CN210515841U

CN210515841U - A steam condensation experimental apparatus for primary school's science education

Info

Publication number: CN210515841U
Application number: CN201921736532.6U
Authority: CN
Inventors: 姜凤娟
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-16
Filing date: 2019-10-16
Publication date: 2020-05-12
Anticipated expiration: 2029-10-16

Abstract

The utility model discloses a steam condensation experimental apparatus for primary school's science education, it is equipped with the electric heating rod to insert on the cartridge heater, and the top of cartridge heater is connected with the gas cover that gathers of toper structure, the top of gathering the gas cover is connected with the pipe, the other end of pipe is connected with the steam extrusion pipe, be provided with the extrusion dish in the steam extrusion pipe, and be connected with the push rod on the extrusion dish, be used for in the steam extrusion to the condenser pipe, the bottom intercommunication of steam extrusion pipe has the condenser pipe, and around there being the rubber tube on the condenser pipe, the test tube that is equipped with is filled in to the bottom of condenser pipe. Has the advantages that: through be provided with the electrical heating rod in the heating cylinder, utilize safety, reliable electrical heating replaces naked light heating, and rate of heating is fast, and safety, and produce a large amount of steam easily, through be provided with push rod and extrusion disk combination in the steam extrusion pipe, utilize the push rod to drive the extrusion disk and extrude steam, let steam gather in the condenser pipe, be convenient for improve condensation effect and efficiency, be favorable to the audio-visual reaction of seeing of student.

Description

A steam condensation experimental apparatus for primary school's science education

Technical Field

The utility model relates to a scientific education equipment technical field of primary school specifically is a steam condensation experimental apparatus for primary school's scientific education.

Background

In the development history of the scientific course of primary schools in China, the name of the scientific course undergoes cause, museum, science, nature, common sense, natural common sense, nature and scientific change, the development course is roughly divided into four periods, and as the age of primary schools is small, the understanding ability is not strong, the abstract thinking ability is poor, the principle demonstration is usually carried out by means of equipment during teaching and education, so that students can understand some scientific principles through direct observation, such as experiments of steam condensation, gas liquefaction and the like, the demonstration is visual, and the real experiments are easier to understand by the primary schools than the abstract explanation.

Steam condensation experimental apparatus who uses at present mainly adopts alcohol combustion heating preparation steam, uses open flame to arouse the conflagration very easily in classroom or laboratory, has certain danger, and the steam volume of preparation is few, and speed is slow, and the steam that gives off is not convenient for concentrate on together, leads to steam condensation inefficiency, and the condensation effect is unobvious, can not be fast, and audio-visual demonstration deserves reaction, seriously influences the experimental effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: to the above-mentioned problem that exists at present, a steam condensation experimental apparatus for primary school's science education is provided, through be provided with the electrical heating rod in the cartridge heater, utilize safety, reliable electrical heating replaces naked light heating, and rate of heating is fast, and is safe, and produces a large amount of steam easily, utilize the push rod to drive the extrusion dish extrusion steam, let steam gather in the condenser pipe, be convenient for improve condensation effect and efficiency, be favorable to the audio-visual reaction of seeing of student, thereby solve not enough and the defect that prior art exists.

In order to realize the purpose, the utility model discloses a technical scheme is:

a steam condensation experimental device for primary school's science education, includes heating cylinder, electric heating rod, steam gathering device, condenser pipe and rubber tube, it is equipped with to insert on the heating cylinder the electric heating rod for heating system steam, just the top of heating cylinder is connected with the gas cover that gathers of toper structure, the top of gathering the gas cover is connected with the pipe, is used for carrying steam, the other end of pipe is connected with the steam gathering device, the steam gathering device includes steam extrusion pipe, discoid structure's extrusion dish and push rod, the other end of pipe is connected with the steam extrusion pipe, be provided with the extrusion dish in the steam extrusion pipe, and be connected with the push rod on the extrusion dish for extrude steam in the condenser pipe, the bottom intercommunication of steam extrusion pipe has the condenser pipe, just around there being the rubber tube on the condenser pipe, the device is used for introducing cold water for cooling, and the bottom end of the condensation pipe is plugged into the test tube for collecting condensed water.

