CN210324819U - Presentation device is used in chemistry experiment teaching - Google Patents
Presentation device is used in chemistry experiment teaching Download PDFInfo
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- CN210324819U CN210324819U CN201921226739.9U CN201921226739U CN210324819U CN 210324819 U CN210324819 U CN 210324819U CN 201921226739 U CN201921226739 U CN 201921226739U CN 210324819 U CN210324819 U CN 210324819U
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- bolts
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- wall
- sliding block
- experiment teaching
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Abstract
The utility model discloses a presentation device is used in chemistry experiment teaching, including the workstation body, there is the supporting leg, and four bottom four corners of the workstation body bolted connection the inner wall of supporting leg has same installation base through bolted connection, there is the aspiration pump at the top of installation base through bolted connection, and there is the neutralization box at the top of installation base through bolted connection, there is the aspiration pump at top one side of installation base through bolted connection. The utility model discloses in, through being provided with crashproof leather pad, sliding block, high definition camera, fastening bolt, support column, when carrying out the chemistry experiment, the distance of adjustment sliding block on the support column is fixed through fastening bolt, and high definition camera is in real time with chemical reaction process passing signal line with information transfer to teaching display screen on, avoided back row personnel can not observe the reaction condition, and crashproof leather pad has reduced the sliding block and has dropped the collision dynamics that causes the collision.
Description
Technical Field
The utility model relates to a chemistry experiment technical field especially relates to a presentation device is used in chemistry experiment teaching.
Background
When the student study chemistry, often need oneself do the experiment with the hands or need the teacher to do the experiment demonstration and increase the understanding and the memory of student to the chemical principle, make things convenient for student's study, general small-size or miniature experiment do not have danger can be comparatively random let the student go on under the safety protection measure, but relate to some and produce the experiment that explosion and toxic gas produced easily, if student oneself operates dangerously high, appear the accident easily and produce the threat to student's health, also there is certain danger when the teacher demonstrates.
Because there is not dedicated presentation device for the chemical experiment, usually, has some dangerous experiments, and the mr is in order to guarantee student's safety, generally does not carry out the experiment, but for the better understanding of example student, must demonstrate some dangerous experiments to some, for this reason, we need to design a presentation device for chemical experiment teaching urgently.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a demonstration device for chemical experiment teaching.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a demonstration device for chemical experiment teaching comprises a workbench body, wherein four corners of the bottom of the workbench body are connected with supporting legs through bolts, inner walls of the four supporting legs are connected with the same installation base through bolts, the top of the installation base is connected with an air pump through bolts, the top of the installation base is connected with a neutralization box through bolts, one side of the top of the installation base is connected with the air pump through bolts, one side of the air pump is connected with an air suction pipe through a clamping sleeve, the top of the workbench body is connected with a support frame through bolts, the top of the support frame is connected with a display platform through bolts, the top of the workbench body is connected with a support column through bolts, the outer wall of the support column is sleeved with a sliding block, the outer wall of the sliding block is connected with a protective shell through bolts, and the inner wall of the protective shell is, one side of the protective shell is transparent glass.
Preferably, a feeding pipe is welded on one side of the top of the neutralization tank, and the neutralization tank is connected with the air suction pump through a pipeline.
Preferably, the bottom of the supporting column is sleeved with an anti-collision leather pad, and the anti-collision leather pad is connected with the workbench body in a bonding mode.
Preferably, the top of support column is connected with the dwang through the bearing, and there is the light bottom of dwang through bolted connection.
Preferably, a threaded hole is formed in one side of the outer wall of the sliding block, and a fastening bolt is connected to the inside of the threaded hole through threads.
Preferably, the illuminating lamp, the high-definition camera and an external switch of the air pump are electrically connected with an external power supply through wires, and the high-definition camera is electrically connected with an external display screen through a signal line.
Preferably, one side of the top of the workbench body is connected with a supporting plate through a bolt, a rectangular notch is formed in one side of the outer wall of the supporting plate, an air suction hopper is connected to one side of the inner wall of the rectangular notch through a bolt, and the air suction hopper is connected with an air suction pipe through a clamping sleeve.
The utility model has the advantages that:
1. the utility model provides a presentation device is used in chemical experiment teaching through being provided with aspiration pump, neutralization box, breathing pipe, the fill of breathing in, backup pad, when carrying out the chemical experiment, can produce toxic gas sometimes, according to different experiments to the inside neutralization liquid of filling of neutralization box, the aspiration pump through the installation of breathing pipe one end the fight with the toxic gas that the experiment produced absorb neutralization, avoid being inhaled by the experimenter.
