CN214373621U - Batch sampling device for chemistry experiments - Google Patents
Batch sampling device for chemistry experiments Download PDFInfo
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- CN214373621U CN214373621U CN202120522830.6U CN202120522830U CN214373621U CN 214373621 U CN214373621 U CN 214373621U CN 202120522830 U CN202120522830 U CN 202120522830U CN 214373621 U CN214373621 U CN 214373621U
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- sampling device
- lifting platform
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- 238000005070 sampling Methods 0.000 title claims abstract description 70
- 238000002474 experimental method Methods 0.000 title claims abstract description 19
- 239000000126 substance Substances 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 7
- 239000000523 sample Substances 0.000 description 18
- 239000007788 liquid Substances 0.000 description 7
- 230000003028 elevating effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013068 control sample Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The invention discloses a batch sampling device for chemical experiments, which comprises a base and a lifting platform, wherein the base is provided with a plurality of grooves; the center of the top surface of the base is provided with an upright post and a turntable which are arranged in a rotating way; the upright post is provided with a jack, and a spring is arranged in the jack; the center of the bottom surface of the lifting platform is provided with a connecting rod, and the connecting rod is installed in the jack in a vertically sliding manner and is supported by a spring; the lifting platform is provided with a piston cylinder and a sampling cylinder, the piston cylinder is internally provided with a piston, the bottom of the piston cylinder is provided with a plurality of joints, the sampling cylinder takes the central axis of the piston cylinder as the center and is uniformly distributed along the circumferential direction, the top of the sampling cylinder is hermetically connected with the corresponding joint through a hose, and the cylinder body of the sampling cylinder is provided with scale marks; the hose can be conducted or blocked; the top surface of the piston is connected with a driving rod. The invention realizes sampling of different types of samples by using the plurality of sampling cylinders, expands the application range and improves the sampling efficiency, and in addition, the movement of the piston and the scale marks on the sampling cylinders can better control the amount of the samples.
Description
Technical Field
The utility model belongs to the technical field of experimental facilities, concretely relates to batch sampling device for chemistry experiments.
Background
In the process of carrying out chemical experiments, a sampling device is often needed to sample liquid samples, so that the samples can be conveniently detected. The common sampling mode is to use a sampling suction pipe to sample manually, and the sampling device absorbs a liquid sample by utilizing the principle of negative pressure effect generated by the expansion of an air bag at the end part and then extrudes the air bag to generate pressure to discharge the sample.
The above sampling method has the disadvantages that only one sample can be sampled at a time, and the sampling amount can not be controlled due to improper operation of the air bag during each sampling, thereby having adverse effects on experimental results.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the utility model provides a batch sampling device for chemistry experiments utilizes a plurality of sampling barrels can take a sample to different kinds of samples to improve sampling efficiency, utilize scale mark and piston volume of being convenient for more control sample simultaneously, thereby improve the sampling precision.
The utility model discloses a realize like this: a batch sampling device for chemical experiments comprises a base and a lifting platform; the center of the top surface of the base is provided with an upright post and a turntable, and the turntable is rotationally arranged; the upright post is provided with a jack, and a spring is arranged in the jack; a connecting rod is arranged in the center of the bottom surface of the lifting platform, and the connecting rod is vertically and slidably arranged in the jack and supported by the spring; the lifting platform is provided with a piston cylinder and a sampling cylinder, the piston cylinder is internally provided with a piston, the bottom of the piston cylinder is provided with a plurality of joints, the sampling cylinder takes the central axis of the piston cylinder as the center and is uniformly distributed along the circumferential direction, the top of the sampling cylinder is hermetically connected with the corresponding joint through a hose, and the cylinder body of the sampling cylinder is provided with scale marks; the hose can be conducted or blocked; the top surface of the piston is connected with a driving rod.
Further, the bottom of the turntable is rotatably mounted on the top surface of the base through a rotary support.
Furthermore, a cylinder cap is connected to the top of the sampling cylinder in a sealing and screwing manner, and a joint of the cylinder cap is connected with the hose in a sealing manner.
