CN213854655U - Thermal expansion experiment teaching aid - Google Patents
Thermal expansion experiment teaching aid Download PDFInfo
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- CN213854655U CN213854655U CN202022307174.6U CN202022307174U CN213854655U CN 213854655 U CN213854655 U CN 213854655U CN 202022307174 U CN202022307174 U CN 202022307174U CN 213854655 U CN213854655 U CN 213854655U
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- 238000002474 experimental method Methods 0.000 title claims abstract description 68
- 239000011521 glass Substances 0.000 claims description 58
- 230000005611 electricity Effects 0.000 claims description 18
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 16
- 230000005389 magnetism Effects 0.000 claims description 13
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 8
- 239000001569 carbon dioxide Substances 0.000 claims description 8
- 238000002955 isolation Methods 0.000 claims description 6
- 238000004880 explosion Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a thermal energy experiment teaching aid, including explosion-proof isolating device, instrument save set, urgent extinguishing device, experiment workstation and operating button. The utility model belongs to the technical field of the experiment teaching aid, specifically indicate a thermal energy experiment teaching aid is equipped with and keeps apart explosion-proof equipment, is applicable to the sudden uncontrolled experimental material in inflation experimental stage, guarantees that the experimenter is not hurt in observing the explosion experimental stage, and instrument save set reduces the required time that consumes of operating personnel transport equipment. The utility model discloses effectively solved current thermal energy experiment teaching aid availability factor in the existing market low, and self structure is complicated, maintains comparatively inconvenient problem.
Description
Technical Field
The utility model belongs to the technical field of the experiment teaching aid, specifically indicate a thermal energy experiment teaching aid.
Background
In the teaching stage, the students do not know the phenomenon of expansion with heat and contraction with cold deeply, and need to demonstrate through experiments, so that the students have deeper knowledge of the phenomenon. Some present thermal expansion rate demonstration teaching aids, the volume is great, is difficult to carry, must use this kind of heating equipment again, otherwise can not make the student go deep into to know expend with heat and contract with cold phenomenon and thermal expansion rate, the thermal expansion experiment has certain dangerous type in addition, and the unknown harm that produces during the experiment and explosion test need the experimenter to make corresponding technical preparation, reduce the harmfulness, for example prepare fire extinguisher, protective clothing etc. have increased the input and the cost of experiment.
SUMMERY OF THE UTILITY MODEL
To the above situation, for overcoming prior art's defect, the utility model provides a thermal energy experiment teaching aid, be equipped with and keep apart explosion-proof equipment, be applicable to the sudden uncontrolled experimental material in inflation experimental stage, guarantee that the experimenter is not hurt in the observation explosion experimental stage, instrument save set reduces the time that operating personnel transport equipment need consume, reduces experimental equipment speed, and emergency fire extinguishing device provides the life-span that fire extinguishing device save method improves fire extinguishing device, for dealing with this kind of situation of suddenly lighting a fire, reduces the harm that operating personnel can receive, the utility model discloses effectively solved current thermal energy experiment teaching aid availability factor in the existing market low, and self structure is complicated, maintains comparatively inconvenient problem.
The utility model adopts the following technical scheme: the utility model relates to a thermal expansion experiment teaching aid, including explosion-proof isolation device, instrument save set, emergency fire extinguishing device, laboratory bench and operating button, explosion-proof isolation device locates the inside right side of laboratory bench, instrument save set locates the inside left side top of laboratory bench, emergency fire extinguishing device locates the inside left side below of laboratory bench, operating button locates on the lateral wall of laboratory bench; the explosion-proof isolating device comprises an explosion-proof glass cover, an upper electromagnet, a lower electromagnet, a glass moving groove, a glass cover clamping block and a glass cover clamping groove, the lower electromagnet is arranged on the upper surface of the experiment workbench, the glass cover clamping block is arranged below the lower electromagnet, one end of the explosion-proof glass cover is connected with the glass cover clamping block, the upper electromagnet is connected with the other end of the explosion-proof glass cover, the explosion-proof glass cover is arranged in an arc shape, the electromagnet at the upper end is arranged above the upper wall of the experiment workbench, the glass moving groove is arranged on the outer wall of the explosion-proof glass cover and is arc-shaped, the diameter of the glass moving groove is larger than that of the explosion-proof glass cover, the glass cover clamping groove is formed in the outer wall of the glass moving groove, and the diameter of the glass cover clamping groove is larger than that of the glass moving groove.
