Protective device for chemical experiment

Abstract

The utility model relates to the field of protective devices, in particular to a protective device for chemical experiments. According to the technical scheme, a rotating motor is arranged at the lower end of a semi-arc slotted hollow column, the upper end of the rotating motor is in transmission connection with a rotating shaft, a small gear is arranged at the upper end of the rotating shaft, a large gear is rotationally meshed with the front end of the small gear, a connecting column is arranged at the upper end of the large gear, and a rotating disc is arranged at the upper end of the connecting column; a semi-arc-shaped hollow plate is connected to the front end of the semi-arc-shaped slotted hollow column in a sliding mode, and a transparent window is formed in the semi-arc-shaped hollow plate. Through the combination of the semi-arc slotted hollow column and the semi-arc hollow plate, the splash-proof space and the transparent window, the internal state can be observed conveniently. A rotating motor is started to drive a rotating shaft and a pinion to rotate, so that a bull gear meshed with the rotating shaft and the pinion is driven to rotate, a connecting column and a turntable are driven to rotate, and all-directional display work is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of protective devices, especially to the protective device for chemical experiment. BACKGROUND

[0002] The protective device for chemical experiment is various, mainly including protective clothing, protective mask, protective glasses, protective gloves and the like.

[0003] Most of the existing chemical experiment platforms have simple structures and lack protective structures, so when chemical experiments are carried out, the test materials in the container may splash to the outside, and it is necessary to additionally take a baffle to block the splashing, which leads to inconvenient use.

[0004] Therefore, in view of the above-mentioned problems that most of the existing chemical experiment platforms lack protective structures and need to additionally take a baffle to block the splashing, which leads to inconvenient use, a protective device for chemical experiment can be designed to solve the above-mentioned problems. SUMMARY

[0005] In order to overcome the shortcomings that most of the existing chemical experiment platforms have simple structures and lack protective structures, so when chemical experiments are carried out, the test materials in the container may splash to the outside, and it is necessary to additionally take a baffle to block the splashing, which leads to inconvenient use.

[0006] The technical scheme of the utility model is: the protective device for chemical experiment, including universal wheel, arc plate, stand, handle, half-arc slot hollow column, rotating motor, rotating shaft, pinion, gear wheel, connecting column, rotating disc, half-arc hollow plate, transparent window, the upper end of the universal wheel is provided with the arc plate, the upper end of the arc plate is provided with the stand, the upper end of the stand is provided with the handle, the inner side of the arc plate is provided with the half-arc slot hollow column, the lower end of the half-arc slot hollow column is provided with the rotating motor, the upper end of the rotating motor is drivingly connected with the rotating shaft, the upper end of the rotating shaft is provided with the pinion, the front end of the pinion is engaged with the gear wheel, the upper end of the gear wheel is provided with the connecting column, the upper end of the connecting column is provided with the rotating disc, the front end of the half-arc slot hollow column is slidingly connected with the half-arc hollow plate, the half-arc hollow plate is provided with the transparent window.

[0007] As a preferred, the arc plate is set to be a half-arc plate, the universal wheel is provided with three, and is respectively arranged at the center and both sides of the lower end of the arc plate.

[0008] As a preferred, the stand and the handle are set to be an integral whole, and are fixed at the upper end of the arc plate.

[0009] As a preferred, the rotating motor, the rotating shaft and the pinion are set to be an integral whole, and the rotating shaft penetrates the half-arc slot hollow column and is connected with the rotating motor and the pinion.

[0010] As preferred, the pinion and the gear wheel are arranged to mesh rotation.

[0011] As preferred, the gear wheel, the connecting column and the rotating disc are arranged inside the semi-arc slotted hollow column, and the semi-arc slotted hollow column is arranged as a hollow semi-arc column structure.

[0012] As preferred, the semi-arc hollow plate and the transparent window are arranged as a whole, and are arranged to slide rotation on the semi-arc slotted hollow column.

