CN212483003U - Liquid sampling device - Google Patents
Liquid sampling device Download PDFInfo
- Publication number
- CN212483003U CN212483003U CN202020703244.7U CN202020703244U CN212483003U CN 212483003 U CN212483003 U CN 212483003U CN 202020703244 U CN202020703244 U CN 202020703244U CN 212483003 U CN212483003 U CN 212483003U
- Authority
- CN
- China
- Prior art keywords
- pipette
- baffle
- pressing
- plate
- pressing rod
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 35
- 238000005070 sampling Methods 0.000 title claims abstract description 14
- 238000001125 extrusion Methods 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 13
- 238000005086 pumping Methods 0.000 claims description 7
- 210000003141 lower extremity Anatomy 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 15
- 239000007787 solid Substances 0.000 abstract description 4
- 208000035187 Ring chromosome 14 syndrome Diseases 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 208000035388 Ring chromosome 22 syndrome Diseases 0.000 description 2
- 239000011344 liquid material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to a liquid sampling device, including liquid transfer device, drawing liquid device, connecting piece, pipette end opening bottom is equipped with the baffle, is equipped with solid fixed ring on the pipette, is equipped with the connecting rod on the baffle, and the connecting rod is articulated with solid fixed ring, and the connecting rod other end is articulated with the press ram, and the cover has a press spring on the press ram, and under the extrusion of press spring, the press ram pushes down the connecting rod, and the pipette end opening is plugged up to the baffle. The utility model is suitable for deep liquid sampling, and the materials do not enter the sampler when the pipette is inserted into the materials; after the pipette is inserted into the material to determine the depth, the pressing rod is lifted upwards, the lower opening of the pipette is opened, and sampling is started.
Description
Technical Field
The utility model relates to a liquid sampling device technical field, concretely relates to liquid sampling device.
Background
For liquid materials, the materials with different depths need to be sampled respectively during sampling. The sampler needs to extend into a certain depth to start collecting, the sampler ensures no feeding in the process of inserting the sampler into the material, the sampler starts collecting the material after reaching the certain depth, the lower opening of a pipette is blocked after the material is extracted, the sampler is taken out, and the collected liquid material is put into a container.
Disclosure of Invention
An object of the utility model is to solve above-mentioned problem, provide liquid sampling device.
In order to solve the above problem, the utility model discloses a technical scheme as follows:
the liquid sampling device is characterized by comprising a liquid transfer device, a liquid pumping device and a connecting piece;
the liquid transfer device comprises a liquid transfer pipe, a baffle and a pressing rod, wherein the lower opening of the liquid transfer pipe is an inclined opening, the bottom of the lower opening of the liquid transfer pipe is provided with the baffle, the liquid transfer pipe is provided with a fixing ring, the baffle is provided with a connecting rod, the connecting rod is hinged with the fixing ring, the other end of the connecting rod is hinged with the pressing rod, the pressing rod is sleeved with a pressing spring, under the extrusion of the pressing spring, the pressing rod presses the connecting rod downwards, and the lower opening;
the connecting piece is arranged at the top of the pipette and comprises a connecting sleeve and a sealing ring, a radial groove is formed in the inner wall of the connecting sleeve, and the sealing ring is arranged in the radial groove;
the liquid pumping device comprises a hard pipe, a hose and an ear suction ball, wherein the end part of the hose is connected with the hard pipe, the hard pipe can be inserted into the connecting sleeve, and the sealing ring compresses the hard pipe.
Furthermore, an upper fixing plate and a lower fixing plate are arranged on the pipette, a pressing rod penetrates through the upper fixing plate and the lower fixing plate, a lower stop plate is arranged at the bottom of the pressing rod, a pressing spring is sleeved on the pressing rod between the lower fixing plate and the lower stop plate, an upper stop plate and a stop plate are arranged at the upper part of the pressing rod, the upper stop plate is positioned above the upper fixing plate, and the stop plate is positioned below the upper fixing plate; under the pressure spring natural state, go up the stop plate and press in the upper fixed plate top, the baffle blocks the pipette lower limb, and when the baffle need be opened, when lifting the pressing lever, stop the stop plate and lean on in the upper fixed plate below.
