CN207769847U - A kind of test tube clamping device of nitrogen evaporator - Google Patents
A kind of test tube clamping device of nitrogen evaporator Download PDFInfo
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- CN207769847U CN207769847U CN201721814159.2U CN201721814159U CN207769847U CN 207769847 U CN207769847 U CN 207769847U CN 201721814159 U CN201721814159 U CN 201721814159U CN 207769847 U CN207769847 U CN 207769847U
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- clamping
- threaded rod
- sliding rail
- clamping section
- sample
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Abstract
The utility model discloses a kind of test tube clamping device of nitrogen evaporator, including sample tube, threaded rod, clamping structure, upper and lower displacement structure and left and right sidesing shifting structure, the sample tube is clamped with the clamping structure and is connected, the sample tube is equipped with graduation mark, one end of the threaded rod passes through the clamping structure and is rotatablely connected with clamping structure, the other end of the threaded rod is connect with the displacement structure up and down, the left and right sidesing shifting structure is located at the lower section of the displacement structure up and down, and the left and right sidesing shifting structure is slidably connected with the displacement structure up and down.Compared with prior art, when so that carrying out nitrogen to sample liquid blows concentration operation of the utility model, the concentration observation of sample liquid is more convenient, has the characteristics that concentration precision is high, easy to operate and work efficiency is high.
Description
Technical field
The utility model is related to nitrogen evaporator fields, and in particular to be a kind of test tube clamping device of nitrogen evaporator.
Background technology
Currently, during the use of nitrogen evaporator, typically the sample liquid for needing nitrogen evaporator progress nitrogen to blow concentration is placed in
In sample tube, on the Sample location frame being placed on sample tube in nitrogen evaporator, by nitrogen evaporator in sample tube
Sample liquid carries out nitrogen and blows concentration operation, so that organic solvent is volatilized rapidly particular by nitrogen, to realize the concentration of sample.So
And the sample liquid of various concentration is obtained after needing the nitrogen in nitrogen evaporator to blow concentration according to actual demand, and the concentration master of sample liquid
Will by the liquor capacity of sample liquid, corresponding scale carries out observation judgement on sample tube, and need liquor capacity compared with
Few, when the higher sample liquid of higher concentration, the scale of sample tube bottom is blocked by Sample location frame, can not observe that sample tries
The volume situation of sample liquid in pipe, therefore, in the nitrogen of nitrogen evaporator blows concentration process, in order to avoid sample liquid it is excessive concentration or
Fail to reach required sample liquid concentration, the sample tube being opposite in real time inside Sample location frame is needed to extract and observe
The liquor capacity of sample liquid, this types of procedures is cumbersome and complicated, and working efficiency is low.
In view of this, the applicant furthers investigate regarding to the issue above, there is this case generation then.
Utility model content
The main purpose of the utility model is to provide a kind of test tube clamping device of nitrogen evaporator, to blow nitrogen dense
The concentration observation of the sample liquid of contracting is more convenient, has the characteristics of easy to operate, work efficiency is high.
In order to achieve the above objectives, the solution of the utility model is：
A kind of test tube clamping device of nitrogen evaporator, wherein including sample tube, threaded rod, clamping structure, up and down displacement
Structure and left and right sidesing shifting structure, the sample tube are clamped with the clamping structure and are connected, and the sample tube, which is equipped with, to be carved
Spend line, one end of the threaded rod passes through the clamping structure and is rotatablely connected with clamping structure, the threaded rod it is another
End is connect with the displacement structure up and down, and the left and right sidesing shifting structure is located at the lower section of the displacement structure up and down, and described
Left and right sidesing shifting structure is slidably connected with the displacement structure up and down.
Further, the clamping structure include the first clamping section, the second clamping section, adjustment portion and spring, described first
Clamping section is located in the circumferential direction of the adjustment portion with the second clamping section and is rotatablely connected with adjustment portion, first clamping section and institute
It states and is equipped with tread plate on the opposite face between the second clamping section, the adjustment portion is equipped with internal thread through hole, the threaded rod
The internal thread through hole is rotated through, the spring is located between first clamping section and the second clamping section.
