CN221224385U

CN221224385U - Dry nitrogen blowing instrument

Info

Publication number: CN221224385U
Application number: CN202323128683.2U
Authority: CN
Inventors: 张庆梅
Original assignee: Ningbo Jiangtai Biotechnology Co ltd
Current assignee: Ningbo Jiangtai Biotechnology Co ltd
Priority date: 2023-11-20
Filing date: 2023-11-20
Publication date: 2024-06-25
Anticipated expiration: 2033-11-20

Abstract

The utility model discloses a dry nitrogen blowing instrument, which relates to the technical field of nitrogen blowing instruments and solves the problems that when nitrogen blowing needles on the nitrogen blowing instrument are cleaned, a plurality of nitrogen blowing needles are required to be detached from the nitrogen blowing instrument, and after the cleaning is finished, the nitrogen blowing needles are required to be installed on the nitrogen blowing instrument, the cleaning steps are complicated and the speed is low; according to the utility model, the immersion structure is arranged, the nitrogen blowing needle is not required to be detached, the nitrogen blowing needle is simple and quick to clean, dust or other impurities can be prevented from falling into the rectangular vertical pipe when the nitrogen blowing needle is far away from the rectangular vertical pipe by arranging the protection component, and cleaning liquid in the rectangular vertical pipe can shake by arranging the connection component, so that the cleaning effect on the nitrogen blowing needle is better.

Description

Dry nitrogen blowing instrument

Technical Field

The utility model relates to the technical field of nitrogen blowing instruments, in particular to a dry nitrogen blowing instrument.

Background

The working principle of the dry nitrogen blowing instrument is that nitrogen is blown into the surface of a heated sample, so that the solvent in the sample is quickly evaporated and separated, the purpose of anaerobic concentration of the sample is achieved, and the sample is kept purer; the dry nitrogen blowing instrument is mainly applied to the concentration preparation of a large number of samples, such as the sample preparation in the fields of pharmacy, medical test and pesticide residue detection, drug screening, hormone analysis, liquid phase, gas phase and mass spectrum analysis.

When the existing dry nitrogen blowing instrument is used, the nitrogen blowing needle of the nitrogen blowing instrument is contacted with steam heated by liquid in the test tube, so that the nitrogen blowing needle needs to be cleaned after the nitrogen blowing instrument is used each time, and pollution of the nitrogen blowing needle is reduced.

However, when the nitrogen blowing needles on the nitrogen blowing instrument are cleaned, the nitrogen blowing needles are required to be detached from the nitrogen blowing instrument, and the nitrogen blowing needles are required to be installed on the nitrogen blowing instrument after the cleaning is finished, so that the cleaning steps are complicated and the speed is low.

Disclosure of utility model

The utility model aims to provide a dry nitrogen blowing instrument which is convenient for cleaning a nitrogen blowing needle and can solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a dry-type nitrogen blowing instrument, includes the frame, a plurality of nitrogen blowing needles that are array distribution are installed to the upside of frame, the rear side of frame is installed and is used for the drive the nitrogen blowing needle goes up and down the elevating unit, the inside fixed mounting of frame has the metal module that is used for heating the sample, the downside of metal module is installed and is used for soaking the structure of soaking of nitrogen blowing needle, soak the structure include with the rectangle riser that nitrogen blowing needle quantity equals, the protection component that is used for sealing it is installed to the upper end of rectangle riser, a plurality of the outside of rectangle riser is fixed to have cup jointed the connecting plate.

Preferably, the lower ends of the rectangular risers are fixedly provided with annular pipes which are mutually communicated with the rectangular risers, the outer sides of the annular pipes are fixedly provided with liquid adding pipes which are mutually communicated with the annular pipes at the right ends of the annular pipes, the liquid adding pipes are made of transparent plastics, the lower ends of the annular pipes are fixedly provided with supporting plates, and the supporting plates are in sliding connection with the stand.

Preferably, the connecting plate is fixedly connected with the supporting plate through a connecting rod, a discharge pipe which is mutually communicated with the rectangular vertical pipe is fixedly arranged at the left end of the rectangular vertical pipe outside the rectangular vertical pipe, the discharge pipe can discharge waste liquid in the rectangular vertical pipe and the annular pipe, and the nitrogen blowing needle can penetrate through the metal module and be inserted into the rectangular vertical pipe.

Preferably, the protection component comprises two baffles which are symmetrically distributed, the baffles are connected with the rectangular vertical pipes in a rotating mode, and the baffles can seal the end parts of the rectangular vertical pipes.

Preferably, two ends of the baffle close to each other are movably embedded with a roller, the roller can reduce friction force between the baffle and the nitrogen blowing needle, and two symmetrically distributed coil springs are fixedly sleeved on the outer side of the baffle positioning shaft.

