TWI771884B - Monocular telescope and adjustable optical mechanism - Google Patents

Abstract

The present invention provides a monocular telescope and an adjustable optical mechanism. The monocular telescope includes a housing module, a lens module, and a camera. The housing module includes an outer tube assembled with the camera and a manipulatable assembly that is assembled to the outer tube. The lens module includes an inner tube movably assembled into the outer tube, a rack fixed to the inner tube and engaged with the manipulatable assembly, and a plurality of optical lenses that are fixed in the inner tube and that are spaced apart each other. The optical lenses define a central optical axis. The manipulatable assembly is configured to drive the rack to back and forth move the lens module relative to the housing module along a direction parallel to the central optical axis, so that the camera can be used to focus a predetermined object.

Description

Monocular telescope and its adjustable optical mechanism

The invention relates to a telescope, in particular to a monocular telescope and an adjustable optical mechanism thereof.

The existing monocular telescope includes a lens barrel and a camera installed at the end of the lens barrel, and the existing monocular telescope performs focusing operation by moving the camera. However, during the movement of the camera, the existing monocular telescope is easily tilted due to the weight of the camera, which makes it difficult to accurately achieve the above focusing operation.

Therefore, the inventor believes that the above-mentioned defects can be improved. Nate has devoted himself to research and application of scientific principles, and finally proposes an invention with reasonable design and effective improvement of the above-mentioned defects.

The embodiments of the present invention provide a monocular telescope and an adjustable optical mechanism thereof, which can effectively improve the defects that may occur in the existing monocular telescope.

The embodiment of the present invention discloses a monocular telescope, which includes: a casing module, including: an outer cylinder having an observation end and a mounting end respectively located at opposite ends; and a control assembly mounted on the outer cylinder The barrel is located between the observation end and the installation end; a lens barrel module is movably installed in the outer barrel and includes: an inner barrel with a first end and a second end; a rack, fixed on the inner cylinder and engaged with the manipulation assembly; and a plurality of optical lenses, fixed in the inner cylinder at intervals, and a plurality of the optical lenses The lens defines a central optical axis; and a camera is fixed to the mounting end of the outer barrel and adjacent to the second end of the inner barrel; wherein the camera and the outer barrel The relative position of the lens is kept fixed; wherein, the control assembly can drive the rack, so that the lens barrel module relative to the housing module moves back and forth in a direction parallel to the central optical axis, thereby making The camera can be used to focus on a target.

The embodiment of the present invention also discloses an adjustable optical mechanism for a monocular telescope, which includes: a housing module, including: an outer cylinder having an observation end and a mounting end respectively located at opposite ends; and a control assembly , installed in the outer cylinder and located between the observation end and the installation end; and a lens barrel module, movably installed in the outer cylinder and comprising: an inner cylinder with respectively A first end and a second end located at opposite ends; a rack, fixed on the inner cylinder and engaged with the manipulation component; and a plurality of optical lenses, fixed in the inner cylinder at intervals , and a plurality of the optical lenses define a central optical axis; wherein, the control assembly can drive the rack, so that the lens barrel module relative to the housing module along a parallel to the central optical axis Move back and forth in one direction.

To sum up, in the monocular telescope and its adjustable optical mechanism disclosed in the embodiments of the present invention, the position of the lens barrel module relative to the camera can be adjusted through the cooperation of the rack and the control assembly. , so that the camera does not need to be moved, which facilitates the accurate focusing operation, and also allows the monocular telescope to use the heavier camera.

In order to further understand the features and technical content of the present invention, please refer to the following detailed description and accompanying drawings of the present invention, but these descriptions and drawings are only used to illustrate the present invention, rather than make any claims to the protection scope of the present invention. limit.

The following are specific specific embodiments to illustrate the embodiments of the "monocular telescope and its adjustable optical mechanism" disclosed in the present invention, and those skilled in the art can understand the advantages and effects of the present invention from the content disclosed in this specification. The present invention can be implemented or applied through other different specific embodiments, and various details in this specification can also be modified and changed based on different viewpoints and applications without departing from the concept of the present invention. In addition, the drawings of the present invention are merely schematic illustrations, and are not drawn according to the actual size, and are stated in advance. The following embodiments will further describe the related technical contents of the present invention in detail, but the disclosed contents are not intended to limit the protection scope of the present invention.

