CN215643327U

CN215643327U - Explosion experiment demonstrator

Info

Publication number: CN215643327U
Application number: CN202121837218.4U
Authority: CN
Inventors: 杨正斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2022-01-25
Anticipated expiration: 2031-08-06

Abstract

The utility model discloses an explosion experiment demonstrator which comprises a container bottle, a conduit plug, a conduit, an inflator and a cotton ball, wherein the container bottle is provided with a bottle opening; the upper end of the container bottle is provided with an opening, the upper end of the container bottle is provided with an openable bottle cap, and the bottle cap closes the opening at the upper end of the container bottle when being closed so as to form a closed space in the container bottle; the guide pipe is a 7-shaped guide pipe, one end of the guide pipe penetrates into the guide pipe plug from the side surface of the guide pipe plug and extends out of the top of the guide pipe plug; the cotton ball and the conduit plug are respectively arranged in the container bottle; a through hole for the guide pipe to pass through is formed in the side wall of the container bottle and in a position close to the bottom of the container bottle, and the other end of the guide pipe penetrates out of the through hole and is detachably connected with an inflating pipe of the inflator; this application simple structure easy to operate adopts this application demonstration ware, and when demonstration explosion experiment, the explosion phenomenon is more obvious, and the success rate is higher.

Description

Explosion experiment demonstrator

Technical Field

The utility model relates to the technical field of teaching aids, in particular to an explosion experiment demonstrator.

Background

In the seventh unit of the nine-year-class chemistry (human teaching) there is a "dust explosion test" in topic 1 "burn and extinguish". Through the experiment, students can observe the explosion phenomenon caused by dust combustion and know the hazard of combustible dust explosion, thereby improving the interest and consciousness of deeply exploring the things around. However, students often have a low success rate when performing the experiment according to the requirements of the teaching materials.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide an explosion experiment demonstrator with higher success rate.

The technical scheme adopted by the utility model is as follows:

an explosion experiment demonstrator comprises a container bottle, a conduit plug, a conduit, an inflator and a cotton ball; the upper end of the container bottle is provided with an opening, the upper end of the container bottle is provided with an openable bottle cap, and the bottle cap closes the opening at the upper end of the container bottle when being closed so as to form a closed space in the container bottle; the guide pipe is a 7-shaped guide pipe, one end of the guide pipe penetrates into the guide pipe plug from the side surface of the guide pipe plug and extends out of the top of the guide pipe plug; the cotton ball and the conduit plug are respectively arranged in the container bottle; and a through hole for the guide pipe to pass through is formed in the side wall of the container bottle and the position close to the bottom, and the other end of the guide pipe penetrates out of the through hole and is detachably connected with an inflating pipe of the inflator.

Further, still include the face powder box, a plurality of face powder holes have been seted up to the upper end of this face powder box, and the lower extreme of face powder box is uncovered, the face powder box is arranged in the container bottle, and by the uncovered of its lower extreme of pipe stopper shutoff.

Further, the cotton ball is an alcohol cotton ball.

Further, still include the base, this base setting is in the container bottle, the cotton ball setting is on the base.

Further, a clamp is fixedly arranged on the base, and the cotton ball is clamped at the upper end of the clamp.

Further, the cross-sectional shape of the base is trapezoidal.

Further, the cross-sectional shape of the catheter plug is trapezoidal.

Further, the inflator is a push type inflator.

Further, the height of the container bottle is 20cm, the transverse dimension of the bottom of the container bottle is 13cm, and the transverse dimension of the opening part of the upper end of the container bottle is 11 cm; the height of the catheter plug is 2cm, and one end of the catheter extends out of the upper end of the catheter plug by 0.5 cm; the height of the cotton ball is 7 cm.

Further, the height of the flour box is 8cm, the transverse size of the lower end of the flour box is 3cm, and the transverse size of the upper end of the flour box is 6 cm.

Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.

