CN209356404U

CN209356404U - A kind of experimental provision measuring glass refraction

Info

Publication number: CN209356404U
Application number: CN201822157468.8U
Authority: CN
Inventors: 陈奕丞
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-21
Filing date: 2018-12-21
Publication date: 2019-09-06
Anticipated expiration: 2028-12-21

Abstract

The utility model discloses a kind of experimental provisions for measuring glass refraction, the sliding slot internal slide of the front surface of pedestal is equipped with Distance positioning component, the equal fixing assembling in left side front and rear sides of pedestal has vertical bar, the outside sliding sleeve of vertical bar is connected to first sleeve, the equal fixing assembling in the right side of two first sleeves has pressurizing unit, the right side lower end fixing assembling of first sleeve has loading plate, the outer upper end sliding sleeve of vertical bar is connected to second sleeve, the right side fixing assembling of second sleeve has inclined plate, fixation is plugged with flashlight on the right side of the upper surface of inclined plate, fixing assembling has light source to adjust component on the right side of the lower surface of inclined plate, the present apparatus is marked light source offset distance using Distance positioning component auxiliary, it is convenient that light source deviation angle is measured, the present apparatus adjusts component using light source simultaneously, it is rectangle the shape adjustment of light source, make Light source edge is apparent, the convenient measurement to light source deviation angle.

Description

A kind of experimental provision measuring glass refraction

Technical field

The utility model relates to experimental provision technical field, specially a kind of experimental provision for measuring glass refraction.

Background technique

After passing through glass certain refraction can occur for light, have the refractive index for carrying out glass sight to look into and measure in Physical Experiment This, is usually measured using the light source deviation post after the direct birefringence of tool in measurement process, and this measurement is led Cause the measurement of light source offset distance not accurate enough, so that the refractive index measured has error, while the light source form that refraction has is indefinite, Inconvenience measures offset distance, and in order to solve the above process, we have proposed a kind of experiments for measuring glass refraction Device.

Utility model content

The purpose of this utility model is to provide a kind of experimental provisions for measuring glass refraction, to solve above-mentioned background skill The problem of being proposed in art.

To achieve the above object, the utility model provides the following technical solutions: a kind of experiment dress measuring glass refraction It sets, including pedestal, laterally offers sliding slot on the right side of the front surface of the pedestal, the internal slide of the sliding slot is equipped with distance Positioning component, the front surface of the pedestal are carved with the first scale, and the equal fixing assembling in left side front and rear sides of the pedestal has perpendicular Bar, the front surface of the vertical bar are carved with the second scale, and the outer middle side part of the vertical bar has been slidably socketed first sleeve, and described first The left side of sleeve is bolted with the first bolt, and the right end of the first bolt is fitted closely with vertical bar, two first sleeves The equal fixing assembling in right side has pressurizing unit, and the right side lower end fixing assembling of the first sleeve has loading plate, and loading plate Upper surface fixing assembling have rubber layer, glass plate has been gripped between the pressurizing unit and rubber layer, the vertical bar Outer upper end sliding sleeve is connected to second sleeve, and the left side of the second sleeve is bolted with the second bolt, and the right side of the second bolt End is fitted closely with vertical bar, and the right side fixing assembling of two second sleeves has inclined plate, and inclined plate right end tilts upwards, institute The upper surface Right vertical for stating inclined plate, which is fixed, is plugged with flashlight, and fixing assembling has light source adjusting on the right side of the lower surface of the inclined plate Component；

The Distance positioning component includes sliding block, and for the sliding block slidable fit in sliding slot, the front surface of the sliding block is solid Surely it is equipped with rectangular slab, it includes connecting rod that the light source, which adjusts component, and the quantity of connecting rod is two, and the connecting rod is vertical Fixing assembling is in the lower surface of inclined plate, and the lower end fixing assembling of two connecting rods has disk, and disk is located at flashlight Underface, the disk is parallel with inclined plate, and the upper surface middle part of the disk offers rectangular through-hole.

Preferably, the pressurizing unit includes mounting plate, and mounting plate fixing assembling is in the right side upper end of first sleeve, The upper surface of the mounting plate is bolted with screw rod, and the lower end fixing assembling of the screw rod has stripper plate.

Preferably, the uniform fixing assembling in lateral surface upper end of the screw rod has fixed-wing, and the quantity of fixed-wing is four.

Preferably, the axial line of the flashlight and vertical direction angle are α.

Compared with prior art, the utility model has the beneficial effects that the utility model devises a kind of measurement glass folding The experimental provision of rate is penetrated, the present apparatus is marked light source offset distance using Distance positioning component auxiliary, convenient inclined to light source It moves angle to measure, error present in measurement process is reduced, while the present apparatus adjusts component using light source, the shape of light source Shape is adjusted to rectangle, so that light source edge is apparent, the convenient measurement to light source deviation angle is further reduced in measurement process There is the possibility of error.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model.

Fig. 2 is to overlook to cut open figure at B-B ' in the utility model Fig. 1.

Fig. 3 is structural representation enlarged drawing at a in the utility model Fig. 1.

