CN219186974U

CN219186974U - Environment-friendly multipurpose drip box

Info

Publication number: CN219186974U
Application number: CN202220313616.4U
Authority: CN
Inventors: 李金萍; 邓柳萍
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-02-16
Filing date: 2022-02-16
Publication date: 2023-06-16
Anticipated expiration: 2032-02-16

Abstract

The utility model relates to the technical field of experiment teaching aids and provides an environment-friendly multipurpose drip box which comprises a base, a single-hole cover plate and a drip tube, wherein the base is rotationally connected with the single-hole cover plate, the normal lines of the centers of the base and the single-hole cover plate are in the same straight line, a first groove is formed in the center of the base, a plurality of second grooves are formed around the first groove, a first through hole is formed in the center of the single-hole cover plate, the drip tube penetrates through the first through hole, and the base, the single-hole cover plate and the drip tube are matched to enable the drip box to be integrally sealed. The utility model has the advantages of integrated structure, attractive appearance, exquisite appearance, portability, practicability, durability and easy cleaning; the manufacturing material is environment-friendly, the manufacturing procedure is simple, and the use and the operation are convenient; the teaching aid is miniature, the medicine is trace, the phenomenon is obvious, and the observation is convenient; safety and environmental protection; the application is wider.

Description

Environment-friendly multipurpose drip box

Technical Field

The utility model relates to the technical field of experiment teaching aids, in particular to an environment-friendly multipurpose drip box.

Background

The conventional chemical instrument has larger volume, more reagent consumption, adverse saving and environmental protection, and the micro chemical experiment is an experimental method and technology which rapidly develops at home and abroad in recent years, and has the advantages of simple operation, rapid reaction, obvious phenomenon, medicine saving, less pollution, safety and the like.

In the existing chemistry teaching materials for middle schools, the integrated device for preparing gas and checking the property has the following defects: 1. the preparation and property inspection device of the gas can be completed by a plurality of reagent bottles, and the device is complex and the operation is complex; 2. the preparation workload of the experiment teacher is large; 3. the method is not suitable for student grouping experiments, particularly chemical reactions requiring heating, and is unsafe; 4. the application is single, and the application range is small; 5. the gas escapes to pollute the air, which is not environment-friendly.

Disclosure of Invention

The utility model aims to at least overcome one of the defects and the shortcomings of the prior art, and provides the environment-friendly multipurpose drip box which has a simple structure and can be used for integrated experiments of gas preparation and property inspection. The utility model is realized based on the following technical scheme:

the utility model provides an environment-friendly multipurpose drip box which comprises a base, a single-hole cover plate and a drip tube, wherein the base is rotationally connected with the single-hole cover plate, the normal lines of the centers of the base and the single-hole cover plate are in the same straight line, a first groove is formed in the center of the base, a plurality of second grooves are formed around the first groove, a first through hole is formed in the center of the single-hole cover plate, the drip tube penetrates through the first through hole, and the base, the single-hole cover plate and the drip tube are matched to enable the drip box to be integrally sealed.

Preferably, the periphery of the base or the single-hole cover plate is provided with a side wall.

Preferably, the base and the single-hole cover plate are connected through bolts.

Preferably, one end of the base is provided with a first connecting portion, the first connecting portion is provided with a first mounting hole, one end of the single-hole cover plate is provided with a second connecting portion, the second connecting portion is provided with a second mounting hole, and the first mounting hole is connected with the second mounting hole through a screw rod and a screw cap.

Preferably, the dropper is connected with the first through hole through a sealing plug, the periphery of the sealing plug is matched with the shape of the first through hole, and a second through hole through which the dropper can pass is formed in the center of the sealing plug.

Preferably, the sealing plug is in an inverted truncated cone shape.

Preferably, the periphery of the sealing plug is provided with a sealing rubber belt.

Preferably, the single hole cover plate is provided with a first handheld part, and/or the base is provided with a second handheld part.

Preferably, the base and the single-hole cover plate are made of glass.

Preferably, the base and the single-hole cover plate are round.

Preferably, the diameter of the first groove is larger than the diameters of the second groove and the first through hole.

The utility model can at least obtain one of the following beneficial effects:

1. the utility model has simple structure, attractive appearance, exquisite appearance, portability, practicability, durability and easy cleaning; the manufacturing material is environment-friendly, the manufacturing procedure is simple, and the use and the operation are convenient; the teaching aid is miniature, the medicine is trace, the phenomenon is obvious, and the observation is convenient.

2. When the utility model is used for preparing toxic gas, almost no smell is smelled, and the utility model is safe and environment-friendly.

3. The utility model is mainly used for student grouping experiments and can also be used for demonstration experiments of teachers using projectors.

