Nitrogen blowing concentrator

Abstract

The utility model belongs to the technical field of chemical detection devices, and particularly relates to a nitrogen blowing instrument which comprises a base, an electric telescopic rod, a cleaning pool and a sample positioning sleeve, a curved frame is arranged on one side of the top of the base, a gas distribution module is arranged on one side of the curved frame, mounting frames are arranged at the bottom of the curved frame, a lead screw is arranged between the mounting frames, a servo motor is arranged on one side of each mounting frame, and the output end of each servo motor penetrates through the corresponding mounting frame to be connected with the corresponding lead screw. A sliding block is arranged on the surface of the lead screw. The electric telescopic rod is arranged at the bottom of the sliding block, a sliding strip plate is arranged at the bottom of the electric telescopic rod, a sliding sleeve is arranged at the bottom of the sliding strip plate, a fixing screw is arranged on one side of the sliding sleeve, and a nitrogen blowing needle is arranged at the bottom of the sliding sleeve; the structure is reasonable, in the using process, the position and distance of the nitrogen blowing needles are convenient to adjust, flexibility is high, meanwhile, the nitrogen blowing needles are convenient to clean, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical detection devices, in particular to a nitrogen blowing instrument. Background Art

[0002] The nitrogen blowdown instrument concentrates the sample by blowing nitrogen into the surface of the heated sample. It is simple to operate and can process multiple samples in batches at the same time. It is widely used in sample preparation in pesticide analysis, commodity inspection, food, environment, pharmaceuticals, biological products and other industries.

[0003] In the prior art, the application number is CN201821375173.1, and the application name is a nitrogen blowing instrument. The technical solution recorded includes a gas distribution system, a sample positioning frame, and a water bath. The sample positioning frame can be detachably installed in the water bath. The sample positioning frame is provided with a sample tube. It is characterized in that the gas distribution system is installed above the sample positioning frame, and the gas distribution system includes a lifting device and a nitrogen blowing needle. The nitrogen blowing needle is arranged directly above the sample tube, and the lifting device drives the nitrogen blowing needle to rise or fall; a heating device is provided at the bottom of the water bath, and an ultrasonic transducer and a drying device are provided on the inner side of the water bath. A nitrogen blowing instrument of the utility model does not need to be disassembled and cleaned after the nitrogen blowing needle is used. It can be cleaned directly on the nitrogen blowing instrument, reducing the process of disassembling the nitrogen blowing needle, which not only saves the time used for cleaning, but also prevents damage during the disassembly of the nitrogen blowing needle.

[0004] However, there are still some shortcomings in the actual use process, such as it is not convenient to adjust the position of the nitrogen blowing needle during use, and it is not convenient to adjust the spacing between the nitrogen blowing needles. For this reason, we have made further improvements to it. Utility Model Content

[0005] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model of this application to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] In view of the problems existing in the prior art, the present utility model is proposed.

[0007] Therefore, the purpose of the utility model is to provide a nitrogen blowing instrument, which is convenient for adjusting the position and spacing of the nitrogen blowing needle during use, has high flexibility, is convenient for cleaning the nitrogen blowing needle, and has strong practicality.

[0008] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0009] A nitrogen blowing instrument comprises a base, an electric telescopic rod, a cleaning pool and a sample positioning sleeve;

[0010] in,

[0011] A curved frame is arranged on one side of the top of the base, a gas distribution module is arranged on one side of the curved frame, a mounting frame is arranged at the bottom of the curved frame, a screw rod is arranged between the mounting frames, a servo motor is arranged on one side of the mounting frame, and the output end of the servo motor passes through the mounting frame and is connected to the screw rod, and a slider is arranged on the surface of the screw rod;

[0012] The electric telescopic rod is arranged at the bottom of the slider, a sliding strip plate is arranged on the bottom of the electric telescopic rod, a sliding sleeve is arranged at the bottom of the sliding strip plate, a fixing screw is arranged on one side of the sliding sleeve, a nitrogen blowing needle is arranged at the bottom of the sliding sleeve, and the nitrogen blowing needle is connected to the gas distribution module through a pipeline;

[0013] The cleaning pool is arranged on one side of the top of the base, ultrasonic transducers are arranged on both sides of the cleaning pool, ultrasonic generators are arranged on both sides of the interior of the cleaning pool, and the ultrasonic generators are electrically connected to the ultrasonic transducers;

[0014] The sample positioning sleeve is arranged on the other side of the top of the base, a threaded sleeve is arranged on one side of the sample positioning sleeve, a threaded rod is arranged in the inner cavity of the threaded sleeve, a knob is arranged at one end of the threaded rod, and a clamp is arranged at the other end of the threaded rod.

[0015] As a preferred solution of the nitrogen blowing apparatus described in the utility model, wherein: supporting legs are arranged at the four corners of the bottom of the base, and a suction cup is arranged at the bottom of the supporting legs.

[0016] As a preferred solution of the nitrogen blowing instrument described in the utility model, limit stops are provided at both ends of the sliding strip plate.