[0013] The utility model discloses the beneficial effects of:

[0014] 1. By setting up the fixed handle of stand, push handle, can make with the universal wheel of arc plate connection rotation, realize displacement work. Semi-arc slotted hollow column and semi-arc hollow plate combination, set up splash-proof space, transparent window is convenient for observing internal state. Rotating motor starts, drives rotating shaft and pinion to rotate, thereby drive the rotation of the gear wheel meshing with it, drive connecting column and rotating disc to rotate, realize all -round display work. Overcome the structure of most chemical experiment platform of prior art lacks the protective structure, is relatively simple, thus when carrying out chemical experiment, the test material of reaction in container can splash to the outside, thereby need extra to take the baffle and block the splashing, lead to the use of the shortcoming of inconvenient. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The utility model discloses a protective device for chemical experiment shows as the three-dimensional structure schematic diagram of protective device for chemical experiment of the utility model;

[0016] Figure 2 The utility model discloses a protective device for chemical experiment shows as the universal wheel schematic diagram of protective device for chemical experiment of the utility model;

[0017] Figure 3 The utility model discloses a protective device for chemical experiment shows as the handle schematic diagram of protective device for chemical experiment of the utility model;

[0018] Figure 4 The utility model discloses a protective device for chemical experiment shows as the rotating disc schematic diagram of protective device for chemical experiment of the utility model;

[0019] Mark explanation: 1, universal wheel;2, arc plate;3, stand;4, handle;5, semi-arc slotted hollow column;6, rotating motor;7, rotating shaft;8, pinion;9, gear wheel;10, connecting column;11, rotating disc;12, semi-arc hollow plate;13, transparent window. DETAILED DESCRIPTION

[0020] The utility model further carries out the explanation below combining the drawings and embodiment.

[0021] Among the existing technologies that have been found to be implemented, there are various types of protective devices for chemical experiments, mainly including protective clothing, protective masks, protective glasses, protective gloves, etc. Some common protective devices are as follows:

[0022] Respiratory protection device

[0023] Long tube respirator

[0024] Working principle: Fresh air is transported from the air source far away from the dangerous area to the user's mask through a long tube, allowing the user to breathe clean air in a toxic and harmful gas environment.

[0025] Applicable scenario: Suitable for long-term maintenance work in contaminated areas in chemical plants, or work in oxygen-deficient areas, such as during the maintenance and repair of some large-scale chemical experimental devices, and in experimental environments with poor ventilation and the presence of toxic and harmful gases.

[0026] Gas mask

[0027] Working principle: Using activated carbon or other adsorbents in the filter canister or filter box to adsorb toxic and harmful gases in the air, the filtered air is supplied for the user to breathe.

[0028] Applicable scenario: Suitable for experimental environments with certain concentrations of toxic gases, such as when conducting organic synthesis experiments, if toxic organic solvents such as benzene and formaldehyde are used, a gas mask can be worn.

[0029] Body protective clothing

[0030] Chemical protective clothing

[0031] Working principle: Special fabrics and designs are used, such as a unique protective film composed of multiple layers of materials and a polypropylene composite fabric, which can block the penetration and contact of chemical substances, preventing chemical substances from causing harm to the human body.

[0032] Applicable scenario: Depending on the protection level, it can be used in different dangerous chemical experiment scenarios. For example, when conducting experiments with highly toxic and strongly corrosive chemicals, A-level full-closed chemical protective clothing is required.

[0033] Fire and explosion-proof clothing

[0034] Working principle: Generally made of flame-retardant fibers, with good fireproof and heat-insulating properties, and some also have anti-static function, which can prevent static electricity generated during friction from causing fire or explosion.

[0035] Applicable scenario: In experiments involving flammable and explosive chemicals, such as oil distillation and cracking experiments in petrochemical experiments, and the use of flammable organic solvents in some organic chemistry experiments, the experimental personnel need to wear fire and explosion-proof clothing.

[0036] Hand protection

[0037] Acid and alkali resistant gloves

[0038] Working principle: Generally made of natural rubber, nitrile rubber, neoprene and other materials, these materials have good acid and alkali resistance, can effectively block the erosion of acid and alkali and other chemicals to the skin of the hands.

[0039] Applicable scenarios: Must wear acid and alkali resistant gloves when conducting acid and alkali neutralization experiments, electroplating experiments and using acid and alkali solutions for cleaning, etching and other operations.

[0040] Chemical protection gloves

[0041] Working principle: Made of special chemical protection materials, it provides more comprehensive chemical protection to the hands, and can resist the penetration and corrosion of various chemicals.

