CN210501992U - Blackboard writing device for junior middle school mathematics teaching - Google Patents
Blackboard writing device for junior middle school mathematics teaching Download PDFInfo
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- CN210501992U CN210501992U CN201921464118.4U CN201921464118U CN210501992U CN 210501992 U CN210501992 U CN 210501992U CN 201921464118 U CN201921464118 U CN 201921464118U CN 210501992 U CN210501992 U CN 210501992U
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- 230000005611 electricity Effects 0.000 claims abstract description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 239000007787 solid Substances 0.000 abstract description 2
- 235000010599 Verbascum thapsus Nutrition 0.000 description 1
- 244000178289 Verbascum thapsus Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a device is write with blackboard writing to junior middle school mathematics teaching, which comprises a fixing plate and i, the fixed frame of positive fixedly connected with of fixed plate, the tongue has been seted up to the inboard of fixed frame, the solid fixed ring of inner wall fixedly connected with of tongue, gu the miniature laser lamp of inner wall fixedly connected with of fixed ring, the opening part inner wall fixedly connected with PC board of tongue, the afterbody electricity of miniature laser lamp is connected with control switch. This device is write with writing on blackboard in junior high school mathematics teaching, through setting up fixed frame, miniature laser lamp, PC board and control switch, the teacher of being convenient for draws a picture or rationally uses the blackboard in last mathematics class, through setting up the longitudinal groove, erect groove and right angle triangle piece, the chalk of being convenient for takes, accomodate the groove through the setting, the slide, handle and teaching board, be convenient for in last mathematics class, slide, the instrument of drawing that needs to use in the mathematics class of taking, thereby reach the effect that the device is write on writing on blackboard in junior high school mathematics has drawing and teaching.
Description
Technical Field
The utility model relates to a teaching tool technical field specifically is a blackboard writing device for junior middle school mathematics teaching.
Background
The blackboard writing (Write on the blackboard), understood from the dynamic point of view, is a way of words and symbols written on the blackboard by teachers in class to transmit teaching information and teach book nurses a language activity, also known as teaching written language. From the static perspective, it is a general term of teaching information that teachers utilize blackboards to display concise and concise characters, symbols, diagrams and the like in order to help students understand and master knowledge during teaching.
When the current blackboard writing is used, the function is single, so that a mathematic teacher needs to carry a large number of drawing tools during teaching, sometimes forgets to carry the tools, and then causes irregular drawing and writing on the blackboard writing to influence the teaching quality.
Disclosure of Invention
An object of the utility model is to provide a blackboard writing device for junior middle school's mathematics teaching to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a blackboard writing device for junior middle school mathematics teaching comprises a fixed plate, wherein a fixed frame is fixedly connected with the front side of the fixed plate, a convex groove is formed in the inner side of the fixed frame, a fixing ring is fixedly connected with the inner wall of the convex groove, a miniature laser lamp is fixedly connected with the inner wall of the fixing ring, a PC (personal computer) board is fixedly connected with the inner wall of the opening of the convex groove, the tail part of the miniature laser lamp is electrically connected with a control switch, a longitudinal groove is formed in the front side of the fixed frame, which is far away from the miniature laser lamp, a vertical groove is formed in the inner wall of the longitudinal groove, a right-angled triangular block is fixedly connected with the inner bottom wall of the vertical groove, an accommodating groove is formed in the side surface of the fixed plate, a groove is formed in the inner front wall of the accommodating groove, a sliding plate is, the front of the teaching board is provided with a digging groove.
Preferably, two containing grooves are formed in the two sides of the fixing plate, and the teaching plate is divided into a right-angle plate, an angle plate, a straight plate and a conical plate.
Preferably, the upper surface of fixed frame is provided with three miniature laser lamps with the impartial distance in side, and the quantity of miniature laser lamp is six, six miniature laser lamps all are connected with control switch electricity.
