CN-224216947-U - Reflection type astronomical telescope

Abstract

The utility model discloses a reflective astronomical telescope, which relates to the technical field of astronomical telescopes and comprises a lens barrel, wherein the lens barrel comprises a main lens holder, a movable frame is coaxially arranged at the inner side of the lens barrel and is provided with a main lens, a plurality of elastic rings are arranged on the inner wall of the movable frame, a plurality of first adjusting screws are threaded on the main lens holder, one end of each first adjusting screw is connected with a corresponding elastic ring, the angle of the movable frame is independently adjusted through four first adjusting screws arranged on the main lens holder, the direction of the main lens is accurately adjusted, the angles of auxiliary lens seats are independently adjusted through three second adjusting screws of the auxiliary lens holder, the directions of the auxiliary lens are accurately adjusted through cooperation of the three adjusting screws, the main lens and the auxiliary lens are accurately aligned, the optical axes of the main lens and the auxiliary lens are convenient and clear to image, an operation mode is simple and convenient, and the observation effect can be effectively improved.

Inventors

• Hao Yuansan

Assignees

• 平塘脉冲星旅行有限公司

Dates

Publication Date

20260508

Application Date

20250718

Claims (6)

1. 1. A reflective astronomical telescope, comprising: a lens barrel, comprising: The main lens holder is arranged at one end of the lens cone, the inner side of the main lens holder is coaxially provided with a movable frame, the movable frame is provided with a main lens, the inner wall of the movable frame is provided with an elastic ring, a plurality of first adjusting screws are threaded on the main lens holder, one end of each first adjusting screw is connected with the elastic ring, and each first adjusting screw can be independently screwed in or out and is used for adjusting the angle of the movable frame so as to adjust the direction of the main lens; The lens cone comprises a lens cone body, a lens cone and a lens cone, wherein the lens cone body is arranged on the lens cone body, a cross is arranged on the inner wall of the lens cone body, a secondary lens seat is coaxially arranged on the inner side of the lens cone body, a secondary lens positioned at the focus of the primary lens is arranged at one end of the secondary lens seat, an elastic sleeve is embedded at the other end of the secondary lens seat, a nut sleeve is embedded in the elastic sleeve, a fixing screw rod is arranged on the cross in a threaded mode, one end of the fixing screw rod extends into the nut sleeve in a threaded mode, a second spring is elastically connected between the cross and the secondary lens seat, a plurality of second adjusting screw rods are arranged on the cross in a threaded mode, one end of each second adjusting screw rod is in butt joint with the secondary lens seat, and each second adjusting screw rod can be screwed in or out independently and used for changing the angle of the secondary lens seat so as to adjust the direction of the secondary lens.
2. 2. The reflex astronomical telescope according to claim 1, wherein the number of the first adjusting screws is four, and the first adjusting screws are circumferentially and equidistantly distributed around the main frame.
3. 3. The reflex astronomical telescope according to claim 2, wherein the number of the second adjusting screws is three, and the second adjusting screws are distributed in a triangular shape.
4. 4. The reflex astronomical telescope according to claim 1, wherein a plurality of cards are detachably arranged on the movable frame, and the cards are abutted against the main lens to lock the relative positions of the main lens and the movable frame.
5. 5. The reflex astronomical telescope according to claim 1, wherein a focusing eyepiece and a star finder are arranged on an outer wall of the lens barrel, and an optical axis of the focusing eyepiece is aligned with an auxiliary mirror to form a light propagation path.
6. 6. The reflection type astronomical telescope of claim 1, wherein the lens cone is sleeved with hoops, rotating wheels are arranged on two sides of each hoop, a placing seat is arranged below the lens cone, each placing seat comprises a lower support, an upper support, a rotary disc and two semicircular rotating grooves, the upper support is rotatably connected to the lower support through the rotary disc, and the two semicircular rotating grooves are respectively arranged on two inner sides of the upper support and used for placing corresponding rotating wheels.