Further, the displacement structure up and down includes the first horizontal stripe, the first vertical bar, the first sliding block and the first sliding rail, institute
It states the first horizontal stripe to be horizontally disposed in the lateral direction, one end of first horizontal stripe is connect with threaded rod, first horizontal stripe
The other end is connect with the first sliding block, and first vertical bar is being vertically arranged up and down, and first sliding rail is located at described first vertically
On vertical bar, first sliding block is slidably connected with the first sliding rail.
Further, the left and right sidesing shifting structure includes the second sliding block, the second sliding rail and pedestal, and second sliding rail is located at
On the pedestal and the second sliding rail left and right directions is arranged, and second sliding block is slidably connected with second sliding rail, described
Second sliding block is connect with first vertical bar.
With the above structure, the utility model is related to a kind of nitrogen evaporator test tube clamping device, pass through clamping
Clamping of the structure to sample tube, then sample tube is completed by threaded rod and realizes that upper and lower directions is accurate around the rotation of threaded rod
Position adjustment, the adjustment of upper and lower directions level height is completed by upper and lower displacement structure and is completed by left and right sidesing shifting structure
The position adjustment of sample tube in left and right directions, then blows the body of the sample liquid after concentration by precalculated sample liquid nitrogen
Product so that the corresponding scale of volume of precalculated sample liquid and Sample location frame horizontal alignment, therefore, as long as in sample
The liquid level of product liquid can stop nitrogen and blow concentration operation when dropping to the horizontal alignment with Sample location frame, complete to the dense of sample liquid
Contracting purification.Compared with prior art, the utility model has feature easy to operate, accurate to the concentrating degree of sample liquid, greatly
Greatly improve the efficiency that concentration is blown the nitrogen of sample liquid.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model and the cooperation of Sample location frame.
Fig. 2 is the overall structure diagram of the utility model.
Fig. 3 is the side view of the utility model.
Fig. 4 is the vertical view of the utility model.
Fig. 5 is the schematic diagram of clamping structure in the utility model.
In figure：
Sample tube -1；Graduation mark -11；Threaded rod -2；Clamping structure -3；
First clamping section -31；Second clamping section -32；Adjustment portion -33；
Spring -34；Tread plate -35；Internal thread through hole -36；Left and right sidesing shifting structure -4；
First horizontal stripe -41；First vertical bar -42；First sliding block -43；First sliding rail -44；
Upper and lower displacement structure -5；Second sliding block -51；Second sliding rail -52；Pedestal -53.
Specific implementation mode
In order to which the technical solution of the utility model is explained further, below by specific embodiment come to the utility model into
Row elaborates.
In figure X, Y, Z coordinate indicate respectively the utility model front-rear direction, left and right directions and upper and lower directions and its
Middle coordinate X is directing forwardly to, coordinate Y and is directed toward right direction, coordinate Z point up to.
As shown in Figs. 1-5, the test tube clamping device of a kind of nitrogen evaporator, wherein including sample tube 1, threaded rod 2, folder
Locking structure 3, upper and lower displacement structure 5 and left and right sidesing shifting structure 4, the sample tube 1 are clamped with the clamping structure 3 and are connected,
The sample tube 1 is equipped with graduation mark 11, and the graduation mark 11 is used to weigh the volume of the sample liquid inside sample tube 1,
To judge the concentration of sample liquid；One end of the threaded rod 2, which passes through the clamping structure 3 and rotated with clamping structure 3, to be connected
It connects, the other end of the threaded rod 25 connect with the displacement structure up and down, and the clamping structure 3 with threaded rod 2 by matching
It closes so that clamping structure 3 realizes movement in above-below direction while being rotated around threaded rod 2 so that precalculated sample
The corresponding scale of volume after liquid concentration and Sample location frame horizontal alignment.And in level side when the clamping structure 3 rotates
Upward swing realizes sample tube 1 relative to the position of locating rack and the variation of angle, so that sample tube 1 can
It is placed in test tube different on locating rack and places mouth；The left and right sidesing shifting structure 4 is located at the lower section of the displacement structure 5 up and down, institute
Upper and lower displacement structure 5 is stated to be used for realizing the coarse adjustment function of sample tube 1 in above-below direction；And the left and right sidesing shifting structure 4 with
The displacement structure up and down 5 is slidably connected, and the left and right sidesing shifting structure 4 is used for adjusting the sample tube 1 in left and right directions
Mouth is placed in position to which sample tube 1 is placed in test tube different on Sample location frame.
