CN219848594U

CN219848594U - Sterile filter device

Info

Publication number: CN219848594U
Application number: CN202321290191.0U
Authority: CN
Inventors: 高昌; 战帅帅
Original assignee: Beijing Jinghua Medical Technology Co ltd
Current assignee: Beijing Jinghua Medical Technology Co ltd
Priority date: 2023-05-25
Filing date: 2023-05-25
Publication date: 2023-10-20
Anticipated expiration: 2033-05-25

Abstract

The utility model discloses a sterile filter device, which comprises a first filter assembly, wherein the first filter assembly comprises a shell, a first air inlet and a first air outlet are formed in the shell, a mounting plate is fixedly connected in the shell, a filter core is detachably connected on the mounting plate, and the first air inlet is communicated with the filter core; the second filtering component comprises a filtering tank, a second exhaust port, a liquid inlet, a liquid outlet and a plurality of second air inlets are formed in the filtering tank, the first exhaust port is communicated with the second air inlets, the filtering tank is used for feeding hydrogen peroxide through the liquid inlet, the plurality of second air inlets are located below the hydrogen peroxide liquid level, the second exhaust port is located at the top end of the filtering tank, a liquid outlet pipe is arranged on the liquid outlet pipe, and a valve is arranged on the liquid outlet pipe. The device not only can filter impurities, particles and the like in the air, but also can further disinfect the filtered air, reduce the content of bacteria and meet the use requirement.

Description

Sterile filter device

Technical Field

The utility model relates to the technical field of filtering equipment, in particular to a sterile filtering device.

Background

The whole product is filled and sealed in a sterile environment in the sterile filling process, and harmful substances such as bacteria, dust particles and the like are contained in the air, so that the air entering filling equipment needs to be subjected to sterile treatment, and the pollution to the product is avoided.

The patent with the publication number of CN210206248U discloses a sterile air filtering device, which comprises a housing body, wherein an air inlet pipe and an air outlet pipe are arranged on the housing body, the air inlet pipe and the air outlet pipe are communicated with the inner cavity of the housing body, a connecting pipe is arranged in the housing body, one end of the connecting pipe is connected with the air outlet pipe, and the other end of the connecting pipe is connected with the air outlet end of the filter element through a second locking piece.

The device can realize the filtration of air, but the bacteria in the air can not be filtered due to the fact that only the filter element is used for filtering the air, and products are easy to pollute in the process after entering the process, so that the sterile filter device is provided for solving the problems.

Disclosure of Invention

The object of the present utility model is to provide a sterile filter device which solves the above problems of the prior art, not only filters impurities or particles in the air, but also reduces the bacterial content of the air.

In order to achieve the above object, the present utility model provides the following solutions: the present utility model provides an aseptic filtration device comprising:

the first filter assembly comprises a shell, a first air inlet and a first air outlet are formed in the shell, a mounting plate is fixedly connected in the shell, a filter core is detachably connected to the mounting plate, and the first air inlet is communicated with the filter core;

the second filter assembly comprises a filter tank, a second exhaust port, a liquid inlet, a liquid outlet and a plurality of second air inlets are formed in the filter tank, the first exhaust port is communicated with the second air inlets, the filter tank is used for feeding hydrogen peroxide through the liquid inlet, a plurality of second air inlets are located below the hydrogen peroxide liquid level, the second exhaust port is located at the top end of the filter tank, a liquid outlet pipe is arranged on the liquid outlet pipe, and a valve is arranged on the liquid outlet pipe.

Preferably, the first air pipe is fixedly connected to the first air outlet, the first air pipe is far away from one end of the first air outlet and is fixedly connected with a plurality of branch pipes, the branch pipes are communicated with the first air pipe, the branch pipes extend into the filter tank through the second air inlet, the branch pipes are sealed with the second air inlet, a plurality of air dispersing holes are formed in the branch pipes, and the air dispersing holes are located in the filter tank.

