A multi-pipe filtration device

Abstract

This utility model relates to the field of filtration equipment and discloses a multi-channel filtration device, including a filtration chamber. Multiple connecting funnels are fixedly connected to the top of the filtration chamber. Connecting pipes are fixedly connected to the tops of the connecting funnels. Connecting blocks are slidably connected inside the connecting pipes. Top columns are fixedly connected inside the connecting blocks. Fixed plates are fixedly connected inside the connecting funnels. Limiting columns are slidably connected inside the fixed plates. Top plates are fixedly connected to the tops of the limiting columns. In this utility model, when a connecting block is inserted into a connecting pipe, the top column pushes open the top plate, causing the top plate to slide downwards. This pushes a baffle through a transmission rod, causing the baffle to slide into a placement groove and expose the funnel, thus opening the connecting pipes. This facilitates the use of multiple channels, solves the problem that filtration devices can only process a single sample at a time, and improves the filtration efficiency of the device.

Description

Technical Field

[0001] This utility model relates to the field of filtration equipment, and in particular to a multi-channel suction filtration device. Background Technology

[0002] The tubular filtration apparatus is a very practical experimental device that mainly utilizes the principle of vacuum negative pressure to accelerate the solid-liquid separation process. This device generates a negative pressure environment inside the filtration flask by connecting a vacuum pump. Under this negative pressure, the liquid can be rapidly passed through the filter paper by the pressure difference, while solid particles are trapped on the surface of the filter paper. In this way, the tubular filtration apparatus can achieve a very efficient separation effect. It has been widely used in chemistry, biology, pharmaceuticals, and many other scientific fields. In particular, it can significantly improve the efficiency and accuracy of experiments in the sample preparation process.

[0003] In traditional experimental setups, these devices typically process only one sample at a time. This means that when researchers or technicians need to process a large number of samples, such as testing multiple water samples in environmental monitoring or separating multiple batches of reaction liquid in chemical production, they have to frequently start and stop the equipment and change samples. This operation is not only time-consuming and labor-intensive but also inefficient and fails to meet the needs of large-scale production and rapid detection. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a multi-channel filtration device, which aims to improve the problem that existing filtration devices can only process a single sample at a time.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a multi-pipe filtration device, comprising a filtration chamber, a plurality of connecting funnels fixedly connected to the top of the filtration chamber, a connecting pipe fixedly connected to the top of each connecting funnel, a connecting block slidably connected inside the connecting pipe, a top column fixedly connected inside the connecting block, a fixing plate fixedly connected inside the connecting funnels, a limiting column slidably connected inside the fixing plate, a top plate fixedly connected to the top of the limiting column, a second spring sleeved on the outer wall of the limiting column, one end of the second spring fixedly connected to the bottom of the top plate, the other end of the second spring fixedly connected to the outer wall of the fixing plate, a ring array of baffles slidably connected inside the fixing plate, a ring array of placement grooves and a ring array of leakage grooves opened inside the fixing plate, the outer wall of the baffles slidably connected inside the placement grooves, a transmission rod rotatably connected to one side of the top of the baffles, one side of the transmission rod rotatably connected to the inside of the top plate, a fixing ring fixedly connected inside the connecting pipe, a second slot opened at the bottom of the connecting block, and a sealing component provided inside the baffles.

[0006] Furthermore, the sealing assembly includes a second sealing gasket and a first sealing gasket. One side of the first sealing gasket is fixedly connected inside the fixing ring, the outer wall of the first sealing gasket is in contact with the inner wall of the second slot, and one side of the second sealing gasket is fixedly connected inside the baffle.

[0007] Furthermore, a support plate is fixedly connected to the bottom of the filtration chamber.

[0008] Furthermore, a slot is provided on the outer wall of the connecting block, and a control ring is slidably connected to the outer wall of the connecting pipe.

[0009] Furthermore, a ring array of retaining balls is slidably connected inside the connecting tube, and the outer wall of the retaining balls is in contact with the inner wall of the retaining groove.

[0010] Furthermore, the outer wall of the ball is in contact with the inner wall of the control ring, and a spring is sleeved on the outer wall of the connecting pipe.

[0011] Furthermore, the spring is disposed inside the control ring.