Preferably, four sleeving seats which are symmetrically distributed in pairs are fixedly arranged on the outer side of the rectangular vertical pipe, the outer side ends of the coil springs are fixedly connected with the sleeving seats, and the coil springs can drive the baffle to rotate and reset.

Preferably, two symmetrically distributed connecting components are mounted at the rear end of the machine base, each connecting component comprises a cylindrical rod movably embedded at the upper end of the machine base and capable of moving up and down, a plurality of grooves which are equidistantly distributed are formed in the outer side of each cylindrical rod, and the upper ends of the cylindrical rods can be abutted against a fixing plate of a nitrogen blowing needle.

Preferably, the rear end of the connecting plate corresponds to two post rods, two post rods which are symmetrically distributed are fixedly embedded in the post rods, the post rods are in sliding contact with the post rods through grooves, one end of each post rod, which is far away from the connecting plate, is provided with a hemispherical part, and the lower end of each post rod is positioned in the base and is fixedly connected with a gasket.

Preferably, the lower extreme activity butt of gasket has the spring one, just the other end of spring one with frame activity butt, the front end fixed mounting of connecting plate has a plurality of telescopic links that are equidistant distribution, and the connecting plate can drive rectangle riser and move together.

Preferably, the other end of the telescopic rod is fixedly connected with the base, a second spring is movably sleeved on the outer side of the telescopic rod, and two ends of the second spring are respectively movably abutted to the base and the connecting plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. According to the utility model, the soaking structure is arranged, the driving unit drives the nitrogen blowing needle to move downwards to be inserted into the rectangular vertical pipe in the soaking structure for soaking and cleaning, the nitrogen blowing needle is not required to be disassembled, and the nitrogen blowing needle is simple and rapid to clean.

2. According to the utility model, the protection assembly is arranged, and two baffles in the protection assembly can seal the open end of the rectangular vertical pipe, so that dust or other impurities can be prevented from falling into the rectangular vertical pipe when the nitrogen blowing needle is far away from the rectangular vertical pipe;

3. According to the nitrogen blowing needle cleaning device, the connecting assembly is arranged, the fixing plate of the nitrogen blowing needle can drive the cylindrical rod to move downwards when moving downwards to a certain position, and the cylindrical rod can drive the connecting plate and the soaking structure to move back and forth in a reciprocating manner through the grooves and the ejector rods, so that cleaning liquid in the rectangular vertical pipe can shake, and the cleaning effect on the nitrogen blowing needle is better.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a left side schematic view of the present utility model;

FIG. 3 is a schematic side cross-sectional view of a housing of the present utility model;

FIG. 4 is a schematic view of the internal structure of the engine base of the present utility model;

FIG. 5 is a schematic view of the soaking structure according to the present utility model;

fig. 6 is an enlarged split schematic of fig. 5a according to the present utility model.

In the figure: 1. a base; 2. a nitrogen blowing needle; 3. a lifting unit; 4. a metal module; 5. a soaking structure; 501. a rectangular vertical pipe; 502. an annular tube; 503. a liquid adding tube; 504. a discharge pipe; 6. a protective assembly; 601. a baffle; 602. a roller; 603. a coil spring; 604. a socket is sleeved; 7. a connecting plate; 8. a supporting plate; 9. a connection assembly; 901. a cylindrical rod; 902. a groove; 903. a push rod; 904. a gasket; 905. a first spring; 10. a telescopic rod; 11. and a second spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1, 2 and 3, the dry nitrogen blowing instrument in the drawings comprises a machine base 1, a plurality of nitrogen blowing needles 2 distributed in an array are installed on the upper side of the machine base 1, a lifting unit 3 for driving the nitrogen blowing needles 2 to lift is installed on the rear side of the machine base 1, a metal module 4 for heating a sample is fixedly installed in the machine base 1, a soaking structure 5 for soaking the nitrogen blowing needles 2 is installed on the lower side of the metal module 4, the soaking structure 5 comprises rectangular vertical pipes 501 with the same quantity as the nitrogen blowing needles 2, a protection component 6 for blocking the rectangular vertical pipes 501 is installed at the upper end of the rectangular vertical pipes 501, and a connecting plate 7 is fixedly sleeved on the outer sides of the rectangular vertical pipes 501.

Referring to fig. 4, an annular tube 502 is fixedly connected to the lower ends of the rectangular risers 501, a liquid adding tube 503 is fixedly connected to the outer side of the annular tube 502 at the right end of the annular tube 502, the liquid adding tube 503 is made of transparent plastic, a supporting plate 8 is fixedly connected to the lower ends of the annular tubes 502, and the supporting plate 8 is slidably connected to the base 1.

