Clean laminar flow hood
The ventilation plate is disassembled by the screw and the moving block structure, and the filter is disassembled by the rotating block and the connecting rod structure, which solves the problem of inconvenient disassembly of the internal equipment of the clean laminar flow hood, realizes rapid cleaning and effective filtration, and maintains a sterile environment.
Patent Information
- Application Number
- CN202422591969.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-25
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-10-25
AI Technical Summary
Existing clean laminar flow hoods are not easy to disassemble, replace or clean the internal equipment, which causes dust adhesion and affects the sterility state.
A screw rod and moving block structure is designed. By rotating screw rod one, the moving block drives the conical block and the spring to extrude and separate the extrusion block, thereby realizing the rapid disassembly of the ventilation plate and the mesh plate. A rotating block and connecting rod structure is adopted. By rotating the block, the connecting block and screw rod two are driven to unscrew the filter, thereby realizing the disassembly and replacement of the filter.
The ventilation plate, air outlet plate and mesh plate can be quickly disassembled and cleaned, ensuring the effective removal and replacement of the filter, keeping the room clean, avoiding dust adhesion and ensuring a sterile environment.
Smart Images
Figure CN223464839U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to air purification technical field especially relates to a clean laminar flow cover. BACKGROUND
[0002] The clean laminar flow cover is a device used in laboratories and industrial environments, designed to provide a highly clean working environment to ensure that experiments or operations are not affected by external pollutants. This device is mainly used for laboratory work that requires a highly clean environment, such as biotechnology, pharmaceutical manufacturing, electronic device manufacturing, etc.
[0003] The existing device sucks air through a fan and filters dust particles in the airflow through a filter, and then discharges it back to the clean room area. However, it is not convenient to disassemble, replace or clean the internal equipment. Therefore, a clean laminar flow cover is proposed to solve the above problems. SUMMARY
[0004] The utility model discloses a clean laminar flow cover to solve the above problems.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a clean laminar flow cover, comprising a cover body, the inside of the cover body is provided with ventilation plate on both sides, the inside bottom side of the cover body is provided with air outlet plate, the inside of the ventilation plate and air outlet plate is all screw thread connection with screw rod one, one side outside of the screw rod one is screw thread connection with moving block, the inside of the moving block is all set up with slide groove on both sides, the inside of the moving block is all set up with spring on both sides, one end of the spring is fixedly connected in the inner wall of slide groove, the other end of the spring is fixedly connected with conical block, the inside of the cover body is all set up with evenly distributed through groove on both sides and bottom, the moving block is connected in the inside of through groove, one side of the moving block is provided with extrusion block, the extrusion block is fixedly connected in the inside one side of through groove, the inside of the cover body is fixedly connected with inner cover, the inside upper side of the inner cover is fixedly connected with suction assembly, the suction assembly is used for sucking air.
[0006] Further description of the above technical scheme:
[0007] The inside lower side of the inner cover is fixedly connected with a filter, the inside of the filter is up-down clampedly connected with a first filter screen, the bottom of the first filter screen is provided with an adsorption layer, the bottom of the adsorption layer is provided with a second filter screen, the bottom of the filter is provided with a filter bottom plate, the bottom of the filter bottom plate is provided with a rotating block, the upper portion of the rotating block is fixedly connected with a connecting rod, the outside of the connecting rod is slidably connected with a sliding plate, the upper portion of the sliding plate is fixedly connected with a torsion spring, one end of the torsion spring is fixedly connected with a connecting block, the upper portion of the connecting block is fixedly connected with a screw rod two, the inside of the filter is threadedly connected with the screw rod two.
[0008] As a further description of the above technical solution:
[0009] The suction assembly comprises a fan, the fan is fixedly connected to the inside upper side of the inner cover, and the upper portion of the fan is provided with a mesh plate.
[0010] As a further description of the above technical solution:
[0011] The upper portion of the filter bottom plate is fixedly connected with an inserting rod, and the inserting rod is slidably connected to the inside of the filter.
[0012] As a further description of the above technical solution:
[0013] The inside four corners of the filter bottom plate are provided with convex grooves, and the connecting rod, the sliding plate and the connecting block are slidably connected to the inside of the convex grooves.
