Novel biological safety cabinet for chemical experiment
Patent Information
- Application Number
- CN202323405864.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-14
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2033-12-14
Smart Images
Figure CN222369124U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of biological safety cabinets, and in particular relates to a novel biological safety cabinet for chemical experiments. Background Art
[0002] Chemical biological safety cabinets are used to provide operators with a better working platform when doing chemical experiments or developing chemical drug formulas, which require a good experimental environment and observation environment. They can also protect the operator himself, the laboratory environment, and experimental materials from exposure to infectious aerosols and splashes that may be generated during the above operations.
[0003] However, the biological safety cabinets currently available on the market for chemical experiments have some defects during use. For example, in chemical experiments that compare the chemical reaction phenomena and results of two or more chemicals, the chemicals need to be placed in a closed biological cabinet in batches without changing the existing environmental factors in the biological cabinet. The biological cabinets required for this chemical reaction cannot meet the requirements of existing biological cabinets. Utility Model Content
[0004] The utility model aims to provide a novel biological safety cabinet for chemical experiments, so as to solve the problem that when performing comparative chemical experiments in the existing biological cabinets, chemicals cannot be placed in the closed biological cabinet in batches without changing the existing internal environmental factors.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: including a cabinet body and a work platform, the work platform is located inside the cabinet body, and a glass door is installed on one side of the cabinet body, an external object transfer box is welded to the outer wall of one side of the cabinet body, and a box door is hinged on one side of the external object transfer box, and a transfer hole is opened at the position where the cabinet body and the external object transfer box are connected, a slide rail is welded to the top of the work platform, and an internal object transfer box and an electric telescopic rod are installed on the slide rail, the internal object transfer box is located on one side of the electric telescopic rod, and a slider is fixedly connected to the bottom end of the internal object transfer box by bolts, and the slider is slidably connected to the slide rail, and sealing strips are provided on one side of the box door and one side of the internal object transfer box.
[0006] Preferably, the interior of the inner transfer box is provided with an anti-skid mat, and a wide-mouth bottle is placed on the anti-skid mat.
[0007] Preferably, a glove hole is provided on the glass door.
[0008] Preferably, a lamp is installed inside the cabinet.
[0009] Preferably, a switch is installed on an outer wall of one side of the cabinet, and the switch is electrically connected to the electric telescopic rod.
[0010] Preferably, a storage cabinet is provided at the bottom of the cabinet.
[0011] Compared with the prior art, the utility model has the following beneficial effects:
[0012] (1) The utility model adopts a structure in which two boxes are used to transfer chemicals into a closed cabinet. The inner transfer box is moved toward the outer transfer box until the sealing strip on the inner transfer box is tightly fitted with the cabinet, and then the chemicals can be placed. After the box door is closed to seal the outer transfer box, the chemicals can be transferred. The closed structure of the outer transfer box and the sealing of the inner transfer box and the cabinet isolate the interior from the external environment, thereby reducing the impact of the transfer on the experimental results.
[0013] (2) The utility model is provided with an electric telescopic rod driving structure, by which the inner object transfer box is moved on the slide rail through the extension and retraction of the electric telescopic rod, and the movement direction of the inner object transfer box is adjusted by a switch, thereby assisting in the transfer of chemicals and making the entire transfer process more convenient. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a front view of the utility model;
[0015] Figure 2 It is a top view of the utility model;
[0016] Figure 3 for Figure 1 The enlarged view of point A in the middle;
[0017] In the figure: 1-cabinet, 2-light, 3-glass door, 4-working platform, 5-storage cabinet, 6-sealing strip, 7-external transfer box, 8-box door, 9-anti-slip mat, 10-inner transfer box, 11-slide rail, 12-slider, 13-wide-mouth bottle, 14-transfer hole, 15-electric telescopic rod, 16-glove hole, 17-switch. DETAILED DESCRIPTION
[0018] 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.
[0019] See also Figure 1-Figure 3As shown, the utility model provides the following technical solutions: it includes a cabinet 1 and a work platform 4, the work platform 4 is located inside the cabinet 1, and a glass door 3 is installed on one side of the cabinet 1, an outer wall of one side of the cabinet 1 is welded with an outer object transfer box 7, and a box door 8 is hinged on one side of the outer object transfer box 7. When the outer object transfer box 7 is not transferring items or after placing items, the box door 8 is in a closed state to prevent the external environment from affecting the interior, a transfer hole 14 is opened at the position where the cabinet 1 is connected to the outer object transfer box 7, a slide rail 11 is welded on the top of the work platform 4, and an inner object transfer box 10 and an electric telescopic rod 15 are installed on the slide rail 11, the inner object transfer box 10 is located on one side of the electric telescopic rod 15, and the bottom end of the inner object transfer box 10 is fixedly connected by bolts. There is a slider 12, which is slidably connected to the slide rail 11. A sealing strip 6 is provided on one side of the box door 8 and one side of the inner object transfer box 10. The inner object transfer box 10 and the outer object transfer box 7 are respectively located on both sides of the object transfer hole 14. The inner object transfer box 10 can move in the object transfer hole 14, and the inner object transfer box 10 can be sleeved inside the outer object transfer box 7. The electric telescopic rod 15, the slide rail 11 and the slider 12 cooperate together to make the inner object transfer box 10 slide horizontally. When the inner object transfer box 10 slides to the position closest to the object transfer hole 14, the sealing strip 6 installed on the inner object transfer box 10 fits tightly against the inner wall of the cabinet 1, thereby isolating the internal and external environments. At this time, the box door 8 of the outer object transfer box 7 can be opened to place chemicals and the box door 8 can be closed, and the inner object transfer box 10 can be moved to complete the transfer.
