Protective device for chemical experiment
By designing a chemical experimental protection device including a base, adjustment assembly, support frame and fixing assembly, the problem of the test tube placing rack being dumped due to external collisions is solved, and the test tube is safely fixed and the risk of breakage is avoided.
Patent Information
- Application Number
- CN202422236953.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-11
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-09-11
AI Technical Summary
The existing test tube placing racks are prone to pouring due to external collisions during use, resulting in the breaking of the test tubes containing liquid.
A protective device for chemical experiments is designed, including a base, a control assembly, a support frame and a fixing assembly. Through the use of the control assembly and the fixing assembly, it can temporarily fix the device when placed on the tabletop to prevent pouring.
It effectively prevents the test tube placing rack from falling due to collision, avoids the breaking of the test tube containing liquid, and improves the safety of chemical experiments.
Smart Images

Figure CN223010602U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of chemical experiments, in particular to a protective device for chemical experiments. Background Technique
[0002] Chemical experiments are natural sciences based on experiments. Through experiments, the properties, change rules of substances, and the process of chemical reactions can be observed and studied.
[0003] Currently, various different experimental instruments are used in chemical experiments. When conducting liquid experiments, test tubes are used for temporary storage of liquids. When placing test tubes during experimental operations, test tube racks are required. However, the current test tube racks are movable and will tip over when there is an external collision while placed on the desktop.
[0004] Therefore, it is necessary to provide a protective device for chemical experiments to solve the above technical problems. Content of the Utility Model
[0005] The utility model provides a protective device for chemical experiments, which solves the problem that the current test tube rack will tip over when there is an external collision while placed on the desktop as it is movable.
[0006] To solve the above technical problems, a protective device for chemical experiments provided by the utility model includes:
[0007] A base, on the surface of which a placement component is arranged;
[0008] An adjustment component, which is arranged at the bottom of the base;
[0009] A support frame, which is arranged below the adjustment component;
[0010] Multiple fixing components, which are respectively arranged on the left and right sides of the adjustment component. Each fixing component includes a movable rod, and a suction cup is connected to the bottom end of the movable rod.
[0011] Preferably, the adjustment component includes two fixing sleeves. Adjustment rods are connected to the left and right ends of the two fixing sleeves, and a mounting bracket is connected to one end of the adjustment rod.
[0012] Preferably, the placement component includes multiple telescopic rods, and a placement plate is connected between the multiple telescopic rods.
[0013] Preferably, multiple placement holes are provided between the base and the placement plate.
[0014] Preferably, a protection component is arranged between the base and the placement component, and the protection component includes two circular positioning blocks, and mounting sleeves are sleeved on the surfaces of the two circular positioning blocks.
[0015] Preferably, circular blocks are connected to one side of the two mounting sleeves facing each other.
[0016] Preferably, a protective cover is connected between the two circular blocks.
[0017] Compared with the related art, a protection device for chemical experiments provided by the present utility model has the following
[0018] Beneficial effects:
[0019] The present utility model provides a protection device for chemical experiments. The adjustment component and the fixing component are used in cooperation at the bottom of the base with the placement component. When the whole device is placed on the table, it can play a role of temporary fixation, and can prevent collisions and tipping, which may easily cause the test tubes filled with liquid to break. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 is a schematic structural diagram of a first embodiment of a protection device for chemical experiments provided by the present utility model;
[0021] Figure 2 is Figure 1 an enlarged schematic view of part A shown in;
[0022] Figure 3 is Figure 1 a three-dimensional structural schematic diagram of the whole device shown in;
[0023] Figure 4 is a schematic structural diagram of a second embodiment of a protection device for chemical experiments provided by the present utility model.
[0024] Reference numerals in the drawings: 1. Base; 2. Support frame;
[0025] 3. Adjustment component; 31. Fixed sleeve; 32. Adjustment rod; 33. Mounting frame;
[0026] 4. Fixing component; 41. Movable rod; 42. Suction cup;
[0027] 5. Placement component; 51. Telescopic rod; 52. Placement plate;
[0028] 6. Placement hole;
[0029] 7. Protection component; 71. Circular positioning block; 72. Mounting sleeve; 73. Circular block; 74. Protective cover. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0030] The present utility model will be further described below in conjunction with the accompanying drawings and embodiments.
[0031] First Embodiment
[0032] Please refer to Figure 1 、 Figure 2 and Figure 3 , wherein, Figure 1 is a schematic structural diagram of the first embodiment of a protection device for chemical experiments provided by the present utility model; Figure 2 is Figure 1 an enlarged schematic view of part A shown in Figure 3 is Figure 1 a three-dimensional structural diagram of the overall device shown in. A protection device for chemical experiments includes:
[0033] A base 1, on the surface of which a placement component 5 is provided;
[0034] An adjustment component 3, which is arranged at the bottom of the base 1;
[0035] A support frame 2, which is arranged below the adjustment component 3;
[0036] A plurality of fixing components 4, which are respectively arranged on the left and right sides of the adjustment component 3. The fixing component 4 includes a movable rod 41, and a suction cup 42 is connected to the bottom end of the movable rod 41.
