CN221100042U - Polarization prism optical correction device - Google Patents

Abstract

The utility model discloses a polarization prism optical correction device which comprises a mounting pipe and a rotary table, wherein a round opening is formed in one end of the mounting pipe, a first bearing is arranged in the middle of one end, far away from the round opening, of the mounting pipe, a rotary rod is arranged in the first bearing, the rotary rod penetrates through the mounting pipe, a first bevel gear is arranged at one end, far away from the round opening, of the rotary rod, fixing slots are uniformly formed in the inner side of the mounting pipe, and a bottom plate is arranged at the top of one end, far away from the round opening, of the mounting pipe. The utility model is provided with the rotating rod, the first bearing, the first bevel gear, the turntable, the rotating shaft, the second bevel gear and the second bearing, when in use, the rotating rod is rotated, so that the rotating rod drives the second bevel gear to rotate through the first bevel gear, the turntable can be driven to rotate, a prism arranged on the turntable can be regulated, the prism can rotate around a normal line, and the deflection angle of the prism can be regulated, thereby the optical correction process can be carried out, and the device can be suitable for optical instruments such as telescopes and the like.

Description

Polarization prism optical correction device

Technical Field

The utility model relates to the technical field of telescope equipment, in particular to a polarization prism optical correction device.

Background

A telescope is an optical instrument that uses lenses or mirrors and other optics to view remote objects by refracting or reflecting light through the lens into a small aperture and converging the light into an image, which is then seen through a magnifying eyepiece.

Telescope often adopts heavy-calibre standard plane mirror as the reference, and with optical system optical axis and standard plane mirror normal demarcation for parallelism, in the optical correction in-process, improves the parallelism of optical system optical axis benchmark and standard plane mirror normal, improves the repetition accuracy that both register, is the problem that optical correction field needs to solve, consequently, the utility model provides a polarizing prism optical correction device is used for solving above-mentioned problem.

Disclosure of utility model

The present utility model is directed to a polarization prism optical correction device, which solves the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a polarizing prism optical correction device, includes mounting tube and carousel, the one end of mounting tube is provided with the round mouth, and the intermediate position department that the round mouth one end was kept away from to the inside first bearing of mounting tube, the internally mounted of first bearing has the bull stick, the bull stick passes the mounting tube, and the bull stick is kept away from the one end of round mouth and install first helical gear, the inboard of mounting tube evenly is provided with fixed slot, and the mounting tube is kept away from the top of round mouth one end and install the bottom plate, the second bearing is installed at the top of bottom plate, the internally mounted of bottom plate has the pivot, and the carousel is installed at the top of pivot, the second splint is installed to the one end that the mounting tube was kept away from at the carousel top, and the intermediate position department at carousel top installs the connecting plate.

Preferably, a second bevel gear meshed with the first bevel gear is arranged on the outer side of the rotating shaft.

Preferably, the fixed plate is installed at the top of bull stick, and the one end that the fixed plate kept away from first helical gear is installed first slip subassembly, the one end slidable mounting that the fixed plate was kept away from to first slip subassembly has the clamp plate, and fixed insert is installed at the top of clamp plate.

Preferably, the bottom of clamp plate is installed flexible spring, and the one end that flexible spring kept away from the clamp plate is connected with the bull stick.

Preferably, the second sliding component is installed to the one end that is close to the installation tube at carousel top, and the top slidable mounting of second sliding component has first splint, fixed spring is installed to the one end that is close to the second splint of first splint, and fixed spring keeps away from the one end of first splint and be connected with the connecting plate.

Preferably, the fixed slots are provided with eighteen groups, and the included angle between the adjacent fixed slots is twenty degrees.

Preferably, a swivel is mounted at one end of the rotating rod away from the first bevel gear.

