CN214492266U - Portable drawing board is used in linear algebra teaching - Google Patents
Portable drawing board is used in linear algebra teaching Download PDFInfo
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- CN214492266U CN214492266U CN202120542848.2U CN202120542848U CN214492266U CN 214492266 U CN214492266 U CN 214492266U CN 202120542848 U CN202120542848 U CN 202120542848U CN 214492266 U CN214492266 U CN 214492266U
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- drawing board
- auxiliary
- main
- supporting
- sliding
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Abstract
The utility model discloses a linear algebra teaching is with portable drawing board, including brace table, supporting leg, main drawing board and vice drawing board, the supporting leg that two symmetries set up is welded to brace table's bottom fixed welding, and the spread groove has all been seted up to the bottom of supporting leg, and fixed welding has the telescopic link in the spread groove, and the gyro wheel that has braking capacity is installed through spliced pole fixed mounting in the bottom of telescopic link, the fixed welding in top of brace table has the pivot, the periphery of pivot is rotated and is connected with the stay tube, the fixed welding in top of stay tube has the mounting bracket, the embedded main drawing board of installing in the front end of mounting bracket, the rear end slidable mounting of mounting bracket has the vice drawing board that two symmetries set up. This portable drawing board is used in linear algebra teaching, not only whole drawing area is big, is favorable to digit level, the vertical alignment of matrix, determinant etc. the mounting bracket can rotate the influence of avoiding light, and the integral movement is convenient.
Description
Technical Field
The utility model belongs to the technical field of linear algebra teaching aid, concretely relates to linear algebra teaching is with portable drawing board.
Background
In the teaching process of linear algebra, calculation processes of a matrix, a determinant and the like are often required to be demonstrated on a blackboard, the use area of the blackboard cannot meet the use requirement, and because the number of the matrix, the determinant and the like is more, a teacher cannot guarantee horizontal and vertical alignment of the matrix, the determinant and the like in the writing process, so that students cannot conveniently observe the characteristics of the matrix, the determinant and the like, and the whole teaching effect is influenced; and the blackboard is fixed knot structure mostly, can cause the regional reflection of light of part because of the light problem, influences the student and watches the effect.
Therefore, in view of the current situation, it is urgently needed to design and produce a portable drawing board for linear algebra teaching so as to meet the requirement of practical use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a linear algebra teaching is with portable drawing board 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 portable drawing board for linear algebra teaching comprises a supporting table, supporting legs, a main drawing board and auxiliary drawing boards, wherein the bottom end of the supporting table is fixedly welded with the two symmetrically arranged supporting legs, the bottom ends of the supporting legs are respectively provided with a connecting groove, a telescopic rod is fixedly welded in the connecting groove, the bottom end of the telescopic rod is fixedly provided with a roller with braking capacity through a connecting column, the top end of the supporting table is fixedly welded with a rotating shaft, the periphery of the rotating shaft is rotatably connected with a supporting tube, the top end of the supporting tube is fixedly welded with a mounting frame, the main drawing board is embedded in the front end of the mounting frame, and the rear end of the mounting frame is slidably provided with the two symmetrically arranged auxiliary drawing boards;
the front end of the mounting rack is provided with two parallel connecting grooves, main sliding rods are fixedly inserted between two symmetrical inner walls of the two connecting grooves, main sliding blocks are sleeved on the peripheries of the two main sliding rods in a sliding mode, a main positioning batten is fixedly welded between the two main sliding blocks, and two groups of scale marks distributed in a mirror image mode are engraved on the side face, away from the main drawing board, of the main positioning batten;
the rear end of the mounting rack extends to form two mounting plates which are arranged in parallel, two symmetrically-arranged sliding grooves are formed in the adjacent side faces of the two mounting plates, the top end and the bottom end of the auxiliary drawing board are respectively connected with the sliding grooves of the two mounting plates in a sliding mode, connecting grooves are formed in the two symmetrical side faces of the auxiliary drawing board, auxiliary sliding rods are fixedly inserted into the two connecting grooves, auxiliary sliding blocks are sleeved on the peripheries of the auxiliary sliding rods in a sliding mode, auxiliary positioning battens are fixedly welded between the two auxiliary sliding blocks, and two groups of scale marks distributed in a mirror image mode are engraved on the side faces, far away from the auxiliary drawing board, of the auxiliary positioning battens;
the main drawing board and the auxiliary drawing board are both arranged to be magnetic white boards, the front end of the supporting table is fixedly provided with an object placing box through screws, a plurality of triangular baffles of different sizes are inserted into the object placing box, and the white magnetic boards are installed in the triangular baffles in an embedded mode and are attracted and buckled.