Preferably, the filter tank is provided with a pressure gauge and a liquid level gauge, the liquid inlet is provided with a liquid inlet pipe, the liquid inlet pipe is provided with an electromagnetic valve, and the first air pipe is provided with a one-way valve.

Preferably, the shell comprises an upper section, a middle section and a lower section, wherein the upper section is detachably connected with the middle section, the middle section is detachably connected with the lower section, a first air inlet is formed in the lower section, a first air outlet is formed in the middle section, a second air pipe is fixedly connected to the first air inlet, the second air pipe is communicated with the filter core, and a stabilizing mechanism is arranged in the upper section and used for fixing the filter core.

Preferably, the mounting plate is provided with a clamping groove, the filter core is clamped in the clamping groove, the side wall of the clamping groove is provided with a plurality of annular grooves, a rubber ring is placed in each annular groove, the filter core is abutted to the rubber ring, the bottom surface of the clamping groove is provided with a through hole, the through hole is communicated with the second air pipe, and the second air pipe is fixedly connected to the mounting plate.

Preferably, the stabilizing mechanism comprises a plurality of fixed barrels, fixed barrel fixed connection is in the upper segment inside wall, fixed barrel is kept away from upper segment one end fixedly connected with keeps off the ring, wear to be equipped with branch in the keeping off the ring, fixedly connected with slider on the branch, the slider is located in the fixed barrel, the slider is in slide setting in the fixed barrel, be provided with the spring in the fixed barrel, the spring both ends respectively with slider with upper segment butt, branch keep away from slider one end fixedly connected with arc, the arc with filter core butt, upper segment fixedly connected with rubber briquetting, rubber briquetting with filter core butt.

Preferably, the upper section, the middle section and the lower section are fixedly connected with flanges, a plurality of connecting holes are formed in the flanges, screws penetrate through the connecting holes, and nuts are connected with the screws in a threaded mode.

Preferably, the bottom surface of the lower section is fixedly connected with a plurality of supporting legs, and the filtering tank is fixedly connected with a base.

The utility model discloses the following technical effects: in this device, first air inlet is used for just admitting air, the filter core is used for filtering the air, air with pressure gets into from first air inlet, after filtering through the filter core, discharge from first gas vent, enter into the filtration jar through the second air inlet, the hydrogen peroxide is equipped with in the filtration jar, the air is through the disinfection of hydrogen peroxide, the content of bacterium in the further reduction air, the second gas vent discharge on top is followed to the air that passes through disinfection filtration, this device not only can filter impurity in the air, granule etc. can also be to the further disinfection of air after filtering, reduce the content of bacterium, satisfy the operation requirement.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a sterile filter device according to the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1;

wherein, 1, the shell; 2. a first exhaust port; 3. a mounting plate; 4. a filter element; 5. a filter tank; 6. a second exhaust port; 7. a liquid inlet; 8. a liquid outlet; 9. a liquid discharge pipe; 10. a valve; 11. a first air tube; 12. a branch pipe; 13. air dispersing holes; 14. a pressure gauge; 15. a liquid level gauge; 16. a liquid inlet pipe; 17. an electromagnetic valve; 18. a one-way valve; 19. an upper section; 20. a middle section; 21. a lower section; 22. a second air pipe; 23. a rubber ring; 24. a fixed cylinder; 25. a baffle ring; 26. a support rod; 27. a slide block; 28. a spring; 29. an arc-shaped plate; 30. a rubber briquetting; 31. a flange; 32. a screw; 33. a support leg; 34. and (5) a base.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

Referring to fig. 1-2, the present utility model provides a sterile filtration device comprising:

the first filter component comprises a shell 1, a first air inlet and a first air outlet 2 are formed in the shell 1, a mounting plate 3 is fixedly connected in the shell 1, a filter core 4 is detachably connected to the mounting plate 3, and the first air inlet is communicated with the filter core 4.