It should be understood that although terms such as "first", "second" and "third" may be used herein to describe various elements or signals, these elements or signals should not be limited by these terms. These terms are primarily used to distinguish one element from another element, or a signal from another signal. In addition, the term "or", as used herein, should include any one or a combination of more of the associated listed items, as the case may be.

Please refer to FIG. 1 to FIG. 7 , which are an embodiment of the present invention. This embodiment discloses a monocular telescope 100 , especially an astronomical telescope; that is, any telescope that is not a monocular is different from the monocular telescope 100 in this embodiment. Wherein, as shown in FIG. 1 to FIG. 4 , the monocular telescope 100 includes a housing module 1 , a lens barrel module 2 movably installed in the housing module 1 , and a lens tube module 2 fixed on the housing module 1 . A camera 3 of the housing module 1 .

It should be noted that the housing module 1 and the lens barrel module 2 can also be combined into an adjustable optical mechanism in this embodiment, and the adjustable optical mechanism in this embodiment is an adjustable optical mechanism. The camera 3 is used for description, but the present invention is not limited to this. For example, in other embodiments not shown in the present invention, the adjustable optical mechanism can also be used alone (eg, sold) or used in combination with other components.

As shown in FIG. 3 to FIG. 5 , the housing module 1 includes an outer cylinder 11 and a manipulation component 12 mounted on the outer cylinder 11 (outer surface). In this embodiment, the outer cylinder 11 is substantially in the shape of a circular tube and defines a center line L; that is, any section of the outer cylinder 11 perpendicular to the center line L is the center of the circle A torus located on the centerline L. Furthermore, the outer cylinder 11 has an observation end 111 and an installation end 112 respectively located at opposite ends, and the outer diameter of the observation end 111 is larger than the outer diameter of the installation end 112 .

In more detail, the outer cylinder 11 is formed with an installation groove 114 that communicates with the inner space 113 thereof; that is, the inner space 113 of the outer cylinder 11 can be communicated through the installation groove 114 in an external space. In this embodiment, the installation groove 114 is a portion of the outer cylindrical body 11 located at the approximate center of the observation end 111 and the installation end 112 .

The manipulation assembly 12 is located between the observation end 111 and the installation end 112; For example: the installation slot 114 ), which is installed with the control assembly 12 . In this embodiment, the control assembly 12 includes a rotating shaft 121 perpendicular to the center line L and two manual knobs 122 respectively mounted on both ends of the rotating shaft 121 .

In more detail, the rotating shaft 121 is formed with a plurality of gear teeth 123 , and the plurality of gear teeth 123 are located in the substantially center of the rotating shaft 121 and in the mounting groove 114 . Wherein, at least one of the plurality of gear teeth 123 can pass through the mounting groove 114 and be located in the inner space 113 of the outer cylinder 11 . Any one of the manual knobs 122 can be manipulated to rotate, so as to drive the rotation shaft 121 to rotate, so that a plurality of the gear teeth 123 pass through the installation slot 114 in turn.

However, although the control assembly 12 is described in this embodiment by using the rotating shaft 121 with two manual knobs 122, the present invention is not limited thereto. For example, in other embodiments not shown in the present invention, the control element 12 may also include the rotating shaft 121 and a semi-automatic mechanism matched with the rotating shaft 121 .

As shown in FIG. 3 to FIG. 5 , the lens barrel module 2 is movably installed in the outer barrel 11 , and the lens barrel module 2 can (by matching with the control assembly 12 ) be opposite to each other When the housing module 1 reciprocates between a first position (eg, FIG. 6 ) and a second position (eg, FIG. 7 ), the camera 3 is fixed to the mounting end of the outer cylinder 11 112 and on the centerline L. In this embodiment, the relative positions of the camera 3 and the outer cylinder 11 are kept fixed (eg, the camera 3 is locked to the outer cylinder 11 ), so that the monocular telescope 100 The heavier camera 3 can be used; for example, the weight of the camera 3 is 20% to 45% of the total weight of the housing module 1 and the lens barrel module 2, or the weight of the camera 3 It ranges from 2.5 kilograms (kg) to 4.5 kilograms, but the present invention is not limited to this.

