CN219759015U - Device for igniting combustible in closed environment by resistance wire - Google Patents

Abstract

The utility model discloses a device for igniting combustible materials in a closed environment by a resistance wire, which comprises a gas collecting bottle, an injector, a conduit, a connecting wire, a switch and a power adapter, wherein the injector is movably connected to the middle part of the gas collecting bottle cover, the conduit is movably connected to the right part of the gas collecting bottle cover, a rubber tube is fixedly arranged in the middle part of the conduit, a water stop clamp is movably clamped on the rubber tube, the conduit extends into a beaker, a combustion spoon is movably arranged on the left part of the gas collecting bottle cover, and the connecting wire is fixedly connected to the part of the gas collecting bottle cover positioned between the injector and the combustion spoon, and compared with the prior art, the device has the advantages that: the gas collecting bottle, the injector, the guide pipe, the combustion spoon and the resistance wire are arranged as a whole, so that the gas collecting bottle has good tightness, harmful substances generated in experiments can be prevented from being dissipated into the air, and the connecting wire, the switch and the power adapter are arranged as operation parts, so that the operation process is safe.

Description

Device for igniting combustible in closed environment by resistance wire

Technical Field

The utility model relates to the field of igniting combustible materials in a closed environment by a resistance wire, in particular to a device for igniting the combustible materials in the closed environment by the resistance wire.

Background

In the second unit subject 1 of the teaching edition of the education people of nine years of the education people of the obligation to use chemistry, there is a demonstration experiment, the oxygen content in the air is measured by igniting red phosphorus, in the experiment, the red phosphorus is ignited outside a gas collecting bottle and then rapidly stretches into the gas collecting bottle, a great amount of white smoke is generated in the combustion process of the red phosphorus, the red phosphorus is phosphorus pentoxide and has toxicity, the experiment is usually completed in a classroom because of the demonstration experiment, and the common classroom is not provided with a special toxic gas device, so that the air pollution is necessarily caused in the classroom, and the physical and mental health of students is influenced. At the same time, the operation speed needs to be fast, and if too slow, the experimental effect will be affected, which easily results in operation being unsafe.

However, the existing devices for igniting combustible materials in the closed environment by using the resistance wire in the market have certain defects and shortcomings, and harmful substances generated by experiments can escape into the air, so that the operation is not safe enough.

Disclosure of Invention

The utility model aims to overcome the technical defects, provide a device for igniting combustible materials in a closed environment by using a resistance wire, and solve the problem that harmful substances generated in experiments can escape into the air and the operation is not safe enough.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the utility model provides a device of combustible material in resistance wire ignition airtight environment, includes gas collection bottle, syringe, pipe, rubber tube, stagnant water clamp, beaker, combustion spoon, resistance wire, connecting wire, switch, power adapter, scale mark, gas collection bottle lid mid portion swing joint have the syringe, gas collection bottle lid right part swing joint have the pipe, pipe mid portion fixedly provided with rubber tube, rubber tube swing clamp be equipped with stagnant water clamp, the pipe stretch into in the beaker, gas collection bottle lid left part activity be provided with the combustion spoon, combustion spoon portion activity be provided with the resistance wire, gas collection bottle lid be in the part fixedly connected with connecting wire in the middle of syringe and the combustion spoon, connecting wire mid portion fixedly provided with switch, connecting wire keep away from gas collection bottle one end swing joint and be equipped with power adapter.

Furthermore, the gas collecting bottle is a transparent glass bottle, the cover is made of rubber, the gas tightness is good, and scale marks are carved on the bottle body of the gas collecting bottle.

Further, the syringe capacity be 50ml, syringe top fixedly be provided with injection needle tubing, mid portion be transparent plastic syringe, the syringe surface carved with the scale mark, the syringe activity cup joint the catch lever, the catch lever top fixedly be provided with the rubber buffer.

Further, the guide pipe is made of hard transparent material, the rubber pipe is soft and elastic and can be pressed, scale marks are carved on the surface of the beaker, and the combustion spoon is made of water-resistant and heating-resistant material.

Further, the switch is a common switch, and the specification of the power adapter is 9V and 1A.

Compared with the prior art, the utility model has the advantages that: the gas collecting bottle, the injector, the guide pipe, the combustion spoon and the resistance wire are arranged as a whole, so that the gas collecting bottle has good tightness, harmful substances generated in experiments can be prevented from being dissipated into the air, and the connecting wire, the switch and the power adapter are arranged as operation parts, so that the operation process is safe.

Drawings

FIG. 1 is a schematic diagram of a device for igniting combustible materials in a closed environment by using a resistance wire according to the present utility model.

Fig. 2 is a schematic diagram of a syringe structure of a device for igniting combustible materials in a closed environment by using a resistance wire according to the utility model.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

In the description of the embodiments of the present utility model, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which the product of the present utility model is conventionally put when used, it is merely for convenience of describing the present utility model and simplifying the description, and it does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," "overhang" and the like, if any, do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present utility model, "plurality" means at least 2.