Compared with the prior art, the utility model has the beneficial effects that:

1. The polarizing prism optical correction device is provided with a rotating rod, a first bearing, a first bevel gear, a rotating disc, a rotating shaft, a second bevel gear and a second bearing, when the device is used, the rotating rod is rotated, the rotating rod drives the second bevel gear to rotate through the first bevel gear, the rotating disc can be driven to rotate, a prism arranged on the rotating disc can be adjusted, the prism can rotate around a normal line, and the deflection angle of the prism can be adjusted, so that the optical correction process can be carried out, and the device can be suitable for optical instruments such as telescopes;

2. The polarization prism optical correction device is provided with the pressing plate, the fixed inserting block, the telescopic spring and the first sliding component, after the adjustment is finished, the elastic action of the telescopic spring enables the pressing plate to be pushed by the telescopic spring, the fixed inserting block can be clamped into the fixed slot, the rotating rod can be fixed, the rotating disc can be prevented from continuously rotating in the using process, and the stability of the device is improved;

3. this polarizing prism optical correcting device installs second slip subassembly, first splint, fixed spring, connecting plate and second splint, and fixed spring's elastic action makes its pulling first splint for first splint closely laminate with the prism, can grasp the prism through first splint and second splint, can be used to install the prism of different thickness, and the suitability of device is stronger.

Drawings

FIG. 1 is a schematic view in front cross-section of the present utility model;

FIG. 2 is a schematic front view of the present utility model;

Fig. 3 is a schematic side cross-sectional view of the mounting tube of the present utility model.

In the figure: 1. installing a pipe; 2. a round opening; 3. a rotating rod; 4. a pressing plate; 5. fixing the insert block; 6. a telescopic spring; 7. a first slide assembly; 8. a fixing plate; 9. a second slide assembly; 10. a first clamping plate; 11. a fixed spring; 12. a connecting plate; 13. a second clamping plate; 14. a fixed slot; 15. a first bearing; 16. a first helical gear; 17. a bottom plate; 18. a turntable; 19. a rotating shaft; 20. a second helical gear; 21. and a second bearing.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, an embodiment of the present utility model is provided: the utility model provides a polarizing prism optical calibration device, including installation tube 1 and carousel 18, the one end of installation tube 1 is provided with round mouth 2, and the intermediate position department that round mouth 2 one end was kept away from to installation tube 1 inside installs first bearing 15, the internally mounted of first bearing 15 has bull stick 3, bull stick 3 passes installation tube 1, and the bull stick 3 is kept away from the one end of round mouth 2 and is installed first helical gear 16, the inboard of installation tube 1 evenly is provided with fixed slot 14, and installation tube 1 is kept away from the top of round mouth 2 one end and is installed bottom plate 17, the second bearing 21 is installed at the top of bottom plate 17, the internally mounted of bottom plate 17 has pivot 19, and carousel 18 is installed at the top of pivot 19, second splint 13 are installed to the one end that installation tube 1 was kept away from at carousel 18 top, and connecting plate 12 is installed at the intermediate position department at carousel 18 top.

In this embodiment:

Further, a second bevel gear 20 meshed with the first bevel gear 16 is installed on the outer side of the rotating shaft 19, the rotating rod 3 drives the second bevel gear 20 to rotate through the first bevel gear 16, and then the rotating disc 18 can be driven to rotate, and a prism installed on the rotating disc 18 can be adjusted.

Further, fixed plate 8 is installed at the top of bull stick 3, and fixed plate 8 keeps away from the one end of first helical gear 16 and install first slip subassembly 7, and the one end slidable mounting that fixed plate 8 was kept away from to first slip subassembly 7 has clamp plate 4, and fixed inserted block 5 is installed at the top of clamp plate 4, and inside fixed slot 14 is gone into to fixed inserted block 5 card, can fix bull stick 3, can prevent carousel 18 in the use and continue to rotate, is favorable to improving the stability of device.

Further, the bottom of clamp plate 4 installs extension spring 6, and the one end that extension spring 6 kept away from clamp plate 4 is connected with bull stick 3, and the elastic action of extension spring 6 makes it promote clamp plate 4, can be with fixed inserted block 5 card into inside the fixed slot 14.

Further, the second slip subassembly 9 is installed near the one end of installation tube 1 at carousel 18 top, and the top slidable mounting of second slip subassembly 9 has first splint 10, fixed spring 11 is installed near the one end of second splint 13 to first splint 10, and fixed spring 11 keeps away from the one end of first splint 10 and is connected with connecting plate 12, the elastic action of fixed spring 11 makes it stimulate first splint 10 for first splint 10 closely laminates with the prism, can grasp the prism through first splint 10 and second splint 13, can be used to install the prism of different thickness, the suitability of device is stronger.

Further, the fixed slots 14 are provided with eighteen groups, and the included angle between the adjacent fixed slots 14 is twenty degrees.