Preferably, the vertical groove is in a conical shape with a small front part and a large rear part, the inner wall of the vertical groove is connected with chalk in a sliding mode, a square groove is formed in the inner bottom wall of the vertical groove, and a right-angle triangular block is fixedly connected to the inner front wall of the square groove.
Preferably, the lower surface of the fixed frame is fixedly connected with a supporting plate, and the lower surfaces of the fixed frame and the fixed plate are fixedly connected with supporting plates.
Preferably, one side of the fixing frame, which is far away from the miniature laser lamp, is fixedly connected with a rubber layer.
Advantageous effects
The utility model provides a junior middle school is writing device with blackboard writing for mathematical education, this junior middle school is writing device with blackboard writing, through setting up fixed frame, miniature laser lamp, PC board and control switch, the teacher of being convenient for draws the line or the rational use blackboard in last mathematics classroom, through setting up the vertical slot, erect groove and right angle triangle piece, the chalk of being convenient for takes, accomodate the groove through the setting, a slide, handle and teaching board, be convenient for in last mathematics classroom, sliding plate, the instrument of drawing that needs to use in the mathematics classroom of taking, thereby reach junior middle school's mathematics teaching and write the effect that the device has drawing and teaching with blackboard writing.
Drawings
FIG. 1 is a front sectional view of the fixing frame of the present invention;
FIG. 2 is a schematic front sectional view of the structure fixing plate of the present invention;
fig. 3 is an enlarged schematic view of a in fig. 1 of the present invention.
In the figure: 1 fixed plate, 2 fixed frames, 3 tongue, 4 solid fixed ring, 5 miniature laser lamp, 6 PC board, 7 control switch, 8 vertical slot, 9 vertical slot, 10 right angle triangle blocks, 11 storage groove, 12 recesses, 13 slide, 14 handles, 15 teaching board, 16 scratch the groove.
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. 1-3, the present invention provides a technical solution: a blackboard writing device for junior middle school mathematics teaching comprises a fixed plate 1, wherein a fixed frame 2 is fixedly connected to the front surface of the fixed plate 1, a supporting plate is fixedly connected to the lower surface of the fixed frame 2, the supporting plates are fixedly connected to the lower surfaces of the fixed frame 2 and the fixed plate 1, a convex groove 3 is formed in the inner side of the fixed frame 2, a fixing ring 4 is fixedly connected to the inner wall of the convex groove 3, a micro laser lamp 5 is fixedly connected to the inner wall of the fixing ring 4, a rubber layer is fixedly connected to one side of the fixed frame 2 away from the micro laser lamp 5, a PC board 6 is fixedly connected to the inner wall of an opening of the convex groove 3, a control switch 7 is electrically connected to the tail part of the micro laser lamp 5, three micro laser lamps 5 are arranged on the upper surface and the side surface of the fixed frame 2 at equal distances, the six micro laser lamps 5 are electrically connected to the, vertical groove 9 has been seted up to the inner wall of vertical groove 8, erect three hornblocks in inner diapire fixedly connected with right angle 10 of groove 9, the shape of erecting groove 9 is the big taper shape in the front little back, and the inner wall sliding connection who erects groove 9 has the chalk, the square groove has been seted up to the inner diapire of erecting groove 9, and antetheca fixedly connected with right angle three hornblocks in square groove 10, the side of fixed plate 1 has been seted up and has been accomodate groove 11, accomodate the interior antetheca of groove 11 and set up fluted 12, the inner wall sliding connection of recess 12 has slide 13, slide 13's side fixedly connected with handle 14, accomodate the inner wall sliding connection of groove 11 and have teaching board 15, two have all been seted up in the both sides of fixed plate 1 and have been accomodate groove 11, and teaching board 15 divide into the right angle board, the angle board, straight board.
