Laboratory ventilation cabinet with internal cleaning function
By designing a laboratory fume hood with internal cleaning functions, the sliding mechanism of the drive parts and cleaning parts can be used to realize automatic cleaning of the laboratory bench and the collection of residues, which solves the shortcomings of manual cleaning in the prior art and improves work efficiency and convenience of use.
Patent Information
- Application Number
- CN202421798883.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-27
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-07-27
AI Technical Summary
The existing laboratory fume hood needs to manually clean the residual substances on the laboratory bench after experimental operation, which increases the workload and inconvenience of use.
A laboratory fume hood with internal cleaning function was designed. The driving parts drive the sliding of the cleaning parts and the collectors. The driving mechanism of the stepper motor and threaded rod is used to enable the cleaning brush to automatically slide on the laboratory bench to clean the residue, and collect the cleaned residue into the collection box.
Automatic cleaning of the laboratory bench is realized, reducing the workload of manual cleaning, improving the convenience of use, and effectively avoiding material residues on the laboratory bench.
Smart Images
Figure CN222970577U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of chemical instruments, in particular to a laboratory fume hood with an internal cleaning function. Background Technique
[0002] The most important function of a fume hood is the exhaust function. In a chemical laboratory, various harmful gases, odors, moisture, as well as flammable, explosive, and corrosive substances are generated during experimental operations. To protect the safety of users and prevent the pollutants in the experiment from spreading to the laboratory, a fume hood should be used near the pollution source.
[0003] At present, for most laboratory fume hoods on the market, after people perform experimental operations, people need to manually clean the residues on the experimental table, which increases people's workload and brings convenience to people's use. Content of the Utility Model
[0004] The purpose of the utility model is to provide a laboratory fume hood with an internal cleaning function to solve the problem that people need to manually clean the residues on the experimental table as mentioned in the above background technique. To achieve the above purpose, the utility model provides the following technical scheme: A laboratory fume hood with an internal cleaning function, including a base, the inner wall of the base is fixedly connected to the outer wall of a ventilation member, one side of the base is fixedly connected to one side of a driving member, one side of the driving member is fixedly connected to one side of a cleaning member, and the outer wall of the cleaning member is fixedly connected to the inner wall of the base.
[0005] The inner wall of the base is slidably connected to the outer wall of a collecting member, and one side of the collecting member is fixedly connected to one side of the driving member.
[0006] Preferably, the base includes a storage cabinet, an experimental cabinet, and an experimental table. The top of the storage cabinet is fixedly connected to the bottom of the experimental cabinet, and the inner wall of the experimental cabinet is fixedly connected to the outer wall of the experimental table. One side of the experimental cabinet is respectively provided with a sliding groove one and a sliding groove two, and one side of the inner wall of the experimental cabinet is respectively provided with a limiting groove one and a limiting groove two. A ventilation hole is opened at the top of the experimental cabinet.
[0007] Preferably, the ventilation member is composed of a ventilation pipe, a ventilation fan, and a flow guide cover. The outer wall of the bottom end of the ventilation pipe is fixedly connected to the inner wall of the ventilation hole, and the inner wall of the bottom end of the ventilation pipe is fixedly sleeved with the outer wall of the ventilation fan. The bottom end of the ventilation pipe is fixedly connected to the top of the flow guide cover.
[0008] Preferably, the driving member includes a support shell, a pushing block, a threaded rod, a stepping motor and a fixing plate. One side of the support shell is fixedly connected to one side of the storage cabinet, and the outer wall of the support shell is slidably connected to the outer wall of the pushing block. Rotation holes are formed in the front and back of the inner wall of the support shell, and a threaded hole is formed in the inner wall of the pushing block. The outer wall of the threaded rod is threadedly connected to the inner wall of the threaded hole. The outer walls of both ends of the threaded rod are respectively rotatably connected to the inner walls of the two rotation holes, and one end of the back of the threaded rod penetrates through the inner wall of the support shell and extends to the outside. One end of the threaded rod located outside the support shell is fixedly connected to one end of the output shaft of the stepping motor through a coupling, and the bottom of the stepping motor is fixedly connected to the top wall of the fixing plate through bolts. The front of the fixing plate is fixedly connected to the back of the support shell.
