CN113413015A - Drawing device for mathematical modeling - Google Patents
Drawing device for mathematical modeling Download PDFInfo
- Publication number
- CN113413015A CN113413015A CN202110861469.4A CN202110861469A CN113413015A CN 113413015 A CN113413015 A CN 113413015A CN 202110861469 A CN202110861469 A CN 202110861469A CN 113413015 A CN113413015 A CN 113413015A
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- Prior art keywords
- board
- drawing board
- mathematical modeling
- plate
- hinged
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B27/00—Drawing desks or tables; Carriers for drawing-boards
- A47B27/02—Adjustable drawing tables without balancing means
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B1/00—Extensible tables
- A47B1/04—Extensible tables with supplementary leaves or drop leaves arranged at the periphery
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B3/00—Folding or stowable tables
- A47B3/08—Folding or stowable tables with legs pivoted to top or underframe
- A47B3/083—Folding or stowable tables with legs pivoted to top or underframe with foldable top leaves
- A47B3/087—Folding or stowable tables with legs pivoted to top or underframe with foldable top leaves with struts supporting the legs
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Abstract
The invention discloses a drawing device for mathematical modeling, which comprises two bottom plates hinged with each other, wherein two sides of the two bottom plates are both hinged with a first drawing board; the left side and the right side of the top surfaces of the two bottom plates are both provided with strip-shaped grooves, and threaded rods are arranged in the strip-shaped grooves; a knob is arranged at the position of the outer side wall of the bottom plate, which corresponds to the threaded rod; one end and the knob fixed connection in bar groove are worn out to the one end of threaded rod, and the other end rotates with the other end in bar groove to be connected, and the spiro union has round pin axle bed on the threaded rod, all is provided with the second drawing board on two bottom plates, and one side of two second drawing boards all articulates between two round pin axle beds of the left and right sides of corresponding position through the round pin axle, and the bottom of two bottom plates articulates there is the fagging of frame type structure, and two relative inside wall sliding connection of fagging along vertical direction has the bottom sprag board. The drawing board provided by the invention has the advantages of adjustable inclination angle, small volume after being folded, convenience for carrying and convenience for drawing workers to use.
Description
Technical Field
The invention relates to the technical field of drawing devices, in particular to a drawing device for mathematical modeling.
Background
The mathematical modeling is a whole process of explaining an actual problem through a result obtained by calculation and accepting an actual test to establish a mathematical model, and when an actual problem needs to be analyzed and researched from a quantitative perspective, people need to establish the mathematical model by using mathematical symbols and languages as expressions on the basis of deep investigation and research, object information understanding, simplified assumption making, internal rule analysis and other works.
However, the existing mathematical modeling drawing device is large in size and not easy to carry and carry, and a plotter needs to draw the drawing paper at the same angle for a long time, so that neck ache is easy to occur for a long time to cause physical injury, and the drawing efficiency is also influenced. A drawing device for mathematical modeling is proposed to solve the above-mentioned problems.
Disclosure of Invention
The invention provides a drawing device for mathematical modeling, which is used for solving the problems in the background technology.
The invention discloses a drawing device for mathematical modeling, which comprises two bottom plates hinged with each other, wherein two sides of the two bottom plates are both hinged with a first drawing board; strip-shaped grooves are formed in the left side and the right side of the top surfaces of the two bottom plates, and threaded rods are arranged in the strip-shaped grooves; a knob is arranged at the position of the outer side wall of the bottom plate, which corresponds to the threaded rod; one end of the threaded rod penetrates out of one end of the strip-shaped groove and is fixedly connected with the knob, and the other end of the threaded rod is rotatably connected with the other end of the strip-shaped groove.
The threaded rod is in threaded connection with pin shaft seats, the two bottom plates are provided with second drawing boards, and one sides of the two second drawing boards are hinged between the left pin shaft seat and the right pin shaft seat at corresponding positions through pin shafts; two the bottom of second drawing board all articulates there is the telescopic connecting rod, the other end of connecting rod with the top surface of bottom plate is articulated.