Drawings

In order to more clearly illustrate the detailed description of the utility model or the technical solutions in the prior art, the drawings that are needed in the detailed description of the utility model or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic structural diagram of an explosion experiment demonstration device provided in an embodiment of the present application;

fig. 2 is a schematic structural diagram of an explosion experiment demonstration device according to another embodiment of the present application.

Wherein, the container bottle 1, the base 2, the clamp 3, the cotton ball 4, the conduit plug 5, the conduit 6, the inflator 7 and the flour box 8.

Detailed Description

Here, it is to be noted that the functions, methods, and the like related to the present invention are only conventional adaptive applications of the prior art. Therefore, the present invention is an improvement of the prior art, which is substantially in the connection relationship between hardware, and not in the functions and methods themselves, that is, the present invention relates to a point of functions and methods, but does not include the improvements proposed in the functions and methods themselves. The description of the present invention as to functions and methods is provided for better illustration and understanding of the present invention.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the utility model pertains.

Referring to fig. 1 to 2, the explosion experiment demonstrator of the present application includes a container bottle 1, a conduit plug 5, a conduit 6, an inflator 7, and a cotton ball 4; the upper end of the container bottle 1 is provided with an opening, the upper end of the container bottle 1 is provided with an openable bottle cap, and the bottle cap closes the opening at the upper end of the container bottle 1 when being closed so as to form a closed space in the container bottle 1; the conduit 6 is a 7-shaped conduit 6, one end of the conduit 6 penetrates into the conduit plug 5 from the side surface of the conduit plug 5 and extends out of the top of the conduit plug 5; the cotton ball 4 and the conduit plug 5 are respectively arranged in the container bottle 1; a through hole for the guide tube 6 to pass through is formed in the side wall of the container bottle 1 and the position close to the bottom, and the other end of the guide tube 6 penetrates out of the through hole and is detachably connected with an inflating tube of an inflator 7.

During the test, about 5 drops of gasoline are added into the conduit 6, then the cotton ball 4 and the conduit plug 5 with the conduit 6 are both arranged in the container bottle 1, and one end of the conduit 6 outside the container bottle 1 is connected with the inflating pipe of the inflator 7; after the cotton ball 4 is ignited, the bottle cap is covered, the air is pumped through the inflator 7, and the gasoline in the guide pipe 6 is pushed into the container bottle 1 and explodes, which indicates that the gasoline can explode due to the fact that the gasoline is rapidly combusted in a limited space. This application simple structure easy to operate adopts this application demonstration ware, and when demonstration explosion experiment, the explosion phenomenon is more obvious, and the success rate is higher.

In order to demonstrate the dust explosion experiment, this application still includes face powder box 8, and a plurality of face powder holes have been seted up to the upper end of this face powder box 8, and face powder box 8's lower extreme is uncovered, face powder box 8 arranges in container bottle 1, and by the uncovered of 5 shutoff its lower extremes of pipe stopper.

During the test, flour is added through the opening at the lower end of the flour box 8, the flour is about 2/3 of the volume of the flour box 8, the guide pipe plug 5 is sealed at the lower end of the flour box 8 and is placed in the container bottle 1, the guide pipe 6 and the inflator 7 are connected, the cotton ball 4 is ignited and then inflated, the flour can be observed to be burnt violently, yellow flame is generated and rushes out of the container bottle 1, the flour is combustible, and the dust cannot explode in the open space.

After the cotton ball 4 is ignited, the bottle cap is covered and the air is inflated, so that the flour is quickly atomized, quickly burnt and exploded, which shows that the flour can be quickly burnt in a limited space to explode.

The upper end of the flour box 8 is provided with a plurality of flour holes which can be uniformly distributed at the upper end of the flour box 8, the experimental flour does not need special treatment, the atomization effect is good, the combustion or explosion phenomenon is obvious, and the success rate is high; besides flour, the method is also suitable for explosion experiments of other combustible dust.

