Sterile room filter

Abstract

The utility model relates to the technical field of filters, and discloses a sterile room filter which comprises a shell, a fan is mounted on the inner wall of the shell, a filter assembly is mounted on the inner wall of the shell, and the filter assembly comprises a maintenance plate, a primary-efficiency filter layer, a medium-efficiency filter layer and a high-efficiency filter layer. The primary-efficiency filtering layer, the medium-efficiency filtering layer and the high-efficiency filtering layer are sequentially distributed at equal intervals from right to left, the primary-efficiency filtering layer, the medium-efficiency filtering layer and the high-efficiency filtering layer are detachably installed on the outer wall of the bottom of the maintenance plate through screws, and the maintenance plate is installed on the outer wall of the top of the shell in an embedded mode. And a multi-stage filtering structure is adopted, so that microorganisms such as bacteria and viruses in air can be effectively removed, and the cleanliness of the sterile room is ensured.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of filters, in particular to a sterile room filter. BACKGROUND

[0002] A sterile room is an important place in various scientific experiments, pharmaceutical production, food processing and the like, and the environmental cleanliness directly affects product quality and experimental results. The existing sterile room filter still has room for improvement in filtering efficiency, service life and maintenance convenience, and therefore, the application provides a sterile room filter to solve the above problems. CONTENT OF THE UTILITY MODEL

[0003] In order to solve the problem that the existing sterile room filter still has room for improvement in filtering efficiency, service life and maintenance convenience, the application provides a sterile room filter.

[0004] The sterile room filter provided by the application adopts the following technical scheme:

[0005] A sterile room filter comprises a shell, a fan is mounted on the inner wall of the shell, and a filter assembly is mounted on the inner wall of the shell.

[0006] The filter assembly comprises a maintenance plate, a primary efficiency filter layer, a medium efficiency filter layer and a high efficiency filter layer, the primary efficiency filter layer, the medium efficiency filter layer and the high efficiency filter layer are distributed at equal intervals from right to left, the primary efficiency filter layer, the medium efficiency filter layer and the high efficiency filter layer are all mounted on the bottom outer wall of the maintenance plate, and the maintenance plate is embeddedly mounted on the top outer wall of the shell.

[0007] A quick release mechanism for facilitating disassembly and assembly of the filter assembly is mounted on the outer wall of the maintenance plate and the shell, the quick release mechanism comprises a frame fixedly connected to the outer walls on both sides of the shell, two sliding rods are fixedly connected to the inner wall of the frame, two movable plates are slidingly connected to the outer wall of the two sliding rods, a clamping block is fixedly connected to the outer wall of the middle section of one side of the movable plate facing the shell, a spring is sleeved on the outer wall of the sliding rod, and the spring is located between the movable plate and the frame.

[0008] Preferably, the quick release mechanism further comprises two buckles fixedly connected to the top outer wall of the maintenance plate, the two buckles correspond to the two frames, a clamping hole is formed in the outer wall of the buckle, and the clamping hole is matched with the clamping block in clamping connection.

[0009] Preferably, two pad blocks are fixedly connected to the outer walls on both sides of the shell, and the pad blocks are fixedly connected to one end of the sliding rod away from the frame.

[0010] Preferably, a pushing block is fixedly connected to the top middle outer wall of each of the two movable plates.

[0011] Preferably, a handle is fixedly connected to the top middle outer wall of the maintenance plate.

[0012] Preferably, the two side walls of the shell are respectively provided with an air outlet and an air inlet, and the fan is close to the air inlet.

[0013] To sum up, the present application has the following beneficial technical effects:

[0014] 1. By setting the filter assembly, adopting a multi-stage filtering structure, bacteria, viruses and other microorganisms in the air can be effectively removed, ensuring the cleanliness of the sterile room;

[0015] 2. By setting the quick release mechanism, the filter assembly can be quickly disassembled, which facilitates users to replace the filter assembly and perform daily maintenance, thereby reducing maintenance costs. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a schematic diagram of the whole application embodiment;

[0017] Figure 2 is an internal cross-sectional view of the application embodiment;

[0018] Figure 3 is a partial cross-sectional view of the application embodiment;

[0019] Figure 4 is Figure 3 an enlarged schematic view of structure A in the middle.

