Nitrogen making machine convenient for replacing molecular sieve
By introducing fixing, lifting, and cleaning mechanisms into the nitrogen generator, the replacement and cleaning of molecular sieves are simplified, solving the problems of time-consuming processes and safety hazards in traditional nitrogen generators, and achieving efficient and safe molecular sieve maintenance.
Patent Information
- Application Number
- CN202520340382.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-02-28
AI Technical Summary
Traditional nitrogen generators are time-consuming, complex to operate, and pose safety hazards during molecular sieve replacement and maintenance.
By employing a fixing mechanism, a lifting mechanism, a rotating mechanism, and a cleaning mechanism, the process of replacing and cleaning molecular sieves is simplified, avoiding the need to disassemble bolts and nuts and work at height.
It improves the efficiency of molecular sieve replacement and cleaning, reduces the difficulty of operation, prevents safety hazards, and ensures the sealing of the equipment.
Smart Images
Figure CN223901533U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to nitrogen making machine technical field especially relates to a nitrogen making machine convenient to replace molecular sieve. BACKGROUND
[0002] The nitrogen making machine is a kind of equipment for producing nitrogen, and is commonly used in industry, laboratory, medical treatment and other fields.Nitrogen is widely used in chemical industry, medicine, food packaging, electronic manufacturing and other fields as an important industrial gas.The nitrogen making machine is widely used due to its high efficiency and economy.The core component of the nitrogen making machine is molecular sieve, which separates and purifies nitrogen by the different adsorption capacity of oxygen and nitrogen in air.The conventional nitrogen making machine has some deficiencies in the replacement and maintenance of molecular sieve, and therefore needs a nitrogen making machine convenient to replace molecular sieve.
[0003] The conventional nitrogen making machine is fixed by multiple bolts and nuts between adsorption cylinder and cylinder cover.When the molecular sieve inside the nitrogen making machine needs to be replaced, the multiple bolts and nuts need to be removed one by one, and after replacement, the multiple bolts and nuts need to be installed one by one.This operation mode needs to consume more time and reduces work efficiency.In addition, when the old molecular sieve is cleaned, the operator usually needs to clean from the port between adsorption cylinder and cylinder cover.As the adsorption cylinder is usually located at a high position, and the cleaning process needs to be assisted by climbing ladder and other tools for climbing operation, which not only increases the operation difficulty, but also causes safety hazard. UTILITY MODEL CONTENT
[0004] The utility model aims at solving the shortcomings in prior art, and provides a nitrogen making machine convenient to replace molecular sieve.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] The application discloses a nitrogen generator with replaceable molecular sieve, which comprises a base, an adsorption cylinder of the nitrogen generator is arranged on the top of the base, a supporting frame is fixed on the outer wall of the adsorption cylinder of the nitrogen generator and the supporting frame is fixed on the base, a cylinder cover is arranged on the top of the adsorption cylinder of the nitrogen generator, a plurality of fixing mechanisms for fixing the cylinder cover are arranged on the outer wall of the adsorption cylinder of the nitrogen generator in a circular manner at equal intervals, a sealing mechanism for sealing the adsorption cylinder of the nitrogen generator and the cylinder cover is arranged on the bottom of the cylinder cover, a connecting plate is fixed on the inner wall of the adsorption cylinder of the nitrogen generator, a rotating shaft is arranged through the top of the connecting plate, a rotating mechanism for rotating the rotating shaft is arranged on the top of the cylinder cover, a fourth annular plate is sleeved on the side wall of the rotating shaft, a third annular plate is sleeved on the outer wall of the fourth annular plate, a molecular sieve is fixed on the inner wall of the third annular plate and the molecular sieve is fixed on the fourth annular plate, a lifting mechanism for lifting the third annular plate is arranged on the inner wall of the adsorption cylinder of the nitrogen generator, a first cleaning mechanism for cleaning the molecular sieve is arranged in the adsorption cylinder of the nitrogen generator, and a second cleaning mechanism for cleaning the inner wall of the adsorption cylinder of the nitrogen generator is arranged in the adsorption cylinder of the nitrogen generator, in the use process of the device, the replacement of the molecular sieve is simple due to the design of the fixing mechanism and the lifting mechanism, the operation of disassembling a plurality of bolts and nuts is not needed in the process, more time is saved, the work efficiency is improved, the rotating shaft is rotated by the rotating mechanism, the first cleaning mechanism and the second cleaning mechanism are matched to clean the inner wall of the adsorption cylinder of the nitrogen generator and the molecular sieve respectively, workers do not need to use a ladder or other tools to perform high-altitude operation, the operation difficulty is reduced, and the safety hidden danger is prevented.