4. The utility model has wide application: the method can be used for preparing and testing the properties of the gas which is not required to be heated, and can also be used for testing the properties of the heated gas; heating the prepared gas by using other devices, and introducing the gas into the drip plate through the hole of the single-hole cover plate to complete a gas property experiment; the sealed environment-friendly multipurpose drip box replaces an open porcelain drip plate to carry out ion reaction experiments, so that the environment is prevented from being polluted.

Drawings

FIG. 1 is a schematic view of a base and a single aperture cover plate according to a preferred embodiment of the present utility model;

fig. 2 is a schematic cross-sectional view of an environment-friendly multipurpose drip box according to a preferred embodiment of the utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1-2, the preferred embodiment of the utility model provides an environment-friendly multipurpose drip box, which comprises a base 1, a single-hole cover plate 2 and a drip tube 3, wherein the base 1 and the single-hole cover plate 2 are rotationally connected, the normal lines of the centers of the base 1 and the single-hole cover plate 2 are in the same straight line, a first groove 4 is arranged at the center of the base 1, a plurality of second grooves 5 are arranged around the first groove 4, a first through hole 6 is arranged at the center of the single-hole cover plate 2, the drip tube 3 penetrates through the first through hole 6, and the base 1, the single-hole cover plate 2 and the drip tube 3 are matched to enable the drip box to be integrally sealed.

The utility model has the advantages of integrated structure, attractive appearance, exquisite appearance, portability, practicability, durability and easy cleaning; the manufacturing material is environment-friendly, the manufacturing procedure is simple, and the use and the operation are convenient; the teaching aid is miniature, the medicine is trace, the phenomenon is obvious, and the observation is convenient; when the utility model is adopted to prepare toxic gas, almost no smell is smelled, and the utility model is safe and environment-friendly; the application is wider, and can be used for various gas experiments.

In this embodiment, the outer periphery of the base 1 or the single hole cover plate 2 is provided with a sidewall 7, so that a certain space is left between the base 1 and the single hole cover plate 2, which is convenient for gas preparation and property experiments, and preferably, the outer periphery of the base 1 is provided with the sidewall 7. Wherein, base 1 and single hole apron 2 pass through bolted connection, installation and rotation convenient to use. Specifically, one end of the base 1 is provided with a first connecting portion 8, the first connecting portion 8 is provided with a first mounting hole 9, one end of the single-hole cover plate 2 is provided with a second connecting portion 10, the second connecting portion 10 is provided with a second mounting hole 11, and the first mounting hole 9 is connected with the second mounting hole 11 through a screw rod 12 and a screw cap 13.

The single-hole cover plate 2 is provided with a first handheld part 17 and/or the base 1 is provided with a second handheld part 18, and the handheld parts are arranged to facilitate the rotation of the base and the single-hole cover plate to realize the opening and closing of the single-hole cover plate.

The base 1 and the single-hole cover plate 2 are made of transparent glass, are firm and durable, and are convenient for observing experimental phenomena. The base 1 and the single-hole cover plate 2 are round, the whole is attractive, the processing is convenient, and raw materials are saved.

The diameter of the first groove 4 is larger than that of the second groove 5 and the first through hole 6, the first groove is used as a container for preparing gas reaction, the larger diameter can provide sufficient gas to perform gas property reaction in the second groove, the diameter of the first through hole can be used for the dropper and the piston to pass through, and the tightness and the operability are ensured, so the diameter is smaller than that of the first groove.

In this embodiment, the dropper 3 is connected to the first through hole 6 through a sealing plug 14, the outer periphery of the sealing plug 14 matches the shape of the first through hole 6, and a second through hole 15 through which the dropper 3 can pass is provided in the center of the sealing plug 14. The dropper is conveniently fixed on the single-hole cover plate and is integrally sealed, and the prepared gas cannot leak. Wherein, sealing plug 14 is the shape of falling round platform, is convenient for put into in the first through-hole and sealed effectual. The periphery of the sealing plug 14 is provided with a sealing rubber band 16 to enhance the sealing effect. The dropper 3 can be a plastic dropper, and is low in cost and easy to obtain.

The utility model is mainly used for student grouping experiments and can also be used for demonstration experiments of teachers using projectors. The utility model has wide application: the method can be used for preparing and testing the properties of the gas which is not required to be heated, and can also be used for testing the properties of the heated gas; heating the prepared gas by using other devices, and introducing the gas into the drip plate through the hole of the single-hole cover plate to complete a gas property experiment; the sealed environment-friendly multipurpose drip box replaces an open porcelain drip plate to carry out ion reaction experiments, so that the environment is prevented from being polluted.

Example 2

Specifically, the manufacturing method of the utility model comprises the following steps:

1. selecting glass with the thickness of 2cm, drawing a circle with phi 7cm, sawing into a base 1 similar to a table tennis racket, chiseling a large groove with phi 6.6cm and the depth of 0.2cm around the base, and forming a side wall 7 at the periphery; then, a first groove 4 with the diameter of 1 phi 2cm and the depth of 1.3cm is formed in the center of the base 1, and a second groove 5 with the diameter of 6 phi 1.4cm and the depth of 1.3cm is formed around the first groove; and 7 holes are formed to form a plum-blossom-shaped structure. Then, a hole is drilled at the handle (first connecting portion 8) of the "table tennis bat" to obtain a first mounting hole 9.