Preferably, the clamping structure 3 includes the first clamping section 31, the second clamping section 32, adjustment portion 33 and spring 34,
First clamping section, 31 and second clamping section 32 is located in the circumferential direction of the adjustment portion 33 and is rotatablely connected with adjustment portion 33, from
And realize the variation of the distance between the first clamping section 31 and the second clamping section 32；First clamping section 31 is clamped with described second
Tread plate 35 is equipped on opposite face between portion 32, the tread plate 35 is used for preventing sample tube 1 by the first clamping section
31 and second clamping section 32 clamp after loosen；The adjustment portion 33 is equipped with internal thread through hole 36, and the threaded rod 2 rotates through
The internal thread through hole 36, by threaded rod 2 and in adjustment portion 33 cooperation of internal thread realize entire clamping structure 3 on move down
It is dynamic；The spring 34 is located between first clamping section, 31 and second clamping section 32, and the spring 34 is used for sample tube 1
Clamping, when pull open the first clamping section 31 and the second clamping section 32 and by sample tube 1 be placed in the first clamping section 31 and second folder
On tread plate 35 between tight portion 32, at this point, spring 34 is in the state being stretched, after placing sample tube 1, first is unclamped
Clamping section 31 and the second clamping section 32 so that spring 34 is shunk, and tenses the first clamping section 31 and the second clamping section 32 so that sample
Test tube 1 is secured firmly on clamping structure 3.
Preferably, the displacement structure 5 up and down includes the first horizontal stripe 41, the first vertical bar 42, the first sliding block 43 and first
Sliding rail 44, first horizontal stripe 41 are horizontally disposed in the lateral direction, and one end of first horizontal stripe 41 is connect with threaded rod 2,
The other end of first horizontal stripe 41 is connect with the first sliding block 43, and first vertical bar 42 is being vertically arranged up and down, and described first
Sliding rail 44 is located at vertically on first vertical bar 42, and first sliding block 43 is slidably connected with the first sliding rail 44, is slided by first
Sliding of the block 43 on the first sliding rail 44 on the first vertical bar 42 enables the first horizontal stripe 41 on the first sliding block 43 to realize upper
The movement in lower direction to drive moving up and down for clamping structure 3, and then is played to sample tube 1 relative to Sample location frame
On level height corrective action, finally so that the corresponding scale of volume and sample after the concentration of precalculated sample liquid
Locating rack horizontal alignment.
Preferably, the left and right sidesing shifting structure 4 include the second sliding block 51, the second sliding rail 52 and pedestal 53, described second
Sliding rail 52 is located on the pedestal 53 and 52 left and right directions of the second sliding rail is arranged, and second sliding block 51 is slided with described second
Rail 52 is slidably connected, and second sliding block 51 is connect with first vertical bar 42, and second sliding block 51 is by described second
Movement on sliding rail 52 makes sample tube 1 realize movement in the lateral direction, to realize the position adjustment of sample tube 1.
The utility model is mainly the volume for the sample liquid that precalculated sample liquid nitrogen is blown after concentration, new by this practicality
The test tube clamping device of type makes the corresponding scale of the volume of precalculated sample liquid and Sample location frame horizontal alignment,
Then it carries out nitrogen and blows concentration operation, as long as can stop when the liquid level of sample liquid drops to the horizontal alignment with Sample location frame
Nitrogen blows concentration operation, completes the concentration to sample liquid and purifies.
