Output head structure of nitrogen blowing concentrator

Abstract

The utility model relates to an output head structure of a nitrogen blowing instrument, and relates to the field of nitrogen blowing instruments. The device comprises a bottom box, a processing box is fixedly installed on the upper end face of the bottom box, a placing table is installed in the processing box, a supporting frame is vertically installed on the upper end face of the placing table, a plurality of output pipes are evenly installed at the edge position of the supporting frame, and the upper end face of the supporting frame is sleeved with a limiting disc for limiting the output pipes. The supporting frame is vertically installed on the placing table, and the supporting frame is designed to be of a structure that the vertical rods are matched with the horizontal discs, so that the output pipe can be stably installed through the limiting clamping grooves in the horizontal discs during use, and it is guaranteed that the output pipe can be stably and rapidly disassembled and assembled; the limiting disc is arranged to be easily arranged on the output pipe in a sleeving mode for locking, and meanwhile the corrosion-resistant rubber pipe is installed at the lower end of the output pipe to replace a traditional metal needle head.

Description

Technical Field

[0001] The present application relates to the technical field of nitrogen blowdown instruments, and in particular to an output head structure of a nitrogen blowdown instrument. Background Art

[0002] A nitrogen blowdown instrument is a device that blows nitrogen rapidly, continuously and controllably into the surface of a heated or unheated sample to rapidly evaporate and separate the solvent in the sample, thereby achieving the goal of oxygen-free concentration of the sample.

[0003] The existing Chinese patent with the announcement number CN204758370U discloses a nitrogen blowdown instrument, including a base and a gas supply rack arranged at the upper end of the base; the gas supply rack is provided with multiple blowdown needles and a gas supply device for supplying nitrogen to the blowdown needles; the base is provided with a sample platform, a longitudinal moving pair for driving the sample platform to move longitudinally, and a transverse moving pair for driving the sample platform to move transversely perpendicular to the arrangement direction of the blowdown needles; a sample slot is provided on the upper end surface of the sample platform, and a removable test tube box is provided in the sample slot.

[0004] Regarding the above-mentioned related technologies, it is found that the blowing needles used in existing nitrogen blowdown instruments mostly use metal needles, which are easily corroded and oxidized after long-term use, resulting in the need to frequently replace the output needles. Moreover, once the metal needles are corroded, the threaded connection position is difficult to disassemble, which makes maintenance difficult. Utility Model Content

[0005] In order to facilitate disassembly and increase the durability of the needle, the present application provides an output head structure of a nitrogen blowdown instrument.

[0006] The output head structure of the nitrogen blowdown instrument provided in this application adopts the following technical solution:

[0007] An output head structure of a nitrogen blowdown instrument comprises a bottom box, a processing box is fixedly mounted on the upper end surface of the bottom box, a placement table is mounted in the processing box, a support frame is vertically mounted on the upper end surface of the placement table, a plurality of output pipes are evenly mounted at the edge of the support frame, and a limit plate for limiting the output pipes is sleeved on the upper end surface of the support frame, a main air supply pipe is fixedly mounted at the center of the upper end surface of the support frame, a plurality of connecting pipe groups connected to the output pipes are provided on the main air supply pipe, and a corrosion-resistant rubber hose is sleeved and fixed on the lower end of the output pipe.

[0008] By adopting the above technical solution, the bottom box is set up to facilitate the equipment to be stably placed on the ground for use. At the same time, by installing the processing box on the upper end of the bottom box, it is easy to install the placement table through the processing box, ensuring that the test tube can be placed on the placement table during processing. By vertically installing the support frame on the upper end face of the placement table, it is easy to install a number of output tubes through the support frame. After the output tube is vertically installed on the support frame, the output tube can be limited and fixed by installing a limit plate to ensure the stability of the output tube during use. The main air supply pipe is fixed at the center of the upper end face of the support frame, so that the main air supply pipe can be connected to the output pipe by installing a number of connecting pipe groups on the main air supply pipe. When the main air supply pipe is connected to the external air supply equipment, the output pipe can be stably supplied with air for use. At the same time, by fixing the corrosion-resistant rubber hose on the lower end of the output pipe, the corrosion-resistant rubber hose can be easily used to replace the traditional metal needle for blowing.

[0009] Optionally, the placement table includes a table shell, a tray shell and a placement tray, the table shell is fixedly installed on the inner side of the bottom surface of the table shell, the tray shell is fixedly installed on the upper end surface of the table shell, and the placement tray is fixedly installed in the tray shell.

[0010] By adopting the above technical solution, the structure of the placement table is set to ensure that the table shell can support the installation disk shell when in use, and the placement disk is fixedly installed in the disk shell, which makes it easy to place the sample to be processed on the placement disk, ensuring that the sample to be processed is used in conjunction with the upper corrosion-resistant hose.

[0011] Optionally, a plurality of test tube slots are evenly arranged on the placement tray along the circumferential direction, and a nut seat for mounting the support frame is provided at the center of the upper end surface of the placement tray, and the nut seat is fixedly connected to the placement tray.

[0012] By adopting the above technical solution, a number of test tube slots are opened on the placement tray, and the samples to be processed can be placed through the test tube slots when it is easy to use. At the same time, the nut seat is fixedly installed at the center of the upper end surface of the placement tray, so that the support frame can be stably installed through the nut seat when it is convenient to use, ensuring that the support frame is vertically fixed on the placement tray for use.

[0013] Optionally, the support frame includes a vertical rod and a horizontal plate, the vertical rod is vertically installed in the nut seat, and the vertical rod is threadedly connected to the nut seat, and the horizontal plate is installed on the head of the vertical rod, and the horizontal plate is fixedly connected to the vertical rod.

[0014] By adopting the above technical solution, the structural setting of the support frame ensures that the horizontal plate can be stably supported by the vertical rod when in use, and the vertical rod can be fixedly installed on the nut seat by thread when easy to use. The threaded connection method not only ensures stable installation, but also facilitates disassembly and assembly operations. The output pipe is installed through the setting of the horizontal plate, and it is easy to install the corrosion-resistant hose through the output pipe for blowing processing operations.

[0015] Optionally, the output pipe includes a top pipe and a down pipe, the top pipe is mounted on the horizontal plate, the down pipe is arranged on the lower end surface of the top pipe, and the down pipe is sealed and fixed to the top pipe.

[0016] By adopting the above technical solution, the structure of the output pipe is set to ensure that the lower pipe can be installed through the top pipe when in use, and after being fixedly installed at the lower end of the top pipe through the lower pipe, it can be clamped and installed on the horizontal plate through the top pipe for use. In this way, the corrosion-resistant hose can be installed through the lower pipe for use.

[0017] Optionally, a limit slot for installing the top pipe is provided on the outer side surface of the horizontal plate, and a sleeve hole is provided on the limit plate to be sleeved on the top pipe.

[0018] By adopting the above technical solution, a limiting slot is opened on the outer side of the horizontal plate, and the top pipe can be installed through the limiting slot when it is easy to use. An annular groove corresponding to the limiting slot is opened on the outer side of the top pipe, which makes it easy to limit the installation and use.

[0019] Optionally, the main air supply pipe includes a tube and an external pipe joint, the external pipe joint is installed at the head of the tube, and the external pipe joint and the tube are integrally formed.

[0020] By adopting the above technical solution, the structure of the main air supply pipe is set to ensure that several connecting pipe groups can be installed through the pipe tube, and one end of the several connecting pipe groups is evenly connected to the pipe tube along the circumferential direction. By setting an external pipe joint on the pipe tube, it is possible to connect with the external air supply equipment through the external pipe joint to achieve stable air supply.

[0021] Optionally, the connecting pipe group includes a hose portion and a mating plug, one end of the hose portion is sealed with the tube, the mating plug is fixedly installed at the other end of the hose portion, and the mating plug is plugged and fixed with the top pipe.

[0022] By adopting the above technical solution, the structure of the connecting pipe group is set to ensure that the hose part can be installed on the tube of the main air supply pipe during use, and then it can be stably installed on the top pipe of the output pipe through the matching plug, thereby realizing a stable connection between the main air supply pipe and the output pipe.

[0023] In summary, the present application includes at least one of the following beneficial technical effects: the present application vertically installs the support frame on the placement table, and designs the support frame into a structure in which a vertical rod and a horizontal plate cooperate, so that when it is easy to use, the output tube can be stably installed through the limit slot on the horizontal plate, ensuring that the output tube can be stably and quickly disassembled and assembled, and the setting of the limit plate makes it easy to put on the output tube and lock it. At the same time, by installing a corrosion-resistant rubber hose at the lower end of the output tube to replace the traditional metal needle, it is ensured that oxidation corrosion will not occur during use, thereby increasing the service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a three-dimensional diagram of the overall structure in the embodiment of the present application.

[0025] Figure 2 yes Figure 1 Front view of the device shown.

[0026] Figure 3 yes Figure 1 Schematic diagram of the exploded structure of the device shown without the corrosion-resistant hose installed.

[0027] Figure 4 yes Figure 3 Front view of the device shown.

[0028] Figure 5 It is a three-dimensional diagram of the connecting pipe group in the embodiment of the present application.

[0029] Explanation of the accompanying reference numerals: 1. Base box; 2. Processing box; 3. Placement table; 31. Table shell; 32. Plate shell; 33. Placement plate; 331. Test tube slot; 332. Nut seat; 4. Support frame; 41. Vertical rod; 42. Horizontal plate; 421. Limiting slot; 5. Output pipe; 51. Top pipe; 52. Lower pipe; 6. Limiting plate; 61. Hole; 7. Main air supply pipe; 71. Tube; 72. External pipe joint; 8. Connecting pipe group; 81. Hose part; 82. Mating plug; 9. Corrosion-resistant hose. DETAILED DESCRIPTION

[0030] The present application is further described in detail below with reference to the accompanying drawings.

[0031] The embodiment of the present application discloses an output head structure of a nitrogen blowdown instrument. Figure 1 、 Figure 2 and Figure 3As shown, an output head structure of a nitrogen blowdown instrument includes a bottom box 1, a processing box 2 is fixedly installed on the upper end surface of the bottom box 1, a placing table 3 is installed in the processing box 2, a support frame 4 is vertically installed on the upper end surface of the placing table 3, a plurality of output pipes 5 are evenly installed on the edge position of the support frame 4, and a limit plate 6 for limiting the output pipe 5 is installed on the upper end surface of the support frame 4, a main air supply pipe 7 is fixedly installed at the center of the upper end surface of the support frame 4, a plurality of connecting pipe groups 8 connected to the output pipe 5 are provided on the main air supply pipe 7, and a corrosion-resistant rubber hose 9 is fixed on the lower end of the output pipe 5. The setting of the bottom box 1 makes it convenient to place the equipment stably on the ground for use. At the same time, by installing the processing box 2 at the upper end of the bottom box 1, it is easy to install the placement table 3 through the processing box 2, ensuring that the test tube can be placed on the placement table 3 during processing. By vertically installing the support frame 4 on the upper end face of the placement table 3, it is easy to install several output tubes 5 through the support frame 4. After the output tube 5 is vertically installed on the support frame 4, the output tube 5 can be limited and fixed by sleeved with a limit plate 6 to ensure the stability of the output tube 5 during use. And by fixing the main air supply pipe 7 at the center of the upper end face of the support frame 4, it can be connected to the output pipe 5 by installing several connecting pipe groups 8 on the main air supply pipe 7. When the main air supply pipe 7 is connected to the external air supply equipment, the output pipe 5 can be stably supplied with air for use. At the same time, by sleeved and fixed with a corrosion-resistant rubber hose 9 at the lower end of the output pipe 5, it is easy to use the corrosion-resistant rubber hose 9 instead of the traditional metal needle for blowing.

[0032] Reference Figure 4 As shown, the placement table 3 includes a table shell 31, a tray shell 32 and a placement tray 33. The table shell 31 is fixedly mounted on the inner side of the bottom surface of the table shell 31, the tray shell 32 is fixedly mounted on the upper end surface of the table shell 31, and the placement tray 33 is fixedly mounted in the tray shell 32. The structural setting of the placement table 3 ensures that the tray shell 32 can be supported and installed by the table shell 31 when in use, and the placement tray 33 is fixedly installed in the tray shell 32, so that it is easy to place the samples to be processed on the placement tray 33, ensuring that the samples to be processed are used in conjunction with the upper corrosion-resistant hose 9. A number of test tube grooves 331 are evenly arranged on the placement tray 33 along the circumferential direction, and a nut seat 332 for mounting the support frame 4 is provided at the center of the upper end surface of the placement tray 33. The nut seat 332 is fixedly connected to the placement tray 33. By providing a number of test tube slots 331 on the placement tray 33, the samples to be processed can be placed through the test tube slots 331 when it is easy to use. At the same time, by fixing the nut seat 332 at the center of the upper end surface of the placement tray 33, the support frame 4 can be stably installed through the nut seat 332 when it is convenient to use, ensuring that the support frame 4 is vertically fixed on the placement tray 33 for use.

[0033] Reference Figure 4As shown, the support frame 4 includes a vertical rod 41 and a horizontal plate 42. The vertical rod 41 is vertically installed in the nut seat 332 and is threadedly connected to the nut seat 332. The horizontal plate 42 is installed at the head of the vertical rod 41 and is fixedly connected to the vertical rod 41. The structural setting of the support frame 4 ensures that the horizontal plate 42 can be stably supported by the vertical rod 41 when in use. When easy to use, the vertical rod 41 can be fixedly installed on the nut seat 332 through threads. The threaded connection not only ensures stable installation, but also facilitates disassembly and assembly operations. The output pipe 5 can be installed through the setting of the horizontal plate 42, and the corrosion-resistant hose 9 can be easily installed through the output pipe 5 for blowing processing.

[0034] Reference Figure 4 As shown, the output pipe 5 includes a top pipe 51 and a bottom pipe 52. The top pipe 51 is mounted on the horizontal plate 42, while the bottom pipe 52 is located at the lower end of the top pipe 51 and is sealed and fixed to the top pipe 51. The structural design of the output pipe 5 ensures that the bottom pipe 52 can be installed through the top pipe 51 during use. After the bottom pipe 52 is fixed to the lower end of the top pipe 51, it can be mounted on the horizontal plate 42 through the top pipe 51. In this way, the corrosion-resistant hose 9 can be installed through the bottom pipe 52 for use. The outer surface of the horizontal plate 42 is provided with a limit slot 421 for installing the top pipe 51, and the limit plate 6 is provided with a sleeve hole 61 that is mounted on the top pipe 51. The limit slot 421 on the outer surface of the horizontal plate 42 allows the top pipe 51 to be easily installed through the limit slot 421 during use. The outer surface of the top pipe 51 is provided with an annular groove corresponding to the limit slot 421, thereby facilitating the fixed installation.

[0035] Reference Figure 3 As shown, the main air supply pipe 7 includes a tube 71 and an external pipe connector 72. The external pipe connector 72 is installed at the head of the tube 71 and is integrally formed with the tube 71. The structural arrangement of the main air supply pipe 7 ensures that a plurality of connecting pipe groups 8 can be installed through the tube 71. One end of the plurality of connecting pipe groups 8 is evenly connected to the tube 71 along the circumferential direction. By providing the external pipe connector 72 on the tube 71, the external pipe connector 72 can be connected to an external air supply device to achieve stable air supply.

[0036] Reference Figure 5As shown, the connecting pipe assembly 8 includes a hose portion 81 and a mating plug 82. One end of the hose portion 81 is sealed with the tube 71, and the mating plug 82 is fixedly mounted on the other end of the hose portion 81. The mating plug 82 is plugged and fixed to the top pipe 51. The structural arrangement of the connecting pipe assembly 8 ensures that when in use, the hose portion 81 can be installed on the tube 71 of the main air supply pipe 7 and then stably mounted on the top pipe 51 of the output pipe 5 through the mating plug 82, thereby achieving a stable connection between the main air supply pipe 7 and the output pipe 5.

[0037] The implementation principle of the output head structure of a nitrogen blowdown instrument in an embodiment of the present application is as follows: during actual processing, the product to be processed is stably inserted and installed in the test tube slot 331 of the placement plate 33, and then the output tube 5 is installed in the limit slot 421 of the horizontal plate 42 in sequence, and then the limit plate 6 is sleeved on the output tube 5 for limiting, and then the main air supply pipe 7 and the output tube 5 are connected to each other through the connecting pipe group 8, and finally the corrosion-resistant hose 9 is stably installed at the lower end of the output tube 5, so that the nitrogen pump can be connected through the external pipe connector 72 to realize rapid, continuous and controllable blowing of nitrogen into the surface of the product to be processed.

[0038] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. An output head structure of a nitrogen blowdown instrument, comprising a bottom box (1), characterized in that: A processing box (2) is fixedly mounted on the upper end surface of the bottom box (1), a placing table (3) is mounted in the processing box (2), a support frame (4) is vertically mounted on the upper end surface of the placing table (3), a plurality of output pipes (5) are evenly mounted on the edge of the support frame (4), and a limiting plate (6) for limiting the output pipe (5) is sleeved on the upper end surface of the support frame (4), a main air supply pipe (7) is fixedly mounted at the center of the upper end surface of the support frame (4), a plurality of connecting pipe groups (8) connected to the output pipe (5) are arranged on the main air supply pipe (7), and a corrosion-resistant rubber hose (9) is sleeved and fixed on the lower end of the output pipe (5).

2. The output head structure of a nitrogen blowdown instrument according to claim 1, characterized in that: The placement table (3) comprises a table shell (31), a tray shell (32) and a placement tray (33); the table shell (31) is fixedly mounted on the inner side of the bottom surface of the table shell (31); the tray shell (32) is fixedly mounted on the upper end surface of the table shell (31); and the placement tray (33) is fixedly mounted in the tray shell (32).

3. The output head structure of a nitrogen blowdown instrument according to claim 2, characterized in that: A plurality of test tube slots (331) are evenly arranged on the placement plate (33) along the circumferential direction, and a nut seat (332) for mounting the support frame (4) is provided at the center of the upper end surface of the placement plate (33), and the nut seat (332) is fixedly connected to the placement plate (33).

4. The output head structure of a nitrogen blowdown instrument according to claim 3, characterized in that: The support frame (4) comprises a vertical rod (41) and a horizontal plate (42), wherein the vertical rod (41) is vertically mounted in the nut seat (332), and the vertical rod (41) is threadedly connected to the nut seat (332), and the horizontal plate (42) is mounted on the head of the vertical rod (41), and the horizontal plate (42) is fixedly connected to the vertical rod (41).

5. The output head structure of a nitrogen blowdown instrument according to claim 4, characterized in that: The output pipe (5) comprises a top pipe (51) and a bottom pipe (52), wherein the top pipe (51) is mounted on the horizontal plate (42) in a snap-fit ​​manner, and the bottom pipe (52) is arranged on the lower end surface of the top pipe (51), and the bottom pipe (52) and the top pipe (51) are sealed and fixed.

6. The output head structure of the nitrogen blowdown instrument according to claim 5, characterized in that: A limiting slot (421) for mounting the top pipe (51) is provided on the outer surface of the horizontal plate (42), and a sleeve hole (61) sleeved on the top pipe (51) is provided on the limiting plate (6).

7. The output head structure of the nitrogen blowdown instrument according to claim 6, characterized in that: The main air supply pipe (7) comprises a tube (71) and an external pipe connector (72); the external pipe connector (72) is mounted on the head of the tube (71), and the external pipe connector (72) and the tube (71) are integrally formed.

8. The output head structure of the nitrogen blowdown instrument according to claim 7, characterized in that: The connecting pipe assembly (8) comprises a hose portion (81) and a matching plug (82), wherein one end of the hose portion (81) is sealedly connected to the tube (71), and the matching plug (82) is fixedly mounted on the other end of the hose portion (81), and the matching plug (82) is plugged and fixed to the top pipe (51).

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