Two the bottom of bottom plate articulates there is the fagging of frame type structure, the fagging has the bottom sprag board along two relative inside wall sliding connection of vertical direction.
Preferably, the top parts of the two bottom plates are both provided with accommodating grooves, and the other ends of the connecting rods are hinged with the inner side walls of the accommodating grooves; when the second drawing board is in a horizontal state, the connecting rod is arranged in the accommodating groove; the second drawing board is equal to the bottom board in size, and the bottom of the second drawing board is tightly attached to the top of the bottom board; the top surface of the second drawing board and the top surface of the first drawing board are on the same horizontal plane.
Preferably, the inside of first drawing board with the second drawing board all is provided with cavity intermediate layer and battery, align to grid has a plurality of light bar, a plurality of in the cavity intermediate layer light bar with the battery electricity is connected, first drawing board with the lateral wall of second drawing board be provided with the control switch that the battery electricity is connected, first drawing board with the second drawing board all sets up to the ya keli board.
Preferably, two one sides that the second drawing board is close to each other are provided with the inserted block respectively and with the slot of inserted block looks adaptation, the inserted block slides and sets up one of them the lateral wall of second drawing board.
Preferably, the bottom of the bottom supporting plate is in sliding connection with two opposite inner side walls of the supporting plate through pin shafts, the shape of the bottom supporting plate is matched with the inner cavity of the supporting plate, and the thickness of the bottom supporting plate is equal to that of the supporting plate; when the bottom support plate slides to the bottom, the bottom support plate and the support plate are integrally of a plate-shaped structure.
Preferably, the connecting rod comprises an inner rod and an outer rod in sliding fit with the inner rod, a plurality of positioning balls are arranged on the outer side wall of the inner rod along the length direction, and the positioning balls are elastically connected inside the inner rod through springs; the side wall of the outer rod is provided with a plurality of positioning holes corresponding to the positioning balls in size and position.
Preferably, the bottom of the first drawing board is provided with a plurality of clamping grooves matched with the top structure of the bottom supporting board
Preferably, the top of the two bottom plates is provided with a storage groove.
Preferably, two drawing boards are provided with drawing paper clips.
Preferably, the bottom of the bracing plate is provided with a non-slip pad.
Compared with the prior art, the invention has the beneficial effects that:
(1) the two second drawing boards are adjustable in inclination angle, so that the neck of a plotter can be prevented from being sore in the long-time drawing process, and convenience is brought to the plotter.
(2) Two first drawing boards have not only increased drawing device's drawing area, and have also increased this drawing device's bottom stability with bottom sprag board's cooperation use.
(3) After folding, the volume is small, and the user can conveniently move the position of the drawing device.
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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a drawing apparatus for mathematical modeling according to an embodiment of the present invention;
FIG. 2 is a rear view of a drawing apparatus for mathematical modeling according to an embodiment of the present invention;
FIG. 3 is a side view of a drawing apparatus for mathematical modeling in accordance with an embodiment of the present invention;
FIG. 4 is a top view of a drawing apparatus for mathematical modeling in accordance with an embodiment of the present invention;
FIG. 5 is a partial structural view of a stripe-shaped groove of a drawing apparatus for mathematical modeling according to an embodiment of the present invention;
FIG. 6 is a partial structural view of a connection rod of a drawing apparatus for mathematical modeling according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a drawing device for mathematical modeling after being folded according to an embodiment of the present invention.
