CN215526227U

CN215526227U - High-precision multifunctional astronomical telescope

Info

Publication number: CN215526227U
Application number: CN202122306426.8U
Authority: CN
Inventors: 孙玉峰; 张进; 霍凤霞
Original assignee: Nantong Schmidt Opto Electrical Technology Co ltd
Current assignee: Nantong Schmidt Opto Electrical Technology Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-01-14
Anticipated expiration: 2031-09-23

Abstract

The utility model discloses a high-precision multifunctional astronomical telescope which comprises a lens cone, a light through tube, a focusing assembly, a connecting joint, an objective lens assembly and a lens hood assembly. The light-passing tube is arranged at one end of the lens cone, the focusing assembly is sleeved on the light-passing tube and fixedly connected with the lens cone, and the light-passing tube can move axially along the lens cone under the action of the focusing assembly; the connecting joint is arranged on the light through pipe; the objective lens component is arranged at the other end of the lens cone and extends into the lens cone cavity of the lens cone; the lens hood assembly is arranged at one end of the lens barrel, which is provided with the objective lens assembly. The high-precision multifunctional astronomical telescope provided by the utility model can eliminate stray light as far as possible on the premise of not blocking light by arranging the extinction part (diaphragm) and the telescopic light shield on the inner wall of the light-passing pipe.

Description

High-precision multifunctional astronomical telescope

Technical Field

The utility model relates to the technical field of astronomical observation equipment, in particular to a high-precision multifunctional astronomical telescope.

Background

In the traditional astronomical telescope design, the light transmission tube is not provided with a diaphragm, or 1 to 2 diaphragms are additionally pressed in, but the external diaphragm pressing in size has deviation, so that the extinction effect is poor easily, and one light transmission tube cannot be pressed into a plurality of diaphragms for extinction.

The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-precision multifunctional astronomical telescope, which is characterized in that a light extinction part (a light barrier) is arranged on the inner wall of a light transmission pipe, so that stray light is eliminated as far as possible on the premise of not shading light; and the light-transmitting tube can be designed with any number of extinction parts (diaphragms) according to the requirements of light paths.

In order to achieve the purpose, the utility model provides a high-precision multifunctional astronomical telescope which comprises a lens cone, a light transmitting tube, a focusing assembly, an objective lens assembly and a light shield assembly.

The light-transmitting tube is arranged at one end of the lens barrel.

The focusing assembly is sleeved on the light-passing tube and fixedly connected with the lens barrel, and the light-passing tube can move axially along the lens barrel under the action of the focusing assembly.

The objective lens assembly is arranged at the other end of the lens barrel and extends into the barrel cavity of the lens barrel. And

the lens hood assembly is arranged at one end of the lens barrel, which is provided with the objective lens assembly.

In one or more embodiments, a plurality of annular extinction portions protruding are arranged on the inner wall of the tube body of the light-passing tube at intervals along the axial direction of the tube body.

In one or more embodiments, the extinction portion has a taper in a radial direction of the light passing pipe.

In one or more embodiments, the light passing tube has a light outlet, and each of the extinction portions has an extinction surface facing the light outlet and a tapered surface inclined from the extinction surface toward the inner wall of the tube body in a direction away from the light outlet.

In one or more embodiments, the inner diameters of the plurality of extinction portions increase in order in a direction away from the light exit port.

In one or more embodiments, the distance between adjacent extinction portions decreases in a direction away from the light exit opening.

In one or more embodiments, the extinction portion is integrally formed with the light-passing tube.

In one or more embodiments, the light shield assembly includes a first light shield and a second light shield that are nested, with a telescoping connection between the first light shield and the second light shield.

In one or more embodiments, a first ferrule for limiting is sleeved on an end of the first light shield far away from the second light shield, and a second ferrule for limiting is sleeved on an end of the second light shield far away from the first light shield.

In one or more embodiments, a connection joint is arranged at one end of the light passing tube, which is far away from the lens barrel, the connection joint is embedded on the light passing tube, and the connection joint comprises a steering ring and a connection seat, which can be adjustably installed.

In one or more embodiments, the light guide tube is provided with a plurality of threaded holes along a circumferential direction thereof, at least one of the threaded holes is provided with a locking screw, and the threaded holes are provided with elastic screws.

