CN215866532U - Liquid chromatograph with detect nozzle function - Google Patents
Liquid chromatograph with detect nozzle function Download PDFInfo
- Publication number
- CN215866532U CN215866532U CN202121985232.9U CN202121985232U CN215866532U CN 215866532 U CN215866532 U CN 215866532U CN 202121985232 U CN202121985232 U CN 202121985232U CN 215866532 U CN215866532 U CN 215866532U
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- Prior art keywords
- liquid chromatograph
- nozzle
- base
- push rod
- pipeline
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- 239000007788 liquid Substances 0.000 title claims abstract description 67
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 230000001681 protective effect Effects 0.000 claims description 4
- 239000012535 impurity Substances 0.000 abstract description 6
- 230000007774 longterm Effects 0.000 abstract description 4
- 238000007790 scraping Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a liquid chromatograph with a nozzle detection function, which comprises a base, wherein an electric push rod is fixedly arranged at the top of an inner cavity of the base, a transverse plate is fixedly arranged at the output end of the electric push rod, universal wheels are arranged on the periphery of the bottom of the transverse plate, a liquid chromatograph body is fixedly arranged on the right side of the top of the base, a sample injector is arranged on the left side of the top of the liquid chromatograph body, and a nozzle pipeline is arranged at the bottom of the right side of the sample injector. The utility model is provided with the base, the sample injector, the liquid chromatograph body, the stepping motor, the connecting rod, the screw block, the scraping plate, the nozzle pipeline, the liquid flow sensor, the electric push rod, the universal wheel and the transverse plate, and solves the problems that the existing liquid chromatograph is inconvenient to move and does not have the function of detecting the nozzle, and the inner wall of the nozzle pipeline is possibly adhered with certain impurities after long-term use, so that the flow rate of liquid is influenced, and the detection data is influenced.
Description
Technical Field
The utility model relates to the technical field of liquid chromatographs, in particular to a liquid chromatograph with a nozzle detection function.
Background
The liquid chromatograph is an instrument which utilizes the difference of the distribution ratio of a mixture between two liquids which are liquid-solid or immiscible to separate the mixture firstly and then analyze and identify the mixture, the modern liquid chromatograph consists of a high-pressure infusion pump, a sample injection system, a temperature control system, a chromatographic column, a detector, a signal recording system and the like, and compared with a classical liquid column chromatograph device, the modern liquid chromatograph has the characteristics of high efficiency, rapidness, sensitivity and the like, but the existing liquid chromatograph is not convenient to move and does not have the function of detecting a nozzle, and after the pipeline of the nozzle is used for a long time, certain impurities can be adhered to the inner wall of the pipeline of the nozzle, so that the flow rate of the liquid is influenced, and the detection data is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a liquid chromatograph with a nozzle detection function, which has the advantages of convenient movement and nozzle detection function, and solves the problems that the existing liquid chromatograph is inconvenient to move and does not have the nozzle detection function, and the inner wall of a pipeline of a nozzle is possibly adhered with certain impurities after long-term use, so that the flow rate of liquid is influenced, and the detection data is influenced.
In order to achieve the purpose, the utility model provides the following technical scheme: a liquid chromatograph with a nozzle detection function comprises a base, wherein an electric push rod is fixedly arranged at the top of an inner cavity of the base, a transverse plate is fixedly arranged at the output end of the electric push rod, universal wheels are arranged around the bottom of the transverse plate, a liquid chromatograph body is fixedly arranged on the right side of the top of the base, a sample injector is arranged on the left side of the top of the liquid chromatograph body, a nozzle pipeline is arranged at the bottom of the right side of the sample injector, the other end of the nozzle pipeline is communicated with the liquid chromatograph body, the inner wall of the nozzle pipeline is provided with a liquid flow sensor, a stepping motor is fixedly arranged on the left side of the top of the nozzle pipeline, a screw rod is fixedly arranged on an output shaft of the stepping motor, the surface thread of screw rod is connected with the spiral shell piece, the right side of spiral shell piece has the connecting rod through support fixed mounting, the bottom of connecting rod runs through nozzle pipeline and fixed mounting has the scraper blade.
