Clean room return air filtering device convenient to clean

Abstract

The utility model belongs to the technical field of mechanical engineering, and particularly relates to a clean room return air filtering device convenient to clean, which comprises a shell, a connecting shell is clamped above the shell, an air inlet expansion section is arranged in the connecting shell, a stirrer is rotatably connected in the air inlet expansion section, and a filter screen is arranged in the stirrer. The connecting shell is movably connected with a dismounting and cleaning assembly, a filtering assembly is clamped in the dismounting and cleaning assembly, the filtering assembly is movably connected with a sealing assembly, and the dismounting and cleaning assembly comprises a penetrating rod. According to the clean room return air filtering device convenient to clean, through the arranged dismounting and cleaning assembly, a penetrating rod and a threaded sleeve can be easily separated by dismounting the penetrating rod and the threaded sleeve according to the rotating direction of a thread by a worker, and the worker can quickly dismount the filtering assembly for thorough cleaning and maintenance; therefore, the cleanliness of the equipment is guaranteed, and the service life of the equipment is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical engineering, in particular to a clean room return air filtering device which is easy to clean. Background Art

[0002] Clean room, this term sounds quite professional, but it is an indispensable and important existence in modern industry, medical and scientific research fields. Clean room, as the name suggests, is a closed space with high cleanliness requirements. Its internal environment has been specially designed and processed to achieve strict control of pollutants such as dust and microorganisms.

[0003] At present, in the prior art, a Chinese patent with a publication number of CN218853788U discloses a clean room return air filter device, which can remove particulate impurities in the circulating air through a filtering mechanism, thereby ensuring the cleanliness of the circulating return air. However, in actual use of the device, its filtering mechanism is responsible for effectively filtering impurities, particles and other substances in the fluid to ensure that the fluid quality meets the use requirements. However, since the cleaning and installation and disassembly of the filtering mechanism may cause damage to the filtering mechanism or its sealing components during the disassembly and installation process, in view of this, we propose a clean room return air filter device that is easy to clean. Utility Model Content

[0004] The main purpose of the utility model is to provide a clean room return air filtering device which is easy to clean and can solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides a clean room return air filter device that is easy to clean, comprising a shell, a connecting shell is clamped on the upper part of the shell, an air inlet nozzle is opened on the outer wall of the connecting shell, an air inlet expansion section is arranged inside the connecting shell, an agitator is rotatably connected in the air inlet expansion section, the connecting shell is movably connected to a disassembly and cleaning component, a filter component is clamped in the disassembly and cleaning component, a sealing component is movably connected to the filter component, and the disassembly and cleaning component comprises:

[0006] A through rod, the interior of the connecting shell is fixedly connected with the through rod, and the through rod penetrates the air inlet expansion section, and the filter assembly is clamped on the outer wall of the through rod;

[0007] A threaded sleeve, wherein the bottom end of the through rod is provided with a threaded section, and the threaded section is threadedly connected with the threaded sleeve.

[0008] Preferably, the sealing assembly comprises a C-shaped groove, the inner wall of the shell is provided with a C-shaped groove, and a sliding groove is provided in the C-shaped groove.

[0009] Preferably, an extrusion block is elastically connected to the C-shaped groove through spring 2, a lifting assembly is fixedly connected below the extrusion block, and the lifting assembly is slidably connected in the slide groove. When the cleaning assembly is disassembled and cleaned for installation, the protruding extrusion block below is squeezed, and the lower surface of the extrusion block is squeezed by pressure and slides upward into the C-shaped groove.

[0010] Preferably, the lifting assembly includes a connecting rod, the outer wall of the extrusion block is fixedly connected with the connecting rod, the connecting rod is elastically connected to the sleeve through a spring, and the local elevation of the extrusion block ensures the stability of sliding through the flexible adjustment of the set lifting assembly.

