Classroom experiment rack for food chemical engineering
By designing an adjustable test tube stand and height adjustment system on the food chemical engineering experimental stand, the problem that the existing experimental stand cannot place test tubes of different sizes is solved, and the applicability and flexibility for test tubes of different diameters is achieved.
Patent Information
- Application Number
- CN202421655213.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-14
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-07-14
AI Technical Summary
The existing food chemical engineering experimental racks cannot effectively place test tubes of different sizes, which leads to difficulties in using test tubes of different diameters in experiments.
An experimental rack including a test tube rack, a connecting plate, a placing step, a limit ring and a magnet was designed. The test tube rack was driven to move through an electric cylinder, and the combination of the limit ring and magnet was used to adapt to test tubes of different diameters; at the same time, the height adjustment of the test tube rack was achieved by the coordination of the moving plate, chamber, slider, slider and adjustment handwheel.
The applicability to test tubes of different diameters is achieved, the applicability and flexibility of the experimental stand is improved, and the experimental operation is facilitated.
Smart Images
Figure CN222855515U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of an experimental rack, and more specifically, particularly relates to an experimental rack used in classrooms of food chemical engineering. Background Art
[0002] Food chemical engineering experimental racks usually refer to experimental rack equipment used in food chemical engineering laboratories. Their main function is to support and fix the equipment and instruments required in the experiment so as to carry out various food processing, analysis or preparation experiments. These experimental racks are usually made of corrosion-resistant materials, such as stainless steel or alloy materials, to ensure safety and durability in chemical experiments. Among them, Chinese patent number:
[0003] CN216573220U discloses a classroom experimental rack for food chemical engineering, comprising an experimental table, a test tube rack lifting mechanism and a test tube rack. A workbench is installed on the top of the experimental rack, and a cover plate is installed on the workbench through hinges. A storage cavity is arranged inside the experimental rack, and a test tube rack lifting mechanism is arranged inside the storage cavity. The lifting mechanism comprises a motor, a gear and a rack. When not in use, the test tubes can be stored inside the experimental rack for safekeeping and covered by the cover plate, thereby saving space on the workbench and having a certain dustproof effect. Multiple groups of through holes are arranged on the top of the test tube rack for placing the test tubes, and a test tube clamping groove is arranged on the top of the test tube supporting plate to support the bottom of the test tube. Multiple groups of rubber pads are arranged on the inner wall of the through hole, and the test tube can be clamped inside by the rubber pad, so as to play a certain protective role on the tube body and prevent shaking during movement, collision with each other, and the problem of test tube breakage.
[0004] Based on the above, the inventors have found the following problems: the above patent can effectively place test tubes, save workbench space and have a certain dust-proof effect, but the test tubes have different sizes and diameters, and test tubes of different diameters may be used in experiments, and the existing experimental racks cannot place test tubes of different sizes well.
[0005] Therefore, in view of this, the existing structure and defects are studied and improved, and a classroom experimental stand for food chemical engineering is provided, in order to achieve the purpose of having more practical value. Utility Model Content
[0006] In order to solve the above technical problems, the utility model provides a classroom experimental rack for food chemical engineering to solve the problem that the existing experimental rack cannot well place test tubes of different sizes.
[0007] The purpose and effect of the classroom experimental stand for food chemical engineering of the utility model are achieved by the following specific technical means:
[0008] A classroom experimental rack for food chemical engineering comprises an experimental table, a straight groove is provided on the surface of the experimental table, a cover plate is installed in the straight groove by a hinge, an electric cylinder is installed in the experimental table, a test tube rack is installed at the output end of the electric cylinder, the test tube rack is located in the straight groove, a connecting plate is installed on the surface of the test tube rack, a plurality of grooves are provided on the surface of the connecting plate, a placement step is arranged in the groove, a limiting ring is installed on the surface of the placement step, the limiting ring has different diameters, a first magnet is installed on the surface of the placement step, a second magnet is installed at the bottom of the limiting ring, and the first magnet and the second magnet attract each other with opposite sexes.
[0009] Furthermore, the connecting plate is composed of a plurality of movable plates, the number of the movable plates corresponds to the number of the slots, a chamber is arranged in the test tube rack, a plurality of slide grooves are arranged on the surface of the test tube rack, the slide grooves extend into the chamber, a slider is installed on the surface of the movable plate, the slider passes through the slide grooves and extends into the chamber, a threaded rod is installed through the surface of the slider, the threaded rod extends to the outside of the test tube rack, and an adjusting hand wheel is installed on the surface of the threaded rod located outside the test tube rack.
[0010] Furthermore, a finger groove is provided on the surface of the limiting ring.