Referring to fig. 5, a connecting plate 7 is fixedly connected with a supporting plate 8 through a connecting rod, a discharge pipe 504 which is mutually communicated with the rectangular vertical pipe 501 is fixedly arranged at the left end of the outer side of the rectangular vertical pipe 501, the discharge pipe 504 can discharge waste liquid in the rectangular vertical pipe 501 and the annular pipe 502, and a nitrogen blowing needle 2 can penetrate through a metal module 4 and be inserted into the rectangular vertical pipe 501.

The working principle of conveniently cleaning the nitrogen blowing needle is as follows: the test tube containing the sample is inserted into the metal module 4, the metal module 4 heats the test tube, the lifting unit 3 drives the nitrogen blowing needle 2 to move downwards into the test tube, nitrogen is blown into the surface of the heated sample, and the solvent in the sample is quickly evaporated and separated;

When the nitrogen blowing needle 2 needs to be cleaned, a user controls the lifting unit 3 to drive the fixing plate of the nitrogen blowing needle 2 to move downwards, so that the nitrogen blowing needle 2 moves downwards to be inserted into the rectangular vertical pipe 501, cleaning liquid is contained in the rectangular vertical pipe 501, the nitrogen blowing needle 2 is inserted into the rectangular vertical pipe 501 containing the cleaning liquid to be soaked, and during the process, the nitrogen blowing needle 2 can also blow out nitrogen to drive liquid to shake, so that the nitrogen blowing needle 2 is directly cleaned, the nitrogen blowing needle 2 does not need to be disassembled, and the nitrogen blowing needle 2 is simple and quick to incline.

Example two

Referring to fig. 5 and 6, for further description of the embodiment, it is preferable that the protection component 6 includes two symmetrically distributed baffles 601, and the connection manner between the baffles 601 and the rectangular stand pipe 501 is a rotational connection, and the baffles 601 can seal the end of the rectangular stand pipe 501.

Referring to fig. 6, one end of two baffles 601 close to each other is movably embedded with a roller 602, the roller 602 can reduce friction force between the baffles 601 and the nitrogen blowing needle 2, two symmetrically distributed coil springs 603 are fixedly sleeved on the outer side of a positioning shaft of the baffles 601, four symmetrically distributed sleeved seats 604 are fixedly arranged on the outer side of a rectangular vertical pipe 501, the outer ends of the coil springs 603 are fixedly connected with the sleeved seats 604, and the coil springs 603 can drive the baffles 601 to rotate and reset.

In this embodiment: before the nitrogen blowing needle 2 moves downwards to be inserted into the rectangular vertical pipe 501, the nitrogen blowing needle 2 needs to pass through the protection component 6, the nitrogen blowing needle 2 moves downwards to be inserted between the two baffles 601, the two baffles 601 are driven to rotate downwards, when the nitrogen blowing needle 2 moves upwards, the nitrogen blowing needle 2 drives the roller 602 to rotate in the baffles 601, when the nitrogen blowing needle 2 is separated from the baffles 601, the baffles 601 rotate to reset under the driving of the coil springs 603, the open end of the rectangular vertical pipe 501 is blocked, and impurities or dust can be prevented from falling into the rectangular vertical pipe 501 when the nitrogen blowing needle 2 is separated from the rectangular vertical pipe 501.

Example III

Referring to fig. 4, for further explanation of this embodiment, preferably, two symmetrically distributed connection assemblies 9 are installed in the machine base 1 near the rear end thereof, the connection assemblies 9 include cylindrical rods 901 movably embedded in the upper end of the machine base 1 and capable of moving up and down, a plurality of equidistantly distributed grooves 902 are formed in the outer side of the cylindrical rods 901, the upper ends of the cylindrical rods 901 can be abutted against the fixing plates of the nitrogen blowing needles 2, two symmetrically distributed push rods 903 are fixedly embedded in the positions of the rear ends of the connecting plates 7 corresponding to the two cylindrical rods 901, the push rods 903 are in sliding contact with the cylindrical rods 901 through the grooves 902, hemispherical portions are arranged at one ends of the push rods 903 far away from the connecting plates 7, and gaskets 904 are fixedly connected to the lower ends of the cylindrical rods 901 in the machine base 1.

Referring to fig. 4 and 5, a first spring 905 is movably abutted to the lower end of the spacer 904, the other end of the first spring 905 is movably abutted to the base 1, a plurality of equidistant telescopic rods 10 are fixedly mounted at the front end of the connecting plate 7, the connecting plate 7 can drive the rectangular vertical pipes 501 to move together, the other end of the telescopic rods 10 is fixedly connected with the base 1, a second spring 11 is movably sleeved on the outer side of the telescopic rods 10, and two ends of the second spring 11 are movably abutted to the base 1 and the connecting plate 7 respectively.

