CN210742608U

CN210742608U - Binocular zoom mechanism

Info

Publication number: CN210742608U
Application number: CN201921478967.5U
Authority: CN
Inventors: 黄虎; 李琦
Original assignee: Beibei Xiemazhen Yuandian Optical Instrument Factory
Current assignee: Kamosona Intelligent Technology R & D Jiangsu Co ltd
Priority date: 2019-09-06
Filing date: 2019-09-06
Publication date: 2020-06-12
Anticipated expiration: 2029-09-06

Abstract

The utility model discloses a binocular zoom mechanism, including first lens cone and second lens cone, first lens cone and second lens cone dislocation concatenation is in the same place from top to bottom in one side lateral wall in opposite directions, first recess has been seted up to first lens cone roof central point, second lens cone diapire central point puts and has seted up the third recess, the third recess is close to first recess one side lateral wall and has seted up the fourth recess, the second recess has been seted up between diapire and the first recess lateral wall in the fourth recess, first lens cone roof is provided with first lens device, second lens cone diapire is provided with protects the mesh device, be provided with elevating gear in the third recess, be provided with second lens device on elevating gear's the pull rod, be provided with a third lens device in first recess and the third recess. The utility model discloses, install and to realize the work of becoming doubly at the eyepiece that liftable slide adjusting structure, simple structure is reliable, is provided with the prism between eyepiece and the objective, can make the object image of seeing become upright image and be convenient for observe.

Description

Binocular zoom mechanism

Technical Field

The utility model relates to a telescope zoom technical field especially relates to a binocular zoom mechanism.

Background

A telescope is an optical instrument that uses lenses or mirrors, as well as other optical devices, to view a remote object. The light rays passing through the lens are refracted or reflected by the concave mirror to enter the small hole and be converged to form an image, and then the image is seen through a magnifying eyepiece. Also known as "Qianli mirror".

At present, in daily life, compared with a monocular, binoculars are widely used, but the zoom mechanism of the existing binoculars is inconvenient to adjust and is very easy to damage in actual use, and the zoom mechanism is weak mainly under severe working conditions.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a binocular zoom mechanism.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a binocular zoom mechanism comprises a first lens cone and a second lens cone, wherein the first lens cone and the second lens cone are spliced together in a vertically staggered mode, a first groove is formed in the center of the top wall of the first lens cone, a third groove is formed in the center of the bottom wall of the second lens cone, a fourth groove is formed in the side wall, close to one side of the first groove, of the third groove, a second groove is formed between the inner bottom wall of the fourth groove and the side wall of the first groove, a first lens device is arranged on the top wall of the first lens cone, an eye protection device is arranged on the bottom wall of the second lens cone, a lifting device is arranged in the third groove, a second lens device is arranged on a pull rod of the lifting device, and a third lens device is arranged in the first groove and the third groove.

As a further description of the above technical solution:

first chutes are symmetrically formed in two side walls below the third groove, and second mounting grooves are symmetrically formed in the center positions of the upper side wall and the lower side wall of each first chute.

As a further description of the above technical solution:

the lifting device comprises a fixed rod, a second chute, a pull rod and an extension spring, wherein the fixed rod is vertically arranged between the bottom walls in the second mounting groove, the fixed rod is connected with the pull rod in a sliding manner, the pull rod is connected to the fixed rod on one side of the second chute in a sliding manner through the second chute, the pull rod is connected to the fixed rod on one side of the second chute in a sliding manner, the extension spring is fixedly connected between the bottom walls in the second mounting groove on the lower side of the bottom wall of the pull rod and the side of the second mounting groove on the lower side of the bottom wall.

As a further description of the above technical solution:

the eye protection device comprises an eye protection pad, the bottom wall of the second lens cone is located at the opening at the lower side of the third groove, and the eye protection pad is fixedly connected with the opening at the lower side of the third groove and made of natural latex.

As a further description of the above technical solution:

the first lens device comprises a lens and an objective lens, the top wall of the first lens barrel is positioned at the opening of the first groove and is fixedly connected with the lens, and the objective lens is horizontally arranged in the lens.

As a further description of the above technical solution:

the third lens device comprises an installation block and a prism, wherein the installation block is symmetrically and fixedly installed on one side wall of the first groove and the third groove in a separated mode, and the prism is fixedly installed on one side wall of the installation block in the opposite mode.

