Clean room purification airtight door

Abstract

The utility model discloses a clean room purification air-tight door in the technical field of clean rooms, which comprises an air-tight door body, a purification box is embedded in the inner side of the body and located at the middle lower part, the upper side and the lower side in the purification box are respectively connected with a fixing strip, and a fan is installed in the purification box and located at one side of the fixing strip. The ventilation frame can be limited and fixed through the fixing strip, the filtering piece in the ventilation frame can purify and filter air, the air inflow of the air penetrating through the purification box can be adjusted through the adjusting assembly, and the problems that when an existing airtight door purifies and filters guided-in air, accumulation or blockage is likely to happen, the filter structure is tedious to disassemble and assemble, and the air purification efficiency is high are solved. The problems that a filtering structure is inconvenient to clean or replace, the air inflow of an air-tight door is inconvenient to adjust, and the air inflow control and sealing practicability of the air-tight door are affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of clean rooms, in particular to a clean room purification airtight door. Background Art

[0002] A clean room refers to a well-sealed space where parameters such as air cleanliness, temperature, humidity, pressure, and noise are controlled as needed. Clean rooms are usually equipped with cleanroom doors, which are used in clean rooms with relatively high cleanliness requirements to minimize dust accumulation. In particular, the cleanroom doors are required to have good sealing and be easier to clean. The existing cleanroom airtight doors usually use a filter structure on the inside to purify and filter the air, but the existing filter structure cannot be easily disassembled and replaced, resulting in reduced air filtration effect.

[0003] The existing airtight doors are prone to accumulation or blockage when purifying and filtering the introduced air. The disassembly and assembly of the filter structure is cumbersome, and it is inconvenient to clean or replace the filter structure. The airtight door is also not convenient for adjusting the amount of air intake, which affects the practicality of the airtight door in controlling the air intake and sealing. Therefore, those skilled in the art provide a clean room purification airtight door to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the present utility model is to provide a clean room purification airtight door to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a clean room purification airtight door, comprising an airtight door body, a purification box embedded in the middle and lower part of the inner side of the body, fixing bars connected to the upper and lower sides of the inner side of the purification box, a fan installed in the inner side of the purification box and on one side of the fixing bar, a ventilation rack installed in the inner side of the purification box and on the other side of the fixing bar, and a filter installed in the ventilation rack;

[0006] A locking assembly is installed between the ventilation frame and the purification box, an adjusting assembly for adjusting the air intake volume is installed on the other side of the purification box, the filter is movably connected to the ventilation frame, and the ventilation frame is movably connected to the purification box.

[0007] Preferably: the locking assembly includes movable cavities respectively opened on the upper and lower sides of the purification box, a fixed groove is opened at one end of the movable cavity, fixed blocks are respectively connected to both sides of the ventilation frame, a guide rod is connected to the inner side of the movable cavity, a first spring is sleeved on the outer side of the guide rod, a push rod is installed on the other end of the first spring and located on the inner side of the movable cavity, the push rod passes through the movable cavity and is slidably connected to it, and the fixed block is movably connected to the fixed groove.

[0008] Preferably: the locking assembly also includes a fixing frame installed on the top of the purification box, a sliding rod passes through the inner side of the fixing frame, a sliding plate is connected to the bottom of the sliding rod, a locking plate is connected to the bottom of the sliding plate, and a second spring for squeezing the sliding plate is provided on the top of the inner side of the fixing frame and located on the outer side of the sliding rod, and the locking plate passes through the purification box and is slidably connected to it.

[0009] Preferably: the adjustment assembly includes a mounting bracket installed on one side of the main body and located on the top of the purification box, two fixing rods pass through the inner side of the mounting bracket, a third spring is mounted on the outer side of the fixing rod, one end of the third spring is connected to a pad, the fixing rod passes through the pad and is slidably connected to the pad, and the two ends of the third spring are respectively fixedly connected to the mounting bracket and the pad.

[0010] Preferably: the adjustment assembly also includes a pull rod installed on one side of the pad, one side of the pull rod is connected to a connecting plate, one side of the connecting plate is connected to a locking block, a sealing plate passes through the inside of the purification box, and one side of the sealing plate is provided with multiple evenly arranged locking grooves near the top.