In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Examples:

the utility model provides a device of combustible material in resistance wire ignition airtight environment, includes gas collection bottle 1, syringe 2, pipe 3, rubber tube 4, stagnant water clamp 5, beaker 6, combustion spoon 7, resistance wire 8, connecting wire 9, switch 10, power adapter 11, scale mark 12, gas collection bottle 1 lid middle part swing joint have syringe 2, gas collection bottle 1 lid right part swing joint have pipe 3, gas collection bottle lid has good seal, pipe 3 middle part fixedly provided with rubber tube 4, rubber tube 4 movable clamp be equipped with stagnant water clamp 5, the operation is convenient, avoid the operation dangerous, pipe 3 stretch into in the beaker 6, gas collection bottle 1 lid left part activity be provided with combustion spoon 7, combustion spoon 7 spoon portion activity be provided with resistance wire 8, gas collection bottle 1 lid be in the middle part of syringe 2 and combustion spoon 7 the part fixedly connected with connecting wire 9, connecting wire 9 middle part fixedly be provided with switch 10 for control circuit, connecting wire 9 one end activity be away from and be equipped with power adapter 11.

The gas collecting bottle 1 is a transparent glass bottle, the cover is made of rubber, the gas tightness is good, the observation and the operation are convenient, and the scale marks 12 are carved on the bottle body part of the gas collecting bottle 1.

The volume of the injector 2 is 50ml, an injection needle tube 201 is fixedly arranged at the tip of the injector 2, a transparent plastic injection tube 202 is arranged at the middle part of the injector, scale marks 12 are carved on the surface of the injection tube 202, a push rod 203 is movably sleeved on the injection tube 202, and a rubber plug 204 is fixedly arranged at the top of the push rod 203.

The guide tube 3 is made of hard transparent material, the rubber tube 4 is soft and elastic and can be pressed, graduation marks 12 are carved on the surface of the beaker 6, and the combustion spoon 7 is made of water-resistant and heating-resistant material.

The switch 10 is a common switch, and the specification of the power adapter 11 is 9V and 1A.

When the utility model is implemented, firstly, after the whole instrument device is installed, the air tightness of the device is checked, when the air tightness is good, the water stop clamp is closed, and the injector pulls up a little of gap, so that a great amount of heat energy is instantaneously generated when red phosphorus burns to quickly push the injector piston, and then a medicine spoon is used for taking a sufficient amount of red phosphorus in the burning spoon. In the last step, the switch is closed to ignite red phosphorus. When the gas collection bottle is cooled to room temperature, the water stop clamp is opened, and water entering the gas collection bottle can be observed to occupy about 1/5 of the volume of the gas collection bottle.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims (5)

1. The device for igniting combustible substances in a closed environment by using resistance wires comprises a gas collecting bottle (1), an injector (2), a guide pipe (3), a rubber pipe (4), a water stop clamp (5), a beaker (6), a combustion spoon (7), a resistance wire (8), a connecting wire (9), a switch (10), a power adapter (11) and a scale mark (12), and is characterized in that the injector (2) is movably connected to the middle part of the gas collecting bottle (1), the guide pipe (3) is movably connected to the right part of the gas collecting bottle (1), the rubber pipe (4) is fixedly arranged in the middle part of the guide pipe (3), the water stop clamp (5) is movably clamped on the rubber pipe (4), the guide pipe (3) extends into the beaker (6), the left part of the gas collecting bottle (1) is movably provided with the combustion spoon (7), the resistance wire (8) is movably arranged at the spoon part of the combustion spoon (7), the connecting wire (9) is fixedly connected to the middle part of the gas collecting bottle (1) cover, the connecting wire (9) is fixedly arranged at the middle part of the combustion spoon (7), one end of the connecting wire (9) far away from the gas collecting bottle (1) is movably connected with a power adapter (11).

2. The device for igniting combustible materials in a closed environment by using the resistance wire according to claim 1, wherein the gas collecting bottle (1) is a transparent glass bottle, the cover is made of rubber, the air tightness is good, and graduation lines (12) are carved on the bottle body part of the gas collecting bottle (1).

3. The device for igniting combustible materials in the closed environment by using the resistance wire according to claim 1, wherein the capacity of the injector (2) is 50ml, an injection needle tube (201) is fixedly arranged at the top of the injector (2), a transparent plastic injection tube (202) is arranged at the middle part of the injector, scale marks (12) are carved on the surface of the injection tube (202), a push rod (203) is movably sleeved on the injection tube (202), and a rubber plug (204) is fixedly arranged at the top of the push rod (203).

4. The device for igniting combustible substances in a closed environment by using the resistance wire according to claim 1, wherein the guide tube (3) is made of a hard transparent material, the rubber tube (4) is soft and elastic and can be pressed, graduation marks (12) are carved on the surface of the beaker (6), and the combustion spoon (7) is made of a water-resistant and heating-resistant material.

5. The device for igniting combustible materials in a closed environment by using the resistance wire according to claim 1, wherein the switch (10) is a common switch, and the power adapter (11) is 9V and 1A in specification.