CN209980600U

CN209980600U - Lens imaging optical bench

Info

Publication number: CN209980600U
Application number: CN201920621052.9U
Authority: CN
Inventors: 靳延
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2020-01-21
Anticipated expiration: 2029-04-30

Abstract

The utility model discloses a lens formation of image optical bench, but including luminous mechanism, convex lens, be used for the projecting formation of image board and the installing support of convex lens formation of image, luminous mechanism, convex lens and formation of image board translation setting are in on the installing support, luminous mechanism has the luminous body that forms certain pattern, be provided with on luminous mechanism and the formation of image board and be used for the volume to get the scale sign of luminous body or convex lens formation of image. The utility model provides a lens formation of image optical bench that can demonstrate convex lens formation of image characteristics.

Description

Lens imaging optical bench

Technical Field

The utility model belongs to the technical field of the teaching demonstration instrument, especially, lens formation of image optical bench.

Background

Optical knowledge is a very important part of the learning content of middle school, and comprises a convex lens mirror imaging knowledge point. The convex lens imaging is characterized in that: the object is placed outside the focus, an inverted real image is formed on the other side of the convex lens, the real image is reduced, equally large and enlarged, and the smaller the object distance, the larger the image distance and the larger the real image. However, in the process of learning convex lens imaging, at present, no proper demonstration teaching aid can intuitively demonstrate the relationship between the reduction, the equi-size, the amplification phenomenon and the object distance of a real image, and is unfavorable for students to learn and understand the characteristics of convex lens imaging.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a lens imaging optical bench which can demonstrate the imaging characteristics of a convex lens.

In order to realize the purpose, the utility model discloses a technical scheme is: the utility model provides a lens formation of image optical bench, includes light-emitting mechanism, convex lens, is used for the projecting formation of image board and the installing support of convex lens formation of image, but light-emitting mechanism, convex lens and formation of image board translation set up on the installing support, light-emitting mechanism has the luminous body that forms certain pattern, be provided with the scale sign that is used for volume measuring luminous body or convex lens formation of image on light-emitting mechanism and the formation of image board.

By adopting the scheme, the light-emitting mechanism, the convex lens and the imaging plate for imaging and projecting the convex lens are sequentially arranged on the mounting frame in the same horizontal straight line mode, the light-emitting body is lightened, the distance between the light-emitting mechanism and the convex lens is adjusted, the distance between the imaging plate and the convex lens is adjusted to observe the change condition of the imaging size of the convex lens on the imaging plate, and the relation between the imaging of the convex lens and the change of the distance is explored.

As a further arrangement of the utility model, the mounting bracket comprises a plurality of sliding blocks which are arranged along a straight line in a sliding way, the sliding block is provided with a structure for fixedly installing an optical element, a length scale is fixedly arranged along one side of the sliding track of the sliding block, the mounting bracket is provided with a guide rail and a guide rail mounting seat, two ends of the guide rail are fixedly mounted on the guide rail mounting seat, the sliding blocks are arranged on the guide rail in a sliding way along the axial direction of the guide rail to form a mounting bracket, the mounting bracket is provided with a pair of guide rails and a pair of guide rail mounting seats, the pair of guide rails are arranged in parallel, two ends of the pair of guide rails are respectively fixed on the pair of guide rail mounting seats, the sliding block is provided with mounting holes which are in clearance fit with the pair of guide rails, and the sliding block is matched with the pair of guide rails through the mounting holes and is arranged on the pair of guide rails in a sliding manner along the axial direction of the guide rails.

By adopting the scheme, the mounting bracket is simple in structure, more convenient to mount and convenient to operate and implement.

As the utility model discloses a further setting, luminous mechanism, convex lens and formation of image board can be dismantled and set up and be in on the slider of installing support. Can pass through, the slot that the slider upper surface was equipped with the recess and constitutes fixed mounting optical element's structure, the lower extreme of luminous mechanism, convex lens and formation of image board is equallyd divide do not be equipped with the slice that the slot matches is participated in, luminous mechanism, convex lens and formation of image board through participate in with the slot cooperation constitutes can dismantle the setting. Or pass through, the slider upper surface is equipped with the location jack that the blind hole constitutes fixed mounting optical element's structure, the lower extreme of luminous mechanism, convex lens and formation of image board equally divide do not be equipped with the inserted bar that the location jack matches, luminous mechanism, convex lens and formation of image board pass through the inserted bar with the cooperation of location jack constitutes can dismantle the setting.