In one or more embodiments, a groove is concavely formed on the steering ring along the circumferential direction of the steering ring, and when the steering ring is arranged in the light pipe, the elastic screw abuts against the groove, so that the axial positioning of the steering ring is realized.

In one or more embodiments, a plurality of adjusting screws and set screws are arranged between the connecting seat and the steering ring, and the connecting seat realizes inclination adjustment between the connecting seat and the steering ring by adjusting the adjusting screws and the set screws.

In one or more embodiments, the connecting seat is detachably provided with an equipment connector, and the equipment connector can be connected with 1.25 inch, 2 inch corner mirror, eyepiece, CCD, camera or OAG equipment.

In one or more embodiments, the focusing assembly includes a focusing seat, a rack, a worm, and a hand wheel, the focusing seat is sleeved on the light passing tube and is fixedly connected with the lens barrel, the rack is fixedly mounted on the light passing tube through a screw, the worm is engaged above the rack, the worm is rotatably disposed on the focusing seat, and the hand wheel is disposed on the worm.

In the technical scheme, the worm rotates to drive the light-transmitting tube to move relative to the lens barrel so as to adjust the distance between the objective lens assembly and the ocular lens at the two ends of the light-transmitting tube.

In one or more embodiments, the objective lens assembly includes an objective lens frame and a plurality of lenses sequentially disposed within the objective lens frame along an optical path direction.

Compared with the prior art, the extinction part (diaphragm) in the inner wall of the light passing pipe of the high-precision multifunctional astronomical telescope is designed to have a certain taper, stray light is eliminated as far as possible on the premise of not blocking light, and meanwhile, any number of extinction parts (diaphragms) can be designed according to the requirement of a light path.

According to the high-precision multifunctional astronomical telescope, the lens cone lens hood is telescopic, the first lens hood and the second lens hood are telescopic, and the first sleeve ring and the second sleeve ring are limited, so that the whole lens cone is small in size and is more beneficial to packaging.

According to the high-precision multifunctional astronomical telescope, a plurality of elastic screws and a locking screw are arranged between the steering ring and the light transmitting tube, and the elastic screws are pressed against the groove wall of the steering ring, so that the axial positioning between the steering ring and the light transmitting tube is realized; the radial positioning between the steering ring and the light-transmitting tube is realized by the locking screw which is pressed against the groove wall of the steering ring. When the steering ring needs to be rotated, the locking screw is loosened, and the elastic screw has elasticity, so that the steering ring can be easily rotated to a required position, and then the locking screw is locked. The high-precision multifunctional astronomical telescope can realize simple reversing only by simple operation.

The high-precision multifunctional astronomical telescope disclosed by the utility model can meet the concentric precision of the mechanical optical axis and the optical axis as far as possible by adjusting the mechanical optical axis and the optical axis of the objective lens assembly and adjusting the radial rotation and the inclination of the connecting joint.

Drawings

Fig. 1 is a perspective view of a high-precision multifunctional astronomical telescope according to an embodiment of the present invention.

Fig. 2 is a sectional view of the high-precision multifunctional astronomical telescope according to the embodiment of the present invention.

Fig. 3 is an enlarged view of a portion a in fig. 4.

Fig. 4 is an enlarged view of a portion B of fig. 4.

Fig. 5 is a perspective view of a light transmitting pipe according to an embodiment of the present invention.

Fig. 6 is a cross-sectional view of a light-passing tube according to an embodiment of the present invention.

FIG. 7 is a sectional view of the connection part of the light pipe and the turning ring in the high-precision multifunctional astronomical telescope according to the embodiment of the present invention.

Fig. 8 is a schematic structural view of a steering ring in the high-precision multifunctional astronomical telescope according to the embodiment of the present invention.

Fig. 9 is a sectional view of a steering ring in the high-precision multifunctional astronomical telescope according to the embodiment of the present invention.

Fig. 10 is a schematic structural diagram of a light shield assembly in the high-precision multifunctional astronomical telescope according to the embodiment of the present invention.

Detailed Description

The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.

Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.

