Lightweight nitrogen-making modular unit device capable of being quickly disassembled and assembled

Abstract

The utility model discloses a lightweight nitrogen-making modular unit device capable of being quickly disassembled and assembled, which relates to the technical field of nitrogen making and comprises a base, a preparation tank is mounted at the top of the base, and the bottom of the preparation tank is fixed at the top of the base through support legs which are annularly distributed at equal intervals; an exhaust pipeline and an air inlet pipeline are arranged on the outer side of the preparation tank body, the exhaust pipeline and the air inlet pipeline are connected through a quick connection structure, the quick connection structure comprises a first sealing plug arranged in the exhaust pipeline in a sliding mode, and a second sealing ring is fixedly connected to the inner wall of the air inlet pipeline. According to the light-weight nitrogen-making modular unit device capable of being quickly disassembled and assembled, when pipelines are separated, a first reset spring pushes a first sealing plug to reset and is in interference fit with a first sealing ring, and a port of an exhaust pipeline is closed; and the second sealing plug of the gas inlet pipeline returns under the action of the second reset spring and forms one-way valve sealing with the second sealing ring, so that a gas leakage path is thoroughly blocked, and gas leakage or backward flowing of external impurities is prevented.

Description

A lightweight modular nitrogen generator unit that can be quickly assembled and disassembled. Technical Field

[0001] This utility model relates to the field of nitrogen production technology, specifically a lightweight modular nitrogen production unit that can be quickly disassembled and assembled. Background Technology

[0002] Nitrogen production refers to the process of separating or extracting nitrogen from the air. Nitrogen is widely used in industries such as chemical, electronics, food packaging, pharmaceutical, and metallurgy. Nitrogen is separated or extracted from the air by nitrogen generator units.

[0003] To overcome the aforementioned shortcomings, a Chinese patent (publication number: CN219682124U) discloses an energy-saving molecular sieve nitrogen generator unit, comprising an oxygen supply module, a purification module, and a nitrogen storage tank connected in sequence, and a control cabinet. The purification module includes two sets of adsorption towers, with the input ends of both sets connected to the oxygen supply module and the output ends of both sets connected to the nitrogen storage tank. The nitrogen storage tank has an input nitrogen purity analyzer electrically connected to the control cabinet at its input end and a nitrogen flow meter electrically connected to the control cabinet at its output end. Both sets of adsorption towers have inlet valves electrically connected to the control cabinet at their input ends and outlet valves electrically connected to the control cabinet at their output ends. This invention allows for switching the operating time of the two adsorption towers according to user needs, achieving energy savings.

[0004] While existing technologies can overcome the shortcomings mentioned above, other problems still exist in their operation: In the process of nitrogen generation, nitrogen generators generally generate nitrogen through equipment inside the tank and discharge the gas inside the tank through pipelines. Existing nitrogen generator tank pipelines are generally connected by flanges, and the pipelines cannot automatically seal when disconnected. Summary of the Invention

[0005] The purpose of this utility model is to provide a lightweight modular nitrogen generator unit that can be quickly disassembled and assembled, in order to solve the problem in the background art that the nitrogen generator unit tank pipeline is generally connected by flanges during the connection process, and the pipeline cannot automatically seal when disconnected.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a lightweight modular nitrogen generator unit that can be quickly disassembled and assembled, including a base, a preparation tank installed on the top of the base, and the bottom of the preparation tank being fixed to the top of the base by a ring of equally spaced support feet;

[0007] The preparation tank is provided with an exhaust pipe and an intake pipe on its outer side. The exhaust pipe and the intake pipe are connected by a quick-connect structure. The quick-connect structure includes a first sealing plug that is slidably disposed inside the exhaust pipe. A second sealing ring is fixedly connected to the inner wall of the intake pipe. A push block is fixed to the center of the second sealing ring by a bracket. The push block abuts against the end face of the first sealing plug.

[0008] Preferably, the exhaust pipe is provided with a first mounting rod extending axially inside, the first mounting rod is fixed to the inner wall of the exhaust pipe by a bracket, the first sealing plug is slidably sleeved on the outside of the first mounting rod, and a first return spring is connected between the first sealing plug and the end of the first mounting rod.

[0009] Preferably, the inner wall of the exhaust pipe is further provided with a first sealing ring, the inner side of the first sealing ring is in contact with the outer wall of the first sealing plug, and the outer wall of the exhaust pipe is provided with external threads.

[0010] Preferably, a second mounting rod is provided inside the air intake pipe. The second mounting rod is fixed to the inner wall of the air intake pipe by a bracket. A second sealing plug is slidably sleeved on the outside of the second mounting rod. A second return spring is connected between the second sealing plug and the end of the second mounting rod. The second sealing ring and the second sealing plug constitute a one-way valve structure.

[0011] Preferably, a slidable fixing sleeve is fitted on the outer side of the intake pipe, and the inner wall of the fixing sleeve is provided with an internal thread that matches the external thread of the exhaust pipe. When the fixing sleeve is tightened on the exhaust pipe, the second sealing ring and the first sealing ring are pressed together to form a seal.

[0012] Preferably, the base includes an annular frame and a plurality of transverse mounting rods fixedly connected to the inner side of the annular frame, wherein the transverse mounting rods are provided with mounting holes evenly distributed.

[0013] Preferably, the annular frame has two symmetrical connecting holes on one side and a guide rail corresponding to the connecting holes on the other side. A connecting block is slidably disposed in the guide rail. One end of the connecting block extends to the outside of the annular frame and is inserted into the connecting hole of the adjacent base. An exposed actuating block is provided on the top of the connecting block, and a spring is connected between the connecting block and the inner wall of the guide rail.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] This lightweight modular nitrogen generator unit can be quickly disassembled and assembled. When the pipeline is separated, the first return spring pushes the first sealing plug to reset and it is pressurized with the first sealing ring to seal the exhaust pipe port. The second sealing plug of the intake pipe returns to its original position under the action of the second return spring, forming a one-way valve seal with the second sealing ring, completely blocking the gas leakage path and preventing gas leakage or backflow of external impurities.

[0016] The sliding connecting block and spring lock enable quick splicing of adjacent bases. When connecting, the connecting block slides along the guide rail and locks into the connecting hole of the other base. The inclined self-locking design ensures a stable splicing. When separating, the exposed toggle block can be turned to unlock. This structure, together with the distributed mounting holes of the support feet, allows for flexible adjustment of the installation position of the preparation tank to meet the layout requirements of different scenarios. Attached Figure Description

[0017] Figure 1 is a three-dimensional structural diagram of the present invention;

[0018] Figure 2 is a schematic diagram of the pipeline structure of this utility model;

[0019] Figure 3 is a schematic diagram of the pipeline separation structure of this utility model;

[0020] Figure 4 is a schematic diagram of the pipe connection structure of this utility model;

[0021] Figure 5 is a schematic diagram of the ring frame structure of this utility model;

[0022] Figure 6 is a schematic diagram of the connecting block structure of this utility model.

[0023] In the diagram: 1. Base; 2. Preparation tank; 3. Support foot; 4. Exhaust pipe; 5. Inlet pipe; 6. First mounting rod; 7. First sealing plug; 8. First sealing ring; 9. Second sealing ring; 10. Push block; 11. First return spring; 12. External thread; 13. Second mounting rod; 14. Second sealing plug; 15. Second return spring; 16. Fixing sleeve; 17. Annular frame; 18. Horizontal mounting rod; 19. Connecting hole; 20. Guide rail; 21. Connecting block; 22. Actuating block. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Example 1: Please refer to Figures 1-4. This utility model provides the following technical solution: A lightweight modular nitrogen generator unit that can be quickly disassembled and assembled includes a base 1. A preparation tank 2 is installed on the top of the base 1. The bottom of the preparation tank 2 is fixed to the top of the base 1 by annularly distributed support feet 3. An exhaust pipe 4 and an intake pipe 5 are provided on the outside of the preparation tank 2. The exhaust pipe 4 and the intake pipe 5 are connected by a quick-connect structure. The quick-connect structure includes a first sealing plug 7 that is slidably disposed inside the exhaust pipe 4. A second sealing ring 9 is fixedly connected to the inner wall of the intake pipe 5. A push block 10 is fixed to the center of the second sealing ring 9 by a bracket. The push block 10 abuts against the end face of the first sealing plug 7. A first mounting rod 6 that extends axially inside the exhaust pipe 4 is provided. The first mounting rod 6 is fixed to the inner wall of the exhaust pipe 4 by a bracket. The first sealing plug 7 is slidably sleeved on the outside of the first mounting rod 6. On the side, a first return spring 11 is connected between the end of the first sealing plug 7 and the end of the first mounting rod 6. The inner wall of the exhaust pipe 4 is also provided with a first sealing ring 8. The inner side of the first sealing ring 8 is in contact with the outer wall of the first sealing plug 7. The outer wall of the exhaust pipe 4 is provided with an external thread 12. The inside of the intake pipe 5 is provided with a second mounting rod 13. The second mounting rod 13 is fixed to the inner wall of the intake pipe 5 by a bracket. The outer side of the second mounting rod 13 is slidably sleeved with a second sealing plug 14. A second return spring 15 is connected between the end of the second sealing plug 14 and the end of the second mounting rod 13. The second sealing ring 9 and the second sealing plug 14 form a one-way valve structure. The outer side of the intake pipe 5 is sleeved with a slidable fixing sleeve 16. The inner wall of the fixing sleeve 16 is provided with an internal thread that matches the external thread 12 of the exhaust pipe 4. When the fixing sleeve 16 is tightened on the exhaust pipe 4, the second sealing ring 9 and the first sealing ring 8 are pressed together to form a seal.

[0026] During operation, the nitrogen generator unit is connected to the external pipes through the inlet pipe 5, allowing gas to enter the processing equipment inside the preparation tank 2 through the inlet pipe 5. After processing, the gas will be discharged from the preparation tank 2 through the inlet pipe 5. The pipes connected to the inlet pipe 5 and the exhaust pipe 4 on the outside of the preparation tank 2 are equipped with quick-connect structures.

[0027] When the two intake pipes 5 and the exhaust pipe 4 are connected to each other, the ends of the exhaust pipe 4 and the intake pipe 5 will come into contact with each other. At this time, the push block 10 will come into contact with the first sealing plug 7. The push block 10 will drive the first sealing plug 7 to slide outside the first mounting rod 6. At this time, the first sealing plug 7 will compress the first return spring 11 and the first sealing plug 7 will separate from the first sealing ring 8. At this time, a passage will be formed inside the exhaust pipe 4.

[0028] When the exhaust pipe 4 and the intake pipe 5 are fully fitted, the outer fixing sleeve 16 of the intake pipe 5 is slidable, and the fixing sleeve 16 is rotated so that the external thread 12 on the outer side of the exhaust pipe 4 rotates. The rotation of the fixing sleeve 16 drives it to move on the outer side of the exhaust pipe 4, and the inner end of the fixing sleeve 16 applies a force toward the end of the intake pipe 5, making the exhaust pipe 4 and the intake pipe 5 fit more tightly. The second sealing ring 9 and the first sealing ring 8 fit together to form a seal. During the operation of the nitrogen generator, gas will enter the interior of the intake pipe 5 through the exhaust pipe 4. When the gas enters the interior of the intake pipe 5, it will push the second sealing plug 14 on the outer side of the second mounting rod 13 to slide, so that the second sealing plug 14 and the second sealing ring 9 separate from each other. The gas will enter the intake pipe 5 and the interior of the base 1 through the gap between the second sealing plug 14 and the second sealing ring 9.

[0029] When the exhaust pipe 4 and the intake pipe 5 are separated, the second return spring 15 inside the intake pipe 5 will drive the second sealing plug 14 to slide outside the second mounting rod 13 until the second sealing plug 14 and the second sealing ring 9 fit together to form a sealing structure, thereby sealing the end of the intake pipe 5. The first return spring 11 inside the exhaust pipe 4 will drive the first sealing plug 7 to slide outside the first mounting rod 6. At this time, the first sealing plug 7 will fit together with the first sealing ring 8 to form a sealing structure, thereby sealing the end of the exhaust pipe 4, so that the exhaust pipe 4 and the intake pipe 5 automatically seal when separated.

[0030] Example 2: Based on Example 1, please refer to Figures 5 and 6. The following structure is also disclosed, and its specific structure is as follows: The base 1 includes an annular frame 17 and a plurality of transverse mounting rods 18 fixedly connected to the inner side of the annular frame 17. The transverse mounting rods 18 are provided with mounting holes that are evenly distributed. One side of the annular frame 17 is provided with two symmetrical connecting holes 19, and the other side is provided with a guide rail 20 corresponding to the connecting holes 19. A connecting block 21 is slidably arranged in the guide rail 20. One end of the connecting block 21 extends to the outside of the annular frame 17 and is inserted into the connecting hole 19 of the adjacent base. The top of the connecting block 21 is provided with an exposed actuating block 22, and a spring is connected between the connecting block 21 and the inner wall of the guide rail 20.

[0031] The base 1 is fixed to the preparation tank 2 by the support feet 3. The support feet 3 are connected to each other by bolts and mounting holes inside the horizontal mounting rods 18. The installation position of the preparation tank 2 and the support feet 3 on the top of the base 1 is adjusted by the multiple horizontal mounting rods 18 and the multiple mounting holes on the top of the horizontal mounting rods 18.

[0032] Align the annular frames 17 of the two bases 1, and push the connecting block 21 of one base 1 to slide along the guide rail 20. After the inclined surface of the connecting block 21 contacts the connecting hole 19 of the adjacent base 1, it is squeezed inward until it is completely inserted into the connecting hole 19. At this time, the spring in the guide rail 20 rebounds and locks the position of the connecting block 21, realizing the quick splicing of the bases 1. Push the exposed actuating block 22 upward, drive the connecting block 21 to move inward along the guide rail 20 and compress the spring, so that the connecting block 21 disengages from the connecting hole 19, and the two bases 1 can be separated.

[0033] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" or "linked" should be interpreted broadly. For example, it can refer to a fixed connection, a detachable connection, or an integral connection; it can refer to a mechanical connection or an electrical connection; it can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0034] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A lightweight modular nitrogen generator unit that can be quickly disassembled and assembled, comprising a base (1), wherein a preparation tank (2) is mounted on the top of the base (1), and the bottom of the preparation tank (2) is fixed to the top of the base (1) by annularly distributed support feet (3); characterized in that: The preparation tank (2) is provided with an exhaust pipe (4) and an air inlet pipe (5) on the outside. The exhaust pipe (4) and the air inlet pipe (5) are connected by a quick-connect structure. The quick-connect structure includes a first sealing plug (7) that is slidably disposed inside the exhaust pipe (4). A second sealing ring (9) is fixedly connected to the inner wall of the air inlet pipe (5). A push block (10) is fixed to the center of the second sealing ring (9) by a bracket. The push block (10) abuts against the end face of the first sealing plug (7).

2. The lightweight modular nitrogen generator unit with quick assembly and disassembly as described in claim 1, characterized in that: The exhaust pipe (4) is provided with a first mounting rod (6) extending axially inside. The first mounting rod (6) is fixed to the inner wall of the exhaust pipe (4) by a bracket. The first sealing plug (7) is slidably sleeved on the outside of the first mounting rod (6), and a first return spring (11) is connected between the first sealing plug (7) and the end of the first mounting rod (6).

3. The lightweight modular nitrogen generator unit with quick assembly and disassembly according to claim 2, characterized in that: The inner wall of the exhaust pipe (4) is also provided with a first sealing ring (8), the inner side of the first sealing ring (8) is in contact with the outer wall of the first sealing plug (7), and the outer wall of the exhaust pipe (4) is provided with an external thread (12).

4. The lightweight modular nitrogen generator unit with quick assembly and disassembly as described in claim 1, characterized in that: The intake pipe (5) is provided with a second mounting rod (13). The second mounting rod (13) is fixed to the inner wall of the intake pipe (5) by a bracket. A second sealing plug (14) is slidably sleeved on the outside of the second mounting rod (13). A second return spring (15) is connected between the end of the second sealing plug (14) and the end of the second mounting rod (13). The second sealing ring (9) and the second sealing plug (14) constitute a one-way valve structure.

5. The lightweight modular nitrogen generator unit with quick assembly and disassembly according to claim 4, characterized in that: The intake pipe (5) is fitted with a slidable fixing sleeve (16) on the outside. The inner wall of the fixing sleeve (16) is provided with an internal thread that matches the external thread (12) of the exhaust pipe (4). When the fixing sleeve (16) is tightened on the exhaust pipe (4), the second sealing ring (9) and the first sealing ring (8) are pressed together to form a seal.

6. The lightweight modular nitrogen generator unit with quick assembly and disassembly according to claim 1, characterized in that: The base (1) includes an annular frame (17) and a plurality of transverse mounting rods (18) fixedly connected to the inner side of the annular frame (17). The transverse mounting rods (18) are provided with mounting holes that are evenly distributed.

7. A lightweight modular nitrogen generator unit with quick assembly and disassembly as described in claim 6, characterized in that: The annular frame (17) has two symmetrical connecting holes (19) on one side and a guide rail (20) corresponding to the connecting holes (19) on the other side. A connecting block (21) is slidably arranged in the guide rail (20). One end of the connecting block (21) extends to the outside of the annular frame (17) and is inserted into the connecting hole (19) of the adjacent base. An exposed actuating block (22) is provided on the top of the connecting block (21), and a spring is connected between the connecting block (21) and the inner wall of the guide rail (20).

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