Visual grating mounting and positioning tool

Abstract

The utility model discloses a visual grating installing and positioning tool which comprises a positioning assembly, and the positioning assembly comprises a base, two limiting seats, an installing seat, an arc-shaped groove, an arc-shaped sliding block, a spring, an arc-shaped limiting column, a push rod, a rotating shaft, an imaging plate and two bayonet sockets. Under the cooperation of the angle adjusting knob, the push rod, the arc-shaped slide block, the limiting seat and other structures, the limiting seat drives the grating main body to rotate by taking the rotating shaft as the axis, so that the angle of the grating can be adjusted, and the quality of a diffraction image can be observed in real time; the grating scribed line is vertical to the optical axis and is in a focal plane, and the position adjustment of the grating main body is finished; according to the utility model, not only is the angle adjustment of the grating main body realized, but also diffraction images can be displayed in real time when the angle of the grating main body is adjusted through the arrangement of the imaging plate, so that the adjustment precision of the grating main body is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of installation positioning tool, specifically visual grating installation positioning tool, belong to grating installation tool technical field. BACKGROUND

[0002] Grating is an important optical device, widely used in spectral analysis, laser, optical communication and other fields. Grating is usually composed of a large number of parallel slits or lines with equal width and equal spacing. The spacing of these slits or lines is called grating constant. According to the way of interaction between light and grating, grating can be divided into transmission grating and reflection grating. Transmission grating is the light passing through the slits of the grating, and diffraction and interference occur during transmission. Reflection grating is the light reflected on the surface of the grating, and interference occurs between reflected light, which is commonly used for high-precision spectral analysis.

[0003] As a spectral element, grating has high requirements during installation. The core requirement during installation and positioning of grating is to ensure that the grating lines are strictly parallel to the incident optical axis, and the grating surface is located on the focal plane of the focusing mirror.

[0004] Currently, there is a lack of quick adjustment mechanism for the angle of the grating during installation. Therefore, the installer needs to spend more time and effort to adjust the angle of the grating, resulting in low installation efficiency. Moreover, there is a lack of visual feedback, and the diffraction pattern cannot be viewed in real time during debugging, which affects the installation accuracy of the grating. Therefore, a visual grating installation positioning tool is proposed. UTILITY MODEL CONTENT

[0005] The utility model aims to provide a kind of visual grating installation positioning tool to solve one of the problems proposed in the above background technology.

[0006] The utility model is implemented by the following technical solutions: a kind of visual grating installation positioning tool, including positioning assembly, the positioning assembly includes base, two limit seats, mounting seat, arc slot, arc slider, spring, arc limit column, push rod, rotating shaft, imaging plate and two plug-in seats;

[0007] One of the limit seats is rotatably connected to the upper surface of the base by the rotating shaft, and the other limit seat is rotatably connected to the upper surface of the arc slider. The arc slot is opened on the upper surface of the mounting seat. The arc slider is slidably connected to the inner side wall of the arc slot. The arc limit column is fixedly connected to the inner side wall of the arc slot. The spring is sleeved on the outer side wall of the arc limit column. The push rod is threadedly connected to the inside of the mounting seat. Two plug-in seats are symmetrically fixedly connected to the upper surface of the base. The imaging plate is plugged into the inside of the two plug-in seats.

[0008] As a further preferred of the technical solution: the arc-shaped sliding block is slidably connected to the outer side wall of the arc-shaped limiting column, and the mounting seat is fixedly connected to the upper surface of the base.

[0009] As a further preferred of the technical solution: one end of the spring abuts against the arc-shaped sliding block, and the other end of the spring abuts against the mounting seat.

[0010] As a further preferred of the technical solution: one end of the push rod abuts against the arc-shaped sliding block, and the other end of the push rod is fixedly connected with the angle adjusting knob.

[0011] As a further preferred of the technical solution: the limiting seat is internally provided with the grating body.

[0012] As a further preferred of the technical solution: the limiting seat is internally slidably connected with the clamping plate, the rear surface of the clamping plate is symmetrically fixedly connected with two limiting rods, the limiting rods are externally sleeved with the tension spring, one end of the tension spring is fixedly connected with the limiting seat, and the other end of the tension spring is fixedly connected with the rear end of the limiting rod.

[0013] As a further preferred of the technical solution: the limiting rod is slidably connected to the inside of the limiting seat, the front surface of the grating body is attached to the inner rear wall of the limiting seat, and the rear surface of the grating body is attached to the front surface of the clamping plate.

[0014] As a further preferred of the technical solution: the position of the grating body corresponds to the position of the imaging plate.

[0015] The advantages of the present application are as follows:

[0016] 1. The imaging plate is arranged, the light source displays a diffraction pattern on the imaging plate after passing through the grating body, then the angle adjusting knob is rotated, and the angle adjusting knob, the push rod, the arc-shaped sliding block and the limiting seat are matched, the limiting seat drives the grating body, the grating body rotates around the rotating shaft, the angle of the grating can be adjusted, the quality of the diffraction image is observed in real time, when the diffraction fringe contrast is the highest and the distribution is symmetrical, it is indicated that the grating ruling is perpendicular to the optical axis and is in the focal plane, and then the position adjustment of the grating body is completed.