As shown in fig. 1 to 2, an embodiment of the present invention provides a high-precision multifunctional astronomical telescope, which comprises a light passing tube 10, a lens barrel 20, a focusing assembly 30, an objective lens assembly 40, a light shield assembly 50, a steering ring 60 and a connecting seat 70. The light-passing tube 10 is disposed at one end of the lens barrel 20. The focusing assembly 30 is sleeved on the light passing tube 10 and is fixedly connected with the lens barrel 20, and the light passing tube 10 can move along the axial direction of the lens barrel 20 under the action of the focusing assembly 30. The objective lens assembly 40 is disposed at the other end of the lens barrel 20 and extends into the barrel cavity of the lens barrel 20. The lens hood assembly 50 is disposed at an end of the lens barrel 20 where the objective lens assembly 40 is disposed. The steering ring 60 is rotatably disposed at an end of the light pipe 10 away from the lens barrel 20, and the connecting seat 70 is adjustably connected to the steering ring 60.

As shown in fig. 5 to 6, a plurality of annular light-extinction portions 11 are provided on the inner wall of the tube body of the light-passing tube 10 at intervals in the axial direction thereof. The extinction portion 11 is integrally formed with the light transmitting tube 10.

The extinction portion 11 has a certain taper in the radial direction of the light passing tube 10. The light passing tube 10 has a light outlet 12, and each of the extinction parts 11 has an extinction surface 111 facing the light outlet 12 and a tapered surface 112 inclined from the extinction surface 111 toward the inner wall of the tube in a direction away from the light outlet 12. The inner diameters of the plurality of extinction parts 11 are sequentially increased along the direction far away from the light outlet 12; the distance between the adjacent extinction portions 11 decreases in order in the direction away from the light exit 12.

As shown in fig. 3, 5 and 7, a plurality of threaded holes 13 are uniformly formed along the circumference of one end of the light-passing tube 10 away from the lens barrel 20. One of the threaded holes 13 is threaded with a locking screw 131, which is threaded with the threaded hole 13 with a resilient screw 132. The turning ring 60 is partially embedded in the light pipe 10 and is rotatably connected with the light pipe 10.

As shown in fig. 8 and 9, the deflector ring 60 is recessed with a groove 61 along its circumferential direction. When the turning ring 60 is arranged in the light-passing pipe 10, the turning ring 60 is abutted against the groove 61 through the elastic screw 132, so that the axial positioning of the turning ring 60 on the light-passing pipe 10 is realized; the radial positioning of the deflector ring 60 on the light pipe 10 is achieved by the locking screw 131 abutting in the groove 61. In order to make the axial positioning between the turning ring 60 and the light pipe 10 more stable, the groove width of the groove 61 should be satisfied, when the elastic screw 132 abuts against the bottom wall of the groove 61, the elastic screw 132 also abuts against the side walls on both sides of the groove 61. The steering ring 60 is also marked with graduation lines 62 along the circumference.

The end face of the steering ring 60 is provided with 3 but not limited to 3 evenly distributed threaded connection holes in the circumferential direction, and the steering ring 60 is provided with a connection seat 70, as shown in fig. 3, the connection seat 70 is used for installing an eyepiece joint or other joints or equipment. Equally be equipped with 3 but not only be limited to the screw connecting hole of 3 equipartitions and 3 but not only be limited to the tight set screw hole of 3 equipartitions on connecting seat 70, when the joint of dress on connecting seat 70 or equipment have the deviation, adjust 3 adjusting screw and 3 set screw for equipment or joint installed reach required installation requirement.

Demountable installation has equipment connector structure on connecting seat 70 to make this multi-functional astronomical telescope of high accuracy can connect multiple accessory, if, when needing to observe full picture image height, mountable 2 inches eyepiece connects, can choose for use 2 inches corner mirror and eyepiece afterwards. The conversion equipment connector structure can be provided with a 1.25-inch eyepiece connector and is used for installing a 1.25-inch corner lens and an eyepiece or CCD (charge coupled device) equipment. Or the conversion equipment connector structure is used for installing the OAG equipment connector and is used for installing the OAG equipment. Or the conversion equipment connector structure is provided with a camera connector and used for carrying a camera for use.