Description

Reflection type astronomical telescope Technical Field The utility model relates to the technical field of reflective astronomical telescopes, in particular to a reflective astronomical telescope. Background In the astronomical observation field, the reflective astronomical telescope plays an important role in observing the sidereal physics by virtue of unique advantages such as effective chromatic aberration avoidance, large-caliber lens and multi-mirror mosaic technology, and the like, and becomes a mainstream choice in a plurality of astronomical observation devices. The working principle is that the concave reflector is used for reflecting and focusing light rays, and the auxiliary mirror is used for guiding the light rays to the ocular for observation. However, the existing partially reflective astronomical telescope has the defect that due to the lack of effective adjusting structures for the primary lens and the secondary lens, in actual use, the lenses are difficult to ensure to be always in the optimal working state. The primary lens is used as a key component for collecting light and primarily focusing, and the fine deviation of the position or angle of the primary lens can lead to the fact that the light cannot be accurately converged, so that imaging blurring is unclear. Similarly, the auxiliary lens is responsible for accurately guiding the light converged by the main lens to the ocular lens, if the auxiliary lens is not adjusted in place, the light propagation path is deviated, the imaging quality is greatly reduced, the trouble is brought to astronomical observation, the accurate observation and research of astronomical objects are affected, and the observation experience of common astronomical lovers is also reduced. Disclosure of utility model Aiming at the defects existing in the prior art, the utility model provides a reflective astronomical telescope. In order to achieve the above object, the technical scheme of the present utility model is as follows: A reflective astronomical telescope comprising a barrel, comprising: The main lens holder is arranged at one end of the lens cone, the inner side of the main lens holder is coaxially provided with a movable frame, the movable frame is provided with a main lens, the inner wall of the movable frame is provided with an elastic ring, a plurality of first adjusting screws are threaded on the main lens holder, one end of each first adjusting screw is connected with the elastic ring, and each first adjusting screw can be independently screwed in or out and is used for adjusting the angle of the movable frame so as to adjust the direction of the main lens; The lens cone comprises a lens cone body, a lens cone and a lens cone, wherein the lens cone body is arranged on the lens cone body, a cross is arranged on the inner wall of the lens cone body, a secondary lens seat is coaxially arranged on the inner side of the lens cone body, a secondary lens positioned at the focus of the primary lens is arranged at one end of the secondary lens seat, an elastic sleeve is embedded at the other end of the secondary lens seat, a nut sleeve is embedded in the elastic sleeve, a fixing screw rod is arranged on the cross in a threaded mode, one end of the fixing screw rod extends into the nut sleeve in a threaded mode, a second spring is elastically connected between the cross and the secondary lens seat, a plurality of second adjusting screw rods are arranged on the cross in a threaded mode, one end of each second adjusting screw rod is in butt joint with the secondary lens seat, and each second adjusting screw rod can be screwed in or out independently and used for changing the angle of the secondary lens seat so as to adjust the direction of the secondary lens. Preferably, the number of the first adjusting screws is four, and the first adjusting screws are circumferentially and equidistantly distributed around the main lens frame. Preferably, the number of the second adjusting screws is three, and the second adjusting screws are distributed in a triangular mode. Preferably, the movable frame is detachably provided with a plurality of cards, and the cards are abutted against the main lens so as to lock the relative positions of the main lens and the movable frame. Preferably, a focusing eyepiece and a star finding mirror are arranged on the outer wall of the lens barrel, and the optical axis of the focusing eyepiece is aligned with the auxiliary mirror to form a light propagation path. Preferably, the lens cone is sleeved with the anchor ear, both sides of the anchor ear are provided with rotating wheels, a placing seat is arranged below the lens cone and comprises a lower support, an upper support, a rotating disc and two semicircular rotating grooves, the upper support is rotationally connected to the lower support through the rotating disc, and the two semicircular rotating grooves are respectively arranged on the two inner sides of the upper support and used