Preferably, the right side fixed mounting at nozzle pipeline top has the backplate, the right side of connecting rod has first slider through support fixed mounting, the first spout that uses with the cooperation of first slider is seted up in the left side of backplate.
Preferably, the front surface of the base is movably connected with an access door through a hinge, and the front surface of the access door is provided with a handle.
Preferably, the right side of the liquid chromatograph body is provided with a control switch, and the surface of the control switch is provided with a protective film.
Preferably, all fixed mounting has auxiliary push rod around the base inner chamber top, and auxiliary push rod's the other end and diaphragm fixed connection.
Preferably, the left and right sides of diaphragm all has the second slider through support fixed mounting, the second spout that uses with the cooperation of second slider is all seted up to the left and right sides of base inner chamber.
Preferably, a battery box is fixedly mounted at the top of the base, and a storage battery is arranged in the battery box.
Compared with the prior art, the utility model has the following beneficial effects:
1. the utility model opens the electric push rod, the electric push rod pushes the transverse plate to move downwards, the transverse plate drives the universal wheel to contact with the ground, thereby facilitating the movement of the device, after reaching the designated position, the electric push rod is retracted, the universal wheel is retracted, thereby leading the device to be stable, when the liquid chromatograph body and the sample injector work, the liquid flow sensor can detect the liquid flow passing through the nozzle pipeline, when the detected data has error with the actually set data, the sample injector and the liquid chromatograph body are closed, the stepping motor is opened, the stepping motor drives the screw rod to rotate, the screw rod drives the screw block to move downwards, the screw block drives the connecting rod to move downwards, the connecting rod drives the scraper plate to move downwards, thereby utilizing the scraper plate to clean the inner wall of the nozzle pipeline, solving the problems that the existing liquid chromatograph is not convenient to move and does not have the function of detecting the nozzle, and the inner wall of the nozzle pipeline can be adhered with certain impurities after long-term use, affecting the flow rate of the liquid and thus the problem of the detection data.
2. According to the utility model, the connecting rod is stabilized by the first sliding block, the first sliding groove and the protective plate, the transverse plate is stabilized by the auxiliary push rod, the transverse plate is more stabilized by the second sliding block and the second sliding groove, the components in the base can be overhauled by opening the access door, the storage battery in the battery box provides standby electric energy for the device, and the control switch is used for controlling the on-off of each electric appliance.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at the position A of the present invention;
FIG. 3 is a schematic cross-sectional enlarged view of the base of the present invention.
In the figure: 1. a base; 2. an access door; 3. a battery box; 4. a control switch; 5. a sample injector; 6. a liquid chromatograph body; 7. a stepping motor; 8. a connecting rod; 9. a screw; 10. a screw block; 11. a first slider; 12. a first chute; 13. a guard plate; 14. a squeegee; 15. a nozzle conduit; 16. a liquid flow sensor; 17. a second slider; 18. an auxiliary push rod; 19. an electric push rod; 20. a universal wheel; 21. a second chute; 22. a transverse plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", 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 describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The base 1, the access door 2, the battery box 3, the control switch 4, the sample injector 5, the liquid chromatograph body 6, the stepping motor 7, the connecting rod 8, the screw 9, the screw block 10, the first slide block 11, the first slide groove 12, the guard plate 13, the scraper 14, the nozzle pipeline 15, the liquid flow sensor 16, the second slide block 17, the auxiliary push rod 18, the electric push rod 19, the universal wheel 20, the second slide groove 21 and the transverse plate 22 are all universal standard parts or parts known by those skilled in the art, and the structure and principle of the utility model can be known by technical manuals or conventional experimental methods.