The lens barrel module 2 includes an inner barrel 21 located in the outer barrel 11 , a plurality of optical lenses 22 fixed in the inner barrel 21 at intervals, and a plurality of optical lenses 22 fixed on the inner barrel The body 21 is engaged with a rack 23 of the control assembly 12 . It should be noted that the relative positions of the plurality of optical lenses 22 and the inner cylinder 21 are limited to remain unchanged in this embodiment, so as to exclude any lenses and cylinders that may cause relative movement.

The inner cylinder 21 has a first end 211 and a second end 212 located at opposite ends respectively, and the second end 212 is closer to the mounting end 112 than the first end 211 , and an annular gap G is formed between the inner cylinder 21 and the outer cylinder 11 , and the annular gap G communicates with the installation groove 114 . Furthermore, the relative positions of the plurality of the optical lenses 22 are kept fixed (that is, there is no relative movement among the plurality of the optical lenses 22), and the plurality of the optical lenses 22 are defined in this embodiment There is a central optical axis C overlapping the central line L.

In more detail, the inner cylinder 21 includes a first cylinder 21a and a second cylinder 21b connected to the first cylinder 21a in this embodiment, and the first cylinder 21a has a A first inner diameter is different from a second inner diameter of the second cylindrical body 21b (eg, the first inner diameter is larger than the second inner diameter).

Wherein, the end edge of the first cylinder 21a away from the second cylinder 21b is defined as the first end 211, and the end edge of the second cylinder 21b away from the first cylinder 21a is defined as The second end 212; that is, the second cylinder 21b is closer to the camera 3 than the first cylinder 21a. It should be noted that the relative positions of the first cylindrical body 21a and the second cylindrical body 21b remain unchanged in this embodiment.

A plurality of the optical lenses 22 are respectively fixed in the first cylindrical body 21a and the second cylindrical body 21b. Further, the plurality of optical lenses 22 include at least one first lens 22a installed in the first barrel 21a and at least one second lens 22b installed in the second barrel 21b, and The radius of at least one of the first mirrors 22a is larger than the radius of at least one of the second mirrors 22b.

Accordingly, in this embodiment, the inner cylinder 21 includes a plurality of sub-cylinders (eg, the first cylinder 21a and the second cylinder 21b ), so as to be used to install the cylinders with different radii. A plurality of the optical lenses 22 further enables the monocular telescope 100 to meet different design requirements.

In addition, in this embodiment, the inner cylinder 21 is described as a structure including a plurality of sub-cylinders (eg, the first cylinder 21a and the second cylinder 21b ), but the present invention does not This is limited. For example, in other embodiments not shown in the present invention, the inner cylinder 21 may also be an integrally formed single-piece structure, and a plurality of the optical lenses 22 may also have the same radius.

In this embodiment, the rack 23 is fixed to the outer surface of the inner cylinder 21 (eg, the first cylinder 21 a ) and is located in the annular gap G, and the rack 23 is in the shape of a It is elongated and its length direction is parallel to the central optical axis C. The position of the rack 23 corresponds to the mounting slot 114 , so that at least one of the gear teeth 123 is engaged with the rack 23 . Accordingly, the installation position of the rack 23 utilizes the annular gap G between the inner cylinder 21 and the outer cylinder 11 , thereby effectively reducing the need for adding the rack 23 the adjustment range of the inner cylinder 21 and the outer cylinder 11.

Further, the control assembly 12 can drive the rack 23 (through the two manual knobs 122 and the rotating shaft 121 ), so that the lens barrel module 2 is relative to the housing module 1 moves back and forth in a direction parallel to the central optical axis C, so that the camera 3 can be used to focus on a target (not shown in the figure, such as a star). Accordingly, the monocular telescope 100 can adjust the position of the lens barrel module 2 relative to the camera 3 through the cooperation of the rack 23 and the manipulation assembly 12 , so that the camera 3 It does not need to be moved, which facilitates precise focusing operations.