The first air inlet is used for taking air in, the filter core 4 is used for filtering air, the mounting plate 3 is used for mounting the filter core 4, air with pressure enters from the first air inlet, and after being filtered by the filter core 4, the air is discharged from the first air outlet 2.

The second filtering component comprises a filtering tank 5, a second exhaust port 6, a liquid inlet 7, a liquid outlet 8 and a plurality of second air inlets are formed in the filtering tank 5, the first exhaust port 2 is communicated with the second air inlets, the filtering tank 5 is used for feeding hydrogen peroxide through the liquid inlet 7, the plurality of second air inlets are located below the hydrogen peroxide liquid level, the second exhaust port 6 is located at the top end of the filtering tank 5, a liquid outlet 9 is arranged on the liquid outlet 8, and a valve 10 is arranged on the liquid outlet 9.

The filtered air enters the filter tank 5 from the second air inlet, hydrogen peroxide is filled in the filter tank 5, the air is disinfected by the hydrogen peroxide, the content of bacteria in the air is further reduced, the disinfected and filtered air is discharged from the second air outlet 6 at the top end and can be used for subsequent use, the liquid discharge pipe 9 is used for discharging the hydrogen peroxide which needs to be replaced, and the opening or closing of the liquid discharge pipe 9 can be controlled by the valve 10.

Further optimizing scheme, fixedly connected with first gas tube 11 on the first gas vent 2, first gas tube 11 keep away from first gas vent 2 one end fixedly connected with a plurality of branch pipes 12, branch pipe 12 and first gas tube 11 intercommunication, branch pipe 12 stretch into in the filtration jar 5 through the second air inlet, seal arrangement between branch pipe 12 and the second air inlet, set up a plurality of air vents 13 on the branch pipe 12, a plurality of air vents 13 are located filtration jar 5.

The air filtered by the filter element 4 enters the first air pipe 11, then enters the plurality of branch pipes 12 from the first air pipe 11, and finally enters the hydrogen peroxide solution for disinfection through the plurality of air dispersing holes 13 on the branch pipes 12.

In a further optimization scheme, a pressure gauge 14 and a liquid level gauge 15 are arranged on the filter tank 5, a liquid inlet pipe 16 is arranged on the liquid inlet 7, an electromagnetic valve 17 is arranged on the liquid inlet pipe 16, and a one-way valve 18 is arranged on the first air pipe 11.

The pressure gauge 14 is used for measuring the pressure inside the filter tank 5, so that the pressure is in a safe range, the liquid level gauge 15 is used for measuring the liquid level of the hydrogen peroxide in the filter tank 5, so that the hydrogen peroxide is at a proper level, and the one-way valve 18 can prevent the hydrogen peroxide from flowing into the shell 1 through the first air pipe 11.

Further optimizing scheme, shell 1 includes upper segment 19, middle section 20 and hypomere 21, and upper segment 19 can dismantle with middle section 20 and be connected, and middle section 20 can dismantle with hypomere 21 and be connected, and first air inlet is seted up on hypomere 21, and first gas vent 2 is seted up on middle section 20, fixedly connected with second trachea 22 on the first air inlet, second trachea 22 and filter core 4 intercommunication are provided with stabilizing mean in the upper segment 19, and stabilizing mean is used for fixed filter core 4.

The upper segment 19, the middle segment 20 and the lower segment 21 are all detachably connected, the scheme is used for replacing the filter element 4 and cleaning the inside of the shell 1, the filter element 4 is installed on the mounting plate 3, the filter element 4 is fixed through the stabilizing mechanism, the filter element 4 is prevented from shaking, the second air pipe 22 and the first air inlet are hermetically arranged, and external air is prevented from entering the lower segment 21.

Further optimizing scheme has offered the draw-in groove on the mounting panel 3, and filter core 4 joint has offered a plurality of ring channels on the draw-in groove lateral wall in the draw-in groove, has placed rubber circle 23 in the ring channel, and filter core 4 and rubber circle 23 butt have offered the through-hole at the draw-in groove bottom, and the through-hole communicates with second trachea 22, and second trachea 22 fixed connection is on mounting panel 3.