By adopting the scheme, the light-emitting mechanism, the convex lens and the imaging plate can be conveniently installed on the sliding block and are convenient to disassemble, assemble and replace.

As a further setting of the utility model, the whole shape of guide rail mount pad is trapezoidal, the both ends that the guide rail mount pad is close to upper portion be equipped with the connecting hole that a pair of guide rail both ends clearance matches, insert respectively a pair of guide rail both ends in the connecting hole of guide rail mount pad, the both ends of length scale are fixed on the side of guide rail both ends guide rail mount pad.

By adopting the scheme, the structure is simple, the guide rail mounting seat and the guide rail can be conveniently mounted, and the length scale is fixed on the side surface of the guide rail mounting seat and is convenient to observe.

As a further setting of the utility model, the lateral wall of guide rail mount pad is formed with the portion of gripping that the operating personnel of being convenient for took, the portion of gripping is circular-arc to the indent.

By adopting the scheme, the mounting bracket is convenient to integrally move and hold, and is convenient to take.

The present invention will be further described with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic exterior view of an embodiment of the present invention;

fig. 2 is an external view of an imaging plate according to an embodiment of the present invention;

fig. 3 is an external view of a lighting mechanism according to an embodiment of the present invention;

FIG. 4 is a schematic view of a convex lens according to an embodiment of the present invention;

FIG. 5 is a schematic view of an embodiment of a slider;

fig. 6 is an appearance schematic diagram of the guide rail mounting seat in the embodiment of the present invention.

Detailed Description

The specific embodiment of the utility model is shown in fig. 1-6, a lens imaging optical bench, including luminous mechanism 1, convex lens 2, be used for the projected formation of image board 3 and the installing support 4 of convex lens 2 formation of image, luminous mechanism 1, convex lens 2 and formation of image board 3 translation setting are in on the installing support 4, luminous mechanism 1 has the luminous body that forms certain pattern, and the luminous body in this embodiment has a plurality of LED luminescence chip to arrange and form, be provided with scale mark (101, 301) that are used for the volume to get luminous body or convex lens 2 formation of image on luminous mechanism 1 and the formation of image board 3, the scale numerical value of scale mark (101, 301) is preferred to be enlarged to both sides by the centre, and its purpose is the size of formation of image of convenient for observe.

The mounting bracket 4 comprises a plurality of sliding blocks 401, the plurality of sliding blocks 401 are slidably arranged along a straight line, the slider 401 is provided with a structure for fixedly mounting an optical element, a length scale 402 is fixedly arranged along one side of the sliding track of the slider 401, the mounting bracket 4 is provided with a guide rail 403 and a guide rail mounting seat 404, two ends of the guide rail 403 are fixedly mounted on the guide rail mounting seat 404, the plurality of sliding blocks 401 are slidably arranged on the guide rail 403 along the axial direction of the guide rail 403 to form a mounting bracket 4, the mounting bracket 4 is provided with a pair of guide rails 403 and a pair of guide rail mounting seats 404, the pair of guide rails 403 are arranged in parallel, two ends of the pair of guide rails 403 are respectively fixed on the pair of guide rail mounting seats 404, the slide block 401 is provided with an installation hole 4011 which is in clearance fit with the pair of guide rails 403, the slider 401 is engaged with the pair of guide rails 403 through the mounting hole 4011 and is disposed on the pair of guide rails 403 slidably in the axial direction of the guide rails 403.

In the present embodiment, the light emitting mechanism 1, the convex lens 2, and the imaging plate 3 are detachably provided on the slider 401 of the mounting bracket 4.

The slider 401 upper surface is equipped with slot 4012 that the recess constitutes the structure of fixed mounting optical element, the lower extreme of formation of image board 3 be equipped with slice that slot 4012 matches is participated in 302, formation of image board 3 through slice participate in 302 with slot 4012 cooperation constitutes can dismantle the setting.

