008] A magnetic mounting plate is fixedly mounted on the bottom of the rotating reflective prism, and the rotating reflective prism is adsorbed on the top of the magnetic base through the magnetic mounting plate. An adjusting knob for driving the rotating base to rotate is rotatably mounted on the top of the bottom box.
[0009] Furthermore, the surface of the magnetic base is provided with base vertical lines, the surface of the adjusting knob is provided with adjusting vertical lines matched with the base vertical lines, and the surface of the magnetic base is in contact with the surface of the adjusting knob.
[0010] Furthermore, a light-shielding enclosure is fixedly installed on the top of the bottom box, an adjustment hole is opened on one side of the light-shielding enclosure, and an adjustment knob extends to the outside of the light-shielding enclosure through the adjustment hole.
[0011] Furthermore, a ray emitter is fixedly mounted on the inner wall of the light-shielding enclosure, and a ray switch for controlling the opening and closing of the ray emitter is fixedly mounted on one side of the light-shielding enclosure.
[0012] Furthermore, a screw is rotatably mounted on the inner side wall of the bottom box, a moving block is slidably mounted on the inner bottom wall of the bottom box, and the screw penetrates the moving block and is threadedly connected to the moving block.
[0013] Furthermore, a long hole is opened on the top of the bottom box, a sliding block is slidably installed inside the long hole, and the bottom of the sliding block is fixedly connected to the top of the moving block.
[0014] Furthermore, a sliding base is fixedly installed on the top of the sliding block, a heightened bottom plate is fixedly installed on the top of the sliding base, and a sliding reflecting prism is fixedly installed on the top of the heightened bottom plate.
[0015] Furthermore, an adjusting motor is fixedly installed on one side of the bottom box, the output shaft of the adjusting motor is fixedly connected to one end of the screw rod, and a controller for controlling the opening, closing, forward rotation and reverse rotation of the adjusting motor is fixedly installed on one side of the bottom box.
[0016] Compared with the prior art, the utility model provides a combined reflecting prism, which has the following beneficial effects:
[0017] The combined reflecting prism is provided with a magnetic mounting plate at the bottom of the rotating reflecting prism, and the rotating reflecting prism is adsorbed to the top of the magnetic base through the magnetic mounting plate. The adjusting knob is manually turned outside the light-shielding enclosure to drive the magnetic base to rotate, and the rotating reflecting prism is driven to rotate, so as to adjust the refraction angle of the light. This solves the problem that when changing the direction of the light by rotating the prism, the arm will block the line of sight and the light path due to the need to manually rotate the prism, resulting in students' inability to observe properly. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the structure of the utility model;
[0019] Figure 2 It is a three-dimensional schematic diagram of the structure of the utility model;
[0020] Figure 3 It is a schematic top view of the structure of the utility model.
[0021] In the figure: 1. bottom box; 101. round hole; 2. rotating base; 21. rotating shaft; 22. limiting bottom plate; 23. magnetic base; 231. vertical lines on the base; 3. rotating reflecting prism; 4. magnetic mounting plate; 5. adjusting knob; 51. adjusting vertical lines; 6. light-shielding enclosure; 61. adjusting hole; 7. ray emitter; 8. ray switch; 9. screw; 10. moving block; 11. long hole; 12. slider; 13. sliding base; 14. raising bottom plate; 15. sliding reflecting prism; 16. adjusting motor; 17. controller. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] See also Figure 1-3 A combined reflecting prism comprises a bottom box 1, a circular hole 101 is opened on the top of the bottom box 1, a rotating base 2 is rotatably mounted on the top of the bottom box 1, and a rotating reflecting prism 3 is arranged on the top of the rotating base 2.
[0024] A light-shielding enclosure 6 is fixedly mounted on the top of the bottom box 1, and an adjustment hole 61 is provided on one side of the light-shielding enclosure 6. The light-shielding enclosure 6 is used to shield external light.
[0025] Secondly, a ray emitter 7 is fixedly mounted on the inner wall of the light shielding enclosure 6, and a ray switch 8 for controlling the opening and closing of the ray emitter 7 is fixedly mounted on one side of the light shielding enclosure 6. The ray emitter 7 emits rays to the rotating reflecting prism 3, and the refraction and reflection of light are understood by observing the light path.
[0026] Meanwhile, the rotating base 2 includes a rotating shaft 21 rotatably mounted inside the circular hole 101 , a limiting bottom plate 22 is fixedly mounted on the bottom end of the rotating shaft 21 , and a magnetic base 23 is fixedly mounted on the top end of the rotating shaft 21 .
[0027] Among them, a magnetic mounting plate 4 is fixedly installed at the bottom of the rotating reflective prism 3, and the rotating reflective prism 3 is adsorbed on the top of the magnetic base 23 through the magnetic mounting plate 4. When the rotating reflective prism 3 needs to be replaced, it can be quickly replaced through the magnetic connection method.
[0028] At the same time, an adjusting knob 5 is rotatably installed on the top of the bottom box 1 to drive the rotating base 2 to rotate, and the adjusting knob 5 extends to the outside of the light-shielding enclosure 6 through the adjusting hole 61.
[0029] The surface of the magnetic base 23 is provided with a base vertical line 231, and the surface of the adjusting knob 5 is provided with an adjusting vertical line 51 adapted to the base vertical line 231, and the surface of the magnetic base 23 contacts the surface of the adjusting knob 5. By rotating the adjusting knob 5 outside the light shielding enclosure 6, the adjusting vertical line 51 and the base vertical line 231 contact each other, driving the magnetic base 23 to rotate, and adjusting the angle of the rotating reflective prism 3.