Compared with the prior art, the utility model discloses favourable effect does:
(1) the bottom of the lower opening of the pipette is provided with a baffle plate, the pressing rod presses the connecting rod downwards under the extrusion of the pressing spring, and the baffle plate blocks the lower opening of the pipette; during the process that the pipette is inserted into the material, the material does not enter the sampler.
(2) Be equipped with solid fixed ring on the pipette, be equipped with the connecting rod on the baffle, the connecting rod is articulated with solid fixed ring, and the connecting rod other end is articulated with pressing the depression bar, and after the pipette inserted the definite degree of depth in the material, lift and press the depression bar, the connecting rod upper end is turned over, and the baffle turns over down, and the pipette end opening is opened.
(3) The liquid pumping device comprises a hard pipe, a hose and an ear suction ball, wherein the end part of the hose is connected with the hard pipe, the hard pipe can be inserted into the connecting sleeve, and the sealing ring compresses the hard pipe; the suction bulb is pressed, and the material enters the pipette under the suction of the suction bulb.
(4) When the pressing rod is released, the pressing rod downwards presses the upper part of the connecting rod under the extrusion of the pressing spring, the baffle plate blocks the lower opening of the pipette, and at the moment, the pipetting device can be drawn out.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a structural diagram of a liquid sampling device according to the present invention;
fig. 2 is a longitudinal sectional view of the connector of the present invention;
description of reference numerals: the device comprises a pipette-11, an upper fixing plate-111, a lower fixing plate-112, a baffle-12, a pressing rod-13, a lower stop plate-131, an upper stop plate-132, a stop plate-133, a fixing ring-14, a connecting rod-15, a pressing spring-16, a connecting sleeve-21, a sealing ring-22, a radial groove-23, a hard tube-31, a hose-32 and an ear-sucking ball-33.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.
Referring to the description, as shown in figure 1: the liquid sampling device comprises a liquid transfer device, a liquid pumping device and a connecting piece.
The liquid transfer device comprises a pipette 11, a baffle 12 and a pressing rod 13, the lower opening of the pipette 11 is an inclined opening, the baffle 12 is arranged at the bottom of the lower opening of the pipette 11, and the baffle is provided with a plug which can block the lower opening of the pipette 11. The pipette 11 is provided with a fixing ring 14, the baffle 12 is provided with a connecting rod 15, the connecting rod 15 is hinged with the fixing ring 14, the other end of the connecting rod 15 is hinged with a pressing rod 13, the pressing rod 13 is sleeved with a pressing spring 16, the pressing rod 13 presses the connecting rod 15 downwards under the extrusion of the pressing spring 16, and the lower opening of the pipette is blocked by the baffle 12. During the process that the pipette is inserted into the material, the material does not enter the sampler. After the pipette is inserted into the material to determine the depth, the pressing rod is lifted upwards, the upper end of the connecting rod turns upwards, the baffle turns downwards, and the lower opening of the pipette is opened.
Referring to the description, as shown in FIG. 2: connecting piece 2 sets up in the pipette top, and connecting piece and pipette body coupling, connecting piece include adapter sleeve 21, sealing washer 22, and adapter sleeve 21 inner wall is equipped with radial recess 23, is equipped with sealing washer 22 in the radial recess 23, and the sealing washer is used for sealing up the hard tube, prevents to take place the seepage.
The liquid pumping device comprises a hard tube 31, a hose 32 and an ear suction ball 33, wherein the end part of the hose 32 is connected with the hard tube 31, the hard tube 31 can be inserted into the connecting sleeve 21, and the sealing ring 22 compresses the hard tube 31. The suction bulb is pressed, and the material enters the pipette under the suction of the suction bulb. When the pressing rod is released, the pressing rod downwards presses the upper part of the connecting rod under the extrusion of the pressing spring, the baffle plate blocks the lower opening of the pipette, and at the moment, the pipetting device can be drawn out.
