CN207123492U - A kind of device for measuring liquid refractivity - Google Patents

Abstract

A kind of device for measuring liquid refractivity.Can solve the problems, such as light-shading effect difference existing for existing equipment and steadiness is low.Including hollow equilateral triangular prism made of three flat glass of optical clear；The hollow equilateral triangular prism lower surface and upper surface are sealedly connected with anticorrosion shading bottom plate and anticorrosion shading top plate respectively, form container, the edge of the anticorrosion shading bottom plate has additional lower shading eaves laterally, and the edge of anticorrosion shading top plate has additional shading eaves laterally；The anticorrosion shading top plate upper center is sprue gated, and inlet is provided with closure, and knob is connected with closure；The anticorrosion shading bottom plate lower surface is provided with embedding groove, and permanent magnet is fixed with embedding groove.Upper and lower positive and upper and lower lateral deviation face light-shading effect and steadiness can be improved.Anti- to splash operation very easy and extremely hygienic, will not make liquid touching to hand；It is simple in construction, novel, it is simple to operate, easy to use and practical.

Description

A kind of device for measuring liquid refractivity

Technical field

A kind of Experiments of Optics equipment is the utility model is related to, especially a kind of device for measuring liquid refractivity.

Background technology

Measurement for liquid refractivity, between glancing incidence method being used, it is necessary to two pieces of prisms will be clipped in liquid is surveyed, behaviour Liquid level can be mixed into a small amount of air between two prisms when making, and not be fixed easily, and measurement result is had a great influence；And for liquid refracting The measure of rate, the method for minimum deviation angle can be also used, the device now having on the market is a square groove, and space-consuming is larger, and compared with taking Material, also there are some using triangular groove shape structure, but these existing measuring refractive indexes of liquid equipment are present：Due to keeping away Light effect is poor, has the problem of invalid light is mixed into and then influences to test effect often, and steadiness is low, cause liquid injection, Easily occurs the problems such as internal liquid rocks spluttering when touching by mistake, especially corrosive liquids spluttering is even more serious.

The content of the invention

In order to solve the problems, such as that light-shading effect existing for existing equipment is poor and steadiness is low, the utility model proposes one kind The device of the measurement liquid refractivity of upper and lower positive and upper and lower lateral deviation face light-shading effect and steadiness, its specific skill can be improved Art scheme is as follows：

A kind of device for measuring liquid refractivity, including hollow equilateral triangular prism made of three flat glass of optical clear； The hollow equilateral triangular prism lower surface and upper surface are sealedly connected with anticorrosion shading bottom plate and anticorrosion shading top plate respectively, Forming container, the edge of the anticorrosion shading bottom plate has additional lower shading eaves laterally, and anticorrosion shading top plate Edge has additional shading eaves laterally；The anticorrosion shading top plate upper center is sprue gated, is set on inlet There is closure, knob is connected with closure；The anticorrosion shading bottom plate lower surface is provided with embedding groove, is fixed with embedding groove Permanent magnet.

The anticorrosion shading top plate is provided with neck, clamping limited location head in neck；On the anticorrosion shading top plate The through hole less than spacing head is provided with inlet, anticorrosion is drawstring through the through hole, and it is in one end of outside of containers It is connected with the spacing head, one end in container inside is connected with buffer one end, and buffer other end axis connection is being injected At the side of mouth edge and the remote through hole.

The buffer is U-shaped groove-like structure, and its slot-like opening is relative with inlet, and is removably connected with U-type groove Anticorrosion buffer subsystem.

The embedding groove is three, is opened in three edges of anticorrosion shading bottom plate respectively, and inside three embedding grooves It is respectively fixed with a permanent magnet.

One side wall of the hollow equilateral triangular prism is made of opaque shading material.

