Detachable ventilation cabinet

Abstract

The utility model relates to the technical field of ventilation cabinets, and discloses a detachable ventilation cabinet which comprises a storage cabinet, a ventilation box body and a mounting plate, the two sides of the upper end of the storage cabinet and the two sides of the upper end of the ventilation box body are each provided with two inserting grooves, and the two sides of the lower end of the ventilation box body and the two sides of the lower end of the mounting plate are each fixedly connected with two inserting plates. Threaded holes are formed in one sides of the multiple inserting plates in a penetrating mode, threaded columns are in threaded connection with the interiors of the multiple threaded holes, gaskets are slidably connected with the outer walls of the multiple threaded columns, rotating seats are fixedly arranged at the ends, penetrating through the through holes, of the multiple threaded columns, and rotating shafts are rotatably arranged in the multiple rotating seats; and first handles are fixedly arranged on the outer walls of the multiple rotating shafts. According to the disassembly and assembly type ventilation cabinet, the storage cabinet, the ventilation box body and the air draft device can be quickly disassembled and assembled through the insertion grooves, the insertion plates, the threaded holes and the quick disassembly screws formed by combining the threaded columns, the gaskets, the rotating seats, the rotating shafts and the handles.

Description

Technical Field

[0001] The present application relates to the technical field of fume hoods, and in particular to a detachable fume hood. Background Art

[0002] Fume hoods are large equipment in chemical laboratories, used to reduce the contact between experimenters and harmful gases. Fume hoods are the primary barrier to protect personnel from the hazards of toxic chemical fumes. They can serve as important safety backup equipment and can effectively exhaust chemical fumes, dust and toxic gases generated during chemical experiments, thereby protecting workers and the laboratory environment.

[0003] The existing patent (Announcement No.: CN211679234U) discloses a one-piece benchtop fume hood for laboratory use, including a lower cabinet, an upper cabinet is provided at the upper end of the lower cabinet, and a fixed glass cabinet panel is embedded on the upper cabinet, fixed blocks are provided on both sides of the inner wall of the upper cabinet, and the fixed blocks are connected with movable support plates through a rotating shaft, and rectangular notches are provided at the corners of the lower end of the movable support plate, and the rectangular notches coincide with the corners of the upper end of the fixed strip, and the fixed strip is fixedly connected to the inner wall of the upper cabinet. The one-piece benchtop fume hood for laboratory use is provided with a movable support plate, which acts on the fixed block through a rotating shaft to form a rotating structure with it. This structure allows the movable support plate to be supported and positioned by the fixed strip during the rotation process, so that the experimental platform can be quickly built.

[0004] The above-mentioned comparative document points out that the device has a simple structure and an efficient disassembly and assembly process, which provides good preparation conditions for experimental work and allows the laboratory to use the one-piece desktop fume hood better and improve experimental efficiency. However, the device does not adopt a modular design. When repairing, the device needs to be disassembled as a whole for repair, so the convenience during maintenance is low. Utility Model Content

[0005] In view of the shortcomings of the prior art, the present application provides a detachable fume hood having the advantages of easy disassembly, etc., which solves the problem that the device does not adopt a modular design and needs to be disassembled as a whole for maintenance, thus having low convenience during maintenance.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical solutions: a detachable fume hood, comprising a storage cabinet, a fume box body and a mounting plate, wherein the storage cabinet and the fume box body have two slots on both sides of the upper end, the storage cabinet and the fume box body have two through holes on both sides, the fume box body and the mounting plate have two plug-in plates fixedly connected on both sides of the lower end, and a plurality of the plug-in plates have threaded holes on one side;

[0007] Multiple of the plug plates are slidably provided with slots inside, multiple of the threaded holes are threadedly connected with threaded columns, multiple of the threaded columns are slidably connected with gaskets on outer walls, multiple of the threaded columns are fixedly provided with rotating seats at one end passing through the through holes, multiple of the rotating seats are rotatably provided with rotating shafts inside, and multiple of the rotating shafts are fixedly provided with first handles on outer walls.