Furthermore, the instrument storage device comprises a horizontal shielding device and an instrument storage device, the horizontal shielding device is arranged on the upper wall of the experiment workbench, and the instrument storage device is arranged below the horizontal shielding device; the horizontal shielding device comprises a plane cover plate, a pulling handle, a cover plate clamping groove, a parallel moving baffle, a baffle clamping block, a baffle sliding groove and a horizontal pushing cylinder, wherein the cover plate clamping groove is formed in the upper wall of the experiment workbench, the plane cover plate is arranged on the cover plate clamping groove, the pulling handle is arranged on the plane cover plate, the parallel moving baffle is arranged below the plane cover plate, the baffle clamping block is arranged on the side wall of the parallel moving baffle, the baffle sliding groove is arranged on the outer wall of the baffle clamping block, the baffle clamping block is arranged in the baffle sliding groove in a sliding manner, and the output end of the horizontal pushing cylinder is connected with the parallel moving baffle.
Further, the instrument storage device comprises an instrument storage box, an instrument storage table, a vertical pushing cylinder and a storage table clamping groove, the instrument storage box is arranged below the parallel moving baffle, the vertical pushing cylinder is arranged on the bottom wall of the instrument storage box, the storage table clamping groove is arranged on the inner side wall of the instrument storage box, the instrument storage table is arranged on the output end of the vertical pushing cylinder, and the instrument storage table is arranged in the storage table clamping groove in a clamping sliding mode.
Further, the emergency fire extinguishing device comprises a side wall rotating baffle, a baffle rotating groove, a side wall rotating shaft, a fire extinguisher placing groove, a fire extinguisher pushing cylinder, a carbon dioxide fire extinguisher, a fire extinguisher placing cage and a small pulley, the side wall rotating shaft is clamped and rotatably arranged in the side wall of the experiment workbench, the side wall rotating baffle is arranged on the side wall rotating shaft, the baffle rotating groove is arranged in the experiment workbench, the upper end of the side wall rotating baffle is connected with the baffle rotating groove, the fire extinguisher placing groove is arranged in the experiment workbench, the lower end of the side wall rotating baffle is connected with the fire extinguisher placing groove, the fire extinguisher push cylinder is arranged in the fire extinguisher placing groove, the fire extinguisher placing cage is arranged on the output end of the fire extinguisher push cylinder, the carbon dioxide fire extinguisher is arranged in the fire extinguisher placing cage, and the small pulley is connected with the bottom wall of the fire extinguisher placing cage.
Further, the experiment workstation includes that district is placed to electric cabinet, small-size air pump, small-size motor and shank, the inside below of experiment workstation is located to the electric cabinet, small-size air pump is located in the regulator cubicle, small-size motor locates one side of small-size air pump, the antetheca below of experiment workstation is located in the district is placed to the shank.
Further, operating button includes that the power opens and stops button, air pump open and stop button, magnetism inhale button, instrument level show button, the perpendicular show button of instrument and the button of putting out a fire, the power opens and stops on the lateral wall of button experiment workstation, the air pump opens and stops the button and locates the power and open the below of stopping the button, magnetism is inhaled the button and is located the air pump and open the below of stopping the button, the below of magnetism is inhaled the button is located to instrument level show button, the perpendicular show button of instrument with locate the below of the horizontal show button of instrument, the below of the perpendicular show button of instrument is located to the button of putting out a fire.
Further, the power opens and stops the button and is connected with the small-size motor electricity, the air pump opens and stops the button and is connected with small-size air pump electricity, magnetism is inhaled the button and is connected with upper end electro-magnet and lower extreme electro-magnet electricity respectively, instrument level show button is connected with horizontal promotion cylinder electricity, the perpendicular show button of instrument is connected with perpendicular promotion cylinder electricity, the button of putting out a fire is connected with fire extinguisher promotion cylinder electricity, the small-size motor is connected with upper end electro-magnet and lower extreme electro-magnet electricity respectively, small-size air pump respectively with horizontal promotion cylinder, perpendicular promotion cylinder and fire extinguisher promotion cylinder gas connection.