2. The utility model provides a presentation device is used in chemistry experiment teaching, through being provided with crashproof leather pad, sliding block, high definition camera, fastening bolt, support column, when carrying out the chemistry experiment, the distance of adjustment sliding block on the support column is fixed through fastening bolt, high definition camera is in real time with chemical reaction process passing signal line with information transfer to teaching display screen on, avoided back row personnel to observe the not reaction condition, crashproof leather pad has reduced the sliding block and has dropped the collision dynamics that causes the collision.
3. The utility model provides a presentation device is used in chemical experiment teaching through being provided with support column, light, dwang, when experimenting, rotates the dwang of support column top installation, and the light of dwang bottom installation can provide auxiliary lighting, and is very simple and convenient.
Drawings
Fig. 1 is a schematic sectional structure view of a demonstration apparatus for chemical experiment teaching according to the present invention;
fig. 2 is a schematic side view of a sliding block of the demonstration apparatus for chemical experiment teaching according to the present invention;
fig. 3 is the utility model provides a chemical experiment teaching is with presentation device's fill structure schematic diagram of breathing in.
In the figure: 1 supporting leg, 2 breathing pipes, 3 workstation bodies, 4 suction hopper, 5 backup pads, 6 dwang, 7 light, 8 show platforms, 9 support frames, 10 inlet pipes, 11 installation bases, 12 neutralization case, 13 aspiration pumps, 14 support columns, 15 crashproof leather pads, 16 fastening bolt, 17 high definition camera, 18 protective housing, 19 sliding blocks.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1
Referring to fig. 1-2, a demonstration device for chemical experiment teaching comprises a worktable body 3, four corners of the bottom of the worktable body 3 are connected with supporting legs 1 through bolts, inner walls of the four supporting legs 1 are connected with a same mounting base 11 through bolts, the top of the mounting base 11 is connected with an air pump 13 through bolts, the top of the mounting base 11 is connected with a neutralization box 12 through bolts, one side of the top of the mounting base 11 is connected with the air pump 13 through bolts, one side of the air pump 13 is connected with an air suction pipe 2 through a clamping sleeve, the top of the worktable body 3 is connected with a supporting frame 9 through bolts, the top of the supporting frame 9 is connected with a display platform 8 through bolts, the top of the worktable body 3 is connected with a supporting column 14 through bolts, the outer wall of the supporting column 14 is sleeved with a sliding block 19, and the outer wall of the sliding block, the inner wall of the protective shell 18 is connected with a high-definition camera 17 through a bolt, and one side of the protective shell 18 is made of transparent glass.
Wherein, the welding of top one side of neutralization case 12 has inlet pipe 10, and neutralization case 12 passes through the pipe connection with aspiration pump 13, crashproof leather pad 15 has been cup jointed to support column 14's bottom, and crashproof leather pad 15 and workstation body 3 adhesive bonding connection, support column 14's top is connected with dwang 6 through the bearing, and there is light 7 bottom of dwang 6 through bolted connection, threaded hole has been seted up to outer wall one side of sliding block 19, threaded hole inside has fastening bolt 16 through threaded connection, light 7 passes through wire and external power source electric connection with high definition camera 17 and aspiration pump 13's external switch, and high definition camera 17 passes through signal line electric connection with the external display screen.
Example 2
Referring to fig. 3, a presentation device is used in chemistry experiment teaching, still include 3 top one sides of the workstation body backup pad 5 through bolted connection, and rectangular notch has been seted up to backup pad 5's outer wall one side, there is air suction hopper 4 through bolted connection in rectangular notch's inner wall one side, air suction hopper 4 passes through cutting ferrule with breathing pipe 2 and is connected, when carrying out the chemistry experiment, can produce toxic gas sometimes, according to different experiments to the internal neutralization liquid of filling of neutralization box 12, the toxic gas that air suction pump 13 produced through air suction hopper 4 of 2 one end installations of breathing pipe absorbs the experiment, avoid being inhaled by the experimenter.
