CN215867338U

CN215867338U - Stretching cylinder capable of precisely stretching and improving imaging quality of telescope

Info

Publication number: CN215867338U
Application number: CN202122144408.4U
Authority: CN
Inventors: 徐浩
Original assignee: Kunming Tianzhuo Optical Instrument Co ltd
Current assignee: Kunming Tianzhuo Optical Instrument Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-02-18
Anticipated expiration: 2031-09-07

Abstract

The utility model discloses a stretching cylinder for precisely stretching and improving the imaging quality of a telescope, which comprises an objective lens cylinder, wherein a coarse adjusting cylinder penetrates through the inner cavity of the objective lens cylinder, the right side of the coarse adjusting cylinder penetrates through the right side of the objective lens cylinder and is communicated with a fixed cylinder, the top of the right side of the coarse adjusting cylinder is fixedly connected with a connecting plate, the right side of the top of the connecting plate is fixedly connected with a sliding rod, the right side of the top of the objective lens cylinder is fixedly connected with a sliding sleeve, and the left side of the sliding rod penetrates through the sliding sleeve and extends to the upper part of the left end of the coarse adjusting cylinder. According to the utility model, through the matched use of the coarse adjustment cylinder, the fixed cylinder, the connecting plate, the eyepiece barrel, the sliding rod, the fastening bolt, the fine adjustment cylinder, the rotating rod, the groove, the gear, the mounting block, the cover plate and the toothed plate, the problems that the existing telescope can only be manually roughly adjusted in the focusing process, is inconvenient to accurately adjust, causes poor imaging quality of the telescope and further influences the experience effect of a user are solved.

Description

Stretching cylinder capable of precisely stretching and improving imaging quality of telescope

Technical Field

The utility model relates to the technical field of telescopes, in particular to a stretching cylinder for precisely stretching and improving the imaging quality of a telescope.

Background

The telescope is an optical instrument for observing remote objects by using a lens or a reflector and other optical devices, and is also called as a kilo-prism, wherein light rays passing through the lens are refracted or reflected by a concave mirror to enter a small hole and be converged to form an image, and then the image is seen through a magnifying eyepiece.

The existing telescope can only be manually roughly adjusted in the focusing process, and is inconvenient to be accurately adjusted, so that the imaging quality of the telescope is poor, and the user experience effect is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a stretching cylinder for precisely stretching to improve the imaging quality of a telescope, which has the advantage of precise stretching and solves the problems that the imaging quality of the telescope is poor and the experience effect of a user is influenced because the existing telescope can only be roughly adjusted manually and is inconvenient to precisely adjust in the focusing process.

In order to achieve the purpose, the utility model provides the following technical scheme: a stretching cylinder capable of precisely stretching and improving imaging quality of a telescope comprises an objective lens cylinder, wherein a coarse adjusting cylinder is arranged in an inner cavity of the objective lens cylinder in a penetrating mode, the right side of the coarse adjusting cylinder penetrates through to the right side of the objective lens cylinder and is communicated with a fixed cylinder, a connecting plate is fixedly connected to the top of the right side of the coarse adjusting cylinder, a sliding rod is fixedly connected to the right side of the top of the connecting plate, a sliding sleeve is fixedly connected to the right side of the top of the objective lens cylinder, the left side of the sliding rod penetrates through the sliding sleeve and extends to the upper side of the left end of the coarse adjusting cylinder, a fastening bolt is arranged at the top of the sliding sleeve in a penetrating mode, the bottom of the fastening bolt penetrates through to the inner cavity of the sliding sleeve and is in close contact with the top of the sliding rod, a mounting block is fixedly connected to the bottom of the fixed cylinder, a groove is formed in the bottom of the mounting block, a rotating rod is arranged in the inner cavity of the groove, and a gear is fixedly sleeved at the middle end of the surface of the rotating rod, the bottom fixedly connected with apron of installation piece, the inner chamber of fixed cylinder runs through and is provided with a fine adjustment section of thick bamboo, the right side intercommunication of a fine adjustment section of thick bamboo has eyepiece barrel, the bottom of a fine adjustment section of thick bamboo just is located gear department fixedly connected with pinion rack.

Preferably, the left side of the inner cavity of the objective lens barrel is fixedly connected with an objective lens, and the right side of the inner cavity of the eyepiece barrel is fixedly connected with an eyepiece.

Preferably, the right side at objective lens barrel top just is located the outside fixedly connected with set casing of slide bar, the left side fixedly connected with limiting plate of slide bar, the slide opening that uses with the slide bar cooperation is seted up on the right side of set casing.

Preferably, the right side of the top of the fixed shell is provided with a first threaded hole matched with the fastening bolt for use, and the top of the sliding sleeve is provided with a second threaded hole matched with the fastening bolt for use.

Preferably, the front side and the rear side of the rotating rod are fixedly connected with rotating knobs, and the bottom of the inner cavity of the coarse adjusting cylinder is provided with a through groove for the toothed plate to move.

Preferably, the gear is engaged with the toothed plate, and a moving groove for the toothed plate to pass through is formed in the bottom of the fixed cylinder.