[0017] 2. The present application not only adjusts the angle of the grating body, but also displays the diffraction image in real time when the angle of the grating body is adjusted, and the adjustment accuracy of the grating body is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0019] Figure 1 It is a structural schematic diagram of the present application;

[0020] Figure 2 It is a structural schematic diagram of the positioning assembly of the present application;

[0021] Figure 3 It is a structural schematic diagram of the mounting seat of the present application;

[0022] Figure 4 It is a structural schematic diagram of the limiting seat of the present application.

[0023] In the figure: 101, positioning assembly; 11, base; 12, limiting seat; 13, mounting seat; 14, arc-shaped groove; 15, arc-shaped sliding block; 16, spring; 17, arc-shaped limiting column; 18, push rod; 19, clamping plate; 20, tension spring; 21, limiting rod; 22, angle adjusting knob; 23, rotating shaft; 31, imaging plate; 32, grating main body; 33, plug-in seat. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application, obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0025] EMBODIMENT

[0026] Please refer to Figures 1-4 The present application provides a technical solution: a visual grating installation and positioning tool, which comprises a positioning assembly 101, the positioning assembly 101 comprises a base 11, two limiting seats 12, a mounting seat 13, an arc-shaped groove 14, an arc-shaped sliding block 15, a spring 16, an arc-shaped limiting column 17, a push rod 18, a rotating shaft 23, an imaging plate 31 and two plug-in seats 33.

[0027] One limit seat 12 is rotatably connected to the upper surface of the base 11 through the rotating shaft 23, and the other limit seat 12 is rotatably connected to the upper surface of the arc-shaped sliding block 15. The arc-shaped slot 14 is arranged on the upper surface of the mounting seat 13. The inside of the limit seat 12 is provided with the grating main body 32. When the angle of the grating is adjusted, the grating rotates around the rotating shaft 23, thereby realizing the angle adjustment of the grating.

[0028] The arc-shaped sliding block 15 is slidably connected to the inner side wall of the arc-shaped slot 14. The arc-shaped limiting column 17 is fixedly connected to the inner side wall of the arc-shaped slot 14. The arc-shaped sliding block 15 is slidably connected to the outer side wall of the arc-shaped limiting column 17. The position of the arc-shaped sliding block 15 can be limited through the arc-shaped slot 14. The arc-shaped slot 14, the arc-shaped sliding block 15 and the arc-shaped limiting column 17 are all arranged around the axis of the rotating shaft 23.

[0029] The spring 16 is sleeved on the outer side wall of the arc-shaped limiting column 17. The push rod 18 is threadedly connected to the inside of the mounting seat 13. The two plug-in seats 33 are symmetrically and fixedly connected to the upper surface of the base 11. The imaging plate 31 is plugged into the inside of the two plug-in seats 33. The imaging plate 31 is installed in a plug-in manner, which facilitates the disassembly and assembly of the imaging plate 31.

[0030] One end of the push rod 18 abuts against the arc-shaped sliding block 15. The other end of the push rod 18 is fixedly connected with the angle adjusting knob 22. When the angle adjusting knob 22 is rotated, the angle adjusting knob 22 drives the push rod 18 to rotate. Since the push rod 18 is threadedly connected with the mounting seat 13, the push rod 18 can push the arc-shaped sliding block 15 to slide in the arc-shaped slot 14. When the arc-shaped sliding block 15 slides, it drives one limit seat 12, which drives the grating to rotate around the rotating shaft 23, thereby realizing the angle adjustment of the grating.

[0031] In this embodiment, specifically, the mounting seat 13 is fixedly connected to the upper surface of the base 11, thereby ensuring the stability of the structure.

[0032] In this embodiment, specifically, one end of the spring 16 abuts against the arc-shaped sliding block 15, and the other end of the spring 16 abuts against the mounting seat 13. The arc-shaped sliding block 15 can be kept in contact with the end of the push rod 18 by pushing the arc-shaped sliding block 15 through the spring 16.

[0033] When the angle adjusting knob 22 is rotated clockwise, the push rod 18 pushes the arc-shaped sliding block 15 to slide. At this time, the grating main body 32 rotates counterclockwise. When the angle adjusting knob 22 is rotated counterclockwise, the arc-shaped sliding block 15 slides along the arc-shaped limiting column 17 under the pushing of the spring 16. At this time, the grating main body 32 rotates clockwise.

[0034] In the embodiment, specifically: the inside of the limiting seat 12 is slidably connected with a clamping plate 19, the rear surface of the clamping plate 19 is symmetrically and fixedly connected with two limiting rods 21, the outside of the limiting rod 21 is sleeved with a tension spring 20, one end of the tension spring 20 is fixedly connected with the limiting seat 12, the other end of the tension spring 20 is fixedly connected with the rear end of the limiting rod 21, the limiting rod 21 is slidably connected in the inside of the limiting seat 12, the front surface of the grating main body 32 is attached to the inner rear wall of the limiting seat 12, the rear surface of the grating main body 32 is attached to the front surface of the clamping plate 19, the limiting rod 21 is pulled by the tension spring 20, the clamping plate 19 is pushed by the limiting rod 21 to keep being attached to the grating main body 32, and the position of the grating main body 32 can be limited.

