Microscopic transmittance measuring instrument convenient for replacing light source

Abstract

The utility model belongs to the technical field of spectrum detection, and particularly relates to a microscopic transmittance measuring instrument convenient for replacing a light source, which comprises a base, the upper end of the base is fixedly connected with a support frame, the rear end of the support frame is fixedly connected with a connecting fixing piece, and the connecting fixing piece is provided with a first rotating rod. A first rotating rod is arranged on the supporting frame, the first rotating rod penetrates through the connecting fixing piece and is rotationally connected with the connecting fixing piece, a first bevel gear is fixedly connected to the lower end of the first rotating rod, a second rotating rod is arranged on the supporting frame, penetrates through the supporting frame and is rotationally connected with the supporting frame, and a second bevel gear is fixedly connected to the rear end of the second rotating rod; and the second bevel gear is meshed with the first bevel gear. The light source firmware switching device has the advantages that the light source firmware switching device can rapidly and conveniently switch among three kinds of light source firmware with different strong and weak specifications when light transmission detection is carried out on a detection piece, so that comparison test can be carried out more conveniently, and the detection efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of spectrum detection technology especially, relate to a microscopic transmission measurement appearance of convenient replacement light source. BACKGROUND

[0002] Microscopic transmission measurement instrument (Microscopic Transmission Measurement Instrument) is a kind of instrument for accurately measuring the light transmission of material, usually used in scientific research, material science, optics field etc. Its working principle is based on the transmission of light or other electromagnetic waves through material sample to measure transmission, that is, how much light (or other wavelength radiation) can pass through sample without being absorbed or reflected.

[0003] The light source of the existing microscopic transmission measurement instrument is mostly fixedly installed on the instrument, needs to replace and dismount light source when needing different intensity light source test, so that it is very tedious when carrying out sample on the light transmission contrast test of different intensity light source, and the detection efficiency is influenced.

[0004] To solve the above problems, a kind of microscopic transmission measurement appearance of convenient replacement light source is proposed. INVENTION CONTENTS

[0005] The utility model aims at solving the problem in the background art and proposes a kind of microscopic transmission measurement appearance of convenient replacement light source.

[0006] To achieve the above object, the utility model adopts the following technical scheme: a kind of microscopic transmission measurement appearance of convenient replacement light source, including base, the upper end of the base is fixedly connected with support frame, the rear end of the support frame is fixedly connected with connecting fastener, first rotating lever is equipped on the connecting fastener, the first rotating lever penetrates connecting fastener and is rotationally connected with it, the lower end of the first rotating lever is fixedly connected with first bevel gear, second rotating lever is equipped on the support frame, the second rotating lever penetrates support frame and is rotationally connected with it, the rear end of the second rotating lever is fixedly connected with second bevel gear, the second bevel gear is engaged with first bevel gear, the front end of the second rotating lever is fixedly connected with knob.

[0007] In the above-mentioned one kind of microscopic transmission measurement appearance of convenient replacement light source, the upper end of the first rotating lever is fixedly connected with fixed disc, the cylindrical surface of the fixed disc is fixedly connected with three installation rods.

[0008] In the above-mentioned one kind of microscopic transmission measurement appearance of convenient replacement light source, each installation rod is equipped with installation slot, each installation slot is equipped with first magnetic attraction piece, each installation slot is equipped with light source fastener, the upper end of each light source fastener is fixedly connected with second magnetic attraction piece.

[0009] In the micro-transmittance measuring instrument convenient for replacing light sources, the support frame is provided with a light transmission cylinder.

[0010] In the micro-transmittance measuring instrument convenient for replacing light sources, the front end of the support frame is fixedly connected with an extension plate, and the upper end of the extension plate is provided with a light source detector.

[0011] In the micro-transmittance measuring instrument convenient for replacing light sources, the lower end of the support frame is fixedly connected with four anti-skid foot pads.

[0012] Compared with the prior art, the micro-transmittance measuring instrument convenient for replacing light sources has the advantages that:

[0013] The light source fixture can be installed in different specifications of light intensity in the three mounting grooves, different specifications of light source fixtures are switched by rotating the knob to irradiate the detection piece, and the light transmittance of the detection piece under irradiation of light of different intensities is detected and observed.

[0014] In conclusion, the micro-transmittance measuring instrument convenient for replacing light sources can quickly and conveniently switch among three different specifications of light source fixtures during light transmittance detection of the detection piece, so that contrast testing is more convenient, and detection efficiency is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 The micro-transmittance measuring instrument convenient for replacing light sources is a structure schematic view of the utility model;

[0016] Fig. 2 The micro-transmittance measuring instrument convenient for replacing light sources is a side structure schematic view of the utility model;

[0017] Fig. 3 The micro-transmittance measuring instrument convenient for replacing light sources is a partial split structure schematic view of the utility model.

[0018] In the drawings: 1 base, 2 support frame, 3 connecting fixture, 4 first rotating rod, 5 first bevel gear, 6 second rotating rod, 7 second bevel gear, 8 knob, 9 fixed disc, 10 mounting rod, 11 mounting groove, 12 first magnetic block, 13 light source fixture, 14 second magnetic block, 15 light transmission cylinder, 16 extension plate, 17 light source detector, 18 anti-skid foot pad. DETAILED DESCRIPTION

[0019] Clearly, the described embodiments are merely a part of the embodiments of the present utility model, rather than all the embodiments.