Description of reference numerals:
1-a bottom plate; 11-a knob; 12-a threaded rod; 13-a storage groove; 14-pin shaft seat; 15-a receiving groove; 16-a strip-shaped groove; 2-a first drawing board; 3-a second drawing board; 31-a connecting rod; 32-an insert block; 33-figure paper clip; 34-an inner rod; 35-outer pole; 36-positioning balls; 4-bracing plate; 41-bottom support plate; 43-sliding bar.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 7, the present invention provides a drawing device for mathematical modeling, which includes two bottom plates 1, wherein one side of each of the two bottom plates 1, which is close to each other, is hinged through a hinge, and the other side of each of the two bottom plates 1, which is far from each other, is hinged with a first drawing board 1, the first drawing board 1 can adjust the hinge angle according to the use requirement, and can be laid flat to increase the use size of the drawing board, and also can be adjusted to a position perpendicular to the two bottom plates 1 to increase the overall bottom stability of the drawing device.
Further, the top surface left and right sides of two bottom plates 1 all is provided with strip groove 16, all be provided with two strip grooves 16 on every bottom plate 1 in this embodiment, strip groove 16 extends to the middle part position of bottom plate 1 from the position department that bottom plate 1 is close to the side along the hinge direction, be provided with threaded rod 12 in the strip groove 16, the position department that 1 lateral wall of bottom plate corresponds threaded rod 12 is provided with knob 11, threaded rod 12 wears out the outside and the 11 fixed connection of knob of bottom plate 1, the other end of threaded rod 12 is connected with the inner wall rotation in strip groove 16, thereby the realization comes to rotate threaded rod 12 through the knob of lateral wall.
Further, threaded connection has round pin axle seat 14 on threaded rod 12, that is to say all is provided with two round pin axle seats 14 on every bottom plate 1, still is provided with second drawing board 3 on every bottom plate 1, and the bottom of second drawing board 3 articulates between two round pin axle seats 14 about through the round pin axle to two threaded rods 12 that correspond are adjusted through controlling two knobs 11, and then adjust the degree of inclination of two round pin axle seats 14's position and second drawing board 3.
Further, the bottom surface of two second drawing boards 3 all articulates there is telescopic connecting rod 31, it accomodates groove 15 to have seted up on the top surface of bottom plate 1, the other end of connecting rod 31 is articulated with the inside wall of accomodating groove 15, when adjusting second drawing board 3 to the horizontality through knob 11, connecting rod 31 still just in time is arranged in and accomodates groove 15, second drawing board 3 just covers bottom plate 1 and second drawing board 3's bottom and bottom plate 1's top and closely laminates simultaneously, and the top surface of second drawing board 3 is same horizontal plane with the top surface of adjusting to the first drawing board 2 that is the horizontality, two first drawing boards 2 and two second drawing boards 3 whole are same horizontal plane this moment, drawing device's whole drawing area has been increased.
Further, the connecting rod 31 includes interior pole 34 and with interior pole 34 sliding fit's outer pole 35, the lateral wall of interior pole 34 is provided with a plurality of location ball 36 along length direction, it is concrete, location ball 36 passes through spring elastic connection in the inside of interior pole 34, the lateral wall of outer pole 35 is provided with the locating hole corresponding with a plurality of location ball 36 size position, when two second drawing boards 3 are the tilt state, the cooperation of location ball 36 and locating hole makes the connecting rod 31 of second drawing board 3 bottom can realize fine fixed action, can adjust the inclination of two second drawing boards 13 through knob 11 simultaneously, connecting rod 31 also can be according to the holistic flexible length of inclination's change free adjustment, two second drawing boards 3 stability at the drawing in-process has been increased, better drawing environment is provided.
Furthermore, the first drawing board 2 and the second drawing board 3 are red and only have a hollow interlayer and a storage battery, wherein a plurality of light-emitting lamp bars are uniformly arranged in the hollow interlayer, the storage battery supplies power for the light-emitting lamp bars, and the outer side walls of the first drawing board 2 and the second drawing board 3 are both provided with a control switch and a charging port which are electrically connected with the storage battery, which are not shown in the drawing; control switch is used for controlling the luminous degree of light emitting strip, and the mouth that charges is used for the battery power supply, and second drawing board 3 all set up to the light guide plate simultaneously, then set up to the ya keli board in this embodiment, even under the environment of comparison dark, also can make things convenient for the person of drawing to operate and use.
