Supercharging device of micro nitrogen making machine

Abstract

The utility model discloses a supercharging device of a miniature nitrogen making machine, and relates to the technical field of nitrogen making machines, the supercharging device comprises a supercharger main body, an air inlet filtering assembly and an air outlet filtering assembly, the left side of the upper part of the supercharger main body is connected with an air inlet pipe, and the air inlet filtering assembly is arranged in the air inlet pipe; the air inlet filter assembly comprises a mounting frame, an air inlet filter screen, a micro motor, a rotating shaft and an anti-blocking scraper blade, an air outlet pipe is connected to the right side of the upper portion of the supercharger body, a connecting pipe is connected to one side of the upper portion of the air outlet pipe through a rotating joint, an exhaust pipe is connected to the other side of the connecting pipe, and the connecting pipe is of an arc-shaped structure. According to the supercharging device of the micro nitrogen making machine, the air inlet filter screen is used for filtering entering air, and the air inlet filter screen is of an inverted funnel-shaped structure, so that the filterable area is increased compared with a plane structure, and the air inlet filter efficiency is improved; the double filtering structure of the air inlet filter screen and the air outlet filter screen can fully prevent subsequent dust from entering the miniature nitrogen making machine to affect nitrogen making.

Description

TECHNICAL FIELD

[0001] The utility model relates to nitrogen making machine technical field, concretely is a kind of booster unit of micro nitrogen making machine. BACKGROUND

[0002] Nitrogen making machine is with air as raw material, with high-quality carbon molecular sieve as adsorbent, using pressure swing adsorption principle (PSA), utilize the molecular sieve full of micropore, selective adsorption is carried out to air, to achieve the purpose of oxygen-nitrogen separation, nitrogen making machine uses in process, air needs to enter nitrogen making machine after being compressed and filtered, thus need to use corresponding booster unit.

[0003] The booster unit of existing micro nitrogen making machine is not convenient for air to be prevented and blocked when being compressed and pressurized, and dust in air will affect the use of subsequent nitrogen making machine.

[0004] Therefore, in view of the above, the existing structure and defects are improved, and a booster unit of micro nitrogen making machine is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of booster unit of micro nitrogen making machine to solve the problems presented in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of booster unit of micro nitrogen making machine, including booster unit main body, intake filter assembly and outlet filter assembly, the upper left side of the booster unit main body is connected with intake pipe, and the inside of intake pipe is installed with intake filter assembly, the intake filter assembly includes installation frame, intake filter screen, micro motor, rotating shaft and anti-blocking scraper, the inside of the installation frame is fixed with intake filter screen, and intake filter screen is inverted funnel-shaped structure, the lower side of the middle part of intake filter screen is installed with micro motor, and the upper side of micro motor is provided with rotating shaft that penetrates intake filter screen, and the outside of rotating shaft is connected with anti-blocking scraper, the upper right side of the booster unit main body is connected with outlet pipe, and the upper side of outlet pipe is connected with connecting pipe by swivel joint, the other side of connecting pipe is connected with exhaust pipe, and connecting pipe is arc-shaped structure, the inside of connecting pipe is installed with outlet filter assembly.

[0007] Further, the lower side of the booster unit main body is fixed with support, and the outside one side of booster unit main body is installed with power motor.

[0008] Further, the outside of intake pipe is fixed with intake connection flange, and the outside of exhaust pipe is fixed with exhaust connection flange.

[0009] Further, the installation frame and the inner wall of intake pipe are bolted, and the lower side of anti-blocking scraper and the upper side of intake filter screen are fitted.

[0010] Further, the middle part of the connecting pipe is connected with a blowdown pipe, and a plugging head is installed below the blowdown pipe.

[0011] Further, the air outlet filtering assembly comprises an air outlet filter screen and a movable shaft, the air outlet filter screen is fixed to the middle part of the inner portion of the connecting pipe, the air outlet filter screen has a circular shape structure, and the middle part of the air outlet filter screen is rotationally provided with the movable shaft.

[0012] Further, the air outlet filtering assembly further comprises a cleaning scraper and a passive bevel gear, the left end of the movable shaft is connected with the cleaning scraper, the inner side surface of the cleaning scraper is in abutment with the left side surface of the air outlet filter screen, and the right end of the movable shaft is fixed with the passive bevel gear.

