CN218573714U - Lectern for chemistry teaching - Google Patents
Lectern for chemistry teaching Download PDFInfo
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- CN218573714U CN218573714U CN202123063345.6U CN202123063345U CN218573714U CN 218573714 U CN218573714 U CN 218573714U CN 202123063345 U CN202123063345 U CN 202123063345U CN 218573714 U CN218573714 U CN 218573714U
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Abstract
The utility model discloses a teacher's desk for chemical teaching, which comprises a lifting part, a display, a supporting platform, a water basin, a flask bracket, a chute and a test tube rack; the bottom of the supporting platform is provided with a lifting part, and a sliding groove is formed in the lifting part; the display, the water containing basin and the test tube rack are arranged on the support platform in a sedimentation manner; the test tube rack is movably arranged in the chute. The utility model has the characteristics of can enlarge the student and observe mr's experimental operation's field of vision etc.
Description
Technical Field
The utility model relates to a lectern for chemistry teaching.
Background
With the continuous progress of modern science and technology, the teaching mode of people is also continuously improved, and the teaching mode is developed towards the direction of being capable of improving efficiency and arousing the interest of students. Therefore, the existing chemical teaching is not only used for teaching the teaching knowledge in books, but also is often used for teaching the teaching on site in a chemical laboratory, so that students can visually react, and the students can more deeply understand the chemical knowledge.
However, in the chemical experiment teaching, the used devices are stacked on the experiment table, such as a display, a water containing basin, a test tube support and the like, and the devices have large volume and large occupied space, so that students can be easily shielded from observing the experiment operation of teachers. Therefore, when the teacher teaches on the laboratory bench, some students are sheltered from by equipment such as display, water containing basin, test tube holder because of the angle of seat, the sight of observing, and the influence is watched the experimental operation of teacher, reduces the interest of study.
Disclosure of Invention
The utility model aims at the defects of the prior art and provides a sealed and reliable teacher's desk for chemical teaching.
In order to realize the above purpose, the following technical scheme is adopted:
a teacher's desk for chemistry teaching comprises a lifting part, a display, a supporting table, a water containing basin, a flask bracket, a chute and a test tube rack; the bottom of the supporting platform is provided with a lifting part, and a sliding groove is formed in the lifting part; the display, the water containing basin and the test tube rack are arranged on the support platform in a sedimentation mode; the test tube rack is movably arranged in the chute.
As a further improvement of the technical proposal, the utility model relates to a teacher desk for chemical teaching, which also comprises a lifting platform; the lifting table is movably arranged on the supporting table; the lifting platform is provided with a plurality of telescopic joints.
As a further improvement of the technical proposal, the teacher desk for chemical teaching of the utility model also comprises a fire extinguisher and a supporting frame; the supporting frame is arranged at the bottom of the supporting platform; the fire extinguisher is arranged on the supporting frame.
As a further improvement of the technical proposal, the teacher desk for chemical teaching of the utility model also comprises a towel and a bracket; the support is arranged at the bottom edge of the support table; the towel is hung on the support.
As a further improvement of the technical proposal, the teacher desk for chemical teaching of the utility model also comprises a control button; and the top edge of the support platform is provided with a control button.
As a further improvement of the technical scheme, the flask support comprises a supporting ring, a supporting rod, a U-shaped part, a limiting nut, an adjusting screw, a supporting rod, an adjusting nut and a limiting piece; one end of the supporting rod penetrates through the adjusting nut to be connected with the limiting piece and is in threaded connection with the adjusting nut; the U-shaped piece is sleeved on the supporting rod; the adjusting screw rod penetrates through the U-shaped piece and is in threaded connection with the U-shaped piece; one end of the supporting rod penetrates through the U-shaped piece, two sides of the U-shaped piece are respectively provided with a limiting nut, and the limiting nuts are in threaded connection with the supporting rod; and the other end of the supporting rod is connected with the supporting ring.
As a further improvement of the technical scheme, the supporting rods comprise a first supporting rod and a second supporting rod; the first supporting rod is connected with the second supporting rod; the second supporting rod is provided with threads and is in threaded connection with the adjusting nut; wherein the diameter of the first leg is smaller than the diameter of the second leg.