[0009] Preferably, the cleaning member is composed of a first sliding block, a sliding rod, a first limiting block and a cleaning brush. One side of the first sliding block is fixedly connected to one side of the top of the pushing block, and the inner wall of the first sliding block is slidably connected to the inner wall of the first sliding groove. The other side of the first sliding block is fixedly connected to one side of the sliding rod, and the other side of the sliding rod is fixedly connected to one side of the first limiting block. The outer wall of the first limiting block is slidably connected to the inner wall of the first limiting groove. A fixing groove is formed at the bottom of the sliding rod, and the outer wall of the cleaning brush is fixedly connected to the inner wall of the fixing groove. The bottom of the cleaning brush is movably abutted against the top of the experimental table.
[0010] Preferably, the collecting member includes a second sliding block, a collecting box and a second limiting block. One side of the second sliding block is fixedly connected to one side of the bottom of the pushing block, and the outer wall of the second sliding block is slidably connected to the inner wall of the second sliding groove. The other side of the second sliding block is fixedly connected to one side of the collecting box, and the other side of the collecting box is fixedly connected to one side of the second limiting block. The outer wall of the second limiting block is slidably connected to the inner wall of the second limiting groove.
[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0012] In the present utility model, when the stepping motor is started, the coupling of the stepping motor drives the threaded rod to rotate. The threaded rod drives the pushing block to slide through the threaded engagement force with the threaded hole. The pushing block drives the first sliding block to slide. The first sliding block drives the sliding rod to slide. The sliding rod drives the cleaning brush to slide, so that the cleaning brush brushes off the residues on the experimental table, thereby completing the cleaning of the experimental table, effectively avoiding the substances generated during the experiment from remaining on the experimental table and bringing convenience to people.
[0013] In the present utility model, the threaded rod drives the pushing block to slide through the threaded engagement force with the threaded hole. While the pushing block drives the first sliding block to slide, it also drives the second sliding block to slide. The second sliding block drives the collecting box to slide to the front of the experimental cabinet to catch the residues brushed off by the cleaning brush on the experimental table, thereby completing the collection of the residues and bringing convenience to people's use. Brief Description of the Drawings
[0014] Figure 1 is a schematic diagram of the overall structure of the present utility model;
[0015] Figure 2 is a sectional view of the present utility model;
[0016] Figure 3 is an exploded view of the present utility model;
[0017] Figure 4 is an exploded view of the ventilation member in the present utility model;
[0018] Figure 5 is an exploded view of the driving member, the cleaning member and the collecting member in the present utility model.
[0019] In the figure: 1, base; 101, storage cabinet; 102, experimental cabinet; 103, experimental table; 2, ventilation member; 201, ventilation pipe; 202, ventilation fan; 203, flow guide cover; 3, driving member; 301, support shell; 302, push block; 303, threaded rod; 304, stepping motor; 305, fixing plate; 4, cleaning member; 401, first sliding block; 402, sliding rod; 403, first limiting block; 404, cleaning brush; 5, collecting member; 501, second sliding block; 502, collecting box; 503, second limiting block. Detailed Description of the Preferred Embodiment
[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0021] Please refer to Figures 1 to 5 , the present utility model provides a technical solution: a laboratory fume hood with an internal cleaning function, including a base 1, the inner wall of the base 1 is fixedly connected to the outer wall of the ventilation member 2, one side of the base 1 is fixedly connected to one side of the driving member 3, one side of the driving member 3 is fixedly connected to one side of the cleaning member 4, and the outer wall of the cleaning member 4 is fixedly connected to the inner wall of the base 1.
[0022] The inner wall of the base 1 is slidably connected to the outer wall of the collecting member 5, and one side of the collecting member 5 is fixedly connected to one side of the driving member 3.
[0023] In this embodiment, as Figure 1 , Figure 2 , Figure 3 , Figure 4 andFigure 5 As shown in the figure, the base 1 includes a storage cabinet 101, an experimental cabinet 102 and an experimental table 103. The top of the storage cabinet 101 is fixedly connected to the bottom of the experimental cabinet 102, and the inner wall of the experimental cabinet 102 is fixedly connected to the outer wall of the experimental table 103. One side of the experimental cabinet 102 is respectively provided with a first sliding groove and a second sliding groove, and one side of the inner wall of the experimental cabinet 102 is respectively provided with a first limiting groove and a second limiting groove. A ventilation hole is provided at the top of the experimental cabinet 102.
[0024] In this embodiment, as Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 shown, the ventilation member 2 is composed of a ventilation pipe 201, a ventilation fan 202 and a flow guide cover 203. The outer wall of the bottom end of the ventilation pipe 201 is fixedly connected to the inner wall of the ventilation hole, and the inner wall of the bottom end of the ventilation pipe 201 is fixedly sleeved with the outer wall of the ventilation fan 202. The bottom end of the ventilation pipe 201 is fixedly connected to the top of the flow guide cover 203.