[0037] The adjustment component 3 includes two fixed sleeves 31. Adjustment rods 32 are connected to the left and right ends of both fixed sleeves 31, and a mounting frame 33 is connected to one end of the adjustment rod 32.
[0038] The two fixed sleeves 31 are symmetrically connected to the left and right sides of the bottom of the base 1. An activity through hole adapted to the movable rod 41 is provided on the surface of the mounting frame 33. A circular fixing block is connected to the top of the movable rod 41 to prevent the movable rod 41 from falling off the mounting frame 33. The support frame 2 is connected between the two fixed sleeves 31.
[0039] The placement component 5 includes a plurality of telescopic rods 51, and a placement plate 52 is connected between the plurality of telescopic rods 51.
[0040] A plurality of placement holes 6 are provided between the base 1 and the placement plate 52.
[0041] The working principle of a protection device for chemical experiments provided by the present utility model is as follows:
[0042] When in use, when the base 1 with the placement component 5 is placed on the desktop for fixation, first, the mounting bracket 33 with the movable rod 41 and the suction cup 42 is pulled to move outward of the base 1 under the action of the adjusting rod 32 and the fixing sleeve 31. When the mounting bracket 33 with the movable rod 41 and the suction cup 42 moves to a suitable position, the suction cup 42 is driven to move into contact with the desktop by pushing the movable rod 41 to start the protective function.
[0043] Compared with the related technology, a protective device for chemical experiments provided by the present utility model has the following
[0044] Beneficial effects:
[0045] The present utility model provides a protective device for chemical experiments. The adjusting component 3 and the fixing component 4 are used in cooperation at the bottom of the base 1 with the placement component 5. When the whole device is placed on the desktop, it can play a role of temporary fixation, preventing collisions and causing tipping, which may easily lead to the breaking of test tubes filled with liquid.
[0046] Second Embodiment
[0047] Please refer to Figure 4 , based on a protective device for chemical experiments provided in the first embodiment of the present application, the second embodiment of the present application proposes another protective device for chemical experiments. The second embodiment is only a preferred way of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.
[0048] Specifically, the difference of a protective device for chemical experiments provided in the second embodiment of the present application is that between the base 1 and the placement component 5, a protective component 7 is provided. The protective component 7 includes two circular positioning blocks 71, and mounting sleeves 72 are sleeved on the surfaces of the two circular positioning blocks 71.
[0049] The two circular positioning blocks 71 are symmetrically connected to the left and right sides of the surface of the support frame 2. The use of the circular positioning blocks 71 and the mounting sleeves 72 can play a role of positioning and fixing when the protective cover 74 is sleeved on the whole device.
[0050] On the opposite sides of the two mounting sleeves 72, circular blocks 73 are connected.
[0051] A protective cover 74 is connected between the two circular blocks 73.
[0052] The working principle of a protective device for chemical experiments provided by the present utility model is as follows:
[0053] In use, when the entire device is covered for protection, first, the protective cover 74 with two mounting sleeves 72 is sleeved on the surface of the entire device, and at the same time, the mounting sleeve 72 is sleeved on the surface of the circular positioning block 71 on the surface of the support frame 2.
[0054] Compared with the related art, a protective device for chemical experiments provided by the present utility model has the following
[0055] Beneficial effects:
[0056] The present utility model provides a protective device for chemical experiments. A protective component 7 is arranged between the base 1 and the placement component 5. When a test tube containing chemical liquid is placed on the entire device, the entire device can be protected, and dust or impurities can be prevented from falling onto the device and the test tube.
[0057] The above are only the embodiments of the present utility model, and do not limit the patent scope of the present utility model. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall be equally included in the patent protection scope of the present utility model.
Claims
1. A protective device for chemical experiments, characterized in that: include: A base, a surface of which is provided with a placement component; An adjustment component, the adjustment component is arranged at the bottom of the base; A support frame, the support frame is arranged below the adjustment component; A plurality of fixing components are respectively arranged on the left and right sides of the adjusting component, and the fixing components include a movable rod, and a suction cup is connected to the bottom end of the movable rod.
2. The protective device for chemical experiments according to claim 1, characterized in that: The adjustment assembly comprises two fixing sleeves, both left and right ends of the two fixing sleeves are connected with adjustment rods, and one end of the adjustment rods is connected with a mounting frame.
3. The protective device for chemical experiments according to claim 1, characterized in that: The placement assembly comprises a plurality of telescopic rods, and a placement plate is connected between the plurality of telescopic rods.
4. The protective device for chemical experiments according to claim 3, characterized in that: A plurality of placement holes are provided between the base and the placement plate.
5. The protective device for chemical experiments according to claim 1, characterized in that: A protection component is arranged between the base and the placement component. The protection component includes two circular positioning blocks. The surfaces of the two circular positioning blocks are both covered with mounting sleeves.
6. The protective device for chemical experiments according to claim 5, characterized in that: The opposite sides of the two installation sleeves are both connected with circular blocks.
7. The protective device for chemical experiments according to claim 6, characterized in that: A protective cover is connected between the two circular blocks.