Wherein, when the lens barrel module 2 is located at the first position (eg, FIG. 6 ), the lens barrel module 2 is adjacent to the camera 3 and separated from the observation end 111 by a first shading depth D1 is 40% to 50% of the length of the housing module 1 . Furthermore, when the lens barrel module 2 is located at the second position (as shown in FIG. 7 ), the lens barrel module 2 is far away from the camera 3 and separated from the observation end 111 by a second shading The depth D2 is 35%˜45% of the length of the housing module 1 , and the second shading depth D2 is smaller than the first shading depth D1 . Accordingly, in this embodiment, the monocular telescope 100 is matched with the structure of the lens barrel module 2 through the outer cylinder 11 , so that the lens barrel module 2 is moved during the movement. The outer cylinder 11 can ensure sufficient light-shielding effect, so as to facilitate accurate focusing operation.

[Technical effects of the embodiments of the present invention]

To sum up, in the monocular telescope and its adjustable optical mechanism disclosed in the embodiments of the present invention, the position of the lens barrel module relative to the camera can be adjusted through the cooperation of the rack and the control assembly. , so that the camera does not need to be moved, which facilitates accurate focusing operations, and allows the monocular telescope to use a heavier camera (for example, the weight of the camera is the same as that of the housing module). and 20% to 45% of the total weight of the lens barrel module).

Furthermore, the monocular telescope disclosed in the embodiment of the present invention utilizes the annular gap between the inner cylindrical body and the outer cylindrical body to install the rack, thereby effectively reducing the need for additional installations. The adjustment range of the inner cylinder and the outer cylinder required for the rack.

In addition, the monocular telescope disclosed in the embodiment of the present invention is matched with the structure of the lens barrel module through the outer barrel (for example, the first shading depth is 40% of the length of the housing module). % to 50%, the second shading depth is 35% to 45% of the length of the housing module), so that during the movement of the lens barrel module, the outer barrel can ensure that there are Sufficient shading effect for accurate focusing operation.

The content disclosed above is only a preferred feasible embodiment of the present invention, and is not intended to limit the patent scope of the present invention. Therefore, any equivalent technical changes made by using the contents of the description and drawings of the present invention are included in the patent scope of the present invention. Inside.

100: Monocular 1: Shell module 11: Outer cylinder 111: Observation side 112: Installation end 113: Interior Space 114: Mounting slot 12: Control components 121: Spindle 122: Manual knob 123: Gear teeth 2: Lens barrel module 21: Inner cylinder 21a: The first cylinder 21b: The second cylinder 211: First End 212: Second End 22: Optical lens 22a: first lens 22b: Second lens 23: Rack 3: Camera C: center optical axis L: center line G: annular gap D1: The first shading depth D2: Second shading depth

FIG. 1 is a schematic perspective view of a monocular telescope according to an embodiment of the present invention.

FIG. 2 is an enlarged schematic view of region II in FIG. 1 .

FIG. 3 is an exploded schematic view of FIG. 2 .

FIG. 4 is a schematic cross-sectional view taken along line IV-IV of FIG. 1 .

FIG. 5 is an enlarged schematic view of the region V in FIG. 4 .

6 is a schematic cross-sectional view of the monocular telescope according to the embodiment of the present invention when the lens barrel module is located at the first position.

7 is a schematic cross-sectional view of the monocular telescope according to the embodiment of the present invention when the lens barrel module is located at the second position.