Furthermore, a plurality of mounting holes and threaded holes communicated with the mounting holes are distributed on the lifting platform, and the sampling tube is arranged in the corresponding mounting hole and is fixed by a puller bolt in the threaded hole in a threaded manner.
Furthermore, a threaded hole is formed in the center of the lifting platform, a screw rod is arranged at the bottom of the piston cylinder, and the screw rod of the piston cylinder is in threaded connection with the threaded hole.
Further, a fixing frame is installed on the lifting platform and provided with a threaded hole, a rod body of the driving rod is provided with threads and is in threaded connection with the threaded hole of the fixing frame, a hand wheel is arranged at the top of the driving rod, and the top of the hand wheel is in rotary connection with the top of the piston.
Further, the connecting rod and the jack form an anti-torsion sliding connection through an anti-torsion structure.
Further, the torsion-resistant structure is a spline structure or a multi-edge structure.
Further, the hose is communicated or blocked through the pipe clamp.
Further, the bottom surface of base is provided with the sucking disc.
The utility model discloses the beneficial effect who brings is: the sampling device provided by the invention realizes sampling of different types of samples by using the plurality of sampling cylinders, expands the application range, improves the sampling efficiency, and brings great convenience to the operation of related experiments; in addition, the amount of sample can be better controlled by the movement of the plunger and the graduation marks on the sampling cylinder.
Drawings
FIG. 1 is a perspective view of a preferred embodiment of the present invention in a non-sampling state;
FIG. 2 is a front view of the embodiment of FIG. 1 in a non-sampling state;
FIG. 3 is a sectional view of the structure taken along line A-A in FIG. 2;
FIG. 4 is a perspective view of the embodiment shown in FIG. 1 in a sampling state;
FIG. 5 is a front view of the embodiment shown in FIG. 1 in a sampling state.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 to 5, a batch sampling device for chemical experiments includes a base 1 and a lifting table 5; the top surface center of base 1 is provided with stand 3 and carousel 2, and carousel 2 rotates the setting for place hold the container 100 of liquid sample. The upright post 3 is provided with a jack in which a spring 13 is arranged, the center of the bottom surface of the lifting platform 5 is provided with a connecting rod 11, and the connecting rod 11 is installed in the jack in a vertically sliding manner and supported by the spring 13. As shown in fig. 1 to 3, the elevating platform 5 is at a high position supported by the spring 13, as shown in fig. 4 and 5, when the elevating platform 5 is pressed by hand, the elevating platform 5 descends and compresses the spring 13, and after sampling is finished, the elevating platform 5 automatically restores to the original position by releasing the hand. Be provided with piston cylinder 8 and sampler barrel 4 on elevating platform 5, be provided with piston 14 in the piston cylinder 8, its bottom is provided with a plurality of joints 15, and sampler barrel 4 uses the central axis of piston cylinder 8 as the center, along circumferencial direction evenly distributed, and hose 7 and the 15 sealing connection of joint that correspond are passed through to the top of sampler barrel 4, and its stack shell is provided with the scale mark. The amount of the sample is controlled according to the liquid level change of the visual measurement liquid sample in the suction sampling tube 4, so that the sampling work is more convenient and efficient. The hose 7 can be open or blocked. A drive rod 16 is attached to the top surface of piston 14. The piston 14 can be lifted up by pulling the driving rod 16, so that negative pressure is generated in the piston cylinder 8, the sample is sucked into the sampling cylinder 4, and similarly, the sample in the sampling cylinder 4 can be discharged by pressing the piston 14 downwards.
In an alternative embodiment, the bottom of the turntable 2 is rotatably mounted on the top surface of the base 1 by means of a rotary support 12. The rotation of the rotary plate 2 is realized by means of the rotary mounting, so that the containers 100 placed on the rotary plate 2 can be rotated below the corresponding sampling cylinders 4 in turn, and thus, the transfer of samples among different containers 100 can be realized.
