CN215640973U - Melting point instrument convenient to observe - Google Patents
Melting point instrument convenient to observe Download PDFInfo
- Publication number
- CN215640973U CN215640973U CN202122204801.8U CN202122204801U CN215640973U CN 215640973 U CN215640973 U CN 215640973U CN 202122204801 U CN202122204801 U CN 202122204801U CN 215640973 U CN215640973 U CN 215640973U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- heat insulation
- melting point
- test tube
- fixing plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model relates to the technical field of measuring equipment, and discloses a melting point instrument convenient for observation, which comprises a box body, wherein a second heat insulation plate is fixedly connected to the inner side of the box body, the top of the second heat insulation plate is movably connected with three test tubes, a calculation mechanism is fixedly connected to the position, close to the front, of the top of the second heat insulation plate, three electric wires are fixedly connected to the back of the calculation mechanism, a heating mechanism is fixedly connected to the back of the electric wires, two first heat insulation plates are fixedly connected to the top of the second heat insulation plate, a display is fixedly connected to the front of the box body, the second heat insulation plate is fixedly connected to the inner side of the box body, the three test tubes are movably connected to the top of the second heat insulation plate, the calculation mechanism is fixedly connected to the position, close to the front, of the top of the second heat insulation plate, the two first heat insulation plates are fixedly connected to the top of the second heat insulation plate, and a display is fixedly connected to the front of the box body, the effect of isolating each group of heating mechanisms is achieved, and the heating effect is prevented from being influenced due to poor heat insulation.
Description
Technical Field
The utility model relates to the technical field of measuring equipment, in particular to a melting point instrument convenient to observe.
Background
According to the definition of physical chemistry, the melting point of a substance refers to the temperature at which the substance changes from a solid state to a liquid state, and in the field of organic chemistry, melting point measurement is a basic means for identifying the nature of the substance and is one of important methods for measuring purity, so that a melting point tester plays an important role in chemical industry and medical research and is a necessary instrument for producing drugs, perfumes, dyes and other organic crystalline substances.
First, the melting point of an article is measured by heating a single set of raw materials in the conventional melting point apparatus, but due to the fact that the purities of the measured objects are different, the measured melting point is inaccurate due to single measurement, and the accuracy of the measured melting point is affected.
Secondly, the object in the test tube needs to be compressed tightly when the object in the test tube is heated by the existing melting point apparatus, but the object in the test tube is inconvenient to compress tightly due to the structure of the test tube.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the background technology, the utility model provides the melting point instrument which is convenient to observe, has the advantages of good heat insulation and compaction of materials in a test tube, and solves the problems in the background technology.
The utility model provides the following technical scheme: the utility model provides a melting point appearance convenient to observe, includes the box, the inboard fixedly connected with second heat insulating board of box, the top swing joint of second heat insulating board has three test tube, the front fixedly connected with calculation mechanism that is close to at second heat insulating board top, the three electric wire of back fixedly connected with of calculation mechanism, the back fixedly connected with heating mechanism of electric wire, two first heat insulating boards of top fixedly connected with of second heat insulating board, the front fixedly connected with display of box.
The box is selected, the first fixed plate of back fixedly connected with that is close to at box top, the positive top fixedly connected with second fixed plate that is close to of first fixed plate, the top fixedly connected with pneumatic cylinder of second fixed plate, the bottom fixedly connected with hydraulic stem of pneumatic cylinder, the bottom fixedly connected with third fixed plate of hydraulic stem, the three fourth fixed plate of positive fixedly connected with of third fixed plate, the fixed three stripper rod that has cup jointed in top of fourth fixed plate, the bottom fixedly connected with pressure disk of stripper rod.
Carefully selecting, the test tube is located the center of heating mechanism, the fixed orifices have been seted up to the position that the second heat insulating board top corresponds the test tube.
The first heat insulation board and the second heat insulation board are selected to be made of materials with good heat insulation performance, and the calculating mechanism measures and calculates the temperature of the heating mechanism through the heating mechanism and takes the average value of the three values.
Preferably, the calculation mechanism is connected with a display through a wire, and the display displays the numerical value calculated by the calculation mechanism.
Carefully, the diameter of the pressure plate is one millimeter less than the diameter of the inner side of the test tube, and the test tube and the center of the pressure plate are on the same numerical straight line.
Carefully selecting, the distance between the right back surface and the side surface of the inner side of the heating mechanism and the outer side of the test tube is three centimeters.
Compared with the prior equipment, the utility model has the following beneficial effects:
1. this melting point appearance convenient to observe through the work of calculation mechanism, makes heating mechanism temperature rise through the electric wire to make the inboard article temperature of test tube rise, after the inboard article of test tube melts, calculation mechanism record temperature, then through calculating out after heating mechanism records three data respectively and gets the average value, show on the display, the melting point of measuring three group's article then gets the average value, has reduced article purity influence measuring accuracy, thereby reaches the purpose of accurate measurement melting point.