Preferably, the two side surfaces of the supporting table are respectively and fixedly provided with a rotating shaft seat with a supporting rod through screws, one end of the supporting rod, which is far away from the rotating shaft seat, is integrally formed with a supporting block, and the bottom end of the auxiliary drawing board is provided with a clamping groove matched with the supporting block.
Preferably, the edge of the drawing area of each of the main drawing board and the auxiliary drawing board is marked with scale lines.
Preferably, gaps are respectively reserved between the main positioning batten and the main drawing board and between the auxiliary positioning batten and the auxiliary drawing board.
Preferably, the periphery of pivot extends there is the connecting block, and the inner wall of stay tube seted up with connecting block assorted spread groove.
The utility model discloses a technological effect and advantage: the portable drawing board for linear algebra teaching is integrally provided with a main drawing board and two auxiliary drawing boards, and the whole drawing area is large so as to meet the use requirement; the arrangement of the main positioning strip plate and the auxiliary positioning strip plate can ensure that the numbers of the matrix, the determinant and the like are horizontally aligned, and the scale marks of the main positioning strip plate and the auxiliary positioning strip plate are matched to ensure that the numbers of the matrix, the determinant and the like are horizontally aligned and vertically aligned, so that students can observe and observe the characteristics of the matrix, the determinant and the like, and study of the students is inspired; due to the matching use of the rotating shaft and the supporting tube, the mounting frame can rotate around the rotating shaft, the angle of the mounting frame is changed, and the light is prevented from influencing the whole teaching; the teaching aid triangular baffle can be magnetically adsorbed on the main drawing board and the auxiliary drawing board, so that the teaching aid triangular baffle is convenient for teachers to use; due to the arrangement of the telescopic rod and the roller, the whole body is convenient to move and carry; the arrangement of the supporting rod is beneficial to improving the stability of the auxiliary drawing board when in use; this portable drawing board is used in linear algebra teaching, not only whole drawing area is big, is favorable to digit level, the vertical alignment of matrix, determinant etc. the mounting bracket can rotate the influence of avoiding light, and the integral movement is convenient.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the auxiliary drawing board of the present invention when it is pulled out and the roller is grounded;
fig. 3 is an enlarged view of the structure a in fig. 1 according to the present invention;
fig. 4 is an enlarged view of the structure B in fig. 1 according to the present invention;
fig. 5 is a sectional view of the rotating shaft of the present invention.
In the figure: 1 brace table, 2 supporting legs, 3 main drawing boards, 4 pairs of drawing boards, 5 rollers, 6 rotating shafts, 7 supporting tubes, 8 mounting racks, 9 main slide bars, 10 main positioning battens, 11 mounting plates, 12 pairs of slide bars, 13 pairs of positioning battens, 14 triangular baffles, 15 supporting rods and 16 connecting blocks.
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.
Unless defined otherwise, all references to up, down, left, right, front, back, inner and outer directions herein are to be interpreted as referring to up, down, left, right, front, back, inner and outer directions in the drawings to which the invention is applied, and all references are hereby incorporated herein by reference.