[0042] Applicable scenarios: In the processing of highly toxic and strongly corrosive chemicals such as cyanide, concentrated sulfuric acid, concentrated nitric acid, etc., chemical protection gloves are essential protective equipment.

[0043] Eye and face protection

[0044] Protective glasses

[0045] Working principle: The lens is made of high-strength polycarbonate and other materials, with functions such as impact resistance, splash resistance, acid and alkali resistance, and ultraviolet protection, which can effectively protect the eyes from chemical substances, debris, strong light and other hazards.

[0046] Applicable scenarios: Protective glasses are required when conducting experiments that may produce chemical splashes and debris splashes, such as grinding, stirring, heating, and experiments using ultraviolet lamps, laser equipment, etc. that may cause eye damage.

[0047] Protective masks

[0048] Working principle: Generally made of transparent plastic or glass materials, it can cover the entire face, providing comprehensive protection for the eyes, nose, mouth and face, preventing chemical substances, high-temperature liquids, flames and other hazards from causing damage to the face.

[0049] Applicable scenarios: Protective masks can play a good protective role in experiments with splashing hazards, such as dilution of concentrated sulfuric acid, high-pressure reaction experiments, and experiments in high-temperature environments, such as metal smelting, glass blowing, etc.

[0050] Other protective devices

[0051] Fume hood

[0052] Working principle: Through the fan, the toxic and harmful gases, steam and other generated during the experiment are exhausted to the outdoor, keeping the laboratory air clean, and providing a relatively safe experimental environment for the experimenters.

[0053] Applicable scenario: When conducting experiments that produce toxic and harmful gases, such as the use of volatile organic solvents, the preparation of toxic gases, etc., must be carried out in a fume hood.

[0054] Protective apron

[0055] Working principle: Generally made of rubber, plastic or leather, etc. It is tied in the front of the body, used to protect the abdomen and legs from chemical splashing, corrosion, and high-temperature object burns, etc.

[0056] Applicable scenario: When conducting experiments that may have liquid splashing or need to be close to high-temperature equipment, such as chemical titration experiments, hot bath experiments, etc., you can wear a protective apron.

[0057] Please refer to Figures 1-4The utility model provides a kind of embodiment: protective device for chemical experiment, including universal wheel 1, arc plate 2, stand 3, handle 4, half-arc slot hollow column 5, rotating motor 6, rotating shaft 7, pinion 8, gear 9, connecting column 10, rotating disc 11, half-arc hollow plate 12, transparent window 13, the upper end of universal wheel 1 is provided with arc plate 2, the upper end of arc plate 2 is provided with stand 3, the upper end of stand 3 is provided with handle 4, the inside of arc plate 2 is provided with half-arc slot hollow column 5, the lower end of half-arc slot hollow column 5 is provided with rotating motor 6, the upper end of rotating motor 6 is drivingly connected with rotating shaft 7, the upper end of rotating shaft 7 is provided with pinion 8, the front end of pinion 8 is engaged rotating gear 9, the upper end of gear 9 is provided with connecting column 10, the upper end of connecting column 10 is provided with rotating disc 11, the front end of half-arc slot hollow column 5 is slidingly connected with half-arc hollow plate 12, and transparent window 13 is provided on half-arc hollow plate 12.Stand 3 fixes handle 4, pushes handle 4, can make the universal wheel 1 connected with arc plate 2 rotate, realizes displacement work.Half-arc slot hollow column 5 and half-arc hollow plate 12 combination, set up splash space, transparent window 13 is convenient for observing internal state.Arc plate 2 is set to half-arc shape plate, universal wheel 1 is provided with three, and is respectively set in the center and both sides of the lower end of arc plate 2.Stand 3, handle 4 are set to an entirety, and are fixed in the upper end of arc plate 2.Rotating motor 6, rotating shaft 7 and pinion 8 are set to an entirety, and rotating shaft 7 penetrates half-arc slot hollow column 5 and is connected with rotating motor 6 and pinion 8.Pinion 8 and gear 9 are set to meshing rotation.Gear 9, connecting column 10 and rotating disc 11 are set in the inside of half-arc slot hollow column 5, and half-arc slot hollow column 5 is set to hollow half-arc column structure.Half-arc hollow plate 12 and transparent window 13 are set to an entirety, and slide rotation on half-arc slot hollow column 5.Rotating motor 6 starts, drives rotating shaft 7 and pinion 8 to rotate, to drive the gear 9 meshing with it to rotate, drives connecting column 10 and rotating disc 11 to rotate, realizes all-around display work.