In this embodiment: after the lifting unit 3 drives the fixed plate of the nitrogen blowing needle 2 to move downwards for a certain distance, the fixed plate of the nitrogen blowing needle 2 can prop against the top end of the cylindrical rod 901, the cylindrical rod 901 is driven to move downwards together, in the process of moving the cylindrical rod 901 downwards, the hemispherical part of the ejector rod 903 is in sliding contact with the cylindrical rod 901 through the groove 902, and the connecting plate 7 and the soaking structure 5 can reciprocate back and forth in the machine base 1 in cooperation with the driving of the spring II 11, so that cleaning liquid in the rectangular vertical pipe 501 can shake, and the cleaning effect on the nitrogen blowing needle 2 is better.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process-method-article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process-method-article or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes-modifications-substitutions and alterations can be made to 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

1. The utility model provides a dry-type nitrogen blowing appearance, includes frame (1), a plurality of nitrogen that are array distribution are blown needle (2) are installed to the upside of frame (1), the rear side of frame (1) is installed and is used for the drive lift unit (3) that nitrogen blown needle (2) go up and down, the inside fixed mounting of frame (1) has metal module (4) that are used for carrying out heating to the sample, its characterized in that: the lower side of metal module (4) is installed and is used for soaking soak structure (5) that nitrogen blown needle (2), soak structure (5) include with nitrogen blows rectangular riser (501) that needle (2) quantity equals, protection component (6) that are used for keeping off it are installed to the upper end of rectangular riser (501), a plurality of the outside of rectangular riser (501) is fixed to have cup jointed connecting plate (7).

2. The dry nitrogen blowing instrument of claim 1, wherein: the lower ends of the rectangular vertical pipes (501) are fixedly provided with annular pipes (502) which are mutually communicated with the rectangular vertical pipes, the outer sides of the annular pipes (502) are fixedly provided with liquid adding pipes (503) which are mutually communicated with the annular pipes, the lower ends of the annular pipes (502) are fixedly provided with supporting plates (8), and the supporting plates (8) are in sliding connection with the base (1).

3. The dry nitrogen blowing instrument of claim 2, wherein: the connecting plate (7) is fixedly connected with the supporting plate (8) through a connecting rod, a discharge pipe (504) which is mutually communicated with the rectangular vertical pipe (501) is fixedly arranged at the left end of the outer side of the rectangular vertical pipe (501), and the nitrogen blowing needle (2) can penetrate through the metal module (4) to be inserted into the rectangular vertical pipe (501).

4. The dry nitrogen blowing instrument of claim 1, wherein: the protection component (6) comprises two baffle plates (601) which are symmetrically distributed, and the baffle plates (601) are connected with the rectangular vertical pipe (501) in a rotating mode.

5. The dry nitrogen blowing instrument of claim 4, wherein: two baffle (601) are close to each other one end activity inlay cylinder (602), the outside of baffle (601) location axle has fixedly cup jointed two coil springs (603) that are symmetrical distribution.

6. The dry nitrogen blowing instrument of claim 5, wherein: four sleeving seats (604) which are symmetrically distributed in pairs are fixedly arranged on the outer side of the rectangular vertical pipe (501), and the outer side ends of the coil springs (603) are fixedly connected with the sleeving seats (604).

7. The dry nitrogen blowing instrument of claim 1, wherein: two symmetrically distributed connecting components (9) are arranged at the rear end of the base (1), the connecting components (9) comprise cylindrical rods (901) which are movably embedded at the upper end of the base (1) and can move up and down, and a plurality of equidistantly distributed grooves (902) are formed in the outer side of each cylindrical rod (901).

8. The dry nitrogen blowing instrument of claim 7, wherein: two ejector rods (903) which are symmetrically distributed are fixedly embedded at the positions of the rear ends of the connecting plates (7) corresponding to the two cylindrical rods (901), the ejector rods (903) are in sliding contact with the cylindrical rods (901) through grooves (902), and gaskets (904) are fixedly connected to the lower ends of the cylindrical rods (901) in the machine base (1).

9. The dry nitrogen blowing instrument of claim 8, wherein: the lower end of the gasket (904) is movably abutted with a first spring (905), the other end of the first spring (905) is movably abutted with the base (1), and a plurality of telescopic rods (10) which are equidistantly distributed are fixedly arranged at the front end of the connecting plate (7).

10. The dry nitrogen blowing instrument of claim 9, wherein: the other end of the telescopic rod (10) is fixedly connected with the machine base (1), a second spring (11) is movably sleeved on the outer side of the telescopic rod (10), and two ends of the second spring (11) are respectively movably abutted to the machine base (1) and the connecting plate (7).