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

1. the telescope has the advantage of accurate stretching through the matched use of the coarse adjustment cylinder, the fixed cylinder, the connecting plate, the eyepiece cylinder, the sliding rod, the fastening bolt, the fine adjustment cylinder, the rotating rod, the groove, the gear, the mounting block, the cover plate and the toothed plate, and solves the problems that the existing telescope can only be manually and roughly adjusted in the focusing process, is inconvenient to accurately adjust, causes poor imaging quality of the telescope and further influences the experience effect of a user.

2. The sliding rod and the sliding sleeve can be protected by the fixing shell, the sliding rod can be prevented from falling off from the surface of the sliding sleeve by the limiting plate, and the sliding rod can be conveniently fixed inside the sliding sleeve by the fastening bolt, so that the effect of fixing the coarse adjustment cylinder is achieved.

Drawings

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

FIG. 2 is a bottom perspective view of the coarse adjustment barrel of the present invention;

FIG. 3 is an enlarged view of A of FIG. 2 according to the present invention;

FIG. 4 is a bottom perspective view of the fixing cylinder of the present invention;

fig. 5 is a three-dimensional structure view of the toothed plate of the present invention;

FIG. 6 is a perspective view of the gear and toothed plate arrangement of the present invention;

fig. 7 is a three-dimensional structure view of the sliding sleeve of the present invention.

In the figure: the device comprises an objective lens barrel 1, an objective lens 2, a through groove 3, a coarse adjustment barrel 4, a rotary knob 5, a fixed barrel 6, a connecting plate 7, an objective lens barrel 8, a sliding rod 9, a fastening bolt 10, a fixed shell 11, a fine adjustment barrel 12, a rotary rod 13, a groove 14, a gear 15, a mounting block 16, a cover plate 17, a toothed plate 18 and a sliding sleeve 19.

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 the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the 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", "provided", "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.

Referring to fig. 1-7, a stretching cylinder for precisely stretching and improving imaging quality of a telescope comprises an objective lens barrel 1, a coarse adjustment cylinder 4 is arranged in an inner cavity of the objective lens barrel 1 in a penetrating manner, a fixing cylinder 6 is communicated with and penetrates the right side of the coarse adjustment cylinder 4, a connecting plate 7 is fixedly connected with the top of the right side of the coarse adjustment cylinder 4, a sliding rod 9 is fixedly connected with the right side of the top of the connecting plate 7, a sliding sleeve 19 is fixedly connected with the right side of the top of the objective lens barrel 1, the left side of the sliding rod 9 penetrates the sliding sleeve 19 and extends to the upper side of the left end of the coarse adjustment cylinder 4, a fastening bolt 10 is arranged in the top of the sliding sleeve 19 in a penetrating manner, the sliding rod 9 can be conveniently fixed in the sliding sleeve 19 by using the fastening bolt 10, so as to achieve the effect of fixing the coarse adjustment cylinder 4, the bottom of the fastening bolt 10 penetrates the inner cavity of the sliding sleeve 19 and is in tight contact with the top of the sliding rod 9, a mounting block 16 is fixedly connected with the bottom of the fixing cylinder 6, the bottom of the mounting block 16 is provided with a groove 14, the rotating rod 13 can be conveniently mounted through the use of the groove 14, the rotating rod 13 is arranged in an inner cavity of the groove 14, a gear 15 is fixedly sleeved at the middle end of the surface of the rotating rod 13, a cover plate 17 is fixedly connected to the bottom of the mounting block 16, the rotating rod 13 can be limited in the groove 14 through the use of the cover plate 17, so that the rotating rod is prevented from shaking in the rotating process, a fine adjustment cylinder 12 penetrates through the inner cavity of the fixed cylinder 6, the right side of the fine adjustment cylinder 12 is communicated with an eyepiece barrel 8, a toothed plate 18 is fixedly connected to the bottom of the fine adjustment cylinder 12 and is positioned at the gear 15, and the eyepiece barrel 8 can be finely adjusted through the use of the gear 15 and the toothed plate 18;

the left side of the inner cavity of the objective lens barrel 1 is fixedly connected with an objective lens 2, and the right side of the inner cavity of the eyepiece barrel 8 is fixedly connected with an eyepiece;

a fixed shell 11 is fixedly connected to the right side of the top of the objective lens barrel 1 and outside the slide rod 9, the slide rod 9 and the slide sleeve 19 can be protected by using the fixed shell 11, a limiting plate is fixedly connected to the left side of the slide rod 9, the slide rod 9 can be prevented from falling off from the surface of the slide sleeve 19 by using the limiting plate, and a slide hole matched with the slide rod 9 is formed in the right side of the fixed shell 11;

a first threaded hole matched with the fastening bolt 10 is formed in the right side of the top of the fixed shell 11, a second threaded hole matched with the fastening bolt 10 is formed in the top of the sliding sleeve 19, a circular plate is fixedly sleeved on the surface of the fastening bolt 10 and located in an inner cavity of the fixed shell 11, and the fastening bolt 10 can be prevented from falling off the fixed shell 11 through the use of the circular plate;

the front side and the rear side of the rotating rod 13 are fixedly connected with rotating knobs 5, the gear 15 can be conveniently rotated by using the rotating knobs 5, and the bottom of the inner cavity of the coarse adjusting cylinder 4 is provided with a through groove 3 for the toothed plate 18 to move;

the gear 15 meshes with the pinion rack 18, and the shifting chute that supplies the pinion rack 18 to pass through is seted up to the bottom of fixed cylinder 6, through the use of shifting chute and logical groove 3, can make things convenient for the pinion rack 18 to pass through.