The filter core 4 is clamped in the clamping groove, the rubber ring 23 improves the tightness between the filter core 4 and the clamping groove, and air with pressure enters the second air pipe 22 and then enters the filter core 4 for filtering through the through hole.

Further optimizing scheme, firm mechanism includes a plurality of fixed barrels 24, fixed barrel 24 fixed connection is in upper segment 19 inside wall, fixed barrel 24 keeps away from upper segment 19 one end fixedly connected with baffle ring 25, wear to be equipped with branch 26 in the baffle ring 25, fixedly connected with slider 27 on the branch 26, slider 27 is located fixed barrel 24, slider 27 slides in fixed barrel 24 and sets up, be provided with spring 28 in the fixed barrel 24, spring 28 both ends respectively with slider 27 and upper segment 19 butt, branch 26 is kept away from slider 27 one end fixedly connected with arc 29, arc 29 and filter core 4 butt, upper segment 19 fixedly connected with rubber briquetting 30, rubber briquetting 30 and filter core 4 butt.

When installing filter core 4, insert the draw-in groove back with filter core 4, when connecting upper segment and middle section, put filter core 4 between a plurality of arc 29, make arc 29 clip filter core 4, arc 29 drives branch 26 outside removal this moment, branch 26 drives slider 27 and removes in fixed section of thick bamboo 24, can compress spring 28 when slider 27 removes, therefore a plurality of arcs 29 can form certain clamping force to filter core 4, rubber briquetting 30 can push down filter core 4, make filter core 4 stable in the draw-in groove.

Further optimizing scheme, all fixedly connected with flange 31 on upper segment 19, middle section 20 and the hypomere 21, offered a plurality of connecting holes on the flange 31, wear to be equipped with screw 32 in the connecting hole, screw 32 threaded connection has the nut.

The upper section 19 and the middle section 20 and the lower section 21 are connected through screws 32, so that the assembly and the disassembly are more convenient.

Further optimizing scheme, the bottom surface of lower segment 21 is fixedly connected with a plurality of landing legs 33, is fixedly connected with base 34 on the filtration jar 5.

A number of legs 33 are provided for supporting the lower section 21 and a base 34 is provided for supporting the filter canister 5.

The working principle of the device is that gas with pressure enters the filter core 4 through the second air pipe 22 to be filtered, the filtered air enters the branch pipes 12 from the first air pipe 11, and then enters hydrogen peroxide through the air dispersing holes 13 on the branch pipes 12 to be disinfected, so that the content of bacteria in the air is further reduced, and the disinfected and filtered air is discharged from the second air outlet 6 at the top end. When the filter element 4 needs to be replaced, the screws 32 and nuts of the flange 31 for scattering the girls can be detached, the upper section 19, the middle section 20 and the lower section 21 are separated, the old filter element 4 is removed, after the new filter element 4 is inserted into the clamping groove, the filter element 4 is placed between the arc plates 29 when the upper section and the middle section are connected, the arc plates 29 clamp the filter element 4, at the moment, the arc plates 29 drive the support rods 26 to move outwards, the support rods 26 drive the sliding blocks 27 to move in the fixed cylinders 24, the springs 28 are compressed when the sliding blocks 27 move, so that a certain clamping force is formed on the filter element 4 by the arc plates 29, and the rubber press blocks 30 downwards press the filter element 4, so that the filter element 4 is stably positioned in the clamping groove.

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.