As a further improvement of the technical scheme, the test tube rack comprises a first supporting plate, a second supporting plate, a through hole and a vertical plate; the first supporting plate is connected with the second supporting plate through a vertical plate; the first supporting plate is provided with a plurality of through holes.
As a further improvement of the technical scheme, the teacher desk for chemical teaching of the utility model further comprises a display sink, a water containing basin sink, a test tube sink, a display support, a second bearing platform, a third bearing platform and a basin support; the support table is provided with a display sinking groove, a water containing basin sinking groove and a test tube sinking groove; the display sinking groove is provided with a display bracket; the test tube sinking groove is formed in the middle of the test tube, and a second bearing platform is arranged on the inner side edge of the test tube sinking groove and used for supporting a test tube rack; a third bearing platform is arranged at the edge of the inner side of the sink groove of the water containing basin; the basin support is arranged at the bottom of the third bearing platform and used for supporting the water containing basin; the display support is used for mounting a display.
As a further improvement of the technical proposal, the utility model relates to a teacher desk for chemical teaching, which also comprises a first bearing platform, a display cover plate, a test tube cover plate and a water basin cover plate; a first bearing platform is arranged at the edge of the inner side of the display sinking groove; the display cover plate is movably arranged on the first bearing platform; the test tube cover plate is movably arranged on the second bearing platform; the cover plate of the water containing basin is movably arranged on the third bearing platform.
Compared with the progress of the prior art, the utility model: the utility model can enlarge the visual field of the students for observing the test operation of teachers, improve the learning interest of the students and reduce the tired mind caused by the fact that the sight line is blocked; the display, the water containing basin and the test tube rack occupy larger space and are easy to cause sight line shielding, therefore, the utility model installs the display, the water containing basin and the test tube rack on the support platform in a sedimentation manner, and can effectively eliminate the space on the top of the support platform occupied by the display, the water containing basin and the test tube rack; moreover, the supporting platform is supported by the lifting part which can be used for adjusting the height of the supporting platform, so that teachers with different heights can adjust the height of the supporting platform to the height required by the teachers.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic structural view of a teacher's desk for chemical teaching according to the present invention;
FIG. 2 is a schematic structural view of the utility model without a water tray and a test tube rack;
FIG. 3 is a schematic structural view of the present invention with a cover plate installed;
FIG. 4 is a schematic view of a partial structure of the present invention;
FIG. 5 is a schematic structural view of a flask bracket according to the present invention;
FIG. 6 is a schematic view of a partial structure of a flask holder according to the present invention;
fig. 7 is a schematic structural view of the pilot tube rack of the present invention;
FIG. 8 is a schematic view of an extended structure of the lifting platform of the present invention;
names and serial numbers of the components in the figure: 1-lifting part, 2-supporting platform, 3-display sink tank, 31-first supporting platform, 4-display, 41-display bracket, 5-water containing basin, 6-flask bracket, 61-supporting ring, 62-supporting rod, 63-U-shaped piece, 64-limiting nut, 65-adjusting screw rod, 66-first supporting rod, 67-second supporting rod, 68-adjusting nut, 69-limiting piece, 7-sliding groove, 8-lifting platform, 81-telescopic joint, 9-supporting frame, 10-fire extinguisher, 11-control button, 12-towel, 13-bracket, 14-test tube rack, 141-first supporting plate, 142-second supporting plate, 143-through hole, 144-vertical plate, 15-test tube sink tank, 151-second supporting platform, 16-display cover plate, 17-water containing basin sink tank, 171-third supporting platform, 172-display basin bracket, 18-water containing basin cover plate, 19-test tube cover plate.
Detailed Description
In order to make the technical solutions in the present application better understood, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings and embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and all other embodiments obtained by those skilled in the art without making creative efforts shall fall within the protection scope of the present application based on the embodiments in the present application.
