CN220357325U - Multifunctional lens - Google Patents

Abstract

The utility model provides a multifunctional lens, which belongs to the technical field of optical instruments and comprises a lens assembly, wherein the lens assembly comprises a handheld protective sleeve, a damping shaft is arranged at one end of the inner wall of the handheld protective sleeve, four rotating parts are arranged on the damping shaft, a first convex lens, a first concave lens, a second convex lens and a second concave lens are respectively arranged in the four rotating parts, one side close to the damping shaft is provided with a positioning part, and the positioning part is tightly attached to one side of the inner wall of the handheld protective sleeve.

Description

Multifunctional lens

Technical Field

The utility model mainly relates to the technical field of optical instruments, in particular to a multifunctional lens.

Background

The optical instrument is composed of a single or a combination of a plurality of optical devices. Optical instruments are mainly divided into two major categories, one is an imaging optical instrument, such as a slide projector, a camera and the like; the other type is virtual image forming optical instruments, such as telescopes, microscopes, magnifiers and the like, wherein the optical instruments are very important component types in the instrument industry, and are tools for observation, testing, analysis, control, recording and transmission which are indispensable in various fields of industrial and agricultural production, resource exploration, space exploration, scientific experiments, national defense construction and social life.

The lens is an optical element with a spherical surface part on the surface, the lens is composed of a silica gel lens, a PMMA lens, a PC lens and a glass lens, the lens is composed of a plurality of lenses, and the lens is composed of two types of plastic lenses and glass lenses.

Disclosure of Invention

The technical scheme of the utility model aims at the technical problem that the prior art is too single, provides a solution which is obviously different from the prior art, and particularly mainly provides a multifunctional lens which is used for solving the technical problem that a experimenter needs to hold several magnifying glasses with different focal lengths for observation when observing a large specimen in the prior art.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a multi-functional lens, includes the lens subassembly, the lens subassembly includes handheld lag, handheld lag inner wall one end is provided with the damping axle, be provided with four on the damping axle and rotate the piece, four it is provided with first convex lens, first concave lens, second convex lens and second concave lens respectively to rotate the piece, be close to damping axle one side is provided with the setting element, the setting element is hugged closely with handheld lag inner wall one side.

Further, each rotating piece comprises a middle part, a connecting part and an annular part, a damping layer on the inner wall of the connecting part is rotationally connected with a damping shaft, a spacer ring is arranged on the upper side of the connecting part, and a groove on the annular part is mutually matched with the corresponding side edge of the lens.

Further, the locating piece comprises a vertical portion, four horizontal portions are linearly arranged on one side of the vertical portion at equal intervals, and elastic protruding blocks are arranged on the lower side of each horizontal portion.

Further, the outer wall upside of handheld lag is provided with the screw hole, the screw hole meshing is connected with the butterfly bolt.

Further, a pull rope is arranged at the tail part of the handheld protective sleeve.

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

according to the utility model, through the handheld protective sleeve, the damping shaft, the rotating piece, the first convex lens, the first concave lens, the second convex lens, the second concave lens and the positioning piece, when an experimenter observes a large specimen, the first concave lens and the second convex lens with different focal lengths can be rotated out of the handheld protective sleeve to observe according to requirements, and the diopter can be changed by utilizing the cooperation between the convex lenses and the concave lenses, so that the focal length is changed accordingly, the purpose of regulating and controlling the visual field is achieved, the observation is carried out, the experimenter does not need to hold magnifying glasses with different focal lengths to observe the specimen, only one hand is needed, the other hand is liberated, the recording of data is convenient, the working efficiency is improved, and the handheld protective sleeve has a simple structure and a certain practical value.

The utility model will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the overall exploded structure of the present utility model;

fig. 3 is a schematic view of a rotor structure according to the present utility model.

In the figure: 1. a lens assembly; 11. a hand-held protective sleeve; 111. a threaded hole; 12. a damping shaft; 13. a rotating member; 131. an intermediate portion; 132. a connection part; 133. an annular portion; 134. a spacer ring; 14. a first convex lens; 15. a first concave lens; 16. a second convex lens; 17. a second concave lens; 18. a positioning piece; 181. a vertical portion; 182. a horizontal portion; 183. an elastic bump; 2. a pull rope; 3. a butterfly bolt.

Detailed Description

In order that the utility model may be more fully understood, a more particular description of the utility model will be rendered by reference to the appended drawings, in which several embodiments of the utility model are illustrated, but which may be embodied in different forms and are not limited to the embodiments described herein, which are, on the contrary, provided to provide a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly connected to one of ordinary skill in the art to which this utility model belongs, and the knowledge of terms used in the description of this utility model herein for the purpose of describing particular embodiments is not intended to limit the utility model, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-3, a multifunctional lens includes a lens assembly 1, the lens assembly 1 includes a handheld protective sleeve 11, a damping shaft 12 is disposed at one end of an inner wall of the handheld protective sleeve 11, four rotating members 13 are disposed on the damping shaft 12, a first convex lens 14, a first concave lens 15, a second convex lens 16 and a second concave lens 17 are disposed in the four rotating members 13, focal lengths of the two convex lenses are different, a positioning member 18 is disposed at one side of the lens assembly close to the damping shaft 12, and the positioning member 18 is tightly attached to one side of the inner wall of the handheld protective sleeve 11.