2. This melting point appearance convenient to observe drives the hydraulic stem shrink through pneumatic cylinder work, and further drive third fixed plate shrink to make the stripper bar rise with the pressure disk, then will need measure during article of melting point add three test tube, then drive the hydraulic stem extension through pneumatic cylinder work, further messenger stripper bar and pressure disk descend, reached the effect that compresses tightly article in the test tube, prevent because of the not tight real measuring effect who influences equipment of article.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic view of the structure of the extrusion stem of the present invention.
In the figure: 1. a box body; 2. a display; 3. a first fixing plate; 4. a hydraulic cylinder; 5. a second fixing plate; 6. a hydraulic lever; 7. a third fixing plate; 8. a fourth fixing plate; 9. an extrusion stem; 10. a first heat insulation plate; 11. a second heat insulation plate; 12. a test tube; 13. a heating mechanism; 14. an electric wire; 15. a computing mechanism; 16. and (7) pressing a plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a melting point apparatus convenient for observation includes a box body 1, a second heat insulation board 11 fixedly connected to the inner side of the box body 1, three test tubes 12 movably connected to the top of the second heat insulation board 11, a calculation mechanism 15 fixedly connected to the top of the second heat insulation board 11 near the front, three electric wires 14 fixedly connected to the back of the calculation mechanism 15, a heating mechanism 13 fixedly connected to the back of the electric wires 14, two first heat insulation boards 10 fixedly connected to the top of the second heat insulation board 11, and a display 2 fixedly connected to the front of the box body 1.
Wherein, the first fixed plate 3 of back fixedly connected with that is close to at 1 top of box, the positive top fixedly connected with second fixed plate 5 that is close to of first fixed plate 3, the top fixedly connected with pneumatic cylinder 4 of second fixed plate 5, the bottom fixedly connected with hydraulic stem 6 of pneumatic cylinder 4, the bottom fixedly connected with third fixed plate 7 of hydraulic stem 6, the three fourth fixed plate 8 of positive fixedly connected with of third fixed plate 7, the fixed cover in top of fourth fixed plate 8 has connected three extrusion stem 9, the bottom fixedly connected with pressure disk 16 of extrusion stem 9.
Wherein, test tube 12 is located the center of heating mechanism 13, and the fixed orifices has been seted up to the position that second heat insulating board 11 top corresponds test tube 12, fixed test tube 12 that can be good.
The first heat insulation board 10 and the second heat insulation board 11 are made of materials with good heat insulation performance, and the calculation mechanism 15 measures and calculates the temperature of the heating mechanism 13 through the heating mechanism 13 and takes the average value of the three values, so that the measurement effect is more accurate.
Wherein, the calculating mechanism 15 is connected with the display 2 through a conducting wire, the display 2 displays the numerical value calculated by the calculating mechanism 15, and the measuring numerical value can be displayed in a straight pipe.
Wherein, the diameter of pressure disk 16 is one millimeter less than the inboard diameter of test tube 12, and test tube 12 and pressure disk 16 center are on same numerical value straight line, guarantee to compact the article in the test tube 12.
Wherein, the distance of the right back face and the side face of the inner side of the heating mechanism 13 from the outer side of the test tube 12 is three centimeters, and the effective heating of the articles in the test tube 12 is ensured.
The working principle is as follows: during the use, work through pneumatic cylinder 4 and drive the shrink of hydraulic stem 6, further drive the shrink of third fixed plate 7, thereby make squeeze bar 9 and pressure disk 16 rise, then add the article that will measure the melting point into three test tube 12, then drive the extension of hydraulic stem 6 through pneumatic cylinder 4 work, further make squeeze bar 9 and pressure disk 16 descend, thereby make the inboard article of test tube 12 compress tightly, guarantee the accuracy of measuring the melting point, then work through calculation mechanism 15, make heating mechanism 13 temperature rise through electric wire 14, thereby make the inboard article temperature rise of test tube 12, after the inboard article of test tube 12 melts, calculation mechanism 15 record temperature, then after taking the mean value through calculation mechanism 15 three groups of data record respectively, show on display 2, thereby reach the purpose of accurate measurement melting point.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Also in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention. In the drawings of the present invention, the filling pattern is only for distinguishing the layers, and is not limited to any other way.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a melting point appearance convenient to observe, includes box (1), its characterized in that: the utility model discloses a test tube box, including box (1), inboard fixedly connected with second heat insulating board (11) of box (1), the top swing joint of second heat insulating board (11) has three test tube (12), be close to positive fixedly connected with calculation mechanism (15) at second heat insulating board (11) top, the three electric wire of back fixedly connected with (14) of calculation mechanism (15), the back fixedly connected with heating mechanism (13) of electric wire (14), two first heat insulating boards (10) of top fixedly connected with of second heat insulating board (11), the positive fixedly connected with display (2) of box (1).