Further, the pulling handles are provided with two groups, the cover plate clamping grooves are provided with two groups, the baffle plate clamping blocks are provided with two groups, the baffle plate sliding grooves are provided with two groups, and the horizontal pushing cylinder is provided with two groups.
Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: this scheme thermal energy experiment teaching aid is equipped with and keeps apart explosion-proof equipment, is applicable to the sudden uncontrolled experimental materials of inflation experimental stage, guarantees that the experimenter is not hurt in observing the explosion experimental stage, and instrument save set reduces the time that operating personnel transport equipment need consume, reduces experimental equipment speed, and urgent extinguishing device provides the life-span that extinguishing device save method improves extinguishing device, for dealing with this kind of situation of suddenly starting a fire, reduces the harm that operating personnel can receive, the utility model discloses effectively solved current thermal energy experiment teaching aid availability factor on the existing market low, and self structure is complicated, maintains comparatively inconvenient problem.
Drawings
Fig. 1 is a front sectional view of a thermal expansion experiment teaching aid of the present invention;
fig. 2 is a perspective view of the thermal expansion experiment teaching aid of the present invention.
Wherein, 1, an explosion-proof isolating device, 2, an instrument storing device, 3, an emergency fire extinguishing device, 4, an experimental workbench, 5, an operating button, 6, an explosion-proof glass cover, 7, an upper electromagnet, 8, a lower electromagnet, 9, a glass moving groove, 10, a glass cover clamping block, 11, a glass cover clamping groove, 12, a horizontal shielding device, 13, an instrument storing device, 14, a plane cover plate, 15, a pulling handle, 16, a cover plate clamping groove, 17, a parallel moving baffle, 18, a baffle clamping block, 19, a baffle sliding groove, 20, a horizontal pushing cylinder, 21, an instrument storing box, 22, an instrument placing table, 23, a vertical pushing cylinder, 24, a placing table clamping groove, 25, a side wall rotating baffle, 26, a baffle rotating groove, 27, a side wall rotating shaft, 28, a fire extinguisher placing groove, 29, a fire extinguisher pushing cylinder, 30 and carbon dioxide, 31. cage is placed to the fire extinguisher, 32, little pulley, 33, regulator cubicle, 34, small-size air pump, 35, small motor, 36, the district is placed to the shank, 37, power start-stop button, 38, air pump start-stop button, 39, magnetism button, 40, instrument horizontal display button, 41, the perpendicular show button of instrument, 42, the button of putting out a fire.
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-2, the utility model relates to a thermal expansion experiment teaching aid, which comprises an explosion-proof isolation device 1, an instrument storage device 2, an emergency fire extinguishing device 3, an experiment workbench 4 and an operation button 5, wherein the explosion-proof isolation device 1 is arranged at the right side inside the experiment workbench 4, the instrument storage device 2 is arranged above the left side inside the experiment workbench 4, the emergency fire extinguishing device 3 is arranged below the left side inside the experiment workbench 4, and the operation button 5 is arranged on the side wall of the experiment workbench 4; the explosion-proof isolating device 1 comprises an explosion-proof glass cover 6, an upper end electromagnet 7, a lower end electromagnet 8, a glass moving groove 9, a glass cover clamping block 10 and a glass cover clamping groove 11, wherein the lower end electromagnet 8 is arranged on the upper surface of the experiment workbench 4, the glass cover clamping block 10 is arranged below the lower end electromagnet 8, one end of the explosion-proof glass cover 6 is connected with the glass cover clamping block 10, the upper end electromagnet 7 is connected with the other end of the explosion-proof glass cover 6, the explosion-proof glass cover 6 is arranged in an arc shape, the upper end electromagnet 7 is arranged above the upper wall of the experiment workbench 4, the glass moving groove 9 is arranged on the outer wall of the explosion-proof glass cover 6, the glass moving groove 9 is arranged in an arc shape, the diameter of the glass moving groove 9 is larger than that of the explosion-proof glass cover 6, the glass cover clamping groove 11 is arranged on the outer wall of the glass moving groove 9, the diameter of the glass cover engaging groove 11 is larger than that of the glass moving groove 9.
