CN211086158U - Melting point tester convenient to observe - Google Patents
Melting point tester convenient to observe Download PDFInfo
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- CN211086158U CN211086158U CN201921994110.9U CN201921994110U CN211086158U CN 211086158 U CN211086158 U CN 211086158U CN 201921994110 U CN201921994110 U CN 201921994110U CN 211086158 U CN211086158 U CN 211086158U
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- lifter
- melting point
- magnifying glass
- point tester
- convenient
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Abstract
The utility model relates to a melting point tester convenient to observe, it includes the testboard, is used for carrying out the oil bath cup that tests and is used for carrying out the cartridge heater that heats to the oil bath cup, and the cartridge heater sets up in the upper surface of testboard, and the oil bath cup inlays to be located in the cartridge heater. Be provided with the magnifying glass on the testboard, the bottom of magnifying glass is connected with the lifter, and the upper surface of testboard is provided with the lifter, and the lifter slides and inserts and locate in the lifter, and one side of lifter is provided with fixing bolt, and fixing bolt thread wears to locate the lateral wall and the butt of lifter. The utility model discloses a magnifying glass is observed the sample, can observe the state of sample clearly, is convenient for judge, has the effect that improves the result and judge the degree of accuracy.
Description
Technical Field
The utility model belongs to the technical field of the technique of melting point tester and specifically relates to a melting point tester convenient to observe is related to.
Background
In the field of organic chemistry, melting point measurement is a basic means for identifying the nature of a substance and is one of important methods for measuring purity, so that a melting point measuring instrument plays an important role in chemical industry and medical research and is a necessary instrument for detecting drugs, perfumes, dyes and other organic crystal substances.
The existing melting point instrument generally determines the melting point of a substance by a capillary tube method and mainly comprises a test bench, wherein a heating cylinder is arranged on the test bench, an oil bath cup is arranged in the heating cylinder, a heat-conducting medium is filled in the oil bath cup, a capillary tube bracket filled with a sample is placed in a heat-transfer liquid, the oil bath cup is heated by the heating cylinder, and the melting point of the sample is measured.
However, since the capillary is thin, the sample in the capillary is observed with the naked eye, which is relatively blurred, and a judgment error may occur, thereby causing a deviation in test data.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a melting point tester convenient to observe, its advantage lies in: the sample in the capillary tube is observed by arranging the magnifying glass, so that the observation is clear, and the judgment accuracy is improved.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a melting point tester convenient to observe, includes the testboard, is used for carrying out the oil bath cup that tests and is used for to the cartridge heater that the oil bath cup carries out the heating, the cartridge heater set up in the upper surface of testboard, the oil bath cup inlays to be located in the cartridge heater, be provided with the magnifying glass on the testboard, the bottom of magnifying glass is connected with the lifter, the upper surface of testboard is provided with the lifter, the lifter slides and inserts and locates in the lifter, one side of lifter is provided with fixing bolt, fixing bolt screw thread wear to locate the lateral wall and the butt of lifter in the lifter.
By adopting the technical scheme, the sample is observed through the magnifying lens during detection, so that the state of the sample can be clearly observed, the judgment is convenient, and the accuracy of the judgment of the detection result is improved; the setting up of fall way and lifter makes the magnifying glass can rise or reduce, is convenient for adjust the height of magnifying glass according to the test demand, and the convenience is observed the sample, and fixing bolt is used for fixing a position the lifter, makes the lifter keep at preset height, prevents that the lifter from weighing down and producing the interference to observing when observing the sample.
The utility model discloses further set up to: the lateral wall of lifter is provided with the gag lever post, the lateral wall of fall way has seted up the spacing groove along vertical direction, the gag lever post is worn to locate the spacing inslot.
Through adopting above-mentioned technical scheme, setting up of gag lever post and spacing groove is used for highly carrying on spacingly to the lifter lift, prevents that the lifter from removing too high and breaking away from the fall way.