Referring to fig. 1-3, a liquid chromatograph with a nozzle detecting function comprises a base 1, the front of the base 1 is movably connected with an access door 2 through a hinge, the front of the access door 2 is provided with a handle, the access door 2 can be opened to inspect components in the base 1, the top of the base 1 is fixedly provided with a battery box 3, a storage battery is arranged in the battery box 3, the storage battery in the battery box 3 provides standby electric energy for the device, the top of the inner cavity of the base 1 is fixedly provided with an electric push rod 19, the output end of the electric push rod 19 is fixedly provided with a transverse plate 22, the periphery of the top of the inner cavity of the base 1 is fixedly provided with an auxiliary push rod 18, the other end of the auxiliary push rod 18 is fixedly connected with the transverse plate 22, the auxiliary push rod 18 stabilizes the transverse plate 22, the left side and right side of the transverse plate 22 are fixedly provided with second sliding blocks 17 through brackets, the left side and right side of the inner cavity of the base 1 are provided with second sliding grooves 21 matched with the second sliding blocks 17, the second slide block 17 and the second chute 21 make the transverse plate 22 more stable, universal wheels 20 are arranged around the bottom of the transverse plate 22, a liquid chromatograph body 6 is fixedly arranged on the right side of the top of the base 1, a control switch 4 is arranged on the right side of the liquid chromatograph body 6, a protective film is arranged on the surface of the control switch 4, the control switch 4 is used for controlling the switches of various electric appliances, a sample injector 5 is arranged on the left side of the top of the liquid chromatograph body 6, a nozzle pipeline 15 is arranged at the bottom of the right side of the sample injector 5, the other end of the nozzle pipeline 15 is communicated with the liquid chromatograph body 6, a liquid flow sensor 16 is arranged on the inner wall of the nozzle pipeline 15, a stepping motor 7 is fixedly arranged on the left side of the top of the nozzle pipeline 15, a screw rod 9 is fixedly arranged on an output shaft of the stepping motor 7, a screw block 10 is connected with the surface thread of the screw rod 9, and a connecting rod 8 is fixedly arranged on the right side of the screw block 10 through a bracket, a guard plate 13 is fixedly arranged on the right side of the top of the nozzle pipeline 15, a first sliding block 11 is fixedly arranged on the right side of the connecting rod 8 through a support, a first sliding groove 12 matched with the first sliding block 11 for use is formed in the left side of the guard plate 13, the first sliding block 11, the first sliding groove 12 and the guard plate 13 enable the connecting rod 8 to be stable, a scraper 14 is fixedly arranged at the bottom of the connecting rod 8 and penetrates through the nozzle pipeline 15, an electric push rod 19 is opened, the electric push rod 19 pushes a transverse plate 22 to move downwards, the transverse plate 22 drives a universal wheel 20 to be in contact with the ground, so that the device is convenient to move, after the device reaches a designated position, the electric push rod 19 is retracted, the universal wheel 20 is retracted, so that the device is stable, when the liquid chromatograph body 6 and the sample injector 5 work, the liquid flow sensor 16 can detect the liquid flow passing through the nozzle pipeline 15, and when the detected data has an error with actually set data, close injector 5 and liquid chromatograph body 6, open step motor 7, step motor 7 drives screw rod 9 and rotates, screw rod 9 drives spiral shell piece 10 downstream, spiral shell piece 10 drives connecting rod 8 downstream, connecting rod 8 drives scraper blade 14 downstream, thereby utilize scraper blade 14 to clear up the inner wall of nozzle tube 15, it is not convenient for remove to have solved current liquid chromatograph, do not possess the function that detects the nozzle, the pipeline of nozzle is probably stained with certain impurity after long-term the use of inner wall, influence the velocity of flow of liquid, thereby the problem of data is detected in the influence.
