Nitrogen blowing concentrator convenient to adjust height

Abstract

The utility model relates to the technical field of nitrogen blowing concentrators, and discloses a nitrogen blowing concentrator convenient for height adjustment, which comprises a shell, a nitrogen blowing device is arranged above the shell, the nitrogen blowing device comprises a mounting part, the mounting part comprises a test tube rack and a mounting column, the bottom end of the mounting column and the bottom end of the test tube rack both extend into the shell, and the mounting column is connected with the mounting column. The bottom face of the mounting column is fixedly connected with the interior of the shell. According to the nitrogen blowing concentrator convenient to adjust the height, the mounting disc, the hydraulic rod, the hose, the first screw rod, the mounting cylinder, a spray pipe, a sliding block, a connecting ball, an extrusion plate, a sliding rod and a spring are arranged, the extrusion plate extrudes the connecting ball by utilizing the tensile force of the spring, air injection and paying-off of the spray pipe are convenient to adjust, and the distance between the spray pipe and the inner wall of a test tube is adjusted by rotating the first screw rod; through an inclined blowing technology, nitrogen flow forms spiral airflow in the reagent tube, so that the impulse of the airflow is slowed down, a solvent is volatilized more uniformly, the solvent is prevented from splashing, and the recovery rate of a target substance is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to nitrogen blow concentrator technical field, specifically be convenient for height's nitrogen blow concentrator of adjusting. BACKGROUND

[0002] Nitrogen blowing instrument, short for: nitrogen blowing instrument, nitrogen blowing instrument, concentrator, usually nitrogen is blown into the surface of the heated sample to concentrate the sample, has the characteristics such as time saving, convenient operation, easy control, can quickly get the expected result.

[0003] Chinese patent discloses a kind of water bath nitrogen blowing instrument of convenient use, and the publication number is CN211954943U, including base, the base is equipped with water bath, the water bath is fixedly connected with mounting table, the mounting table is slidably connected with nitrogen blowing device, the nitrogen blowing device includes support, blowing piece and adjusting piece, the support and mounting table are slidably connected, the support and blowing piece are slidably connected, the blowing piece and adjusting piece are movably connected, the adjusting piece is connected with support by limiting bolt, the base is detachably connected with test tube placing plate.The utility model is simple in structure, convenient to operate, by setting the water bath nitrogen blowing instrument of sliding connection, effectively convenient installation operation of staff in use process, the device can be adjusted to a certain extent at the same time Height of blowing needle, so that the height of blowing needle and sample liquid surface is kept in optimum state, thereby accelerating the concentration speed of liquid.

[0004] But still include following shortcoming: device controls blowing needle to move up and down when using, but device cannot adjust the air outlet direction of blowing needle, cannot optimize the flow mode of nitrogen in concentration tube.Therefore, we propose a kind of nitrogen blow concentrator to solve this problem The height is adjusted. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of nitrogen blow concentrator to solve the problems raised in the above background technology, which is convenient to adjust height.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of nitrogen blow concentrator to adjust height, including shell, the shell is provided with nitrogen blowing device above, the nitrogen blowing device includes installation part;

[0007] The installation part includes test tube rack and mounting column, the bottom end of the mounting column and the bottom end of test tube rack are extended to the inside of shell, the bottom surface of the mounting column is fixedly connected with the inside of shell, and the test tube rack is fixedly sleeved on the outer surface of the mounting column;

[0008] The shell is provided with blowing part above;

[0009] The blowing part comprises a mounting disc, a hose, a mounting cylinder, a spray pipe, a sliding block, a connecting ball, a pressing plate and a sliding rod, a through groove is formed in the outer surface of the mounting column, the outer surface of the sliding block is slidably connected with the inner wall of the through groove, the mounting disc is fixedly sleeved on the outer surface of the sliding block, a mounting hole is formed in the bottom surface of the mounting cylinder, a sliding groove is formed in the bottom surface of the mounting cylinder, the top end outer surface of the sliding rod extends into the sliding groove and is slidably connected with the inner wall of the sliding groove, the bottom surface of the sliding rod is fixedly connected with the top surface of the pressing plate, and the top surface of the spray pipe is fixedly and penetratingly connected with the outer surface of the connecting ball.