[0014] As a further description of the above technical solution:
[0015] The torsion spring is sleeved on the outside of the connecting rod, and the connecting block is fixedly connected to one end of the connecting rod.
[0016] As a further description of the above technical solution:
[0017] The moving block is slidably connected to the inside of the extruding block.
[0018] As a further description of the above technical solution:
[0019] The tapered block is slidably connected to the inside of the sliding groove.
[0020] The utility model has the advantages of the following:
[0021] 1. The utility model discloses a movable block is driven to pass through the extrusion block through the rotation of screw rod no. 1, and when movable block passes through the extrusion block, conical block and spring are extruded, make conical block remove to the sliding slot, make movable block with extrusion block separate, can tear down ventilation board, carry out cleaning and can tear down the mesh plate and clean, realize the quick convenient disassembly and cleaning of ventilation board, air outlet plate and mesh plate, and the filter is convenient to dismount, avoid dust adhesion on the upper portion, make the indoor be in sterile state.
[0022] 2. The utility model discloses a movable block is driven to pass through the extrusion block through the rotation of screw rod no. 2, and when movable block passes through the extrusion block, conical block and spring are extruded, make conical block remove to the sliding slot, make movable block with extrusion block separate, can tear down ventilation board, carry out cleaning and can tear down the mesh plate and clean, realize the quick convenient disassembly and cleaning of ventilation board, air outlet plate and mesh plate, and the filter is convenient to dismount, avoid dust adhesion on the upper portion, make the indoor be in sterile state. DRAWINGS
[0023] Figure 1 A perspective view of a clean laminar flow hood is provided for the utility model;
[0024] Figure 2 A rear perspective view of a clean laminar flow hood is provided for the utility model;
[0025] Figure 3 A side view of a clean laminar flow hood is provided for the utility model;
[0026] Figure 4 A Figure 3 enlarged view of A;
[0027] Figure 5 A partial structure schematic view of a clean laminar flow hood is provided for the utility model.
[0028] Legend:
[0029] 1, cover body, 2, ventilation board, 3, screw rod no. 1, 4, air outlet plate, 5, mesh plate, 6, fan, 7, filter, 8, first filter screen, 9, adsorption layer, 10, second filter screen, 11, filter bottom plate, 12, plug rod, 13, inner cover, 14, rotating block, 15, connecting rod, 16, sliding plate, 17, torsional spring, 18, connecting block, 19, screw rod no. 2, 20, convex groove, 21, extrusion block, 22, conical block, 23, movable block, 24, sliding slot, 25, spring, 26, through groove. DETAILED DESCRIPTION
[0030] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts under the premise that no creative efforts are made, belong to the scope of protection of the present application.
[0031] Referring to Figure 1 , Figure 2 , Figure 5 An embodiment provided by the present application: a clean laminar flow cover, comprising a cover body 1, both sides of the inside of the cover body 1 are provided with a ventilation plate 2, the bottom side of the inside of the cover body 1 is provided with an air outlet plate 4, the inside of the ventilation plate 2 and the air outlet plate 4 is screw-connected with a screw rod 1, one side of the screw rod 1 is externally screw-connected with a moving block 23, both sides of the inside of the moving block 23 are provided with a sliding groove 24, both sides of the inside of the moving block 23 are provided with a spring 25, one end of the spring 25 is fixedly connected to the inner wall of the sliding groove 24, the other end of the spring 25 is fixedly connected with a tapered block 22, both sides and the bottom of the inside of the cover body 1 are provided with uniformly distributed through grooves 26, the moving block 23 is slidingly connected in the inside of the through groove 26, one side of the moving block 23 is provided with an extrusion block 21, the extrusion block 21 is fixedly connected to one side of the inside of the through groove 26, the inside of the cover body 1 is fixedly connected with an inner cover 13, the inside of the inner cover 13 is fixedly connected with an upper side of a suction assembly, the suction assembly is used for sucking air, the moving block 23 is slidingly connected in the inside of the extrusion block 21, the tapered block 22 is slidingly connected in the inside of the sliding groove 24;
[0032] The suction assembly comprises a fan 6, the fan 6 is fixedly connected to the inside of the upper side of the inner cover 13, the upper part of the fan 6 is provided with a mesh plate 5, the mesh plate 5 is snap-connected to the inside of the upper side of the inner cover 13.