[0007] Preferably, the sealing mechanism comprises an annular seat fixed to the bottom of the cylinder cover, an annular groove is formed in the bottom of the annular seat, a sealing ring is sleeved on the side wall of the annular groove, the fixing mechanism comprises a U-shaped plate fixed to the outer side wall of the nitrogen generator adsorption cylinder, an L-shaped plate is rotatably connected to the inner side wall of the nitrogen generator adsorption cylinder, a sliding groove is formed in the inner top of the L-shaped plate, a limiting block is slidably connected to the inner side wall of the sliding groove, a sliding rod is fixed to the top of the limiting block, one end of the sliding rod penetrates through the top of the L-shaped plate, a second spring is sleeved on the side wall of the sliding rod and located inside the sliding groove, a limiting groove is formed in the top of the cylinder cover, and the limiting block and the limiting groove are matched, when the cylinder cover is closed, the top of the nitrogen generator adsorption cylinder is located inside the annular groove, the sealing ring seals the gap between the annular groove and the nitrogen generator adsorption cylinder, and the two protrusions are located inside the two grooves, at this time, part of the annular seat is located inside the nitrogen generator adsorption cylinder and in contact with the top of the third annular plate, at this time, the third annular plate extrudes the second annular plate downward, so that the plurality of first springs are in a compressed state, the plurality of sliding rods are pulled to move, so that the plurality of limiting blocks move upward along the inner side wall of the plurality of sliding grooves, respectively, until the plurality of limiting blocks are located inside the plurality of sliding grooves, respectively, at this time, the plurality of second springs are in a compressed state, and the plurality of L-shaped plates are rotated, so that the plurality of sliding grooves are in a coincident state with the plurality of limiting grooves, respectively, the plurality of sliding rods are loosened, and the plurality of limiting blocks are pushed to move reversely under the reaction of the plurality of compressed second springs, until the plurality of limiting blocks are located inside the plurality of limiting grooves, respectively, that is, the fixing of the nitrogen generator adsorption cylinder and the cylinder cover is completed.
[0008] Preferably, the lifting mechanism comprises a first annular plate fixed to the inner side wall of the nitrogen generator adsorption cylinder, a second annular plate is arranged on the top of the first annular plate, and the second annular plate is located below the third annular plate, a plurality of guide rods are fixed to the bottom of the second annular plate at equal distances, and one end of each of the plurality of guide rods penetrates through the bottom of the first annular plate, a first spring is sleeved on the side wall of each of the plurality of guide rods, and both ends of the first spring are fixed to the first annular plate and the second annular plate, respectively, when it is necessary to replace the molecular sieve, the plurality of sliding rods are pulled again, so that the plurality of limiting blocks are separated from the plurality of limiting grooves, respectively, and the plurality of L-shaped plates are rotated, so that the plurality of L-shaped plates are separated from the top of the cylinder cover, respectively, that is, the fixing of the nitrogen generator adsorption cylinder and the cylinder cover is released, then the cylinder cover and the annular seat are taken out from the top of the nitrogen generator adsorption cylinder, at this time, the second annular plate is pushed to move upward under the reaction of the plurality of compressed first springs, and the third annular plate is driven to move upward, so that the third annular plate can be taken out from the nitrogen generator adsorption cylinder, the third annular plate, the molecular sieve and the fourth annular plate can be taken out from the side wall of the rotating shaft as a whole, without the need to disassemble the plurality of bolts and nuts, which saves time and improves work efficiency.