The beneficial effects of the utility model：Utilize anticorrosion shading bottom plate and the shaded effect of anticorrosion shading top plate, energy Enough effectively to improve influence of the positive upper and lower to test when special circumstances measure, lower shading eaves and upper shading eaves can be effective Raising when special circumstances are tested upper and lower face light partially inject liquid and produce after refraction on influence caused by measurement；Utilize metal The cooperation of test desk and permanent magnet, it can prevent that container movement occurs during fluid injection with the steadiness of the highly effective raising present apparatus Spluttering and touch the problems such as toppling over, come off of generation by mistake；Further, since the presence of buffer so that this product is being injected Liquid is the problem of will not splashing, and coordinates neck, spacing head and through hole so that it is anti-that to splash operation very easy, and It is extremely hygienic, liquid touching will not be made to hand；It is simple in construction, novel, it is simple to operate, easy to use and practical.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model；

Fig. 2 is anticorrosion shading top plate lower surface structural representation in the utility model；

In figure：The hollow equilateral triangular prisms of 1-, 2- anticorrosion shading bottom plates, 3- anticorrosion shading top plates, shading eaves under 4-, 5- Upper shading eaves, 6- inlets, 7- closures, 8- knobs, 9- embedding grooves, 10- permanent magnets, 11- necks, the spacing heads of 12-, 13- lead to Hole, 14- anticorrosion bracing wires, 15- buffers.

Embodiment

In order to make it easy to understand, the utility model is further illustrated with reference to Fig. 1 and Fig. 2：

Embodiment 1：It is a kind of measure liquid refractivity device, including made of three flat glass of optical clear it is hollow equilateral Triangular prism 1, that is, three side walls of container；The hollow equilateral lower surface of triangular prism 1 and upper surface are sealedly connected with respectively Anticorrosion shading bottom plate 2 and anticorrosion shading top plate 3, container is formed, utilizes anticorrosion shading bottom plate 2 and anticorrosion shading top plate 3 shaded effect, it can effectively avoid upper and lower illumination refraction and the reflective influence to measurement result of test desk；The anti-corrosion The edge of erosion shading bottom plate 2 has additional lower shading eaves 4 laterally, and the edge of anticorrosion shading top plate 3 is laterally Shading eaves 5 is had additional, due to having installed lower shading eaves 4 and upper shading eaves 5, can effectively avoid upper and lower side illumination from injecting After liquid, the generation of refractive effect measurement problem is produced；3 upper centers of the anticorrosion shading top plate sprue gated 6, are used for Liquid is injected into container；Inlet 6 is provided with closure 7, for cover buckle inlet 6, especially to measuring volatile liquid And irritant smell liquid when；Knob 8 is connected with closure 7, in order to be operated to closure 7；The anticorrosion hides The lower surface of optical substrate 2 is provided with embedding groove 9, and permanent magnet 10 is fixed with embedding groove 9, utilizes permanent magnet 10 fixed in embedding groove 9 Absorption can effectively improve the steadiness of this product on test desk.

Embodiment 2：Further, in order to improve the using effect of this product, prevent corrosive liquids when injecting Problem is splashed, the anticorrosion shading top plate 3 is provided with neck 11, for buckle spacing first 12；Clamping limited location in neck 11 First 12, spacing first 12 it can be taken out certainly by operating from neck 11；Close to injection on the anticorrosion shading top plate 3 It is provided with mouth 6 less than spacing first 12 through hole 13, that is to say, that spacing first 12 can not be directly through through hole 13；Anticorrosion bracing wire 14 Through the through hole 13, it is in one end of outside of containers and is connected with described spacing first 12, and one end in container inside is with delaying The connection of the one end of device 15 is rushed, this allows for anticorrosion bracing wire 14 can be by operating spacing first 12 come pull-up or putting down buffer 15 One end, when liquid injects, one end of buffer 15 can be put down, liquid is slowly poured on buffer 15, liquid is with buffering Device is slowly descending, avoids splashing；After liquid injects, in order to avoid influenceing to measure, it will be buffered by pull-up spacing first 12 One end pull-up of device 15, and consolidated buffer 15 by the way that spacing first 12 are fastened in neck 11；The other end axle of buffer 15 connects It is connected at the side of the edge of inlet 6 and the remote through hole 13, that is to say, that through hole 13 and one end of the axis connection of buffer 15 The relative both sides of inlet 6 are respectively at, in order to realize the pull-up of buffer 15, put down operation, and are easy to liquid from note , can be with approach buffer 15 when entrance 6 injects.