The utility model discloses further set up to: and a rubber ring is arranged on the notch of the limiting groove.
Through adopting above-mentioned technical scheme, the rubber circle can improve the compactness between gag lever post and the spacing groove, prevents that the lifter from rocking in the elevator, and the rubber circle also can reduce the wearing and tearing between gag lever post and the spacing groove simultaneously, avoids being connected between lifter and the elevator pipe not hard up.
The utility model discloses further set up to: the bottom of fall way is provided with the slider, the upper surface of tester body seted up with slider matched with spout, the slider slides to inlay and locates in the spout.
Through adopting above-mentioned technical scheme, the setting up of slider and spout makes the magnifying glass can slide, is convenient for remove the position of magnifying glass according to the test demand, and the convenience is observed the sample.
The utility model discloses further set up to: the spout is the arc, the spout uses the cross section center of cartridge heater is the centre of a circle setting.
Through adopting above-mentioned technical scheme, the spout sets up to the arc and can make the magnifying glass just right with the sample in the oil bath cup all the time at the slip in-process, is convenient for observe the sample, improves the degree of accuracy that the testing result judged.
The utility model discloses further set up to: the bottom of the sliding groove is provided with a ball groove, a ball is arranged in the ball groove, and the bottom of the sliding block is abutted to the ball.
Through adopting above-mentioned technical scheme, the setting of ball can reduce the frictional force that the slider received when sliding, makes the magnifying glass slide more easily, facilitates the use.
The utility model discloses further set up to: the magnifying glass with the lifter can be dismantled and be connected, the top of lifter is provided with the installation pipe, the bottom of magnifying glass is connected with the installation pole, installation pole threaded connection in the installation pipe.
Through adopting above-mentioned technical scheme, the detachable installation of magnifying glass is convenient for change the magnifying glass of different magnifications according to the test demand to can clearly observe the state of sample, improve the degree of accuracy that the testing result was judged.
The utility model discloses further set up to: the top of magnifying glass is provided with the installation piece, be provided with the light on the installation piece and be used for controlling the switch of light, the light with the switch electricity is connected.
Through adopting above-mentioned technical scheme, the light is used for throwing light on to the oil bath cup when observing, has improved the definition when observing, and then has improved the degree of accuracy that the testing result judged.
To sum up, the utility model discloses a beneficial technological effect does:
the sample is observed through the magnifying lens during detection, the state of the sample can be clearly observed, judgment is facilitated, the accuracy of judgment of a detection result is improved, the height of the magnifying lens can be conveniently adjusted according to a test requirement due to the arrangement of the lifting pipe and the lifting rod, and the sample can be conveniently observed;
the limiting rod and the limiting groove are arranged for limiting the lifting height of the lifting rod and preventing the lifting rod from moving too high to be separated from the lifting pipe;
the arrangement of the sliding block and the sliding groove enables the magnifier to slide, so that the position of the magnifier can be conveniently moved according to test requirements, and the sample can be conveniently observed;
the detachable installation of magnifying glass is convenient for change the magnifying glass of different magnifications according to the test demand to can observe the state of sample clearly, improve the degree of accuracy that the testing result judged.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.
Fig. 3 is a schematic cross-sectional view of the present invention.
Fig. 4 is a partially enlarged schematic view of a portion B in fig. 3.
In the figure, 1, a test stand; 11. a heating cylinder; 12. an oil bath cup; 13. a chute; 14. a ball groove; 141. a ball bearing; 2. a magnifying glass; 21. mounting a rod; 22. mounting blocks; 221. an illuminating lamp; 222. a switch; 3. a lifting rod; 31. installing a pipe; 32. a limiting rod; 4. a lifting pipe; 41. fixing the bolt; 42. a limiting groove; 421. a rubber ring; 43. a slide block.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a melting point tester convenient to observe, including testboard 1, the mid-mounting of testboard 1 upper surface has cartridge heater 11, and cartridge heater 11 is connected with testboard 1 electricity, and cartridge heater 11 is embedded to be equipped with and is used for carrying out the oil bath cup 12 that tests.
