CN214226274U

CN214226274U - Gas reaction teaching aid for high school chemistry classroom

Info

Publication number: CN214226274U
Application number: CN202021884015.6U
Authority: CN
Inventors: 管浚皓
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-09-17
Anticipated expiration: 2030-09-02

Abstract

The utility model discloses a gas reaction teaching aid for high school chemistry classroom, which comprises a main cylinder, two groups of connecting cylinders are respectively and fixedly arranged on the side walls at the two ends of the main cylinder, a feeding cylinder is fixedly arranged at the top of the connecting cylinders, a piston column is in sliding fit with the inner cavity of the connecting cylinders, a sealing piston is fixedly arranged at one end of the piston column, the sealing piston is tightly attached to the inner wall of the connecting cylinders, a pushing handle is fixedly arranged at the other end of the piston column, a reaction end face is arranged at the bottom of the main cylinder, a base is arranged below the main cylinder, a plurality of groups of supporting columns are fixedly arranged on the outer wall at the top of the base, the top of the supporting columns is fixedly connected with the outer wall of the main cylinder, a plate unloading groove is arranged on the side wall of the base and is communicated with the top of the base, the device can be convenient for relevant gas generation experiments in classroom, gas leakage is not easy to occur, the experiment safety is protected, and the generated gas can be conveniently stored and checked, and the method has good market prospect.

Description

Gas reaction teaching aid for high school chemistry classroom

Technical Field

The utility model relates to a teaching aid technical field specifically is a gaseous reaction teaching aid that high school chemistry classroom was used.

Background

Chemical experiments are often carried out in high school chemistry classroom, reaction gas generated by the experiments is possibly harmful to human body, most experiments are indoors, gas is not easy to diffuse, and relevant experiments are not convenient to carry out in classroom, so that a gas reaction teaching aid for high school chemistry classroom is needed.

Based on this, the utility model designs a gaseous reaction teaching aid that high school chemistry classroom was used to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gaseous reaction teaching aid that high school chemistry classroom was used to often carry out the chemistry experiment in the chemistry classroom of proposing the high school in solving above-mentioned background art, the reaction gas that the experiment produced is probably harmful to the health, and the experiment is mostly indoor, and gas is difficult for distributing, is not convenient for do relevant experiment on the classroom, consequently needs the problem of the gaseous reaction teaching aid that high school chemistry classroom was used.

In order to achieve the above object, the utility model provides a following technical scheme: a gas reaction teaching aid for high school chemistry classroom comprises a main cylinder, wherein two groups of connecting cylinders are respectively and fixedly installed on the side walls of the two ends of the main cylinder, a feeding cylinder is fixedly installed at the top of the connecting cylinder, a piston column is in sliding fit with the inner cavity of the connecting cylinder, a sealing piston is fixedly installed at one end of the piston column and is tightly attached to the inner wall of the connecting cylinder, a propelling handle is fixedly installed at the other end of the piston column, a reaction end face is installed at the bottom of the main cylinder, a base is arranged below the main cylinder, a plurality of groups of supporting columns are fixedly installed on the outer wall of the top of the base, the tops of the supporting columns are fixedly connected with the outer wall of the main cylinder, a plate unloading groove is formed in the side wall of the base and is communicated with the top of the base, an upper cover box is clamped at the top of the main cylinder, and a gas cylinder is fixedly installed at the top of the upper cover box, the gas cylinder is made of glass materials, a connecting box is fixedly mounted on the side wall of the main cylinder, an outer ball box is fixedly mounted at the other end of the connecting box, the bottom of the outer ball box is communicated with the connecting box, and an inner ball box is movably mounted in an inner cavity of the outer ball box.

Preferably, a first hole is formed in the bottom of the gas cylinder, the upper cover box comprises a gas valve box and a bottom plate end plate, the bottom plate end plate is matched with the top of the main cylinder, a second hole is formed in the bottom of the gas valve box, a valve ball is installed in an inner cavity of the gas valve box, the valve ball is matched with the second hole, and a spring is arranged between the valve ball and the first hole.

Preferably, the outer wall of reaction terminal surface evenly is provided with the external screw thread, reaction terminal surface and the bottom screw-thread fit of main section of thick bamboo inner wall, can dismantle between the two.

Preferably, the outer wall of the inner ball box is fixedly provided with a sealing gasket, and the sealing gasket is attached to the inner cavity of the outer ball box.