Through the structure, when an experimenter observes a large specimen, the diopter is changed by utilizing the cooperation between the convex lens and the concave lens, so that the focal length is changed along with the diopter, the purpose of regulating and controlling the visual field is achieved, the experimenter does not need to hold magnifying glasses with different focal lengths by two hands to observe the specimen, only one hand is needed, the other hand is liberated, the recording of data is convenient, the working efficiency is improved, the structure is simple, and the practical value is certain;

the specific operation is as follows, firstly, the butterfly bolt 3 is screwed out from the threaded hole 111, then, a convex lens with a proper focal length is selected, the hand-held protective sleeve 11 is rotated out through the rotating piece 13, the rotating angle is 180 degrees, the middle part 131 of the rotating piece 13 is extruded to the elastic protruding block 183, the middle part 131 is clamped between the adjacent horizontal parts 182 for positioning, and if the focal length of the whole lens needs to be changed, the concave lens can be rotated out to be matched with the convex lens for use.

Referring to fig. 1 and fig. 2, the positioning member 18 includes a vertical portion 181, four horizontal portions 182 are linearly disposed at equal intervals on one side of the vertical portion 181, an elastic bump 183 is disposed on each lower side of the horizontal portion 182, the middle portion 131 of the rotating member 13 is positioned by matching the elastic bump 183 with the horizontal portion 182, a threaded hole 111 is disposed on an upper side of an outer wall of the hand-held protective sleeve 11, the threaded hole 111 is engaged with and connected with a butterfly bolt 3, the four rotating members 13 are fully retracted into the hand-held protective sleeve 11 through the butterfly bolt 3, tightening is performed to prevent the rotating members from being rotated out, a pull rope 2 is disposed on a tail portion of the hand-held protective sleeve 11, and a force point is provided by the pull rope 2, so that the hand-held protective sleeve is convenient to take and carry.

Referring to fig. 1 and fig. 3, each rotating member 13 includes a middle portion 131, a connecting portion 132, and an annular portion 133, a damping layer on an inner wall of the connecting portion 132 is rotatably connected with the damping shaft 12, a spacer ring 134 is disposed on an upper side of the connecting portion 132, a groove on the annular portion 133 is mutually engaged with a corresponding side edge of the lens, the corresponding lens is rotated out of the handheld protective sleeve 11 through the rotating member 13, and the damping layer on the connecting portion 132 is matched with the damping shaft 12, so that the rotating member 13 is prevented from shaking, the rotating process is more stable and controllable, and the rotating members 13 are separated by the same distance under the action of the spacer ring 134, so that each rotating member 13 can be individually clamped into the positioning member 18 to be positioned.

While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the embodiments described above, but is intended to be within the scope of the utility model, as long as such insubstantial modifications are made by the method concepts and technical solutions of the utility model, or the concepts and technical solutions of the utility model are applied directly to other occasions without any modifications.

Claims (5)

1. The utility model provides a multi-functional lens, includes lens subassembly (1), lens subassembly (1) are including handheld lag (11), its characterized in that, handheld lag (11) inner wall one end is provided with damping axle (12), be provided with four on damping axle (12) and rotate piece (13), four be provided with first convex lens (14), first concave lens (15), second convex lens (16) and second concave lens (17) respectively in rotating piece (13), be close to damping axle (12) one side is provided with setting element (18), setting element (18) are hugged closely with handheld lag (11) inner wall one side.

2. A multi-functional lens according to claim 1, wherein each of the rotating members (13) comprises a middle portion (131), a connecting portion (132) and an annular portion (133), wherein a damping layer on the inner wall of the connecting portion (132) is in rotational connection with the damping shaft (12), a spacer ring (134) is arranged on the upper side of the connecting portion (132), and a groove on the annular portion (133) is mutually matched with the corresponding lens side edge.

3. A multi-function lens according to claim 1, wherein the positioning member (18) comprises a vertical portion (181), four horizontal portions (182) are linearly arranged at equal intervals on one side of the vertical portion (181), and an elastic bump (183) is arranged on the lower side of each horizontal portion (182).

4. A multi-functional lens according to claim 1, characterized in that the upper side of the outer wall of the hand-held protective sleeve (11) is provided with a threaded hole (111), and the threaded hole (111) is in engagement with a butterfly bolt (3).

5. A multi-function lens according to claim 4, wherein the tail of the hand-held protective sleeve (11) is provided with a pull rope (2).