Fig. 4 is that rectangular through-hole opens up structural schematic diagram in the utility model.

In figure: 1 pedestal, 2 sliding slots, 3 Distance positioning components, 31 sliding blocks, 32 rectangular slabs, 33 connecting plates, 4 first scales, 5 are erected Bar, 6 second scales, 7 first sleeves, 8 first bolts, 9 pressurizing units, 91 mounting plates, 92 screw rods, 93 stripper plates, 94 fixed-wings, 10 loading plates, 11 rubber layers, 12 glass plates, 13 second sleeves, 14 second bolts, 15 inclined plates, 16 flashlights, 17 light source adjusting groups Part, 171 connecting rods, 172 disks, 173 rectangular through-holes.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1, Fig. 2, Fig. 3 and Fig. 4 are please referred to, the utility model provides a kind of technical solution: a kind of measurement glass refraction Experimental provision, including pedestal 1 laterally offers sliding slot 2 on the right side of the front surface of pedestal 1, and the internal slide of sliding slot 2 is equipped with Distance positioning component 3, the front surface of pedestal 1 are carved with the first scale 4, and the equal fixing assembling in left side front and rear sides of pedestal 1 has perpendicular Bar 5, the front surface of vertical bar 5 are carved with the second scale 6, and the outer middle side part of vertical bar 5 has been slidably socketed first sleeve 7, first sleeve 7 Left side is bolted with the first bolt 8, and the right end of the first bolt 8 is fitted closely with vertical bar 5, the right side of two first sleeves 7 Equal fixing assembling has pressurizing unit 9, and the right side lower end fixing assembling of first sleeve 7 has loading plate 10, and loading plate 10 is upper Surface fixing assembling has rubber layer 11, and glass plate 12, the outside of vertical bar 5 have been gripped between pressurizing unit 9 and rubber layer 11 Upper end sliding sleeve is connected to second sleeve 13, and the left side of second sleeve 13 is bolted with the second bolt 14, and the right side of the second bolt 14 End is fitted closely with vertical bar 5, and the right side fixing assembling of two second sleeves 13 has an inclined plate 15, and 15 right end of inclined plate is to updip Tiltedly, the upper surface Right vertical of the inclined plate 15 is fixed is plugged with flashlight 16, there is fixing assembling on the right side of the lower surface of inclined plate 15 Light source adjusts component 17；

Flashlight 16 used in the present embodiment is LED feux rouges flashlight, and model GM7009-9L, feux rouges is more convenient to be surveyed Amount person's observation and measurement.

As described in Figure 1, vertical bar 5 is rectangular shaft, and first sleeve 7 and 13 cross section of second sleeve are straight-flanked ring, sliding the One sleeve 7, so that rectangular slab 32 is located at the front side of glass plate 12,32 rear surface of rectangular slab is fitted closely with glass plate 12, convenient It measures light source and projects position from glass plate 12, adjust 13 position of second sleeve, so that the hot spot fallen on glass plate 12 is in most Clear state, is convenient for measuring.

The Distance positioning component 3 includes sliding block 31,31 slidable fit of sliding block in sliding slot 2, the sliding block 31 Front surface fixing assembling has rectangular slab 32.

The left side of rectangular slab 32 is rectangle, and the left side of rectangular slab 32 is parallel with vertical bar 5, when measuring light source from glass When the injection position of plate 12, slides light source on rectangular slab 32 left side to glass plate 12 and project at place-centric, at this time rectangular slab The shortest distance is A between 32 left sides and vertical bar 5, rectangular slab 32 is slided again, so that the left side of rectangular slab 32 is located at glass On plate 12 at light source incidence point center, the shortest distance is B between 32 side of rectangular slab and vertical bar 5 at this time, if light source refraction retrodeviates Moving distance is C, meets C=A-B, by the second scale 6 measurement glass plate 12 with a thickness of D.

It includes connecting rod 171 that light source, which adjusts component 17, and the quantity of connecting rod 171 is two, and connecting rod 171 is vertically fixed It is assemblied in the lower surface of inclined plate 15, the lower end fixing assembling of two connecting rods 171 has disk 172, and disk 172 is located at flashlight 16 underface, disk 172 is parallel with inclined plate 15, and the upper surface middle part of disk 172 offers rectangular through-hole 173.

The light source that flashlight 16 projects is blocked completely by disk 172, and some light passes through from rectangular through-hole 173, so that light Source is more concentrated, and is convenient for measuring.

Specifically, pressurizing unit 9 includes mounting plate 91, and 91 fixing assembling of mounting plate is in the right side of first sleeve 7 Upper end, the upper surface of mounting plate 91 are bolted with screw rod 92, and the lower end fixing assembling of screw rod 92 has stripper plate 93.

Glass plate 12 is placed in the rubber layer 11 of two loading plates 10, and 93 circular slabs of stripper plate, material is rubber, is led to Cross rotation screw rod 92 drive stripper plate 93 rotation move down, until stripper plate 93 tightly until being extruded on glass plate 12, realize To gripping for glass plate 12, different glass plates 12 can be replaced, and cooperates loading plate 10 to be pressed from both sides using pressurizing unit 9 Fixation is held, is gripped using with the glass plate 12 to 3~7 centimetres.

