CN211755072U

CN211755072U - Chemical experiment box for middle school students

Info

Publication number: CN211755072U
Application number: CN202020227817.3U
Authority: CN
Inventors: 钱逸飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2020-10-27
Anticipated expiration: 2030-02-28

Abstract

The utility model discloses a middle school student's chemistry experiment box, including the experiment casing, it has the processing casing to peg graft in experiment casing top outer wall one side, and handles the casing top and the bottom inner wall has all seted up the sliding tray, and two sliding tray inner wall sliding connection have same active carbon to filter the otter board, handle casing one side outer wall and seted up the ventilation hole, and handle casing opposite side outer wall and peg graft and have the intake pipe, the intake pipe other end is installed and is inhaled the fill, handles casing bottom one side inner wall and installs the exhaust fan, handle casing one end outer wall and seted up the rectangular channel, and the inner wall articulates on one side of the rectangular channel has the. The utility model discloses in, filter the air inlet fill on otter board, exhaust fan and the intake pipe through being provided with processing casing, second door plant, active carbon, can filter the otter board with the toxic gas and the corrosive gas that produce in the experiment and absorb by the active carbon, avoid toxic gas injury student, improved the security of experiment.

Description

Chemical experiment box for middle school students

Technical Field

The utility model relates to a chemistry experiment technical field especially relates to a middle school student chemistry experiment case.

Background

Chemistry is a natural science, and the composition, properties, structure and change rules of substances are researched on the molecular and atomic level; creating the science of new substances. The world is composed of substances, and chemistry is one of the main methods and means used by humans to recognize and reform the substance world. It is a long-standing and energetic subject, and its achievement is an important sign of social civilization, and there are two kinds of change forms of chemical change and physical change in chemistry.

Need carry out the chemistry experiment teaching for the student when middle school's chemistry teaching, this will use chemical experiment case, but current experimental box generally only has and holds household utensils and chemical medicine effect, and the experiment is gone on in the space that is open relatively, and some chemical reaction have certain danger during the experiment, for example corrosivity or produce toxic gas, all have certain injury to student and mr like this, consequently need a middle school student's chemical experiment case to solve above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing a chemical experiment box for middle school students, which can effectively solve the problem brought out by the background technology.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a middle school student's chemistry experiment box, includes the experiment casing, it has the processing casing to peg graft in experiment casing top outer wall one side, and handles casing top and bottom inner wall and all seted up the sliding tray, and two sliding tray inner wall sliding connection have same active carbon to filter screen board, handle casing one side outer wall and seted up the ventilation hole, and handle casing opposite side outer wall and peg graft and have the intake pipe, the intake pipe other end is installed and is advanced air scoop, handles casing bottom one side inner wall and installs the exhaust fan.

Preferably, the outer wall of one end of the processing shell is provided with a rectangular groove, and the inner wall of one side of the rectangular groove is hinged with a second door plate.

Preferably, rubber seats are installed at four corners of the outer wall of the bottom of the experiment shell, and air inlet holes distributed equidistantly are formed in the outer wall of one side of the experiment shell.

Preferably, experiment casing one end outer wall both sides all articulate there is first door plant, and two first door plants one side outer wall top of keeping away from each other all install the second handle.

Preferably, circular recess has all been seted up at first door plant one side outer wall both ends, and the articulated circular block that has of circular recess top inner wall, and circular rod is installed to circular block one side outer wall bottom.

Preferably, the spread groove has been seted up to experiment casing one side inner wall, and spread groove inner wall sliding connection has places the board, and the alcohol burner standing groove has been seted up to experiment casing bottom one side inner wall.

Preferably, the supporting block is installed on one side of the outer wall of the bottom of the placing plate, the outer wall of the top of the supporting block is provided, the protection plate is installed on one end of the outer wall of the bottom of the placing plate, and the beaker placing groove is formed in one side of the outer wall of the top of the placing plate.