Preferably, the top of the heating cylinder is provided with an electric heating rod extending inlet and a steam outlet, and a rubber sealing ring is fixed in the electric heating rod extending inlet.

Preferably, the top of the extending end of the electric heating rod is sleeved with an inherent ceramic sealing ring, the electric heating rod is inserted into the heating cylinder from the inside of the rubber sealing ring, and the electric heating rod is fixed in the rubber sealing ring through extrusion of the ceramic sealing ring.

Preferably, the gas collecting cover is connected to the steam outlet, and an exhaust pipe is communicated with one side of the heating cylinder.

Preferably, the guide pipe and the condensation pipe are fixed on the side wall of the heating cylinder through a support.

Preferably, the conduit and the condenser pipe are both provided with valves.

Since the technical scheme is used, the beneficial effects of the utility model are that:

1. through be provided with the electrical heating stick in the cartridge heater, utilize safe, reliable electrical heating to replace naked light heating, the rate of heating is fast, and is safe, and produces a large amount of steam easily.

2. Through be provided with push rod and extrusion dish combination in the steam extrusion pipe, utilize the push rod to drive the extrusion dish and extrude steam, let steam gather in the condenser pipe, be convenient for improve condensation effect and efficiency, be favorable to the audio-visual reaction of seeing of student.

Drawings

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

FIG. 2 is a schematic structural view of the top of the heating cylinder of the present invention;

fig. 3 is a schematic view of the mounting structure of the ceramic sealing ring of the present invention.

In the figure: 1. a heating cylinder; 2. an electrical heating rod; 3. a gas gathering cover; 4. a conduit; 5. an exhaust pipe; 6. steam extruding the tube; 7. a condenser tube; 8. a test tube; 9. an extrusion disc; 10. a push rod; 11. a rubber tube; 12. a valve; 13. a support; 14. an electric heating rod extends into the opening; 15. a rubber seal ring; 16. a steam outlet; 17. ceramic seal ring.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the accompanying drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solution in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, rather than all embodiments, based on the embodiments in the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention.

Referring to fig. 1-3, the utility model provides a technical scheme, a steam condensation experimental apparatus for primary school's science education, including a heating cylinder 1, an electric heating rod 2, a steam gathering device, a condenser pipe 7 and a rubber tube 11, the electric heating rod 2 is inserted on the heating cylinder 1 for heating, and the top of the heating cylinder 1 is connected with a conical gas gathering cover 3, the top of the gas gathering cover 3 is connected with a conduit 4 for conveying steam, the other end of the conduit 4 is connected with a steam gathering device, the steam gathering device includes a steam extruding pipe 6, a disc-shaped extruding disc 9 and a push rod 10, the other end of the conduit 4 is connected with a steam extruding pipe 6, an extruding disc 9 is arranged in the steam extruding pipe 6, and the push rod 10 is connected on the extruding disc 9 for gathering steam, thereby improving the experimental effect, the bottom of the steam extruding pipe 6 is communicated with the condenser pipe 7, and around having rubber tube 11 on condenser pipe 7 for the cooling, in the test tube 8 that is equipped with was filled in to the bottom of condenser pipe 7, was used for collecting the drop of water that the condensation got off.

Preferably, the top of the heating cylinder 1 is provided with an electric heating rod inlet 14 and a steam outlet 16, and a rubber sealing ring 15 is fixed in the electric heating rod inlet 14 for sealing.

Preferably, the top of the extending end of the electric heating rod 2 is sleeved with an inherent ceramic sealing ring 17, and the electric heating rod 2 is inserted into the heating cylinder 1 from the inside of the rubber sealing ring 15 and is fixed in the rubber sealing ring 15 through extrusion of the ceramic sealing ring 17, so that the fixing and the sealing are convenient.

Preferably, the gas collecting cover 3 is connected to the steam outlet 16, and one side of the heating cylinder 1 is communicated with an exhaust pipe 5 for exhausting gas to prevent the heating cylinder 1 from bursting.

Preferably, the conduit 4 and the condenser tube 7 are fixed to the side wall of the heating cylinder 1 by means of a bracket 13 provided for stable support.