The instrument storage device 2 comprises a horizontal shielding device 12 and an instrument storage device 13, the horizontal shielding device 12 is arranged on the upper wall of the experiment workbench 4, and the instrument storage device 13 is arranged below the horizontal shielding device 12; the horizontal shielding device 12 comprises a flat cover plate 14, a pulling handle 15, a cover plate clamping groove 16, a parallel moving baffle 17, a baffle clamping block 18, a baffle sliding groove 19 and a horizontal pushing cylinder 20, wherein the cover plate clamping groove 16 is arranged on the upper wall of the experiment workbench 4, the flat cover plate 14 is arranged on the cover plate clamping groove 16, the pulling handle 15 is arranged on the flat cover plate 14, the parallel moving baffle 17 is arranged below the flat cover plate 14, the baffle clamping block 18 is arranged on the side wall of the parallel moving baffle 17, the baffle sliding groove 19 is arranged on the outer wall of the baffle clamping block 18, the baffle clamping block 18 is arranged in the baffle sliding groove 19 in a clamping and sliding manner, and the output end of the horizontal pushing cylinder 20 is connected with the parallel moving baffle 17.
The instrument storage device 13 includes an instrument storage box 21, an instrument placement table 22, a vertical pushing cylinder 23 and a placement table engaging groove 24, the instrument storage box 21 is disposed below the parallel moving baffle 17, the vertical pushing cylinder 23 is disposed on the bottom wall of the instrument storage box 21, the placement table engaging groove 24 is disposed on the inner side wall of the instrument storage box 21, the instrument placement table 22 is disposed on the output end of the vertical pushing cylinder 23, and the instrument placement table 22 is slidably engaged with the placement table engaging groove 24.
The emergency fire extinguishing device 3 comprises a side wall rotating baffle 25, a baffle rotating groove 26, a side wall rotating shaft 27, a fire extinguisher placing groove 28, a fire extinguisher pushing cylinder 29, a carbon dioxide fire extinguisher 30, a fire extinguisher placing cage 31 and a small pulley 32, wherein the side wall rotating shaft 27 is clamped and rotatably arranged in the side wall of the experiment workbench 4, the side wall rotating baffle 25 is arranged on the side wall rotating shaft 27, the baffle rotating groove 26 is arranged in the experiment workbench 4, the upper end of the side wall rotating baffle 25 is connected with the baffle rotating groove 26, the fire extinguisher placing groove 28 is arranged in the experiment workbench 4, the lower end of the side wall rotating baffle 25 is connected with the fire extinguisher placing groove 28, the fire extinguisher pushing cylinder 29 is arranged in the fire extinguisher placing groove 28, the fire extinguisher placing cage 31 is arranged at the output end of the fire extinguisher pushing cylinder 29, and the carbon dioxide fire extinguisher 30 is arranged in the, the small pulley 32 is connected with the bottom wall of the fire extinguisher placing cage 31.
The experiment workbench 4 comprises an electrical cabinet 33, a small air pump 34, a small motor 35 and a leg placing area 36, the electrical cabinet is arranged below the inside of the experiment workbench 4, the small air pump 34 is arranged in the electrical cabinet 33, the small motor 35 is arranged on one side of the small air pump 34, and the leg placing area 36 is arranged below the front wall of the experiment workbench 4.
The power opens and stops button 37 and is connected with small-size motor 35 electricity, air pump opens and stops button 38 and is connected with small-size air pump 34 electricity, magnetism is inhaled button 39 and is connected with upper end electro-magnet 7 and lower extreme electro-magnet 8 electricity respectively, instrument level show button 40 is connected with horizontal promotion cylinder 20 electricity, the perpendicular show button 41 of instrument is connected with perpendicular promotion cylinder 23 electricity, the button 42 of putting out a fire is connected with fire extinguisher promotion cylinder 29 electricity, small-size motor 35 is connected with upper end electro-magnet 7 and lower extreme electro-magnet 8 electricity respectively, small-size air pump 34 promotes cylinder 20, perpendicular promotion cylinder 23 and fire extinguisher promotion cylinder 29 gas connection with the level respectively.
Two groups of pulling handles 15 are provided, two groups of cover plate clamping grooves 16 are provided, two groups of baffle plate clamping blocks 18 are provided, two groups of baffle plate sliding grooves 19 are provided, and two groups of horizontal pushing cylinders 20 are provided.