[0011] Furthermore, a cabinet door is installed on the surface of the experimental bench.
[0012] Furthermore, a plurality of drawers are installed on the surface of the experimental table.
[0013] Furthermore, a plurality of placement boxes are placed in one of the drawers, and placement slots are provided in the placement boxes.
[0014] Furthermore, a water pool is installed on the surface of the experimental table, and a faucet is installed on one side of the water pool.
[0015] Compared with the prior art, the utility model has the following beneficial effects:
[0016] The utility model uses the test tube rack, the connecting plate, the slot, the placement step, the limit ring, the first magnet and the second magnet in coordination. When an experiment is needed, it is only necessary to start the electric cylinder, which will drive the test tube rack to move in the straight slot. The movement of the test tube rack will push open the cover plate. When the test tube rack moves to a specified position, a suitable limit ring is selected according to the needs of the experiment, and then the second magnet on the surface of the limit ring is assembled with the second step in the placement step. Through the above design, it can be applied to test tubes with different diameters, which greatly improves the applicability.
[0017] Through the coordinated use of the moving plate, the chamber, the slide groove, the slider, the threaded rod and the adjusting hand wheel, when the adjusting hand wheel is rotated, the rotation of the adjusting hand wheel will drive the threaded rod to rotate, the rotation of the threaded rod will drive the slider to move in the slide groove, and the movement of the slider will drive the moving plate to move. Through the above design, the height of the moving plate can be quickly adjusted, so that test tubes of different heights can be placed conveniently, further improving the applicability. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 The utility model is a three-dimensional schematic diagram of an experimental frame for classrooms used in food chemical engineering.
[0019] Figure 2 The utility model is a partial schematic diagram of an experimental frame for classrooms used in food chemical engineering.
[0020] Figure 3 The utility model is a partial schematic diagram of an experimental frame for classrooms used in food chemical engineering.
[0021] Figure 4 The utility model discloses a cutaway assembly schematic diagram of a classroom experimental rack test tube rack for food chemical engineering.
[0022] Figure 5 The utility model is a schematic diagram of a classroom experimental rack placement box for food chemical engineering.
[0023] Figure 6 The utility model is a classroom experimental stand for food chemical engineering. Figure 4 Enlarged schematic diagram of point A in the middle.
[0024] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:
[0025] 1. Laboratory table; 2. Straight groove; 3. Cover plate; 4. Electric cylinder; 5. Test tube rack; 6. Connecting plate; 7. Slot; 8. Placement step; 9. Limiting ring; 10. First magnet; 11. Second magnet; 12. Moving plate; 13. Chamber; 14. Slide; 15. Slider; 16. Threaded rod; 17. Adjustment hand wheel; 18. Finger groove; 19. Cabinet door; 20. Drawer; 21. Placement box; 22. Placement groove; 23. Sink; 24. Faucet. DETAILED DESCRIPTION
[0026] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.
[0027] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0028] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0029] Example:
[0030] As attached Figure 1 To Attachment Figure 6 As shown:
[0031] The utility model provides a classroom experimental rack for food chemical engineering, comprising an experimental table 1, a straight groove 2 is provided on the surface of the experimental table 1, a cover plate 3 is installed in the straight groove 2 through a hinge, an electric cylinder 4 is installed in the experimental table 1, a test tube rack 5 is installed at the output end of the electric cylinder 4, the test tube rack 5 is located in the straight groove 2, a connecting plate 6 is installed on the surface of the test tube rack 5, a plurality of slots 7 are provided on the surface of the connecting plate 6, a placement step 8 is arranged in the slot 7, a limiting ring 9 is installed on the surface of the placement step 8, the limiting ring 9 has different diameters, a first magnet 10 is installed on the surface of the placement step 8, a second magnet 11 is installed at the bottom of the limiting ring 9, and the first magnet 10 and the second magnet 11 are attracted to each other by opposite sexes.
[0032] Through the coordinated use of the test tube rack 5, the connecting plate 6, the slot 7, the placement step 8, the limiting ring 9, the first magnet 10 and the second magnet 11, when an experiment is needed, it is only necessary to start the electric cylinder 4, which will drive the test tube rack 5 to move in the straight slot 2, and the movement of the test tube rack 5 will push open the cover plate 3. When the test tube rack 5 moves to the specified position, a suitable limiting ring 9 is selected according to the needs of the experiment, and then the second magnet 11 on the surface of the limiting ring 9 is assembled with the second step in the placement step 8. Through the above design, it can be applicable to test tubes of different diameters, which greatly improves the applicability.