Slider 401 upper surface is equipped with the location jack 4013 that the blind hole constitutes fixed mounting optical element's structure, the lower extreme of light-emitting mechanism 1, convex lens 2 is equallyd divide be equipped with respectively with the inserted bar (102, 201) that location jack 4013 matches, light-emitting mechanism 1, convex lens 2 and imaging plate 3 pass through inserted bar (102, 201) with location jack 4013 cooperation constitutes can dismantle the setting.

In this embodiment, the overall shape of the rail mounting base 404 is a trapezoid, two ends of the rail mounting base 404 near the upper portion are provided with connecting holes 4041 which are in clearance fit with two ends of the pair of guide rails 403, two ends of the pair of guide rails 403 are respectively inserted into the connecting holes 4041 of the rail mounting base 404, and two ends of the length scale 402 are fixed on the side surfaces of the rail mounting base 404 at two ends of the guide rails 403.

The side wall of the guide rail mounting seat 404 is formed with a holding portion 4042 which is convenient for an operator to take, and the holding portion 4042 is in an arc shape which is concave inwards.

The utility model discloses do not confine the above-mentioned embodiment to, the general technical personnel in this field can adopt other multiple embodiments to implement according to the utility model discloses a, perhaps all adopt the utility model discloses a design structure and thinking do simple change or change, all fall into the utility model discloses a protection scope.

Claims

1. A lens imaging optical bench characterized by: including luminous mechanism, convex lens, be used for the projecting formation of image board and the installing support of convex lens formation of image, but luminous mechanism, convex lens and the setting of formation of image board translation are in on the installing support, luminous mechanism has the luminous body that forms certain pattern, be provided with the scale sign that is used for getting luminous body or convex lens formation of image on luminous mechanism and the formation of image board.

2. The lens imaging optical bench of claim 1 wherein: the mounting bracket comprises a plurality of sliding blocks which are arranged along a straight line in a sliding way, the sliding blocks are provided with structures for fixedly mounting optical elements, a length scale is fixedly arranged along one side of the sliding track of the sliding blocks, the mounting bracket is provided with a guide rail and a guide rail mounting seat, two ends of the guide rail are fixedly mounted on the guide rail mounting seat, the sliding blocks are arranged on the guide rail in a sliding way along the axial direction of the guide rail to form a mounting bracket, the mounting bracket is provided with a pair of guide rails and a pair of guide rail mounting seats, the pair of guide rails are arranged in parallel, two ends of the pair of guide rails are respectively fixed on the pair of guide rail mounting seats, the sliding block is provided with mounting holes which are in clearance fit with the pair of guide rails, and the sliding block is matched with the pair of guide rails through the mounting holes and is arranged on the pair of guide rails in a sliding manner along the axial direction of the guide rails.

3. The lens imaging optical bench of claim 2 wherein: the light-emitting mechanism, the convex lens and the imaging plate are detachably arranged on the sliding block of the mounting bracket.

4. The lens imaging optical bench of claim 3 wherein: the slider upper surface is equipped with the slot that the recess constitutes fixed mounting optical element's structure, the lower extreme of luminous mechanism, convex lens and formation of image board is equallyd divide do not be equipped with the slice that the slot matches is participated in, luminous mechanism, convex lens and formation of image board through participating in with the slot cooperation constitutes can dismantle the setting.

5. The lens imaging optical bench of claim 3 wherein: the slider upper surface is equipped with the location jack that the blind hole constitutes fixed mounting optical element's structure, the lower extreme of luminous mechanism, convex lens and formation of image board is equallyd divide do not be equipped with the inserted bar that the location jack matches, luminous mechanism, convex lens and formation of image board pass through the inserted bar with the cooperation of location jack constitutes can dismantle the setting.

6. The lens imaging optical bench of claim 2 wherein: the whole shape of the guide rail installation seat is trapezoidal, connecting holes which are matched with gaps of two ends of the pair of guide rails are formed in two ends, close to the upper portion, of the guide rail installation seat, two ends of the pair of guide rails are inserted into the connecting holes of the guide rail installation seat respectively, and two ends of the length scale are fixed on the side faces of the guide rail installation seats at two ends of the guide rails.

7. The lens imaging optical bench of claim 6 wherein: the lateral wall of guide rail mount pad is formed with the portion of gripping of being convenient for operating personnel to take, the portion of gripping is the circular-arc of indent.