The working principle is as follows: when carrying out the chemistry experiment, can produce toxic gas sometimes, according to different experiments to the internal neutral liquid that packs of neutralization box 12, aspiration pump 13 inhales the poisonous gas that fights 4 that inhales through 2 one end installations of breathing pipe and produce the experiment and absorbs the neutralization, avoid being inhaled by the experimenter, adjustment sliding block 19 is at the distance on support column 14, fix through fastening bolt 16, high definition digtal camera 17 is real-time with chemical reaction process passing signal line with information transfer to the teaching display screen on, it can not observe the reaction condition to have avoided the back row personnel, crashproof leather packing 15 has reduced sliding block 19 and has dropped the collision dynamics that causes the collision, the dwang 6 of 14 top installations of rotation support column, light 7 of dwang 6 bottom installation can provide auxiliary lighting, and is very simple and convenient.
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 (7)
1. The demonstration device for chemical experiment teaching comprises a workbench body (3) and is characterized in that four corners of the bottom of the workbench body (3) are connected with supporting legs (1) through bolts, inner walls of the four supporting legs (1) are connected with the same installation base (11) through bolts, the top of the installation base (11) is connected with an air pump (13) through bolts, the top of the installation base (11) is connected with a neutralization box (12) through bolts, one side of the top of the installation base (11) is connected with the air pump (13) through bolts, one side of the air pump (13) is connected with an air suction pipe (2) through a clamping sleeve, the top of the workbench body (3) is connected with a supporting frame (9) through bolts, the top of the supporting frame (9) is connected with a display platform (8) through bolts, and the top of the workbench body (3) is connected with supporting columns (14) through bolts, and support column (14) outer wall cup joints sliding block (19), and the outer wall of sliding block (19) consequently has protecting sheathing (18) through bolted connection, the inner wall of protecting sheathing (18) has high definition camera (17) through bolted connection, and one side of protecting sheathing (18) is clear glass.
2. The demonstration device for teaching chemical experiments according to claim 1, wherein a feeding pipe (10) is welded on one side of the top of the neutralization tank (12), and the neutralization tank (12) is connected with the air suction pump (13) through a pipeline.
3. The demonstration device for chemical experiment teaching as claimed in claim 1, wherein the bottom of the supporting column (14) is sleeved with an anti-collision leather pad (15), and the anti-collision leather pad (15) is connected with the workbench body (3) in an adhesive manner.
4. The demonstration device for chemical experiment teaching according to claim 1, wherein the top of the supporting column (14) is connected with a rotating rod (6) through a bearing, and the bottom of the rotating rod (6) is connected with a lighting lamp (7) through a bolt.
5. The demonstration device for chemical experiment teaching as claimed in claim 1, wherein a threaded hole is formed in one side of the outer wall of the sliding block (19), and a fastening bolt (16) is connected to the inside of the threaded hole through a thread.
6. The demonstration device for chemical experiment teaching as claimed in claim 4, wherein the illuminating lamp (7), the high definition camera (17) and an external switch of the air pump (13) are electrically connected with an external power supply through conducting wires, and the high definition camera (17) and an external display screen are electrically connected through a signal wire.
7. The demonstration device for the chemical experiment teaching as claimed in claim 1, wherein one side of the top of the workbench body (3) is connected with a support plate (5) through a bolt, one side of the outer wall of the support plate (5) is provided with a rectangular notch, one side of the inner wall of the rectangular notch is connected with an air suction hopper (4) through a bolt, and the air suction hopper (4) is connected with the air suction pipe (2) through a clamping sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921226739.9U CN210324819U (en) | 2019-07-31 | 2019-07-31 | Presentation device is used in chemistry experiment teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921226739.9U CN210324819U (en) | 2019-07-31 | 2019-07-31 | Presentation device is used in chemistry experiment teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210324819U true CN210324819U (en) | 2020-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921226739.9U Expired - Fee Related CN210324819U (en) | 2019-07-31 | 2019-07-31 | Presentation device is used in chemistry experiment teaching |
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| CN (1) | CN210324819U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113240972A (en) * | 2021-05-08 | 2021-08-10 | 上海磐蓝文化传媒有限公司 | Multifunctional teaching device for children training |
-
2019
- 2019-07-31 CN CN201921226739.9U patent/CN210324819U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113240972A (en) * | 2021-05-08 | 2021-08-10 | 上海磐蓝文化传媒有限公司 | Multifunctional teaching device for children training |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200414 Termination date: 20210731 |
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| CF01 | Termination of patent right due to non-payment of annual fee |