[0010] Further improvement lies in that the mounting part further comprises a T-shaped rod and an elastic rod, the outer surface of the elastic rod is fixedly connected with the inner wall of the T-shaped rod, the outer surface of the elastic rod is fixedly connected with the outer surface of the test tube rack, and the outer surface of the T-shaped rod slidably penetrates the outer surface of the test tube rack and extends to the inner side of the test tube rack, so that the test tubes with different diameters can be clamped and positioned.

[0011] Further improvement lies in that the bottom surface of the hose extends into the mounting cylinder and is fixedly connected with the inner wall of the mounting cylinder, the inner wall of the bottom end of the mounting cylinder is fixedly connected with a gasket, and the outer surface of the connecting ball extends into the mounting cylinder and is matched with the outer surface of the gasket, so that the gas outlet angle of the spray pipe can be changed by arranging the hose, the connecting ball and the spray pipe.

[0012] Further improvement lies in that the blowing part further comprises a hydraulic rod, a first screw rod, a second screw rod and a spring, the bottom end of the spring is fixedly connected with the top surface of the pressing plate, and the top end of the spring is fixedly connected with the bottom surface of the mounting cylinder, so that the position of the connecting ball can be adjusted by the pulling force of the spring.

[0013] Further improvement lies in that the outer surface of the second screw rod is threaded through the outer surface of the mounting cylinder and extends into the mounting cylinder, and the outer surface of the second screw rod is fixedly connected with an elastic pressing plate, so that the gas outlet speed of the spray pipe can be adjusted by extruding the hose by arranging the second screw rod and the elastic pressing plate.

[0014] Further improvement lies in that the bottom surface of the output rod of the hydraulic rod is fixedly connected with the top surface of the sliding block, and the top end outer surface of the hydraulic rod fixedly penetrates the inner wall of the mounting column and extends above the mounting column, so that the mounting disc and the spray pipe can be controlled to move up and down by arranging the hydraulic rod and the sliding block.

[0015] Further improvement lies in that a through hole is formed in the outer surface of the mounting disc, the top end of the mounting cylinder penetrates the through hole and extends above the mounting disc, and the outer surface of the first screw rod is threaded through the outer surface of the mounting disc and is rotatably connected with the outer surface of the mounting cylinder through a bearing seat, so that the distance between the spray pipe and the inner wall of the test tube and the gas outlet angle of the spray pipe can be adjusted by arranging the first screw rod.

[0016] Compared with the prior art, the nitrogen blowing concentrator convenient to adjust height has the advantages that the spring tension is utilized to extrude the connecting ball by the extrusion plate, the jet line of the spray pipe is conveniently adjusted, the distance between the spray pipe and the inner wall of the test tube is adjusted by rotating the first screw rod, the nitrogen flow is formed into a spiral flow in the reagent tube by the inclined blowing technology, the impulse of the flow is slowed down, the solvent volatilization is more uniform, the solvent splashing is avoided, and the recovery rate of the target substance is improved; the second screw rod is arranged, the second screw rod is rotated, the elastic pressing plate extrudes the hose, and the air outlet speed is adjusted; the test tube rack, the mounting column, the T-shaped rod and the elastic rod are arranged, and the elastic force of the elastic rod is utilized to clamp the test tubes with different diameters. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic view of the nitrogen blowing device of the utility model;

[0018] Figure 2 It is a three-dimensional structure sectional view of the nitrogen blowing device of the utility model;

[0019] Figure 3 It is Figure 2 It is the structure enlarged view of A in the middle;

[0020] Figure 4 It is Figure 2 It is the structure enlarged view of B in the middle;

[0021] Figure 5 It is the three-dimensional structure partial sectional view of the gas blowing part of the utility model.

[0022] In the drawing: 1 shell, 2 nitrogen blowing device, 21 mounting part, 22 gas blowing part, 211 test tube rack, 212 mounting column, 213 T-shaped rod, 214 elastic rod, 221 mounting disc, 222 hydraulic rod, 223 hose, 224 first screw rod, 225 mounting cylinder, 226 spray pipe, 227 sliding block, 228 second screw rod, 229 connecting ball, 220 extrusion plate, 201 sliding rod, 202 spring. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Please refer to Figures 1-5The utility model provides a technical scheme: a nitrogen blow concentration appearance convenient for adjusting height, including casing 1, be provided with nitrogen blow device 2 on casing 1, nitrogen blow device 2 includes installation portion 21,