Preferably, the reaction end face is arc-shaped, and a bottom handle is fixedly mounted at the bottom of the reaction end face.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a setting of base is convenient for the device to place in the classroom, through placing solid reactant measured weight in advance in the feed cylinder, through weighing liquid reactant and pouring into in advance in the interior ball case, promote the propulsion handle, make the propulsion handle drive sealed piston inward movement, push solid reactant in the main section of thick bamboo, through rotating the interior ball case, make the interior ball case overturn outside the ball case, make liquid reactant pour into the main section of thick bamboo, through the reactant react at the top of reaction end face, be in airtight state in the main section of thick bamboo this moment, can not make the gas that the reaction produced spill, when discovering that the piston post has the tendency of outwards sliding, it is more to produce gas, the user presses the propulsion handle with the hand at this moment, the gas that produces upwards pushes open the valve ball, get into the gas cylinder, can observe the gas that produces through the gas cylinder, after the reaction, through the setting of spring and valve ball, prevent gas leakage, the gaseous of being convenient for reaction formation is preserved and is examined, when needs remain reaction debris in to the main section of thick bamboo and clear up, through operation bottom handle, dismantles the bottom of reacting the terminal surface from the main section of thick bamboo, goes out through unloading the board groove and takes out, emptys, and this device can be convenient for do relevant gas formation experiment on the classroom, and difficult emergence gas leakage, protection experiment safety, and can be convenient for generate gaseous save and examine, have good market prospect.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the main view structure of the present invention;

fig. 2 is a schematic view of the depression structure of the present invention;

fig. 3 is a schematic structural view of a first cut-off angle of the present invention;

fig. 4 is a schematic structural view of a second cut-off angle of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-main cylinder, 2-upper cover box, 3-gas cylinder, 4-connecting cylinder, 5-feeding cylinder, 6-piston column, 7-pushing handle, 8-base, 9-plate unloading groove, 10-supporting column, 11-reaction end surface, 12-bottom handle, 13-connecting box, 14-outer ball box, 15-inner ball box, 16-sealing gasket, 17-sealing piston, 18-external thread, 201-bottom plate end plate, 202-gas valve box, 203-spring, 204-valve ball, 205-hole I, 206-hole II.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a gas reaction teaching aid for high school chemistry classroom comprises a main cylinder 1, two groups of connecting cylinders 4 are respectively and fixedly installed on the side walls of the two ends of the main cylinder 1, a feeding cylinder 5 is fixedly installed on the top of each connecting cylinder 4, a piston column 6 is in sliding fit with the inner cavity of each connecting cylinder 4, a sealing piston 17 is fixedly installed at one end of each piston column 6, the sealing piston 17 is tightly attached to the inner wall of each connecting cylinder 4, a pushing handle 7 is fixedly installed at the other end of each piston column 6, a reaction end face 11 is installed at the bottom of the main cylinder 1, a base 8 is arranged below the main cylinder 1, a plurality of groups of supporting columns 10 are fixedly installed on the outer wall of the top of the base 8, the tops of the supporting columns 10 are fixedly connected with the outer wall of the main cylinder 1, a plate unloading groove 9 is formed in the side wall of the base 8, the plate unloading groove 9 is communicated with the top of the base 8, an upper cover box 2 is clamped on the top of the main cylinder 1, a gas cylinder 3 is fixedly installed on the top of the upper cover box 2, the gas cylinder 3 is made of glass materials, a connecting box 13 is fixedly mounted on the side wall of the main cylinder 1, an outer ball box 14 is fixedly mounted at the other end of the connecting box 13, the bottom of the outer ball box 14 is communicated with the connecting box 13, and an inner ball box 15 is movably mounted in an inner cavity of the outer ball box 14.

Wherein, a hole 205 has been seted up to the bottom of gas cylinder 3, upper cover case 2 includes valve box 202 and bottom plate end plate 201, bottom plate end plate 201 mutually supports with 1 top of main section of thick bamboo, No. two holes 206 have been seted up to the bottom of valve box 202, valve ball 204 is installed to the inner chamber of valve box 202, valve ball 204 mutually supports with No. two holes 206, be provided with spring 203 between valve ball 204 and a hole 205, the outer wall of reaction end face 11 evenly is provided with external screw thread 18, the bottom screw-thread fit of reaction end face 11 and 1 inner wall of main section of thick bamboo, can dismantle between the two, the outer wall fixed mounting of interior ball case 15 has sealed the pad 16, sealed pad 16 laminates with outer ball case 14 inner chamber, reaction end face 11 sets up to the arc, the bottom fixed mounting of reaction end face 11 has bottom handle 12.