[0011] Preferably, the filter element comprises an adsorption frame installed on the inner side of the ventilation frame, two filter plates are placed on both sides of the adsorption frame, and the inner side of the adsorption frame is filled with activated carbon.

[0012] Preferably, evenly arranged guide plates are installed on the inner side of the adsorption rack, and the guide plates are arc-shaped.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. In the present invention, by arranging a purification box, a fan, a ventilation rack and a filter element, the fan can drive the outside air to pass through the purification box and be discharged, the fixing bar can limit and fix the ventilation rack, the filter element in the ventilation rack can purify and filter the air, the air intake volume passing through the purification box can be adjusted by using the adjustment component, and the ventilation rack can be disassembled and installed by using the locking component, so as to facilitate the removal of the filter element for cleaning or replacement.

[0015] 2. In the utility model, by arranging a first spring, a push rod, a sliding rod, a second spring and a locking plate, the first spring in the movable cavity can squeeze and push the push rod. When the ventilation rack drives the fixed block into the fixed groove, the fixed block squeezes and pushes the first spring through the push rod. The second spring can be used to squeeze and push the sliding plate, so that the sliding plate is inserted into the fixed groove to lock and fix the fixed block. The sliding rod can drive the locking plate at the bottom of the sliding plate to move upward, so that the two first springs can squeeze and push the push rod, and the two push rods can squeeze and push the fixed block, thereby improving the convenience of removing the ventilation rack and the stability of installing the ventilation rack.

[0016] 3. In the present invention, by providing a third spring, a pad, a pull rod, a locking block and a sealing plate, the sealing plate can move inside the purification box, and then the third spring can be used to squeeze and push the pad, while the pad slides on the outside of the fixed rod, so that the pad drives the locking block on one side of the connecting plate through the pull rod to embed into the locking groove on one side of the sealing plate, thereby improving the convenience and stability of adjusting the air intake volume of the purification box. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 The left side cutaway perspective view of the overall structure of the utility model Figure 1 ;

[0019] Figure 3 The left side cutaway perspective view of the overall structure of the utility model Figure 2 ;

[0020] Figure 4 The overall structure of the utility model Figure 2 Enlarged view of point A in the middle;

[0021] Figure 5 The overall structure of the utility model Figure 3 Enlarged view of point B in the middle;

[0022] Figure 6 This is a schematic structural diagram of the purification box and the sealing plate in the overall structure of the utility model;

[0023] Figure 7 It is a structural schematic diagram of the ventilation frame, fixed block, filter plate and adsorption frame in the overall structure of the utility model.

[0024] In the figure: 1. Main body; 2. Purification box; 3. Fixing bar; 4. Fan; 5. Ventilation frame; 6. Movable chamber; 7. Fixing slot; 8. Fixing block; 9. Guide rod; 10. First spring; 11. Push rod; 12. Fixing frame; 13. Sliding rod; 14. Sliding plate; 15. Locking plate; 16. Second spring; 17. Mounting frame; 18. Fixing rod; 19. Third spring; 20. Pad; 21. Pull rod; 22. Connecting plate; 23. Locking block; 24. Sealing plate; 25. Locking slot; 26. Adsorption frame; 27. Filter plate; 28. Guide plate. DETAILED DESCRIPTION

[0025] 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.

[0026] See also Figures 1 to 7 In the embodiment of the utility model, a clean room purification airtight door includes a body 1 of the airtight door, a purification box 2 is embedded in the inner side and in the lower middle part of the body 1, and the upper and lower sides of the purification box 2 are respectively connected to the fixing bars 3, a fan 4 is installed inside the purification box 2 and on one side of the fixing bar 3, a ventilation rack 5 is installed inside the purification box 2 and on the other side of the fixing bar 3, a filter is installed inside the ventilation rack 5, a locking assembly is installed between the ventilation rack 5 and the purification box 2, and an adjustment assembly for adjusting the air intake volume is installed on the other side of the purification box 2, the filter is movably connected to the ventilation rack 5, and the ventilation rack 5 is movably connected to the purification box 2.

[0027] When in use, the fan 4 can drive the outside air to pass through the purification box 2 and be discharged, the fixing bar 3 can limit and fix the ventilation frame 5, the filter element in the ventilation frame 5 can purify and filter the air, the adjustment component can be used to adjust the air intake amount passing through the purification box 2, and the locking component can be used to disassemble and install the ventilation frame 5 to facilitate the removal of the filter element for cleaning or replacement.

[0028] In one embodiment, specifically, the locking assembly includes movable chambers 6 respectively opened on the upper and lower sides of the inside of the purification box 2, a fixing groove 7 is opened at one end of the movable chamber 6, and fixed blocks 8 are respectively connected to both sides of the ventilation frame 5, a guide rod 9 is connected to the inside of the movable chamber 6, a first spring 10 is sleeved on the outside of the guide rod 9, and a push rod 11 is installed on the other end of the first spring 10 and located inside the movable chamber 6, the locking assembly also includes a fixing frame 12 installed on the top of the purification box 2, a sliding rod 13 passes through the inside of the fixing frame 12, a sliding plate 14 is connected to the bottom of the sliding rod 13, a locking plate 15 is connected to the bottom of the sliding plate 14, a second spring 16 for squeezing the sliding plate 14 is sleeved on the top inside the fixing frame 12 and located on the outside of the sliding rod 13, the locking plate 15 passes through the purification box 2 and is slidably connected thereto, the push rod 11 passes through the movable chamber 6 and is slidably connected thereto, and the fixing block 8 is movably connected to the fixing groove 7.

[0029] Among them, the first spring 10 in the movable chamber 6 can squeeze and push the push rod 11. When the ventilation rack 5 drives the fixed block 8 to enter the fixed groove 7, the fixed block 8 squeezes and pushes the first spring 10 through the push rod 11. The second spring 16 can be used to squeeze and push the sliding plate 14, so that the sliding plate 14 is inserted into the fixed groove 7 to lock and fix the fixed block 8. The sliding rod 13 can drive the locking plate 15 at the bottom of the sliding plate 14 to move upward, so that the two first springs 10 can squeeze and push the push rod 11, and the two push rods 11 can squeeze and push the fixed block 8, thereby improving the convenience of removing the ventilation rack 5 and the stability of installing the ventilation rack 5.

[0030] Furthermore, the adjustment component includes a mounting bracket 17 installed on one side of the main body 1 and located on the top of the purification box 2, two fixing rods 18 are passed through the inner side of the mounting bracket 17, and a third spring 19 is mounted on the outer side of the fixing rod 18, and one end of the third spring 19 is connected to a pad 20. The adjustment component also includes a pull rod 21 installed on one side of the pad 20, and one side of the pull rod 21 is connected to a connecting plate 22, and one side of the connecting plate 22 is connected to a locking block 23. A sealing plate 24 is passed through the inner side of the purification box 2, and a plurality of evenly arranged locking grooves 25 are provided on one side of the sealing plate 24 and near the top. The fixing rod 18 passes through the pad 20 and is slidably connected to it, and the two ends of the third spring 19 are fixedly connected to the mounting bracket 17 and the pad 20 respectively.

[0031] In one embodiment, specifically, the sealing plate 24 can move inside the purification box 2, and then the third spring 19 can be used to squeeze and push the pad 20. At the same time, the pad 20 slides on the outside of the fixed rod 18, so that the pad 20 drives the locking block 23 on one side of the connecting plate 22 through the pull rod 21 to embed into the locking groove 25 on one side of the sealing plate 24, thereby improving the convenience and stability of adjusting the air intake volume of the purification box 2.

[0032] Among them, the filter element includes an adsorption frame 26 installed on the inner side of the ventilation frame 5, two filter plates 27 are placed on both sides of the adsorption frame 26, the inner side of the adsorption frame 26 is filled with activated carbon, and the inner side of the adsorption frame 26 is installed with evenly arranged guide plates 28. The guide plates 28 are arc-shaped, and multiple filter plates 27 can perform multiple filtration on the air. The activated carbon in the adsorption frame 26 can adsorb and purify dust and impurities in the air. Multiple guide plates 28 can extend the air flow path so that the activated carbon can fully adsorb and purify the dust.

[0033] The working principle of this utility model:

[0034] First, the pull rod 21 drives the pad 20 to slide in the mounting frame 17, and then the sealing plate 24 moves inside the purification box 2, and then the pull rod 21 is slowly released. At this time, the third spring 19 squeezes and pushes the pad 20, and at the same time, the pad 20 slides on the outside of the fixing rod 18. At this time, the pad 20 drives the locking block 23 on one side of the connecting plate 22 through the pull rod 21 to embed into the locking groove 25 on one side of the sealing plate 24 to lock and fix the sealing plate 24, and then start the fan 4 to drive the outside air into the clean room through the purification box 2. At this time, multiple filter plates 27 perform multiple filtration on the air, and then the activated carbon in the adsorption frame 26 adsorbs and purifies the dust and impurities in the air. At the same time, multiple guide plates 28 extend the air flow path.

[0035] The above are only preferred specific implementation methods of the present invention, but the protection scope of the present invention is not limited to them. Any technician familiar with the technical field can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention within the technical scope disclosed by the present invention, and they should be covered by the protection scope of the present invention.

Claims

1. A clean room purification airtight door, comprising an airtight door body (1), characterized in that: A purification box (2) is embedded in the middle and lower part of the main body (1), and fixing bars (3) are connected to the upper and lower sides of the purification box (2). A fan (4) is installed in the purification box (2) and on one side of the fixing bar (3). A ventilation rack (5) is installed in the purification box (2) and on the other side of the fixing bar (3). A filter is installed on the inside of the ventilation rack (5). A locking assembly is installed between the ventilation frame (5) and the purification box (2), and an adjustment assembly for adjusting the air intake volume is installed on the other side of the purification box (2). The filter element is movably connected to the ventilation frame (5), and the ventilation frame (5) is movably connected to the purification box (2).

2. The clean room purification airtight door according to claim 1, characterized in that: The locking assembly includes movable chambers (6) respectively opened on the upper and lower sides of the purification box (2), a fixed groove (7) is opened at one end of the movable chamber (6), and fixed blocks (8) are respectively connected to both sides of the ventilation frame (5). The inner side of the movable chamber (6) is connected to a guide rod (9), and the outer side of the guide rod (9) is provided with a first spring (10). A push rod (11) is installed at the other end of the first spring (10) and located inside the movable chamber (6). The push rod (11) passes through the movable chamber (6) and is slidably connected thereto, and the fixed block (8) is movably connected to the fixed groove (7).

3. The clean room purification airtight door according to claim 2, characterized in that: The locking assembly further comprises a fixing frame (12) mounted on the top of the purification box (2), a sliding rod (13) passing through the inner side of the fixing frame (12), a sliding plate (14) being connected to the bottom of the sliding rod (13), a locking plate (15) being connected to the bottom of the sliding plate (14), a second spring (16) for pressing the sliding plate (14) being sleeved on the top of the inner side of the fixing frame (12) and located on the outer side of the sliding rod (13), and the locking plate (15) passing through the purification box (2) and being slidably connected thereto.

4. The clean room purification airtight door according to claim 2, characterized in that: The adjustment assembly includes a mounting frame (17) installed on one side of the body (1) and located on the top of the purification box (2), two fixing rods (18) are passed through the inner side of the mounting frame (17), a third spring (19) is sleeved on the outer side of the fixing rod (18), one end of the third spring (19) is connected to a pad (20), the fixing rod (18) passes through the pad (20) and is slidably connected thereto, and the two ends of the third spring (19) are fixedly connected to the mounting frame (17) and the pad (20) respectively.

5. The clean room purification airtight door according to claim 4, characterized in that: The adjustment assembly also includes a pull rod (21) installed on one side of the pad (20), one side of the pull rod (21) is connected to a connecting plate (22), one side of the connecting plate (22) is connected to a locking block (23), a sealing plate (24) passes through the inner side of the purification box (2), and a plurality of evenly arranged locking grooves (25) are opened on one side of the sealing plate (24) and near the top.

6. The clean room purification airtight door according to claim 1, characterized in that: The filter element comprises an adsorption frame (26) installed inside the ventilation frame (5), two filter plates (27) are respectively placed on both sides of the adsorption frame (26), and the inside of the adsorption frame (26) is filled with activated carbon.

7. The clean room purification airtight door according to claim 6, characterized in that: Evenly arranged guide plates (28) are installed on the inner side of the adsorption frame (26), and the guide plates (28) are arc-shaped.

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