CN213933724U - High-precision liquid chromatograph - Google Patents
High-precision liquid chromatograph Download PDFInfo
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- CN213933724U CN213933724U CN202022943166.0U CN202022943166U CN213933724U CN 213933724 U CN213933724 U CN 213933724U CN 202022943166 U CN202022943166 U CN 202022943166U CN 213933724 U CN213933724 U CN 213933724U
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Abstract
The utility model discloses a high accuracy liquid chromatograph, comprising a base plate, the upper end fixedly connected with high-pressure pump of bottom plate, the upper end fixedly connected with third connecting pipe of high-pressure pump, the first bracing piece of upper end fixedly connected with of bottom plate, the upper end fixedly connected with second sleeve of first bracing piece, telescopic one side fixedly connected with third cylinder of second, the one end extension of third cylinder is provided with the third telescopic link, the cylinder surface fixed connection of third telescopic link is provided with second rubber stopper and third rubber stopper. The utility model discloses in after the syringe needle has absorbed sample liquid, close the second solenoid valve and open first solenoid valve, control second rubber stopper and third rubber stopper and remove the left and right sides of second connecting pipe, make the mobile phase that the high-pressure pump was pumped get into second sleeve left side from the third connecting pipe, rethread second hose gets into the fourth connecting pipe, and the sample liquid that promotes the absorption enters into the telescopic right side of second from first hose.
Description
Technical Field
The utility model relates to a chromatograph field especially relates to a high accuracy liquid chromatograph.
Background
A High Performance Liquid Chromatograph (HPLC) is an instrument and equipment which applies the principle of high performance liquid chromatography and is mainly used for analyzing organic compounds with high boiling points, difficult volatilization, unstable heating and large molecular weight. It is composed of liquid storage device, pump, sample injector, chromatographic column, detector and recorder. The mobile phase in the liquid storage device is pumped into the system by a high-pressure pump, the sample solution enters the mobile phase through the sample injector and is loaded into the chromatogram (the) by the mobile phase, and because each component in the sample solution has different distribution coefficients in two phases, when the two phases move relatively, through the distribution process of repeated adsorption-desorption, each component generates a large difference in the moving speed, is separated into single components and flows out of the column in sequence, when the sample solution passes through the detector, the concentration of the sample is converted into an electric signal and is transmitted to the recorder, and data is printed in the form of a map. HPLC is widely used in life sciences, food sciences, pharmaceutical research, and environmental research.
The existing liquid chromatograph has certain defects when in use, the sample introduction of the existing liquid chromatograph is to manually hold a needle (31) to absorb sample liquid, and the final measured data is easy to have errors due to misoperation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a high-precision liquid chromatograph.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a high-precision liquid chromatograph comprises a bottom plate, wherein a high-pressure pump is fixedly connected to the upper end of the bottom plate, a water inlet pipe is fixedly connected to one side of the high-pressure pump, a third connecting pipe is fixedly connected to the upper end of the high-pressure pump, a first supporting rod is fixedly connected to the upper end of the bottom plate, a second sleeve is fixedly connected to the upper end of the first supporting rod, the lower end of the second sleeve is fixedly connected with the third connecting pipe, a second connecting pipe is fixedly connected to the lower end of the second sleeve and is positioned on the right side of the third connecting pipe, a first electromagnetic valve is fixedly connected to the upper end of the second sleeve and is positioned right above the second connecting pipe, a first hose is fixedly connected to the upper end of the first electromagnetic valve, a second hose is fixedly connected to the upper end of the second sleeve and is positioned on the left side of the first electromagnetic valve, a third air cylinder is fixedly connected to one side of the second sleeve, a third telescopic rod extends from one end of the third cylinder, a second rubber plug and a third rubber plug are fixedly connected to the outer surface of a cylinder of the third telescopic rod, and the third rubber plug is positioned on the left side of the second rubber plug;
the one end fixedly connected with fourth connecting pipe of second hose, and upper end one side and the first hose fixed connection of fourth connecting pipe, the lower extreme fixedly connected with second solenoid valve of fourth connecting pipe, the lower extreme fixedly connected with syringe needle of second solenoid valve, the first sleeve of upper end fixedly connected with of fourth connecting pipe.