Example 1:
as shown in fig. 1 to 8, a lectern for chemistry teaching comprises a lifting part 1, a display 4, a support table 2, a water containing basin 5, a flask support 6, a chute 7 and a test tube rack 14; the bottom of the supporting platform 2 is provided with a lifting part 1, and a sliding groove 7 is formed in the lifting part; the display 4, the water containing basin 5 and the test tube rack 14 are arranged on the support platform 2 in a sedimentation mode; the test tube rack 14 is movably mounted on the chute 7.
The water containing basin 5 is subsided and installed on the supporting platform, and the water in the water containing basin can be prevented from splashing on the supporting platform surface when being impacted.
The flask support 6 is movably connected with the chute 7 and can slide along the chute 7, so that the position of the flask support can be adjusted as required.
The display 4 is used for displaying teaching contents, and is convenient for teachers to check during experiments.
The lifting part can be an electric push rod, a pneumatic cylinder or a hydraulic cylinder and the like. The lifting part is used for adjusting the height of the supporting table, so that the supporting table is highly suitable for the requirements of different heights of teachers.
Example 2:
compared with example 1, the difference is that: an elevating platform 8 is added.
The lifting table 8 is movably arranged on the supporting table 2; the lifting platform 8 is provided with a plurality of telescopic joints 81. The number of expansion joints is usually 1, 2, 3, 4 or 5, etc. The lifting platform is used for supporting the alcohol lamp, and the telescopic joint of the lifting platform can be used for adjusting the height, so that the alcohol lamp can be conveniently supported to be at the required height.
Example 3:
compared with example 1 or 2, the difference is that: a fire extinguisher 10 and a supporting frame 9 are additionally installed.
The supporting frame 9 is arranged at the bottom of the supporting platform 2; said extinguisher 10 is placed on the supporting frame 9.
The fire extinguisher can extinguish the fire source in time when fire happens carelessly in the test process.
Example 4:
compared with any of the embodiments 1 to 3, the difference is that: the towel 12 and the bracket 13 are additionally arranged.
The bracket 13 is arranged at the bottom edge of the support table 2; the towel 12 is suspended from a support 13. The towel can be used for hands of teachers.
Example 5:
compared with any of examples 1 to 4, the difference is that: control buttons 11 are additionally installed.
The top edge of the support platform 2 is provided with a control button 11.
The control buttons can be divided into a start-stop button, a rise button and a fall button.
The start-stop button controls the lifting part to be powered on and powered off.
Raising the button: and when the pressing is performed, the lifting part is controlled to lift upwards to lift the height of the supporting platform, and when the pressing is stopped, the lifting is stopped.
A descending button: when the pressing is performed, the lifting part is controlled to descend downwards to reduce the height of the supporting platform, and when the pressing is stopped, the descending is stopped.
Example 6:
compared with any of examples 1 to 5, the difference is that: one form of construction of the flask holder is given.
As shown in fig. 5 and 6, the flask bracket 6 comprises a supporting ring 61, a supporting rod 62, a U-shaped member 63, a limiting nut 64, an adjusting screw 65, a supporting rod, an adjusting nut 68 and a limiting member 69; one end of the strut penetrates through the adjusting nut 68 to be connected with the limiting piece 69 and is in threaded connection with the adjusting nut 68; the U-shaped piece 63 is sleeved on the supporting rod; the adjusting screw 65 penetrates through the U-shaped part 63 and is in threaded connection with the U-shaped part 63; one end of the supporting rod 62 penetrates through the U-shaped part 63, two sides of the U-shaped part 63 are respectively provided with a limiting nut 64, and the limiting nuts 64 are in threaded connection with the supporting rod 62; and the other end of the support rod 62 is connected to the support ring 61.
The working mode is as follows:
one end of the strut is provided with a limiting piece 69, the other end of the strut penetrates through the sliding chute 7 and the adjusting nut 68 from the bottom of the sliding chute 7 upwards, the adjusting nut 68 is in threaded connection with the strut, the limiting piece 69 is clamped at the bottom of the sliding chute 7, the strut and the limiting piece are fixed on the sliding chute when the adjusting nut 68 is screwed down, the adjusting nut 68 is loosened, and the adjusting nut 68, the strut and the limiting piece 69 can slide relative to the sliding chute 7.