[0033] By rotating the screw rod 1, the moving block 23 moves in the inside of the through groove 26, passes through the extrusion block 21, the moving block 23 passes through the extrusion block 21 at the same time, because the diameter of the through hole provided in the inside of the extrusion block 21 is smaller than the length of the moving block 23 and the tapered block 22 together, the tapered block 22 is extruded, the tapered block 22 is extruded at the same time, the spring 25 is extruded, the tapered block 22 moves to the sliding groove 24, the moving block 23 can pass through the extrusion block 21 smoothly and separate from it, the ventilation plate 2 can be disassembled, cleaned and the mesh plate 5 can be disassembled and cleaned, the ventilation plate 2, the air outlet plate 4 and the mesh plate 5 can be quickly and conveniently disassembled and cleaned, the filter 7 can be disassembled, dust is prevented from adhering to the upper part, the indoor environment is prevented from being unable to be in a sterile state; by starting the fan 6, air is sucked into the inside of the cover body 1 through the ventilation plate 2, and is preliminarily filtered through the mesh plate 5, and is discharged through the air outlet plate 4.
[0034] Reference Figure 2 , Figure 3 , Figure 4 The inner side of the inner cover 13 is fixedly connected with a filter 7, the inside of the filter 7 is snap-connected with a first filter screen 8 from top to bottom, the bottom of the first filter screen 8 is provided with an adsorption layer 9, the bottom of the adsorption layer 9 is provided with a second filter screen 10, the bottom of the filter 7 is provided with a filter bottom plate 11, the bottom of the filter bottom plate 11 is provided with a rotating block 14, the upper part of the rotating block 14 is fixedly connected with a connecting rod 15, the outer part of the connecting rod 15 is slidingly connected with a sliding plate 16, the upper part of the sliding plate 16 is fixedly connected with a torsion spring 17, one end of the torsion spring 17 is fixedly connected with a connecting block 18, the upper part of the connecting block 18 is fixedly connected with a screw rod two 19, and the screw rod two 19 is threadedly connected in the inside of the filter 7.
[0035] The upper part of the filter bottom plate 11 is fixedly connected with a plug rod 12 at four edges, and the plug rod 12 is slidingly connected in the inside of the filter 7; the inside of the filter bottom plate 11 is provided with a convex groove 20 at four corners, the connecting rod 15, the sliding plate 16 and the connecting block 18 are slidingly connected in the inside of the convex groove 20, the torsion spring 17 is sleeved on the outer part of the connecting rod 15, and the connecting block 18 is fixedly connected at one end of the connecting rod 15.
[0036] Through the air entering the inside of the filter 7, the dust particles and the like are filtered and adsorbed in sequence through the first filter screen 8, the adsorption layer 9 and the second filter screen 10, so that the air is in a sterile state, and the air is filtered for the last time through the filter bottom plate 11, the indoor air is kept in a clean state through multiple filtering procedures, so as to avoid affecting the experiment or operation process from external pollution, the connecting rod 15 is moved by rotating the rotating block 14, the sliding plate 16, the connecting block 18 and the screw rod two 19 are rotated and moved, the screw rod two 19 is moved out of the inside of the filter 7, the sliding plate 16 is blocked from sliding on the outer part of the connecting rod 15 when the filter bottom plate 11 is fixedly connected with the filter 7 under the action of the convex groove 20, the torsion spring 17 is pulled to generate a rebounding force, the screw rod two 19 is tightly installed between the filter bottom plate 11 and the filter 7, when the sliding plate 16 is no longer blocked by the convex groove 20 to reset the torsion spring 17, the connecting block 18 drives the screw rod two 19 to move out of the filter 7, the filter bottom plate 11 can be pulled down to move the plug rod 12 to separate from the filter 7, the first filter screen 8, the adsorption layer 9 and the second filter screen 10 arranged inside can be disassembled, replaced or cleaned, so as to ensure that the device always effectively filters the air and keeps the indoor in a clean state.