[0009] Preferably, the rotating mechanism comprises a disc, the disc is rotationally connected to the middle of the bottom of the cylinder cover, two protrusions are symmetrically fixed on the bottom of the disc, two recesses are formed on the top end of the rotating shaft, and the two recesses are matched with the two protrusions respectively, a motor is fixed on the top of the cylinder cover, and the output shaft of the motor is fixed with the disc, the first cleaning mechanism comprises two cleaning brushes, the two cleaning brushes are symmetrically fixed on the side wall of the rotating shaft, and the two cleaning brushes are located below the molecular sieve, the second cleaning mechanism comprises two arc-shaped plates, the two arc-shaped plates are symmetrically arranged on the inner side wall of the nitrogen making machine adsorption cylinder, and the two arc-shaped plates are matched with the nitrogen making machine adsorption cylinder, two connecting rods are fixed on the inner side wall of each of the two arc-shaped plates, and the four connecting rods are fixed with the rotating shaft, when the molecular sieve needs to be cleaned, the disc is driven to rotate by the motor, thereby driving the two protrusions to rotate, the rotating shaft is driven to rotate by matching the two recesses, the two cleaning brushes are driven to rotate by the rotating shaft, and the bottom of the molecular sieve is cleaned, at the same time, the two arc-shaped plates are driven to rotate by matching the four connecting rods, thereby the inner side wall of the nitrogen making machine adsorption cylinder can be cleaned, workers do not need to use ladders and other tools to climb, the operation difficulty is reduced, and safety hazards are prevented.
[0010] Preferably, the rotating mechanism comprises a disc, the disc is rotationally connected to the middle of the bottom of the cylinder cover, two protrusions are symmetrically fixed on the bottom of the disc, two recesses are formed on the top end of the rotating shaft, and the two recesses are matched with the two protrusions respectively, a motor is fixed on the top of the cylinder cover, and the output shaft of the motor is fixed with the disc, the first cleaning mechanism comprises two cleaning brushes, the two cleaning brushes are symmetrically fixed on the side wall of the rotating shaft, and the two cleaning brushes are located below the molecular sieve, the second cleaning mechanism comprises two arc-shaped plates, the two arc-shaped plates are symmetrically arranged on the inner side wall of the nitrogen making machine adsorption cylinder, and the two arc-shaped plates are matched with the nitrogen making machine adsorption cylinder, two connecting rods are fixed on the inner side wall of each of the two arc-shaped plates, and the four connecting rods are fixed with the rotating shaft, when the molecular sieve needs to be cleaned, the disc is driven to rotate by the motor, thereby driving the two protrusions to rotate, the rotating shaft is driven to rotate by matching the two recesses, the two cleaning brushes are driven to rotate by the rotating shaft, and the bottom of the molecular sieve is cleaned, at the same time, the two arc-shaped plates are driven to rotate by matching the four connecting rods, thereby the inner side wall of the nitrogen making machine adsorption cylinder can be cleaned, workers do not need to use ladders and other tools to climb, the operation difficulty is reduced, and safety hazards are prevented.
[0011] The device has the advantages that:
[0012] 1. The device is simple to replace the molecular sieve during use, and the operation is not required to be performed by disassembling a plurality of bolts and nuts, so that time is saved and work efficiency is improved.
[0013] 2. The rotating shaft is driven to rotate by the rotating mechanism, and the inner side wall of the molecular sieve and the nitrogen making machine adsorption cylinder is cleaned by the first cleaning mechanism and the second cleaning mechanism respectively, so that workers do not need to use ladders and other tools to climb, the operation difficulty is reduced, and safety hazards are prevented.
