CN216561152U

CN216561152U - Filter switching device for professional astronomical telescope

Info

Publication number: CN216561152U
Application number: CN202220129794.1U
Authority: CN
Inventors: 李青山; 李柏然
Original assignee: Zhonghuan Optoelectronics Tianjin Co ltd
Current assignee: Zhonghuan Optoelectronics Tianjin Co ltd
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-05-17
Anticipated expiration: 2032-01-18

Abstract

The utility model discloses a filter switching device for a professional astronomical telescope, which comprises a first connecting cylinder, a second connecting cylinder and a dustproof cover, wherein the front surface of the first connecting cylinder is in threaded connection with the second connecting cylinder, the bottom of the second connecting cylinder is provided with the dustproof cover, the front end inside the first connecting cylinder is provided with a connecting column, the front ends of the top and the bottom of the surface of the connecting column are provided with spring buttons, and the front ends of the top and the bottom of the inner wall of the first connecting cylinder are provided with clamping grooves. According to the utility model, through the matching use of the first connecting cylinder, the second connecting cylinder, the connecting column, the spring button, the clamping groove, the threaded groove, the cylindrical groove, the first fixed circular plate, the filter lens piece, the hollow cylindrical plate, the second fixed circular plate and the through hole, the first connecting cylinder and the second connecting cylinder can be rapidly disassembled and combined by rotating the second connecting cylinder, so that a user can conveniently and rapidly replace the filter lens piece, and the use effect of the device is further improved.

Description

Filter switching device for professional astronomical telescope

Technical Field

The utility model relates to the technical field of astronomical telescopes, in particular to a filter switching device for a professional astronomical telescope.

Background

The astronomical telescope is one of the most important observation instrument in astronomy, and the astronomical telescope is used along with filter glass collocation together usually to increase anticipated observation effect for the astronomical telescope, but current astronomical telescope is inconvenient for the user to filter the lens to its change when using, thereby leads to filtering the lens and comparatively complicated in the process of changing, and then influences the result of use of astronomical telescope.

A filter auto-change over device shortcoming for professional astronomical telescope among the prior art is not enough:

1. patent document CN203595853U discloses a filter auto-change over device, including "frame and bottom plate and the solenoid valve of connection in the frame bottom, be equipped with concave frame on the bottom plate and with the communicating light trap of concave frame, be equipped with the protruding guide rail of two parallels on concave frame, be equipped with the slide on the surface of two protruding guide rails, be equipped with the light filter of two filterable different light on the slide, one end at the slide is equipped with the straight flute, the output of solenoid valve is connected with the driving lever, the end of driving lever inserts in the straight flute and drives the slide and slide along protruding guide rail slip messenger two light filters realize switching in the light trap. The utility model provides a filter switching device with simple structure, small volume and low cost, but the device has complex actual operation in the process of replacing the filter, thereby being inconvenient for users to quickly switch the filter, and further reducing the using effect of the device.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a filter switching device for a professional astronomical telescope, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme that the filter switching device for the professional astronomical telescope comprises a first connecting cylinder, a second connecting cylinder and a dustproof cover, wherein the front surface of the first connecting cylinder is in threaded connection with the second connecting cylinder, and the bottom of the second connecting cylinder is provided with the dustproof cover;

a connecting column is arranged at the front end inside the first connecting cylinder, and spring buttons are arranged at the front ends of the top and the bottom of the surface of the connecting column;

the clamping groove is formed in the top of the inner wall of the first connecting cylinder and in the front end of the bottom of the inner wall of the first connecting cylinder, and the clamping groove is matched with the spring button in size.

Preferably, the front end of the connecting column is provided with a thread groove, the front end of the connecting column is provided with a cylindrical groove, and a first fixed circular plate is mounted on the inner wall of the cylindrical groove.

Preferably, the filter lens is arranged in the cylindrical groove, the hollow cylindrical plate is mounted at the tail end of the second connecting cylinder, and the surface of the hollow cylindrical plate is in threaded connection with the inner wall of the threaded groove.

Preferably, a second fixed circular plate is mounted on the inner wall of the second connecting cylinder, the first fixed circular plate and the second fixed circular plate are matched in size, and through holes are formed in the front faces of the first fixed circular plate and the second fixed circular plate.

Preferably, the bottom of the surface of the second connecting cylinder is in threaded connection with a first fixing seat, and a soft belt is installed at the bottom of the first fixing seat.

Preferably, the back of the dust cover is in threaded connection with a second fixed seat, and the tail end of the soft belt is mounted at the top of the second fixed seat.

Preferably, the front surface of the dust cover is provided with a connecting groove, and an adsorption layer is arranged inside the connecting groove.

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

1. according to the filter lens device, the first connecting cylinder, the second connecting cylinder, the connecting column, the spring buttons, the clamping groove, the threaded groove, the cylindrical groove, the first fixed circular plate, the filter lens, the hollow cylindrical plate, the second fixed circular plate and the through holes are matched for use, and the first connecting cylinder and the second connecting cylinder can be rapidly detached and combined by rotating the second connecting cylinder, so that a user can conveniently and rapidly replace the filter lens, and the using effect of the device is improved.