Further, the two second drawing boards 3 are provided with the insert 32 and the slot that matches with the insert 32 on the side that is close to each other respectively, and the insert 32 slides and sets up the lateral wall that is close to another second drawing board 3 at one of them second drawing board 3, slides the insert 32 to the slot that corresponds during the use, couples together two second drawing boards 3 and uses.
Furthermore, the bottom of the two bottom plates 1 are hinged with supporting plates 4 with frame-shaped structures, the supporting plates 4 are matched with the bottom of the bottom plates 1 after being folded, rectangular through grooves are arranged in the supporting plates 4, bottom supporting plates 41 with matched sizes are arranged in the rectangular through grooves, the bottoms of the bottom supporting plates 41 are in sliding connection with two opposite inner side walls of the supporting plates 4 through pin shafts, the thickness of the bottom supporting plates 41 is equivalent to that of the supporting plates 4, when the bottom supporting plates 41 slide to the bottom, the bottom supporting plates 41 and the supporting plates 4 are integrally in plate-shaped structures, meanwhile, the bottoms of the two first drawing plates 2 are provided with a plurality of clamping grooves matched with the top structures of the bottom supporting plates 41, when the two first drawing plates 2 are used in a horizontal state, the two supporting plates 4 are adjusted to be at an angle vertical to the bottom plates 1, and the positions of the bottom supporting plates 41 are slid at the same time, the tops of the bottom supporting plates 41 are clamped in the clamping grooves corresponding to the bottoms of the first drawing plates 2, the integral matching realizes a firmer supporting function.
Further, two bottom plate 1's top has still been seted up and has been put thing groove 13 for place some drawing tools, be provided with drawing paper holder 33 on two second drawing boards 3, be used for pressing from both sides tight drawing paper at the drawing in-process, the bottom of fagging 4 is provided with the slipmat, reinforcing drawing device's bottom stability.
In this embodiment, the user can adjust the two first drawing boards 2 and the two second drawing boards 3 to the same horizontal state, prop the supporting plate 4 at the bottom of the bottom plate 1 open, slide the bottom supporting plate 41 arranged in the supporting plate 4 into the corresponding clamping groove, and then place the drawing paper on the horizontal plane for drawing; the user also can select to adjust two second drawing boards 3 to the degree of inclination that needs through knob 11, pack up the bottom sprag board 41 of both sides simultaneously, adjust left and right sides articulated first drawing board 1 to with bottom plate 1 vertically state, prevent the drawing paper on second drawing board 3 that has adjusted this moment, use drawing paper holder 33 to press from both sides tight drawing, fag plate 4 and the second drawing board 3 of bottom have played more firm bottom sprag effect, the luminous lamp strip of corresponding position also can be opened according to the user demand to concrete, thereby better drawing effect has been realized.
Furthermore, when the drawing device needs to be folded and transferred, the user needs to slide the connecting insert 32 into the second drawing board 3, adjust the two second drawing boards 3 to the horizontal state, then fold the supporting board 4 and the bottom supporting board 41 at the bottom of the bottom board 1 to the bottom of the bottom board 1, fold the first drawing boards 2 at the left and right sides onto the corresponding second drawing boards 3 respectively, and then fold the two bottom boards 1 again, thereby integrally folding the whole drawing device, and ensuring the volume of the drawing device
The drawing device is smaller, and the user can conveniently move the position of the drawing device.