As a further description of the above technical solution:
the upper end fixedly connected with second bracing piece of bottom plate, the upper end fixedly connected with roof of second bracing piece.
As a further description of the above technical solution:
the lower extreme of roof is provided with the T-slot, T-slot sliding connection has T-shaped fixture block, the lower extreme fixedly connected with second cylinder of T-shaped fixture block.
As a further description of the above technical solution:
the lower extreme fixedly connected with first cylinder of roof, the one end extension of first cylinder is provided with first telescopic link, and first telescopic link and second cylinder fixed connection.
As a further description of the above technical solution:
the lower extreme of second cylinder extends and is provided with the second telescopic link, the lower extreme fixedly connected with first rubber stopper of second telescopic link.
As a further description of the above technical solution:
one end of the second connecting pipe is fixedly connected with a chromatographic column, and the chromatographic column is fixedly connected with the bottom plate.
As a further description of the above technical solution:
the one end fixedly connected with first connecting pipe of chromatographic column, the one end fixed connection ultraviolet chromatogram of first connecting pipe detects the register, and ultraviolet chromatogram detects register and bottom plate fixed connection, one side fixedly connected with drain pipe of ultraviolet chromatogram detection register.
As a further description of the above technical solution:
the upper end fixedly connected with fourth cylinder of bottom plate, the upper end of fourth cylinder extends and is provided with the fourth telescopic link, the upper end fixedly connected with sample rack of fourth telescopic link, the upper end of sample rack is provided with the multiunit sample bottle.
The utility model discloses following beneficial effect has:
1. the utility model discloses a first cylinder that sets up can drive the second cylinder through first telescopic link and remove, and T-shaped fixture block and T-slot sliding connection alleviate the burden of first telescopic link to control about the syringe needle of realization second cylinder below.
2. The utility model discloses a fourth cylinder that sets up enables or descends, and when the syringe needle moved the top of a set of sample bottle, the fourth cylinder made the syringe needle insert extraction sample in the sample bottle that corresponds through the rising of fourth telescopic link control sample rack.
3. The utility model discloses a second cylinder that sets up can rise through the first rubber stopper of second telescopic link control, opens at the second solenoid valve, and first solenoid valve is closed, and the third rubber stopper removes between third connecting pipe and the second hose, and when the second rubber stopper removed between second connecting pipe and the third connecting pipe, the syringe needle was made and the appearance liquid was absorbed.
4. The utility model discloses a third cylinder that sets up, can control about second rubber stopper and the third rubber stopper through the third telescopic link, after the syringe needle has absorbed sample liquid, close the second solenoid valve and open first solenoid valve, control the left and right sides that second rubber stopper and third rubber stopper removed the second connecting pipe, the mobile phase that makes the high-pressure pump out gets into second sleeve left side from the third connecting pipe, rethread second hose gets into the fourth connecting pipe, the sample liquid that promotes the absorption gets into the telescopic right side of second from first hose, rethread second connecting pipe is through the distribution process of chromatographic column through the absorption-desorption of relapse a plurality of times, it detects and the record data to get into the ultraviolet chromatogram detection recorder from first connecting pipe at last.
Drawings
Fig. 1 is a cross-sectional view of a high-precision liquid chromatograph according to the present invention;
FIG. 2 is an enlarged view of A in FIG. 1;
FIG. 3 is a cut-away perspective view of the second sleeve;
fig. 4 is a front view of a high-precision liquid chromatograph according to the present invention.
