CN213534308U - Physics teaching aid convenient to teacher carries and draws - Google Patents
Physics teaching aid convenient to teacher carries and draws Download PDFInfo
- Publication number
- CN213534308U CN213534308U CN202022704889.5U CN202022704889U CN213534308U CN 213534308 U CN213534308 U CN 213534308U CN 202022704889 U CN202022704889 U CN 202022704889U CN 213534308 U CN213534308 U CN 213534308U
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- supporting rod
- teaching aid
- fixedly connected
- wall
- fixed cover
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- 239000000523 sample Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 239000012805 animal sample Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012472 biological sample Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a physics teaching aid convenient to teacher carries and draws relates to teaching aid technical field. The physical teaching aid convenient for teachers to carry and draw comprises a supporting rod, wherein a rotating shaft is rotatably connected in front of the supporting rod, a limiting block is fixedly connected to the circumferential surface of the rotating shaft, a second supporting rod is rotatably connected to the circumferential surface of the rotating shaft in a penetrating manner, a containing groove is formed in the left surface of the supporting rod, a sliding groove is recessed in the front of the supporting rod, scales are formed in the front of the supporting rod, and a needle point is fixedly connected to the lower; a fixing device is arranged on the left side of the second supporting rod; sliding tray inner wall is provided with the extension device, and fixed cover right side fixed connection is on two left sides of bracing piece, and fixed cover left side set up threaded hole, and fixed cover threaded hole inner wall threaded connection has the screw thread post, and screw thread post left side fixedly connected with turn button can make the teacher accomplish the drawing of multiple pattern through this teaching aid, need not to carry out the replacement of multiple teaching aid for the speed of drawing, great improvement teaching efficiency.
Description
Technical Field
The utility model relates to a teaching aid technical field specifically is a physics teaching aid convenient to teacher carries and draws.
Background
The teaching aid is in order to propagate science and technology, educate the material object of people as the purpose, is complete science and technology media, is indispensable equipment among teenagers' science and technology activity, and the teaching aid that uses has material object teaching aid and replica teaching aid among the science and technology activity, specifically has the sample or the sample that come from the nature: such as biological samples, mineral samples, fossil, rock and rare animal samples used in scientific and technological education activities, and human anatomy models, models used in sailing, sea and vehicle models, and the like.
On physics class, often there is the condition of drawing the pattern to appear, often needs the teacher to carry multiple instrument to use when nevertheless drawing different patterns as required, can make teaching efficiency reduce because more time of the change waste of instrument when drawing the pattern, consequently urgently need a physics teaching aid that the teacher of being convenient for carried and draws.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a physics teaching aid convenient to teacher carries and draws to solve the problem of proposing in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a physical teaching aid convenient for teachers to carry and draw comprises a supporting rod, wherein a rotating shaft is rotatably connected to the front of the supporting rod, a limiting block is fixedly connected to the circumferential surface of the rotating shaft, a second supporting rod is rotatably connected to the circumferential surface of the rotating shaft in a penetrating manner, a containing groove is formed in the left surface of the supporting rod, a sliding groove is recessed in the front of the supporting rod, scales are formed in the front of the supporting rod, and a needle point is fixedly connected to the lower surface of the supporting rod; a fixing device is arranged on the left side of the second supporting rod; and an extension device is arranged on the inner wall of the sliding groove.
Preferably, fixing device is including fixed cover, fixed cover is semicircle annular structure, fixed cover right side fixed connection is at two left sides of bracing piece, fixed cover left side set up threaded hole, fixed cover threaded hole inner wall threaded connection has the screw thread post, screw thread post left side fixedly connected with rotation button.
Preferably, the extension device comprises an extension rod, the extension rod is provided with scales in front, a sliding outer groove is formed in the rear of the extension rod, a second limiting block is fixedly connected to the left inner wall of the sliding outer groove, and the second supporting rod and the accommodating groove are equal in width and height.
Preferably, the screw thread post right side fixedly connected with one deck rubber pad, two surperficial sliding connection of stopper are at the right inner wall of sliding tray, extension rod left side sliding connection is at the inner wall of sliding tray left side.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the physical teaching aid convenient for teachers to carry and draw, when the teachers need to draw circular patterns, the teachers pull out the second support rod to a proper angle by hands to enable the second support rod to rotate on the circumferential surface of the rotating shaft, chalk is placed on the inner wall of the fixed sleeve, the rotating button is rotated to drive the threaded column fixedly connected with the second support rod to rotate in the threaded hole of the fixed sleeve, the chalk on the inner wall of the fixed sleeve is fixed, the circular patterns can be drawn at the moment, the second support rod is pushed into the inner wall of the accommodating groove after use, when the straight lines need to be drawn, the straight lines with higher accuracy can be drawn according to the scales arranged in front of the support rods, when the length of the support rods is not enough, the extension rods are pulled downwards to enable the second limit blocks to slide on the inner wall of the sliding groove, the scales of the support rods are extended, the teachers can draw longer, however, when different patterns are drawn according to needs, the teacher is often required to carry multiple tools for use, more time can be wasted due to the replacement of the tools when the patterns are drawn, the teaching efficiency is reduced, the teacher can finish the drawing of multiple patterns through the teaching aid through the design, the replacement of multiple teaching aids is not needed, the drawing speed is accelerated, and the teaching efficiency is greatly improved.