[0020] With reference to Figs. 1-3 A microtransmissivity measuring instrument convenient for replacing light sources, comprising a base 1, the upper end of the base 1 being fixedly connected with a support frame 2, the rear end of the support frame 2 being fixedly connected with a connecting fastener 3, the connecting fastener 3 being provided with a first rotating rod 4, the first rotating rod 4 penetrating through the connecting fastener 3 and being rotatably connected therewith, the lower end of the first rotating rod 4 being fixedly connected with a first bevel gear 5, the support frame 2 being provided with a second rotating rod 6, the second rotating rod 6 penetrating through the support frame 2 and being rotatably connected therewith, the rear end of the second rotating rod 6 being fixedly connected with a second bevel gear 7, the second bevel gear 7 being engaged with the first bevel gear 5, the front end of the second rotating rod 6 being fixedly connected with a knob 8, the second rotating rod 6 being driven to rotate by rotating the knob 8, the second bevel gear 7 being driven to rotate and the first bevel gear 5 being driven to rotate, so that the first rotating rod 4 is driven to rotate.

[0021] The upper end of the first rotating rod 4 is fixedly connected with a fixed disc 9, the cylindrical surface of the fixed disc 9 is fixedly connected with three mounting rods 10, each mounting rod 10 is provided with a mounting groove 11, each mounting groove 11 is provided with a first magnetic attraction piece 12, each mounting groove 11 is provided with a light source fastener 13, the upper end of each light source fastener 13 is fixedly connected with a second magnetic attraction piece 14, the light source fastener 13 is attracted together with the first magnetic attraction piece 12 in each mounting groove 11 through the corresponding second magnetic attraction piece 14, so that the light source fastener 13 is fixed in each mounting groove 11, the first rotating rod 4 drives the three mounting rods 10 to rotate, so that the positions of the three light source fasteners 13 are moved.

[0022] The support frame 2 is provided with a light transmission cylinder 15, the front end of the support frame 2 is fixedly connected with an extension plate 16, the upper end of the extension plate 16 is provided with a light source detector 17, the detection piece is placed on the upper end of the light transmission cylinder 15, the light radiated by the light source fastener 13 transmits through the detection piece and the light transmission cylinder 15 and is radiated on the light source detector 17, the light radiated down through the detection piece is detected by the light source detector 17, the light source fastener 13 in each mounting groove 11 can be installed with different specifications of light intensity, different specifications of light source fasteners 13 are switched by rotating the knob 8 to radiate the detection piece, so that the light transmission of the detection piece under the radiation of light with different intensities is detected and observed.

[0023] The lower end of the support frame 2 is fixedly connected with four anti-skid foot stickers 18, which can effectively prevent the instrument from slipping due to external force.

[0024] Further, the fixed connection above, unless otherwise specifically provided and limited, should be broadly understood, for example, can be welding, or gluing, or integrally formed with the usual means well known to those skilled in the art.

[0025] The above only describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A microscopic transmittance measuring instrument with an easily replaceable light source, comprising a base (1), characterized in that, The upper end of the base (1) is fixedly connected to a support frame (2), and the rear end of the support frame (2) is fixedly connected to a connecting fastener (3). The connecting fastener (3) is provided with a first rotating rod (4), which passes through the connecting fastener (3) and is rotatably connected to it. The lower end of the first rotating rod (4) is fixedly connected to a first bevel gear (5). The support frame (2) is provided with a second rotating rod (6), which passes through the support frame (2) and is rotatably connected to it. The rear end of the second rotating rod (6) is fixedly connected to a second bevel gear (7), which meshes with the first bevel gear (5). The front end of the second rotating rod (6) is fixedly connected to a knob (8).

2. The microscopic transmittance measuring instrument with easily replaceable light source according to claim 1, characterized in that, The upper end of the first rotating rod (4) is fixedly connected to a fixed disk (9), and the cylindrical surface of the fixed disk (9) is fixedly connected to three mounting rods (10).

3. A microscopic transmittance measuring instrument with easily replaceable light source according to claim 2, characterized in that, Each of the mounting rods (10) is provided with a mounting groove (11), each of the mounting grooves (11) is provided with a first magnetic block (12), each of the mounting grooves (11) is provided with a light source fixture (13), and each of the light source fixtures (13) is fixedly connected to a second magnetic block (14) at its upper end.

4. A microscopic transmittance measuring instrument with easily replaceable light source according to claim 1, characterized in that, The support frame (2) is provided with a light-transmitting tube (15).

5. A microscopic transmittance measuring instrument with easily replaceable light source according to claim 1, characterized in that, The front end of the support frame (2) is fixedly connected to an extension plate (16), and the upper end of the extension plate (16) is provided with a light source detector (17).

6. A microscopic transmittance measuring instrument with easily replaceable light source according to claim 1, characterized in that, The lower end of the support frame (2) is fixedly connected with four anti-slip feet (18).

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