CN220356729U - Chemical sampler - Google Patents
Chemical sampler Download PDFInfo
- Publication number
- CN220356729U CN220356729U CN202321704372.3U CN202321704372U CN220356729U CN 220356729 U CN220356729 U CN 220356729U CN 202321704372 U CN202321704372 U CN 202321704372U CN 220356729 U CN220356729 U CN 220356729U
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- CN
- China
- Prior art keywords
- chuck
- sleeve
- connecting rod
- sampling tube
- pressing cap
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- 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.)
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- 239000000126 substance Substances 0.000 title claims abstract description 21
- 238000005070 sampling Methods 0.000 claims abstract description 48
- 238000001125 extrusion Methods 0.000 claims abstract description 19
- 238000001514 detection method Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a chemical sampler, which comprises a jacket, wherein a telescopic mechanism is arranged in the jacket, the front end of the jacket is provided with an extrusion mechanism, a sampling tube is arranged in the extrusion mechanism, and the telescopic mechanism stretches in the jacket to drive the extrusion mechanism to extrude the sampling tube. After the sampling tube is used, a new sampling tube can be taken out from the chuck and replaced, so that the accuracy of the next sample detection is not affected.
Description
Technical Field
The utility model relates to the technical field of chemical industry, in particular to a chemical sampler.
Background
In the process of sampling, the chemical sampler needs to draw the sampling tube deep into the chemical liquid, in the prior art, the sampling tube is fixed, in the process of sampling, part of liquid enters the sampling tube and remains in the sampling tube, and when the next sampling is performed, the part remains and can be mixed into the extracted liquid to influence the detection result of the sample.
Disclosure of Invention
The utility model provides a chemical sampler to solve the technical problem that a sampling tube cannot be replaced to influence the next sampling detection structure.
The utility model is realized by the following measures:
the utility model provides a chemical industry sampler, includes the overcoat, the inside telescopic machanism that is provided with of overcoat, the overcoat front end is provided with extrusion mechanism, be provided with the sampling tube in the extrusion mechanism, telescopic machanism is in the extension drive in the overcoat extrusion mechanism extrudes the sampling tube.
Preferably, the telescopic machanism includes connecting rod a, connecting rod a sets up the inside of overcoat, connecting rod a rear end is provided with connecting rod B, connecting rod B with connecting rod a threaded connection, connecting rod B rear end is provided with presses the cap, press the cap with connecting rod B bolted connection, connecting rod a with press the cap outside and be provided with fixed cover, fixed cover inboard one end with press and be provided with the spring between the cap, fixed cover inboard other end with overcoat threaded connection.
Preferably, the pressing cap comprises a pressing portion and a sleeve portion, a boss is arranged between the pressing portion and the sleeve portion, the fixing sleeve comprises a front section and a rear section, the diameter of the inner side of the front section of the fixing sleeve is smaller than that of the inner side of the rear section of the fixing sleeve, a step is formed at the junction of the inner side of the front section and the inner side of the rear section of the fixing sleeve, one end of the spring is fixedly connected with the boss of the pressing cap, the other end of the spring is fixedly connected with the step, and the diameter of the inner side of the rear section of the fixing sleeve is larger than the outer diameter of the sleeve portion of the pressing cap.
Preferably, the extrusion mechanism comprises a collet sleeve, the rear end of the collet sleeve is fixedly connected with the outer sleeve, a collet is arranged in the collet sleeve, the sampling tube is arranged in the collet, the sampling tube is a hollow hose, and the tail end of the sampling tube is closed.
Preferably, the inside diameter of chuck cover front end diminishes gradually, the chuck includes rear end, middle part and front end, the rear end of chuck with connecting rod A fixed connection, the diameter of the front end of chuck diminishes progressively, the middle part of chuck all is provided with the clearance, and the clearance extends to the anterior segment of chuck, the sampling tube is placed the anterior segment department of chuck, the external diameter of the front end of chuck is greater than the inside diameter of front end of chuck cover.
The utility model has the beneficial effects that:
1. after the sampling tube is used, a new sampling tube can be taken out from the chuck and replaced, so that the accuracy of the next sample detection is not affected.
2. When the chemical sample needs to be taken, the sampling tube is inserted into the sample, the extension of the telescopic mechanism is ensured, the telescopic mechanism is extruded when passing through the extrusion mechanism, then the sampling tube is extruded, the air in the sampling tube is extruded, the telescopic mechanism is retracted, and the chemical sample is extruded into the sampling tube under the atmospheric pressure, so that the sampling of the chemical sample is completed.
