CN207623069U - A kind of analytical chemistry fluid sampling device - Google Patents
A kind of analytical chemistry fluid sampling device Download PDFInfo
- Publication number
- CN207623069U CN207623069U CN201721914777.4U CN201721914777U CN207623069U CN 207623069 U CN207623069 U CN 207623069U CN 201721914777 U CN201721914777 U CN 201721914777U CN 207623069 U CN207623069 U CN 207623069U
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- piston rod
- nut
- plane bearing
- piston
- face
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Abstract
A kind of analytical chemistry fluid sampling device, belongs to technical field of analytical chemistry.It provides a kind of analytical chemistry fluid sampling device for capableing of one-handed performance.The piston rod is arranged in probe tube, piston rod front end is rotatablely connected by attachment device and piston rear end, the piston rod is equipped with external screw thread, piston rod sequentially passes through frontal plane bearing, nut and rear plane bearing and is arranged in handle jacket, the nut is threadedly coupled with piston rod rear end, nut front end face is rotatablely connected by frontal plane bearing and probe tube rear end face, and nut back end face is rotatablely connected by rear plane bearing and handle jacket front end face.When the utility model is used, only needing a hand holding handle jacket and rotating nuts that piston rod band piston is made to be moved along probe tube can be completed sampling work, one-handed performance is realized, it is simple in structure, it is easy to operate.
Description
Technical field
The utility model belongs to technical field of analytical chemistry, more particularly to a kind of analytical chemistry fluid sampling device.
Background technology
Analytical chemistry is the analysis method and reason of the chemical informations such as composition, content, structure and form about research substance
The a science of opinion is an important branch of chemistry.It is to be grouped by what group containing those components and substance in identification substance
At measuring the relative amount of various components, study the molecular structure or crystal of substance.
It in the experimental study of analytical chemistry, will often be related to liquid sampling work, carry out liquid sampling analysis, and
Liquid sampling work is carried out using sampler, and existing fluid sampling device needs both hands to be operated, in some cases
It is lower that certain inconvenience can be caused to operator.
Invention content
In view of the above-mentioned problems of the prior art, the utility model provides a kind of analytical chemistry liquid for capableing of one-handed performance
Body sampler.
Technical solution adopted in the utility model is：A kind of analytical chemistry fluid sampling device, including probe tube and work
Plug；The piston is slidably arranged in probe tube, the analytical chemistry fluid sampling device further include attachment device, piston rod,
Frontal plane bearing, nut, rear plane bearing and handle jacket；The piston rod is arranged in probe tube, and piston rod front end passes through
Attachment device is rotatablely connected with piston rear end, and the piston rod is equipped with external screw thread, and piston rod sequentially passes through frontal plane bearing, nut
And rear plane bearing and be arranged in handle jacket, the nut is threadedly coupled with piston rod rear end, before nut front end face passes through
Plane bearing is rotatablely connected with probe tube rear end face, and nut back end face is connected by rear plane bearing and the rotation of handle jacket front end face
It connects.
The beneficial effects of the utility model are：
When the utility model is used, a hand holding handle jacket and rotating nuts is only needed to make piston rod band piston edge
It probe tube movement and sampling work can be completed, realize one-handed performance, it is simple in structure, it is easy to operate.
Description of the drawings
Fig. 1：The utility model structure diagram；
Fig. 2：The utility model attachment device structural schematic diagram；
Wherein：1- probe tubes；2- pistons；3- attachment devices；3-1-L templates；3-2- half-round cross holes；4- piston rods；Before 5-
Plane bearing；6- nuts；Plane bearing after 7-；8- handle jackets.
Specific implementation mode
As shown in Figure 1 and Figure 2, a kind of analytical chemistry fluid sampling device, including probe tube 1 and piston 2；The piston 2 is slided
Dynamic to be arranged in probe tube 1, the analytical chemistry fluid sampling device further includes attachment device 3, piston rod 4, frontal plane bearing
5, nut 6, rear plane bearing 7 and handle jacket 8；The piston rod 4 is arranged in probe tube 1, and 4 front end of piston rod passes through connection
Device 3 is connect with 2 rear end thereof of piston, and the piston rod 4 is equipped with external screw thread, and piston rod 4 sequentially passes through frontal plane bearing 5, spiral shell
Mother 6 and rear plane bearing 7 are simultaneously arranged in handle jacket 8, and the nut 6 is threadedly coupled with 4 rear end of piston rod, 6 front end of nut
Face is rotatablely connected by frontal plane bearing 5 and 1 rear end face of probe tube, and 6 rear end face of nut passes through rear plane bearing 7 and handle jacket
8 front end faces are rotatablely connected.Handle jacket 8 and probe tube 1 are coaxially disposed.