2. Selecting 0.5cm thick glass, drawing a circle with phi 7cm (drilling a first through hole 6 with phi 1cm in the center), and sawing into a single-hole cover plate 2 similar to a table tennis racket; a second mounting hole 11 is drilled at the handle (second connecting portion 10) of the "table tennis bat", and a semicircular handle of Φ1.2cm is provided at the opposite end of the handle to obtain a first hand-held portion 17.

3. The matched sealing plug 14, sealing rubber belt 16, screw 12, nut 13 and plastic dropper 3 are selected.

4. The base 1 and the single-hole cover plate 2 are connected by the screw rod 12 and the screw cap 13, the sealing rubber belt 16 is wound on the periphery of the sealing plug 14, then the sealing plug 14 is placed in the first through hole 6, and the plastic dropper 3 passes through the second through hole 15 in the center of the sealing plug 14, so that the environment-friendly multipurpose drip box is manufactured.

Example 3

The use of the environment-friendly multipurpose drip box is described below by taking the preparation and property experiments of chlorine as an example.

1. Unscrewing the single-hole cover plate 2, adding 2 sesame-sized KClO into the first groove 4 ₃ Crystals, 1-2 drops of KBr, KI (starch-containing solution), naOH (phenolphthalein-containing solution) and FeSO with the concentration of 0.1mol/L are respectively dropped in the second groove 5 around the crystals ₄ Solution (containing KSCN), 3-4 drops of NaOH solution (absorbing excess chlorine).

2. The single-hole cover plate 2 is screwed and the screw cap 13 is screwed (gas escape prevention). A small amount of concentrated hydrochloric acid is sucked by a plastic dropper 3 and then passes through a sealing plug 14, and is dripped into the first groove 4 in the center.

3. The phenomenon is observed and recorded to reach a correct conclusion.

It was observed that KBr solution turned brown, KI (starch-containing solution) turned blue, naOH (phenolphthalein-containing) solution turned colorless, feSO ₄ The solution (containing KSCN) turned red.

Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the present utility model can be modified or equivalents can be substituted for some of the features thereof, and any modification, equivalent substitution, improvement or the like that is within the spirit and principles of the present utility model should be included in the scope of the present utility model.

Claims

1. The utility model provides an environmental protection multipurpose drip box, its characterized in that, including base (1), single hole apron (2) and burette (3), base (1) and single hole apron (2) rotate and connect just the center normal of base (1) and single hole apron (2) is in on the same straight line, the center of base (1) is equipped with first recess (4), centers on first recess (4) are equipped with a plurality of second recesses (5), the center of single hole apron (2) is equipped with first through-hole (6), burette (3) run through first through-hole (6) setting, base (1), single hole apron (2) and burette (3) cooperation can make the drip box whole sealed.

2. An environmental protection multipurpose drip box according to claim 1, characterized in that the periphery of the base (1) or the single-hole cover plate (2) is provided with a side wall (7).

3. An environmental protection multipurpose drip box according to claim 1, characterized in that the base (1) and the single hole cover plate (2) are connected by bolts.

4. An environmental protection multipurpose drip box according to claim 3, characterized in that one end of the base (1) is provided with a first connecting part (8), the first connecting part (8) is provided with a first mounting hole (9), one end of the single-hole cover plate (2) is provided with a second connecting part (10), the second connecting part (10) is provided with a second mounting hole (11), and the first mounting hole (9) and the second mounting hole (11) are connected through a screw (12) and a screw cap (13).

5. An environmental protection multipurpose drip box according to claim 1, characterized in that the drip tube (3) is connected with the first through hole (6) through a sealing plug (14), the periphery of the sealing plug (14) is matched with the shape of the first through hole (6), and the center of the sealing plug (14) is provided with a second through hole (15) for the drip tube (3) to pass through.

6. An environmental protection multipurpose drip box according to claim 5, characterized in that the sealing plug (14) is in the shape of an inverted truncated cone and/or the sealing plug (14) is provided with a sealing rubber band (16) at its periphery.

7. An environmental protection multipurpose drip box according to claim 1, characterized in that the single hole cover plate (2) is provided with a first hand-held part (17) and/or the base (1) is provided with a second hand-held part (18).

8. The environment-friendly multipurpose drip box according to claim 1, wherein the base (1) and the single-hole cover plate (2) are made of glass.

9. The environment-friendly multipurpose drip box according to claim 1, wherein the base (1) and the single-hole cover plate (2) are round.

10. An environmentally friendly multipurpose drip box according to claim 1, characterized in that the diameter of the first recess (4) is larger than the diameter of the second recess (5) and the first through hole (6).