[0058] In the work, stand 3 fixes handle 4, pushes handle 4, can make the universal wheel 1 connected with arc plate 2 rotate, realizes displacement work.Half-arc slot hollow column 5 and half-arc hollow plate 12 combination, set up splash space, transparent window 13 is convenient for observing internal state.Rotating motor 6 starts, drives rotating shaft 7 and pinion 8 to rotate, to drive the gear 9 meshing with it to rotate, drives connecting column 10 and rotating disc 11 to rotate, realizes all-around display work, completes all work.

[0059] Through the above steps, by setting the column 3 fixed handle 4, push handle 4, can make with the universal wheel 1 connected with arc plate 2 rotation, realize displacement work. Half-arc-shaped slot hollow column 5 and half-arc-shaped hollow plate 12 combination, set up splash-proof space, transparent window 13 facilitate observation of internal state. Rotating motor 6 start, drive rotating shaft 7 and pinion 8 rotation, thereby drive the meshing with the gear 9 rotation, drive connecting column 10 and turntable 11 rotation, realize all-around display work. Overcome the existing most of the chemical experiment platform structure lacks protection structure, relatively simple, therefore in the chemical experiment, the container in the reaction of the test material may splash to the outside world, thereby need to take additional baffle to block the splashing, lead to the use of the inconvenience of the shortcomings.

[0060] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge possessed by those skilled in the art without departing from the purpose of the utility model.

Claims

1. A protective device for chemical experiments, including casters (1), characterized in that: It also includes an arc-shaped plate (2), a column (3), a handle (4), a semi-arc slotted hollow column (5), a rotating motor (6), a rotating shaft (7), a small gear (8), a large gear (9), a connecting column (10), a turntable (11), a semi-arc hollow plate (12), and a transparent window (13). The upper end of the universal wheel (1) is provided with an arc-shaped plate (2), the upper end of the arc-shaped plate (2) is provided with a column (3), the upper end of the column (3) is provided with a handle (4), and the inner side of the arc-shaped plate (2) is provided with a semi-arc slotted hollow column (5). A rotating motor (6) is provided at the lower end of the slotted hollow column (5). A rotating shaft (7) is connected to the upper end of the rotating motor (6). A small gear (8) is provided at the upper end of the rotating shaft (7). A large gear (9) meshes with the front end of the small gear (8). A connecting column (10) is provided at the upper end of the large gear (9). A turntable (11) is provided at the upper end of the connecting column (10). A semi-circular hollow plate (12) is slidably connected to the front end of the semi-circular slotted hollow column (5). A transparent window (13) is provided on the semi-circular hollow plate (12).

2. The protective device for chemical experiments according to claim 1, characterized in that: The arc plate (2) is set as a semi-arc shape plate, and three casters (1) are provided, which are respectively set at the center and both sides of the lower end of the arc plate (2).

3. The protective device for chemical experiments according to claim 1, characterized in that: The column (3) and handle (4) are set as a whole and fixed to the upper end of the arc plate (2).

4. The protective device for chemical experiments according to claim 1, characterized in that: The rotating motor (6), rotating shaft (7) and pinion (8) are set as a whole, and the rotating shaft (7) passes through the semi-circular slotted hollow column (5) and connects the rotating motor (6) and pinion (8).

5. The protective device for chemical experiments according to claim 1, characterized in that: The pinion (8) and the gear (9) are configured to mesh and rotate.

6. The protective device for chemical experiments according to claim 1, characterized in that: The large gear (9), connecting column (10) and turntable (11) are set inside the semi-circular slotted hollow column (5), which is a hollow semi-circular column structure.

7. The protective device for chemical experiments according to claim 1, characterized in that: The semi-circular hollow plate (12) and the transparent window (13) are set as a whole and slide and rotate on the semi-circular slotted hollow column (5).

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