The product form and style of above-described embodiment and schema and non-limiting the utility model, any technical field
The appropriate changes or modifications that those of ordinary skill does it all should be regarded as the patent category for not departing from the utility model.
Claims (4)
1. a kind of test tube clamping device of nitrogen evaporator, which is characterized in that including sample tube, threaded rod, clamping structure, up and down
Displacement structure and left and right sidesing shifting structure, the sample tube are clamped with the clamping structure and are connected, and are set on the sample tube
There are graduation mark, one end of the threaded rod to pass through the clamping structure and be rotatablely connected with clamping structure, the threaded rod
The other end is connect with the displacement structure up and down, and the left and right sidesing shifting structure is located at the lower section of the displacement structure up and down, and
The left and right sidesing shifting structure is slidably connected with the displacement structure up and down.
2. a kind of test tube clamping device of nitrogen evaporator as described in claim 1, which is characterized in that the clamping structure includes
First clamping section, the second clamping section, adjustment portion and spring, first clamping section are located at the adjustment portion with the second clamping section
Circumferential direction on and be rotatablely connected with adjustment portion, be equipped on the opposite face between first clamping section and second clamping section
Tread plate, the adjustment portion are equipped with internal thread through hole, and the threaded rod rotates through the internal thread through hole, and the spring is set
Between first clamping section and the second clamping section.
3. a kind of test tube clamping device of nitrogen evaporator as described in claim 1, which is characterized in that the displacement structure up and down
Including the first horizontal stripe, the first vertical bar, the first sliding block and the first sliding rail, first horizontal stripe is horizontally disposed in the lateral direction,
One end of first horizontal stripe is connect with threaded rod, and the other end of first horizontal stripe is connect with the first sliding block, and described first is perpendicular
Item is being vertically arranged up and down, and first sliding rail is located at vertically on first vertical bar, and first sliding block and the first sliding rail are slided
Dynamic connection.
4. a kind of test tube clamping device of nitrogen evaporator as described in claim 1, which is characterized in that the left and right sidesing shifting structure
Including the second sliding block, the second sliding rail and pedestal, second sliding rail is set on the base and second sliding rail right and left
To setting, second sliding block is slidably connected with second sliding rail, and second sliding block is connect with first vertical bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721814159.2U CN207769847U (en) | 2017-12-22 | 2017-12-22 | A kind of test tube clamping device of nitrogen evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721814159.2U CN207769847U (en) | 2017-12-22 | 2017-12-22 | A kind of test tube clamping device of nitrogen evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207769847U true CN207769847U (en) | 2018-08-28 |
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ID=63227452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721814159.2U Active CN207769847U (en) | 2017-12-22 | 2017-12-22 | A kind of test tube clamping device of nitrogen evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207769847U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109174245A (en) * | 2018-10-18 | 2019-01-11 | 叶帆昊 | A kind of chemistry teaching experiment frame |
| CN112683620A (en) * | 2020-12-25 | 2021-04-20 | 湖北鼎泰高科有限公司 | Sample loading, column inserting and nitrogen blowing assembly of solid-phase extraction nitrogen blowing concentrator |
-
2017
- 2017-12-22 CN CN201721814159.2U patent/CN207769847U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109174245A (en) * | 2018-10-18 | 2019-01-11 | 叶帆昊 | A kind of chemistry teaching experiment frame |
| CN112683620A (en) * | 2020-12-25 | 2021-04-20 | 湖北鼎泰高科有限公司 | Sample loading, column inserting and nitrogen blowing assembly of solid-phase extraction nitrogen blowing concentrator |
| CN112683620B (en) * | 2020-12-25 | 2024-01-23 | 湖北鼎泰高科有限公司 | Sample loading, column inserting and nitrogen blowing assembly of solid-phase extraction nitrogen blowing concentrator |
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