[0025] In this embodiment, as Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 shown, the driving member 3 includes a support shell 301, a pushing block 302, a threaded rod 303, a stepping motor 304 and a fixing plate 305. One side of the support shell 301 is fixedly connected to one side of the storage cabinet 101, and the inner wall of the support shell 301 is slidably connected to the outer wall of the pushing block 302. Rotation holes are respectively provided on the front and back of the inner wall of the support shell 301, and a threaded hole is provided in the inner wall of the pushing block 302. The inner wall of the threaded hole is threadedly connected to the outer wall of the threaded rod 303. The outer walls of both ends of the threaded rod 303 are respectively rotatably connected to the inner walls of the two rotation holes, and one end of the back of the threaded rod 303 penetrates through the inner wall of the support shell 301 and extends to the outside. One end of the threaded rod 303 located outside the support shell 301 is fixedly connected to one end of the output shaft of the stepping motor 304 through a coupling, and the bottom of the stepping motor 304 is fixedly connected to the top wall of the fixing plate 305 through bolts. The front of the fixing plate 305 is fixedly connected to the back of the support shell 301. When the stepping motor 304 is started, the coupling of the stepping motor 304 drives the threaded rod 303 to rotate, and the threaded rod 303 drives the pushing block 302 to slide through the thread engagement force with the threaded hole.
[0026] In this embodiment, as Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown in the figure, the cleaning part 4 is composed of a first sliding block 401, a sliding rod 402, a first limiting block 403 and a cleaning brush 404. One side of the first sliding block 401 is fixedly connected to one side of the top of the pushing block 302, and the inner wall of the first sliding block 401 is slidably connected to the inner wall of the first sliding groove. The other side of the first sliding block 401 is fixedly connected to one side of the sliding rod 402, and the other side of the sliding rod 402 is fixedly connected to one side of the first limiting block 403. The outer wall of the first limiting block 403 is slidably connected to the inner wall of the first limiting groove. A fixing groove is formed at the bottom of the sliding rod 402, and the inner wall of the fixing groove is fixedly connected to the outer wall of the cleaning brush 404. The bottom of the cleaning brush 404 is movably abutted against the top of the experimental table 103. The pushing block 302 drives the first sliding block 401 to slide, the first sliding block 401 drives the sliding rod 402 to slide, and the sliding rod 402 drives the cleaning brush 404 to slide, so that the cleaning brush 404 brushes off the residues on the experimental table 103, thus completing the cleaning of the experimental table 103.
[0027] In this embodiment, as Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 shown in the figure, the collecting part 5 includes a second sliding block 501, a collecting box 502 and a second limiting block 503. One side of the second sliding block 501 is fixedly connected to one side of the bottom of the pushing block 302, and the outer wall of the second sliding block 501 is slidably connected to the inner wall of the second sliding groove. The other side of the second sliding block 501 is fixedly connected to one side of the collecting box 502, and the other side of the collecting box 502 is fixedly connected to one side of the second limiting block 503. The outer wall of the second limiting block 503 is slidably connected to the inner wall of the second limiting groove. When the pushing block 302 slides, it drives the second sliding block 501 and the first sliding block 401 to slide simultaneously. The second sliding block 501 slides to drive the collecting box 502, so that the collecting box 502 slides in front of the experimental cabinet 102 to catch the residues brushed off by the cleaning brush 404 on the experimental table 103.
[0028] The usage method and advantages of the present utility model: When the laboratory fume hood with an internal cleaning function is working, the working process is as follows:
[0029] As Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, start the stepping motor 304. The coupling of the stepping motor 304 drives the threaded rod 303 to rotate. The threaded rod 303 drives the pushing block 302 to slide through the threaded engagement force with the threaded hole. The pushing block 302 drives the first sliding block 401 to slide. The first sliding block 401 drives the sliding rod 402 to slide. The sliding rod 402 drives the cleaning brush 404 to slide, so that the cleaning brush 404 brushes off the residues on the experimental table 103, thus completing the cleaning of the experimental table 103. When the pushing block 302 slides, it drives the second sliding block 501 and the first sliding block 401 to slide simultaneously. The sliding of the second sliding block 501 drives the collection box 502, so that the collection box 502 slides in front of the experimental cabinet 102 to catch the residues brushed off by the cleaning brush 404 on the experimental table 103.