Claims

1. A sterile filter device, comprising:

the filter comprises a first filter assembly, wherein the first filter assembly comprises a shell (1), a first air inlet and a first air outlet (2) are formed in the shell (1), a mounting plate (3) is fixedly connected in the shell (1), a filter core (4) is detachably connected to the mounting plate (3), and the first air inlet is communicated with the filter core (4);

the second filter component comprises a filter tank (5), a second exhaust port (6), a liquid inlet (7), a liquid outlet (8) and a plurality of second air inlets are formed in the filter tank (5), the first exhaust port (2) is communicated with the second air inlets, the filter tank (5) is used for feeding hydrogen peroxide through the liquid inlet (7), a plurality of second air inlets are located below the hydrogen peroxide liquid level, the second exhaust port (6) is located at the top end of the filter tank (5), a liquid outlet pipe (9) is arranged on the liquid outlet (8), and a valve (10) is arranged on the liquid outlet pipe (9).

2. A sterile filtration device according to claim 1 wherein: fixedly connected with first gas tube (11) on first gas vent (2), first trachea (11) are kept away from first gas vent (2) one end fixedly connected with a plurality of branch pipes (12), branch pipe (12) with first gas tube (11) intercommunication, branch pipe (12) are passed through the second air inlet stretches into in filtering jar (5), branch pipe (12) with seal arrangement between the second air inlet, a plurality of air vents (13) have been seted up on branch pipe (12), a plurality of air vents (13) are located in filtering jar (5).

3. A sterile filtration device according to claim 2, wherein: install manometer (14) and level gauge (15) on filtration jar (5), install feed liquor pipe (16) on inlet (7), install solenoid valve (17) on feed liquor pipe (16), install check valve (18) on first trachea (11).

4. A sterile filtration device according to claim 1 wherein: the shell (1) comprises an upper section (19), a middle section (20) and a lower section (21), wherein the upper section (19) is detachably connected with the middle section (20), the middle section (20) is detachably connected with the lower section (21), a first air inlet is formed in the lower section (21), a first air outlet (2) is formed in the middle section (20), a second air pipe (22) is fixedly connected to the first air inlet, the second air pipe (22) is communicated with the filter core (4), and a stabilizing mechanism is arranged in the upper section (19) and used for fixing the filter core (4).

5. The sterile filtration device according to claim 4, wherein: the utility model discloses a filter cartridge, including mounting panel (3) and filter core (4), filter core (4) joint is in the draw-in groove, a plurality of ring channels have been seted up on the draw-in groove lateral wall, rubber circle (23) have been placed in the ring channel, filter core (4) with rubber circle (23) butt, the through-hole has been seted up to the draw-in groove bottom, the through-hole with second trachea (22) intercommunication, second trachea (22) fixed connection is in on mounting panel (3).

6. The sterile filtration device according to claim 5, wherein: the utility model provides a stabilizing mean includes a plurality of fixed section of thick bamboo (24), fixed section of thick bamboo (24) fixed connection is in upper segment (19) inside wall, fixed section of thick bamboo (24) are kept away from upper segment (19) one end fixedly connected with keeps off ring (25), wear to be equipped with branch (26) in keeping off ring (25), fixedly connected with slider (27) on branch (26), slider (27) are located in fixed section of thick bamboo (24), slider (27) are in fixed section of thick bamboo (24) sliding arrangement, be provided with spring (28) in fixed section of thick bamboo (24), spring (28) both ends respectively with slider (27) with upper segment (19) butt, branch (26) are kept away from slider (27) one end fixedly connected with arc (29), arc (29) with filter core (4) butt, upper segment (19) fixedly connected with rubber briquetting (30), rubber briquetting (30) with filter core (4) butt.

7. The sterile filtration device according to claim 4, wherein: the upper section (19), the middle section (20) and the lower section (21) are fixedly connected with flanges (31), a plurality of connecting holes are formed in the flanges (31), screws (32) are arranged in the connecting holes in a penetrating mode, and nuts are connected with the screws (32) in a threaded mode.

8. The sterile filtration device according to claim 4, wherein: the bottom surface of the lower section (21) is fixedly connected with a plurality of supporting legs (33), and the filtering tank (5) is fixedly connected with a base (34).