Preferably, the top of the outer wall of the two sides of the experiment shell is provided with an opening, the inner wall of the opening is connected with a connecting block in a sliding mode, and the outer wall of one side of the connecting block is provided with a pulling plate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through being provided with the air inlet fill of handling on casing, second door plant, the active carbon filter screen board, exhaust fan and the intake pipe, can be absorbed toxic gas and the corrosive gas that produces in the experiment by the active carbon filter screen board, avoid toxic gas injury student, improved the security of experiment.

2. Through being provided with place board, supporting shoe, guard plate, alcohol burner standing groove and beaker standing groove, can fix the alcohol burner, avoid being bumped by the mistake in the alcohol burner working process and lead to danger, further improved the security, through circular block and the round bar of setting on first door plant, can stretch into the hand and operate in the experiment casing when first door plant is closed, further improved the security that the student tested.

3. Embodiment 2 through connecting block, arm-tie and the recess of setting on the experiment casing, can pull out the arm-tie and carry the experimental box, makes things convenient for people to use.

Drawings

Fig. 1 is a schematic view of a chemical experimental box for middle school students according to the present invention;

FIG. 2 is a schematic view of a cross-sectional structure of a processing housing of a chemical laboratory box for middle school students according to the present invention;

fig. 3 is the utility model provides an embodiment 2 of middle school student's chemical experiment case experiment casing part sectional structure sketch map.

In the figure: 1 place board, 2 first door plant, 3 guard plates, 4 supporting shoes, 5 circular lumps, 6 rubber seats, 7 circular poles, 8 experiment casings, 9 second handles, 10 air intake fill, 11 intake pipes, 12 handle the casing, 13 second door plants, 14 active carbon filter plate, 15 exhaust fans, 16 inlet openings, 17 arm-tie, 18 connecting blocks.

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, rather than all embodiments, and in the present invention, unless explicitly specified or limited otherwise, the terms "mounting", "setting", "connecting", "fixing", "screwing", and the like are to be understood in a broad sense, for example, they may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Example 1

Referring to fig. 1-2, a middle school student's chemistry experiment box, including

experiment casing

8, 8 top outer walls of experiment casing one side are pegged graft and are had processing casing 12, and processing casing 12 top and bottom inner wall have all seted up the sliding tray, two sliding tray inner walls sliding connection have same active carbon to filter otter board 14, processing casing 12 one side outer wall has seted up the ventilation hole, and it has intake pipe 11 to handle 12 opposite side outer walls peg graft, the intake pipe 11 other end extends to inside the experiment casing 8, intake hopper 10 is installed to the intake pipe 11 other end, it installs exhaust fan 15 to handle 12 bottom one side inner wall of casing, exhaust fan 15 is located active carbon and filters otter board 14 and intake pipe 11 between.

In the utility model, the outer wall of one end of the processing shell 12 is provided with a rectangular groove, the inner wall of one side of the rectangular groove is hinged with a second door plate 13, the outer wall of one end of the second door plate 13 is provided with a first handle, the four corners of the outer wall of the bottom of the experiment shell 8 are all provided with rubber seats 6, the outer wall of one side of the experiment shell 8 is provided with air inlet holes 16 distributed equidistantly, the two sides of the outer wall of one end of the experiment shell 8 are both hinged with first door plates 2, the top of the outer wall of one side, away from each other, of the two first door plates 2 is provided with a second handle 9, the first door plates 2 are made of transparent materials, the two ends of the outer wall of one side of the first door plates 2 are both provided with circular grooves, the inner wall of the top of the circular grooves is hinged with circular blocks 5, the bottom of the outer wall, place 1 bottom outer wall one side of board and install supporting

shoe

4, and 4 top outer walls of supporting shoe one side have been seted up, place 1 bottom outer wall one end of board and install guard plate 3, place 1 top outer wall one side of board and seted up the beaker standing groove.