[0020] In order to make the transfer process more stable, in this embodiment, preferably, an anti-skid mat 9 is provided inside the inner transfer box 10, and a wide-mouth bottle 13 is placed on the anti-skid mat 9. The anti-skid mat 9 prevents the transferred chemicals from sliding inside the inner transfer box 10, and the wide-mouth bottle 13 can conveniently store liquid chemicals.
[0021] In order to facilitate the taking and use of the introduced objects, in this embodiment, preferably, a glove hole 16 is opened on the glass door 3, and the operator can take out the introduced chemicals through the glove hole 16.
[0022] In order to observe the situation inside the cabinet more clearly, in this embodiment, preferably, a lamp 2 is installed inside the cabinet body 1.
[0023] In order to make the transfer process more efficient, in this embodiment, preferably, a switch 17 is installed on an outer wall of one side of the cabinet 1, and the switch 17 is electrically connected to the electric telescopic rod 15.
[0024] In order to facilitate the storage of items, in this embodiment, preferably, a storage cabinet 5 is provided at the bottom of the cabinet body 1.
[0025] The working principle and use process of the utility model are as follows: before the transfer, the door 8 of the outer transfer box 7 is in a closed state. After the experiment starts, the glass door 3 is in a closed state. To transfer chemicals inward, the switch 17 must be pressed first, so that the electric telescopic rod 15 pushes the inner transfer box 10 on the slide rail 11 to move toward the outer transfer box 7, until the sealing strip 6 on the inner transfer box 10 is tightly fitted with the cabinet 1. Release the switch 17 to stop the electric telescopic rod 15 from working. At this time, the experimental space is sealed, and the inner transfer box 10 is located outside. The inside of the object transfer box 7 is opened, and then the door 8 of the outer object transfer box 7 is opened, and the chemicals to be transferred are placed on the anti-slip mat 9 inside the inner object transfer box 10 or in the wide-mouth bottle 13, and the door 8 is closed. At this time, the outer object transfer box 7 and the experimental space form a sealed environment, and then the switch 17 is pressed to make the electric telescopic rod 15 pull the inner object transfer box 10 on the slide rail 11 away from the outer object transfer box 7, and the switch 17 is released until the electric telescopic rod 15 returns to its initial length, and then the chemicals that have been transferred are removed through the glove hole 16 for use.
[0026] Although embodiments of the present invention 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 invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A novel biological safety cabinet for chemical experiments, comprising a cabinet body (1) and a work platform (4), wherein the work platform (4) is located inside the cabinet body (1), and a glass door (3) is installed on one side of the cabinet body (1), characterized in that: An outer material transfer box (7) is welded to the outer wall of one side of the cabinet (1), and a cabinet door (8) is hingedly connected to one side of the outer material transfer box (7). A material transfer hole (14) is provided at the position where the cabinet (1) and the outer material transfer box (7) are connected. A slide rail (11) is welded to the top of the working platform (4), and an inner material transfer box (10) and an electric telescopic rod (15) are installed on the slide rail (11). The inner material transfer box (10) is located on one side of the electric telescopic rod (15), and a slider (12) is fixedly connected to the bottom end of the inner material transfer box (10) by bolts. The slider (12) is slidably connected to the slide rail (11), and a sealing strip (6) is provided on one side of the cabinet door (8) and one side of the inner material transfer box (10).
2. A novel biological safety cabinet for chemical experiments according to claim 1, characterized in that: The interior of the internal transfer box (10) is provided with an anti-skid pad (9), and a wide-mouth bottle (13) is placed on the anti-skid pad (9).
3. A novel biological safety cabinet for chemical experiments according to claim 1, characterized in that: The glass door (3) is provided with a glove hole (16).
4. A novel biological safety cabinet for chemical experiments according to claim 1, characterized in that: A lamp (2) is installed inside the cabinet (1).
5. A novel biological safety cabinet for chemical experiments according to claim 1, characterized in that: A switch (17) is installed on one side outer wall of the cabinet (1), and the switch (17) is electrically connected to the electric telescopic rod (15).
6. A novel biological safety cabinet for chemical experiments according to claim 1, characterized in that: A storage cabinet (5) is provided at the bottom of the cabinet body (1).