2. According to the utility model, through the matching use of the second connecting cylinder, the dustproof cover, the first fixing seat, the soft belt and the second fixing seat and the arrangement of the dustproof cover, dust is effectively prevented from being accumulated in the second connecting cylinder when the device is idle, so that the practicability of the device is further embodied.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic illustration of a three-dimensional split structure according to the present invention;

FIG. 3 is a schematic plan view of a second connector barrel of the present invention;

FIG. 4 is a schematic cross-sectional view of a first connecting cylinder according to the present invention;

fig. 5 is a schematic plan view of the dust cap of the present invention.

In the figure: 1. a first connecting cylinder; 2. a second connecting cylinder; 3. a dust cover; 4. connecting columns; 5. a spring button; 6. a card slot; 7. a thread groove; 8. a cylindrical groove; 9. a first stationary circular plate; 10. a filter lens; 11. a hollow cylindrical plate; 12. a second stationary circular plate; 13. through holes; 14. a first fixed seat; 15. a soft belt; 16. a second fixed seat; 17. connecting grooves; 18. and an adsorption layer.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The first embodiment is as follows:

referring to fig. 1, 2, 3 and 4, an embodiment of the utility model provides a filter switching device for a professional astronomical telescope, which comprises a first connecting cylinder 1, a second connecting cylinder 2 and a dust cap 3, wherein the front surface of the first connecting cylinder 1 is in threaded connection with the second connecting cylinder 2, the bottom of the second connecting cylinder 2 is provided with the dust cap 3, the front end inside the first connecting cylinder 1 is provided with a connecting column 4, the front ends of the top and the bottom of the surface of the connecting column 4 are both provided with a spring button 5, the front ends of the top and the bottom of the inner wall of the first connecting cylinder 1 are both provided with a clamping groove 6, the clamping groove 6 is matched with the spring button 5 in size, the front end of the connecting column 4 is provided with a threaded groove 7, the front end of the connecting column 4 is provided with a cylindrical groove 8, the inner wall of the cylindrical groove 8 is provided with a first fixed circular plate 9, the inside of the cylindrical groove 8 is provided with a filter lens 10, the tail end of the second connecting cylinder 2 is provided with a hollow cylindrical plate 11, the surface of the hollow cylindrical plate 11 is connected with the inner wall of the thread groove 7 by screw thread, the inner wall of the second connecting cylinder 2 is provided with a second fixed circular plate 12, the sizes of the first fixed circular plate 9 and the second fixed circular plate 12 are matched, the front surfaces of the first fixed circular plate 9 and the second fixed circular plate 12 are both provided with through holes 13,

through first connecting cylinder 1, second connecting cylinder 2, spliced pole 4, spring button 5, draw-in groove 6, thread groove 7, cylinder groove 8, first fixed plectane 9, filter lens piece 10, hollow cylinder board 11, the collocation use of the fixed plectane 12 of second and thru hole 13, through rotating second connecting cylinder 2, can be quick carry out split and combination with first connecting cylinder 1 and second connecting cylinder 2, thereby can the convenient to use person carry out quick change to filter lens piece 10, and then improved the device's result of use

Example two:

referring to fig. 1 and 5, an embodiment of the present invention provides a filter switching device for a professional astronomical telescope, including a second connecting cylinder 2, a dust cap 3, a first fixing seat 14, a soft belt 15, a second fixing seat 16, a connecting groove 17 and an adsorption layer 18, wherein the bottom of the surface of the second connecting cylinder 2 is connected with the first fixing seat 14 by a screw thread, the bottom of the first fixing seat 14 is provided with the soft belt 15, the back of the dust cap 3 is connected with the second fixing seat 16 by a screw thread, the tail end of the soft belt 15 is installed at the top of the second fixing seat 16, the front of the dust cap 3 is provided with the connecting groove 17, the adsorption layer 18 is arranged inside the connecting groove 17,

through the second connecting cylinder 2, the shield 3, first fixing base 14, the collocation use of soft area 15 and second fixing base 16, through setting up the shield 3, thereby effectual the device of avoiding has the dust in the second connecting cylinder 2 when idle, and then embodied the device's practicality, the collocation use of spread groove 17 and adsorbed layer 18, the surface of floatable dust absorption in the 2 inside air of second connecting cylinder is on self in accessible adsorbed layer 18, thereby effectually avoid the dust to fall into on filtering lens piece 10, and then improved the device and filtered lens piece 10's definition when using