As a further description of the above technical solution:

the second lens device comprises a mounting plate, a first mounting groove and an eyepiece, the two mounting plates are fixedly connected to the side wall of the pull rod in the opposite direction, the central positions of the upper side wall and the lower side wall of the mounting plate are symmetrical, and the eyepiece is horizontally and fixedly mounted in the first mounting groove.

The utility model discloses following beneficial effect has:

compared with the prior art, the binocular zoom mechanism adopts a simpler mechanical structure, the objective lens which is arranged in the lens for protection and the eyepiece which is arranged on the lifting sliding adjusting structure realize zoom work, the structure is simple and reliable, the prism is arranged between the eyepiece and the objective lens, and the object image which is seen can be conveniently observed in a vertical image.

Drawings

Fig. 1 is a schematic structural view of a binocular zoom mechanism provided by the present invention;

fig. 2 is a side view of a binocular zoom mechanism provided by the present invention;

fig. 3 is an enlarged view of a position a in fig. 1 of the binocular zoom mechanism provided by the present invention;

fig. 4 is an enlarged view of a binocular zoom mechanism shown in fig. 2B.

Illustration of the drawings:

1. a first barrel; 2. a second barrel; 3. a first groove; 4. a second groove; 5. a third groove; 6. A fourth groove; 7. a lens; 8. an objective lens; 9. mounting blocks; 10. a prism; 11. eye protection pads; 12. A pull rod; 13. mounting a plate; 14. a first mounting groove; 15. an eyepiece; 16. a first chute; 17. a second mounting groove; 18. fixing the rod; 19. a second chute; 20. a tension spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a binocular zoom mechanism comprises a first lens barrel 1 and a second lens barrel 2, wherein the opposite side walls of the first lens barrel 1 and the second lens barrel 2 are spliced together in a vertically staggered mode, a first groove 3 is formed in the center of the top wall of the first lens barrel 1, a third groove 5 is formed in the center of the bottom wall of the second lens barrel 2, a fourth groove 6 is formed in the side wall, close to the first groove 3, of the third groove 5, a second groove 4 is formed between the bottom wall of the fourth groove 6 and the side wall of the first groove 3, a first lens device is arranged on the top wall of the first lens barrel 1, an eye protection device is arranged on the bottom wall of the second lens barrel 2, a lifting device is arranged in the third groove 5, a second lens device is arranged on a pull rod 12 of the lifting device, a third lens device is arranged in the first groove 3 and the third groove 5, and multiple devices coordinate to work to achieve work of.

The two side walls below the third groove 5 are symmetrically provided with first sliding grooves 16, the central positions of the upper and lower two side walls of the two first sliding grooves 16 are symmetrically provided with second mounting grooves 17, the lifting device comprises a fixing rod 18, a second sliding groove 19, a pull rod 12 and a tension spring 20, the fixing rod 18 is vertically arranged between the bottom walls of the two second mounting grooves 17 on one side, the pull rod 12 is connected with the fixing rod 18 in a sliding manner, the pull rod 12 is connected with the fixing rod 18 on one side in a sliding manner through the second sliding groove 19 arranged on the fixing rod 18, the tension spring 20 is fixedly connected between the bottom wall of the pull rod 12 and the bottom wall of the second mounting groove 17 on the lower side of the pull rod, the tension spring 20 is internally connected with the fixing rod 18 on one side in a sliding manner, the eye protection device comprises an eye protection pad 11, the opening of the bottom wall of the second lens barrel 2 on, the skin-friendly material, it is comfortable to use, first lens device includes camera lens 7 and objective 8, 1 roof of first lens cone is located 3 opening parts fixedly connected with camera lens 7 of first recess, horizontal installation has objective 8 in the camera lens 7, the third lens device includes installation piece 9 and prism 10, first recess 3 and third recess 5 leave one side lateral wall symmetry fixed mounting and have installation piece 9, two installation pieces 9 have prism 10 to one side lateral wall fixed mounting in opposite directions, it is just changeing the image, the second lens device includes mounting panel 13, first mounting groove 14, eyepiece 15, two same mounting panel 13 of 12 opposite side lateral wall fixedly connected with of pull rod, first mounting groove 14 has been seted up to two side wall central point symmetry about mounting panel 13, horizontal fixed mounting has eyepiece 15 in first mounting groove 14, eyes can see the enlarged virtual image of far away through eyepiece 15.