When the instrument is used, a user presses the power supply start-stop button 37 and the air pump start-stop button 38, the small air pump 34 and the small motor 35 start to work, when the user needs to use the instrument, the user operates the pulling handle 15 to pull the planar cover plate 14 up and separate from the cover plate clamping groove 16, the user presses the instrument horizontal display button 40, the horizontal pushing air cylinder 20 pushes the parallel moving baffle plate 17 to control the baffle plate clamping block 18 to move in the baffle plate sliding groove 19, the user presses the instrument vertical display button 41 again, the vertical pushing air cylinder 23 pushes the instrument placing table 22 to move upwards along the placing table clamping groove 24, and the instrument can be taken out; when a user needs to observe an explosion test during operation, the user puts the test material being reflected between the lower end electromagnet 8 and the upper end electromagnet 7, pulls the upper end electromagnet 7 to move the explosion-proof glass cover 6 out of the glass moving groove 9, attaches the upper end electromagnet 7 and the lower end electromagnet 8, presses the magnetic attraction button 39, and the electromagnets are electrified and attracted; when the test is not controlled, a user presses the fire extinguishing button 42, the fire extinguisher push cylinder 29 pushes the fire extinguisher placing cage 31 to move along the direction of the fire extinguisher placing groove 28, the fire extinguisher placing cage 31 pushes the lower end of the side wall rotating baffle 25, the side wall rotating baffle 25 rotates along the side wall rotating shaft 27, the upper end of the side wall rotating baffle 25 moves in the baffle rotating groove 26, the carbon dioxide fire extinguisher 30 appears from the test workbench 4, and the user takes out the fire extinguisher to extinguish the fire; when the user need not before during the function, press the button of operating before once more, all instruments resume initial position, above just, the utility model discloses holistic work flow, repeat this step when using next time can.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (8)
1. A thermal expansion experiment teaching aid is characterized in that: the device comprises an explosion-proof isolation device, an instrument storage device, an emergency fire extinguishing device, an experiment workbench and an operation button, wherein the explosion-proof isolation device is arranged on the right side inside the experiment workbench; the explosion-proof isolating device comprises an explosion-proof glass cover, an upper electromagnet, a lower electromagnet, a glass moving groove, a glass cover clamping block and a glass cover clamping groove, the lower electromagnet is arranged on the upper surface of the experiment workbench, the glass cover clamping block is arranged below the lower electromagnet, one end of the explosion-proof glass cover is connected with the glass cover clamping block, the upper electromagnet is connected with the other end of the explosion-proof glass cover, the explosion-proof glass cover is arranged in an arc shape, the electromagnet at the upper end is arranged above the upper wall of the experiment workbench, the glass moving groove is arranged on the outer wall of the explosion-proof glass cover and is arc-shaped, the diameter of the glass moving groove is larger than that of the explosion-proof glass cover, the glass cover clamping groove is formed in the outer wall of the glass moving groove, and the diameter of the glass cover clamping groove is larger than that of the glass moving groove.
2. A thermal expansion experiment teaching aid according to claim 1, wherein: the instrument storage device comprises a horizontal shielding device and an instrument storage device, the horizontal shielding device is arranged on the upper wall of the experiment workbench, and the instrument storage device is arranged below the horizontal shielding device; the horizontal shielding device comprises a plane cover plate, a pulling handle, a cover plate clamping groove, a parallel moving baffle, a baffle clamping block, a baffle sliding groove and a horizontal pushing cylinder, wherein the cover plate clamping groove is formed in the upper wall of the experiment workbench, the plane cover plate is arranged on the cover plate clamping groove, the pulling handle is arranged on the plane cover plate, the parallel moving baffle is arranged below the plane cover plate, the baffle clamping block is arranged on the side wall of the parallel moving baffle, the baffle sliding groove is arranged on the outer wall of the baffle clamping block, the baffle clamping block is arranged in the baffle sliding groove in a sliding manner, and the output end of the horizontal pushing cylinder is connected with the parallel moving baffle.
3. A thermal expansion experiment teaching aid according to claim 2, wherein: the instrument storage device comprises an instrument storage box, an instrument placing table, a vertical pushing cylinder and a placing table clamping groove, wherein the instrument storage box is arranged below the parallel moving baffle, the vertical pushing cylinder is arranged on the bottom wall of the instrument storage box, the placing table clamping groove is arranged on the inner side wall of the instrument storage box, the instrument placing table is arranged on the output end of the vertical pushing cylinder, and the instrument placing table is arranged in the placing table clamping groove in a sliding mode.
