Filtering device for pharmaceutical microbiological detection

Abstract

The utility model belongs to the field of medicine detection technology discloses a filter equipment for medicine microbiological detection, the existing filter equipment is inconvenient to install and detach liquid collecting barrel when using, in addition, it is necessary to manually install liquid collecting barrel and vacuum pump, and there is inconvenience in use, the utility model example's technical scheme, including the car body, the top surface fixed mounting of car body has the vacuum pump, the top of vacuum pump is provided with filter barrel and liquid collecting barrel, the filter barrel is fixedly installed with filter membrane, the top surface of filter barrel is provided with feed port, the top of car body is provided with two movable plates, the front side of movable plate is provided with slot respectively, the inner wall of slot is provided with the clamping groove, the outer periphery of filter barrel and liquid collecting barrel is fixedly installed with snap ring respectively, the utility model sets up the slot in the front side of movable plate, is convenient for taking and placing filter barrel and liquid collecting barrel, secondly, the communication pipe that connects its inner top is provided in liquid collecting barrel, thereby being convenient for the connection of liquid collecting barrel and vacuum pump, convenient to use.

Description

Technical Field

[0001] This utility model belongs to the field of pharmaceutical testing technology, specifically relating to a filtration device for pharmaceutical microbial testing. Background Technology

[0002] When conducting microbial limit tests on pharmaceuticals, the membrane filtration method is often used. This involves appropriately diluting the drug and then passing it through a filter membrane. Pathogenic microorganisms are trapped on the surface of the filter membrane. The filter membrane is then inoculated into a suitable culture medium for qualitative or quantitative detection. Current technologies often use a vacuum pump to create negative pressure in the collection tank to filter the drug solution, preventing the drug solution from clogging the filter membrane. The filtered drug solution flows into the collection tank for easy collection and treatment. In the prior art, Chinese patent with publication number CN222034245U discloses a filtration device for detecting the microbial limit of pharmaceuticals. When using this prior art, the movable plate makes it inconvenient to install and disassemble the collection tank. In addition, the collection tank and vacuum pump need to be installed manually, which is inconvenient to use. Utility Model Content

[0003] To address the shortcomings of the existing technology, the present invention aims to provide a filtration device for pharmaceutical microbial detection. This filtration device has a slot on the front side of the movable plate to facilitate the placement and removal of the filter bucket and the collection bucket. Furthermore, a connecting pipe is provided inside the collection bucket to connect to its top, thereby facilitating the connection between the collection bucket and the vacuum pump, making it convenient to use.

[0004] The technical solution adopted by this filter device for microbial detection of pharmaceuticals to solve its technical problems is as follows: A filtration device for pharmaceutical microbial detection is provided, comprising a vehicle body, a vacuum pump fixedly mounted on the top surface of the vehicle body, a filter barrel and a collection barrel arranged above the vacuum pump, a filter membrane fixedly mounted inside the filter barrel, and a feed inlet on the top surface of the filter barrel. Two movable plates are arranged on the top of the vehicle body, each with a slot on its front side and a groove on its inner wall. Snap rings are fixedly mounted on the outer periphery of the filter barrel and the collection barrel. A guide device is provided on the vehicle body to guide the movable plates. Elastic devices are provided between the movable plates and between the movable plates and the vehicle body. Fixing devices are provided on both sides of the top surface of the vehicle body to fix the movable plates. A connecting pipe is fixedly mounted on the bottom surface of the filter barrel and the collection barrel, with a socket-type water pipe connector at the lower end of the connecting pipe. The upper end of the connecting pipe inside the filter barrel communicates with its inner bottom, and the upper end of the connecting pipe inside the collection barrel communicates with its inner top. Connecting pipes communicating with the vacuum pump inlet and the top surface of the collection barrel are fixedly mounted on the vacuum pump inlet and the collection barrel, respectively.

[0005] Furthermore, a material collection hopper is provided at the feed inlet.

[0006] Furthermore, the guiding device includes several guide rods, with limit blocks fixedly installed at the upper ends of the guide rods, and the guide rods pass through the movable plate with clearance fit.

[0007] Furthermore, the elastic device is a spring, which is fixedly installed between the movable plates and between the movable plate and the top surface of the vehicle body.

[0008] Furthermore, the fixing device includes a screw, a vertical rail, a rack, and a toothed block. The vertical rail is fixedly installed on both sides of the top surface of the vehicle body. The toothed block is located inside the vertical rail and can slide up and down along it. The screw passes through the toothed block and is threadedly engaged. One end of the screw is fixedly connected to one side of the corresponding movable plate. The rack is fixedly installed on the front and back of the inner wall of the vertical rail.

[0009] Furthermore, a rotating handle is fixedly installed at the other end of the screw.

[0010] Furthermore, the filter bucket and the liquid collection bucket are fixedly equipped with movable handles on their outer periphery.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: 1. This utility model provides a filtration device for pharmaceutical microbial detection. The user aligns the retaining rings on the filter bucket and the collection bucket with their corresponding slots, then pushes the filter bucket and collection bucket backwards to insert them into the slots. The user aligns the connecting pipe on the collection bucket with the connecting pipe on the vacuum pump, and moves the movable plate on which the collection bucket is mounted downwards to connect the connecting pipe on the collection bucket to the connecting pipe on the vacuum pump. Finally, the movable plate on which the collection bucket is mounted is fixed by a fixing device. This method enables the connection between the filter bucket and the collection bucket. Compared with existing technologies, this utility model has a slot on the front side of the movable plate for easy placement and removal of the filter bucket and the collection bucket. Furthermore, the collection bucket has a connecting pipe inside its top, facilitating the connection between the collection bucket and the vacuum pump, making it convenient to use.

[0012] 2. In this utility model example, a filter device for microbial detection of pharmaceuticals has a hopper that can collect the liquid medicine, making it easy to add the liquid medicine into the filter barrel.

[0013] 3. In a pharmaceutical microbial detection filtration device according to this utility model, the guide rod can limit and guide the movable plate, and the limiting block can prevent the movable plate from detaching from the guide rod due to the influence of the elastic device.

[0014] 4. In the example of this utility model, a filter device for detecting microorganisms in pharmaceuticals uses a spring, which is more common than other elastic structures. The spring has a large extension range and is easy to use.

[0015] 5. In this utility model example, a filter device for detecting microorganisms in pharmaceuticals allows the user to rotate a screw, which in turn moves a toothed block left and right, thereby enabling the toothed block to contact or separate from the rack. When the toothed block separates from the rack, the user can move a movable plate up and down to adjust its position. The position of the movable plate can be fixed by the contact and engagement between the toothed block and the rack. This fixing device has a simple structure and is easy to use.

[0016] 6. In the example of this utility model, a filter device for detecting microorganisms in pharmaceuticals has a handle that provides a point of leverage for the user, making it easier for the user to rotate the screw and thus more convenient to use.

[0017] 7. In this utility model example, a filter device for detecting microorganisms in pharmaceuticals has a movable handle that provides a point of leverage for the user, making it easy for the user to move the filter bucket and the collection bucket. Attached Figure Description

[0018] Other features, objects, and advantages of this application will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings: Figure 1 A schematic diagram of the structure of this utility model.

[0019] In the diagram: 1. Vehicle body; 2. Vacuum pump; 3. Filter barrel; 4. Liquid collection barrel; 5. Movable plate; 6. Slot; 7. Collection hopper; 8. Guide rod; 9. Screw; 10. Vertical rail; 11. Rack; 12. Gear block; 13. Rotary handle; 14. Moving handle. Detailed Implementation

[0020] The present application will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the relevant utility model and not intended to limit the scope of the utility model. Furthermore, it should be noted that, for ease of description, only the parts relevant to the utility model are shown in the accompanying drawings.

[0021] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0022] like Figure 1As shown, a filtration device for pharmaceutical microbial detection includes a vehicle body 1. A vacuum pump 2 is fixedly installed on the top surface of the vehicle body 1. A filter tank 3 and a collection tank 4 are arranged above the vacuum pump 2. A filter membrane is fixedly installed inside the filter tank 3, and a feed inlet is opened on the top surface of the filter tank 3. Two movable plates 5 are arranged on the top of the vehicle body 1. Slots 6 are respectively opened on the front side of the movable plates 5. The top and bottom surfaces of the slots 6 are open to the outside. The inner wall of the slots 6 is provided with a groove. Snap rings are fixedly installed on the outer periphery of the filter tank 3 and the collection tank 4. The snap rings can be inserted into the snap rings. A guide device is provided on the vehicle body 1 to guide the movable plates 5. The movable plates 5 are positioned between each other and between the movable plates 5 and the vehicle body 1. An elastic device is provided between the bodies 1. Fixing devices for fixing the movable plate 5 are provided on both sides of the top surface of the body 1. A connecting pipe is fixedly installed on the bottom surface of the filter tank 3 and the liquid collection tank 4. A socket-type water pipe joint is provided at the lower end of the connecting pipe. A sealing ring is provided on the inner wall of the socket-type water pipe joint. The connecting pipes of the filter tank 3 and the liquid collection tank 4 are misaligned. The upper end of the connecting pipe in the filter tank 3 is connected to the bottom of its interior. The upper end of the connecting pipe in the liquid collection tank 4 is connected to the top of its interior. The air inlet of the vacuum pump 2 and the top surface of the liquid collection tank 4 are respectively fixedly installed with connecting pipes that are connected to them. The upper end of the connecting pipe can be connected to and communicate with the socket-type water pipe joint at the lower end of the corresponding connecting pipe. The user aligns the retaining rings on the filter bucket 3 and the collection bucket 4 with the retaining grooves, and then pushes the filter bucket 3 and the collection bucket 4 backward to push them into the slot 6. The user aligns the connecting pipe on the collection bucket 4 with the connecting pipe on the vacuum pump 2, and moves the movable plate 5, on which the collection bucket 4 is mounted, downward to connect the connecting pipe on the collection bucket 4 with the connecting pipe on the vacuum pump 2. Finally, the movable plate 5 on which the collection bucket 4 is mounted is fixed by a fixing device. The connection between the filter bucket 3 and the collection bucket 4 can be achieved in the above manner. Compared with the prior art, this utility model has a slot on the front side of the movable plate 5, which facilitates the placement and removal of the filter bucket 3 and the collection bucket 4. Furthermore, the collection bucket 4 has a connecting pipe inside its top, which facilitates the connection between the collection bucket 4 and the vacuum pump 2, making it convenient to use.

[0023] like Figure 1 As shown, in a further preferred embodiment, a collecting hopper 7 is provided at the feed inlet. The collecting hopper 7 can collect the liquid medicine, making it easier to add the liquid medicine into the filter tank 3.

[0024] like Figure 1 As shown, in a further preferred embodiment, the guiding device includes several guide rods 8, with limit blocks fixedly installed at the upper ends of each guide rod 8. The guide rods 8 pass through the movable plate 5 and are clearance-fitted. The guide rods 8 can limit and guide the movable plate 5, and the limit blocks can prevent the movable plate 5 from detaching from the guide rods 8 due to the influence of the elastic device.

[0025] like Figure 1As shown, in a further preferred embodiment, the elastic device is a spring, which is fixedly installed between the movable plates 5 and between the movable plate 5 and the top surface of the vehicle body 1, with the guide rod 8 passing through the corresponding spring. Springs are more common than other elastic structures, and they have a large range of extension and contraction, making them convenient to use.

[0026] like Figure 1 As shown, in a further preferred embodiment, the fixing device includes a screw 9, a vertical rail 10, a rack 11, and a toothed block 12. The vertical rail 10 has openings on both sides and is fixedly installed on both sides of the top surface of the vehicle body 1. The toothed block 12 is located inside the vertical rail 10 and can slide up and down along it. The screw 9 passes through the toothed block 12 and is threadedly engaged. One end of the screw 9 is fixedly connected to one side of the corresponding movable plate 5. The rack 11 is fixedly installed on the front and rear sides of the inner wall of the vertical rail 10. The user can rotate the screw 9, which can drive the toothed block 12 to move left and right, thereby allowing the toothed block 12 to contact or separate from the rack 11. When the toothed block 12 separates from the rack 11, the user can move the movable plate 5 up and down to adjust its position. By engaging the toothed block 12 with the rack 11, the position of the movable plate 5 can be fixed. This fixing device has a simple structure and is easy to use.

[0027] like Figure 1 As shown, in a further preferred embodiment, a handle 13 is fixedly installed at the other end of the screw 9. The handle 13 provides a point of leverage for the user, making it easier for the user to rotate the screw 9 and making it more convenient to use.

[0028] like Figure 1 As shown, in a further preferred embodiment, a movable handle 14 is fixedly installed on the outer periphery of the filter tank 3 and the collection tank 4. The movable handle 14 provides a point of leverage for the user, making it convenient for the user to move the filter tank 3 and the collection tank 4.

[0029] The above description is merely a preferred embodiment of this application and an explanation of the technical principles employed. Those skilled in the art should understand that the scope of the utility model involved in this application is not limited to the technical solutions formed by specific combinations of the above-described technical features, but should also cover other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the inventive concept. For example, technical solutions formed by substituting the above features with (but not limited to) technical features with similar functions disclosed in this application.

[0030] Apart from the technical features described in the specification, the other technical features are known to those skilled in the art. To highlight the innovative features of this utility model, the other technical features will not be described in detail here.

Claims

1. A filtration device for microbial detection of pharmaceuticals, comprising a vehicle body (1), a vacuum pump (2) fixedly installed on the top surface of the vehicle body (1), a filter barrel (3) and a collection barrel (4) arranged above the vacuum pump (2), a filter membrane fixedly installed inside the filter barrel (3), and a feed inlet opened on the top surface of the filter barrel (3), characterized in that, Two movable plates (5) are provided on the top of the vehicle body (1). Slots (6) are provided on the front side of the movable plates (5). Slots are provided on the inner wall of the slots (6). Snap rings are fixedly installed on the outer periphery of the filter barrel (3) and the liquid collection barrel (4). A guide device is provided on the vehicle body (1) to guide the movable plates (5). Elastic devices are provided between the movable plates (5) and between the movable plates (5) and the vehicle body (1). Fixing devices are provided on both sides of the top surface of the vehicle body (1) to fix the movable plates (5). A connecting pipe is fixedly installed on the bottom surface of the filter barrel (3) and the liquid collection barrel (4). A socket-type water pipe joint is provided at the lower end of the connecting pipe. The upper end of the connecting pipe in the filter barrel (3) is connected to the bottom of its interior. The upper end of the connecting pipe in the liquid collection barrel (4) is connected to the top of its interior. A connecting pipe is fixedly installed on the air inlet of the vacuum pump (2) and the top surface of the liquid collection barrel (4) to connect with it.

2. The filtration device for pharmaceutical microbial detection according to claim 1, characterized in that, A material collection hopper (7) is provided at the feed inlet.

3. The filtration device for pharmaceutical microbial detection according to claim 1, characterized in that, The guiding device includes several guide rods (8), with limit blocks fixedly installed at the upper ends of the guide rods (8), and the guide rods (8) pass through the movable plate (5) and are fitted with clearance.

4. A filtration device for pharmaceutical microbial detection according to any one of claims 1 or 3, characterized in that, The elastic device is a spring, which is fixedly installed between the movable plates (5) and between the movable plates (5) and the top surface of the vehicle body (1).

5. The filtration device for pharmaceutical microbial detection according to claim 1, characterized in that, The fixing device includes a screw (9), a vertical rail (10), a rack (11), and a toothed block (12). The vertical rail (10) is fixedly installed on both sides of the top surface of the vehicle body (1). The toothed block (12) is located inside the vertical rail (10) and can slide up and down along it. The screw (9) passes through the toothed block (12) and is threadedly engaged. One end of the screw (9) is fixedly connected to one side of the corresponding movable plate (5). The rack (11) is fixedly installed on the front and back of the inner wall of the vertical rail (10).

6. The filtration device for pharmaceutical microbial detection according to claim 5, characterized in that, The other end of the screw (9) is fixedly installed with a handle (13).

7. The filtration device for pharmaceutical microbial detection according to claim 1, characterized in that, The filter bucket (3) and the liquid collection bucket (4) are fixedly installed with movable handles (14) on their outer periphery.

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