(2) This physical teaching aid convenient to teacher carries and draws makes two whole receipts inslot walls that sink of bracing piece through the rotation of pivot, makes this teaching aid similar rod shape when not using, through the aforesaid design, great reduction the space utilization of teaching aid to can make the teacher need not carry multiple teaching aid in order to supply the teaching to use, it is more convenient to carry.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the fixing device of the present invention;
fig. 3 is a schematic rear view of the present invention;
fig. 4 is a schematic structural diagram of the extension device of the present invention.
In the figure: the device comprises a support rod 1, a rotating shaft 11, a limit block 12, a second support rod 13, a containing groove 14, a sliding groove 15, a needle point 16, a fixing device 2, a fixing sleeve 21, a threaded column 22, a rotating button 23, an extending device 3, an extending rod 31, a sliding outer groove 32 and a second limit block 33.
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, 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.
Referring to fig. 1-4, the present invention provides a technical solution: a physical teaching aid convenient for teachers to carry and draw pictures comprises a supporting rod 1, wherein a rotating shaft 11 is rotatably connected in front of the supporting rod 1, a limiting block 12 is fixedly connected on the circumferential surface of the rotating shaft 11, a supporting rod II 13 is rotatably connected on the circumferential surface of the rotating shaft 11 in a penetrating manner, a containing groove 14 is formed in the left surface of the supporting rod 1, a sliding groove 15 is recessed in the front of the supporting rod 1, scales are formed in the front of the supporting rod 1, and a needle point 16 is fixedly connected on the; the fixing device 2 is arranged on the left side of the second support rod 13; the inner wall of the sliding groove 15 is provided with an extending device 3, the fixing device 2 comprises a fixing sleeve 21, the fixing sleeve 21 is of a semicircular annular structure, the right side of the fixing sleeve 21 is fixedly connected to the left side of the second supporting rod 13, the left side of the fixing sleeve 21 is provided with a threaded hole, the inner wall of the threaded hole of the fixing sleeve 21 is in threaded connection with a threaded column 22, the left side of the threaded column 22 is fixedly connected with a rotating button 23, the extending device 3 comprises an extending rod 31, the front side of the extending rod 31 is provided with scales, the rear side of the extending rod 31 is provided with a sliding outer groove 32, the left inner wall of the sliding outer groove 32 is fixedly connected with a second limiting block 33, the width and the height of the second supporting rod 13 are equal to those of the accommodating groove 14, the right side of the threaded column 22 is fixedly connected with a layer of rubber pad, the surface of the second limiting block 33 is in sliding connection with the right inner wall of the sliding groove, the chalk is placed on the inner wall of the fixing sleeve 21, the rotating button 23 is rotated to drive the threaded column 22 fixedly connected with the rotating button to rotate in the threaded hole of the fixing sleeve 21, the chalk on the inner wall of the fixing sleeve 21 is fixed, a circular pattern can be drawn at the moment, the supporting rod II 13 is pushed into the inner wall of the accommodating groove 14 after the chalk is used, when a straight line needs to be drawn, the straight line with higher accuracy can be drawn according to the scales arranged in front of the supporting rod 1, when the length of the supporting rod 1 is insufficient, the extension rod 31 is pulled downwards to enable the limiting block II 33 to slide on the inner wall of the sliding groove 15, so that the scales of the supporting rod 1 are prolonged, a teacher can draw a longer straight line, on a physical painting class, patterns are often drawn, however, when different patterns are drawn according to needs, the teacher often needs to carry various tools to use, make teaching efficiency reduce, through the aforesaid design, can make the teacher accomplish the drawing of multiple pattern through this teaching aid, need not to carry out the replacement of multiple teaching aid, accelerate drawing speed, great improvement teaching efficiency, make two 13 whole grooves 14 inner walls of accomodating of bracing piece through the rotation of pivot 11, make this teaching aid similar a rod shape when not using, through the aforesaid design, great reduction the space utilization of teaching aid, and can make the teacher need not carry multiple teaching aid and use in order to supply the teaching, it is more convenient to carry.