The utility model provides a portable drawing board is used in linear algebra teaching as shown in fig. 1-5, including brace table 1, supporting leg 2, main drawing board 3 and vice drawing board 4, the fixed welding in bottom of brace table 1 has two symmetrical supporting legs 2 that set up, and the spread groove has all been seted up to the bottom of supporting leg 2, and fixed welding has the telescopic link (not drawn in the picture) in the spread groove, and the bottom of telescopic link is through spliced pole fixed mounting has gyro wheel 5 that has braking capacity, the fixed welding in top of brace table 1 has pivot 6, the periphery of pivot 6 is rotated and is connected with stay tube 7, the fixed welding in top of stay tube 7 has mounting bracket 8, main drawing board 3 is installed to the embedded front end of mounting bracket 8, the rear end slidable mounting of mounting bracket 8 has two symmetrical vice drawing boards 4 that set up;
the front end of the mounting rack 8 is provided with two parallel connecting grooves, a main sliding rod 9 is fixedly inserted between two symmetrical inner walls of the two connecting grooves, main sliding blocks are sleeved on the peripheries of the two main sliding rods 9 in a sliding mode, a main positioning batten 10 is fixedly welded between the two main sliding blocks, and two groups of scale marks distributed in a mirror image mode are engraved on the side face, away from the main drawing board 3, of the main positioning batten 10;
two mounting plates 11 arranged in parallel extend from the rear end of the mounting frame 8, two symmetrically arranged sliding grooves are formed in the adjacent side surfaces of the two mounting plates 11, the top end and the bottom end of the auxiliary drawing board 4 are respectively connected with the sliding grooves of the two mounting plates 11 in a sliding manner, connecting grooves are formed in the two symmetrical side surfaces of the auxiliary drawing board 4, auxiliary sliding rods 12 are fixedly inserted into the two connecting grooves, auxiliary sliding blocks are sleeved on the peripheries of the auxiliary sliding rods 12 in a sliding manner, auxiliary positioning battens 13 are fixedly welded between the two auxiliary sliding blocks, and two groups of scale marks distributed in a mirror image manner are carved on the side surfaces, far away from the auxiliary drawing board 4, of the auxiliary positioning battens 13;
Specifically, the two side surfaces of the supporting table 1 are respectively provided with a rotating shaft seat with a supporting rod 15 through screw fixing, one end of the supporting rod 15, which is far away from the rotating shaft seat, is integrally formed with a supporting block, and the bottom end of the auxiliary drawing board 4 is provided with a clamping groove matched with the supporting block.
Specifically, the border department of the drawing district of main drawing board 3 and vice drawing board 4 has all been carved with the scale mark, and the scale mark evenly sets up.
Specifically, gaps are left between the main positioning lath 10 and the main drawing board 3 and between the auxiliary positioning lath 13 and the auxiliary drawing board 4 respectively, and the friction loss of the main positioning lath 10 and the auxiliary positioning lath 13 can be reduced due to the arrangement of the gaps.
Specifically, the periphery of pivot 6 extends there is connecting block 16, and the inner wall of stay tube 7 offer with connecting block 16 assorted spread groove, connecting block 16 extend to in the spread groove and rather than sliding connection, connecting block 16 set up can promote the stability when pivot 6 rotates.
The portable drawing board for linear algebra teaching is characterized in that a telescopic rod is adjusted to enable a roller 5 to land, the whole drawing board is moved to a corresponding teaching classroom, then the telescopic rod is adjusted again to enable a supporting leg 2 to land and the roller 5 to empty, so that the stability of the whole drawing board in use is ensured, a teacher can use a main drawing board 3 and an auxiliary drawing board 4 in the teaching process, and then a main positioning batten 10 and an auxiliary positioning batten 13 are used for positioning in a matching manner, the teacher can use a triangular baffle 14 to shield an upper triangular area or a lower triangular area of a matrix, a determinant and the like in the teaching process, and students are motivated to learn; when the auxiliary drawing board 4 is needed, the supporting block of the supporting rod 15 is fixed in the clamping groove of the auxiliary drawing board 4.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (5)
1. The utility model provides a linear algebra teaching is with portable drawing board, includes brace table (1), supporting leg (2), main drawing board (3) and vice drawing board (4), its characterized in that: the bottom end of the supporting table (1) is fixedly welded with two symmetrically arranged supporting legs (2), connecting grooves are formed in the bottom ends of the supporting legs (2), telescopic rods are fixedly welded in the connecting grooves, idler wheels (5) with braking capacity are fixedly mounted at the bottom ends of the telescopic rods through connecting columns, a rotating shaft (6) is fixedly welded at the top end of the supporting table (1), supporting tubes (7) are rotatably connected to the periphery of the rotating shaft (6), a mounting frame (8) is fixedly welded at the top end of each supporting tube (7), a main drawing board (3) is embedded in the front end of the mounting frame (8), and two symmetrically arranged auxiliary drawing boards (4) are slidably mounted at the rear end of the mounting frame (8);
the front end of the mounting rack (8) is provided with two parallel connecting grooves, main sliding rods (9) are fixedly inserted between two symmetrical inner walls of the two connecting grooves, main sliding blocks are sleeved on the peripheries of the two main sliding rods (9) in a sliding mode, a main positioning batten (10) is fixedly welded between the two main sliding blocks, and two groups of scale marks distributed in a mirror image mode are carved on the side face, far away from the main drawing board (3), of the main positioning batten (10);
the rear end of the mounting rack (8) extends to form two mounting plates (11) which are arranged in parallel, two symmetrically-arranged sliding grooves are formed in the adjacent side faces of the two mounting plates (11), the top end and the bottom end of the auxiliary drawing board (4) are respectively in sliding connection with the sliding grooves of the two mounting plates (11), two connecting grooves are formed in the two side faces of the auxiliary drawing board (4) which are symmetrical in position, auxiliary sliding rods (12) are fixedly inserted in the two connecting grooves, auxiliary sliding blocks are sleeved on the peripheries of the auxiliary sliding rods (12) in a sliding mode, auxiliary positioning battens (13) are fixedly welded between the two auxiliary sliding blocks, and two groups of scale marks distributed in a mirror image mode are carved on the side faces, far away from the auxiliary drawing board (4), of the auxiliary positioning battens (13);
the main drawing board (3) and the auxiliary drawing board (4) are both arranged to be magnetic white boards, the front end of the supporting table (1) is fixedly provided with an object placing box through screws, a plurality of triangular baffles (14) with different sizes are inserted into the object placing box, and the white magnetic boards are installed in the triangular baffles (14) in an embedded mode and are attracted and buckled.
2. The portable drawing board for linear algebra teaching of claim 1, characterized in that: the two side faces of the supporting table (1) are respectively and fixedly provided with a rotating shaft seat with a supporting rod (15) through screws, a supporting block is integrally formed at one end, away from the rotating shaft seat, of the supporting rod (15), and clamping grooves matched with the supporting blocks are formed in the bottom end of the auxiliary drawing board (4).
3. The portable drawing board for linear algebra teaching of claim 1, characterized in that: and scale marks are carved on the edges of the drawing areas of the main drawing board (3) and the auxiliary drawing board (4).
4. The portable drawing board for linear algebra teaching of claim 1, characterized in that: gaps are respectively reserved between the main positioning batten (10) and the main drawing board (3) and between the auxiliary positioning batten (13) and the auxiliary drawing board (4).
5. The portable drawing board for linear algebra teaching of claim 1, characterized in that: the periphery of pivot (6) extends there is connecting block (16), and the inner wall of stay tube (7) seted up with connecting block (16) assorted spread groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120542848.2U CN214492266U (en) | 2021-03-16 | 2021-03-16 | Portable drawing board is used in linear algebra teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120542848.2U CN214492266U (en) | 2021-03-16 | 2021-03-16 | Portable drawing board is used in linear algebra teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214492266U true CN214492266U (en) | 2021-10-26 |
Family
ID=78198768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120542848.2U Expired - Fee Related CN214492266U (en) | 2021-03-16 | 2021-03-16 | Portable drawing board is used in linear algebra teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214492266U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115120036A (en) * | 2022-07-11 | 2022-09-30 | 罗春 | Assembly type building design platform based on online collaborative management |
-
2021
- 2021-03-16 CN CN202120542848.2U patent/CN214492266U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115120036A (en) * | 2022-07-11 | 2022-09-30 | 罗春 | Assembly type building design platform based on online collaborative management |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211026 |
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| CF01 | Termination of patent right due to non-payment of annual fee |