[0013] Further, the air outlet filtering assembly further comprises a limiting ring, a driving shaft and a driving bevel gear, the inner side of the blowdown pipe is fixed with the limiting ring, the inner portion of the limiting ring is rotationally provided with the driving shaft through a bearing, the top end of the driving shaft is fixed with the driving bevel gear, and the driving bevel gear is rotationally connected with the passive bevel gear.

[0014] The utility model provides a kind of pressure increasing device of micro nitrogen generator, with following beneficial effects:

[0015] The utility model is provided with air inlet filtering assembly, the air inlet pipe of pressure booster main body is used for air inlet, air inlet filter screen is used to filter the gas entering, air inlet filter screen is inverted funnel structure, compared with planar structure, the filtration area can be increased, which is conducive to improving air inlet filtering efficiency, the rotation of anti-blocking scraper is facilitated by micro motor and rotating shaft, so that the surface of air inlet filter screen can be cleaned, and the inner wall of air inlet pipe is connected by bolt, which facilitates the overall disassembly and replacement of air outlet filtering assembly.

[0016] The utility model is provided with air outlet filtering assembly, the air outlet pipe of pressure booster main body is used for the air outlet of air after pressure increasing, the position of connecting pipe and exhaust pipe is adjusted flexibly by the setting of rotary joint, which facilitates the butt joint of exhaust pipe at different positions of micro nitrogen generator, the rotation of driving bevel gear is driven by rotating driving shaft, driving bevel gear and passive bevel gear are meshed, and then the rotation of passive bevel gear, movable shaft and cleaning scraper can be driven, so that the cleaning scraper can clean the filter surface of air outlet filter screen, and convenient blowdown can be carried out through blowdown pipe. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is external three-dimensional structure schematic view of the utility model pressure increasing device of micro nitrogen generator;

[0018] Figure 2 It is air inlet pipe half cut structure schematic view of the utility model pressure increasing device of micro nitrogen generator.

[0019] Figure 3 It is the connection pipe and exhaust pipe half cut structure schematic view of the booster device of the micro nitrogen making machine of the utility model;

[0020] Figure 4 It is the enlarged structure schematic view of the gas outlet filter assembly of the booster device of the micro nitrogen making machine of the utility model.

[0021] In the drawing: 1, booster main body; 2, support; 3, power motor; 4, air inlet pipe; 5, air inlet connection flange; 6, air inlet filter assembly; 601, installation frame; 602, air inlet filter screen; 603, micro motor; 604, rotating shaft; 605, anti-blocking scraper; 7, air outlet pipe; 8, rotary joint; 9, connection pipe; 10, exhaust pipe; 11, exhaust connection flange; 12, blowdown pipe; 13, plugging head; 14, air outlet filter assembly; 1401, air outlet filter screen; 1402, movable shaft; 1403, cleaning scraper; 1404, passive bevel gear; 1405, limiting ring; 1406, driving shaft; 1407, driving bevel gear. DETAILED DESCRIPTION

[0022] The embodiment of the utility model is further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0023] As Figure 1 and Figure 2As shown, a kind of booster of micro nitrogen generator, including booster main body 1, air inlet filter assembly 6 and air outlet filter assembly 14, the left side of booster main body 1 is connected with air inlet pipe 4, and the inside of air inlet pipe 4 is equipped with air inlet filter assembly 6, air inlet filter assembly 6 includes installation frame 601, air inlet filter screen 602, micro motor 603, rotating shaft 604 and anti-blocking scraper 605, the inside of installation frame 601 is fixed with air inlet filter screen 602, and air inlet filter screen 602 is inverted funnel structure, the lower side of the middle part of air inlet filter screen 602 is equipped with micro motor 603, and the upper side of micro motor 603 is provided with rotating shaft 604 penetrating air inlet filter screen 602, and the outside of rotating shaft 604 is connected with anti-blocking scraper 605, installation frame 601 and the inner wall of air inlet pipe 4 are bolted, while the lower side of anti-blocking scraper 605 and the upper side of air inlet filter screen 602 are fitted;Booster main body 1 is centrifugal air compressor, air inlet pipe 4 is used for air intake, air inlet filter screen 602 is used for filtering the gas entering, air inlet filter screen 602 is inverted funnel structure, compared with plane structure, the filterable area can be increased, which is conducive to improving air inlet filtering efficiency, micro motor 603 and rotating shaft 604 facilitate the rotation of anti-blocking scraper 605, so that anti-blocking scraper 605 can clean the surface of air inlet filter screen 602, and installation frame 601 and the inner wall of air inlet pipe 4 are bolted, so that air outlet filter assembly 14 can be easily disassembled and replaced.