Embodiment 3：In order to make it easy to understand, the present embodiment further gives the structure of buffer 15, but this implementation Example is not intended that the structure of buffer 15 only in this way, the buffer 15 is U-shaped groove-like structure, utilizes U-shaped groove-like structure Two side walls, which can be blocked effectively, splashes liquid, and coordinates the inclination of buffer 15, preferably can prevent liquid from splashing； Its slot-like opening is relative with inlet 6, and anticorrosion buffer subsystem is removably connected with U-type groove.

Embodiment 4：Further, found after test of many times, firm effect is only lifted with the permanent magnet 10 of a bulk Fruit is simultaneously bad, harder when picking up because suction is larger, and the easily separation suddenly in force process, and causes liquid It is excessive, and firm point is in center, still easy run-off the straight, is this although container is not easy to translate into after touching The embedding groove 9 is set to three, is opened in three edges of anticorrosion shading bottom plate 2, and three inside points of embedding groove 9 respectively A permanent magnet 10 is not fixed with, can thus improve firm effect, it is when reducing easy obliquity, and picking up and effortless.

Embodiment 5：In order to more further improve the shaded effect of this product, reducing measurement influences, described hollow etc. One side wall of side triangular prism 1 is made of opaque shading material.

Beneficial effect：Add Glazed fence after, according to the law of refraction analysis understand, light by Glazed fence and without It is consistent to cross the direction walked during Glazed fence, then the introducing on the border has no effect on the measure of refractive index, so we can So that liquid to be fitted into triangular groove, principle and experimental procedure that the refractive index of prism is surveyed using the method for minimum deviation angle can determine The refractive index of liquid；It is simple in construction, novel, it is simple to operate, easy to use and practical；It is poor effectively to solve light-shading effect And steadiness it is low the problem of.

Claims (5)

1. a kind of device for measuring liquid refractivity, including hollow equilateral triangular prism made of three flat glass of optical clear（1）, It is characterized in that：The hollow equilateral triangular prism（1）Lower surface and upper surface are sealedly connected with anticorrosion shading bottom plate respectively（2） And anticorrosion shading top plate（3）, form container, the anticorrosion shading bottom plate（2）Edge have additional lower screening laterally Light eaves（4）, and anticorrosion shading top plate（3）Edge have additional shading eaves laterally（5）；The anticorrosion shading top Plate（3）Upper center is sprue gated（6）, inlet（6）It is provided with closure（7）, closure（7）On be connected with knob（8）； The anticorrosion shading bottom plate（2）Lower surface is provided with embedding groove（9）, embedding groove（9）In be fixed with permanent magnet（10）.

A kind of 2. device for measuring liquid refractivity as claimed in claim 1, it is characterised in that：The anticorrosion shading top plate （3）It is provided with neck（11）, neck（11）Middle clamping limited location head（12）；The anticorrosion shading top plate（3）Upper close injection Mouthful（6）Place is provided with less than spacing head（12）Through hole（13）, anticorrosion bracing wire（14）Through the through hole（13）, it is in container The one end in outside and the spacing head（12）Connection, one end and buffer in container inside（15）One end connects, buffer （15）Other end axis connection is in inlet（6）Edge and the remote through hole（13）Side at.

A kind of 3. device for measuring liquid refractivity as claimed in claim 2, it is characterised in that：The buffer（15）For U Type groove-like structure, its slot-like opening and inlet（6）Relatively, and in U-type groove it is removably connected with anticorrosion buffer subsystem.

A kind of 4. device for measuring liquid refractivity as claimed in claim 1, it is characterised in that：The embedding groove（9）For three It is individual, anticorrosion shading bottom plate is opened in respectively（2）Three edges, and three embedding grooves（9）Inside is respectively fixed with one forever Magnet（10）.

A kind of 5. device for measuring liquid refractivity as claimed in claim 1, it is characterised in that：The hollow equilateral triangular prism （1）A side wall be made of opaque shading material.