[0030] At the same time, a screw rod 9 is rotatably mounted on the inner side wall of the bottom box 1, a moving block 10 is slidably mounted on the inner bottom wall of the bottom box 1, the screw rod 9 penetrates the moving block 10 and is threadedly connected with the moving block 10, a long hole 11 is opened on the top of the bottom box 1, a slider 12 is slidably mounted inside the long hole 11, and the bottom of the slider 12 is fixedly connected to the top of the moving block 10. The screw rod 9 rotates to drive the moving block 10 to move inside the bottom box 1, and drives the slider 12 to slide inside the long hole 11.
[0031] Secondly, a sliding base 13 is fixedly installed on the top of the slider 12, a heightened bottom plate 14 is fixedly installed on the top of the sliding base 13, and a sliding reflective prism 15 is fixedly installed on the top of the heightened bottom plate 14. The slider 12 moves, driving the sliding base 13 to move, adjusting the position of the sliding reflective prism 15 to adapt to different rotating reflective prisms 3, ensuring that the rays can be directed to the rotating reflective prism 3.
[0032] Finally, an adjusting motor 16 is fixedly installed on one side of the bottom box 1, and the output shaft of the adjusting motor 16 is fixedly connected to one end of the screw rod 9. A controller 17 for controlling the opening, closing, forward rotation and reverse rotation of the adjusting motor 16 is fixedly installed on one side of the bottom box 1. The controller 17 controls the opening, closing, forward rotation and reverse rotation of the adjusting motor 16 to adjust the position of the sliding reflecting prism 15.
[0033] When this embodiment is in use, the rotating reflecting prism 3 is installed on the top of the magnetic base 23, and the position of the sliding reflecting prism 15 is adjusted by the controller 17 so that the light emitted by the ray emitter 7 is refracted onto the rotating reflecting prism 3, and then the angle of the rotating reflecting prism 3 is adjusted by rotating the adjustment knob 5.
[0034] The electrical components appearing in the article are all electrically connected to the main controller and the power supply. The main controller can be a conventional known device for control such as a computer, and the existing public power connection technology is not described in detail in the article.
[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.
[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A combined reflecting prism, comprising a bottom box (1), characterized in that: A circular hole (101) is provided on the top of the bottom box (1); a rotating base (2) is rotatably mounted on the top of the bottom box (1); and a rotating reflecting prism (3) is provided on the top of the rotating base (2); The rotating base (2) comprises a rotating shaft (21) rotatably mounted inside the circular hole (101), a limiting bottom plate (22) is fixedly mounted on the bottom end of the rotating shaft (21), and a magnetic base (23) is fixedly mounted on the top end of the rotating shaft (21); A magnetic mounting plate (4) is fixedly mounted on the bottom of the rotating reflective prism (3); the rotating reflective prism (3) is adsorbed on the top of the magnetic base (23) via the magnetic mounting plate (4); and an adjusting knob (5) is rotatably mounted on the top of the bottom box (1) for driving the rotating base (2) to rotate.
2. A combined reflecting prism according to claim 1, characterized in that: The surface of the magnetic base (23) is provided with a base vertical line (231), the surface of the adjusting knob (5) is provided with an adjusting vertical line (51) that matches the base vertical line (231), and the surface of the magnetic base (23) is in contact with the surface of the adjusting knob (5).
3. A combined reflecting prism according to claim 2, characterized in that: A light-shielding enclosure (6) is fixedly mounted on the top of the bottom box (1), an adjustment hole (61) is provided on one side of the light-shielding enclosure (6), and the adjustment knob (5) extends to the outside of the light-shielding enclosure (6) through the adjustment hole (61).
4. A combined reflecting prism according to claim 3, characterized in that: A ray emitter (7) is fixedly mounted on the inner side wall of the light-shielding enclosure (6), and a ray switch (8) for controlling the opening and closing of the ray emitter (7) is fixedly mounted on one side of the light-shielding enclosure (6).
5. The combined reflecting prism according to claim 1, characterized in that: A screw rod (9) is rotatably mounted on the inner side wall of the bottom box (1), a moving block (10) is slidably mounted on the inner bottom wall of the bottom box (1), and the screw rod (9) penetrates the moving block (10) and is threadedly connected to the moving block (10).
6. A combined reflecting prism according to claim 5, characterized in that: The top of the bottom box (1) is provided with a long hole (11), a sliding block (12) is slidably installed inside the long hole (11), and the bottom of the sliding block (12) is fixedly connected to the top of the moving block (10).
7. A combined reflecting prism according to claim 6, characterized in that: A sliding base (13) is fixedly mounted on the top of the sliding block (12), a heightened bottom plate (14) is fixedly mounted on the top of the sliding base (13), and a sliding reflecting prism (15) is fixedly mounted on the top of the heightened bottom plate (14).
8. The combined reflecting prism according to claim 5, characterized in that: An adjusting motor (16) is fixedly mounted on one side of the bottom box (1), an output shaft of the adjusting motor (16) is fixedly connected to one end of the screw rod (9), and a controller (17) for controlling the opening, closing, forward rotation and reverse rotation of the adjusting motor (16) is fixedly mounted on one side of the bottom box (1).