In an alternative embodiment, the top of the sampling tube 4 is screwed with a tube cap 17 in a sealing way, and the joint of the tube cap 17 is connected with the hose 7 in a sealing way. This connection makes it possible to open the top of the withdrawal chimney 4 completely, thereby facilitating subsequent cleaning.
In an optional embodiment, a plurality of mounting holes and threaded holes communicated with the mounting holes are distributed on the lifting platform 5, and the sampling tube 4 is arranged in the corresponding mounting hole and fixed by a puller bolt 6 screwed in the threaded hole. The mode that utilizes puller bolt 6 to realize sampling tube 4 fixed can the different pipe diameters of adaptation sampling tube 4's installation, has improved sampling tube 4 and has taken in a flexible way.
In an alternative embodiment, a threaded hole is formed in the center of the lifting platform 5, a screw is arranged at the bottom of the piston cylinder 8, and the screw of the piston cylinder 8 is in threaded connection with the threaded hole. The piston cylinder 8 can be conveniently mounted in a threaded connection mode.
In an alternative embodiment, a fixed frame 9 is mounted on the lifting platform 5, the fixed frame 9 is provided with a threaded hole, the shaft of the driving rod 16 is provided with threads and is screwed with the threaded hole of the fixed frame 9, the top of the driving rod is provided with a hand wheel 10, and the top of the hand wheel is rotatably connected with the top of the piston 14. The threaded connection allows drive rod 16 to be rotationally driven while simultaneously moving axially, thereby allowing piston 14 to move more easily and thus improving the accuracy of the sample.
In an alternative embodiment, the connecting rod 11 forms a torsion-resistant sliding connection with the socket by means of a torsion-resistant construction. The rotation of the lifting table 5 during the lifting process can be avoided by the anti-rotation connection, so that the sampling can be smoothly performed by immersing the lifting table into the sample in the container 100.
In an alternative embodiment, the anti-torque structure is a spline structure or a multi-ribbed structure.
In an alternative embodiment, the hose 7 is conducted or blocked by means of a pipe clamp 18. When the hose 7 needs to be blocked, the corresponding hose 7 is clamped by the pipe clamp 18 to block the liquid circulation, and the corresponding sampling cylinder 4 cannot suck the sample. When the hose 7 needs to be conducted, the pipe clamp 18 is only required to be removed to realize the liquid circulation, and the corresponding sampling cylinder 4 can suck a sample under the negative pressure action of the piston cylinder 8.
In an alternative embodiment, the bottom surface of the base 1 is provided with suction cups. Can prevent through the sucking disc that base 1 is firm to be fixed on the laboratory bench from taking place to rock and lead to the sample to reveal in the sample operation process.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A batch sampling device for chemical experiments is characterized by comprising a base (1) and a lifting platform (5); the center of the top surface of the base (1) is provided with an upright post (3) and a turntable (2), and the turntable (2) is rotatably arranged; the upright post (3) is provided with a jack, and a spring (13) is arranged in the jack; a connecting rod (11) is arranged in the center of the bottom surface of the lifting platform (5), and the connecting rod (11) is installed in the jack in a vertically sliding mode and is supported by the spring (13); the lifting platform (5) is provided with a piston cylinder (8) and a sampling cylinder (4), a piston (14) is arranged in the piston cylinder (8), the bottom of the piston cylinder is provided with a plurality of joints (15), the sampling cylinder (4) is uniformly distributed along the circumferential direction by taking the central axis of the piston cylinder (8) as the center, the top of the sampling cylinder (4) is hermetically connected with the corresponding joint (15) through a hose (7), and the cylinder body of the sampling cylinder is provided with scale marks; the hose (7) can be conducted or blocked; the top surface of the piston (14) is connected with a driving rod (16).
2. A batch sampling device for chemical experiments according to claim 1, characterized in that the bottom of the rotary disk (2) is rotatably mounted on the top surface of the base (1) by means of a rotary support (12).