The U-shaped part 63 is movably arranged on the support rod through an adjusting screw rod 65, the adjusting screw rod 65 is screwed into the U-shaped part 63 and supports against the support rod, and therefore the U-shaped part is fixed on the support rod; the adjusting screw 65 is loosened, the adjusting screw 65 is screwed out of the U-shaped part 63, so that the adjusting screw is separated from the support rod, and the U-shaped part 63 can slide relative to the support rod.
The support bar 62 extends through the U-shaped element 63 and two stop nuts 64 are provided on the support bar 62, so that the distance of the support ring 61 relative to the support bar can be adjusted.
The support ring 61 is used to support the flask.
Example 7:
compared with example 6, the differences are: one form of construction of the strut is given.
The struts include a first strut 66 and a second strut 67; the first strut 66 is connected with the second strut 67; the second support rod 67 is provided with threads and is in threaded connection with an adjusting nut 68; wherein the diameter of the first strut 66 is smaller than the diameter of the second strut 67.
After the test is finished, the adjusting nut 68 is screwed to be separated from the second supporting rod 67, the second supporting rod and the limiting piece fall downwards under the action of self gravity, the first supporting rod 66 penetrates through the adjusting nut 66 to fall towards the bottom of the supporting platform, and therefore the height of the flask support is reduced.
Example 8:
compared with any of examples 1 to 7, the difference is that: a structural form of the test tube rack is provided.
As shown in fig. 7, the test tube rack 14 includes a first support plate 141, a second support plate 142, a through hole 143, and a riser 144; the first support plate 141 and the second support plate 142 are connected through a riser 144; the first support plate 141 is provided with a plurality of through holes 143.
Example 9:
compared with any of examples 1 to 8, the difference is that: the display sinking groove 3, the water containing basin sinking groove 17, the test tube sinking groove 15, the display bracket 41, the second bearing platform 151, the third bearing platform 171 and the basin bracket 172 are additionally installed.
The support table 2 is provided with a display sinking groove 3, a water containing basin sinking groove 17 and a test tube sinking groove 15; the display sinking groove 3 is provided with a display bracket 41; a second bearing platform 151 is arranged on the edge of the inner side of the test tube sinking groove 15, and the second bearing platform 151 is used for supporting the test tube rack 14; a third bearing platform 171 is arranged at the edge of the inner side of the water containing basin sink 17; the basin support 172 is arranged at the bottom of the third bearing platform 171 and is used for supporting the water containing basin 5; the display holder 41 is used for mounting the display 4.
Example 10:
compared with example 9, the difference is that: a first bearing platform 31, a display cover plate 16, a test tube cover plate 19 and a water containing basin cover plate 18 are additionally arranged.
A first bearing platform 31 is arranged at the edge of the inner side of the display sinking groove 3; the display cover plate 16 is movably mounted on the first bearing platform 31; the test tube cover plate 19 is movably mounted on the second bearing platform 151; the basin cover 18 is removably mounted to the third platform 171.
When the test is not needed, the corresponding sinking grooves on the supporting platform are filled with the display cover plate 16, the test tube cover plate 19 and the water containing basin cover plate 18, so that the supporting platform is favorable for placing articles.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. The utility model provides a lectern for chemistry teaching which characterized in that: comprises a lifting part (1), a display (4), a supporting table (2), a water containing basin (5), a flask bracket (6), a chute (7) and a test tube rack (14);
the bottom of the supporting table (2) is provided with a lifting part (1) which is provided with a sliding chute (7);
the display (4), the water containing basin (5) and the test tube rack (14) are arranged on the support platform (2) in a sedimentation manner;
the flask bracket (6) is movably arranged on the chute (7);
wherein, the display (4) is used for displaying the teaching content.
2. The lectern for chemical education according to claim 1, wherein: also comprises a lifting platform (8);
the lifting platform (8) is movably arranged on the supporting platform (2);
the lifting platform (8) is provided with a plurality of telescopic joints (81).