4. A thermal expansion experiment teaching aid according to claim 3, wherein: the emergency fire extinguishing device comprises a side wall rotating baffle, a baffle rotating groove, a side wall rotating shaft, a fire extinguisher placing groove, a fire extinguisher pushing cylinder, a carbon dioxide fire extinguisher, a fire extinguisher placing cage and a pulley, wherein the side wall rotating shaft is clamped and rotated in the side wall of the experiment workbench, the side wall rotating baffle is arranged on the side wall rotating shaft, the baffle rotating groove is arranged in the experiment workbench, the upper end of the side wall rotating baffle is connected with the baffle rotating groove, the fire extinguisher placing groove is arranged in the experiment workbench, the lower end of the side wall rotating baffle is connected with the fire extinguisher placing groove, the fire extinguisher pushing cylinder is arranged in the fire extinguisher placing groove, the fire extinguisher placing cage is arranged on the output end of the fire extinguisher pushing cylinder, the carbon dioxide fire extinguisher is arranged in the fire extinguisher placing cage, and the pulley is connected with the bottom wall of the fire extinguisher placing cage.
5. A thermal expansion experiment teaching aid according to claim 4, wherein: the experiment workstation includes that district is placed to electric cabinet, small-size air pump, small-size motor and shank, the inside below of experiment workstation is located to the regulator cubicle, small-size air pump is located in the regulator cubicle, small-size motor is located in the regulator cubicle, one side of small-size air pump is located to small-size motor, the shank is placed the district and is located the antetheca below of experiment workstation.
6. A thermal expansion experiment teaching aid according to claim 5, wherein: the operating button includes that the power opens and stops button, air pump open and stop button, magnetism inhale button, instrument level show button, the perpendicular show button of instrument and the button of putting out a fire, the power opens and stops on the lateral wall of button experiment workstation, the air pump opens and stops the button and locates the power and open the below of stopping the button, magnetism is inhaled the button and is located the air pump and open the below of stopping the button, the below of magnetism is inhaled to instrument level show button is located, the perpendicular show button of instrument with locate the below of the horizontal show button of instrument, the below of the perpendicular show button of instrument is located to the button of putting out a fire.
7. A thermal expansion experiment teaching aid according to claim 6, wherein: the utility model discloses a fire extinguisher, including power start-stop button, air pump start-stop button, magnetism inhale the button and be connected with upper end electro-magnet and lower extreme electro-magnet respectively, instrument level show button is connected with horizontal push cylinder electricity, instrument perpendicular show button is connected with perpendicular push cylinder electricity, the button of putting out a fire is connected with fire extinguisher push cylinder electricity, the micro-machine is connected with upper end electro-magnet and lower extreme electro-magnet electricity respectively, small-size air pump is connected with horizontal push cylinder, perpendicular push cylinder and fire extinguisher push cylinder gas respectively.
8. A thermal expansion experiment teaching aid according to claim 7, wherein: the pulling handle is provided with two groups, the cover plate clamping grooves are provided with two groups, the baffle clamping blocks are provided with two groups, the baffle sliding grooves are provided with two groups, and the horizontal pushing cylinder is provided with two groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022307174.6U CN213854655U (en) | 2020-10-16 | 2020-10-16 | Thermal expansion experiment teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022307174.6U CN213854655U (en) | 2020-10-16 | 2020-10-16 | Thermal expansion experiment teaching aid |
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| Publication Number | Publication Date |
|---|---|
| CN213854655U true CN213854655U (en) | 2021-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022307174.6U Expired - Fee Related CN213854655U (en) | 2020-10-16 | 2020-10-16 | Thermal expansion experiment teaching aid |
Country Status (1)
| Country | Link |
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| CN (1) | CN213854655U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114783250A (en) * | 2022-04-20 | 2022-07-22 | 伊犁师范大学 | Physical experiment teaching equipment |
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2020
- 2020-10-16 CN CN202022307174.6U patent/CN213854655U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114783250A (en) * | 2022-04-20 | 2022-07-22 | 伊犁师范大学 | Physical experiment teaching equipment |
| CN114783250B (en) * | 2022-04-20 | 2023-06-06 | 伊犁师范大学 | Physical experiment teaching equipment |
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Granted publication date: 20210803 |