100: Monocular

1: Shell module

11: Outer cylinder

111: Observation side

112: Installation end

113: Interior Space

114: Mounting slot

12: Control components

121: Spindle

122: Manual knob

123: Gear teeth

2: Lens barrel module

21: Inner cylinder

21a: The first cylinder

21b: The second cylinder

211: First End

212: Second End

22: Optical lens

22a: first lens

22b: Second lens

23: Rack

3: Camera

C: center optical axis

L: center line

G: annular gap

Claims (9)

A monocular telescope, which includes: a casing module, including: an outer cylinder, with an observation end and an installation end respectively located at opposite ends; and a control assembly, mounted on the outer cylinder and located at the between the observation end and the installation end; a lens barrel module, movably installed in the outer barrel and comprising: an inner barrel with a first end and a second end respectively located at opposite ends a rack, fixed on the inner cylinder and engaged with the manipulation assembly; and a plurality of optical lenses fixed in the inner cylinder at intervals, and a plurality of the optical lenses define a central light a shaft; and a camera fixed to the mounting end of the outer barrel and adjacent to the second end of the inner barrel; wherein the relative position of the camera and the outer barrel remains fixed ; Wherein, the control assembly can drive the rack, so that the lens barrel module relative to the housing module moves back and forth in a direction parallel to the central optical axis, thereby enabling the camera to use to focus on a target; wherein, the lens barrel module can move back and forth relative to the housing module in a first position and a second position; when the lens barrel module is located in the first position In a position, the lens barrel module is adjacent to the camera and is separated from the observation end by a first shading depth, which is 40% to 50% of the length of the housing module; When the group is located at the second position, the lens barrel module is far away from the camera, and is separated from the observation end by a second shading depth, which is 35% to 45% of the length of the housing module , and the second shading depth is smaller than the first shading depth. The monocular telescope of claim 1, wherein an annular gap is formed between the inner cylindrical body and the outer cylindrical body, and the rack is located in the annular gap. The monocular telescope of claim 1, wherein the rack is elongated, and the longitudinal direction of the rack is parallel to the central optical axis. The monocular telescope according to claim 1, wherein the manipulation assembly comprises a rotating shaft perpendicular to the central optical axis and two manual knobs respectively installed at both ends of the rotating shaft, the rotating shaft is formed with multiple a plurality of gear teeth, and at least one of the plurality of gear teeth is engaged with the rack. The monocular telescope of claim 1, wherein the outer cylinder defines a centerline, and the centerline overlaps the center optical axis; the camera is located on the centerline, and the camera The weight is 20% to 45% of the total weight of the housing module and the lens barrel module. The monocular telescope according to claim 1, wherein the inner cylinder comprises: a first cylinder having a first inner diameter; wherein the rack is fixed on the first cylinder an outer surface; and a second cylinder connected to the first cylinder and having a second inner diameter, and the second inner diameter is different from the first inner diameter; wherein the second cylinder The camera is closer to the camera than the first barrel, and a plurality of the optical lenses are respectively fixed in the first barrel and the second barrel. The monocular telescope of claim 6, wherein the plurality of optical lenses includes at least one first lens installed in the first barrel and at least one second lens installed in the second barrel lenses, and at least one of the first lenses has a radius greater than the radius of at least one of the second lenses. The monocular telescope of claim 6, wherein the relative positions of the plurality of optical mirrors remain fixed. An adjustable optical mechanism for a monocular telescope, which includes: a casing module, including: an outer cylinder, with an observation end and an installation end respectively located at opposite ends; and a control assembly, installed on the outer cylinder The barrel is located between the observation end and the installation end; and a lens barrel module is movably installed in the outer barrel and includes: an inner barrel; a rack, fixed on the outer barrel an inner cylinder and is engaged with the manipulation assembly; and a plurality of optical lenses fixed in the inner cylinder at intervals, and a plurality of the optical lenses define a central optical axis; wherein, the manipulation assembly can drive The rack makes the lens barrel module move back and forth relative to the housing module in a direction parallel to the central optical axis; wherein, the lens barrel module can be relative to the housing module Move back and forth between a first position and a second position; when the lens barrel module is located at the first position, the lens barrel module and the observation end are separated by a first shading depth, which is the 40% to 50% of the length of the housing module; when the lens barrel module is located at the second position, the lens barrel module and the observation end are separated by A second shading depth, which is 35%-45% of the length of the housing module, and the second shading depth is smaller than the first shading depth.

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