The cotton ball 4 can be alcohol cotton ball, which is easier to light and is not easy to blow out when inflating compared with the candle on the textbook.

In order to fix the cotton ball 4, the cotton ball fixing device further comprises a base 2, the base 2 is arranged in the container bottle 1, and the cotton ball 4 is arranged on the base 2.

Specifically, the cross-sectional shape of base 2 is trapezoidal, and base 2 is last to be fixed and is equipped with clip 3, and the upper end at clip 3 is held to cotton ball 4.

The section of the duct plug 5 is trapezoidal, so that the duct plug is conveniently and stably arranged in the container bottle 1, and the opening of the lower end of the flour box 8 is more easily sealed. The air pump 7 is a push type air pump 7.

In an exemplary embodiment, the container bottle 1 is a plastic bottle, the height of the container bottle 1 is 20cm, the transverse dimension of the bottom thereof is 13cm, and the transverse dimension of the upper end opening portion thereof is 11 cm; the height of the catheter plug 5 is 2cm, and one end of the catheter 6 extends out of the upper end of the catheter plug 5 by 0.5 cm; the height of the cotton ball 4 is 7 cm. The height of the flour box 8 is 8cm, the transverse dimension of the lower end is 3cm, and the transverse dimension of the upper end is 6 cm.

In this application, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral combinations thereof; may be an electrical connection; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, numerous specific details are set forth. It is understood, however, that embodiments of the utility model may be practiced without these specific details. In some instances, well-known methods, systems, and techniques have not been shown in detail in order not to obscure an understanding of this description.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, system, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, systems, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims

1. An explosion experiment demonstrator is characterized by comprising a container bottle, a conduit plug, a conduit, an inflator and a cotton ball; the upper end of the container bottle is provided with an opening, the upper end of the container bottle is provided with an openable bottle cap, and the bottle cap closes the opening at the upper end of the container bottle when being closed so as to form a closed space in the container bottle; the guide pipe is a 7-shaped guide pipe, one end of the guide pipe penetrates into the guide pipe plug from the side surface of the guide pipe plug and extends out of the top of the guide pipe plug; the cotton ball and the conduit plug are respectively arranged in the container bottle; and a through hole for the guide pipe to pass through is formed in the side wall of the container bottle and the position close to the bottom, and the other end of the guide pipe penetrates out of the through hole and is detachably connected with an inflating pipe of the inflator.

2. The explosion experiment demonstrator of claim 1, further comprising a flour box, wherein the upper end of the flour box is provided with a plurality of flour holes, the lower end of the flour box is open, and the flour box is placed in the container bottle and the opening at the lower end of the flour box is blocked by the conduit plug.

3. The explosion experiment demonstrator of claim 1 or 2, wherein said cotton ball is an alcohol cotton ball.

4. The explosion experiment demonstration apparatus of claim 3 further comprising a base disposed within the container bottle, the cotton ball being disposed on the base.

5. The explosion experiment demonstration device according to claim 4, wherein a clip is fixedly arranged on the base, and the cotton ball is clamped at the upper end of the clip.

6. The explosion experiment demonstration device of claim 4 wherein the cross-sectional shape of the base is trapezoidal.

7. The detonation experiment demonstrator of claim 1, wherein said conduit plug is trapezoidal in cross-sectional shape.

8. The explosion experiment demonstrator of claim 1, wherein said pump is a push-type pump.

9. The explosion experiment demonstrator of claim 5, wherein said container bottle has a height of 20cm, a lateral dimension of its bottom of 13cm, and a lateral dimension of its upper opening of 11 cm; the height of the catheter plug is 2cm, and one end of the catheter extends out of the upper end of the catheter plug by 0.5 cm; the height of the cotton ball is 7 cm.

10. The explosion experiment demonstration apparatus according to claim 2 wherein the height of the compact is 8cm, the lateral dimension of the lower end is 3cm and the lateral dimension of the upper end is 6 cm.