[0008] Through the above scheme, the storage cabinet, ventilation box body and exhaust device can be quickly disassembled and assembled through the slots, plug-in plates, threaded holes and quick-release screws composed of threaded columns, gaskets, rotating seats, rotating shafts and handles. When in use, the plug-in plates at the bottom of the ventilation box body and the bottom of the mounting plate are respectively inserted into the slots at the upper end of the storage cabinet and the storage box body, and then the threaded column is passed through the through hole and threadedly connected to the threaded hole, and then the ventilation box body is fixed to the upper end of the storage cabinet, and the exhaust device is installed on the upper end of the ventilation box body, and then the first handle is rotated to make it cooperate with the gasket, and then the threaded column is fixed. The device has the function of quickly disassembling and assembling the storage cabinet, ventilation box body and exhaust device, which is convenient for installation of the device or the storage cabinet, ventilation box body and exhaust device can be repaired or replaced separately.

[0009] Furthermore, one side of the storage cabinet is rotatably connected with four cabinet doors via hinges.

[0010] With the above solution, the cabinet door can be flipped over by means of hinges.

[0011] Furthermore, a second handle is fixedly connected to one side of each of the four cabinet doors.

[0012] Through the above solution, the second handle is provided to facilitate opening and closing of the cabinet door.

[0013] Furthermore, slide rails are provided on both sides of the ventilation box body, and sliders are slidably connected inside the two slide rails, a box door is fixedly connected between the two sliders, and a first slide groove is provided on one side of the upper end of the ventilation box body.

[0014] Through the above solution, the box door can be slid open and closed on one side of the ventilation box body through the cooperation of the slider and the slide rail.

[0015] Furthermore, an exhaust duct is provided inside the mounting plate, an exhaust fan is fixedly connected to the upper end of the exhaust duct, a second slide groove is provided on one side of the exhaust duct, a slide plate is slidably connected inside the second slide groove, a gas filter is provided inside the slide plate, and a third slide groove is provided on one side of the upper end of the mounting plate.

[0016] Through the above scheme, the fan draws out the air inside the ventilation box, and the harmful substances contained in the gas are filtered through the gas filter inside the slide plate, and the slide plate can be disassembled and assembled through the second slide groove.

[0017] Furthermore, the first sliding groove corresponds to the third sliding groove, and the box door is slidably arranged inside the first sliding groove and the third sliding groove.

[0018] According to the above solution, when the door is opened, the first sliding groove and the third sliding groove are passed through.

[0019] Furthermore, two sealing rings are fixedly connected to the bottom end of the outer wall of the exhaust pipe.

[0020] Through the above solution, the sealing ring is provided to increase the sealing between the mounting hole and the exhaust pipe.

[0021] Furthermore, the bottom end of the exhaust pipe is slidably arranged inside the mounting hole.

[0022] According to the above scheme, when installing the exhaust device, the bottom end of the exhaust pipe is inserted into the installation hole and extended to the inside of the exhaust box body.

[0023] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0024] The disassembled fume hood can realize the rapid disassembly and assembly of the storage cabinet, the fume box body and the exhaust device through the slots, the plug-in plates, the threaded holes and the quick-release screws composed of the threaded columns, the gaskets, the rotating seats, the rotating shafts and the handles. When in use, the plug-in plates at the bottom end of the fume box body and the bottom end of the mounting plate are respectively inserted into the slots at the top end of the storage cabinet and the storage box body, and then the threaded columns are passed through the through holes and threadedly connected with the threaded holes, and then the fume box body is fixed to the top end of the storage cabinet, and the exhaust device is installed on the top end of the fume box body, and then the first handle is rotated to make it cooperate with the gasket, and then the threaded columns are fixed. The device has the function of rapid disassembly and assembly of the storage cabinet, the fume box body and the exhaust device, which is convenient for installation of the device or the storage cabinet, the fume box body and the exhaust device can be repaired or replaced separately. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the overall structure of this application;

[0026] Figure 2 A schematic diagram of a storage cabinet structure of the present application;

[0027] Figure 3 This is a schematic diagram of the ventilation box structure of the present application;

[0028] Figure 4 A schematic diagram of the exhaust pipe structure of the present application;

[0029] Figure 5 A schematic diagram of the quick-release screw structure of the present application;

[0030] Figure 6This is a schematic diagram of the box door structure of the present application.