[0011] Preferably, a positioning column is fixedly connected in the C-shaped groove, and an arc plate is provided in the positioning column. The yield cavity opened in the arc plate is slidably connected with the positioning column, and the extrusion block slides to extrude the arc plate in the C-shaped groove, and the yield cavity of the arc plate slides along the positioning column to adjust the angle.

[0012] Preferably, the arc plate is elastically connected to the C-shaped groove through spring three, a lifting plate is arranged above the arc plate, and an extrusion column is arranged on the right side of the lifting plate, the lifting plate and the extrusion column are both slidably connected in the C-shaped groove, and the arc lifting and extrusion of the arc plate is supported by the lifting plate above, and after the extrusion block releases the extrusion force, the spring three drives the arc plate to reset, and the lifting plate squeezes the extrusion column above.

[0013] Preferably, an airbag is provided in the C-shaped groove, and a baffle is fixedly connected to the inner wall of the shell, and two groups of baffles are provided. The end of the extrusion column close to the airbag is a pointed extrusion airbag. When the airbag is inflated, the baffle can also provide additional support and protection for the filter assembly. The airbag can fit tightly in the gap between the filter assembly and the baffle, effectively preventing leakage of fluid or gas during the filtration process, thereby ensuring the stability and reliability of the filtration effect.

[0014] The utility model provides a clean room return air filtering device which is easy to clean and has the following beneficial effects:

[0015] (1) The clean room return air filter device that is easy to clean has a disassembly and cleaning assembly. The staff can easily separate the through-rod from the threaded sleeve by disassembling the through-rod from the threaded sleeve in the direction of rotation of the thread. The staff can quickly disassemble the filter assembly for thorough cleaning and maintenance, which not only ensures the cleanliness of the equipment but also helps to extend the service life of the equipment.

[0016] (2) The clean room return air filter device which is easy to clean is provided with a sealing component. After the cleaning component is disassembled and cleaned, the installation operation is performed. The extrusion block is squeezed and slides into the C-shaped groove. The extrusion block ensures the sliding stability through the lifting component. The yielding cavity of the arc plate slides along the positioning column. The lifting plate squeezes the extrusion column above. The extrusion column squeezes the airbag. When the airbag is inflated, the airbag fits in the gap, which reduces the difficulty of operation and ensures that the return air filter device always maintains a good filtering effect and sealing performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the overall explosion structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the overall cross-sectional structure of the utility model;

[0021] Figure 4 Practical Figure 3 Schematic diagram of the structure of A;

[0022] Figure 5 This is a schematic diagram of the overall cross-sectional structure of the utility model;

[0023] Figure 6 Practical Figure 5 Schematic diagram of the structure of middle B;

[0024] Figure 7 Practical Figure 6 Schematic diagram of the C structure;

[0025] Figure 8 This is a schematic diagram of the structure of the extrusion block of the utility model;

[0026] Fig. 9 This is a schematic diagram of the structure of the lifting component of the utility model.

[0027] Description of Figure Numbers:

[0028] 1. Shell; 2. Connecting shell; 201. Air inlet nozzle; 202. Air inlet expansion section; 3. Agitator; 4. Disassembly and cleaning assembly; 41. Through rod; 42. Threaded sleeve; 5. Filter assembly; 6. Sealing assembly; 61. C-shaped groove; 62. Slide groove; 63. Extrusion block; 64. Lifting assembly; 641. Connecting rod; 642. Spring 1; 643. Socket sleeve; 65. Spring 2; 66. Positioning column; 67. Arc plate; 68. Give way cavity; 69. Spring 3; 610. Lifting plate; 611. Extrusion column; 612. Airbag; 613. Baffle.

[0029] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] See also Figure 1-Figure 9 The utility model proposes a clean room return air filter device that is easy to clean, including a shell body 1, a connecting shell 2 is clamped on the top of the shell body 1, an air inlet nozzle 201 is opened on the outer wall of the connecting shell 2, an air inlet expansion section 202 is arranged inside the connecting shell 2, and an agitator 3 is rotatably connected in the air inlet expansion section 202. The above-mentioned shell body 1, air inlet expansion section 202 and agitator 3 are similar to the principles mentioned in the Chinese patent (clean room return air filter device) with authorization announcement number CN218853788U, and the effects achieved are the same. They are existing public technical means in this field and will not be elaborated here. The connecting shell 2 is movably connected to the disassembly and cleaning component 4, a filter component 5 is clamped in the disassembly and cleaning component 4, and the filter component 5 is movably connected to the sealing component 6. The disassembly and cleaning component 4 includes: a through rod 41.

[0032] In the embodiment of the utility model, in order to be able to perform regular cleaning and maintenance and effectively filter substances, specifically, a through rod 41 is fixedly connected to the inside of the connecting shell 2, and the through rod 41 passes through the air inlet expansion section 202, and the filter assembly 5 is clamped on the outer wall of the through rod 41. A threaded section is provided at the bottom end of the through rod 41, and a threaded sleeve 42 is threadedly connected to the threaded section. The connection between the through rod 41 and the threaded sleeve 42 is achieved through precise thread matching, and the staff can disassemble it according to the rotation direction of the thread.

[0033] Furthermore, in order to reduce the difficulty of operation and ensure that the return air filter device always maintains a good filtering effect and sealing performance, specifically, the sealing component 6 includes a C-shaped groove 61, the inner wall of the shell 1 is provided with a C-shaped groove 61, and a slide groove 62 is provided in the C-shaped groove 61. An extrusion block 63 is elastically connected to the C-shaped groove 61 through a spring 2 65, and a lifting component 64 is fixedly connected below the extrusion block 63, and the lifting component 64 is slidably connected in the slide groove 62. When the cleaning component 4 is disassembled for cleaning and installation, the protruding extrusion block 63 below is squeezed to squeeze the extrusion block 63. The lower surface of the pressing block 63 is squeezed by pressure and slides upward into the C-shaped groove 61. The lifting assembly 64 includes a connecting rod 641. The outer wall of the pressing block 63 is fixedly connected with the connecting rod 641. The connecting rod 641 is elastically connected to the sleeve 643 through a spring 642. The local elevation of the pressing block 63 ensures the stability of the sliding through the flexible adjustment of the lifting assembly 64. A positioning column 66 is fixedly connected to the C-shaped groove 61. The positioning column 66 is provided with an arc plate 67. The clearance cavity 68 opened in the arc plate 67 is slidably connected with the positioning column 66. The pressing block 63 moves toward the C-shaped groove. The sliding extrusion arc plate 67 in the arc plate 61, the yield cavity 68 of the arc plate 67 slides along the positioning column 66 to adjust the angle, the arc plate 67 is elastically connected to the C-shaped groove 61 through the spring three 69, a lifting plate 610 is arranged above the arc plate 67, and an extrusion column 611 is arranged on the right side of the lifting plate 610. The lifting plate 610 and the extrusion column 611 are both slidably connected in the C-shaped groove 61, and the arc lifting and extrusion of the arc plate 67 is carried by the lifting plate 610 above. After the extrusion block 63 releases the extrusion force, the spring three 69 drives the arc plate 67 to reset, and the lifting plate 610 An airbag 612 is arranged in the C-shaped groove 61 of the extrusion column 611 above the extrusion, and a baffle 613 is fixedly connected to the inner wall of the shell 1. Two groups of baffles 613 are arranged. One end of the extrusion column 611 close to the airbag 612 is a pointed extrusion airbag 612. When the airbag 612 is inflated, the baffle 613 can also provide additional support and protection for the filter component 5. The airbag 612 can fit tightly in the gap between the filter component 5 and the baffle 613, effectively preventing leakage of fluid or gas during the filtering process, thereby ensuring the stability and reliability of the filtering effect.

[0034] In the present invention, when in use, the staff can easily separate the through rod 41 from the threaded sleeve 42 by disassembling the through rod 41 and the threaded sleeve 42 according to the rotation direction of the thread, and the staff can quickly disassemble the filter assembly 5 for thorough cleaning and maintenance, which not only ensures the cleanliness of the equipment, but also helps to extend the service life of the equipment. When the cleaning assembly 4 is disassembled and cleaned, the installation operation is performed, and the extrusion block 63 protruding below is squeezed. The extrusion block 63 is squeezed and slides upward into the C-shaped groove 61 under pressure, and the partial elevation of the extrusion block 63 is confirmed by the lifting assembly 64. To ensure the stability of sliding, the extrusion block 63 squeezes the arc plate 67, and the yield cavity 68 of the arc plate 67 slides along the positioning column 66. The lifting plate 610 squeezes the extrusion column 611 above, and the end of the extrusion column 611 close to the airbag 612 is a sharp-angled extrusion airbag 612. When the airbag 612 is inflated, the baffle 613 can also provide additional support and protection for the filter component 5. The airbag 612 can fit tightly in the gap between the filter component 5 and the baffle 613, effectively preventing the leakage of fluid or gas during the filtering process, thereby ensuring the stability and reliability of the filtering effect.

[0035] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A clean room return air filter device that is easy to clean, comprising a housing (1), characterized in that: A connecting shell (2) is clamped on the upper side of the shell (1); an air inlet nozzle (201) is provided on the outer wall of the connecting shell (2); an air inlet expansion section (202) is provided inside the connecting shell (2); an agitator (3) is rotatably connected to the air inlet expansion section (202); the connecting shell (2) is movably connected to a disassembly and cleaning component (4); a filter component (5) is clamped in the disassembly and cleaning component (4); the filter component (5) is movably connected to a sealing component (6); the disassembly and cleaning component (4) comprises: A penetration rod (41), the interior of the connecting shell (2) is fixedly connected with the penetration rod (41), and the penetration rod (41) penetrates the air inlet expansion section (202), and the filter assembly (5) is clamped on the outer wall of the penetration rod (41); A threaded sleeve (42), wherein the bottom end of the through rod (41) is provided with a threaded section, and the threaded section is threadedly connected to the threaded sleeve (42).

2. The clean room return air filter device that is easy to clean according to claim 1, characterized in that: The sealing assembly (6) comprises a C-shaped groove (61), the inner wall of the housing (1) is provided with the C-shaped groove (61), and a sliding groove (62) is provided in the C-shaped groove (61).

3. The clean room return air filter device that is easy to clean according to claim 2, characterized in that: The C-shaped groove (61) is elastically connected with an extrusion block (63) via a second spring (65), a lifting assembly (64) is fixedly connected below the extrusion block (63), and the lifting assembly (64) is slidably connected in the slide groove (62).

4. The clean room return air filter device that is easy to clean according to claim 3 is characterized in that: The lifting assembly (64) comprises a connecting rod (641), the outer wall of the extrusion block (63) is fixedly connected with the connecting rod (641), and the connecting rod (641) is elastically connected to the sleeve (643) via a spring 1 (642).

5. The clean room return air filter device that is easy to clean according to claim 2, characterized in that: A positioning column (66) is fixedly connected in the C-shaped groove (61), an arc-shaped plate (67) is arranged in the positioning column (66), and a clearance cavity (68) provided in the arc-shaped plate (67) is slidably connected to the positioning column (66).

6. The clean room return air filter device that is easy to clean according to claim 5, characterized in that: The arc-shaped plate (67) is elastically connected to the C-shaped groove (61) via a spring three (69); a lifting plate (610) is arranged above the arc-shaped plate (67); a squeezing column (611) is arranged on the right side of the lifting plate (610); and the lifting plate (610) and the squeezing column (611) are both slidably connected in the C-shaped groove (61).

7. The clean room return air filter device that is easy to clean according to claim 2, characterized in that: An air bag (612) is arranged in the C-shaped groove (61), and a baffle (613) is fixedly connected to the inner wall of the shell (1), and two groups of baffles (613) are arranged.

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