As shown in fig. 1, 2 and 4, the focusing assembly 30 includes a focus mount 31, a rack 32, a worm 33 and a handwheel 34. The focusing base 31 is sleeved on the light-passing tube 10 and is fixedly connected with the lens barrel 20. The rack 32 is fixedly installed on the wall surface of the light-passing pipe 10 by a screw, and a worm 33 is engaged above the rack 32. The worm 33 is rotatably arranged on the focusing seat 31, and a hand wheel 34 for controlling the rotation of the worm 33 is arranged on the worm 33. The rotation of the worm 33 can drive the light-passing tube 10 to move relative to the lens barrel 20, so as to adjust the distance between the objective lens assembly 40 and the ocular lens (not shown) at the two ends of the light-passing tube 10.

As shown in fig. 2, the objective lens assembly 40 includes an objective lens frame 41 and a plurality of lenses 42 sequentially arranged in the objective lens frame 41 in the optical path direction.

As shown in fig. 10, the light shield assembly 50 includes a first light shield 51 and a second light shield 52 which are nested, and the first light shield 51 is telescopically connected with the second light shield 52. One end of the first light shield 51 far from the second light shield 52 is sleeved with a first collar 53 for limiting, and one end of the second light shield 52 far from the first light shield 51 is sleeved with a second collar 54 for limiting.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the utility model to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the utility model and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the utility model and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the utility model be defined by the claims and their equivalents.

Claims

1. A high-precision multifunctional astronomical telescope, comprising:

a lens barrel;

the light passing tube is arranged at one end of the lens barrel, and a plurality of protruding annular extinction parts are arranged on the inner wall of the tube body of the light passing tube at intervals along the axial direction of the tube body;

the focusing assembly is sleeved on the light passing tube and fixedly connected with the lens barrel, and the light passing tube can move axially along the lens barrel under the action of the focusing assembly;

the objective lens component is arranged at the other end of the lens barrel and extends into the barrel cavity of the lens barrel; and

and the lens hood assembly is arranged at one end of the lens barrel, which is provided with the objective lens assembly.

2. The high-precision multifunctional astronomical telescope according to claim 1, wherein said extinction portion has a taper in a radial direction of said light passing pipe.

3. The high-precision multifunctional astronomical telescope according to claim 2, wherein said light passing tube has a light exit, and each of said extinction portions has an extinction surface facing said light exit and a tapered surface inclined from said extinction surface toward said inner wall of said tube in a direction away from said light exit.

4. The high-precision multifunctional astronomical telescope according to claim 3, wherein the inner diameters of the plurality of extinction parts increase in the order in the direction away from the light exit; and/or

The distance between the adjacent extinction parts is sequentially reduced along the direction far away from the light outlet.

5. The high-precision multifunctional astronomical telescope of claim 1, wherein said light shield assembly comprises a first light shield and a second light shield which are nested, and said first light shield and said second light shield are telescopically connected.

6. The high-precision multifunctional astronomical telescope of claim 1, wherein the end of the light passing tube away from the lens cone is provided with a connecting joint, the connecting joint is embedded on the light passing tube, and the connecting joint comprises a steering ring and a connecting seat which can be installed and arranged in an adjustable manner.

7. The high-precision multifunctional astronomical telescope of claim 6, wherein the light guide tube is provided with a plurality of threaded holes along the circumferential direction, at least one of the threaded holes is provided with a locking screw, and elastic screws are arranged in the rest of the threaded holes.

8. The high-precision multifunctional astronomical telescope of claim 7, wherein the steering ring is provided with a groove and scales along the circumferential direction, when the steering ring is arranged in the light pipe, the elastic screw and the locking screw are abutted against the groove to realize the axial positioning of the steering ring, and when the locking screw is loosened, the circumferential direction rotation of the steering ring is realized.

9. The high-precision multifunctional astronomical telescope of claim 8, wherein a plurality of adjusting screws and set screws are arranged between the connecting base and the steering ring, and the connecting base is used for realizing inclination adjustment between the connecting base and the steering ring by adjusting the adjusting screws and the set screws.

10. The high-precision multifunctional astronomical telescope of claim 6, wherein said attachment base is detachably provided with an equipment attachment head, said equipment attachment head being connectable to equipment including 1.25 inch, 2 inch corner lens, eyepiece, CCD, camera or OAG equipment.