[0031] In the figure:

[0032] 1. Storage cabinet; 2. Ventilation box body; 3. Mounting plate; 4. Slot; 5. Through hole; 6. Insert plate; 7. Threaded hole; 8. Mounting hole; 9. Threaded column; 10. Gasket; 11. Rotating seat; 12. Rotating shaft; 13. First handle; 14. Cabinet door; 15. Second handle; 16. Slide rail; 17. Slider; 18. Box door; 19. First slide; 20. Exhaust duct; 21. Exhaust fan; 22. Sealing ring; 23. Second slide; 24. Slide plate; 25. Third slide; 26. Gas filter. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0034] See also Figure 1 , Figure 2 and Figure 3 A detachable fume hood in this embodiment includes a storage cabinet 1, a fume box body 2 and a mounting plate 3. Two slots 4 are provided on both sides of the upper ends of the storage cabinet 1 and the fume box body 2. The slots 4 are provided for positioning. Two through holes 5 are provided on both sides of the storage cabinet 1 and the fume box body 2. The through holes 5 are provided for passing quick-release screws.

[0035] See also Figure 1 , Figure 3 and Figure 4 Two plug plates 6 are fixedly connected to both sides of the lower ends of the ventilation box body 2 and the mounting plate 3. The plug plates 6 are used to be inserted into the slots 4 to prevent displacement after installation. Threaded holes 7 are penetrated on one side of the multiple plug plates 6, and the multiple plug plates 6 are slidably arranged inside the slots 4.

[0036] See also Figure 1 and Figure 5 , multiple threaded holes 7 are threadedly connected with threaded columns 9, and the outer walls of multiple threaded columns 9 are slidably connected with gaskets 10, which are made of rubber material. One end of multiple threaded columns 9 passing through the through holes 5 is fixedly provided with a rotating seat 11, and multiple rotating seats 11 are rotatably provided with rotating shafts 12 inside. The outer walls of multiple rotating shafts 12 are fixedly provided with first handles 13, and the first handles 13 can be rotated through the rotating shafts 12.

[0037] See also Figure 2 , Figure 3 and Figure 6 One side of the storage cabinet 1 is connected with four cabinet doors 14 through hinges, and the cabinet doors 14 can be flipped through the hinges. One side of the four cabinet doors 14 is fixedly connected with a second handle 15, and the second handle 15 is provided for facilitating the opening and closing of the cabinet doors 14. Slide rails 16 are provided on both sides of the ventilation box body 2, and sliders 17 are slidably connected inside the two slide rails 16. A cabinet door 18 is fixedly connected between the two sliders 17. A first slide groove 19 is provided on one side of the upper end of the ventilation box body 2, and the cabinet door 18 can be slid open and closed on one side of the ventilation box body 2 through the cooperation of the slider 17 and the slide rail 16.

[0038] See also Figure 3 , Figure 4 and Figure 6 An exhaust pipe 20 is provided inside the mounting plate 3, and an exhaust fan 21 is fixedly connected to the upper end of the exhaust pipe 20. A second slide groove 23 is provided on one side of the exhaust pipe 20, and a slide plate 24 is slidably connected inside the second slide groove 23. A gas filter 26 is provided inside the slide plate 24. A third slide groove 25 is provided on one side of the upper end of the mounting plate 3. The exhaust fan 21 extracts the air inside the ventilation box body 2, and the gas filter 26 inside the slide plate 24 filters the harmful substances contained in the gas, and the slide plate 24 can be disassembled and assembled through the second slide groove 23. The first slide groove 19 corresponds to the third slide groove 25, and the box door 18 is slidably arranged inside the first slide groove 19 and the third slide groove 25. When the box door 18 is opened, it passes through the first slide groove 19 and the third slide groove 25. Two sealing rings 22 are fixedly connected to the bottom end of the outer wall of the exhaust pipe 20. The sealing ring 22 is set to increase the sealing between the mounting hole 8 and the exhaust pipe 20. The bottom end of the exhaust pipe 20 is slidably arranged inside the mounting hole 8. When the exhaust device is installed, the bottom end of the exhaust pipe 20 is inserted into the mounting hole 8 and extends to the inside of the ventilation box body 2.