Further, the swivel is installed to the one end that the bull stick 3 kept away from first helical gear 16, and the staff of being convenient for rotates bull stick 3.

Working principle:

When optical correction of optical instruments such as telescope is carried out, the bottom of the prism used for optical correction can be placed between the first clamping plate 10 and the second clamping plate 13, at this time, the elastic action of the fixed spring 11 enables the first clamping plate 10 to be pulled to move, the first clamping plate 10 can be tightly attached to the prism, and the prism can be firmly clamped through the first clamping plate 10 and the second clamping plate 13;

The staff can press the pressing plate 4, so that the pressing plate 4 compresses the telescopic spring 6, the pressing plate 4 drives the fixed plug 5 to move together, the fixed plug 5 can be taken out from the fixed slot 14, and the limit of the fixed plug 5 to the rotating rod 3 and the pressing plate 4 can be relieved, so that the rotating rod 3 and the pressing plate 4 can rotate;

Then, a worker can rotate the rotating rod 3, the rotating rod 3 drives the second bevel gear 20 to rotate through the first bevel gear 16, the second bevel gear 20 drives the turntable 18 to rotate through the rotating shaft 19, a prism arranged on the turntable 18 can be adjusted, the prism rotates around a normal line, and the deflection angle of the prism is adjusted, so that an optical correction process can be carried out, and the device can be suitable for optical instruments such as a telescope;

After the adjustment is finished, the staff releases the pressing plate 4, at the moment, the elastic action of the telescopic spring 6 enables the pressing plate 4 to be pushed to move and reset, the pressing plate 4 drives the fixed plug 5 to move together, the fixed plug 5 can be clamped into the corresponding fixed slot 14 on the installation tube 1, the rotating rod 3 and the pressing plate 4 are limited through the fixed plug 5, the rotating rod 3 can be fixed, the rotating disc 18 can be prevented from continuing to rotate in the using process, and the stability of the device is improved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The utility model provides a polarizing prism optical correction device, includes installation pipe (1) and carousel (18), its characterized in that: the one end of installation pipe (1) is provided with circle mouth (2), and installs pipe (1) inside intermediate position department of keeping away from circle mouth (2) one end and install first bearing (15), the internally mounted of first bearing (15) has bull stick (3), bull stick (3) pass installation pipe (1), and bull stick (3) keep away from the one end of circle mouth (2) and install first helical gear (16), the inboard of installation pipe (1) evenly is provided with fixed slot (14), and installs pipe (1) and keep away from the top of circle mouth (2) one end and install bottom plate (17), second bearing (21) are installed at the top of bottom plate (17), pivot (19) are installed at the internally mounted of bottom plate (17), and carousel (18) are installed at the top of pivot (19), second splint (13) are installed to the one end of keeping away from installation pipe (1) at carousel (18) top, and connecting plate (12) are installed at the intermediate position department at carousel (18) top.

2. A polarization prism light correction device according to claim 1, characterized in that: a second bevel gear (20) meshed with the first bevel gear (16) is arranged on the outer side of the rotating shaft (19).

3. A polarization prism light correction device according to claim 1, characterized in that: the top of bull stick (3) is installed fixed plate (8), and fixed plate (8) are kept away from one end of first helical gear (16) and are installed first slip subassembly (7), one end slidable mounting that fixed plate (8) was kept away from to first slip subassembly (7) has clamp plate (4), and fixed insert (5) are installed at the top of clamp plate (4).

4. A polarization prism light correction device according to claim 3, characterized in that: the bottom of clamp plate (4) is installed flexible spring (6), and the one end that flexible spring (6) kept away from clamp plate (4) is connected with bull stick (3).

5. A polarization prism light correction device according to claim 1, characterized in that: the second sliding component (9) is installed to one end that carousel (18) top is close to installation pipe (1), and the top slidable mounting of second sliding component (9) has first splint (10), fixed spring (11) are installed to one end that first splint (10) is close to second splint (13), and fixed spring (11) keep away from one end and connecting plate (12) of first splint (10) are connected.

6. A polarization prism light correction device according to claim 1, characterized in that: eighteen groups of fixing slots (14) are arranged, and the included angle between every two adjacent fixing slots (14) is twenty degrees.

7. A polarization prism light correction device according to claim 1, characterized in that: the rotating ring is arranged at one end of the rotating rod (3) far away from the first bevel gear (16).