[0014] 3. The gap between the nitrogen making machine adsorption cylinder and the cylinder cover is effectively sealed by the sealing mechanism, so that the working performance of the equipment is improved. DRAWINGS
[0015] Figure 1The utility model provides a structure schematic drawing of nitrogen making machine convenient to replace molecular sieve.
[0016] Figure 2 The utility model provides a nitrogen making machine adsorption cylinder, cylinder cover and annular seat section view schematic drawing of nitrogen making machine convenient to replace molecular sieve of the utility model.
[0017] Figure 3 The utility model provides a second annular board, third annular board, molecular sieve and fourth annular board explosion schematic drawing of nitrogen making machine convenient to replace molecular sieve of the utility model.
[0018] Figure 4 The utility model provides a first cleaning mechanism and second cleaning mechanism schematic drawing of nitrogen making machine convenient to replace molecular sieve of the utility model.
[0019] Figure 5 The utility model provides a cylinder cover, annular seat and sealing ring explosion schematic drawing of nitrogen making machine convenient to replace molecular sieve of the utility model.
[0020] Figure 6 The utility model provides a L-shaped board section view development schematic drawing of nitrogen making machine convenient to replace molecular sieve of the utility model.
[0021] In the drawing: 1, base; 2, support frame; 3, nitrogen making machine adsorption cylinder; 4, cylinder cover; 5, motor; 6, air outlet pipe; 7, valve; 8, mounting plate; 9, air compressor; 10, discharge port; 11, annular seat; 12, L-shaped board; 13, rotating shaft; 14, connecting rod; 15, arc plate; 16, connecting plate; 17, first annular board; 18, second annular board; 19, third annular board; 20, molecular sieve; 21, fourth annular board; 22, guide rod; 23, first spring; 24, cleaning brush; 25, recess; 26, annular recess; 27, sealing ring; 28, disc; 29, protruding block; 30, U-shaped board; 31, limiting groove; 32, sliding groove; 33, limiting block; 34, sliding rod; 35, second spring. DETAILED DESCRIPTION
[0022] The technical scheme in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0023] REFERENCE Figure 1 - Figure 6The application discloses a nitrogen generator with replaceable molecular sieve, which comprises a base 1, wherein the top of the base 1 is provided with a nitrogen generator adsorption cylinder 3, the outer side wall of the nitrogen generator adsorption cylinder 3 is fixedly provided with a support frame 2, the support frame 2 and the base 1 are fixed, the top of the nitrogen generator adsorption cylinder 3 is provided with a cylinder cover 4, a plurality of fixing mechanisms for fixing the cylinder cover 4 are arranged on the outer side wall of the nitrogen generator adsorption cylinder 3 at equal distances in a circular shape, the bottom of the cylinder cover 4 is provided with a sealing mechanism for sealing the nitrogen generator adsorption cylinder 3 and the cylinder cover 4, the inner side wall of the nitrogen generator adsorption cylinder 3 is fixedly provided with a connecting plate 16, the top of the connecting plate 16 is through-provided with a rotating shaft 13, the top of the cylinder cover 4 is provided with a rotating mechanism for rotating the rotating shaft 13, the side wall of the rotating shaft 13 is sleeved with a fourth annular plate 21, the outer side wall of the fourth annular plate 21 is sleeved with a third annular plate 19, the inner side wall of the third annular plate 19 is fixedly provided with a molecular sieve 20, the molecular sieve 20 and the fourth annular plate 21 are fixed, the inner side wall of the nitrogen generator adsorption cylinder 3 is provided with a lifting mechanism for lifting the third annular plate 19, the inside of the nitrogen generator adsorption cylinder 3 is provided with a first cleaning mechanism for cleaning the molecular sieve 20, the inside of the nitrogen generator adsorption cylinder 3 is provided with a second cleaning mechanism for cleaning the inner side wall of the nitrogen generator adsorption cylinder 3, in the use process of the device, the replacement of the molecular sieve 20 is relatively simple due to the design of the fixing mechanism and the lifting mechanism, the operation of disassembling a plurality of bolts and nuts is not needed in the process, a lot of time is saved, the work efficiency is improved, the rotating shaft 13 is rotated by the rotating mechanism, the first cleaning mechanism and the second cleaning mechanism are matched to clean the inner side wall of the nitrogen generator adsorption cylinder 3 and the molecular sieve 20 respectively, workers do not need to use a ladder and other tools to perform high-altitude operation, the operation difficulty is reduced, and the safety hidden danger is prevented.