The working principle is as follows: the objective lens 8 of the device body collects light rays, an object outside a certain distance forms a real image on a focal plane, this image can be recorded or passed through an eyepiece 15 that acts like a magnifying glass, allowing the eye to see a virtual image that is magnified at a distance, the image produced by a telescope that uses two convex lenses to image is inverted, the image is corrected using a triple prism 10 lens mounted between the objective lens 8 and the eyepiece 15, so that the erect image can be seen, the pull rods 12 at the two sides are pulled, the pull rods 12 are connected with the mounting plate 13, the ocular lens 15 is mounted in the mounting plate 13 and can drive the ocular lens 15 to move, according to the imaging principle of the convex lens, virtual images with different multiplying powers can be obtained according to the movement observation of the ocular lens 15, the zooming work is completed, after the pull rod 12 is loosened, because the extension spring 20 is fixedly connected with the extension spring, the extension spring 20 can return to the working state before being pulled under the action of the elastic force.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A binocular zoom mechanism comprises a first lens barrel (1) and a second lens barrel (2), and is characterized in that: the side walls of the opposite sides of the first lens cone (1) and the second lens cone (2) are spliced together in a vertically staggered way, a first groove (3) is arranged at the center of the top wall of the first lens cone (1), a third groove (5) is arranged at the center of the bottom wall of the second lens cone (2), a fourth groove (6) is arranged on the side wall of one side of the third groove (5) close to the first groove (3), a second groove (4) is arranged between the inner bottom wall of the fourth groove (6) and the side wall of the first groove (3), the top wall of the first lens cone (1) is provided with a first lens device, the bottom wall of the second lens cone (2) is provided with an eye protection device, a lifting device is arranged in the third groove (5), a second lens device is arranged on a pull rod (12) of the lifting device, and a third lens device is arranged in the first groove (3) and the third groove (5).

2. The binocular zoom mechanism of claim 1, wherein: first sliding grooves (16) are symmetrically formed in two side walls below the third groove (5), and second mounting grooves (17) are symmetrically formed in the center positions of the upper side wall and the lower side wall of each first sliding groove (16).

3. The binocular zoom mechanism of claim 2, wherein: elevating gear includes dead lever (18), second spout (19), pull rod (12), extension spring (20), with two in one side install dead lever (18) perpendicularly between bottom wall in second mounting groove (17), sliding connection has pull rod (12) on dead lever (18), pull rod (12) through second spout (19) sliding connection who offers on it on dead lever (18) of its place one side, fixedly connected with extension spring (20) between bottom wall in second mounting groove (17) of pull rod (12) diapire and its place one side downside, extension spring (20) inside sliding connection has dead lever (18) of its place one side.

4. The binocular zoom mechanism of claim 1, wherein: the eye protection device comprises an eye protection pad (11), the bottom wall of the second lens barrel (2) is located at the lower side opening of the third groove (5) and is fixedly connected with the eye protection pad (11), and the eye protection pad (11) is made of natural latex.

5. The binocular zoom mechanism of claim 1, wherein: the first lens device comprises a lens (7) and an objective lens (8), the top wall of the first lens barrel (1) is positioned at the opening of the first groove (3) and is fixedly connected with the lens (7), and the objective lens (8) is horizontally arranged in the lens (7).

6. The binocular zoom mechanism of claim 1, wherein: the third lens device comprises an installation block (9) and a triangular prism (10), wherein the installation block (9) is installed on one side wall of the first groove (3) and the third groove (5) in a symmetrical and fixed mode, and the installation block (9) is installed on one side wall of the third groove in opposite directions and fixedly provided with the triangular prism (10).

7. The binocular zoom mechanism of claim 1, wherein: the second lens device includes mounting panel (13), first mounting groove (14), eyepiece (15), two same mounting panel (13) of lateral wall fixedly connected with in one side in opposite directions pull rod (12), first mounting groove (14) have been seted up to both sides wall central point symmetry about mounting panel (13), horizontal fixed mounting has eyepiece (15) in first mounting groove (14).