[0025] Installation portion 21 includes test tube rack 211 and installation column 212, and the bottom end of installation column 212 and the bottom end of test tube rack 211 all extend to the inside of casing 1, the bottom surface of installation column 212 is fixedly connected with the inside of casing 1, test tube rack 211 is fixedly sleeved on the outer surface of installation column 212, and installation portion 21 further includes T-shaped rod 213 and elastic rod 214,

[0026] The outer surface of elastic rod 214 is fixedly connected with the inner wall of T-shaped rod 213, the outer surface of test tube rack 211 is fixedly connected with the outer surface of elastic rod 214, and the outer surface of T-shaped rod 213 is slidably penetrated through the outer surface of test tube rack 211 and extends to the inside of test tube rack 211, by setting test tube rack 211, installation column 212, T-shaped rod 213 and elastic rod 214, the elastic force of elastic rod 214 is utilized to make T-shaped rod 213 clamp test tubes of different diameters,

[0027] Casing 1 is provided with blowing part 22 above,

[0028] Blowing part 22 includes mounting disc 221, hose 223, installation cylinder 225, spray pipe 226, sliding block 227, connecting ball 229, extrusion plate 220 and sliding rod 201, the outer surface of installation column 212 is provided with through slot, the outer surface of sliding block 227 is slidably connected with the inner wall of through slot, mounting disc 221 is fixedly sleeved on the outer surface of sliding block 227, the bottom surface of installation cylinder 225 is provided with mounting hole, the bottom surface of installation cylinder 225 is provided with sliding slot, the outer surface of the top end of sliding rod 201 extends to the inside of sliding slot and is slidably connected with the inner wall of sliding slot, the bottom surface of sliding rod 201 is fixedly connected with the top surface of extrusion plate 220, the top surface of spray pipe 226 is fixedly penetrated with the outer surface of connecting ball 229, and blowing part 22 further includes hydraulic rod 222, first screw 224, second screw 228 and spring 202,

[0029] The bottom surface of the output rod of hydraulic rod 222 is fixedly connected with the top surface of sliding block 227, and the outer surface of the top end of hydraulic rod 222 is fixedly penetrated through the inner wall of installation column 212 and extends to the above of installation column 212,

[0030] The bottom surface of hose 223 extends to the inside of installation cylinder 225 and is fixedly connected with the inner wall of installation cylinder 225, the inner wall of the bottom end of installation cylinder 225 is fixedly connected with gasket, the outer surface of connecting ball 229 extends to the inside of installation cylinder 225 and is adapted with the outer surface of gasket, the bottom end of spring 202 is fixedly connected with the top surface of extrusion plate 220, and the top end of spring 202 is fixedly connected with the bottom surface of installation cylinder 225,

[0031] The outer surface of the mounting disc 221 is provided with a through hole, the top end of the mounting cylinder 225 penetrates through the through hole and extends above the mounting disc 221, the outer surface of the first screw rod 224 is screwed through the outer surface of the mounting disc 221 and is rotatably connected with the outer surface of the mounting cylinder 225 through a bearing seat, by arranging the mounting disc 221, the hydraulic rod 222, the hose 223, the first screw rod 224, the mounting cylinder 225, the spray pipe 226, the sliding block 227, the connecting ball 229, the extrusion plate 220, the sliding rod 201 and the spring 202, the connecting ball 229 is extruded by the extrusion plate 220 by the pulling force of the spring 202, the jet release of the spray pipe 226 is adjusted, the distance between the spray pipe 226 and the inner wall of the test tube is adjusted by rotating the first screw rod 224, the nitrogen flow forms a spiral flow in the reagent tube by the inclined blowing technology, the impulse of the flow is slowed down, the solvent volatilization is more uniform, the solvent splashing is avoided, and the recovery rate of the target substance is improved;

[0032] The outer surface of the second screw rod 228 is screwed through the outer surface of the mounting cylinder 225 and extends into the mounting cylinder 225, and the outer surface of the second screw rod 228 is fixedly connected with an elastic pressing plate, by arranging the second screw rod 228, the elastic pressing plate extrudes the hose 223 by rotating the second screw rod 228, and the exhaust speed is adjusted.