Referring to fig. 1 and 2, a magnifier 2 is installed on one side of the upper surface of a test bench 1, an elevator tube 4 with a circular cross section is vertically installed on the upper surface of the test bench 1, a lifting rod 3 is slidably inserted in the elevator tube 4, and the side wall of the lifting rod 3 is in clearance fit with the inner wall of the elevator tube 4. The vertical welding in bottom of magnifying glass 2 has a columniform installation pole 21, and the welding in top of lifter 3 has the installation pipe 31 with installation pole 21 matched with, through installing pole 21 threaded connection in installation pipe 31, makes magnifying glass 2 can dismantle and connect in lifter 3. The fixing bolt 41 is attached to the side wall of the elevator tube 4, and the fixing bolt 41 is threaded through the side wall of the elevator tube 4 and abuts against the elevator rod 3.
The magnifying glass 2 is used for observing the sample during detection, so that the state of the sample can be observed clearly, and the detection result can be judged conveniently. The elevator tube 4 and the lifting rod 3 enable the magnifier 2 to be lifted or lowered, so that the height of the magnifier 2 can be adjusted conveniently according to the test requirements, and the sample can be observed conveniently. The fixing bolt 41 is used for positioning the lifting rod 3, so that the lifting rod 3 is kept at a preset height, and the lifting rod 3 is prevented from dropping to interfere with observation when a sample is observed.
Because magnifying glass 2 can dismantle to be connected in lifter 3 to change magnifying glass 2 of different magnifications according to the test demand, the clarity when improving the sample and observing has further improved the degree of accuracy that testing result judged.
The lateral wall vertical welding of lifter 3 has a columniform gag lever post 32, and spacing groove 42 has been seted up to the lateral wall of elevator pipe 4, and spacing groove 42 is extended to upper portion by the vertical upwards of the lower part of elevator pipe 4, and gag lever post 32 wears to locate in the spacing groove 42 and can follow vertical direction and slide from top to bottom. The stopper rod 32 and the stopper groove 42 can limit the height at which the lift lever 3 is lifted, and prevent the lift lever 3 from moving too high and separating from the lift pipe 4.
The notch of spacing groove 42 bonds and has rubber circle 421, and rubber circle 421 can improve the compactness between gag lever post 32 and the spacing groove 42, prevents that lifter 3 from rocking in elevator pipe 4, also can reduce the wearing and tearing between gag lever post 32 and the spacing groove 42 simultaneously.
Referring to fig. 3 and 4, a slide block 43 with a T-shaped cross section is installed at the bottom of the elevator tube 4, a slide groove 13 matched with the slide block 43 is formed in the upper surface of the test bench 1, and the slide groove 13 is arc-shaped and is arranged by taking the center of the cross section of the heating cylinder 11 as the center of a circle. Through embedding slider 43 in sliding chute 13, make magnifying glass 2 can slide, be convenient for remove magnifying glass 2's position according to the test demand, the convenience is observed the sample. Because the sliding groove 13 is arc-shaped, the magnifier 2 is always right opposite to the sample in the oil bath cup 12 in the sliding process, so that the sample can be observed conveniently, and the accuracy of detection result judgment is improved.
The ball groove 14 is opened at the bottom of the sliding groove 13, the path direction of the ball groove 14 is consistent with the path direction of the sliding groove 13, the ball 141 is installed in the ball groove 14, the bottom of the sliding block 43 is abutted to the top of the ball 141, and the ball 141 can reduce the friction force applied to the sliding block 43 when the sliding block slides, so that the magnifier 2 can slide more easily and is convenient to use.