[0024] The utility model discloses, sealing mechanism includes annular seat 11, annular seat 11 is fixed in the bottom of cylinder cover 4, and the bottom of annular seat 11 is provided with annular groove 26, and the lateral wall of annular groove 26 is sleeved with sealing ring 27, and fixed mechanism includes U-shaped plate 30, and U-shaped plate 30 is fixed on the outside wall of nitrogen making machine adsorption cylinder 3, and the inner side wall of nitrogen making machine adsorption cylinder 3 is rotatably connected with L-shaped plate 12, and the inner top of L-shaped plate 12 is provided with sliding slot 32, and the inner side wall of sliding slot 32 is slidably connected with limiting block 33, and the top of limiting block 33 is fixed with slide rod 34, and one end of slide rod 34 penetrates the top of L-shaped plate 12, and the lateral wall of slide rod 34 is sleeved with second spring 35, and second spring 35 is located in the inside of sliding slot 32, and the top of cylinder cover 4 is provided with limiting groove 31, and limiting block 33 and limiting groove 31 are adapted, when the cylinder cover 4 is on, the top end of nitrogen making machine adsorption cylinder 3 is in the inside of annular groove 26, and sealing ring 27 is sealed to the gap between annular groove 26 and nitrogen making machine adsorption cylinder 3, and two protruding blocks 29 are respectively in the inside of two grooves 25, at this time, a part of annular seat 11 is in the inside of nitrogen making machine adsorption cylinder 3 and contacts the top of third annular plate 19, at this time, third annular plate 19 extrudes second annular plate 18 downwards, so that multiple first spring 23 are all in compression state, in pulling multiple slide rod 34 and moving, so that multiple limiting block 33 respectively along multiple sliding slot 32 inner side wall and move upwards, until multiple limiting block 33 respectively all enter multiple sliding slot 32 inside, at this time, multiple second spring 35 are all in compression state, and rotate multiple L-shaped plate 12, so that multiple sliding slot 32 and multiple limiting groove 31 are in coincident state, in loosening multiple slide rod 34, under the reaction of multiple compression state second spring 35, multiple limiting block 33 are pushed and move reversely, until multiple limiting block 33 respectively enter multiple limiting groove 31 inside, that is, the fixation of nitrogen making machine adsorption cylinder 3 and cylinder cover 4 is completed.
[0025] The utility model discloses, lifting mechanism includes first annular board 17, first annular board 17 is fixed on the inside wall of nitrogen making machine adsorption cylinder 3, first annular board 17 top is provided with second annular board 18, and second annular board 18 is located third annular board 19 below, a plurality of guide rods 22 are fixed with equidistance circularly at second annular board 18 bottom, and the one end of a plurality of guide rods 22 all is penetrated in first annular board 17 bottom, a plurality of guide rods 22 lateral wall all are set with first spring 23, and the both ends of a plurality of first spring 23 are fixed with first annular board 17 and second annular board 18 respectively, when needing to replace molecular sieve 20, again pull a plurality of slide bars 34, make a plurality of limit block 33 respectively and a plurality of limit groove 31 separate, and rotate a plurality of L shaped board 12, make a plurality of L shaped board 12 all and the top of cylinder cover 4 separate, can remove the fixation of nitrogen making machine adsorption cylinder 3 and cylinder cover 4, then take out cylinder cover 4 and annular seat 11 from the top of nitrogen making machine adsorption cylinder 3, at this moment, under the reaction of a plurality of compression state first spring 23, push second annular board 18 and move upwards, further drive third annular board 19 and move upwards, can push third annular board 19 out of nitrogen making machine adsorption cylinder 3, then take out third annular board 19, molecular sieve 20 and fourth annular board 21 from the lateral wall of rotating shaft 13, can save time, improve work efficiency without the mode of treatment through dismantling a plurality of bolt nut.
