CN111505790A

CN111505790A - Adjustable optical prism

Info

Publication number: CN111505790A
Application number: CN202010192842.7A
Authority: CN
Inventors: 刘勇; 刘天煜
Original assignee: Jiangsu Precise Way Optics Co ltd
Current assignee: Jiangsu Precise Way Optics Co ltd
Priority date: 2020-03-18
Filing date: 2020-03-18
Publication date: 2020-08-07

Abstract

The invention relates to the technical field of optical prism experiments, and discloses an adjustable optical prism which comprises a bottom plate in a hollow structure, wherein the center of the inner bottom surface of the bottom plate is rotatably connected with one end of a rotating column, the other end of the rotating column vertically penetrates through the bottom plate and is fixedly connected to the center of the bottom of an installation frame, opposite surfaces on two sides of the top of the installation frame are rotatably connected with rotating plates through rotating shafts, a rotating shaft is fixedly connected between the centers of the opposite surfaces of the two rotating plates, and one end of the rotating shaft is provided with a limiting part for limiting the corresponding rotating plate to rotate. This adjustable optical prism makes the teacher pass through positioning mechanism with at most three different prisms fixed in advance before giving lessons, then experimental operation when being used for class to every prism does not disturb each other in the experimentation, thereby provides convenient for teacher's experimentation, has reduced teacher's the complexity of preparing burden and class operation before class, improves the practicality.

Description

Adjustable optical prism

Technical Field

The invention relates to the technical field of optical prism experiments, in particular to an adjustable optical prism.

Background

The prism is a polyhedron made of transparent materials (such as glass, crystal and the like). The method is widely applied to optical instruments. The prism can be divided into several kinds according to its properties and uses. For example, in spectroscopy instruments, a "dispersive prism" which decomposes the composite light into a spectrum, more commonly an equilateral triangular prism; the so-called "total reflection prism" for changing the proceeding direction of light in periscope, binocular telescope and other instruments so as to adjust the imaging position is generally a right-angle prism.

At present, in the experiments of light splitting and dispersion of prisms, the light splitting and dispersion phenomena of a plurality of different prisms are often observed through one-time experiments, most of traditional prisms are not convenient enough in adjustment, certain deviation can be caused to the experiment results, the teaching burden of teachers is increased, and the convenience of operation is common.

To this end, we have designed a tunable optical prism.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an adjustable optical prism, which solves the problems that most traditional prisms are inconvenient to adjust, certain deviation can be caused to experimental results, the teaching burden of teachers is increased, and the operation is convenient and fast.

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides an optical prism with adjustable, is including the bottom plate that is hollow structure, the interior bottom center of bottom plate rotates the one end of connecting the rotary column, and the other end of rotary column is vertical wears out bottom plate and fixed connection in the bottom central authorities of mounting bracket, and the top both sides opposite face of mounting bracket all rotates through the pivot and is connected with the rotor plate, fixedly connected with rotation axis between the opposite face center of two rotor plates, the one end of rotation axis is provided with and is used for the restriction to correspond rotor plate pivoted locating part, all is connected with prism, three prism parallel arrangement through positioning mechanism between the relative terminal surface of two rotor plates.

Further, the mounting rack is integrally formed into a U-shaped structure.

Further, the rotating plate is integrally formed into a Y-shaped structure.

Furthermore, the positioning mechanism comprises a threaded pipe, the end of the rotating plate penetrates through the threaded pipe, the threaded pipe is connected with a screw rod shaft in a threaded mode, one end of the screw rod shaft is fixedly connected with a knob, the other end of the screw rod shaft is rotatably connected with a rubber pad, and a positioning plate is fixedly sleeved at one end, far away from the knob, of the threaded pipe.

Furthermore, the locating part includes thread bush and push ring, thread bush and rotation axis one end threaded connection, and with push ring one side contact, push ring sliding sleeve connects in the rotation axis outside.

Furthermore, still be provided with the manual adjustment mechanism that is used for adjusting the mounting bracket and turns to in the bottom plate, manual adjustment mechanism is including fixed gear of adorning on the inside rotary column of bottom plate, and the gear engagement is connected with the worm axle, the one end of worm axle is passed through the bearing frame and is connected at the interior bottom surface of bottom plate, and the other end of worm axle wears out the global and fixedly connected with of bottom plate and twists round.