[0017] As a preferred solution of the nitrogen blowing apparatus described in the utility model, a drain pipe is provided on one side of the cleaning pool, and a gate valve is provided on the drain pipe.

[0018] As a preferred solution of the nitrogen blowing instrument described in the utility model, wherein: a rotating handle is provided on the surface of the knob, and the surface of the rotating handle is provided with anti-slip convex patterns.

[0019] As a preferred solution of the nitrogen blowing apparatus described in the utility model, a rubber gasket is provided on the surface of the clamping plate.

[0020] As a preferred solution of the nitrogen blowing instrument described in the utility model, wherein: the clamping plate is connected to one end of the threaded rod through a shaft sleeve.

[0021] Compared with the prior art, the utility model has the following beneficial effects: through the cooperation of the mounting frame, the screw rod, the servo motor and the slider, the position of the nitrogen blowing needle can be conveniently adjusted; through the cooperation of the sliding strip plate, the sliding sleeve and the fixing screw, the spacing of the nitrogen blowing needle can be conveniently adjusted, and the adjustment is convenient and the flexibility is high; in addition, through the cooperation of the cleaning pool, the ultrasonic transducer and the ultrasonic generator, the nitrogen blowing needle can be conveniently cleaned; in addition, through the cooperation of the sample positioning sleeve, the threaded sleeve, the threaded rod, the knob and the clamping plate, the sample racks of different sizes can be conveniently clamped and fixed, and the flexibility is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solution of the implementation of the utility model, the utility model will be described in detail below in combination with the drawings and detailed implementation. Obviously, the drawings described below are only some implementations of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0023] Figure 1 It is a schematic diagram of the structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the structure of the cleaning pool of the utility model;

[0025] Figure 3 This is a schematic diagram of the structure of the sliding strip board of the utility model.

[0026] In the figure; 100 base, 110 supporting tripod, 120 curved frame, 130 mounting frame, 140 screw rod, 150 servo motor, 160 slider, 170 gas distribution module, 200 electric telescopic rod, 210 sliding plate, 220 sliding sleeve, 230 fixing screw, 240 nitrogen blowing needle, 300 cleaning tank, 310 ultrasonic transducer, 320 ultrasonic generator, 400 sample positioning sleeve, 410 threaded sleeve, 420 threaded rod, 430 knob, 440 splint. DETAILED DESCRIPTION

[0027] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0028] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0029] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged according to the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0030] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0031] The utility model provides the following technical solutions: a nitrogen blowing instrument, which is convenient for adjusting the position and spacing of the nitrogen blowing needle during use, has high flexibility, is convenient for cleaning the nitrogen blowing needle, and has strong practicality;

[0032] Figures 1 to 3 The figure shows a schematic diagram of the structure of an embodiment of a nitrogen blowing instrument of the utility model, the main body of which includes a base 100, an electric telescopic rod 200, a cleaning pool 300 and a sample positioning sleeve 400;

[0033] Please refer again Figures 1 to 3 : Supporting legs 110 are installed at the four corners of the bottom of the base 100, and a suction cup is installed at the bottom of the supporting legs 110. A curved frame 120 is installed on one side of the top of the base 100, and a gas distribution module 170 is installed on one side of the curved frame 120. A mounting frame 130 is fixed to the bottom of the curved frame 120, and a screw rod 140 is installed between the mounting frames 130. A servo motor 150 is installed on one side of the mounting frame 130, and the output end of the servo motor 150 passes through the mounting frame 130 and is connected to the screw rod 140. A slider 160 is installed on the surface of the screw rod 140. Further, the base 100 and the supporting legs 110 are used to support the curved frame 120, and the curved frame 120 is used to carry the mounting frame 130. The mounting frame 130, the screw rod 140, the servo motor 150 and the slider 160 are used to drive the nitrogen blowing needle 240 to move left and right, and the gas distribution module 170 is used for nitrogen distribution;

[0034] Please refer again Figures 1 to 3 : The electric telescopic rod 200 is installed at the bottom of the slider 160, and a sliding plate 210 is installed on the bottom of the electric telescopic rod 200. Limiting blocks are installed at both ends of the sliding plate 210. A sliding sleeve 220 is installed at the bottom of the sliding plate 210. A fixing screw 230 is installed on one side of the sliding sleeve 220. A nitrogen blowing needle 240 is installed at the bottom of the sliding sleeve 220, and the nitrogen blowing needle 240 is connected to the gas distribution module 170 through a pipeline. Further, the electric telescopic rod 200 is used to drive the nitrogen blowing needle 240 to move up and down, and the sliding plate 210, the sliding sleeve 220 and the fixing screw 230 are used to adjust the spacing of the nitrogen blowing needle 240, and the nitrogen blowing needle 240 is used for nitrogen blowing;