3. The pressing cap, the connecting rod B, the connecting rod A and the clamping head are fixedly connected together, a downward acting force is applied to the pressing cap, the clamping head moves towards the front end of the clamping head sleeve, when the clamping head needs to retract into the clamping head sleeve, the pressing cap is released, and the pressing cap is restored to the initial position under the action of the spring.
4. The diameter of the inner side of the rear section of the fixing sleeve is larger than that of the sleeve part of the pressing cap, so that the pressing cap can conveniently stretch and retract in the fixing sleeve.
5. When the chuck stretches towards the front end of the chuck sleeve, the outer diameter of the front section of the chuck is larger than the inner diameter of the front end of the chuck sleeve, so that the chuck is extruded when passing through the front end of the chuck sleeve, the extruded front section of the chuck is compressed towards the middle due to the clearance arranged on the chuck, a sampling tube at the front section of the chuck is finally extruded, air of the sampling tube is discharged, and a sample is extruded into the sampling tube under the atmospheric pressure.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of the structure of the present utility model with the outer sheath removed and the retaining sheath.
FIG. 3 is a schematic view of the present utility model with the collet removed.
Fig. 4 is a cross-sectional view of the present utility model.
Fig. 5 is a partial enlarged view at a of fig. 4.
Wherein, the reference numerals are as follows: 1. a jacket; 2. a telescoping mechanism; 21. a connecting rod A;22. a connecting rod B;23. pressing the cap; 231. a boss; 24. a fixed sleeve; 241. a step; 25. a spring; 3. an extrusion mechanism; 31. a nip sleeve; 32. a chuck; 4. and (5) a sampling tube.
Detailed Description
In order to clearly illustrate the technical characteristics of the scheme, the scheme is explained below through a specific embodiment.
The utility model provides a chemical industry sampler, includes overcoat 1, and overcoat 1 inside is provided with telescopic machanism 2, and overcoat 1 front end is provided with extrusion mechanism 3, is provided with sampling tube 4 in the extrusion mechanism 3, and telescopic machanism 2 extends drive extrusion mechanism 3 extrusion sampling tube 4 in overcoat 1.
When the chemical sample needs to be taken, the sampling tube is inserted into the sample, the extension of the telescopic mechanism is ensured, the telescopic mechanism is extruded when passing through the extrusion mechanism, then the sampling tube is extruded, the air in the sampling tube is extruded, the telescopic mechanism is retracted, and the chemical sample is extruded into the sampling tube under the atmospheric pressure, so that the sampling of the chemical sample is completed.
The telescopic mechanism 2 comprises a connecting rod A21, the connecting rod A21 is arranged in the outer sleeve 1, a connecting rod B22 is arranged at the rear end of the connecting rod A21, the connecting rod B22 is in threaded connection with the connecting rod A21, a pressing cap 23 is arranged at the rear end of the connecting rod B22, the pressing cap 23 is in threaded connection with the connecting rod B22, a fixing sleeve 24 is arranged at the outer side of the connecting rod A21 and the pressing cap 23, a spring 25 is arranged between one end of the inner side of the fixing sleeve 24 and the pressing cap 23, and the other end of the inner side of the fixing sleeve 24 is in threaded connection with the outer sleeve 1.
The pressing cap, the connecting rod B, the connecting rod A and the clamping head are fixedly connected together, a downward acting force is applied to the pressing cap, the clamping head moves towards the front end of the clamping head sleeve, when the clamping head needs to retract into the clamping head sleeve, the pressing cap is released, and the pressing cap is restored to the initial position under the action of the spring.
The pressing cap 23 comprises a pressing portion and a sleeve portion, a boss 231 is arranged between the pressing portion and the sleeve portion, the fixing sleeve 24 comprises a front section and a rear section, the diameter of the inner side of the front section of the fixing sleeve 24 is smaller than that of the inner side of the rear section, a step 241 is formed at the junction of the inner side of the front section and the inner side of the rear section, one end of the spring 25 is fixedly connected with the boss 231 of the pressing cap 23, the other end of the spring 25 is fixedly connected with the step 241, and the diameter of the inner side of the rear section of the fixing sleeve 24 is larger than the outer diameter of the sleeve portion of the pressing cap 23.
The diameter of the inner side of the rear section of the fixing sleeve is larger than that of the sleeve part of the pressing cap, so that the pressing cap can conveniently stretch and retract in the fixing sleeve.
The extrusion mechanism 3 comprises a chuck sleeve 31, the rear end of the chuck sleeve 31 is fixedly connected with the outer sleeve 1, a chuck 32 is arranged in the chuck sleeve 31, a sampling tube 4 is arranged in the chuck 32, the sampling tube is a hollow hose, and the tail end of the sampling tube is closed.