[0026] The utility model discloses, rotating mechanism includes disc 28, disc 28 rotation is connected in the middle place of cylinder cover 4 bottom, disc 28 bottom is fixed with two lugs 29 symmetrically, and two recesses 25 are set up in the top of rotating shaft 13, and two recesses 25 are adapted with two lugs 29 respectively, and the output shaft of motor 5 is fixed with motor 5 at cylinder cover 4 top, and disc 28, first cleaning mechanism includes two cleaning brushes 24, and two cleaning brushes 24 are fixed on the lateral wall of rotating shaft 13 symmetrically, and two cleaning brushes 24 all are located molecular sieve 20 below, and second cleaning mechanism includes two arc plates 15, and two arc plates 15 are set up on the inside wall of nitrogen making machine adsorption cylinder 3 symmetrically, and two arc plates 15 all are adapted with nitrogen making machine adsorption cylinder 3, and two connecting rods 14 are fixed on the inside wall of two arc plates 15 all, and four connecting rods 14 all are fixed with rotating shaft 13, when needing to clean molecular sieve 20, drive motor 5 and drive disc 28 to rotate, further drive two lugs 29 to rotate, cooperate two recesses 25 and drive rotating shaft 13 to rotate, and rotating shaft 13 drives two cleaning brushes 24 to rotate, and clean the bottom of molecular sieve 20, simultaneously, cooperate four connecting rods 14 and drive two arc plates 15 to rotate, further can clean the inside wall of nitrogen making machine adsorption cylinder 3, need not worker to help to climb the ladder and other tools and carry out high operation, reduced the operation difficulty, prevent the security hidden danger.
[0027] The utility model discloses a nitrogen making machine adsorption cylinder 3 outside wall fixed has the mounting panel 8, the mounting panel 8 top is fixed with air compressor 9, and air compressor 9's air outlet end and nitrogen making machine adsorption cylinder 3 intercommunication, nitrogen making machine adsorption cylinder 3 bottom end is fixed with the discharge gate 10, and the cylinder cover 4 top is provided with the air outlet pipe 6, and the air outlet pipe 6 outside wall is provided with the valve 7, when needing nitrogen, start air compressor 9 and send the outside air to nitrogen making machine adsorption cylinder 3, and the input air absorbs the oxygen in the air through the molecular sieve 20, improves the purity of nitrogen in nitrogen making machine adsorption cylinder 3, and when collecting, opens the valve 7, and nitrogen overflows nitrogen making machine adsorption cylinder 3 outside and collects from the air outlet pipe 6 just can.