[0037] Working principle: when the device is needed, by rotating the screw 3 to drive the moving block 23 through the extrusion block 21, while the moving block 23 passes through the extrusion block 21, the tapered block 22 and the spring 25 are extruded, the tapered block 22 moves to the chute 24, the moving block 23 is separated from the extrusion block 21, the ventilation plate 2 can be disassembled, cleaned and the mesh plate 5 can be disassembled and cleaned, realizing the quick and convenient disassembly and cleaning of the ventilation plate 2, the air outlet plate 4 and the mesh plate 5, and facilitating the disassembly of the filter 7, avoiding dust adhering to the upper part, so that the indoor environment cannot be in a sterile state;
[0038] By rotating the rotating block 14, the connecting rod 15, the sliding plate 16, the connecting block 18 and the screw 19 are moved, the sliding plate 16 is no longer blocked by the convex groove 20, the torsional spring 17 is reset, the connecting block 18 drives the screw 19 to move and rotate out of the inside of the filter 7, the filter bottom plate 11 can be separated from the filter 7, the first filter screen 8, the adsorption layer 9 and the second filter screen 10 inside can be disassembled and replaced or cleaned, ensuring that the device always effectively filters air and keeps the indoor environment clean.
[0039] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for the skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of the present application.
Claims
1. A clean laminar flow hood comprising a hood body (1), characterised in that: The inside of the cover body (1) is provided with ventilation plates (2) on the front and back sides, and is provided with an air outlet plate (4) on the bottom side, the inside of the ventilation plate (2) and the air outlet plate (4) is screw-connected with a screw rod (3), one side of the screw rod (3) is externally screw-connected with a moving block (23), the inside of the moving block (23) is provided with sliding grooves (24) on the left and right sides, the inside of the moving block (23) is provided with springs (25) on the left and right sides, one end of the spring (25) is fixedly connected with the inner wall of the sliding groove (24), the other end of the spring (25) is fixedly connected with a tapered block (22), the inside of the cover body (1) is provided with uniformly distributed through grooves (26) on the front and back sides and the bottom, the moving block (23) is slidingly connected in the through groove (26), one side of the moving block (23) is provided with an extrusion block (21), the extrusion block (21) is fixedly connected with one side of the inside of the through groove (26), the inside of the cover body (1) is fixedly connected with an inner cover (13), the inside of the inner cover (13) is fixedly connected with a suction assembly on the upper side, and the suction assembly is used for sucking air.
2. A clean laminar flow hood according to claim 1, wherein: The inside of the inner cover (13) is fixedly connected with a filter (7) on the lower side, the inside of the filter (7) is snap-connected with a first filter screen (8) from top to bottom, the bottom of the first filter screen (8) is provided with an adsorption layer (9), the bottom of the adsorption layer (9) is provided with a second filter screen (10), the bottom of the filter (7) is provided with a filter bottom plate (11), the bottom of the filter bottom plate (11) is provided with a rotating block (14), the upper part of the rotating block (14) is fixedly connected with a connecting rod (15), the outside of the connecting rod (15) is slidingly connected with a sliding plate (16), the upper part of the sliding plate (16) is fixedly connected with a torsional spring (17), one end of the torsional spring (17) is fixedly connected with a connecting block (18), the upper part of the connecting block (18) is fixedly connected with a screw rod (19), and the screw rod (19) is screw-connected in the inside of the filter (7).
3. A clean laminar flow hood according to claim 1, wherein: The suction assembly comprises a fan (6), the fan (6) is fixedly connected with the inside of the inner cover (13) on the upper side, and the upper part of the fan (6) is provided with a mesh plate (5) which is snap-connected with the inside of the inner cover (13) on the upper side.
4. A clean laminar flow hood according to claim 2, wherein: The upper part of the filter bottom plate (11) is fixedly connected with a plug rod (12) on four sides, and the plug rod (12) is slidingly connected in the inside of the filter (7).
5. A clean laminar flow hood according to claim 2, wherein: The inside of the filter bottom plate (11) is provided with convex grooves (20) on the four corners.
6. A clean laminar flow hood according to claim 2, wherein: The connecting rod (15), the sliding plate (16) and the connecting block (18) are slidingly connected in the inside of the convex groove (20).
7. A clean laminar flow hood as claimed in claim 1, wherein: The torsional spring (17) is sleeved on the outside of the connecting rod (15), and the connecting block (18) is fixedly connected with one end of the connecting rod (15).
8. A clean laminar flow hood according to claim 1, wherein: The moving block (23) is slidingly connected in the inside of the extrusion block (21). The tapered block (22) is slidingly connected in the inside of the sliding groove (24).