[0039] In the present embodiment, the detachable fume hood can realize the rapid disassembly and assembly of the storage cabinet 1, the fume box body 2 and the exhaust device through the slot 4, the plug plate 6, the threaded hole 7 and the quick-release screw composed of the threaded column 9, the gasket 10, the rotating seat 11, the rotating shaft 12 and the handle. When in use, the plug plate 6 at the bottom end of the fume box body 2 and the bottom end of the mounting plate 3 are respectively inserted into the slot 4 at the upper end of the storage cabinet 1 and the storage box body, and then the threaded column 9 is passed through the through hole 5 and threadedly connected with the threaded hole 7, and then the fume box body 2 is fixed to the upper end of the storage cabinet 1, and the exhaust device is installed on the upper end of the fume box body 2, and then the first handle 13 is rotated to make it cooperate with the gasket 10, and then the threaded column 9 is fixed. The device has the function of rapidly disassembling and assembling the storage cabinet 1, the fume box body 2 and the exhaust device, which is convenient for installing the device or the storage cabinet 1, the fume box body 2 and the exhaust device can be repaired or replaced separately.

[0040] It should be noted that the rotating end of the first handle 13 is an eccentric disc which can press the gasket 10 after rotation, thereby preventing the threaded column 9 from loosening during use.

[0041] The working principle of the above embodiment is:

[0042] During installation, the plug plates 6 at the bottom of the ventilation box body 2 and the mounting plate 3 are respectively inserted into the slots 4 at the upper ends of the storage cabinet 1 and the ventilation box body 2, and then the threaded column 9 is passed through the through hole 5 and threadedly connected with the threaded hole 7, and then the ventilation box body 2 is fixed to the upper end of the storage cabinet 1, and the exhaust device is installed on the upper end of the ventilation box body 2, and then the first handle 13 is rotated to make it cooperate with the gasket 10, and then the threaded column 9 is fixed. When in use, the slide plate 24 is first installed through the second slide groove 23 to install the gas filter 26 in the exhaust pipe 20, and then the exhaust fan 21 is started to extract the air inside the ventilation box body 2 through the exhaust pipe 20. At the same time, the harmful gas is filtered through the gas filter 26 inside the slide plate 24 to meet the emission standards.

[0043] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0044] Although the embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A detachable fume hood, comprising a storage cabinet (1), a fume hood body (2) and a mounting plate (3), characterized in that: The storage cabinet (1) and the ventilation box body (2) are provided with two slots (4) on both sides of the upper end, the storage cabinet (1) and the ventilation box body (2) are provided with two through holes (5) on both sides, the ventilation box body (2) and the mounting plate (3) are fixedly connected with two plug plates (6) on both sides of the lower end, and a plurality of the plug plates (6) are provided with threaded holes (7) on one side thereof; The plurality of insert plates (6) are all slidably provided inside the slots (4), the plurality of threaded holes (7) are all threadedly connected inside with threaded columns (9), the outer walls of the plurality of threaded columns (9) are all slidably connected with gaskets (10), the plurality of threaded columns (9) are fixedly provided with rotating seats (11) at one end passing through the through holes (5), the plurality of rotating seats (11) are rotatably provided with rotating shafts (12), and the outer walls of the plurality of rotating shafts (12) are all fixedly provided with first handles (13).

2. A detachable fume hood according to claim 1, characterized in that: One side of the storage cabinet (1) is rotatably connected to four cabinet doors (14) via hinges.

3. A detachable fume hood according to claim 2, characterized in that: A second handle (15) is fixedly connected to one side of each of the four cabinet doors (14).

4. The detachable fume hood according to claim 1, characterized in that: Slide rails (16) are provided on both sides of the ventilation box body (2), and sliders (17) are slidably connected inside the two slide rails (16), and a box door (18) is fixedly connected between the two sliders (17). A first slide groove (19) is provided on one side of the upper end of the ventilation box body (2).

5. The detachable fume hood according to claim 1, characterized in that: An exhaust pipe (20) is provided inside the mounting plate (3), an exhaust fan (21) is fixedly connected to the upper end of the exhaust pipe (20), a second slide groove (23) is provided on one side of the exhaust pipe (20), a slide plate (24) is slidably connected inside the second slide groove (23), a gas filter (26) is provided inside the slide plate (24), and a third slide groove (25) is provided on one side of the upper end of the mounting plate (3).

6. The detachable fume hood according to claim 4, characterized in that: The first sliding groove (19) corresponds to the third sliding groove (25), and the box door (18) is slidably arranged inside the first sliding groove (19) and the third sliding groove (25).

7. The detachable fume hood according to claim 5, characterized in that: Two sealing rings (22) are fixedly connected to the bottom end of the outer wall of the exhaust pipe (20).

8. The detachable fume hood according to claim 5, characterized in that: The bottom end of the exhaust pipe (20) is slidably disposed inside the mounting hole (8).

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