In the utility model, the working steps of the device are as follows:

through the arrangement of the first connecting cylinder 1, the second connecting cylinder 2, the connecting column 4, the spring button 5, the clamping groove 6, the thread groove 7, the cylindrical groove 8, the first fixed circular plate 9, the filter lens 10, the hollow cylindrical plate 11, the second fixed circular plate 12 and the through hole 13, through arranging the connecting column 4 in the first connecting cylinder 1, fixing the connecting column together through the spring button 5 and the clamping groove 6, arranging the cylindrical groove 8 in the connecting column 4, installing the first fixed circular plate 9 in the cylindrical groove 8, putting the filter lens 10 into the cylindrical groove 8, through rotating the hollow cylindrical plate 11 on the second connecting cylinder 2, the hollow cylindrical plate 11 is in threaded connection with the thread groove 7 at the front end of the connecting column 4, thereby fixing the positions of the first connecting cylinder 1 and the second connecting cylinder 2, and then through the second fixed circular plate 12 in the second connecting cylinder 2, the filter lens 10 is fixed between the first fixed circular plate 9 and the second fixed circular plate 12, through holes 13 are arranged on two sides of a first fixed circular plate 9 and a second fixed circular plate 12, the first connecting cylinder 1, the second connecting cylinder 2, a connecting column 4, a spring button 5, a clamping groove 6, a thread groove 7, a cylindrical groove 8, the first fixed circular plate 9, a filter lens 10, a hollow cylindrical plate 11, the second fixed circular plate 12 and the through holes 13 are matched for use, the first connecting cylinder 1 and the second connecting cylinder 2 can be rapidly disassembled and combined by rotating the second connecting cylinder 2, so that a user can conveniently and rapidly replace the filter lens 10, the using effect of the device is improved, through the arrangement of the second connecting cylinder 2, the dust cover 3, the first fixed seat 14, the soft belt 15, the second fixed seat 16, the connecting groove 17 and the adsorption layer 18, through the use of the first fixed seat 14, the second fixed seat 16 and the soft belt 15, the dust cover 3 and the second connecting cylinder 2 can be connected together in a matching manner, the person of facilitating the use carries shield 3, through second connecting cylinder 2, shield 3, first fixing base 14, the collocation use of soft area 15 and second fixing base 16, through setting up shield 3, thereby effectual the device of avoiding has amassed the dust in second connecting cylinder 2 when idle, and then embodied the device's practicality, spread groove 17 is seted up on shield 3's surface, set up adsorbent layer 18 in spread groove 17's inside, spread groove 17 and adsorbent layer 18's collocation use, floatable dust adsorbs in 2 inside air of second connecting cylinder on self surface through adsorbent layer 18, thereby effectual dust of avoiding falls into on filtering lens piece 10, and then improved the device and filtered lens piece 10's definition when using.

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 invention may be embodied in other specific forms without departing from the spirit or essential attributes 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

1. The utility model provides a filter auto-change over device for professional astronomical telescope, includes first connecting cylinder (1), second connecting cylinder (2) and shield (3), its characterized in that: the front face of the first connecting cylinder (1) is in threaded connection with a second connecting cylinder (2), and the bottom of the second connecting cylinder (2) is provided with a dustproof cover (3);

a connecting column (4) is arranged at the front end inside the first connecting cylinder (1), and spring buttons (5) are arranged at the front ends of the top and the bottom of the surface of the connecting column (4);

the clamping groove (6) is formed in the top of the inner wall of the first connecting cylinder (1) and at the front end of the bottom of the first connecting cylinder, and the clamping groove (6) is matched with the spring button (5) in size.

2. The filter switching device for a specialized astronomical telescope of claim 1, wherein: the front end of the connecting column (4) is provided with a thread groove (7), the front end of the connecting column (4) is provided with a cylindrical groove (8), and a first fixed circular plate (9) is installed on the inner wall of the cylindrical groove (8).

3. A filter switching device for a specialized astronomical telescope according to claim 2, wherein: the filter lens (10) is arranged in the cylindrical groove (8), the hollow cylindrical plate (11) is installed at the tail end of the second connecting cylinder (2), and the surface of the hollow cylindrical plate (11) is in threaded connection with the inner wall of the threaded groove (7).

4. The filter switching device for a specialized astronomical telescope of claim 1, wherein: and a second fixed circular plate (12) is arranged on the inner wall of the second connecting cylinder (2), the first fixed circular plate (9) is matched with the second fixed circular plate (12) in size, and through holes (13) are formed in the front surfaces of the first fixed circular plate (9) and the second fixed circular plate (12).

5. The filter switching device for a specialized astronomical telescope of claim 1, wherein: the bottom threaded connection on second connecting cylinder (2) surface has first fixing base (14), soft area (15) are installed to the bottom of first fixing base (14).

6. The filter switching device for a specialized astronomical telescope of claim 1, wherein: the back of the dustproof cover (3) is in threaded connection with a second fixed seat (16), and the tail end of the soft belt (15) is installed at the top of the second fixed seat (16).

7. The filter switching device for a specialized astronomical telescope of claim 1, wherein: the front of shield (3) has seted up spread groove (17), the inside of spread groove (17) is provided with adsorbed layer (18).