[0035] In the embodiment, specifically: the position of the grating main body 32 corresponds to the position of the imaging plate 31, then when the position of the grating main body 32 is adjusted, the diffraction pattern can be displayed on the imaging plate 31 after the light source is turned on, in the process of adjusting and positioning, the quality of the diffraction image is observed in real time, when the diffraction fringe contrast is the highest and the distribution is symmetrical, it is indicated that the grating ruling is perpendicular to the optical axis and is in the focal plane, and then the position adjustment of the grating main body 32 is completed.

[0036] The working principle or structural principle is that when in use, the grating main body 32 is inserted into the two limiting seats 12, the clamping plate 19 clamps the grating main body 32 under the pushing of the tension spring 20, at this time, the positioning of the grating main body 32 is realized, the angle position of the grating main body 32 can be adjusted, when adjusting, the imaging plate 31 is first inserted into the two insertion seats 33, then the light source is turned on, the light source displays the diffraction pattern on the imaging plate 31 after passing through the grating main body 32, the angle adjusting knob 22 is rotated, the push rod 18 is driven to rotate by the angle adjusting knob 22, the push rod 18 can drive the arc-shaped sliding block 15 to slide in the arc-shaped groove 14, the arc-shaped sliding block 15 drives one limiting seat 12 to slide when sliding, the limiting seat 12 drives the grating main body 32 to rotate around the rotating shaft 23, and then the angle adjustment of the grating can be realized, the quality of the diffraction image on the imaging plate 31 is observed in real time, when the diffraction fringe contrast is the highest and the distribution is symmetrical, it is indicated that the grating ruling is perpendicular to the optical axis and is in the focal plane, and then the position adjustment of the grating main body 32 is completed.

[0037] Compared with the prior art, the grating main body 32 can be adjusted in angle through the cooperation of the mounting seat 13, the arc-shaped sliding block 15 and the limiting seat 12, and the diffraction image can be displayed in real time when the angle of the grating main body 32 is adjusted through the imaging plate 31, and then the adjustment accuracy of the grating main body 32 is ensured.

[0038] The above only describes the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A visualizing grating mounting positioning tool, characterized in that, The utility model provides a positioning assembly (101) which comprises a base (11), two limiting seats (12), a mounting seat (13), an arc-shaped slot (14), an arc-shaped sliding block (15), a spring (16), an arc-shaped limiting column (17), a push rod (18), a rotating shaft (23), an imaging plate (31) and two plug-in seats (33). One of the limiting seats (12) is rotatably connected to the upper surface of the base (11) through the rotating shaft (23), and the other limiting seat (12) is rotatably connected to the upper surface of the arc-shaped sliding block (15). The arc-shaped slot (14) is formed in the upper surface of the mounting seat (13). The arc-shaped sliding block (15) is slidably connected to the inner side wall of the arc-shaped slot (14). The arc-shaped limiting column (17) is fixedly connected to the inner side wall of the arc-shaped slot (14). The spring (16) is sleeved on the outer side wall of the arc-shaped limiting column (17). The push rod (18) is threadedly connected to the inside of the mounting seat (13). The two plug-in seats (33) are symmetrically fixedly connected to the upper surface of the base (11). The imaging plate (31) is plugged into the inside of the two plug-in seats (33).

2. A visualisation grating mounting positioning tool according to claim 1, wherein, The arc-shaped sliding block (15) is slidably connected to the outer side wall of the arc-shaped limiting column (17). The mounting seat (13) is fixedly connected to the upper surface of the base (11).

3. The visualizing grating mounting positioning tool of claim 1, wherein, One end of the spring (16) abuts against the arc-shaped sliding block (15), and the other end of the spring (16) abuts against the mounting seat (13).

4. The visualizing grating mounting positioning tool of claim 1, wherein, One end of the push rod (18) abuts against the arc-shaped sliding block (15), and the other end of the push rod (18) is fixedly connected with the angle adjusting knob (22).

5. The visualizing grating mounting positioning tool of claim 1, wherein, The inside of the limiting seat (12) is provided with the grating main body (32).

6. A visualisation grating mounting positioning tool according to claim 5, wherein, The inside of the limiting seat (12) is slidably connected with the clamping plate (19). The rear surface of the clamping plate (19) is symmetrically fixedly connected with two limiting rods (21). The outside of the limiting rod (21) is sleeved with the tension spring (20). One end of the tension spring (20) is fixedly connected with the limiting seat (12), and the other end of the tension spring (20) is fixedly connected with the rear end of the limiting rod (21).

7. A visualisation grating mounting positioning tool according to claim 6, wherein, The limiting rod (21) is slidably connected to the inside of the limiting seat (12). The front surface of the grating main body (32) is attached to the inner rear wall of the limiting seat (12). The rear surface of the grating main body (32) is attached to the front surface of the clamping plate (19).

8. A visualisation grating mounting positioning tool according to claim 7, wherein, The position of the grating main body (32) corresponds to the position of the imaging plate (31).

Images