During the use, take out coarse adjustment section of thick bamboo 4 from objective tube 1 inside to suitable distance, then rotate fastening bolt 10, under the effect of screw hole one and screw hole two, make its bottom support slide bar 9 tightly, thereby fix it inside sliding sleeve 19, reach the effect of fixing coarse adjustment section of thick bamboo 4, at this moment, coarse adjustment is accomplished, then place the device in the eyes position, observe the eyepiece on eyepiece section of thick bamboo 8 through eyes, and judge and observe whether the picture is clear, then rotate two and rotate knob 5, make bull stick 13 drive gear 15 and rotate, and drive pinion rack 18 through its and pinion rack 18 meshing and remove, and then make fine adjustment section of thick bamboo 12 slowly shift out from fixed section of thick bamboo 6 inside, until the user observes the picture and reaches clearly, reach the fine adjustment effect.

In summary, the following steps: this accurate tensile section of thick bamboo that improves telescope imaging quality, through thick adjusting cylinder 4, fixed cylinder 6, connecting plate 7, eyepiece sleeve 8, slide bar 9, fastening bolt 10, a fine adjustment section of thick bamboo 12, bull stick 13, recess 14, gear 15, installation piece 16, apron 17 and pinion rack 18's cooperation is used, current telescope has been solved and can only manually carry out rough adjustment at the in-process of focusing, inconvenient accurate adjustment carries out, make the imaging quality of telescope relatively poor, and then influence the problem that the user experienced the effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a stretching section of thick bamboo of accurate stretching improvement telescope imaging quality, includes objective tube (1), its characterized in that: the inner cavity of the objective lens barrel (1) is provided with a coarse adjustment barrel (4) in a penetrating manner, the right side of the coarse adjustment barrel (4) is provided with a fixed barrel (6) in a penetrating manner, the top of the right side of the coarse adjustment barrel (4) is fixedly connected with a connecting plate (7), the right side of the top of the connecting plate (7) is fixedly connected with a sliding rod (9), the right side of the top of the objective lens barrel (1) is fixedly connected with a sliding sleeve (19), the left side of the sliding rod (9) is provided with the sliding sleeve (19) in a penetrating manner and extends to the upper side of the left end of the coarse adjustment barrel (4), the top of the sliding sleeve (19) is provided with a fastening bolt (10) in a penetrating manner, the bottom of the fastening bolt (10) is provided with an inner cavity of the sliding sleeve (19) in a penetrating manner and is in tight contact with the top of the sliding rod (9), the bottom of the fixed barrel (6) is fixedly connected with a mounting block (16), and the bottom of the mounting block (16) is provided with a groove (14), the inner chamber of recess (14) is provided with bull stick (13), the fixed cover of middle-end on bull stick (13) surface is equipped with gear (15), the bottom fixedly connected with apron (17) of installation piece (16), the inner chamber of fixed cylinder (6) runs through and is provided with fine adjustment section of thick bamboo (12), the right side intercommunication of fine adjustment section of thick bamboo (12) has eyepiece barrel (8), the bottom of fine adjustment section of thick bamboo (12) just is located gear (15) fixedly connected with pinion rack (18).

2. The stretching cylinder for precisely stretching and improving the imaging quality of the telescope according to claim 1, wherein: the left side of the inner cavity of the objective lens barrel (1) is fixedly connected with an objective lens (2), and the right side of the inner cavity of the eyepiece barrel (8) is fixedly connected with an eyepiece.

3. The stretching cylinder for precisely stretching and improving the imaging quality of the telescope according to claim 1, wherein: the right side at objective tube (1) top just is located outside fixedly connected with set casing (11) of slide bar (9), the left side fixedly connected with limiting plate of slide bar (9), the slide opening that uses with slide bar (9) cooperation is seted up on the right side of set casing (11).

4. The stretching cylinder for precisely stretching and improving the imaging quality of the telescope according to claim 3, wherein: the right side of the top of the fixed shell (11) is provided with a first threaded hole matched with the fastening bolt (10) for use, and the top of the sliding sleeve (19) is provided with a second threaded hole matched with the fastening bolt (10) for use.

5. The stretching cylinder for precisely stretching and improving the imaging quality of the telescope according to claim 1, wherein: the rotary knob (5) is fixedly connected to the front side and the rear side of the rotary rod (13), and the through groove (3) for the toothed plate (18) to move is formed in the bottom of the inner cavity of the coarse adjusting cylinder (4).

6. The stretching cylinder for precisely stretching and improving the imaging quality of the telescope according to claim 1, wherein: the gear (15) is meshed with the toothed plate (18), and a moving groove for the toothed plate (18) to pass through is formed in the bottom of the fixed cylinder (6).