3. The lectern for chemical education according to claim 1, wherein: also comprises a fire extinguisher (10) and a supporting frame (9);
the supporting frame (9) is arranged at the bottom of the supporting platform (2);
the extinguisher (10) is placed on the support frame (9).
4. The lectern for chemical education according to claim 1, wherein: also comprises a towel (12) and a bracket (13);
the support (13) is arranged at the bottom edge of the support table (2);
the towel (12) is suspended from the support (13).
5. The lectern for chemical education according to claim 1, wherein: also comprises a control button (11);
the top edge of the support table (2) is provided with a control button (11).
6. The lectern for chemical education according to any one of claims 1 to 5, wherein: the flask support (6) comprises a support ring (61), a support rod (62), a U-shaped piece (63), a limiting nut (64), an adjusting screw rod (65), a support rod, an adjusting nut (68) and a limiting piece (69);
one end of the support rod penetrates through the adjusting nut (68) to be connected with the limiting piece (69) and is in threaded connection with the adjusting nut (68);
the U-shaped piece (63) is sleeved on the supporting rod;
the adjusting screw rod (65) penetrates through the U-shaped part (63) and is in threaded connection with the U-shaped part (63);
one end of the supporting rod (62) penetrates through the U-shaped part (63), two sides of the U-shaped part (63) are respectively provided with a limiting nut (64), and the limiting nuts (64) are in threaded connection with the supporting rod (62); and the other end of the support rod (62) is connected with the support ring (61).
7. The lectern for chemical education according to claim 6, wherein: the struts comprise a first strut (66) and a second strut (67);
the first strut (66) is connected with the second strut (67);
the second supporting rod (67) is provided with threads and is in threaded connection with the adjusting nut (68);
wherein the diameter of the first strut (66) is smaller than the diameter of the second strut (67).
8. The lectern for chemical education according to claim 6, wherein: the test tube rack (14) comprises a first support plate (141), a second support plate (142), through holes (143) and a vertical plate (144);
the first supporting plate (141) is connected with the second supporting plate (142) through a vertical plate (144);
the first supporting plate (141) is provided with a plurality of through holes (143).
9. The lectern for chemical education according to claim 6, wherein: the device also comprises a display sinking groove (3), a water containing basin sinking groove (17), a test tube sinking groove (15), a display bracket (41), a second bearing platform (151), a third bearing platform (171) and a basin bracket (172);
the support table (2) is provided with a display sinking groove (3), a water containing basin sinking groove (17) and a test tube sinking groove (15);
the display sinking groove (3) is provided with a display bracket (41);
wherein, the edge of the inner side of the test tube sinking groove (15) is provided with a second bearing platform (151), and the second bearing platform (151) is used for supporting the test tube rack (14);
a third bearing platform (171) is arranged at the edge of the inner side of the water containing basin sink groove (17);
the basin support (172) is arranged at the bottom of the third bearing platform (171) and used for supporting the water containing basin (5);
the display bracket (41) is used for mounting a display (4).
10. The lectern for chemical education according to claim 9, wherein: the test tube test device also comprises a first bearing platform (31), a display cover plate (16), a test tube cover plate (19) and a water containing basin cover plate (18);
a first bearing platform (31) is arranged at the edge of the inner side of the display sinking groove (3);
the display cover plate (16) is movably arranged on the first bearing platform (31);
the test tube cover plate (19) is movably mounted on the second bearing platform (151);
the water containing basin cover plate (18) is movably arranged on the third bearing platform (171).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123063345.6U CN218573714U (en) | 2021-12-08 | 2021-12-08 | Lectern for chemistry teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123063345.6U CN218573714U (en) | 2021-12-08 | 2021-12-08 | Lectern for chemistry teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218573714U true CN218573714U (en) | 2023-03-07 |
Family
ID=85358069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123063345.6U Active CN218573714U (en) | 2021-12-08 | 2021-12-08 | Lectern for chemistry teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218573714U (en) |
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2021
- 2021-12-08 CN CN202123063345.6U patent/CN218573714U/en active Active
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