An installation block 22 is installed at the top of the magnifier 2, an illuminating lamp 221 is installed on one side of the installation block 22 facing the oil bath cup 12, a switch 222 used for controlling the illuminating lamp 221 is installed at the top of the installation block 22, a button battery is installed in the installation block 22, the illuminating lamp 221 is powered by the button battery, and the illuminating lamp 221 is electrically connected with the switch 222. The illuminating lamp 221 is used for illuminating the oil bath cup 12 during observation, so that the definition degree during observation is improved, and the accuracy of judgment of a detection result is further improved.
The implementation principle of the embodiment is as follows: through setting up magnifying glass 2, see through magnifying glass 2 and observe the sample when detecting, can clearly observe the state of sample, be convenient for judge, improved the degree of accuracy that the testing result judged. Make magnifying glass 2 can go up and down through setting up elevator pipe 4 and lifter 3, be convenient for adjust the height of magnifying glass 2 according to the test demand, make magnifying glass 2 can slide through setting up slider 43 and spout 13, be convenient for remove the position of magnifying glass 2 according to the test demand, the convenience is observed the sample. Through setting up magnifying glass 2 into detachable installation, be convenient for change the magnifying glass 2 of different magnifications according to the test demand to in the degree of accuracy that improves the testing result and judge.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. A melting point tester convenient for observation, comprising a test bench (1), an oil bath cup (12) for performing a test, and a heating cylinder (11) for heating the oil bath cup (12), wherein the heating cylinder (11) is arranged on the upper surface of the test bench (1), the oil bath cup (12) is embedded in the heating cylinder (11), and the melting point tester is characterized in that: be provided with magnifying glass (2) on testboard (1), the bottom of magnifying glass (2) is connected with lifter (3), the upper surface of testboard (1) is provided with fall way (4), lifter (3) slide and insert and locate in fall way (4), one side of fall way (4) is provided with fixing bolt (41), fixing bolt (41) screw thread is worn to locate the lateral wall and the butt of fall way (4) are in lifter (3).
2. The melting point tester convenient for observation according to claim 1, wherein: the lateral wall of lifter (3) is provided with gag lever post (32), spacing groove (42) have been seted up along vertical direction to the lateral wall of fall way (4), gag lever post (32) wear to locate in spacing groove (42).
3. The melting point tester convenient for observation according to claim 2, wherein: the notch of the limiting groove (42) is provided with a rubber ring (421).
4. The melting point tester convenient for observation according to claim 1, wherein: the bottom of fall way (4) is provided with slider (43), the upper surface of tester body seted up with slider (43) matched with spout (13), slider (43) slip inlay is located in spout (13).
5. The melting point tester convenient for observation according to claim 4, wherein: the sliding groove (13) is arc-shaped, and the sliding groove (13) is arranged by taking the center of the cross section of the heating cylinder (11) as a circle center.
6. The melting point tester convenient for observation according to claim 5, wherein: the bottom of the sliding groove (13) is provided with a ball groove (14), a ball (141) is arranged in the ball groove (14), and the bottom of the sliding block (43) is abutted to the ball (141).
7. The melting point tester convenient for observation according to claim 1, wherein: magnifying glass (2) with lifter (3) can be dismantled the connection, the top of lifter (3) is provided with installation pipe (31), the bottom of magnifying glass (2) is connected with installation pole (21), installation pole (21) threaded connection in installation pipe (31).
8. The melting point tester convenient for observation according to claim 1, wherein: the top of magnifying glass (2) is provided with installation piece (22), be provided with light (221) on installation piece (22) and be used for controlling switch (222) of light (221), light (221) with switch (222) electricity is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921994110.9U CN211086158U (en) | 2019-11-18 | 2019-11-18 | Melting point tester convenient to observe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921994110.9U CN211086158U (en) | 2019-11-18 | 2019-11-18 | Melting point tester convenient to observe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211086158U true CN211086158U (en) | 2020-07-24 |
Family
ID=71623644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921994110.9U Active CN211086158U (en) | 2019-11-18 | 2019-11-18 | Melting point tester convenient to observe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211086158U (en) |
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2019
- 2019-11-18 CN CN201921994110.9U patent/CN211086158U/en active Active
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