[0012] Furthermore, one end of the spring is fixedly connected to the inner wall of the control ring, and the other end of the spring is fixedly connected to the outer wall of the connecting pipe.

[0013] This utility model has the following beneficial effects:

[0014] 1. In this utility model, the connecting pipe is first inserted by inserting the connecting block, then the top column will push open the top plate, and the top plate will slide down, thereby pushing the baffle through the transmission rod, so that the baffle slides into the placement groove and exposes the leakage groove, thus making the connecting pipe open, which facilitates the use of multiple pipes, solves the problem that the vacuum filtration device can only process a single sample at a time, and improves the vacuum filtration efficiency of the device.

[0015] 2. In this utility model, by first controlling the sliding of the control ring, the ball can be unrestricted, thus facilitating the insertion of the connecting block into the connecting pipe. After the control ring is released, the control ring will squeeze the ball, causing the ball to be inserted into the slot, which can fix the connecting pipe and the connecting block, thereby improving the convenience of pipe connection. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the main structure of a multi-pipe filtration device proposed in this utility model;

[0017] Figure 2 This is a schematic diagram of the connection cross-section of a multi-pipe filtration device proposed in this utility model;

[0018] Figure 3 This is a schematic diagram of the fixed ring structure of a multi-pipe filtration device proposed in this utility model;

[0019] Figure 4 This is a cross-sectional schematic diagram of the support plate of a multi-pipe filtration device proposed in this utility model.

[0020] Legend:

[0021] 1. Filtering chamber; 2. Support plate; 3. Connecting funnel; 4. Connecting pipe; 5. Control ring; 6. Connecting block; 7. Slot 1; 8. Spring 1; 9. Top column; 10. Ball retainer; 11. Slot 2; 12. Fixing ring; 13. Sealing gasket 1; 14. Fixing plate; 15. Top plate; 16. Transmission rod; 17. Placement slot; 18. Baffle; 19. Sealing gasket 2; 20. Leakage groove; 21. Limiting column; 22. Spring 2. Detailed Implementation

[0022] 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.

[0023] Reference Figures 2-4 This utility model provides an embodiment of a multi-pipe filtration device, comprising a filtration chamber 1, a plurality of connecting funnels 3 fixedly connected to the top of the filtration chamber 1, a connecting pipe 4 fixedly connected to the top of the connecting funnels 3, a connecting block 6 slidably connected inside the connecting pipe 4, a top column 9 fixedly connected inside the connecting block 6, a fixing plate 14 fixedly connected inside the connecting funnels 3, a limiting column 21 slidably connected inside the fixing plate 14, a top plate 15 fixedly connected to the top of the limiting column 21, and a spring 22 sleeved on the outer wall of the limiting column 21, one end of the spring 22 being fixedly connected to... At the bottom of the top plate 15, the other end of the second spring 22 is fixedly connected to the outer wall of the fixed plate 14. The fixed plate 14 has a ring array of baffles 18 slidably connected inside. The fixed plate 14 has a ring array of placement grooves 17 and a ring array of leakage grooves 20. The outer wall of the baffle 18 is slidably connected to the placement groove 17. The top side of the baffle 18 is rotatably connected to a transmission rod 16. The transmission rod 16 is rotatably connected to the top plate 15 on one side. The connecting pipe 4 has a fixed ring 12 fixedly connected inside. The bottom of the connecting block 6 has a slot 11.

[0024] Specifically, when activating the filtration device, firstly, select a suitable connecting block 6 according to actual needs, align the connecting block 6 with the pipe port to be connected, and ensure that the connecting block 6 is firmly fixed to the pipe through threaded engagement, snap-fit, or flange tightening. After fixing, bring the pipe with the connecting block 6 close to the connecting pipe 4 of the filtration device. During insertion, the pipe and the connecting pipe 4 must be kept aligned to avoid wear or sealing failure due to angular deviation. As the connecting block 6 is gradually inserted into the connecting pipe 4, its bottom top post 9 contacts the top plate 15 inside the connecting pipe 4, and under the continuous insertion pressure, it generates a downward thrust on the top plate 15. The top plate 15 is connected to the inner wall of the connecting pipe 4 through four symmetrically distributed limiting posts 21. A return spring is sleeved on the outside of the limiting post 21. In the initial state, the spring provides an upward elastic force, causing the top... Plate 15 remains in its initial position. When the thrust of the top column 9 exceeds the spring force, plate 15 overcomes the resistance of the limiting column 21 and begins to move downward. The downward movement of plate 15 triggers the transmission structure inside the device. The two sides of plate 15 are connected to transmission rod 16 by hinges. The other end of transmission rod 16 is connected to the middle of baffle 18. When plate 15 moves downward, the vertical force is converted into a horizontal thrust through transmission rod 16, pushing baffle 18 to slide into fixed plate 14. The placement groove 17 opened inside fixed plate 14 is precisely matched with the size of baffle 18 to ensure that baffle 18 can be put into placement groove 17. As baffle 18 is fully put into placement groove 17, the originally covered groove 20 on fixed plate 14 is exposed. At this time, the gas in the pipeline can enter the vacuum filtration device through groove 20, laying the foundation for the subsequent vacuum filtration process.

[0025] Reference Figures 1-3 The baffle 18 is equipped with a sealing assembly, which includes a second sealing gasket 19 and a first sealing gasket 13. One side of the first sealing gasket 13 is fixedly connected to the inside of the fixing ring 12. The outer wall of the first sealing gasket 13 fits against the inner wall of the second slot 11. One side of the second sealing gasket 19 is fixedly connected to the inside of the baffle 18. A support plate 2 is fixedly connected to the bottom of the filtration chamber 1.

[0026] Specifically, a sealing gasket 2 19 is provided on the baffle 18. The sealing gasket 2 19 can keep the baffle 18 sealed when it is closed. So when the connecting pipe 4 is not connected to the pipe, it can not affect the use of other connecting pipes 4. At the same time, the sealing gasket 13 is fixed on the fixing ring 12 and can fit with the slot 2 11 at the bottom of the connecting block 6, so that the connecting block 6 and the connecting pipe 4 are sealed when connected.

[0027] Reference Figure 2 and Figure 3The outer wall of the connecting block 6 is provided with a slot 7, the outer wall of the connecting pipe 4 is slidably connected with a control ring 5, and the inner wall of the connecting pipe 4 is slidably connected with a ring array of ball bearings 10. The outer wall of the ball bearings 10 is in contact with the inner wall of the slot 7, and the outer wall of the ball bearings 10 is in contact with the inner wall of the control ring 5. The outer wall of the connecting pipe 4 is fitted with a spring 8, which is located inside the control ring 5. One end of the spring 8 is fixedly connected to the inner wall of the control ring 5, and the other end of the spring 8 is fixedly connected to the outer wall of the connecting pipe 4.

[0028] Specifically, before performing the pipe connection operation, the operator needs to slide the control ring 5 downwards along the outer wall of the connecting pipe 4. The inner wall of the control ring 5 is designed with an inclined guide groove, which fits tightly against the spherical surface of the retaining ball 10. During the sliding process, the guide groove gradually releases the restricting force on the retaining ball 10. As the control ring 5 slides down, the retaining ball 10, which was originally squeezed into the groove on the inner wall of the connecting pipe 4, can freely retract into the connecting pipe 4 under its own weight and a slight external force. At this time, the retaining ball 10 will not obstruct the insertion of the connecting block 6. Align the connecting block 6 with the port of the connecting pipe 4, keeping their axes aligned, and insert the connecting block 6 into the connecting pipe 4. When the connecting block 6 is fully inserted into the connecting pipe 4, and the retaining groove 7 on it corresponds to the position of the retaining ball 10 inside the connecting pipe 4, Release your grip on the control ring 5. At this moment, the spring 8 installed between the control ring 5 and the connecting pipe 4 begins to function. The spring 8 is in a compressed state when the control ring 5 slides down, accumulating elastic potential energy. When the external force is removed, the spring 8 quickly releases the elastic potential energy, generating an upward restoring force, pushing the control ring 5 to reset upward along the outer wall of the connecting pipe 4. As the control ring 5 moves upward, the inclined guide groove on its inner wall contacts the retaining ball 10 again and gradually squeezes the retaining ball 10. Guided by the guide groove, the retaining ball 10 moves radially outward and is inserted into the retaining groove 7 of the connecting block 6. The retaining ball 10 and the retaining groove 7 adopt a hemispherical surface and arc-shaped groove matching design to form a tight mechanical locking structure, thereby realizing the stable fixation of the connecting pipe 4 and the connecting block 6.

[0029] Working principle: When this filtration device is in use, it can be fixed to the pipeline by the connecting block 6. The pipeline is connected to the device by inserting the connecting block 6 into the connecting pipe 4. When the connecting block 6 is inserted into the connecting pipe 4, the top column 9 at the bottom of the connecting block 6 will abut against the top plate 15. Under the action of pressure, the top plate 15 will move downward against the force of the limiting column 21. When the top plate 15 moves downward, it can push the baffle 18 through the transmission rod 16, so that the baffle 18 slides into the fixed plate 14 and is put into the placement groove 17, thereby causing the fixed plate 14 to... The groove 20 is exposed, which facilitates the flow of gas inside the connecting pipe 4. When connecting the pipe, the control ring 5 can be slid down, and the retaining ball 10 will lose the restriction of the control ring 5. When the connecting block 6 is inserted into the connecting pipe 4, the retaining ball 10 can retract into the connecting pipe 4. When the connecting block 6 is fully inserted into the connecting pipe 4, the control ring 5 can be released. Under the action of the spring 8, the control ring 5 can be reset, thereby squeezing the retaining ball 10 and making the retaining ball 10 lock into the retaining groove 7, thereby fixing the connecting pipe 4 and the connecting block 6.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model 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 utility model should be included within the protection scope of the present utility model.

Claims

1. A multi-tube pipette device comprising a pipetting chamber (1), characterized in that: The top of the filtration chamber (1) is fixedly connected to multiple connecting funnels (3), the top of the connecting funnels (3) is fixedly connected to a connecting pipe (4), a connecting block (6) is slidably connected inside the connecting pipe (4), a top column (9) is fixedly connected inside the connecting block (6), a fixing plate (14) is fixedly connected inside the connecting funnels (3), a limiting post (21) is slidably connected inside the fixing plate (14), a top plate (15) is fixedly connected to the top of the limiting post (21), a spring (22) is sleeved on the outer wall of the limiting post (21), one end of the spring (22) is fixedly connected to the bottom of the top plate (15), and the other end of the spring (22) is fixedly connected to the bottom of the top plate (15). The outer wall of the fixed plate (14) has a ring array of baffles (18) slidably connected inside the fixed plate (14), a ring array of placement grooves (17) is opened inside the fixed plate (14), a ring array of leakage grooves (20) is opened inside the fixed plate (14), the outer wall of the baffle (18) is slidably connected inside the placement groove (17), a transmission rod (16) is rotatably connected to one side of the top of the baffle (18), one side of the transmission rod (16) is rotatably connected inside the top plate (15), a fixing ring (12) is fixedly connected inside the connecting pipe (4), a second slot (11) is opened at the bottom of the connecting block (6), and a sealing component is provided inside the baffle (18).

2. A multi-tube pourer according to claim 1, wherein: The sealing assembly includes a second sealing gasket (19) and a first sealing gasket (13). One side of the first sealing gasket (13) is fixedly connected inside the fixing ring (12), the outer wall of the first sealing gasket (13) is in contact with the inner wall of the second slot (11), and one side of the second sealing gasket (19) is fixedly connected inside the baffle (18).

3. A multi-tube pourer as defined in claim 1, wherein: The bottom of the filtration chamber (1) is fixedly connected to a support plate (2).

4. A multi-tube pourer device according to claim 1, wherein: The outer wall of the connecting block (6) is provided with a slot (7), and the outer wall of the connecting pipe (4) is slidably connected with a control ring (5).

5. A multi-tube pourer device according to claim 4, wherein: The connecting tube (4) has a ring array of ball bearings (10) slidably connected inside, and the outer wall of the ball bearings (10) is in contact with the inner wall of the slot (7).

6. A multi-tube pourer device according to claim 5, wherein: The outer wall of the ball (10) is in contact with the inner wall of the control ring (5), and the outer wall of the connecting pipe (4) is fitted with a spring (8).

7. A multi-tube device according to claim 6, wherein: The spring (8) is located inside the control ring (5).

8. A multi-tube device according to claim 7, wherein: One end of the spring (8) is fixedly connected to the inner wall of the control ring (5), and the other end of the spring (8) is fixedly connected to the outer wall of the connecting pipe (4).

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