The invention has the beneficial effects that:

1. according to the invention, a teacher can fix at most three different prisms through the positioning mechanism before giving lessons, and then the prisms are used for experimental operation in class, and each prism does not interfere with each other in the experimental process, so that convenience is provided for the experimental process of the teacher, the burden of preparation in class and the complexity of operation in class of the teacher are reduced, and the practicability is improved.

2. According to the invention, after the rotating plate is turned to any angle through the limiting part, the rotating plate can be limited through the limiting part, so that the stability of the prism in the experiment process is ensured, and the accuracy of the experiment result is ensured to the maximum extent; can twist round through twisting to turn round for worm axle rotation drives the gear and rotates simultaneously, and gear revolve drives the mounting bracket through the rotary column and rotates simultaneously, thereby reaches the purpose that the adjustment prism turned to, provides the operation facility for aiming at the light source before the experiment, has widened practical application scope greatly.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a positioning mechanism according to the present invention;

FIG. 3 is a schematic view of a position-limiting element according to the present invention;

fig. 4 is an interior plan view of the base plate of the present invention.

In the figure: 1. a base plate; 2. turning the column; 3. a mounting frame; 4. a rotating plate; 5. a prism; 6. a rotating shaft; 7. a threaded pipe; 8. positioning a plate; 9. a knob; 10. a screw shaft; 11. a limiting member; 12. twisting; 13. a bearing seat; 14. a push ring; 15. a threaded sleeve; 16. a rubber pad; 17. a gear; 18. a worm.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to FIGS. 1-4: an adjustable optical prism comprises a bottom plate 1 which is of a hollow structure, wherein the center of the inner bottom surface of the bottom plate 1 is rotatably connected with one end of a rotary column 2, the other end of the rotary column 2 vertically penetrates out of the bottom plate 1 and is fixedly connected with the center of the bottom of an installation frame 3, opposite surfaces on two sides of the top of the installation frame 3 are rotatably connected with rotary plates 4 through rotary shafts, a rotary shaft 6 is fixedly connected between the centers of the opposite surfaces of the two rotary plates 4, one end of the rotary shaft 6 is provided with a limiting part 11 used for limiting the rotation of the corresponding rotary plate 4, the two rotary plates 4 are mutually connected through the rotary shafts 6, so that after the rotary plate 4 at one end is positioned by means of the limiting part 11, the rotary plate 4 at the other side is simultaneously limited, the rotary plates 4 can be limited through the limiting part 11 after being turned to any angle, and the stability of the, therefore, the accuracy of the experimental result can be ensured to the maximum extent.

Further, mounting bracket 3 integrated into one piece is the U-shaped structure, reaches the purpose of being convenient for install.

Further, rotor plate 4 integrated into one piece is Y shape structure, and all is connected with prism 5 through positioning mechanism between two rotor plate 4's the relative terminal surface, three prism 5 parallel arrangement, thereby make the teacher before giving lessons, can be in advance fixed with at most three different prism 5 through positioning mechanism, then experimental operation when being used for class, and every prism 5 does not interfere with each other in the experimentation, thereby it is convenient to provide for teacher's experimentation, the complexity of teacher's preparation burden and class time operation has been reduced, and the practicality is improved.

Still further, the positioning mechanism comprises a threaded pipe 7 fixedly penetrating through the end portion of the rotating plate 4, a screw shaft 10 is connected with the threaded pipe 7 in a threaded mode, a knob 9 is fixedly connected to one end of the screw shaft 10, a rubber pad 16 is rotatably connected to the other end of the screw shaft 10, and a positioning plate 8 is fixedly sleeved on one end, far away from the knob 9, of the threaded pipe 7.

Further, the limiting part 11 comprises a threaded sleeve 15 and a push ring 14, the threaded sleeve 15 is in threaded connection with one end of the rotating shaft 6 and contacts with one side of the push ring 14, the push ring 14 is sleeved outside the rotating shaft 6 in a sliding mode, the limiting part 11 can enable the rotating plate 4 and the mounting frame 3 to be relatively fixed, and stability of the prism 5 in the process of an experiment is guaranteed.