Furthermore, an upper fixing plate 111 and a lower fixing plate 112 are arranged on the pipette 11, the pressing rod 13 penetrates through the upper fixing plate 111 and the lower fixing plate 112, a lower stop plate 131 is arranged at the bottom of the pressing rod 13, the pressing spring sleeve 16 is arranged on the pressing rod 13 between the lower fixing plate 112 and the lower stop plate 131, an upper stop plate 132 and a stop plate 133 are arranged at the upper part of the pressing rod 13, the upper stop plate 132 is positioned above the upper fixing plate 111, and the stop plate 133 is positioned below the upper fixing plate 111; under the pressure spring natural state, go up the stop plate and press in the upper fixed plate top, the baffle blocks the pipette lower limb, and when the baffle need be opened, when lifting the pressing lever, stop the stop plate and lean on in the upper fixed plate below.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred embodiments of the present invention, and the present invention is not limited by the above preferred embodiments, and various changes and modifications can be made without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the present invention as claimed.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. The liquid sampling device is characterized by comprising a liquid transfer device, a liquid pumping device and a connecting piece;
the liquid transfer device comprises a liquid transfer pipe, a baffle and a pressing rod, wherein the lower opening of the liquid transfer pipe is an inclined opening, the bottom of the lower opening of the liquid transfer pipe is provided with the baffle, the liquid transfer pipe is provided with a fixing ring, the baffle is provided with a connecting rod, the connecting rod is hinged with the fixing ring, the other end of the connecting rod is hinged with the pressing rod, the pressing rod is sleeved with a pressing spring, under the extrusion of the pressing spring, the pressing rod presses the connecting rod downwards, and the lower opening;
the connecting piece is arranged at the top of the pipette and comprises a connecting sleeve and a sealing ring, a radial groove is formed in the inner wall of the connecting sleeve, and the sealing ring is arranged in the radial groove;
the liquid pumping device comprises a hard pipe, a hose and an ear suction ball, wherein the end part of the hose is connected with the hard pipe, the hard pipe can be inserted into the connecting sleeve, and the sealing ring compresses the hard pipe.
2. The liquid sampling device according to claim 1, wherein the pipette is provided with an upper fixing plate and a lower fixing plate, the pressing rod penetrates through the upper fixing plate and the lower fixing plate, the bottom of the pressing rod is provided with a lower stop plate, the pressing spring is sleeved on the pressing rod between the lower fixing plate and the lower stop plate, the upper part of the pressing rod is provided with an upper stop plate and a stop plate, the upper stop plate is positioned above the upper fixing plate, and the stop plate is positioned below the upper fixing plate; under the pressure spring natural state, go up the stop plate and press in the upper fixed plate top, the baffle blocks the pipette lower limb, and when the baffle need be opened, when lifting the pressing lever, stop the stop plate and lean on in the upper fixed plate below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020703244.7U CN212483003U (en) | 2020-04-30 | 2020-04-30 | Liquid sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020703244.7U CN212483003U (en) | 2020-04-30 | 2020-04-30 | Liquid sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212483003U true CN212483003U (en) | 2021-02-05 |
Family
ID=74455075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020703244.7U Expired - Fee Related CN212483003U (en) | 2020-04-30 | 2020-04-30 | Liquid sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212483003U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113960246A (en) * | 2021-09-08 | 2022-01-21 | 南京南大药业有限责任公司 | Method and equipment for producing low molecular weight heparin sodium without organic solvent residue |
-
2020
- 2020-04-30 CN CN202020703244.7U patent/CN212483003U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113960246A (en) * | 2021-09-08 | 2022-01-21 | 南京南大药业有限责任公司 | Method and equipment for producing low molecular weight heparin sodium without organic solvent residue |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210205 |