Specifically, the uniform fixing assembling in lateral surface upper end of screw rod 92 has fixed-wing 94, and the quantity of fixed-wing 94 is Four, fixed-wing 94 is the wing steel disc being fixed on screw rod 92, facilitates rotary screw 92.

Specifically, the axial line of flashlight 16 and vertical direction angle are α, when light is irradiated on glass plate 12, Incident angle is itself and vertical direction angle, is worth for α, according to refractive index formula n=sin incidence angle/sin angle of emergence, Incidence angle is α, the angle of emergence=arctanC/D, therefore refractive index n=sin α/sin arctanC/D in embodiment.

Working principle: when using the present apparatus, the power supply of flashlight 16 is opened, first sleeve 7 is slided, so that rectangular slab 32 In the front side of glass plate 12,32 rear surface of rectangular slab is fitted closely with glass plate 12, is convenient for measuring light source and is projected from glass plate 12 Position adjusts 13 position of second sleeve and is convenient for measuring, flashlight so that the hot spot fallen on glass plate 12 is in clearest state The light source that cylinder 16 projects is blocked completely by disk 172, and some light passes through from rectangular through-hole 173, so that light source is more concentrated, when When measuring light source from the injection position of glass plate 12, slides light source on rectangular slab 32 left side to glass plate 12 and project place-centric Place, the shortest distance is A between 32 left side of rectangular slab and vertical bar 5 at this time, rectangular slab 32 is slided again, so that a left side for rectangular slab 32 Side is located on glass plate 12 at light source incidence point center, and the shortest distance is B between 32 side of rectangular slab and vertical bar 5 at this time, if Offset distance is C after light source refraction, meets C=A-B, by the second scale 6 measure glass plate 12 with a thickness of D, it is convenient to setting Offset distance measures after light source refraction, reduces error present in measurement process, while the present apparatus utilizes light source adjusting group Part 17, the more concentration that light source is adjusted, so that light source is apparent, the measurement of offset distance after the convenient refraction to light source, into one Step, which is reduced in measurement process, there is the possibility of error.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims

1. a kind of experimental provision for measuring glass refraction, it is characterised in that: including pedestal (1), the front surface of the pedestal (1) Right side laterally offers sliding slot (2), and the internal slide of the sliding slot (2) is equipped with Distance positioning component (3), the pedestal (1) front surface is carved with the first scale (4), and the equal fixing assembling in left side front and rear sides of the pedestal (1) has vertical bar (5), institute The front surface for stating vertical bar (5) is carved with the second scale (6), and the outer middle side part of the vertical bar (5) has been slidably socketed first sleeve (7), The left side of the first sleeve (7) is bolted with the first bolt (8), and the right end of the first bolt (8) and vertical bar (5) are closely pasted It closes, the equal fixing assembling in right side of two first sleeves (7) has pressurizing unit (9), the right side of the first sleeve (7) Lower end fixing assembling has loading plate (10), and the upper surface fixing assembling of loading plate (10) has rubber layer (11), the extruding dress It sets and has gripped glass plate (12) between (9) and rubber layer (11), the outer upper end sliding sleeve of the vertical bar (5) is connected to second The left side of sleeve (13), the second sleeve (13) is bolted with the second bolt (14), and the right end of the second bolt (14) and perpendicular Bar (5) fits closely, and the right side fixing assembling of two second sleeves (13) has inclined plate (15), and inclined plate (15) right end to The upper surface Right vertical fixation of upper inclination, the inclined plate (15) is plugged with flashlight (16), the lower surface of the inclined plate (15) Right side fixing assembling has light source to adjust component (17)；

The Distance positioning component (3) includes sliding block (31), and sliding block (31) slidable fit is in sliding slot (2), the sliding block (31) front surface fixing assembling has rectangular slab (32), and it includes connecting rod (171) that the light source, which adjusts component (17), and connecting rod (171) quantity is two, and the vertical fixing assembling of the connecting rod (171) is in the lower surface of inclined plate (15), two connections The lower end fixing assembling of bar (171) has disk (172), and disk (172) is located at the underface of flashlight (16), the disk (172) parallel with inclined plate (15), the upper surface middle part of the disk (172) offers rectangular through-hole (173).

2. a kind of experimental provision for measuring glass refraction according to claim 1, it is characterised in that: the pressurizing unit It (9) include mounting plate (91), and mounting plate (91) fixing assembling is in the right side upper end of first sleeve (7), the mounting plate (91) upper surface is bolted with screw rod (92), and the lower end fixing assembling of the screw rod (92) has stripper plate (93).

3. a kind of experimental provision for measuring glass refraction according to claim 2, it is characterised in that: the screw rod (92) The uniform fixing assembling in lateral surface upper end have fixed-wing (94), and the quantity of fixed-wing (94) be four.

4. a kind of experimental provision for measuring glass refraction according to claim 1, it is characterised in that: the flashlight (16) axial line and vertical direction angle is α.