[0028] Working principle: the device in use, first with the molecular sieve 20 and the third ring plate 19 and the fourth ring plate 21 fixed, installation, the third ring plate 19 placed in the second ring plate 18 top, at this time, the fourth ring plate 21 set in the shaft 13 side wall, and cover the cylinder cover 4, this time the top of the nitrogen generator adsorption cylinder 3 is in the annular groove 26 inside, cooperation sealing ring 27 between the gap of annular groove 26 and nitrogen generator adsorption cylinder 3 sealing treatment, and two lugs 29 are respectively in two groove 25 inside, at this time, a part of the annular seat 11 is in the nitrogen generator adsorption cylinder 3 inside, and and the third ring plate 19 top contact, at this time, the third ring plate 19 downward extrusion second ring plate 18, so that a plurality of first spring 23 is in compression state, pull a plurality of slide rod 34 movement, so that a plurality of limit block 33 respectively along a plurality of slide groove 32 inside wall upward movement, until a plurality of limit block 33 respectively all into a plurality of slide groove 32 inside, at this time, a plurality of second spring 35 is in compression state, and rotate a plurality of L-shaped plate 12, so that a plurality of slide groove 32 respectively and a plurality of limit slot 31 is in the coincident state, in loose a plurality of slide rod 34, under the action of a plurality of compression state second spring 35, push a plurality of limit block 33 reverse movement, until a plurality of limit block 33 respectively into a plurality of limit slot 31 inside, that is, the completion of the nitrogen generator adsorption cylinder 3 and cylinder cover 4 fixed, when you need to replace the molecular sieve 20, pull a plurality of slide rod 34 again, so that a plurality of limit block 33 respectively and a plurality of limit slot 31 separate, and rotate a plurality of L-shaped plate 12, so that a plurality of L-shaped plate 12 and cylinder cover 4 top off, that is, you can remove the fixed nitrogen generator adsorption cylinder 3 and cylinder cover 4, then the cylinder cover 4 and annular seat 11 from the nitrogen generator adsorption cylinder 3 top, at this time, in a plurality of compression state first spring 23, push second ring plate 18 upward movement, in turn drive the third ring plate 19 upward movement, can be taken out of the third ring plate 19, molecular sieve 20 and the fourth ring plate 21 from the shaft 13 side wall, without the need to disassemble a plurality of bolt nut way to handle, save time, improve work efficiency, when you need to clean the molecular sieve 20, turn on the power switch of motor 5, drive motor 5 driven disc 28 rotation, in turn drive two lugs 29 rotation, cooperation two groove 25 driven shaft 13 rotation, shaft 13 rotation driven two cleaning brush 24 rotation, clean the bottom of the molecular sieve 20, at the same time, with four connecting rod 14 driven two arc plate 15 rotation, in turn can clean the inside wall of the nitrogen generator adsorption cylinder 3, at this time, the impurities cleaned fall into the nitrogen generator adsorption cylinder 3 inside bottom, after cleaning, open discharge port 10, the impurities cleaned can be taken out, without the need for workers to use ladder and other tools for high operation, reduce the operation difficulty, prevent the cause of security risks.
[0029] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.
Claims
1. A nitrogen generator with a molecular sieve replacement facilitation, comprising a base (1), characterized in that, The bottom of the base (1) is provided with a nitrogen generator adsorption cylinder (3), the outer wall of the nitrogen generator adsorption cylinder (3) is fixedly provided with a support frame (2), and the support frame (2) and the base (1) are fixedly connected, the top of the nitrogen generator adsorption cylinder (3) is provided with a cylinder cover (4), a plurality of fixing mechanisms for fixing the cylinder cover (4) are arranged on the outer wall of the nitrogen generator adsorption cylinder (3) at equal intervals in a circular shape, the bottom of the cylinder cover (4) is provided with a sealing mechanism for sealing the nitrogen generator adsorption cylinder (3) and the cylinder cover (4), the inner wall of the nitrogen generator adsorption cylinder (3) is fixedly provided with a connecting plate (16), the top of the connecting plate (16) is penetratingly provided with a rotating shaft (13), the top of the cylinder cover (4) is provided with a rotating mechanism for rotating the rotating shaft (13), the side wall of the rotating shaft (13) is sleeved with a fourth annular plate (21), the outer wall of the fourth annular plate (21) is sleeved with a third annular plate (19), the inner wall of the third annular plate (19) is fixedly provided with a molecular sieve (20), and the molecular sieve (20) and the fourth annular plate (21) are fixedly connected, the inner wall of the nitrogen generator adsorption cylinder (3) is provided with a lifting mechanism for lifting the third annular plate (19), the inside of the nitrogen generator adsorption cylinder (3) is provided with a first cleaning mechanism for cleaning the molecular sieve (20), and the inside of the nitrogen generator adsorption cylinder (3) is provided with a second cleaning mechanism for cleaning the inner wall of the nitrogen generator adsorption cylinder (3).
2. The nitrogen generator of claim 1, wherein, The sealing mechanism comprises an annular seat (11), the annular seat (11) is fixed to the bottom of the cylinder cover (4), and the bottom of the annular seat (11) is provided with an annular groove (26), and the side wall of the annular groove (26) is sleeved with a sealing ring (27).
3. The nitrogen generator of claim 1, wherein, The fixing mechanism comprises a U-shaped plate (30), the U-shaped plate (30) is fixed to the outer wall of the nitrogen generator adsorption cylinder (3), the inner wall of the nitrogen generator adsorption cylinder (3) is rotatably connected with an L-shaped plate (12), the inner top of the L-shaped plate (12) is provided with a sliding groove (32), the inner wall of the sliding groove (32) is slidably connected with a limiting block (33), the top of the limiting block (33) is fixedly provided with a sliding rod (34), one end of the sliding rod (34) penetrates through the top of the L-shaped plate (12), the side wall of the sliding rod (34) is sleeved with a second spring (35), and the second spring (35) is located in the sliding groove (32), the top of the cylinder cover (4) is provided with a limiting groove (31), and the limiting block (33) and the limiting groove (31) are matched.
4. The nitrogen generator of claim 1, wherein, The lifting mechanism comprises a first annular plate (17), the first annular plate (17) is fixed to the inner wall of the nitrogen generator adsorption cylinder (3), the top of the first annular plate (17) is provided with a second annular plate (18), and the second annular plate (18) is located below the third annular plate (19), the bottom of the second annular plate (18) is fixedly provided with a plurality of guide rods (22) at equal intervals in a circular shape, one end of each of the plurality of guide rods (22) penetrates through the bottom of the first annular plate (17), and the side wall of each of the plurality of guide rods (22) is sleeved with a first spring (23), and the two ends of each of the plurality of first springs (23) are fixedly connected with the first annular plate (17) and the second annular plate (18) respectively.
5. The nitrogen generator of claim 1, wherein, The rotating mechanism comprises a disc (28), the disc (28) is rotationally connected to the middle of the bottom of the cylinder cover (4), two protrusions (29) are symmetrically fixed on the bottom of the disc (28), two recesses (25) are formed on the top end of the rotating shaft (13), and the two recesses (25) are matched with the two protrusions (29) respectively, the motor (5) is fixed on the top of the cylinder cover (4), and the output shaft of the motor (5) is fixed with the disc (28).
6. The nitrogen generator of claim 1, wherein, The first cleaning mechanism comprises two cleaning brushes (24), the two cleaning brushes (24) are symmetrically fixed on the side wall of the rotating shaft (13), and the two cleaning brushes (24) are located below the molecular sieve (20).
7. The nitrogen generator of claim 1, wherein, The second cleaning mechanism comprises two arc-shaped plates (15), the two arc-shaped plates (15) are symmetrically arranged on the inner side wall of the nitrogen generator adsorption cylinder (3), and the two arc-shaped plates (15) are matched with the nitrogen generator adsorption cylinder (3), two connecting rods (14) are fixed on the inner side wall of each of the two arc-shaped plates (15), and the four connecting rods (14) are fixed with the rotating shaft (13).
8. The nitrogen generator of claim 1, wherein, The mounting plate (8) is fixed on the outer side wall of the nitrogen generator adsorption cylinder (3), the air compressor (9) is fixed on the top of the mounting plate (8), the air outlet end of the air compressor (9) is communicated with the nitrogen generator adsorption cylinder (3), the discharge port (10) is fixed on the bottom end of the nitrogen generator adsorption cylinder (3), the air outlet pipe (6) is arranged through the top of the cylinder cover (4), and the valve (7) is arranged on the outer side wall of the air outlet pipe (6).