CN214324724U - Drawing board is used in college mathematics teaching of concatenation formula - Google Patents
Drawing board is used in college mathematics teaching of concatenation formula Download PDFInfo
- Publication number
- CN214324724U CN214324724U CN202120225808.5U CN202120225808U CN214324724U CN 214324724 U CN214324724 U CN 214324724U CN 202120225808 U CN202120225808 U CN 202120225808U CN 214324724 U CN214324724 U CN 214324724U
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- drawing board
- fixedly connected
- groove
- rod
- college
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- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model discloses a splicing type drawing board for college mathematics teaching in the mathematics teaching field, which comprises two drawing boards, wherein the number of the drawing boards is two, the left side is fixedly connected with a T-shaped slide block on the right side of the drawing board, the right side is provided with a T-shaped chute matched with the T-shaped slide block for use, the outer surface of the T-shaped slide block is spliced with the inner surface of the T-shaped chute, and the right side is provided with a through groove on the top of the left side of the drawing board, in the utility model, the drawing board can be conveniently spliced by arranging the T-shaped slide block, the T-shaped chute, the through groove, a limit rod and a pressure spring, the drawing area can be enlarged by arranging a connecting plate, a support plate slide way and a connecting rod, and the drawing board can be disassembled by arranging the above structure, thereby being convenient for accommodating and carrying, solving the problems that most of the existing drawing boards are fixed and are inconvenient for accommodating and carrying due to large area, the use is very inconvenient.
Description
Technical Field
The utility model relates to a mathematical education field specifically is a drawing board is used in college mathematics teaching of concatenation formula.
Background
Mathematics is a subject of the concepts such as research quantity, structure, change, space and information, from a certain angle belongs to form science one, and in human historical development and social life, mathematics also plays irreplaceable effect, also be the essential basic tool of study and research modern science and technology, need utilize the drawing board to demonstrate the rehearsal when college mathematics teaching, current drawing board is most all fixed, because the area is great be not convenient for accomodate and carry, it is very inconvenient to use, consequently, technical personnel in the art provide a concatenation formula drawing board for college mathematics teaching, in order to solve the problem that proposes in the above-mentioned background art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a drawing board is used in college mathematics teaching of concatenation formula to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a splicing type drawing board for university mathematics teaching comprises two drawing boards, wherein a T-shaped sliding block is fixedly connected to the right side of each drawing board on the left side, a T-shaped sliding groove matched with the T-shaped sliding block for use is formed in the left side of each drawing board on the right side, the outer surface of each T-shaped sliding block is spliced with the inner surface of the T-shaped sliding groove, a through groove is formed in the top of the left side of each drawing board on the right side, a limiting rod is movably connected to the inner surface of each through groove, a pressure spring is fixedly connected to the right side of each limiting rod, the right side of each pressure spring is fixedly connected with the joint of the inner cavity of each through groove, the left side of each limiting rod penetrates through each through groove and extends to the inner cavity of the T-shaped sliding groove, the bottom of each limiting rod is tightly attached to the top of each T-shaped sliding block, a connecting plate is movably connected to the inner cavities of the two drawing boards, and a supporting plate is fixedly connected to the back surface of the connecting plate, the slide has all been seted up to the top and the bottom of drawing board inner chamber, the internal surface sliding connection of slide has the connecting rod, the one end that the connecting plate was kept away from to the backup pad run through the drawing board and with the top fixed connection of connecting rod.
As a further aspect of the present invention: the right side fixedly connected with guide block of gag lever post bottom, the guide way that the cooperation guide block used is seted up at the top of logical groove inner chamber, the surface of guide block and the internal surface sliding connection of guide way.
As a further aspect of the present invention: the right side fixedly connected with push rod at gag lever post top, the through-hole that the cooperation push rod used is seted up at the top that leads to the groove, the top of push rod runs through the through-hole and extends to the outside of through-hole.
As a further aspect of the present invention: threaded holes are formed in the top and the bottom of the connecting rod, a screw rod is connected to the inner surface of each threaded hole in a threaded mode, and one end, far away from the threaded holes, of the screw rod penetrates through the drawing board and extends to the outer side of the drawing board.
As a further aspect of the present invention: two the back position that leans on of drawing board back of the body one side mutually all has a baffle, two the equal swing joint in one side that the baffle is relative has a snap ring, two the drawing board back of the body one side all fixedly connected with buckle in the position before leaning on.
As a further aspect of the present invention: two equal fixedly connected with handle in one side that the connecting plate carried on the back mutually.
As a further aspect of the present invention: the top of the drawing board is fixedly connected with a carrying handle.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, through setting up T type slider, T type spout, leading to groove, gag lever post and pressure spring, can conveniently splice the drawing board, through setting up connecting plate, backup pad slide and connecting rod, can enlarge the area of drawing, through setting up above structure, possess and dismantle the drawing board, the advantage of portable of accomodating has solved current drawing board and has all been fixed mostly, because the area is great be not convenient for accomodate and carry, use very inconvenient problem.
2. In the utility model, the guide block and the guide groove are arranged, so that the movement of the limiting rod can be guided, and the movement of the limiting rod is limited;
the limiting rod can be conveniently moved by arranging the push rod and the through hole;
the connecting rod can be fixed by arranging the screw rod and the threaded hole, so that the connecting plate is fixed;
the drawing board can be protected by arranging the baffle, the buckle and the snap ring, so that the connecting board is prevented from sliding out when not in use;
the connecting plate can be conveniently pulled by arranging the handle;
through setting up the carrying handle, can conveniently carry the drawing board.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top sectional view of the structure of the present invention;
FIG. 3 is a top-down contraction view of the connection plate structure of the present invention;
FIG. 4 is a partial enlarged view of the point A in FIG. 1;
FIG. 5 is a partial enlarged view of the point B in the structure of FIG. 1;
fig. 6 is a partial enlarged view of the point C in the structure diagram of the present invention 3.
In the figure: 1. drawing boards; 2. a T-shaped slider; 3. a T-shaped chute; 4. a through groove; 5. a limiting rod; 6. a pressure spring; 7. a connecting plate; 8. a support plate; 9. a slideway; 10. a connecting rod; 11. a guide block; 12. a guide groove; 13. a push rod; 14. a through hole; 15. a threaded hole; 16. a screw; 17. a baffle plate; 18. buckling; 19. a snap ring; 20. a handle.
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 to 6, in an embodiment of the present invention, a splicing type drawing board for mathematics teaching of university includes two drawing boards 1, the number of the drawing boards 1 is two, a T-shaped slider 2 is fixedly connected to the right side of the left drawing board 1, a T-shaped chute 3 matched with the T-shaped slider 2 for use is formed in the left side of the right drawing board 1, the outer surface of the T-shaped slider 2 is inserted into the inner surface of the T-shaped chute 3, a through groove 4 is formed in the top of the left side of the right drawing board 1, a limiting rod 5 is movably connected to the inner surface of the through groove 4, a pressure spring 6 is fixedly connected to the right side of the limiting rod 5, the right side of the pressure spring 6 is fixedly connected to the connection of the inner cavity of the through groove 4, the left side of the limiting rod 5 penetrates through the through groove 4 and extends to the inner cavity of the T-shaped chute 3, the bottom of the limiting rod 5 is tightly attached to the top of the T-shaped slider 2, the inner cavities of the two drawing boards 1 are both movably connected to a connecting plate 7, back fixedly connected with backup pad 8 of connecting plate 7, slide 9 has all been seted up to the top and the bottom of 1 inner chamber of drawing board, the internal surface sliding connection of slide 9 has connecting rod 10, backup pad 8 keeps away from the one end of connecting plate 7 run through drawing board 1 and with the top fixed connection of connecting rod 10, through setting up T type slider 2, T type spout 3, lead to groove 4, gag lever post 5 and pressure spring 6, can conveniently splice drawing board 1, through setting up connecting plate 7, backup pad 8 slide 9 and connecting rod 10, can enlarge the area of drawing, through setting up above structure, possess and dismantle the drawing board, portable's advantage is accomodate, it all is fixed mostly to have solved current drawing board, because the area is not convenient for accomodate greatly and carry, use very inconvenient problem.
In this embodiment, the right side fixedly connected with guide block 11 of gag lever post 5 bottom, the guide way 12 that cooperation guide block 11 used has been seted up at the top of leading to groove 4 inner chamber, and the surface of guide block 11 and the internal surface sliding connection of guide way 12 through setting up guide block 11 and guide way 12, can play the effect of direction to gag lever post 5's removal, also carry on spacingly to gag lever post 5's removal simultaneously.
In this embodiment, the right side fixedly connected with push rod 13 at gag lever post 5 top, the through-hole 14 that cooperation push rod 13 used has been seted up at the top that leads to groove 4, and through-hole 14 and the outside that extends to through-hole 14 are run through to the top of push rod 13, through setting up push rod 13 and through-hole 14, can conveniently remove gag lever post 5.
In this embodiment, threaded hole 15 has all been seted up to the top and the bottom of connecting rod 10, and threaded hole 15's internal surface threaded connection has screw rod 16, and the one end that screw rod 16 kept away from threaded hole 15 runs through drawing board 1 and extends to the outside of drawing board 1, through setting up screw rod 16 and threaded hole 15, can fix connecting rod 10, and then fixes connecting plate 7.
In this embodiment, two drawing boards 1 all have baffle 17 through hinge swing joint back position that leans on one side mutually away from the body, and two equal swing joint in one side that baffle 17 is relative have snap ring 19, and two drawing boards 1 all carry on the back the equal fixedly connected with buckle 18 in position that leans on one side mutually away from the body, through setting up baffle 17, buckle 18 and snap ring 19, can protect drawing board 1, prevent connecting plate 7 roll-off when not using.
In this embodiment, two equal fixedly connected with handles 20 in one side that connecting plate 7 carried on the back mutually, through setting up handle 20, can conveniently stimulate connecting plate 7.
In this embodiment, the top fixedly connected with carrying handle of drawing board 1 through setting up the carrying handle, can conveniently carry drawing board 1.
The utility model discloses a theory of operation is: initially, the drawing board 1 is in a disassembled state, when the drawing board 1 needs to be used, the push rod 13 is pulled to move rightwards, the push rod 13 drives the limiting rod 5 to move rightwards through the guide of the guide block 11 and the guide groove 12, the limiting rod 5 is taken into the through groove 4, the T-shaped sliding block 2 is inserted into the T-shaped sliding groove 3 to splice the two drawing boards 1, then the push rod 13 is loosened, the limiting rod 5 is driven to move leftwards through the action of the pressure spring 6, the limiting rod 5 fixes the T-shaped sliding block 2 and further fixes the drawing boards 1, when the area of the drawing board 1 is not enough to be used, the clamping ring 19 is pulled to separate from the buckle 18, the handle 20 is pulled to drive the connecting plate 7 to move towards two sides, the connecting plate 7 drives the connecting rod 10 and the supporting plate 8 to move towards two sides through the guide of the slide way 9, the screw rod 16 is rotated after the movement is finished, and the screw rod 16 is inserted into the threaded hole 15, fixing the connecting rod 10 to further enlarge the drawing area;
after the teaching is accomplished, twist screw rod 16 again, make screw rod 16 break away from screw hole 15, in drawing board 1 with connecting plate 7 income again, then 19 snap ring and the 18 chucking of buckle, protect connecting plate 7, move push rod 13 to the right at last, make gag lever post 5 and the separation of T type slider 2, part two drawing boards 1, through setting up above structure, possess and dismantle the drawing board, the advantage of convenient to accomodate and carry, it all is fixed to have solved current drawing board mostly, because the area is great be not convenient for accomodate and carry, the problem of using very inconvenient.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a drawing board for concatenation formula university's mathematical education, includes drawing board (1), its characterized in that: the number of the drawing boards (1) is two, the left side is fixedly connected with a T-shaped sliding block (2) on the right side of the drawing board (1), the right side is provided with a T-shaped sliding groove (3) matched with the T-shaped sliding block (2) for use, the outer surface of the T-shaped sliding block (2) is spliced with the inner surface of the T-shaped sliding groove (3), the right side is provided with a through groove (4) at the left top of the drawing board (1), the inner surface of the through groove (4) is movably connected with a limiting rod (5), the right side of the limiting rod (5) is fixedly connected with a pressure spring (6), the right side of the pressure spring (6) is fixedly connected with the joint of the inner cavity of the through groove (4), the left side of the limiting rod (5) penetrates through the through groove (4) and extends to the inner cavity of the T-shaped sliding groove (3), the bottom of the limiting rod (5) is tightly attached to the top of the T-shaped sliding block (2), two the equal swing joint in inner chamber of drawing board (1) has connecting plate (7), back fixedly connected with backup pad (8) of connecting plate (7), slide (9) have all been seted up to the top and the bottom of drawing board (1) inner chamber, the internal surface sliding connection of slide (9) has connecting rod (10), the one end that connecting plate (7) were kept away from in backup pad (8) runs through drawing board (1) and with the top fixed connection of connecting rod (10).
2. The drawing board for teaching mathematics of the college spliced type as claimed in claim 1, wherein: the right side fixedly connected with guide block (11) of gag lever post (5) bottom, lead to the top of groove (4) inner chamber and seted up guide way (12) that cooperation guide block (11) used, the surface of guide block (11) and the internal surface sliding connection of guide way (12).
3. The drawing board for teaching mathematics of the college spliced type as claimed in claim 1, wherein: the right side fixedly connected with push rod (13) at gag lever post (5) top, through-hole (14) that cooperation push rod (13) used are seted up at the top that leads to groove (4), through-hole (14) and the outside that extends to through-hole (14) are run through at the top of push rod (13).
4. The drawing board for teaching mathematics of the college spliced type as claimed in claim 1, wherein: threaded holes (15) are formed in the top and the bottom of the connecting rod (10), a screw rod (16) is connected to the inner surface of each threaded hole (15) in a threaded mode, and one end, far away from the threaded holes (15), of the screw rod (16) penetrates through the drawing board (1) and extends to the outer side of the drawing board (1).
5. The drawing board for teaching mathematics of the college spliced type as claimed in claim 1, wherein: two the back position that leans on of one side that backs on the back of the body of drawing board (1) all has baffle (17), two the equal swing joint in one side that baffle (17) is relative has snap ring (19), two the equal fixedly connected with buckle (18) in position before leaning on of one side that backs on the back of the body of drawing board (1).
6. The drawing board for teaching mathematics of the college spliced type as claimed in claim 1, wherein: and one sides of the two connecting plates (7) which are back to back are fixedly connected with handles (20).
7. The drawing board for teaching mathematics of the college spliced type as claimed in claim 1, wherein: the top of the drawing board (1) is fixedly connected with a carrying handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120225808.5U CN214324724U (en) | 2021-01-27 | 2021-01-27 | Drawing board is used in college mathematics teaching of concatenation formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120225808.5U CN214324724U (en) | 2021-01-27 | 2021-01-27 | Drawing board is used in college mathematics teaching of concatenation formula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214324724U true CN214324724U (en) | 2021-10-01 |
Family
ID=77906559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120225808.5U Expired - Fee Related CN214324724U (en) | 2021-01-27 | 2021-01-27 | Drawing board is used in college mathematics teaching of concatenation formula |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214324724U (en) |
-
2021
- 2021-01-27 CN CN202120225808.5U patent/CN214324724U/en not_active Expired - Fee Related
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Legal Events
| 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: 20211001 |