The working principle is as follows:
the first step is as follows: when a teacher needs to draw a circular pattern, the teacher pulls the second support rod 13 out by hand to a proper angle to enable the second support rod 13 to rotate on the circumferential surface of the rotating shaft 11, chalk is placed on the inner wall of the fixed sleeve 21, the rotating button 23 is rotated to drive the threaded column 22 fixedly connected with the rotating button to rotate in the threaded hole of the fixed sleeve 21, the chalk on the inner wall of the fixed sleeve 21 is fixed, the circular pattern can be drawn at the moment, after the use is finished, the second support rod 13 is pushed into the inner wall of the accommodating groove 14, when the straight line needs to be drawn, the straight line with higher accuracy can be drawn according to the scales arranged in front of the support rod 1, when the length of the support rod 1 is insufficient, the extension rod 31 is pulled downwards to enable the second limit block 33 to slide on the inner wall of the sliding groove 15, so that the scales of the support rod 1 are extended, the teacher, however, when different patterns are drawn according to needs, the teacher is often required to carry multiple tools for use, more time can be wasted due to the replacement of the tools when the patterns are drawn, the teaching efficiency is reduced, the teacher can finish the drawing of multiple patterns through the teaching aid through the design, the replacement of multiple teaching aids is not needed, the drawing speed is accelerated, and the teaching efficiency is greatly improved.
The second step is that: rotation through pivot 11 makes two 13 whole recesses of bracing piece accomodate 14 inner walls, makes this teaching aid similar a rod shape when not using, through above-mentioned design, great reduction the space utilization of teaching aid to can make the teacher need not carry multiple teaching aid and use in order to supply the teaching, it is more convenient to carry.
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.
Claims (6)
1. The utility model provides a physics teaching aid convenient to teacher carries and draws, includes bracing piece (1), its characterized in that: a rotating shaft (11) is rotatably connected in front of the supporting rod (1), a limiting block (12) is fixedly connected to the circumferential surface of the rotating shaft (11), a second supporting rod (13) is rotatably connected to the circumferential surface of the rotating shaft (11) in a penetrating manner, a containing groove (14) is formed in the left side of the supporting rod (1), a sliding groove (15) is recessed in the front of the supporting rod (1), scales are formed in the front of the supporting rod (1), and a needle point (16) is fixedly connected to the lower surface of the supporting rod (1);
a fixing device (2) is arranged on the left surface of the second support rod (13);
and an extension device (3) is arranged on the inner wall of the sliding groove (15).
2. A physical teaching aid for teachers to carry and draw pictures as claimed in claim 1, wherein: fixing device (2) are including fixed cover (21), fixed cover (21) are semicircle annular structure, fixed cover (21) right side fixed connection is at two (13) left sides of bracing piece, fixed cover (21) left side set up threaded hole, fixed cover (21) screw hole inner wall threaded connection has screw thread post (22), screw thread post (22) left side fixedly connected with rotation button (23).
3. A physical teaching aid for teachers to carry and draw pictures as claimed in claim 1, wherein: extension device (3) are including extension rod (31), the scale has been seted up in front of extension rod (31), slip outer channel (32) have been seted up at extension rod (31) back, inner wall fixedly connected with stopper two (33) about slip outer channel (32).
4. A physical teaching aid for teachers to carry and draw pictures as claimed in claim 1, wherein: the second support rod (13) and the accommodating groove (14) are equal in width and height.
5. A physical teaching aid for facilitating teacher's portability and drawing of images as claimed in claim 2, wherein: the right side of the threaded column (22) is fixedly connected with a layer of rubber pad.
6. A physical teaching aid for teachers to carry and draw pictures as claimed in claim 3, wherein: stopper two (33) surface sliding connection is at sliding tray (15) right side inner wall, extension rod (31) left side sliding connection is at sliding tray (15) left side inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022704889.5U CN213534308U (en) | 2020-11-20 | 2020-11-20 | Physics teaching aid convenient to teacher carries and draws |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022704889.5U CN213534308U (en) | 2020-11-20 | 2020-11-20 | Physics teaching aid convenient to teacher carries and draws |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213534308U true CN213534308U (en) | 2021-06-25 |
Family
ID=76483664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022704889.5U Expired - Fee Related CN213534308U (en) | 2020-11-20 | 2020-11-20 | Physics teaching aid convenient to teacher carries and draws |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213534308U (en) |
-
2020
- 2020-11-20 CN CN202022704889.5U patent/CN213534308U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210625 |