[0033] In use, the test tube is placed on the test tube rack 211, the extrusion plate 220 is pressed downward, the angle of the connecting ball 229 and the spray pipe 226 is adjusted, the extrusion plate 220 is loosened, the spring 202 pulls the pressing plate 220 to extrude the connecting ball upward, the hydraulic rod 222 is controlled to be elongated, the output rod of the hydraulic rod 222 drives the sliding block 227, the mounting disc 221 and the spray pipe 223 to move downward, the bottom end of the spray pipe 223 extends into the test tube, the first screw rod 224 is rotated, the mounting cylinder 225 and the spray pipe 226 are driven to move by the first screw rod 224, the spray pipe 226 is inclined to approach the inside of the test tube, and the nitrogen flow forms a spiral flow in the reagent tube.

[0034] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A nitrogen blow concentrator for facilitating height adjustment, comprising a housing (1), characterized in that: The shell (1) is provided with a nitrogen blowing device (2) above, the nitrogen blowing device (2) includes a mounting portion (21); The mounting portion (21) includes a test tube rack (211) and a mounting column (212), the bottom end of the mounting column (212) and the bottom end of the test tube rack (211) extend to the inside of the shell (1), the bottom surface of the mounting column (212) is fixedly connected with the inside of the shell (1), and the test tube rack (211) is fixedly sleeved on the outer surface of the mounting column (212). The shell (1) is provided with a blowing part (22) above; The blowing part (22) includes a mounting disc (221), a hose (223), a mounting cylinder (225), a spray pipe (226), a sliding block (227), a connecting ball (229), an extrusion plate (220) and a sliding rod (201), a through groove is formed in the outer surface of the mounting column (212), the outer surface of the sliding block (227) is in sliding connection with the inner wall of the through groove, the mounting disc (221) is fixedly sleeved on the outer surface of the sliding block (227), the bottom surface of the mounting cylinder (225) is provided with a mounting hole, the bottom surface of the mounting cylinder (225) is provided with a sliding groove, the outer surface of the top end of the sliding rod (201) extends to the inside of the sliding groove and is in sliding connection with the inner wall of the sliding groove, the bottom surface of the sliding rod (201) is fixedly connected with the top surface of the extrusion plate (220), and the top surface of the spray pipe (226) is fixedly and penetratingly connected with the outer surface of the connecting ball (229).

2. The nitrogen blow concentrator with easy height adjustment as claimed in claim 1 wherein: The mounting portion (21) further includes a T-shaped rod (213) and an elastic rod (214), the outer surface of the elastic rod (214) is fixedly connected with the inner wall of the T-shaped rod (213), the outer surface of the test tube rack (211) is fixedly connected with the outer surface of the elastic rod (214), and the outer surface of the T-shaped rod (213) slidingly penetrates the outer surface of the test tube rack (211) and extends to the inner side of the test tube rack (211).

3. The nitrogen blow concentrator of claim 1, wherein: The bottom surface of the hose (223) extends to the inside of the mounting cylinder (225) and is fixedly connected with the inner wall of the mounting cylinder (225), the inner wall of the bottom end of the mounting cylinder (225) is fixedly connected with a gasket, and the outer surface of the connecting ball (229) extends to the inside of the mounting cylinder (225) and is matched with the outer surface of the gasket.

4. The nitrogen blow concentrator of claim 1, wherein: The blowing part (22) further includes a hydraulic rod (222), a first screw rod (224), a second screw rod (228) and a spring (202), the bottom end of the spring (202) is fixedly connected with the top surface of the extrusion plate (220), and the top end of the spring (202) is fixedly connected with the bottom surface of the mounting cylinder (225).

5. The nitrogen blow down concentrator of claim 4, wherein: The outer surface of the second screw rod (228) is threaded through the outer surface of the mounting cylinder (225) and extends to the inside of the mounting cylinder (225), and the outer surface of the second screw rod (228) is fixedly connected with an elastic pressing plate.

6. The nitrogen blow down concentrator of claim 4, wherein: The output rod of the hydraulic rod (222) is fixedly connected with the top surface of the sliding block (227), and the outer surface of the top end of the hydraulic rod (222) is fixedly penetrating the inner wall of the mounting column (212) and extends above the mounting column (212).

7. The nitrogen blow down concentrator of claim 4, wherein: The outer surface of the mounting disc (221) is provided with a through hole, the top end of the mounting cylinder (225) penetrates the through hole and extends above the mounting disc (221), and the outer surface of the first screw rod (224) is threaded through the outer surface of the mounting disc (221) and is rotationally connected with the outer surface of the mounting cylinder (225) through a bearing seat.

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