One specific application of this embodiment is: the utility model discloses a setting up of base 8 is convenient for the device to be placed in the classroom, through placing solid reactant measured weight in feed cylinder 5 in advance, through weighing liquid reactant and pouring into in advance in interior ball case 15, promote and impel handle 7, make impel handle 7 drive sealed piston 17 and inwards move, push solid reactant in main section of thick bamboo 1, through rotating interior ball case 15, make interior ball case 15 overturn in outer ball case 14, make liquid reactant pour into main section of thick bamboo 1, through the reaction of reactant at the top of reaction end face 11, be in airtight state in main section of thick bamboo 1 at this moment, can not make the gaseous of reaction produce spill, when finding piston column 6 has the tendency of external slip, then produce gas more, the user pushes forward handle 7 with the hand at this moment, the gaseous valve ball 204 that upwards backs up of production, get into in gas cylinder 3, can observe the gas that produces through gas cylinder 3, after the reaction finishes, through the setting of spring 203 and valve ball 204, prevent gas leakage, the gas that the reaction of being convenient for generated is preserved and is examined, when remaining reaction debris need be cleared up in the main section of thick bamboo 1, through operation bottom handle 12, dismantle reaction end face 11 from the bottom of main section of thick bamboo 1, through unloading board groove 9 and taking out, empty, this device can be convenient for do relevant gas generation experiment in the classroom, difficult emergence gas leakage, protection experiment safety, and can be convenient for generate gaseous save and examine, good market prospect has.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a gaseous reaction teaching aid that high school chemistry classroom was used, includes a main section of thick bamboo (1), its characterized in that: the improved structure of the plate-out machine is characterized in that two sets of connecting cylinders (4) are respectively and fixedly mounted on the side walls of the two ends of the main cylinder (1), a feeding cylinder (5) is fixedly mounted at the top of each connecting cylinder (4), a piston column (6) is arranged in sliding fit in the inner cavity of each connecting cylinder (4), a sealing piston (17) is fixedly mounted at one end of each piston column (6), the sealing piston (17) is tightly attached to the inner wall of each connecting cylinder (4), a pushing handle (7) is fixedly mounted at the other end of each piston column (6), a reaction end surface (11) is mounted at the bottom of each main cylinder (1), a base (8) is arranged below each main cylinder (1), a plurality of sets of supporting columns (10) are fixedly mounted on the outer wall of the top of each base (8), the tops of the supporting columns (10) are fixedly connected with the outer wall of each main cylinder (1), and a plate-out groove (9) is formed in the side wall of each base (8), unload the top intercommunication of board groove (9) and base (8), the top joint of a main section of thick bamboo (1) has upper cover case (2), the top fixed mounting of upper cover case (2) has gas cylinder (3), gas cylinder (3) are made by the glass material, the lateral wall fixed mounting of a main section of thick bamboo (1) has connecting box (13), the other end fixed mounting of connecting box (13) has outer ball case (14), the bottom and connecting box (13) intercommunication of outer ball case (14), the inner chamber movable mounting of outer ball case (14) has interior ball case (15).

2. A gas reaction teaching aid for high school chemistry classroom according to claim 1 wherein: a hole (205) has been seted up to the bottom of gas cylinder (3), upper cover case (2) are including valve box (202) and bottom plate end plate (201), bottom plate end plate (201) mutually support with main section of thick bamboo (1) top, No. two holes (206) have been seted up to the bottom of valve box (202), valve ball (204) are installed to the inner chamber of valve box (202), valve ball (204) mutually support with No. two holes (206), be provided with spring (203) between valve ball (204) and a hole (205).

3. A gas reaction teaching aid for high school chemistry classroom according to claim 1 wherein: the outer wall of the reaction end face (11) is uniformly provided with external threads (18), and the reaction end face (11) is in threaded fit with the bottom end of the inner wall of the main cylinder (1) and can be detached from the main cylinder.

4. A gas reaction teaching aid for high school chemistry classroom according to claim 1 wherein: the outer wall fixed mounting of interior ball case (15) has sealed pad (16), sealed pad (16) and outer ball case (14) inner chamber laminating.

5. A gas reaction teaching aid for high school chemistry classroom according to claim 1 wherein: the reaction end face (11) is arc-shaped, and a bottom handle (12) is fixedly mounted at the bottom of the reaction end face (11).