Illustration of the drawings:
1. a top plate; 2. a T-shaped slot; 3. a first telescopic rod; 4. a T-shaped fixture block; 5. a second cylinder; 6. a first cylinder; 7. a third cylinder; 8. an ultraviolet chromatography detection recorder; 9. a first connecting pipe; 10. a chromatographic column; 11. a second connecting pipe; 12. a high pressure pump; 13. a third connecting pipe; 14. a first support bar; 15. a fourth cylinder; 16. a fourth telescopic rod; 17. a base plate; 18. a sample placing rack; 19. a second support bar; 20. a sample bottle; 21. a first rubber stopper; 22. a second telescopic rod; 23. a first sleeve; 24. a first hose; 25. a first solenoid valve; 26. a third telescopic rod; 27. a second rubber stopper; 28. a third rubber stopper; 29. a second sleeve; 30. a second hose; 31. a needle head; 32. a second solenoid valve; 33. and a fourth connecting pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, the present invention provides an embodiment: a high-precision liquid chromatograph comprises a bottom plate 17, wherein the upper end of the bottom plate 17 is fixedly connected with a high-pressure pump 12, one side of the high-pressure pump 12 is fixedly connected with a water inlet pipe, the upper end of the high-pressure pump 12 is fixedly connected with a third connecting pipe 13, the upper end of the bottom plate 17 is fixedly connected with a first supporting rod 14, the upper end of the first supporting rod 14 is fixedly connected with a second sleeve 29, the lower end of the second sleeve 29 is fixedly connected with the third connecting pipe 13, the lower end of the second sleeve 29 is fixedly connected with a second connecting pipe 11, the second connecting pipe 11 is positioned on the right side of the third connecting pipe 13, the upper end of the second sleeve 29 is fixedly connected with a first electromagnetic valve 25, the first electromagnetic valve 25 is positioned right above the second connecting pipe 11, the upper end of the first electromagnetic valve 25 is fixedly connected with a first hose 24, the upper end of the second sleeve 29 is fixedly connected with a second hose 30, and the second hose 30 is positioned on the left side of the first electromagnetic valve 25, a third cylinder 7 is fixedly connected to one side of the second sleeve 29, a third telescopic rod 26 is arranged at one end of the third cylinder 7 in an extending manner, a second rubber plug 27 and a third rubber plug 28 are fixedly connected to the outer surface of a cylinder of the third telescopic rod 26, the third rubber plug 28 is positioned on the left side of the second rubber plug 27, a chromatographic column 10 is fixedly connected to one end of a second connecting pipe 11, the chromatographic column 10 is fixedly connected to the bottom plate 17, a first connecting pipe 9 is fixedly connected to one end of the chromatographic column 10, an ultraviolet chromatographic detection recorder 8 is fixedly connected to one end of the first connecting pipe 9, the ultraviolet chromatographic detection recorder 8 is fixedly connected to the bottom plate 17, a drain pipe is fixedly connected to one side of the ultraviolet chromatographic detection recorder 8, the second rubber plug 27 and the third rubber plug 28 can be controlled to move left and right through the third telescopic rod 26, after the needle 31 sucks the sample liquid, the second electromagnetic valve 32 is closed, the first electromagnetic valve 25 is opened, the second rubber plug 27 and the third rubber plug 28 are controlled to be positioned at the left side and the right side of the second connecting pipe 11, so that the mobile phase pumped by the high-pressure pump 12 enters the left side of the second sleeve 29 from the third connecting pipe 13, then enters the fourth connecting pipe 33 through the second hose 30, pushes the sucked sample liquid to enter the right side of the second sleeve 29 from the first hose 24, then passes through the second connecting pipe 11, passes through the chromatographic column 10, and is subjected to repeated adsorption-desorption distribution processes, and finally enters the ultraviolet chromatography detection recorder 8 from the first connecting pipe 9 for detection and data recording.
One end of the second hose 30 is fixedly connected with a fourth connecting pipe 33, one side of the upper end of the fourth connecting pipe 33 is fixedly connected with the first hose 24, the lower end of the fourth connecting pipe 33 is fixedly connected with a second electromagnetic valve 32, the lower end of the second electromagnetic valve 32 is fixedly connected with a needle 31, the upper end of the fourth connecting pipe 33 is fixedly connected with a first sleeve 23, the lower end of the second cylinder 5 extends to form a second telescopic rod 22, the lower end of the second telescopic rod 22 is fixedly connected with a first rubber plug 21, the second cylinder 5 can control the first rubber plug 21 to ascend through the second telescopic rod 22, the second electromagnetic valve 32 is opened, the first electromagnetic valve 25 is closed, the third rubber plug 28 moves between the third connecting pipe 13 and the second hose 30, and when the second rubber plug 27 moves between the second connecting pipe 11 and the third connecting pipe 13, the needle 31 can suck the sample liquid.
The upper end of the bottom plate 17 is fixedly connected with a second support rod 19, the upper end of the second support rod 19 is fixedly connected with a top plate 1, the lower end of the top plate 1 is provided with a T-shaped groove 2, the T-shaped groove 2 is connected with a T-shaped fixture block 4 in a sliding manner, the lower end of the T-shaped fixture block 4 is fixedly connected with a second air cylinder 5, the lower end of the top plate 1 is fixedly connected with a first air cylinder 6, one end of the first air cylinder 6 is provided with a first telescopic rod 3 in an extending manner, the first telescopic rod 3 is fixedly connected with the second air cylinder 5, the first telescopic rod 3 is fixedly connected with the first air cylinder 3, the second air cylinder 5 can be driven by the first air cylinder 6 to move left and right, the T-shaped fixture block 4 is connected with the T-shaped groove 2 in a sliding manner, the burden of the first telescopic rod 3 is reduced, so that a needle head 31 below the second air cylinder 5 can move left and right, the lower end of the top plate 1 is fixedly connected with the first air cylinder 6, one end of the first air cylinder 6 is provided with the first telescopic rod 3 in an extending manner, and the second air cylinder 5, the fourth cylinder 15 can control the sample placing rack 18 to ascend or descend through the fourth telescopic rod 16, and when the needle 31 moves above a group of sample bottles 20, the fourth cylinder 15 controls the sample placing rack 18 to ascend through the fourth telescopic rod 16, so that the needle 31 is inserted into the corresponding sample bottle 20 to extract a sample.
The working principle is as follows: when the liquid chromatograph is used, a sample liquid to be detected is added into a sample bottle 20, a first cylinder 6 drives a second cylinder 5 to move left and right through a first telescopic rod 3, a needle 31 is made to move right above a group of sample bottles 20, a fourth cylinder 15 controls the rising of a sample placing frame 18 through a fourth telescopic rod 16, the needle 31 is made to be inserted into the corresponding sample bottle 20, a third cylinder 7 makes a third rubber plug 28 move between a third connecting pipe 13 and a second hose 30 through a third telescopic rod 26, a second rubber plug 27 moves between the second connecting pipe 11 and the third connecting pipe 13, a second electromagnetic valve 32 is opened, a first electromagnetic valve 25 is closed, the second cylinder 5 controls the first rubber plug 21 to rise through a second telescopic rod 22, the needle 31 is made to suck the sample liquid, the second electromagnetic valve 32 is closed after sucking is completed, the first electromagnetic valve 25 is opened, the third cylinder 7 controls the second rubber plug 27 and the third rubber plug 28 to move to the left side and the right side of the second connecting pipe 11 through the third telescopic rod 26 respectively The high-pressure pump 12 pumps the mobile phase through the water inlet pipe, the mobile phase enters the left side of the second sleeve 29 from the third connecting pipe 13, then enters the fourth connecting pipe 33 through the second hose 30, the sucked sample liquid is pushed to enter the right side of the second sleeve 29 from the first hose 24, then passes through the second connecting pipe 11, passes through the chromatographic column 10, and passes through the repeated adsorption-desorption distribution process, and finally enters the ultraviolet chromatography detection recorder 8 from the first connecting pipe 9 to be detected and data are recorded.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (8)
1. A high accuracy liquid chromatograph, comprising a base plate (17), characterized in that: the upper end of the bottom plate (17) is fixedly connected with a high-pressure pump (12), one side of the high-pressure pump (12) is fixedly connected with a water inlet pipe, the upper end of the high-pressure pump (12) is fixedly connected with a third connecting pipe (13), the upper end of the bottom plate (17) is fixedly connected with a first supporting rod (14), the upper end of the first supporting rod (14) is fixedly connected with a second sleeve (29), the lower end of the second sleeve (29) is fixedly connected with the third connecting pipe (13), the lower end of the second sleeve (29) is fixedly connected with a second connecting pipe (11), the second connecting pipe (11) is positioned on the right side of the third connecting pipe (13), the upper end of the second sleeve (29) is fixedly connected with a first electromagnetic valve (25), the first electromagnetic valve (25) is positioned right above the second connecting pipe (11), the upper end of the first electromagnetic valve (25) is fixedly connected with a first hose (24), the upper end of the second sleeve (29) is fixedly connected with a second hose (30), the second hose (30) is located on the left side of the first electromagnetic valve (25), one side of the second sleeve (29) is fixedly connected with a third air cylinder (7), one end of the third air cylinder (7) extends to form a third telescopic rod (26), the outer surface of a cylinder of the third telescopic rod (26) is fixedly connected with a second rubber plug (27) and a third rubber plug (28), and the third rubber plug (28) is located on the left side of the second rubber plug (27);
one end fixedly connected with fourth connecting pipe (33) of second hose (30), and upper end one side and first hose (24) fixed connection of fourth connecting pipe (33) connecting pipe, the lower extreme fixedly connected with second solenoid valve (32) of fourth connecting pipe (33), the lower extreme fixedly connected with syringe needle (31) of second solenoid valve (32), the first sleeve of upper end fixedly connected with (23) of fourth connecting pipe (33).
2. A high accuracy liquid chromatograph according to claim 1, wherein: the upper end fixedly connected with second bracing piece (19) of bottom plate (17), the upper end fixedly connected with roof (1) of second bracing piece (19).
3. A high accuracy liquid chromatograph according to claim 2, wherein: the lower extreme of roof (1) is provided with T-slot (2), T-slot (2) sliding connection has T-shaped fixture block (4), the lower extreme fixedly connected with second cylinder (5) of T-shaped fixture block (4).
4. A high accuracy liquid chromatograph according to claim 3, wherein: the lower extreme fixedly connected with first cylinder (6) of roof (1), the one end of first cylinder (6) is extended and is provided with first telescopic link (3), and first telescopic link (3) and second cylinder (5) fixed connection.
5. A high accuracy liquid chromatograph according to claim 3, wherein: the lower extreme of second cylinder (5) extends and is provided with second telescopic link (22), the lower extreme fixedly connected with first rubber stopper (21) of second telescopic link (22).
6. A high accuracy liquid chromatograph according to claim 1, wherein: one end of the second connecting pipe (11) is fixedly connected with a chromatographic column (10), and the chromatographic column (10) is fixedly connected with a bottom plate (17).
7. A high accuracy liquid chromatograph according to claim 6, wherein: the one end fixedly connected with first connecting pipe (9) of chromatographic column (10), the one end fixed connection ultraviolet ray chromatogram of first connecting pipe (9) detects register (8), and ultraviolet ray chromatogram detects register (8) and bottom plate (17) fixed connection, one side fixedly connected with drain pipe of ultraviolet ray chromatogram detection register (8).
8. A high accuracy liquid chromatograph according to claim 1, wherein: the upper end fixedly connected with fourth cylinder (15) of bottom plate (17), the upper end of fourth cylinder (15) is extended and is provided with fourth telescopic link (16), the upper end fixedly connected with sample rack (18) of fourth telescopic link (16), the upper end of sample rack (18) is provided with multiunit sample bottle (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022943166.0U CN213933724U (en) | 2020-12-10 | 2020-12-10 | High-precision liquid chromatograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022943166.0U CN213933724U (en) | 2020-12-10 | 2020-12-10 | High-precision liquid chromatograph |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213933724U true CN213933724U (en) | 2021-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022943166.0U Active CN213933724U (en) | 2020-12-10 | 2020-12-10 | High-precision liquid chromatograph |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213933724U (en) |
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2020
- 2020-12-10 CN CN202022943166.0U patent/CN213933724U/en active Active
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