The inside diameter of chuck cover 31 front end diminishes gradually, chuck 32 includes rear end, intermediate part and front end, and the rear end and the connecting rod A21 fixed connection of chuck 32, the diameter of the front end of chuck 32 grow gradually, and the intermediate part of chuck 32 all is provided with the clearance, and the clearance extends to the anterior segment of chuck, and sampling tube 4 is placed in the anterior segment department of chuck 32, and the external diameter of the front end of chuck is greater than the inside diameter of the front end of chuck cover 31.
When the chuck stretches towards the front end of the chuck sleeve, the outer diameter of the front section of the chuck is larger than the inner diameter of the front end of the chuck sleeve, so that the chuck is extruded when passing through the front end of the chuck sleeve, the extruded front section of the chuck is compressed towards the middle due to the clearance arranged on the chuck, a sampling tube at the front section of the chuck is finally extruded, air of the sampling tube is discharged, and a sample is extruded into the sampling tube under the atmospheric pressure.
The technical features of the present utility model that are not described in the present utility model may be implemented by or using the prior art, and are not described in detail herein, but the above description is not intended to limit the present utility model, and the present utility model is not limited to the above examples, but is also intended to be within the scope of the present utility model by those skilled in the art.
Claims (5)
1. The utility model provides a chemical industry sampler, includes overcoat (1), its characterized in that, overcoat (1) inside is provided with telescopic machanism (2), overcoat (1) front end is provided with extrusion mechanism (3), be provided with sampling tube (4) in extrusion mechanism (3), telescopic machanism (2) are in extension drive in overcoat (1) extrusion mechanism (3) extrusion sampling tube (4).
2. The chemical sampler according to claim 1, characterized in that the telescopic mechanism (2) comprises a connecting rod a (21), the connecting rod a (21) is arranged inside the outer sleeve (1), a connecting rod B (22) is arranged at the rear end of the connecting rod a (21), the connecting rod B (22) is in threaded connection with the connecting rod a (21), a pressing cap (23) is arranged at the rear end of the connecting rod B (22), the pressing cap (23) is in threaded connection with the connecting rod B (22), a fixing sleeve (24) is arranged outside the connecting rod a (21) and the pressing cap (23), a spring (25) is arranged between one end inside the fixing sleeve (24) and the pressing cap (23), and the other end inside the fixing sleeve (24) is in threaded connection with the outer sleeve (1).
3. The chemical sampler according to claim 2, characterized in that the pressing cap (23) comprises a pressing part and a sleeve part, a boss (231) is arranged between the pressing part and the sleeve part, the fixing sleeve (24) comprises a front section and a rear section, the diameter of the inner side of the front section of the fixing sleeve (24) is smaller than that of the inner side of the rear section, a step (241) is formed at the junction of the inner side of the front section and the inner side of the rear section, one end of the spring (25) is fixedly connected with the boss (231) of the pressing cap (23), the other end of the spring is fixedly connected with the step (241), and the diameter of the inner side of the rear section of the fixing sleeve (24) is larger than the outer diameter of the sleeve part of the pressing cap (23).
4. Chemical sampler according to claim 2, characterized in that the squeezing mechanism (3) comprises a collet sleeve (31), the rear end of the collet sleeve (31) is fixedly connected with the outer sleeve (1), a collet (32) is arranged inside the collet sleeve (31), and the sampling tube (4) is arranged inside the collet (32).
5. The chemical sampler according to claim 4, wherein the diameter of the inside of the front end of the chuck sleeve (31) is gradually reduced, the chuck (32) comprises a rear end, a middle part and a front end, the rear end of the chuck (32) is fixedly connected with the connecting rod A (21), the diameter of the front end of the chuck (32) is gradually increased, gaps are formed in the middle part of the chuck (32) and extend to the front section of the chuck, the sampling tube (4) is placed at the front section of the chuck (32), and the outer diameter of the front end of the chuck is larger than the diameter of the inside of the front end of the chuck sleeve (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321704372.3U CN220356729U (en) | 2023-06-30 | 2023-06-30 | Chemical sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321704372.3U CN220356729U (en) | 2023-06-30 | 2023-06-30 | Chemical sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220356729U true CN220356729U (en) | 2024-01-16 |
Family
ID=89502155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321704372.3U Active CN220356729U (en) | 2023-06-30 | 2023-06-30 | Chemical sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220356729U (en) |
-
2023
- 2023-06-30 CN CN202321704372.3U patent/CN220356729U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |