Intelligent pumping type gas distribution instrument

Abstract

The utility model discloses an intelligent pump suction type gas distribution instrument which comprises a shell, a rotating chamber and a movable chamber are arranged in the shell, an inner screw rod is arranged in the rotating chamber in a rotating mode, a piston plate is arranged in the movable chamber in a sealing and sliding mode, and the piston plate is connected with the inner screw rod through a connecting mechanism. An air suction pipe and an air outlet pipe which are connected with the movable chamber are arranged on the shell, an outer screw rod is arranged outside the shell through a fixing frame, a fixing motor connected with the outer screw rod is arranged on the fixing frame, and an outer connecting frame is arranged on the outer screw rod in a threaded sleeving mode through a limiting mechanism. By means of cooperative operation of common components, the intelligent gas distribution function is achieved to a certain extent, for example, the movable motor controls the piston plate to move to control the gas flowing direction, and the gas inflow is controlled by changing the size of the transmission belt wheel. The relatively simple design mode has better flexibility and adaptability when meeting different gas distribution requirements.

Description

Technical Field

[0001] This utility model relates to the field of gas mixing instrument technology, and in particular to an intelligent pump-suction gas mixing instrument. Background Technology

[0002] One of the main functions of an intelligent pump-driven gas mixer is to draw in different gases and mix them together in a set ratio to create a new gas mixture. The composition and ratio of this gas mixture can be precisely adjusted according to the user's specific needs.

[0003] In existing intelligent pump-driven gas mixing systems, the pursuit of high intelligence often results in a large number of intelligent components, making the overall structure extremely complex. For example, excessive sensors, complex control circuits, and various advanced microprocessors are intertwined, which not only significantly increases the manufacturing cost but also poses a major obstacle to application for users with limited budgets or small laboratories. Furthermore, due to the large number of intelligent components, troubleshooting and repair become exceptionally cumbersome if any component malfunctions during operation. Maintenance personnel need to spend a significant amount of time identifying the specific intelligent component that is faulty, and replacing these components often requires specialized technical knowledge and specific tools. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing an intelligent pump-suction gas distribution instrument.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] An intelligent pump-suction gas mixing device includes a housing. Inside the housing are two rotating chambers and a movable chamber. An inner screw is rotatably mounted in each rotating chamber, and a piston plate is slidably mounted in the movable chamber. The piston plate is connected to the inner screw via a connecting mechanism. The housing has an intake pipe and an outlet pipe connected to the movable chamber. An outer screw is mounted outside the housing via a fixed frame. A fixed motor connected to the outer screw is mounted on the fixed frame. An outer connecting frame is threaded onto the outer screw via a limiting mechanism. A movable motor is mounted on the outer connecting frame. A transmission pulley is located outside the housing. The transmission pulley has a movable channel. A slide rod is located within the movable channel. A positioning frame is slidably mounted on the slide rod via an elastic mechanism. A positioning groove is located at the end of the inner screw. The two transmission pulleys are connected to the movable motor via a tensioning mechanism.

[0007] Preferably, the connecting mechanism includes an inner connecting frame threaded onto the inner screw, and the end of the inner connecting frame is fixedly connected to the piston plate.

[0008] Preferably, the limiting mechanism includes a limiting rod installed in the fixed frame, and the limiting rod slides through the outer connecting frame.

[0009] Preferably, the elastic mechanism includes a spring sleeved on the slide rod, with both ends of the spring connected to the outer wall of the positioning frame and the inner wall of the movable channel, respectively.

[0010] Preferably, the tensioning mechanism includes an adjusting pulley mounted on the output shaft of the movable motor, and the two transmission pulleys are connected to the adjusting pulley by a synchronous belt.

[0011] Preferably, the intake pipe is provided with a first valve, and the exhaust pipe is provided with a second valve, both of which are one-way valves.

[0012] Preferably, the cross-sectional view of the positioning frame is L-shaped, and the cross-sectional view of the positioning groove as a whole is T-shaped.

[0013] The beneficial effects of this utility model are:

[0014] 1. A certain level of intelligent effect can be achieved by using only some common components such as motors, transmission pulleys, screws, and piston plates in combination.

[0015] 2. The design incorporates a tensioning mechanism (adjusting pulley, drive pulley, and synchronous belt) to ensure the synchronous rotation of the two internal screws, and a fixed motor to adjust the positions of relevant components after the drive pulley is replaced to maintain the normal operation of the equipment. These mechanisms, based on the coordination of commonly used components, ensure the accuracy and stability of the gas distribution process without the involvement of numerous intelligent components.

[0016] 3. By leveraging the coordinated operation of commonly used components, intelligent gas distribution functionality is achieved to a certain extent. For example, the direction of gas flow is controlled by moving the piston plate through a motor, and the intake volume is controlled by changing the size of the transmission pulley. This relatively simple design approach offers greater flexibility and adaptability when dealing with different gas distribution needs. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of an intelligent pump-suction gas distribution instrument proposed in this utility model;

[0018] Figure 2 for Figure 1 A schematic diagram of the cross-sectional structure;

[0019] Figure 3 for Figure 2 A schematic diagram of the vertical section structure;

[0020] Figure 4 for Figure 3 Enlarged schematic diagram of the structure at point A;

[0021] Figure 5 for Figure 4 Enlarged schematic diagram of the structure at point B.

[0022] In the diagram: 1. Housing, 2. Intake pipe, 3. Exhaust pipe, 4. Rotating chamber, 5. Movable chamber, 6. Inner screw, 7. Piston plate, 8. Inner connecting frame, 9. Fixed frame, 10. Outer screw, 11. Fixed motor, 12. Limiting rod, 13. Outer connecting frame, 14. Movable motor, 15. Adjusting pulley, 16. Transmission pulley, 17. Synchronous belt, 18. Movable channel, 19. Slide rod, 20. Positioning frame, 21. Spring, 22. Positioning groove. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0024] Reference Figure 1-5 An intelligent pump-suction gas distribution device includes a housing 1. Inside the housing 1 are two rotating chambers 4 and a movable chamber 5. An inner screw 6 is rotatably mounted in the rotating chamber 4. A piston plate 7 is slidably mounted in the movable chamber 5. The piston plate 7 is connected to the inner screw 6 through a connecting mechanism. The housing 1 is provided with an air intake pipe 2 and an air outlet pipe 3 connected to the movable chamber 5. An outer screw 10 is provided outside the housing 1 through a fixed frame 9. A fixed motor 11 connected to the outer screw 10 is provided on the fixed frame 9. An outer connecting frame 13 is threadedly fitted on the outer screw 10 through a limiting mechanism. A movable motor 14 is provided on the outer connecting frame 13. A transmission pulley 16 is provided outside the housing 1. The transmission pulley 16 is provided with a movable channel 18. A slide rod 19 is provided in the movable channel 18. A positioning frame 20 is slidably mounted on the slide rod 19 through an elastic mechanism. A positioning groove 22 is provided at the end of the inner screw 6. The two transmission pulleys 16 and the movable motor 14 are connected through a tensioning mechanism.

[0025] The connecting mechanism includes an inner connecting frame 8 threaded onto the inner screw 6, with its end fixedly connected to the piston plate 7. As shown in the figure, the inner connecting frame 8 has a U-shaped design, thus its built-in limit prevents it from rotating with the inner screw 6.

[0026] The limiting mechanism includes a limiting rod 12 installed within the fixed frame 9, which slides through the outer connecting frame 13. The limiting rod 12 is parallel to the outer screw 10, thus ensuring that the outer connecting frame 13 does not rotate with the outer screw 10.

[0027] The elastic mechanism includes a spring 21 sleeved on the slide bar 19, with both ends of the spring 21 connected to the outer wall of the positioning frame 20 and the inner wall of the movable channel 18, respectively. The spring 21 compresses the positioning frame 20, ensuring that the two positioning frames 20 are far apart, and the positioning frame 20, in conjunction with the positioning groove 22, can prevent the transmission pulley 16 from disengaging from the inner screw 6.

[0028] It should be noted that the inner screw 6 extends to the outside of the housing 1, and no threads are provided on this part.

[0029] The tensioning mechanism includes an adjusting pulley 15 mounted on the output shaft of the movable motor 14, and two transmission pulleys 16 connected to the adjusting pulley 15 via a synchronous belt 17. The adjusting pulley 15 and transmission pulleys 16 are synchronous pulleys, which, when used in conjunction with the synchronous belt 17, enable the synchronous rotation of the two internal screws 6.

[0030] The suction pipe 2 is equipped with a first valve, and the exhaust pipe 3 is equipped with a second valve. Both the first and second valves are one-way valves. The one-way valves enable unidirectional gas flow, allowing gas to be drawn in only through the suction pipe 2 and discharged only through the exhaust pipe 3.

[0031] The positioning frame 20 has an L-shaped cross-section, and the positioning groove 22 has a T-shaped cross-section. Only with these shapes can the positioning function be achieved.

[0032] When this utility model is in use, after the movable motor 14 is started, it can drive the two inner screws 6 to rotate with the help of the adjusting pulley 15, the transmission pulley 16 and the synchronous belt 17. When the inner screws 6 rotate, the inner connecting frame 8 can drive the piston plate 7 to move. The movable motor 14 can rotate forward and reverse, and the piston plate 7 can move back and forth. When the piston plate 7 moves away from the suction pipe 2, it can draw in external gas. When the piston plate 7 moves closer to the suction pipe 2, it can discharge the external gas through the exhaust pipe 3 and discharge it into the target container for mixing.

[0033] In this scheme, the two drive pulleys 16 are the same size. One of the drive pulleys 16 can be replaced to make it larger or smaller, thereby changing the stroke of the corresponding piston plate 7, which in turn changes the amount of gas drawn in by one of the intake pipes 2, thereby obtaining the target gas mixture.

[0034] In this design, moving the two positioning frames 20 within the same movable channel 18 closer together disconnects the transmission pulley 16 from the inner screw 6, facilitating its replacement. After replacement, to ensure the synchronous belt 17 remains taut, the fixed motor 11 is started to rotate the outer screw 10, allowing adjustment of the positions of the outer connecting frame 13, the movable motor 14, and the adjusting pulley 15.

[0035] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A smart pump-suction gas mixing instrument, comprising a housing (1), characterized in that, The housing (1) has two rotating chambers (4) and a movable chamber (5) inside. An inner screw (6) is rotatably installed in the rotating chamber (4). A piston plate (7) is slidably installed in the movable chamber (5). The piston plate (7) is connected to the inner screw (6) through a connecting mechanism. The housing (1) has an air intake pipe (2) and an air outlet pipe (3) connected to the movable chamber (5). An outer screw (10) is installed outside the housing (1) through a fixed frame (9). A fixed motor (11) connected to the outer screw (10) is installed on the fixed frame (9). An outer connecting frame (13) is threaded onto the rod (10) via a limiting mechanism. A movable motor (14) is mounted on the outer connecting frame (13). A transmission pulley (16) is mounted on the outside of the housing (1). A movable channel (18) is mounted on the transmission pulley (16). A sliding rod (19) is mounted inside the movable channel (18). A positioning frame (20) is slidably mounted on the sliding rod (19) via an elastic mechanism. A positioning groove (22) is provided at the end of the inner screw (6). The two transmission pulleys (16) are connected to the movable motor (14) via a tensioning mechanism.

2. The intelligent pump-suction gas mixing instrument according to claim 1, characterized in that, The connecting mechanism includes an inner connecting frame (8) threaded onto the inner screw (6), and the end of the inner connecting frame (8) is fixedly connected to the piston plate (7).

3. The intelligent pump-suction gas mixing instrument according to claim 2, characterized in that, The limiting mechanism includes a limiting rod (12) installed in the fixed frame (9), and the limiting rod (12) slides through the outer connecting frame (13).

4. The intelligent pump-suction gas mixing instrument according to claim 3, characterized in that, The elastic mechanism includes a spring (21) sleeved on the slide rod (19), with both ends of the spring (21) connected to the outer wall of the positioning frame (20) and the inner wall of the movable channel (18), respectively.

5. The intelligent pump-suction gas mixing instrument according to claim 4, characterized in that, The tensioning mechanism includes an adjusting pulley (15) mounted on the output shaft of the movable motor (14), and the two transmission pulleys (16) are connected to the adjusting pulley (15) by a synchronous belt (17).

6. The intelligent pump-suction gas mixing instrument according to claim 5, characterized in that, The air intake pipe (2) is provided with a first valve, and the air outlet pipe (3) is provided with a second valve. Both the first and second valves are one-way valves.

7. The intelligent pump-suction gas mixing instrument according to claim 6, characterized in that, The cross-sectional view of the positioning frame (20) is L-shaped, and the cross-sectional view of the positioning groove (22) is T-shaped.

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