Handle jacket 8 and rotating nut 6 are held, the rotation of nut 6 makes piston rod 4 be moved forward and backward along nut 6, piston rod 4
Band piston 2 moves in probe tube 1 during back-and-forth motion, to realize the process for extracting sample or exporting sample.
Nut 6 avoids probe tube 1 and taper knob during rotation, by frontal plane bearing 5 and rear plane bearing 7
The rotation of cylinder 8.
The attachment device 3 is U-shaped board, and the U-shaped board both ends are connect with 2 rear end of piston, and U-shaped board rear end face offers
The circular through hole being inserted into convenient for piston rod 4.
The attachment device 3 includes that two L-type plates 3-1, described two L-type plate 3-1 are opposite and contact with each other setting and shape
At U-shaped structure, each L-type plate 3-1 offers half-round cross hole 3-2 in two L-type plate 3-1 touching positions.Two L-type plate 3-1
It is rotatablely connected, is first rotated outward two L-type plate 3-1, then piston rod 4 is put into semicircle and is led to by torsional spring with 2 rear end of piston
After in the 3-2 of hole, two L-type plate 3-1 are decontroled, two L-type plate 3-1 merge under the action of torsional spring, realize piston rod 4 and connect and fill
Set 3 rotation connection.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (3)
1. a kind of analytical chemistry fluid sampling device, including probe tube（1）And piston（2）；The piston（2）It is slidably arranged in and takes
Sample pipe（1）It is interior, it is characterised in that：The analytical chemistry fluid sampling device further includes attachment device（3）, piston rod（4）, it is preceding flat
Spherical bearing（5）, nut（6）, rear plane bearing（7）And handle jacket（8）；The piston rod（4）It is arranged in probe tube（1）It is interior,
Piston rod（4）Front end passes through attachment device（3）With piston（2）Rear end thereof connects, the piston rod（4）It is living equipped with external screw thread
Stopper rod（4）Sequentially pass through frontal plane bearing（5）, nut（6）And rear plane bearing（7）And it is arranged in handle jacket（8）It is interior, it is described
Nut（6）With piston rod（4）Rear end is threadedly coupled, nut（6）Front end face passes through frontal plane bearing（5）With probe tube（1）Rear end
Face is rotatablely connected, nut（6）Rear end face passes through rear plane bearing（7）With handle jacket（8）Front end face is rotatablely connected.
2. a kind of analytical chemistry fluid sampling device according to claim 1, it is characterised in that：The attachment device（3）
For U-shaped board, the U-shaped board both ends are and piston（2）Rear end connects, and U-shaped board rear end face offers convenient for piston rod（4）It is inserted into
Circular through hole.
3. a kind of analytical chemistry fluid sampling device according to claim 2, it is characterised in that：The attachment device（3）
Including two L-type plates（3-1）, described two L-type plates（3-1）It is opposite and contact with each other and setting and form U-shaped structure, each L-type
Plate（3-1）In two L-type plates（3-1）Touching position offers half-round cross hole（3-2）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721914777.4U CN207623069U (en) | 2017-12-31 | 2017-12-31 | A kind of analytical chemistry fluid sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721914777.4U CN207623069U (en) | 2017-12-31 | 2017-12-31 | A kind of analytical chemistry fluid sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207623069U true CN207623069U (en) | 2018-07-17 |
Family
ID=62831028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721914777.4U Expired - Fee Related CN207623069U (en) | 2017-12-31 | 2017-12-31 | A kind of analytical chemistry fluid sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207623069U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110429017A (en) * | 2019-08-09 | 2019-11-08 | 山东安准智能科技有限公司 | A kind of sampling desorption apparatus |
-
2017
- 2017-12-31 CN CN201721914777.4U patent/CN207623069U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110429017A (en) * | 2019-08-09 | 2019-11-08 | 山东安准智能科技有限公司 | A kind of sampling desorption apparatus |
| CN110429017B (en) * | 2019-08-09 | 2021-09-21 | 山东安准智能科技有限公司 | Sampling desorption device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180717 Termination date: 20201231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |