Filtering device for pharmaceutical equipment

Abstract

The utility model relates to a filter device for pharmaceutical equipment, which belongs to the technical field of pharmacy and comprises a filter cartridge, a filter cleaning mechanism is arranged on the filter cartridge and comprises a filter screen fixedly mounted on the surface of an inner cavity of the filter cartridge, and a filter element is adhered to the surface of the filter screen. Water storage tanks are fixedly mounted on the surfaces of the opposite sides of the filter cartridges, booster water pumps are fixedly mounted in inner cavities of the water storage tanks, and water outlet pipes penetrating through the upper surfaces of the water storage tanks are fixedly mounted at the water outlet ends of the booster water pumps. According to the filtering device for the pharmaceutical equipment, a filtering net and a filtering element are arranged in the filtering cylinder, liquid medicine can be filtered through the filtering net and the filtering element during use, an electric telescopic rod is arranged on the U-shaped fixing frame, a pressing plate is arranged on the electric telescopic rod, and the pressing plate is driven by the electric telescopic rod to extrude the filtering element; the residual liquid medicine in the filter element is discharged, so that the liquid medicine is prevented from remaining in the filter element, and the loss of the liquid medicine in the filtering process can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of pharmaceuticals, in particular to a filtering device for pharmaceutical equipment. Background Art

[0002] Pharmaceutical equipment refers to various machines and devices used in the pharmaceutical industry to produce, process and inspect drugs. The selection and configuration of pharmaceutical equipment usually depends on the specific production process, product type and scale. With the development of technology, pharmaceutical equipment is also constantly innovating to meet the modern pharmaceutical industry's higher requirements for efficiency, precision and safety.

[0003] Announcement No. CN221358742U discloses a filtering device for pharmaceutical equipment, comprising a tank body, support plates fixedly connected to both sides of the top of the tank body, a threaded hole formed in the middle of the top of the support plate, a pressing assembly threadedly connected to the inside of the threaded hole, grooves formed on both sides of the top of the inner wall of the tank body, a filtering assembly clamped inside the groove, a power assembly fixedly connected to the inside of the tank body, and a cleaning assembly fixedly connected to the top of the power assembly. The utility model, through the arrangement of the filtering assembly and the pressing assembly, allows the liquid medicine to be filtered to be poured onto the filter screen in the filter frame during use, allowing impurities in the liquid medicine to be intercepted on the filter screen, and then the threaded column on the support plate is rotated to move the pressing plate downward, thereby squeezing the impurities on the filter screen and squeezing out the liquid medicine from the impurities, thereby achieving the effect of improving resource utilization efficiency.

[0004] The above patent aims to improve the shortcomings of the prior art pharmaceutical equipment filtering device, which is difficult to collect the residual liquid medicine in the impurities during use, resulting in the waste of part of the liquid medicine and low resource utilization; and difficult to clean the residual liquid medicine on the inner wall of the tank body during cleaning, resulting in the device cleaning steps being more cumbersome. The present application provides another implementation plan for the problems raised in the above patent. Utility Model Content

[0005] In response to the shortcomings of the existing technology, the utility model provides a filtering device for pharmaceutical equipment, which has the advantages of reducing the loss during the filtration process of the medicinal liquid and cleaning the inner wall of the tank. It solves the problem that the filtering device for pharmaceutical equipment in the existing technology is difficult to collect the residual medicinal liquid in the impurities during use, resulting in waste of part of the medicinal liquid and low resource utilization; it is difficult to clean the residual medicinal liquid on the inner wall of the tank during cleaning, resulting in more cumbersome cleaning steps of the device.

[0006] To achieve the above-mentioned object, the present utility model provides the following technical solutions: a filtering device for pharmaceutical equipment, comprising a filter cartridge, wherein the filter cartridge is provided with a filtering and cleaning mechanism;

[0007] The filter cleaning mechanism includes a filter screen fixedly mounted on the inner surface of the filter cartridge, a filter core bonded to the surface of the filter screen, a water tank fixedly mounted on the opposite side surface of the filter cartridge, a booster water pump fixedly mounted on the inner cavity of the water tank, a water outlet pipe penetrating to the upper surface of the water tank is fixedly mounted on the water outlet end of the booster water pump, a hollow ring fixedly mounted on the top of the filter cartridge, the water outlet pipe is connected to the hollow ring, the inner surface of the hollow ring is provided with a water outlet hole connected to the interior of the hollow ring, a U-shaped fixing bracket is fixedly mounted on the upper surface of the water tank, an electric telescopic rod is fixedly mounted on the surface of the U-shaped fixing bracket, a pressure plate is fixedly mounted on the bottom of the electric telescopic rod, a liquid permeable hole is provided on the upper surface of the pressure plate, an annular groove is provided on the side surface of the pressure plate, and an annular cleaning brush is sleeved inside the annular groove.

[0008] Furthermore, a drain pipe is fixedly installed at the bottom of the filter cartridge, the drain pipe is communicated with the interior of the filter cartridge, and a drain valve is fixedly installed at the bottom of the drain pipe.

[0009] Furthermore, a liquid injection pipe is fixedly installed on the top surface of the water tank, and the liquid injection pipe is connected to the interior of the water tank.

[0010] Furthermore, the inner shape of the filter cartridge and the outer shape of the pressure plate are both circular, and the inner diameter of the filter cartridge and the outer diameter of the pressure plate are matched.

[0011] Furthermore, there are multiple liquid-permeable holes, and the multiple liquid-permeable holes are evenly distributed on the upper surface of the pressing plate.

[0012] Furthermore, there are multiple water outlet holes, which are evenly distributed on the inner surface of the hollow ring. The water outlet holes are obliquely arranged on the inner surface of the hollow ring, and the inclination direction of the water outlet holes is toward the inside of the filter cartridge.

[0013] Compared with the existing technology, the technical solution of this application has the following beneficial effects:

[0014] 1. The filtering device for pharmaceutical equipment is provided with a filter screen and a filter core in the filter cartridge. When in use, the filter screen and the filter core can filter the medicine liquid. An electric telescopic rod is provided on the U-shaped fixing frame. A pressure plate is provided on the electric telescopic rod. The electric telescopic rod drives the pressure plate to squeeze the filter core so that the residual medicine liquid in the filter core is discharged, which is beneficial to prevent the medicine liquid from remaining in the filter core and can reduce the loss during the medicine liquid filtration process. It solves the problem that the filtering device for pharmaceutical equipment in the prior art is difficult to collect the medicine liquid remaining in the impurities when in use, resulting in the waste of part of the medicine liquid and low resource utilization; and it is difficult to clean the residual medicine liquid on the inner wall of the tank body during cleaning, resulting in the cumbersome cleaning steps of the device.

[0015] 2. The filtering device for pharmaceutical equipment is provided with a hollow ring and a water storage tank on the filter cylinder, and an annular cleaning brush is provided on the pressure plate, so that the inside of the filter cylinder can be cleaned after the liquid medicine is filtered. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the filter cartridge of the utility model;

[0018] Figure 3 This is a schematic diagram of the internal structure of the water storage tank of the utility model;

[0019] Figure 4 This is a schematic diagram of the pressing plate structure of the utility model.

[0020] In the figure: 1. Filter cartridge; 2. Filter screen; 3. Filter element; 4. Water storage tank; 5. Booster pump; 6. Water outlet pipe; 7. Hollow ring; 8. Water outlet hole; 9. U-shaped fixing bracket; 10. Electric telescopic rod; 11. Pressing plate; 12. Liquid permeable hole; 13. Annular groove; 14. Annular cleaning brush; 15. Drain pipe; 16. Drain valve; 17. Injection pipe. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figures 1 to 4, a filtering device for pharmaceutical equipment in this embodiment includes a filter cartridge 1, a drain pipe 15 is fixedly installed at the bottom of the filter cartridge 1, the drain pipe 15 is connected to the inside of the filter cartridge 1, a drain valve 16 is fixedly installed at the bottom of the drain pipe 15, and a filter cleaning mechanism is provided on the filter cartridge 1, and the filter cleaning mechanism includes a filter screen 2 fixedly installed on the inner surface of the filter cartridge 1, a filter core 3 is bonded to the surface of the filter screen 2, a water storage tank 4 is fixedly installed on the opposite side surface of the filter cartridge 1, and an injection pipe 17 is fixedly installed on the top surface of the water storage tank 4, and the injection pipe 17 is connected to the inside of the water storage tank 4 to facilitate the injection of cleaning liquid into the water storage tank 4, a booster water pump 5 is fixedly installed in the inner cavity of the water storage tank 4, and the water outlet end of the booster water pump 5 is fixedly installed with an outlet pipe 6 that runs through the upper surface of the water storage tank 4. It is equipped with a hollow ring 7, the outlet pipe 6 is connected to the hollow ring 7, the inner surface of the hollow ring 7 is provided with a water outlet hole 8 connected to the inside of the hollow ring 7, a U-shaped fixing frame 9 is fixedly installed on the upper surface of the water tank 4, an electric telescopic rod 10 is fixedly installed on the surface of the U-shaped fixing frame 9, a pressure plate 11 is fixedly installed on the bottom of the electric telescopic rod 10, the internal shape of the filter cartridge 1 and the external shape of the pressure plate 11 are both circular, the internal diameter of the filter cartridge 1 and the external diameter of the pressure plate 11 are adapted to facilitate the pressure plate 11 to enter the interior of the filter cartridge 1 and telescopically move inside the filter cartridge 1, a liquid permeable hole 12 is provided on the upper surface of the pressure plate 11, the number of the liquid permeable holes 12 is multiple, and the multiple liquid permeable holes 12 are evenly distributed on the upper surface of the pressure plate 11, an annular groove 13 is provided on the side surface of the pressure plate 11, and an annular cleaning brush 14 is sleeved inside the annular groove 13.

[0023] There are multiple water outlet holes 8, which are evenly distributed on the inner surface of the hollow ring 7. The water outlet holes 8 are inclined on the inner surface of the hollow ring 7, and the inclined direction of the water outlet holes 8 is toward the inside of the filter tube 1, so that the cleaning liquid in the hollow ring 7 is sprayed on the inner wall of the filter tube 1 in an inclined state, which helps to prevent the cleaning liquid from spilling.

[0024] It should be noted that the filter element 3 in this embodiment is made of filter cotton.

[0025] The working principle of the above embodiment is:

[0026] When in use, the pressure plate 11 is driven downward by the electric telescopic rod 10 to make the pressure plate 11 contact with the filter element 3, and the medicine to be filtered is poured into the filter cartridge 1, and the larger impurities in the medicine are filtered through the pressure plate 11 and the liquid hole 12. The medicine passes through the pressure plate 11 through the liquid permeable hole 12 and contacts the filter screen 2 and the filter element 3, and the medicine is filtered by the filter screen 2 and the filter element 3. After filtration, the pressure plate 11 is driven downward by the electric telescopic rod 10 to squeeze the filter element 3 so that the residual medicine in the filter element 3 is discharged, and the booster water pump 5 is started. The cleaning liquid in the water storage tank 4 is sent into the hollow ring 7 through the water outlet pipe 6 by the booster water pump 5. The cleaning liquid in the hollow ring 7 is sprayed on the inner wall of the filter cartridge 1 through the water outlet hole 8 in an inclined state. The electric telescopic rod 10 is started, and the pressure plate 11 and the annular cleaning brush 14 are driven by the electric telescopic rod 10 to move back and forth inside the filter cartridge 1, and the inner wall of the filter cartridge 1 is cleaned by the annular cleaning brush 14.

[0027] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

[0028] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A filtering device for pharmaceutical equipment, comprising a filter cartridge (1), characterized in that: The filter cartridge (1) is provided with a filtering and cleaning mechanism; The filtering and cleaning mechanism comprises a filter screen (2) fixedly mounted on the inner surface of the filter cartridge (1), a filter core (3) being bonded to the surface of the filter screen (2), a water storage tank (4) being fixedly mounted on the opposite side surface of the filter cartridge (1), a booster water pump (5) being fixedly mounted in the inner cavity of the water storage tank (4), a water outlet pipe (6) penetrating to the upper surface of the water storage tank (4) being fixedly mounted on the outlet end of the booster water pump (5), a hollow ring (7) being fixedly mounted on the top of the filter cartridge (1), and the water outlet pipe (6) being connected to the hollow ring (7). The inner surface of the hollow ring (7) is provided with a water outlet hole (8) which is connected with the interior of the hollow ring (7); the upper surface of the water storage tank (4) is fixedly mounted with a U-shaped fixing frame (9); the surface of the U-shaped fixing frame (9) is fixedly mounted with an electric telescopic rod (10); the bottom of the electric telescopic rod (10) is fixedly mounted with a pressing plate (11); the upper surface of the pressing plate (11) is provided with a liquid permeable hole (12); the side surface of the pressing plate (11) is provided with an annular groove (13); the inside of the annular groove (13) is sleeved with an annular cleaning brush (14).

2. A filter device for pharmaceutical equipment according to claim 1, characterized in that: A drain pipe (15) is fixedly mounted on the bottom of the filter cartridge (1), the drain pipe (15) is communicated with the interior of the filter cartridge (1), and a drain valve (16) is fixedly mounted on the bottom of the drain pipe (15).

3. The filter device for pharmaceutical equipment according to claim 1, characterized in that: A liquid injection pipe (17) is fixedly mounted on the top surface of the water storage tank (4), and the liquid injection pipe (17) is communicated with the interior of the water storage tank (4).

4. The filter device for pharmaceutical equipment according to claim 1, characterized in that: The internal shape of the filter cartridge (1) and the external shape of the pressing plate (11) are both circular, and the internal diameter of the filter cartridge (1) and the external diameter of the pressing plate (11) are matched.

5. The filter device for pharmaceutical equipment according to claim 1, characterized in that: There are a plurality of liquid-permeable holes (12), and the plurality of liquid-permeable holes (12) are evenly distributed on the upper surface of the pressing plate (11).

6. The filter device for pharmaceutical equipment according to claim 1, characterized in that: There are multiple water outlet holes (8), and the multiple water outlet holes (8) are evenly distributed on the inner surface of the hollow ring (7). The water outlet holes (8) are inclined on the inner surface of the hollow ring (7), and the inclined direction of the water outlet holes (8) is toward the inside of the filter cartridge (1).

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