[0035] Please refer again Figures 1 to 3 : The cleaning pool 300 is installed on one side of the top of the base 100, and ultrasonic transducers 310 are installed on both sides of the cleaning pool 300. Ultrasonic generators 320 are installed on both sides of the interior of the cleaning pool 300, and the ultrasonic generator 320 is electrically connected to the ultrasonic transducer 310. A drain pipe is installed on one side of the cleaning pool 300, and a gate valve is installed on the drain pipe. Further, the cleaning pool 300, the ultrasonic transducer 310 and the ultrasonic generator 320 are used for nitrogen blowing needle 240 cleaning;

[0036] Please refer again Figures 1 to 3 : The sample positioning sleeve 400 is installed on the other side of the top of the base 100, and a threaded sleeve 410 is installed on one side of the sample positioning sleeve 400. A threaded rod 420 is installed in the inner cavity of the threaded sleeve 410, a knob 430 is installed at one end of the threaded rod 420, and a splint 440 is installed at the other end of the threaded rod 420. A rotating handle is installed on the surface of the knob 430, and the surface of the rotating handle is provided with anti-slip convex grooves. A rubber gasket is bonded to the surface of the splint 440, and the splint 440 is connected to one end of the threaded rod 420 through a shaft sleeve. Further, the sample positioning sleeve 400 is used to carry the sample rack, and the threaded sleeve 410, the threaded rod 420, the knob 430 and the splint 440 are used to clamp and fix the sample rack.

[0037] Working principle: During the use of the utility model, the position of the nitrogen blow needle 240 is conveniently adjusted through the cooperation of the mounting frame 130, the screw rod 140, the servo motor 150 and the slider 160, and the spacing of the nitrogen blow needle 240 is conveniently adjusted through the cooperation of the slide plate 210, the sliding sleeve 220 and the fixing screw 230, which is convenient for adjustment and has high flexibility; in addition, through the cooperation of the cleaning pool 300, the ultrasonic transducer 310 and the ultrasonic generator 320, the nitrogen blow needle 240 is convenient for cleaning; in addition, through the cooperation of the sample positioning sleeve 400, the threaded sleeve 410, the threaded rod 420, the knob 430 and the clamping plate 440, sample racks of different sizes can be clamped and fixed, which has high flexibility.

[0038] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A nitrogen blowing apparatus, characterized in that: It comprises a base (100), an electric telescopic rod (200), a cleaning pool (300) and a sample positioning sleeve (400); in, A curved frame (120) is arranged on one side of the top of the base (100), a gas distribution module (170) is arranged on one side of the curved frame (120), a mounting frame (130) is arranged at the bottom of the curved frame (120), a screw rod (140) is arranged between the mounting frames (130), a servo motor (150) is arranged on one side of the mounting frame (130), and an output end of the servo motor (150) passes through the mounting frame (130) and is connected to the screw rod (140), and a slider (160) is arranged on the surface of the screw rod (140); The electric telescopic rod (200) is arranged at the bottom of the slider (160), a sliding strip plate (210) is arranged at the bottom of the electric telescopic rod (200), a sliding sleeve (220) is arranged at the bottom of the sliding strip plate (210), a fixing screw (230) is arranged on one side of the sliding sleeve (220), a nitrogen blowing needle (240) is arranged at the bottom of the sliding sleeve (220), and the nitrogen blowing needle (240) is connected to the gas distribution module (170) through a pipeline; The cleaning pool (300) is arranged on one side of the top of the base (100), ultrasonic transducers (310) are arranged on both sides of the cleaning pool (300), ultrasonic generators (320) are arranged on both sides inside the cleaning pool (300), and the ultrasonic generator (320) is electrically connected to the ultrasonic transducer (310); The sample positioning sleeve (400) is arranged on the other side of the top of the base (100), a threaded sleeve (410) is arranged on one side of the sample positioning sleeve (400), a threaded rod (420) is arranged in the inner cavity of the threaded sleeve (410), a knob (430) is arranged at one end of the threaded rod (420), and a clamping plate (440) is arranged at the other end of the threaded rod (420).

2. A nitrogen blowing apparatus according to claim 1, characterized in that: Supporting legs (110) are arranged at four corners of the bottom of the base (100), and a suction cup is arranged at the bottom of the supporting legs (110).

3. A nitrogen blowing apparatus according to claim 1, characterized in that: Limiting blocks are provided at both ends of the sliding strip plate (210).

4. A nitrogen blowing apparatus according to claim 1, characterized in that: A drainage pipe is provided on one side of the cleaning pool (300), and a gate valve is provided on the drainage pipe.

5. A nitrogen blowing apparatus according to claim 1, characterized in that: The surface of the knob (430) is provided with a rotating handle, and the surface of the rotating handle is provided with anti-slip convex patterns.

6. A nitrogen blowing apparatus according to claim 1, characterized in that: A rubber gasket is provided on the surface of the clamping plate (440).

7. A nitrogen blowing apparatus according to claim 1, characterized in that: The clamping plate (440) is connected to one end of the threaded rod (420) via a shaft sleeve.

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