2. The melting point apparatus of claim 1, wherein: the box is characterized in that a first fixing plate (3) close to the back fixedly connected with is arranged at the top of the box body (1), a second fixing plate (5) close to the top fixedly connected with is arranged on the front side of the first fixing plate (3), a hydraulic cylinder (4) fixedly connected with is arranged on the top of the second fixing plate (5), a hydraulic rod (6) fixedly connected with is arranged on the bottom of the hydraulic rod (4), a third fixing plate (7) fixedly connected with is arranged on the bottom of the hydraulic rod (6), a third fourth fixing plate (8) fixedly connected with is arranged on the front side of the third fixing plate (7), three extrusion rods (9) are fixedly sleeved on the top of the fourth fixing plate (8), and a pressure plate (16) fixedly connected with is arranged on the bottom of the extrusion rods (9).
3. The melting point apparatus of claim 1, wherein: the test tube (12) is located at the center of the heating mechanism (13), and a fixing hole is formed in the position, corresponding to the test tube (12), of the top of the second heat insulation plate (11).
4. The melting point apparatus of claim 1, wherein: the first heat insulation plate (10) and the second heat insulation plate (11) are made of materials with good heat insulation performance, and the calculating mechanism (15) measures and calculates the temperature of the heating mechanism (13) through the heating mechanism (13) and takes the average value of three values.
5. The melting point apparatus of claim 1, wherein: the calculating mechanism (15) is connected with the display (2) through a conducting wire, and the display (2) displays the numerical value calculated by the calculating mechanism (15).
6. The melting point apparatus of claim 2, wherein: the diameter of the pressure plate (16) is one millimeter smaller than the diameter of the inner side of the test tube (12), and the centers of the test tube (12) and the pressure plate (16) are on the same numerical straight line.
7. The melting point apparatus of claim 1, wherein: the distances between the right back surface and the side surface of the inner side of the heating mechanism (13) and the outer side of the test tube (12) are all three centimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122204801.8U CN215640973U (en) | 2021-09-13 | 2021-09-13 | Melting point instrument convenient to observe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122204801.8U CN215640973U (en) | 2021-09-13 | 2021-09-13 | Melting point instrument convenient to observe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215640973U true CN215640973U (en) | 2022-01-25 |
Family
ID=79915295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122204801.8U Active CN215640973U (en) | 2021-09-13 | 2021-09-13 | Melting point instrument convenient to observe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215640973U (en) |
-
2021
- 2021-09-13 CN CN202122204801.8U patent/CN215640973U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107389798B (en) | The device and method of metal material semisolid fraction solid is quickly detected using ultrasonic wave | |
| CN215640973U (en) | Melting point instrument convenient to observe | |
| CN107543623A (en) | A kind of device for measuring temperature of materials of chemical reaction kettle | |
| CN106839949A (en) | A kind of steel pipe linearity testing apparatus | |
| CN216846080U (en) | Novel indentation size measuring instrument | |
| CN206192568U (en) | Fuse -element moderate temperature and pressure measuring equipment | |
| CN107782366A (en) | Fusion sediment（FDM）Formula 3D printer printed product evaluation method | |
| CN212620597U (en) | Handheld portable laser thickness gauge | |
| CN204705572U (en) | A kind of steel plate concrete adhesive surface infiltration coefficient measurement mechanism among a small circle | |
| CN214583025U (en) | Coating thickness measuring device for building supervision | |
| CN108627537A (en) | Sample cell, system and the sample cell application method of paste Measured Results of Thermal Conductivity | |
| CN1112581C (en) | Fast testing method and device for compact rate of molding sand | |
| CN204008360U (en) | A kind of bamboo board bonding strength pick-up unit | |
| CN215524541U (en) | Portable pen type ultrasonic thickness gauge | |
| CN201773083U (en) | Quick detection device for resistivity of molten metals | |
| CN206440660U (en) | It is a kind of for determining hydrogen production device in aluminium and aluminium alloy melt | |
| CN207036739U (en) | Binary channels sample cup for thermal analysis | |
| CN206945051U (en) | A kind of Intelligent multifunctional physical-quantity measuring instrument | |
| CN216410005U (en) | Measuring tool for measuring wall thickness difference of deep-hole part | |
| CN215893471U (en) | Portable O-shaped thickness gauge for large-span wheel profile | |
| CN105823675B (en) | A kind of three-dimensional force measuring device for scratch test instrument | |
| CN216523561U (en) | Building wall thickness detection device | |
| CN214585705U (en) | BTTZ cable magnesia powder resistivity measuring device | |
| CN218956460U (en) | Concrete cleaning mechanism | |
| CN214747321U (en) | Real-time temperature measuring device for molten aluminum in smelting furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |