CN215464578U - Test tube mounting seat of water bath nitrogen blowing instrument - Google Patents
Test tube mounting seat of water bath nitrogen blowing instrument Download PDFInfo
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- CN215464578U CN215464578U CN202121500204.3U CN202121500204U CN215464578U CN 215464578 U CN215464578 U CN 215464578U CN 202121500204 U CN202121500204 U CN 202121500204U CN 215464578 U CN215464578 U CN 215464578U
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- test tube
- water bath
- nitrogen blowing
- adjusting
- blowing instrument
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Abstract
The utility model discloses a test tube mounting seat of a water bath nitrogen blowing instrument, which comprises a horizontally arranged bottom tray, wherein the surface of the bottom tray is provided with a plurality of through holes, two ends of the bottom tray are respectively and vertically and fixedly provided with adjusting rods, the upper parts of the adjusting rods are tapped with threads, the upper parts of the adjusting rods are respectively screwed and matched with adjusting knobs, the bottom ends of the two adjusting knobs are driven by toothed chains, the adjusting knobs are respectively and fixedly sleeved with supporting plates for supporting test tube fixing disks above the toothed chains, two ends of the test tube fixing disks are provided with placing holes corresponding to the adjusting knobs, the test tube fixing disks are sleeved on the adjusting knobs through the placing holes, and the surface of the test tube fixing disks is uniformly provided with a plurality of test tube placing grooves. The problem of test tube fixed disk height unable regulation, and the test tube fixed disk can't keep the level for the test tube is impaired is solved.
Description
Technical Field
The utility model relates to the field of instruments and equipment, in particular to a test tube mounting seat of a water bath nitrogen blowing instrument.
Background
The water bath nitrogen blows the appearance and utilizes the inert of nitrogen gas, isolated oxygen's characteristic, adopts the water bath heating, and the top sweeps with nitrogen gas, can break the gas-liquid balance in the hole on the liquid through the fast flow of nitrogen gas, makes liquid volatile concentration speed accelerate, volatilize rapidly to reach the purpose that lets the sample concentrated fast. Water bath nitrogen blowing instruments are widely used, such as for sample pre-treatment in drug screening, hormone analysis, liquid phase, gas phase and mass spectrometry.
The water bath type nitrogen blowing instrument adopts the internationally recognized technology, and the nitrogen is blown into the surface of the heated sample to concentrate the sample, so that the analysis time is shortened, and the requirement of rapid detection is met. The method has the advantages of time saving, simple operation, easy control and the like. The temperature required for blowing methane, dichloromethane and the like by using the existing water bath type nitrogen blowing instrument is about 50 ℃.
Chinese patent (CN202021124849.7) discloses a test tube mounting seat of a nitrogen blowing instrument for food detection experiments, which comprises a test tube fixing disk and a bottom tray, wherein test tube placing grooves are distributed on the surface of the test tube fixing disk, positioning air bubbles are adhered to the inner wall of each test tube placing groove, and through holes are formed in the surface of the bottom tray; the upper ends of the two screw rods penetrate out of the corresponding guide holes respectively and are connected with the handle, and the two screw rods are respectively sleeved with a limiting nut above the test tube fixing disc. The bottom tray accepts the bottom of the test tube, and the distance between the test tube fixing disc and the bottom tray is controlled under the telescopic adjustment of the screw rod, so that the water bath placing depth of the test tube is convenient to adjust, the whole test tube is conveniently pushed out from the test tube fixing disc by the bottom tray, and the test tube is convenient to take; the location gas pocket is fixed the test tube, when not influencing the test tube and placing, guarantees the stable embedding of test tube, the alignment of the appearance syringe needle of being convenient for nitrogen blowing.
The distance between the test tube fixing disc and the bottom tray is controlled by the two screws, but the adjusting mode of the method is difficult to enable the heights of the two limit nuts to be in the same horizontal plane, so that the needle of the nitrogen blowing instrument cannot be aligned to the test tube easily, the test tube is damaged easily, and therefore the design of the nitrogen blowing instrument capable of solving the problems is particularly important.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a test tube mounting seat of a water bath nitrogen blowing instrument aiming at the problems in the prior art.
In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a water bath nitrogen blows test tube mount pad of appearance, includes the end tray that the level set up, a plurality of through-holes have been seted up on end tray surface, the both ends vertical fixed mounting respectively of end tray has the regulation pole, the screw thread has been attacked on the upper portion of adjusting the pole, the upper portion of adjusting the pole spiro union cooperation respectively has adjust knob, two the chain gear is passed through to adjust knob's bottom, adjust knob is located the top of chain gear is fixed the cover respectively and is equipped with the backup pad that is used for supporting the test tube fixed disk, the both ends of test tube fixed disk correspond adjust knob opens there is the hole of placing, the test tube fixed disk passes through place the pot cover and establish on adjust knob, a plurality of test tube standing grooves have evenly been laid on test tube fixed disk surface.
Install the regulation pole respectively at the both ends of end tray, the upper portion spiro union cooperation of adjusting the pole has adjust knob, two adjust knob carry out the transmission through the toothed chain, it is equipped with the backup pad still respectively to overlap on the adjust knob, the test tube fixed disk is placed in the backup pad, through the height of rotating the adjustable test tube fixed disk of adjust knob, can be according to the sample height-adjusting in the test tube, make things convenient for the water-bath heating, through the toothed chain transmission between the adjust knob, can make and be in same height between the test tube fixed disk, be convenient for nitrogen blows the needle and inserts the test tube, and do not damage the test tube.
Preferably, the upper end of the adjusting knob is provided with anti-skid lines.
Anti-skidding line has been attacked to adjust knob's upper end, rotates adjust knob when making things convenient for manual operation to this height of conveniently controlling adjust knob.
Preferably, the bottom ends of the adjusting knobs are respectively provided with insections, and the insections are matched with the toothed chain.
The insection of the adjusting knob is matched with the toothed chain, and the adjusting knob is driven by the toothed chain, so that the heights of the adjusting knobs are consistent.
Preferably, the test tube fixing disc is of a double-layer structure, and the test tube placing grooves are formed in the two layers of surfaces of the test tube fixing disc.
The test tube fixed disk sets up to bilayer structure, and the test tube standing groove has all been opened on the surface of test tube fixed disk, makes the test tube place more stably, avoids taking place the skew.
Preferably, the test tube fixing disc is made of transparent materials.
The test tube fixing disc is made of transparent materials, so that the change condition of the sample in the test tube can be observed conveniently.
Preferably, the bottom tray is fixedly installed in a water tank of the nitrogen blowing instrument.
The bottom tray is fixedly arranged in a water tank of the nitrogen blowing instrument, so that the bottom tray is prevented from deviating, and the stability of the adjusting rod is ensured.
Preferably, the toothed chain is driven between the gaps of the test tube placement grooves.
When all placing the test tube in the test tube standing groove, the toothed chain transmits between the clearance of standing groove, damages the test tube when can avoiding the toothed chain transmission.
Compared with the prior art, the utility model has the beneficial effects that: 1. the height of the test tube fixing disc can be adjusted by arranging the adjusting knob on the adjusting rod and rotating the adjusting knob, and the height of the test tube fixing disc can be adjusted according to actual needs, so that the test tube is convenient to immerse into water during water bath heating; 2. the adjusting knobs are in transmission connection through the toothed chain, when one adjusting knob rotates, the toothed chain drives the other adjusting knob to rotate, so that the heights of two sides are kept consistent, and the situation that a needle head of a nitrogen blowing instrument cannot be aligned with a test tube and the test tube is damaged due to the fact that the test tube on the test tube fixing disc is inclined is avoided; 3. this device makes things convenient for the test tube fixed disk to take off, is convenient for wash the test tube fixed disk.
Drawings
FIG. 1 is a schematic structural diagram of a test tube mounting base of a water bath nitrogen blowing instrument of the utility model;
FIG. 2 is a partial structural schematic view of a test tube mounting seat of a water bath nitrogen blowing instrument of the utility model;
in the figure: 1. a bottom tray; 2. a through hole; 3. adjusting a rod; 4. adjusting a knob; 5. a toothed chain; 6. a support plate; 7. a test tube fixing disc; 8. a test tube placing groove; 9. insection; 10. and (4) anti-skid lines.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all 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.
Example one
Please refer to fig. 1 and fig. 2, a test tube mounting seat of water bath nitrogen blowing instrument, end tray 1 including the level setting, a plurality of through-holes 2 have been seted up on end tray 1 surface, the both ends of end tray 1 vertical fixed mounting respectively has regulation pole 3, the screw thread has been attacked on the upper portion of adjusting pole 3, the upper portion of adjusting pole 3 spiro union cooperation respectively has adjust knob 4, the bottom of two adjust knob 4 is passed through the chain 5 transmission, adjust knob 4 is located the top of chain 5 fixed cover respectively and is equipped with backup pad 6 that is used for supporting test tube fixed disk 7, the both ends of test tube fixed disk 7 correspond adjust knob 4 and have opened and place the hole, test tube fixed disk 7 is established on adjust knob 4 through placing the hole cover, a plurality of test tube standing grooves 8 have evenly been laid on test tube fixed disk 7 surface.
The bottom tray 1 is installed in the basin of nitrogen blowing appearance, a plurality of through-holes 2 have been seted up on the surface of bottom tray 1, the vertical fixed mounting respectively in both ends of bottom tray 1 has regulation pole 3, the upper portion spiro union cooperation of adjusting pole 3 has adjust knob 4, the bottom of two adjust knob 4 is passed through the chain gear 5 and is transmitted, the lower part fixed cover of adjust knob 4 is equipped with backup pad 6, the cover is equipped with the test tube fixed disk 7 of placing in backup pad 6 on adjust knob 4, evenly laid a plurality of test tube standing grooves 8 on test tube fixed disk 7.
The working principle is as follows: the bottom tray 1 is arranged in a water tank of a nitrogen blowing instrument, when in use, the test tube fixing disc 7 is sleeved on the adjusting knob 4 through the placing hole, the supporting plate 6 on the adjusting knob 4 supports the test tube fixing disc 7, a test tube is placed in the test tube placing groove 8, a sample is placed in the test tube, when in operation, the water bath temperature is firstly set, then the needle assembly of the nitrogen blowing instrument is adjusted to a proper height to avoid the needle of the nitrogen blowing instrument from damaging the test tube, determining the depth of the test tube immersed in water according to the sample in the test tube, then adjusting the height of the test tube fixing disc 7 up and down by rotating the adjusting knob 4, starting to blow nitrogen gas to the surface of the test tube sample, thereby blow in the sample surface of heating through with nitrogen gas and carry out the sample concentration, make analysis time shorten, satisfy the needs of short-term test, after nitrogen blows the completion, adjust the high back of nitrogen blowing appearance syringe needle subassembly, can take out the test tube.
Preferably, the upper end of the adjusting knob 4 is tapped with an anti-slip thread 10.
Preferably, the bottom ends of the adjusting knobs 4 are respectively provided with insections 9, and the insections 9 are matched with the toothed chain 5.
The insections 9 of the adjusting knobs 4 are matched with the toothed chain 5, and the adjusting knobs 4 are driven by the toothed chain 5, so that the heights of the adjusting knobs 4 are consistent.
Preferably, the test tube fixing plate 7 is provided with a double-layer structure, and test tube placing grooves 8 are formed on both surfaces of the test tube fixing plate 7.
Test tube fixed disk 7 sets up to bilayer structure, and test tube standing groove 8 has all been opened on the surface of test tube fixed disk 7, makes the test tube place more stably, avoids taking place the skew.
Preferably, the test tube fixing disk 7 is made of a transparent material.
The test tube fixing disc 7 is made of transparent materials, so that the change condition of the sample in the test tube can be observed conveniently.
Preferably, the bottom tray 1 is fixedly mounted in the water tank of the nitrogen blowing apparatus.
The bottom tray 1 is fixedly arranged in a water tank of the nitrogen blowing instrument, so that the bottom tray 1 is ensured not to deviate, and the stability of the adjusting rod 3 is also ensured.
Preferably, the toothed chain 5 is driven between the gaps of the test tube placement tray 8.
When all placing the test tube in the test tube standing groove 8, the toothed chain 5 damages the test tube when can avoiding the toothed chain 5 transmission at the transmission clearance of standing groove within a definite time transmission.
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 water bath nitrogen blows test tube mount pad of appearance, a serial communication port, the end tray that sets up including the level, a plurality of through-holes have been seted up on end tray surface, the both ends of end tray vertical fixed mounting respectively has the regulation pole, the screw thread has been attacked on the upper portion of adjusting the pole, the upper portion difference spiro union cooperation of adjusting the pole has adjust knob, two adjust knob's bottom is passed through the chain gear, adjust knob is located the top of chain gear is fixed the backup pad that is equipped with the support tube fixed disk respectively, the both ends of test tube fixed disk correspond adjust knob opens there is the hole of placing, the test tube fixed disk passes through place the pot cover and establish adjust knob is last, a plurality of test tube standing grooves have evenly been laid on test tube fixed disk surface.
2. The test tube mounting base of the water bath nitrogen blowing instrument as claimed in claim 1, wherein the upper end of the adjusting knob is provided with anti-skid lines.
3. The test tube mounting seat of the water bath nitrogen blowing instrument as claimed in claim 1, wherein the bottom ends of the adjusting knobs are respectively provided with insections, and the insections are matched with the toothed chain.
4. The test tube mounting seat of water bath nitrogen blowing instrument of claim 1, wherein the test tube fixing disk is provided with a double-layer structure, and the test tube placing grooves are formed on the two layers of surfaces of the test tube fixing disk.
5. The test tube mounting base of the water bath nitrogen blowing instrument as claimed in claim 4, wherein the test tube fixing disc is made of transparent material.
6. The test tube mounting base of the water bath nitrogen blowing instrument as claimed in claim 1, wherein the bottom tray is fixedly installed in a water tank of the nitrogen blowing instrument.
7. The test tube mounting base of the water bath nitrogen blowing instrument as claimed in any one of claims 1 and 4, wherein the toothed chain is driven between the gaps of the test tube placing grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121500204.3U CN215464578U (en) | 2021-07-02 | 2021-07-02 | Test tube mounting seat of water bath nitrogen blowing instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121500204.3U CN215464578U (en) | 2021-07-02 | 2021-07-02 | Test tube mounting seat of water bath nitrogen blowing instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215464578U true CN215464578U (en) | 2022-01-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121500204.3U Active CN215464578U (en) | 2021-07-02 | 2021-07-02 | Test tube mounting seat of water bath nitrogen blowing instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215464578U (en) |
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2021
- 2021-07-02 CN CN202121500204.3U patent/CN215464578U/en active Active
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