[0020] BRIEF DESCRIPTION OF DRAWINGS: 1, shell; 2, air outlet; 3, maintenance plate; 4, primary filter layer; 5, medium filter layer; 6, high-efficiency filter layer; 7, handle; 8, fan; 9, air inlet; 10, buckle; 11, clamping hole; 12, cushion block; 13, sliding rod; 14, frame; 15, movable plate; 16, clamping block; 17, spring; 18, push block. DETAILED DESCRIPTION

[0021] The following will be described in detail in combination with the accompanying Figures 1-4 The application will be further described in detail.

[0022] The application embodiment discloses a sterile room filter. Referring to Figures 1-4 A sterile room filter, comprising a shell 1, a fan 8 mounted on the inner wall of the shell 1, and a filter assembly mounted on the inner wall of the shell 1;

[0023] The filter assembly comprises a maintenance plate 3, a primary filter layer 4, a medium filter layer 5, and a high-efficiency filter layer 6. The primary filter layer 4, the medium filter layer 5, and the high-efficiency filter layer 6 are distributed at equal intervals from right to left. The primary filter layer 4, the medium filter layer 5, and the high-efficiency filter layer 6 are all detachably mounted on the bottom outer wall of the maintenance plate 3 through screws. The maintenance plate 3 is embeddedly mounted on the top outer wall of the shell 1.

[0024] The quick release mechanism for conveniently disassembling the filter assembly is mounted on the outer wall of the maintenance plate 3 and the shell 1, and comprises two frames 14 fixedly connected to the outer walls on both sides of the shell 1, two sliding rods 13 fixedly connected to the inner walls of the frames 14, two movable plates 15 slidingly connected to the outer walls of the sliding rods 13, clamping blocks 16 fixedly connected to the middle outer walls on one side of the shell 1 towards the movable plates 15, and springs 17 sleeved on the outer walls of the sliding rods 13 and located between the movable plates 15 and the frames 14.

[0025] The quick release mechanism further comprises two buckles 10 fixedly connected to the top outer walls of the maintenance plate 3, the two buckles 10 corresponding to the two frames 14, and clamping holes 11 formed in the outer walls of the buckles 10 and adapted to clamp the clamping blocks 16.

[0026] The outer walls on both sides of the shell 1 are fixedly connected with two pads 12, the pads 12 are fixedly connected to the ends of the sliding rods 13 away from the frames 14, and the pads 12 and the buckles 10 are located on the same surface of the shell 1, so that when the movable plates 15 are attached to the pads 12, the movable plates 15 can just drive the clamping blocks 16 to clamp the clamping holes 11, thereby preventing the movable plates 15 from being attached to the shell 1 and hindering the clamping of the clamping blocks 16 and the clamping holes 11.

[0027] The top middle outer walls of the two movable plates 15 are fixedly connected with two knobs 18, and manual operation of the knobs 18 can drive the movable plates 15 to slide on the outer walls of the two sliding rods 13.

[0028] The top middle outer wall of the maintenance plate 3 is fixedly connected with a handle 7, and the handle 7 is convenient for holding and moving the maintenance plate 3.

[0029] The outer walls on both sides of the shell 1 are respectively provided with an air outlet 2 and an air inlet 9, the air inlet 9 is used for air intake, the air outlet 2 is used for discharging filtered air, and the fan 8 is close to the air inlet 9.

[0030] The implementation principle of the sterile room filter according to the embodiment of the application is as follows: when the filter is used, the shell 1 can be embedded on a wall or a roof, or directly used, the fan 8 is started, external air is introduced into the shell 1 from the air inlet 9, and the air will be filtered by the filter assembly, the primary efficiency filter layer 4 is used for filtering large particles and dust, thereby prolonging the service life of the subsequent filter layers, the medium efficiency filter layer 5 further removes small particles in the air, thereby improving the filtering efficiency, the high efficiency filter layer 6 adopts HEPA or ULPA level filter material, can effectively filter out bacteria, viruses and other microorganisms in the air, thereby ensuring the cleanliness of the sterile room, and the filtered clean air is discharged through the air outlet 2.

[0031] When the filter assembly is saturated, the two blocks 18 are moved outward through the quick release mechanism, and the two movable plates 15 are moved away from each other on the outer walls of the plurality of slide rods 13, so that the clamping blocks 16 are separated from the clamping holes 11 through the movable plates 15, the locking of the two buckles 10 is released, the hand-held handle 7 is pulled upward, and the primary filter layer 4, the medium filter layer 5 and the high-efficiency filter layer 6 can be pulled out of the shell 1 through the maintenance plate 3, so that the replacement or maintenance can be facilitated.

[0032] When installing, the maintenance plate 3 and the filter assembly at the bottom thereof are inserted into the shell 1 through the handle 7, and the maintenance plate 3 is embedded on the upper surface of the shell 1, in this process, the two buckles 10 are in contact with the two clamping blocks 16, the two buckles 10 can easily extrude the two clamping blocks 16 outward through the inclined surface at the end of the clamping block 16, the two clamping blocks 16 push the two movable plates 15 to move away from each other on the outer walls of the plurality of slide rods 13, at this time, the two movable plates 15 are extruded on the plurality of springs 17 in cooperation with the two frames 14, the spring 17 is deformed to generate elastic force, when the maintenance plate 3 is embedded in the shell 1, the clamping hole 11 on the outer wall of the buckle 10 is aligned with the clamping block 16, the outer wall of the buckle 10 is no longer in contact with the clamping block 16, and the movable plate 15 is reset under the action of the elastic force of the plurality of springs 17, the two movable plates 15 drive the two clamping blocks 16 to move close to each other, the clamping block 16 is clamped in the clamping hole 11, the two buckles 10 are locked, and the maintenance plate 3 is fixed, so that the installation of the filter assembly is completed.

[0033] Finally, it should be pointed out that in the description of the present application, unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0034] Secondly: the utility model discloses the embodiment only relates to the structure involved in the embodiment of the present disclosure, and other structures can refer to the usual design, and under the condition of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other.

[0035] Finally: the preferred embodiments of the utility model are described above, and the utility model is not limited to the above, and any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

[0036] The above are the preferred embodiments of the present application, and are not used to limit the protection scope of the present application, so: any equivalent change made according to the structure, shape and principle of the present application should be included in the protection scope of the present application.

Claims

1. A sterile chamber filter comprising a housing (1), characterised in that: The inner wall of the shell (1) is provided with a fan (8), and the inner wall of the shell (1) is provided with a filter assembly; The filter assembly comprises a maintenance plate (3), a primary filter layer (4), a medium-efficiency filter layer (5) and a high-efficiency filter layer (6), the primary filter layer (4), the medium-efficiency filter layer (5) and the high-efficiency filter layer (6) are distributed at equal intervals from right to left, and the primary filter layer (4), the medium-efficiency filter layer (5) and the high-efficiency filter layer (6) are installed on the bottom outer wall of the maintenance plate (3); the maintenance plate (3) is embeddedly installed on the top outer wall of the shell (1); The maintenance plate (3) and the outer wall of the shell (1) are provided with a quick release mechanism for facilitating disassembly and assembly of the filter assembly, the quick release mechanism comprises two frames (14) fixedly connected to the outer walls on both sides of the shell (1), the inner wall of each frame (14) is fixedly connected with a sliding rod (13), the outer wall of each sliding rod (13) is slidably connected with a movable plate (15), the outer wall of the maintenance plate (3) is fixedly connected with a clamping block (16), the outer wall of the sliding rod (13) is sleeved with a spring (17), and the spring (17) is located between the movable plate (15) and the frame (14); The quick release mechanism further comprises two buckles (10) fixedly connected to the top outer wall of the maintenance plate (3), the two buckles (10) correspond to the two frames (14), the outer wall of the buckle (10) is provided with a clamping hole (11), and the clamping hole (11) is matched with the clamping block (16); The outer walls on both sides of the shell (1) are fixedly connected with two pads (12), and the pads (12) are fixedly connected to the ends of the sliding rods (13) away from the frames (14).

2. A sterile chamber filter according to claim 1, characterized in that: The top middle outer wall of each movable plate (15) is fixedly connected with a push block (18).

3. A sterile chamber filter according to claim 1, wherein: The top middle outer wall of the maintenance plate (3) is fixedly connected with a handle (7).

4. A sterile chamber filter according to claim 1, wherein: The outer walls on both sides of the shell (1) are respectively provided with an exhaust port (2) and an air inlet (9), and the fan (8) is close to the air inlet (9). The outer walls on both sides of the shell (1) are respectively provided with an exhaust port (2) and an air inlet (9), and the fan (8) is close to the air inlet (9).

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