Preferably, valves 12 are provided on both the conduit 4 and the condenser tube 7 to facilitate control of the delivery of steam.

In this embodiment, the operation steps of the steam condensation experimental apparatus are as follows:

the method comprises the following steps: firstly, clean water is poured into the heating cylinder 1, then the electric heating rod 2 is inserted into the heating cylinder 1, the ceramic sealing ring 17 is used for extrusion to fix and seal the inner side of the rubber sealing ring 15, then the push rod 10 is lifted, the extrusion disc 9 is pulled to the top end of the steam extrusion pipe 6, and finally the valve 12 on the condensation pipe 7 is closed.

Step two: give 2 circular telegrams of electrical heating rod, utilize the electric heat conversion to heat the water in the cartridge heater 1, safe and reliable, and rate of heating is fast, along with the temperature constantly risees, observes whether emit steam in the blast pipe 5, when a large amount of steam emits, opens the valve on the pipe 4, lets steam in gathering gas hood 3 and pipe 4 entering steam extrusion pipe 6.

Step three: with the both ends and the water pipe intercommunication of rubber tube 11, and the circulation supplies cold water, cool down condenser pipe 7, then close valve 12 on the pipe 4, push down rod 10, utilize extrusion disc 9 to impress steam in condenser pipe 7, let in cold water along with the continuous circulation of rubber tube 11, steam in condenser pipe 7 begins constantly to cool down, the temperature will become the drop of water after dropping down along the inner wall of condenser pipe 7, open valve 12 on the condenser pipe 7, let the drop of water that the condensation got down fall into in test tube 8, the whole structure is simple, the easy operation, can provide obviously simultaneously, reliable condensation reaction.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

The electrical heating rod used in this application is an existing product, for example: the heating rod of the Yunpuan brand, KEW-47 model, is the existing mature technology, and the specific internal structure and principle thereof belong to the technical scope which can be understood by a person skilled in the art, and are not described in detail herein.

Claims

1. The utility model provides a steam condensation experimental apparatus for primary school's scientific education, includes cartridge heater (1), electric heating rod (2), steam gathering device, condenser pipe (7) and rubber tube (11), its characterized in that: the electric heating rod (2) is inserted on the heating cylinder (1), the top of the heating cylinder (1) is connected with a gas gathering cover (3) with a conical structure, the top end of the gas gathering cover (3) is connected with a guide pipe (4), the other end of the guide pipe (4) is connected with the steam gathering device, the steam gathering device comprises a steam extrusion pipe (6), an extrusion disc (9) with a disc-shaped structure and a push rod (10), the other end of the conduit (4) is connected with the steam extrusion pipe (6), the steam extrusion pipe (6) is internally provided with the extrusion disc (9), the extrusion disc (9) is connected with the push rod (10), the bottom of the steam extrusion pipe (6) is communicated with the condensing pipe (7), and the condensation pipe (7) is wound with the rubber tube (11), and the bottom end of the condensation pipe (7) is plugged into the test tube (8).

2. A steam condensation experimental set for primary school science education as claimed in claim 1, wherein: an electric heating rod extending opening (14) and a steam outlet (16) are formed in the top of the heating cylinder (1), and a rubber sealing ring (15) is fixed in the electric heating rod extending opening (14).

3. A steam condensation experimental set for primary school science education as claimed in claim 2, wherein: the intrinsic ceramic seal ring (17) of end cover is stretched into of electrical heating rod (2), just electrical heating rod (2) are followed insert in rubber seal ring (15) the inside of cartridge heater (1), and pass through ceramic seal ring (17) extrusion is in rubber seal ring (15) internal fixation.

4. A steam condensation experimental set for primary school science education as claimed in claim 3, wherein: the gas gathering cover (3) is connected to the steam outlet (16), and an exhaust pipe (5) is communicated with one side of the heating cylinder (1).

5. A steam condensation experimental set for primary school science education as claimed in claim 1, wherein: the guide pipe (4) and the condensation pipe (7) are fixed on the side wall of the heating cylinder (1) through a support (13) arranged on the side wall.

6. A steam condensation experimental set for primary school science education as claimed in claim 5, wherein: the guide pipe (4) and the condensation pipe (7) are both provided with valves (12).