When the device is used, the electric push rod 19 is opened, the electric push rod 19 pushes the transverse plate 22 to move downwards, the transverse plate 22 drives the universal wheel 20 to be in contact with the ground, the device is convenient to move, after the device reaches a specified position, the electric push rod 19 is retracted, the universal wheel 20 is retracted, the device is stable, when the liquid chromatograph body 6 and the sample injector 5 work, the liquid flow sensor 16 can detect the liquid flow passing through the nozzle pipeline 15, when the detected data has errors with the actually set data, the sample injector 5 and the liquid chromatograph body 6 are closed, the stepping motor 7 is started, the stepping motor 7 drives the screw rod 9 to rotate, the screw rod 9 drives the screw block 10 to move downwards, the screw block 10 drives the connecting rod 8 to move downwards, the connecting rod 8 drives the scraper plate 14 to move downwards, so that the inner wall of the nozzle pipeline 15 is cleaned by the scraper plate 14, and the problem that the existing liquid chromatograph is inconvenient to move is solved, the nozzle detection device has the advantages that the function of detecting the nozzle is not provided, certain impurities can be attached to the inner wall of the pipeline of the nozzle after the pipeline is used for a long time, the flow rate of liquid is influenced, and accordingly detection data is influenced.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A liquid chromatograph with detect nozzle function, includes base (1), its characterized in that: the device comprises a base (1), an electric push rod (19) is fixedly mounted at the top of an inner cavity of the base (1), a transverse plate (22) is fixedly mounted at the output end of the electric push rod (19), universal wheels (20) are arranged on the periphery of the bottom of the transverse plate (22), a liquid chromatograph body (6) is fixedly mounted at the right side of the top of the base (1), a sample injector (5) is arranged at the left side of the top of the liquid chromatograph body (6), a nozzle pipeline (15) is arranged at the bottom of the right side of the sample injector (5), the other end of the nozzle pipeline (15) is communicated with the liquid chromatograph body (6), a liquid flow sensor (16) is arranged on the inner wall of the nozzle pipeline (15), a stepping motor (7) is fixedly mounted at the left side of the top of the nozzle pipeline (15), a screw rod (9) is fixedly mounted at an output shaft of the stepping motor (7), and a screw block (10) is connected to the surface of the screw rod (9) in a threaded manner, the right side of spiral shell piece (10) has connecting rod (8) through support fixed mounting, the bottom of connecting rod (8) runs through nozzle pipeline (15) and fixed mounting has scraper blade (14).
2. The liquid chromatograph with the detection nozzle function according to claim 1, wherein: the right side fixed mounting at nozzle pipeline (15) top has backplate (13), the right side of connecting rod (8) has first slider (11) through support fixed mounting, first spout (12) of using with first slider (11) cooperation are seted up in the left side of backplate (13).
3. The liquid chromatograph with the detection nozzle function according to claim 1, wherein: the front of base (1) has access door (2) through hinge swing joint, and the front of access door (2) is provided with the handle.
4. The liquid chromatograph with the detection nozzle function according to claim 1, wherein: the right side of the liquid chromatograph body (6) is provided with a control switch (4), and the surface of the control switch (4) is provided with a protective film.
5. The liquid chromatograph with the detection nozzle function according to claim 1, wherein: all fixed mounting have auxiliary push rod (18) around base (1) inner chamber top, and the other end and diaphragm (22) fixed connection of auxiliary push rod (18).
6. The liquid chromatograph with the detection nozzle function according to claim 1, wherein: the left side and the right side of the transverse plate (22) are respectively provided with a second sliding block (17) through a bracket, and the left side and the right side of the inner cavity of the base (1) are respectively provided with a second sliding groove (21) matched with the second sliding blocks (17).
7. The liquid chromatograph with the detection nozzle function according to claim 1, wherein: the top of the base (1) is fixedly provided with a battery box (3), and a storage battery is arranged in the battery box (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121985232.9U CN215866532U (en) | 2021-08-23 | 2021-08-23 | Liquid chromatograph with detect nozzle function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121985232.9U CN215866532U (en) | 2021-08-23 | 2021-08-23 | Liquid chromatograph with detect nozzle function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215866532U true CN215866532U (en) | 2022-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121985232.9U Expired - Fee Related CN215866532U (en) | 2021-08-23 | 2021-08-23 | Liquid chromatograph with detect nozzle function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215866532U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116773684A (en) * | 2022-03-23 | 2023-09-19 | 广东德立科技发展有限公司 | Circulating system of mobile phase of high performance liquid chromatograph and control method thereof |
-
2021
- 2021-08-23 CN CN202121985232.9U patent/CN215866532U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116773684A (en) * | 2022-03-23 | 2023-09-19 | 广东德立科技发展有限公司 | Circulating system of mobile phase of high performance liquid chromatograph and control method thereof |
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| 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: 20220218 |