The working principle is as follows: through being provided with processing casing 12, second door plant 13, active carbon filters otter board 14, the air intake fill 10 on exhaust fan 15 and the intake pipe 11, can be with the toxic gas that produces in the experiment by active carbon filters otter board 14 absorption, avoid toxic gas injury student, the security of experiment has been improved, through being provided with place board 1, supporting shoe 4, guard plate 3, alcohol burner standing groove and beaker standing groove, can fix the alcohol burner, avoid being bumped by the mistake in the alcohol burner working process and lead to danger, the security has further been improved, through circular block 5 and the circular rod 6 of setting on first door plant 2, can stretch into the hand and operate in experiment casing 8 when first door plant 2 closes, the security of student's experiment has further been improved.

Example 2

Referring to fig. 1-3, a middle school student's chemical experiment box further comprises an experiment shell 8, wherein openings are formed in the tops of the outer walls of the two sides of the experiment shell, a connecting block 18 is connected to the inner wall of each opening in a sliding mode, a pulling plate 17 is installed on the outer wall of one side of the connecting block 18, and a groove is formed in the outer wall of one side of the pulling plate 17.

The working principle is as follows: compare with embodiment 1, through connecting block 18, arm-tie 17 and the recess of setting on experiment casing 8, can pull out arm-tie 17 and carry the experimental box, make things convenient for people to use.

The utility model discloses the standard part that uses in all can purchase from the market, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt conventional model among the prior art to the controller can play the conventional known equipment of control for exhaust fan 16, and the control circuit of controller can realize through the simple programming of technical staff in this field, and the providing of power also belongs to the common general knowledge in this field, and the utility model discloses mainly used protects mechanical device, so the utility model discloses no longer explain in detail control mode and circuit connection.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a middle school student's chemistry experiment box, includes experiment casing (8), its characterized in that, it has processing casing (12) to peg graft in experiment casing (8) top outer wall one side, and handles casing (12) top and bottom inner wall and have all seted up the sliding tray, and two sliding tray inner wall sliding connection have same active carbon filter screen board (14), handle casing (12) one side outer wall and seted up the ventilation hole, and handle casing (12) opposite side outer wall and peg graft and have intake pipe (11), intake pipe (11) other end is installed and is fought (10), handles casing (12) bottom one side inner wall and installs exhaust fan (15).

2. The chemical laboratory box for middle school students according to claim 1, wherein the outer wall of one end of the processing case (12) is formed with a rectangular groove, and the inner wall of one side of the rectangular groove is hinged with a second door panel (13).

3. The chemical laboratory box for middle school students according to claim 1, wherein the rubber seats (6) are installed at four corners of the outer wall of the bottom of the experimental shell (8), and the air inlet holes (16) are formed in the outer wall of one side of the experimental shell (8) and are distributed equidistantly.

4. The chemical laboratory box for middle school students according to claim 1, wherein the outer wall of one end of the experimental shell (8) is hinged with the first door panel (2) on both sides, and the second handle (9) is installed on the top of the outer wall of one side of the two first door panels (2) far away from each other.

5. The chemical laboratory box for middle school students according to claim 4, wherein the first door panel (2) has circular grooves on both ends of the outer wall of one side, the inner wall of the top of the circular groove is hinged with a circular block (5), and the bottom of the outer wall of one side of the circular block (5) is provided with a circular rod (7).

6. The chemical laboratory box for middle school students according to claim 1, wherein the inner wall of one side of the experimental housing (8) is provided with a connecting groove, the inner wall of the connecting groove is slidably connected with the placing plate (1), and the inner wall of one side of the bottom of the experimental housing (8) is provided with an alcohol lamp placing groove.

7. The middle school student chemical experiment box according to claim 6, wherein the supporting block (4) is installed on one side of the outer wall of the bottom of the placing plate (1), the supporting block (4) is opened on one side of the outer wall of the top of the supporting block, the protection plate (3) is installed on one end of the outer wall of the bottom of the placing plate (1), and the beaker placing groove is opened on one side of the outer wall of the top of the placing plate (1).

8. The chemical laboratory box for middle school students according to claim 1, wherein the top of the outer wall of the experimental shell (8) is opened, the inner wall of the opening is connected with a connecting block (18) in a sliding way, and the outer wall of one side of the connecting block (18) is provided with a pulling plate (17).