The working principle is as follows: when using blackboard writing device for junior high school mathematics teaching, through pressing control switch 7, make the miniature laser lamp 5 of 2 sides of positive fixed frame of blackboard writing shine, show horizontal vertical line on the blackboard writing, and slide the handle 14 of blackboard writing side, handle 14 drives slide 13, slide 13 slides in recess 12, and drive teaching board 15 roll-off blackboard writing through the positive groove 16 of scratching of teaching board 15, take the chalk in the vertical groove 9, and draw the picture on the blackboard writing through teaching board 15, thereby reach junior high school mathematics teaching blackboard writing device and have the effect of drawing and teaching.
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 junior middle school is blackboard writing device for mathematical education, includes fixed plate (1), its characterized in that: the front fixedly connected with fixed frame (2) of fixed plate (1), tongue (3) have been seted up to the inboard of fixed frame (2), the fixed ring (4) of inner wall fixedly connected with of tongue (3), the inner wall fixedly connected with miniature laser lamp (5) of fixed ring (4), the opening part inner wall fixedly connected with PC board (6) of tongue (3), the afterbody electricity of miniature laser lamp (5) is connected with control switch (7), one side of keeping away from miniature laser lamp (5) of fixed frame (2) openly has seted up vertical groove (8), vertical groove (9) have been seted up to the inner wall of vertical groove (8), the interior diapire fixedly connected with right angle triangle piece (10) of vertical groove (9), accomodate groove (11) have been seted up to the side of fixed plate (1), accomodate the interior antetheca of groove (11) and set up fluted (12), the inner wall sliding connection of recess (12) has slide (13), the side fixedly connected with handle (14) of slide (13), the inner wall sliding connection who accomodates groove (11) has teaching board (15), groove (16) have been seted up in the front of teaching board (15).
2. The blackboard writing device for junior middle school mathematics teaching according to claim 1, characterized in that: two containing grooves (11) are formed in the two sides of the fixing plate (1), and the teaching plate (15) is divided into a right-angle plate, an angle plate, a straight plate and a conical plate.
3. The blackboard writing device for junior middle school mathematics teaching according to claim 1, characterized in that: the upper surface of the fixing frame (2) and the equal distance of the side surface are provided with three miniature laser lamps (5), the number of the miniature laser lamps (5) is six, and the miniature laser lamps (5) are all electrically connected with the control switch (7).
4. The blackboard writing device for junior middle school mathematics teaching according to claim 1, characterized in that: the shape of the vertical groove (9) is a conical shape with a small front part and a large rear part, the inner wall of the vertical groove (9) is connected with chalk in a sliding mode, a square groove is formed in the inner bottom wall of the vertical groove (9), and a right-angle triangular block (10) is fixedly connected to the front wall in the square groove.
5. The blackboard writing device for junior middle school mathematics teaching according to claim 1, characterized in that: the lower surface of the fixed frame (2) is fixedly connected with a supporting plate, and the lower surfaces of the fixed frame (2) and the fixed plate (1) are fixedly connected with the supporting plate.
6. The blackboard writing device for junior middle school mathematics teaching according to claim 1, characterized in that: the rubber layer is fixedly connected to one side, far away from the miniature laser lamp (5), of the fixing frame (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921464118.4U CN210501992U (en) | 2019-09-05 | 2019-09-05 | Blackboard writing device for junior middle school mathematics teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921464118.4U CN210501992U (en) | 2019-09-05 | 2019-09-05 | Blackboard writing device for junior middle school mathematics teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210501992U true CN210501992U (en) | 2020-05-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921464118.4U Expired - Fee Related CN210501992U (en) | 2019-09-05 | 2019-09-05 | Blackboard writing device for junior middle school mathematics teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210501992U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111660704A (en) * | 2020-06-18 | 2020-09-15 | 山东青年政治学院 | French word teaching is with contrast show blackboard |
-
2019
- 2019-09-05 CN CN201921464118.4U patent/CN210501992U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111660704A (en) * | 2020-06-18 | 2020-09-15 | 山东青年政治学院 | French word teaching is with contrast show blackboard |
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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 |
Granted publication date: 20200512 |