[0024] As Figure 1 and Figure 3 As shown, the lower side of booster main body 1 is fixed with support 2, and the outside of booster main body 1 is equipped with power motor 3, the right side of the upper side of booster main body 1 is connected with air outlet pipe 7, and the upper side of air outlet pipe 7 is connected with connecting pipe 9 through rotary joint 8, the other side of connecting pipe 9 is connected with exhaust pipe 10, and connecting pipe 9 is arc structure, the outside of air inlet pipe 4 is fixed with air inlet connecting flange 5, and the outside of exhaust pipe 10 is fixed with exhaust connecting flange 11, the lower side of the middle part of connecting pipe 9 is connected with blowdown pipe 12, and the lower side of blowdown pipe 12 is equipped with plugging head 13;Air outlet pipe 7 of booster main body 1 is used for the air outlet of air after pressurization, the setting of rotary joint 8 facilitates the flexible rotation of connecting pipe 9, exhaust pipe 10 position adjustment, which is convenient for micro nitrogen generator to butt joint exhaust pipe 10 at different positions, the plugging head 13 of blowdown pipe 12 can be opened to facilitate the cleaning of air outlet filter assembly 14 in the middle part of connecting pipe 9, which is more flexible, and the right side of blowdown pipe 12 and connecting pipe 9 are provided with plugging cover, to prevent the air in the inside of connecting pipe 9 after pressurization from flowing through blowdown pipe 12 and bypassing air outlet filter screen 1401.

[0025] As Figure 3 and Figure 4As shown, the inside of the connecting pipe 9 is internally provided with an air outlet filter assembly 14, which comprises an air outlet filter screen 1401 and a movable shaft 1402. The air outlet filter screen 1401 is fixed in the middle of the inside of the connecting pipe 9 and has a circular shape structure. The middle part of the air outlet filter screen 1401 is rotatably provided with the movable shaft 1402. The air outlet filter assembly 14 further comprises a cleaning scraper 1403 and a passive bevel gear 1404. The left end of the movable shaft 1402 is externally connected with the cleaning scraper 1403. The inner side of the cleaning scraper 1403 is in close contact with the left side of the air outlet filter screen 1401. The right end of the movable shaft 1402 is fixed with the passive bevel gear 1404. The air outlet filter assembly 14 further comprises a limiting ring 1405, a driving shaft 1406 and a driving bevel gear 1407. The inside of the exhaust pipe 12 is fixed with the limiting ring 1405. The inside of the limiting ring 1405 is rotatably provided with the driving shaft 1406 through a bearing. The top end of the driving shaft 1406 is fixed with the driving bevel gear 1407. The driving bevel gear 1407 is rotatably connected with the passive bevel gear 1404. The rotation of the driving bevel gear 1407 can be driven by rotating the driving shaft 1406. The driving bevel gear 1407 is meshingly connected with the passive bevel gear 1404, thereby driving the rotation of the passive bevel gear 1404, the movable shaft 1402 and the cleaning scraper 1403. The cleaning scraper 1403 can clean the filter surface of the air outlet filter screen 1401. The exhaust pipe 12 can be used for convenient exhaust. The double filter structure of the air inlet filter screen 602 and the air outlet filter screen 1401 can prevent the subsequent dust from entering the micro nitrogen generator.

[0026] In summary, as Figures 1-4As shown, the booster of the micro nitrogen generator is a centrifugal air compressor, first, the position of the connecting pipe 9 and the exhaust pipe 10 can be flexibly adjusted by rotating the joint 8, so that the micro nitrogen generator can be connected to the exhaust pipe 10 at different positions, when in use, air enters through the air inlet pipe 4, then the inlet filter screen 602 filters the entering air, the rotation of the anti-blocking scraper 605 can be driven by the micro motor 603 and the rotating shaft 604, so that the anti-blocking scraper 605 can clean the surface of the inlet filter screen 602, then the air outlet pipe 7 is used for the air outlet after boosting, at this time, the double filtering structure of the inlet filter screen 602 and the outlet filter screen 1401 can fully prevent the subsequent dust from entering the micro nitrogen generator and affecting the nitrogen production, the outlet filter screen 1401 can be cleaned after a period of use, at this time, the block head 13 of the blow-off pipe 12 can be opened, then the rotation of the driving bevel gear 1407 can be driven by rotating the driving shaft 1406, the driving bevel gear 1407 is meshed with the driven bevel gear 1404, thereby the rotation of the driven bevel gear 1404, the movable shaft 1402 and the cleaning scraper 1403 can be driven, so that the cleaning scraper 1403 can clean the filtering surface of the outlet filter screen 1401, finally, the blow-off pipe 12 can be used for convenient blow-off, in this way, the use process of the booster of the micro nitrogen generator is completed.

[0027] The embodiments of the present application are given for the purpose of example and description, and are not exhaustive or limit the present application to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are chosen and described in order to better explain the principles of the present application and its practical application, and to enable those of ordinary skill in the art to understand the present application so as to design various embodiments with various modifications for specific use.

Claims

1. A supercharging device of a micro nitrogen generator, comprising a supercharger body (1), an air inlet filter assembly (6) and an air outlet filter assembly (14), characterized in that, The left side of the supercharger body (1) is connected with an air inlet pipe (4), and the air inlet pipe (4) is internally provided with an air inlet filtering assembly (6). The air inlet filtering assembly (6) comprises a mounting frame (601), an air inlet filter screen (602), a micro motor (603), a rotating shaft (604) and an anti-blocking scraper (605). The air inlet filter screen (602) is fixedly arranged in the mounting frame (601) and is in an inverted funnel structure. The micro motor (603) is arranged at the lower side of the middle portion of the air inlet filter screen (602). The rotating shaft (604) is arranged at the upper side of the micro motor (603) and penetrates through the air inlet filter screen (602). The anti-blocking scraper (605) is connected with the outer portion of the rotating shaft (604). The right side of the supercharger body (1) is connected with an air outlet pipe (7). The upper side of the air outlet pipe (7) is connected with a connecting pipe (9) through a rotary joint (8). The other side of the connecting pipe (9) is connected with an exhaust pipe (10). The connecting pipe (9) is in an arc structure. The connecting pipe (9) is internally provided with an air outlet filtering assembly (14).

2. The pressure boosting device of a micro nitrogen generator according to claim 1, wherein The lower side of the supercharger body (1) is fixedly provided with a support (2), and the outer side of the supercharger body (1) is provided with a power motor (3).

3. The pressure boosting device of a micro nitrogen generator according to claim 1, wherein The outer side of the air inlet pipe (4) is fixedly provided with an air inlet connecting flange (5), and the outer side of the exhaust pipe (10) is fixedly provided with an exhaust connecting flange (11).

4. The pressure boosting device of a micro nitrogen generator according to claim 1, wherein The mounting frame (601) and the inner wall of the air inlet pipe (4) are connected through bolts. The lower side of the anti-blocking scraper (605) is in abutment with the upper side of the air inlet filter screen (602).

5. The pressure boosting device of a micro nitrogen generator according to claim 1, wherein The middle lower side of the connecting pipe (9) is connected with a blowdown pipe (12), and the lower side of the blowdown pipe (12) is provided with a plugging head (13).

6. The pressure boosting device of a micro nitrogen generator according to claim 5, wherein The air outlet filtering assembly (14) comprises an air outlet filter screen (1401) and a movable shaft (1402). The air outlet filter screen (1401) is fixedly arranged in the middle portion of the inner portion of the connecting pipe (9) and is in a circular structure. The middle portion of the air outlet filter screen (1401) is rotatably provided with the movable shaft (1402).

7. The pressure boosting device of a micro nitrogen generator according to claim 6, wherein The air outlet filtering assembly (14) further comprises a cleaning scraper (1403) and a passive bevel gear (1404). The left end of the movable shaft (1402) is connected with the cleaning scraper (1403). The inner side of the cleaning scraper (1403) is in abutment with the left side of the air outlet filter screen (1401). The right end of the movable shaft (1402) is fixedly provided with the passive bevel gear (1404).

8. The pressure boosting device of a micro nitrogen generator according to claim 7, wherein The air outlet filtering assembly (14) further comprises a limiting ring (1405), a driving shaft (1406) and a driving bevel gear (1407). The inner side of the blowdown pipe (12) is fixedly provided with the limiting ring (1405). The inner portion of the limiting ring (1405) is rotatably provided with the driving shaft (1406) through a bearing. The top end of the driving shaft (1406) is fixedly provided with the driving bevel gear (1407). The driving bevel gear (1407) is rotatably connected with the passive bevel gear (1404).

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