3. The batch sampling device for chemical experiments according to claim 1, wherein a cap (17) is screwed on the top of the sampling tube (4) in a sealing manner, and the joint of the cap (17) is connected with the hose (7) in a sealing manner.
4. The batch sampling device for the chemical experiment according to claim 1, wherein a plurality of mounting holes and threaded holes communicated with the mounting holes are distributed on the lifting platform (5), and the sampling cylinders (4) are arranged in the corresponding mounting holes and fixed by tightening bolts (6) screwed in the threaded holes.
5. The batch sampling device for the chemical experiment according to claim 1, wherein a threaded hole is formed in the center of the lifting table (5), a screw is arranged at the bottom of the piston cylinder (8), and the screw of the piston cylinder (8) is in threaded connection with the threaded hole.
6. The batch sampling device for the chemical experiment according to claim 1, wherein a fixing frame (9) is installed on the lifting platform (5), the fixing frame (9) is provided with a threaded hole, the rod body of the driving rod (16) is provided with a thread and is in threaded connection with the threaded hole of the fixing frame (9), the top of the driving rod is provided with a hand wheel (10), and the top of the hand wheel is in rotary connection with the top of the piston (14).
7. A batch sampling device for chemical experiments according to claim 1, characterized in that the connecting rod (11) forms a torsion-resistant sliding connection with the receptacle by means of a torsion-resistant structure.
8. The batch sampling device for chemical experiments according to claim 7, wherein the anti-torsion structure is a spline structure or a multi-ribbed structure.
9. Batch sampling device for chemical experiments according to claim 1, characterized in that the hose (7) is conducted or blocked by means of a pipe clamp (18).
10. A batch sampling device for chemical experiments according to claim 1, characterized in that the bottom surface of the base (1) is provided with suction cups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120522830.6U CN214373621U (en) | 2021-03-12 | 2021-03-12 | Batch sampling device for chemistry experiments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120522830.6U CN214373621U (en) | 2021-03-12 | 2021-03-12 | Batch sampling device for chemistry experiments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214373621U true CN214373621U (en) | 2021-10-08 |
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ID=77970913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120522830.6U Expired - Fee Related CN214373621U (en) | 2021-03-12 | 2021-03-12 | Batch sampling device for chemistry experiments |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214373621U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116448499A (en) * | 2023-06-14 | 2023-07-18 | 成都永安制药有限公司 | Solution detection sampling device |
| CN116478801A (en) * | 2023-06-21 | 2023-07-25 | 诸城市欣大生物科技有限公司 | Sample extraction device for lactobacillus fermentation |
| CN116593227A (en) * | 2023-07-17 | 2023-08-15 | 青岛市动物疫病预防控制中心 | Constant-temperature quick-detecting and sampling device for food-borne staphylococcus aureus |
-
2021
- 2021-03-12 CN CN202120522830.6U patent/CN214373621U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116448499A (en) * | 2023-06-14 | 2023-07-18 | 成都永安制药有限公司 | Solution detection sampling device |
| CN116448499B (en) * | 2023-06-14 | 2023-08-25 | 成都永安制药有限公司 | Solution detection sampling device |
| CN116478801A (en) * | 2023-06-21 | 2023-07-25 | 诸城市欣大生物科技有限公司 | Sample extraction device for lactobacillus fermentation |
| CN116478801B (en) * | 2023-06-21 | 2023-08-22 | 诸城市欣大生物科技有限公司 | Sample extraction device for lactobacillus fermentation |
| CN116593227A (en) * | 2023-07-17 | 2023-08-15 | 青岛市动物疫病预防控制中心 | Constant-temperature quick-detecting and sampling device for food-borne staphylococcus aureus |
| CN116593227B (en) * | 2023-07-17 | 2023-09-22 | 青岛市动物疫病预防控制中心 | Constant-temperature quick-detecting and sampling device for food-borne staphylococcus aureus |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211008 |
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| CF01 | Termination of patent right due to non-payment of annual fee |