[0033] Among them, the connecting plate 6 is composed of a plurality of movable plates 12, the number of the movable plates 12 corresponds to the number of the slots 7 one by one, a chamber 13 is arranged in the test tube rack 5, a plurality of slide grooves 14 are arranged on the surface of the test tube rack 5, the slide grooves 14 extend into the chamber 13, a slider 15 is installed on the surface of the movable plate 12, the slider 15 passes through the slide groove 14 and extends into the chamber 13, a threaded rod 16 is installed on the surface of the slider 15, the threaded rod 16 extends to the outside of the test tube rack 5, and an adjusting hand wheel 17 is installed on the surface of the threaded rod 16 located outside the test tube rack 5.
[0034] By using the movable plate 12, the chamber 13, the slide groove 14, the slider 15, the threaded rod 16 and the adjusting hand wheel 17 in coordination, when the adjusting hand wheel 17 is rotated, the rotation of the adjusting hand wheel 17 will drive the threaded rod 16 to rotate, the rotation of the threaded rod 16 will drive the slider 15 to move in the slide groove 14, the movement of the slider 15 will drive the movable plate 12 to move. Through the above design, the height of the movable plate 12 can be quickly adjusted, so that test tubes of different heights can be placed conveniently, further improving the applicability.
[0035] Wherein, the surface of the limiting ring 9 is provided with a finger groove 18 .
[0036] By using the finger groove 18, the limiting ring 9 can be easily removed.
[0037] Wherein, a cabinet door 19 is installed on the surface of the experimental table 1 .
[0038] By using the cabinet door 19 , maintenance inside the experimental table 1 can be carried out conveniently.
[0039] A plurality of drawers 20 are installed on the surface of the experimental table 1 .
[0040] By using the drawer 20, some experimental equipment can be placed.
[0041] Among them, a plurality of placement boxes 21 are placed in one of the drawers 20 , and a placement slot 22 is provided in the placement box 21 .
[0042] By using the placement box 21 and the placement groove 22, the limiting ring 9 can be conveniently placed.
[0043] A water pool 23 is installed on the surface of the experimental table 1 , and a faucet 24 is installed on one side of the water pool 23 .
[0044] By using the sink 23 and the faucet 24, the experimental equipment can be cleaned conveniently.
[0045] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific purposes.
Claims
1. A classroom experimental stand for food chemical engineering, comprising an experimental table (1), characterized in that: A straight groove (2) is provided on the surface of the experimental table (1), a cover plate (3) is installed in the straight groove (2) via a hinge, an electric cylinder (4) is installed in the experimental table (1), a test tube rack (5) is installed at the output end of the electric cylinder (4), the test tube rack (5) is located in the straight groove (2), a connecting plate (6) is installed on the surface of the test tube rack (5), a plurality of grooves (7) are provided on the surface of the connecting plate (6), a placement step (8) is arranged in the groove (7), a limit ring (9) is installed on the surface of the placement step (8), the limit ring (9) has different diameters, a first magnet (10) is installed on the surface of the placement step (8), a second magnet (11) is installed at the bottom of the limit ring (9), and the first magnet (10) and the second magnet (11) attract each other with opposite polarities.
2. A classroom experiment stand for food chemical engineering as claimed in claim 1, characterized in that: The connecting plate (6) is composed of a plurality of movable plates (12), the number of the movable plates (12) corresponding to the number of the slots (7); a chamber (13) is arranged in the test tube rack (5); a plurality of slide grooves (14) are arranged on the surface of the test tube rack (5); the slide grooves (14) extend into the chamber (13); a slider (15) is installed on the surface of the movable plate (12); the slider (15) passes through the slide groove (14) and extends into the chamber (13); a threaded rod (16) is installed through the surface of the slider (15); the threaded rod (16) extends to the outside of the test tube rack (5); an adjusting hand wheel (17) is installed on the surface of the threaded rod (16) located outside the test tube rack (5).
3. A classroom experiment stand for food chemical engineering as claimed in claim 1 or 2, characterized in that: The surface of the limiting ring (9) is provided with a finger groove (18).
4. A classroom experiment stand for food chemical engineering as claimed in claim 3, characterized in that: The surface of the experimental table (1) is provided with a cabinet door (19).
5. A classroom experiment stand for food chemical engineering as claimed in claim 4, characterized in that: A plurality of drawers (20) are installed on the surface of the experimental table (1).
6. A classroom experiment stand for food chemical engineering as claimed in claim 5, characterized in that: A plurality of placement boxes (21) are placed in one of the drawers (20), and a placement slot (22) is provided in the placement box (21).
7. A classroom experiment stand for food chemical engineering as claimed in claim 6, characterized in that: A water pool (23) is installed on the surface of the experimental table (1), and a faucet (24) is installed on one side of the water pool (23).