Further, still be provided with the manual adjustment mechanism who is used for adjusting the mounting bracket 3 and turns to in the bottom plate 1, manual adjustment mechanism includes the gear 17 of fixed suit on the inside rotary column 2 of bottom plate 1, and gear 17 meshing is connected with worm axle 18, the one end of worm axle 18 is passed through bearing frame 13 and is connected at the interior bottom surface of bottom plate 1, and the other end of worm axle 18 wears out the global and fixedly connected with of bottom plate 1 and twists the 12, and then can twist 12 through twisting, makes worm axle 18 rotatory and drive gear 17 and rotate simultaneously, drives mounting bracket 3 through rotary column 2 when gear 17 pivoted, thereby reaches the purpose that adjustment prism 5 turned to, provides convenient operation for aiming at the light source before the experiment, has widened actual application scope greatly.

In conclusion, when the device is used, a teacher can fix at most three different prisms 5 through the positioning mechanism before giving lessons, and then the prisms are used for experimental operation in class, and each prism 5 does not interfere with each other in the experimental process, so that convenience is provided for the experimental process of the teacher, the burden of preparation in class and the complexity of operation in class of the teacher are reduced, and the practicability is improved; after the rotating plate 4 is turned to any angle through the limiting part 11, the rotating plate can be limited through the limiting part, so that the stability of the prism 5 in the experiment process is ensured, and the accuracy of the experiment result is ensured to the maximum extent; can twist round 12 through twisting the commentaries on classics for worm axle 18 is rotatory and drive gear 17 and rotate simultaneously, and gear 17 rotates drives mounting bracket 3 through rotary column 2 and rotates simultaneously, thereby reaches the purpose of adjustment prism 5 turning, provides the operation facility for aiming at the light source before the experiment, has widened practical application scope greatly.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. An adjustable optical prism, comprising a bottom plate (1) having a hollow structure, characterized in that: the interior bottom surface center of bottom plate (1) rotates the one end of connecting rotary column (2), and the other end of rotary column (2) is vertical to be worn out bottom plate (1) and fixed connection at the bottom central authorities of mounting bracket (3), and the top both sides opposite face of mounting bracket (3) all rotates through the pivot and is connected with rotor plate (4), fixedly connected with rotation axis (6) between the opposite face center of two rotor plates (4), the one end of rotation axis (6) is provided with and is used for the restriction to correspond rotor plate (4) pivoted locating part (11), all is connected with prism (5), three prism (5) parallel arrangement through positioning mechanism between the relative terminal surface of two rotor plates (4).

2. The adjustable optical prism as claimed in claim 1, wherein: the mounting rack (3) is integrally formed into a U-shaped structure.

3. A tunable optical prism as claimed in claim (1), wherein: the rotating plate (4) is integrally formed into a Y-shaped structure.

4. The adjustable optical prism as claimed in claim 1, wherein: the positioning mechanism comprises a threaded pipe (7) fixed by penetrating through the end part of the rotating plate (4), a screw rod shaft (10) is connected with the threaded pipe (7) in an internal thread mode, a knob (9) is fixedly connected with one end of the screw rod shaft (10), a rubber pad (16) is rotatably connected with the other end of the screw rod shaft (10), and a positioning plate (8) is fixedly sleeved at one end, far away from the knob (9), of the threaded pipe (7).

5. The adjustable optical prism as claimed in claim 1, wherein: the limiting piece (11) comprises a threaded sleeve (15) and a push ring (14), the threaded sleeve (15) is in threaded connection with one end of the rotating shaft (6) and is in contact with one side of the push ring (14), and the push ring (14) is sleeved on the outer side of the rotating shaft (6) in a sliding mode.

6. The adjustable optical prism as claimed in claim 1, wherein: still be provided with the manual adjustment mechanism who is used for adjusting mounting bracket (3) to turn to in bottom plate (1), manual adjustment mechanism is including fixed gear (17) of adorning on bottom plate (1) inside rotary column (2), and gear (17) meshing is connected with worm axle (18), the interior bottom surface at bottom plate (1) is connected through bearing frame (13) to the one end of worm axle (18), and the other end of worm axle (18) is worn out the global and fixedly connected with of bottom plate (1) and is twisted round (12).