[0030] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art of this industry should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification are only the preferred examples of the present invention and are not used to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.
Claims
1. A laboratory fume hood with an internal cleaning function, comprising a base (1), characterized in that: The inner wall of the base (1) is fixedly connected to the outer wall of the ventilation member (2), one side of the base (1) is fixedly connected to one side of the driving member (3), one side of the driving member (3) is fixedly connected to one side of the cleaning member (4), and the outer wall of the cleaning member (4) is fixedly connected to the inner wall of the base (1); The inner wall of the base (1) is slidably connected to the outer wall of the collecting member (5), and one side of the collecting member (5) is fixedly connected to one side of the driving member (3).
2. A laboratory fume hood with internal cleaning function according to claim 1, characterized in that: The base (1) comprises a storage cabinet (101), a laboratory cabinet (102) and a laboratory table (103); the top of the storage cabinet (101) is fixedly connected to the bottom of the laboratory cabinet (102), and the inner wall of the laboratory cabinet (102) is fixedly connected to the outer wall of the laboratory table (103); a first sliding groove and a second sliding groove are respectively provided on one side of the laboratory cabinet (102), and a first limiting groove and a second limiting groove are respectively provided on one side of the inner wall of the laboratory cabinet (102); and a ventilation hole is provided on the top of the laboratory cabinet (102).
3. A laboratory fume hood with internal cleaning function according to claim 1, characterized in that: The ventilation member (2) is composed of a ventilation pipe (201), a ventilation fan (202) and a deflector (203); the outer wall of the bottom end of the ventilation pipe (201) is fixedly connected to the inner wall of the ventilation hole, and the inner wall of the bottom end of the ventilation pipe (201) is fixedly sleeved to the outer wall of the ventilation fan (202); the bottom end of the ventilation pipe (201) is fixedly connected to the top of the deflector (203).
4. A laboratory fume hood with internal cleaning function according to claim 2, characterized in that: The driving member (3) comprises a supporting shell (301), a pushing block (302), a threaded rod (303), a stepping motor (304) and a fixing plate (305); one side of the supporting shell (301) is fixedly connected to one side of the storage cabinet (101); the inner wall of the supporting shell (301) is slidably connected to the outer wall of the pushing block (302); the front and back sides of the inner wall of the supporting shell (301) are provided with rotation holes; the inner wall of the pushing block (302) is provided with a threaded hole; the inner wall of the threaded hole is threadedly connected to the outer wall of the threaded rod (303); The outer walls at both ends of the threaded rod (303) are rotatably connected to the inner walls of the two rotating holes respectively, and one end of the back side of the threaded rod (303) penetrates the inner wall of the supporting shell (301) and extends to the outside, and one end of the threaded rod (303) located outside the supporting shell (301) is fixedly connected to one end of the output shaft of the stepper motor (304) through a coupling, and the bottom of the stepper motor (304) is fixedly connected to the top wall of the fixing plate (305) through bolts, and the front side of the fixing plate (305) is fixedly connected to the back side of the supporting shell (301).
5. A laboratory fume hood with internal cleaning function according to claim 4, characterized in that: The cleaning member (4) is composed of a sliding block (401), a sliding rod (402), a limiting block (403) and a cleaning brush (404); one side of the sliding block (401) is fixedly connected to one side of the top of the pushing block (302), and the inner wall of the sliding block (401) is slidably connected to the inner wall of the sliding groove (1); the other side of the sliding block (401) is fixedly connected to one side of the sliding rod (402), and the other side of the sliding rod (402) is fixedly connected to one side of the limiting block (403); the outer wall of the limiting block (403) is slidably connected to the inner wall of the limiting groove (1); a fixing groove is provided at the bottom of the sliding rod (402), and the inner wall of the fixing groove is fixedly connected to the outer wall of the cleaning brush (404); the bottom of the cleaning brush (404) is movably abutted against the top of the laboratory table (103).
6. A laboratory fume hood with internal cleaning function according to claim 4, characterized in that: The collecting member (5) comprises a second sliding block (501), a collecting box (502) and a second limiting block (503); one side of the second sliding block (501) is fixedly connected to one side of the bottom of the pushing block (302), and the outer wall of the second sliding block (501) is slidably connected to the inner wall of the second sliding groove; the other side of the second sliding block (501) is fixedly connected to one side of the collecting box (502), and the other side of the collecting box (502) is fixedly connected to one side of the second limiting block (503), and the outer wall of the second limiting block (503) is slidably connected to the inner wall of the second limiting groove.