The above-mentioned embodiments only express one embodiment of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (10)
1. The drawing device for mathematical modeling is characterized by comprising two bottom plates (1) which are hinged with each other, wherein the other sides of the two bottom plates (1) are hinged with first drawing plates (2);
strip-shaped grooves (16) are formed in the left side and the right side of the top surfaces of the two bottom plates (1), and threaded rods (12) are arranged in the strip-shaped grooves (16); a knob (11) is arranged on the outer side wall of the bottom plate (1) at a position corresponding to the threaded rod (12); one end of the threaded rod (12) penetrates through one end of the strip-shaped groove (16) and is fixedly connected with the knob (11), and the other end of the threaded rod is rotatably connected with the other end of the strip-shaped groove (16);
the threaded rod (12) is in threaded connection with pin shaft seats (14), the two bottom plates (1) are respectively provided with a second drawing board (3), and one side of each of the two second drawing boards (3) is hinged between the left pin shaft seat and the right pin shaft seat (14) at the corresponding positions through a pin shaft; the bottom surfaces of the two second drawing boards (3) are hinged with telescopic connecting rods (31), and the other ends of the connecting rods (31) are hinged with the top surface of the bottom plate (1);
every the bottom of bottom plate (1) all articulates fagging (4) that have frame type structure, fagging (4) have bottom sprag board (41) along two relative inside wall sliding connection of vertical direction.
2. The drawing apparatus for mathematical modeling according to claim 1, wherein a storage groove (15) is formed at the top of each of the two bottom plates (1), and the other end of the connecting rod (31) is hinged to the inner side wall of the storage groove (15);
when the second drawing board (3) is in a horizontal state, the connecting rod (31) is arranged in the accommodating groove (15); the size of the second drawing board (3) is equal to that of the bottom board (1), and the bottom of the second drawing board (3) is tightly attached to the top of the bottom board (1); the top surface of the second drawing board (3) and the top surface of the first drawing board (2) are on the same horizontal plane.
3. The drawing apparatus for mathematical modeling according to claim 1, wherein a hollow interlayer and a storage battery are disposed inside each of the first drawing board (2) and the second drawing board (3), a plurality of light bars are uniformly arranged in the hollow interlayer, the plurality of light bars are electrically connected to the storage battery, a control switch and a charging port electrically connected to the storage battery are disposed on an outer sidewall of each of the first drawing board (2) and the second drawing board (3), and each of the first drawing board (2) and the second drawing board (3) is configured as an acrylic board.
4. The drawing apparatus for mathematical modeling according to claim 1, wherein the two second drawing boards (3) are provided with an insert (32) and a slot adapted to the insert (32) on the sides adjacent to each other, and the insert (32) is slidably provided on the side wall of the one of the second drawing boards (3).
5. The drawing apparatus for mathematical modeling according to claim 1, wherein the bottom of the bottom support plate (41) is slidably connected to the two opposite inner side walls of the supporting plate (4) by pins, the bottom support plate (41) has a shape adapted to the inner through grooves of the supporting plate (4), and the thickness of the bottom support plate (41) is equivalent to the thickness of the supporting plate (4); when the bottom supporting plate (41) slides to the bottom, the bottom supporting plate (41) and the supporting plate (4) are integrally of a plate-shaped structure.
6. The drawing device for mathematical modeling according to claim 1, wherein the connecting rod (31) comprises an inner rod (34) and an outer rod (35) which is in sliding fit with the inner rod (34), the outer side wall of the inner rod (34) is provided with a plurality of positioning balls (36) along the length direction, and the positioning balls (36) are elastically connected inside the inner rod (34) through springs; the side wall of the outer rod (35) is provided with positioning holes corresponding to the size and the position of the plurality of positioning balls (36).
7. The drawing apparatus for mathematical modeling according to claim 1, wherein the bottom of the first drawing board (2) is provided with a plurality of locking grooves adapted to the top structure of the bottom support plate (41).
8. The drawing apparatus for mathematical modeling according to claim 1, wherein the top of each of the two bottom plates (1) is provided with a storage compartment (13).
9. The drawing apparatus for mathematical modeling according to claim 1, wherein both of said second drawing boards (3) are provided with drawing clips (33).
10. A plotting apparatus for mathematical modelling according to claim 1, characterised in that the bottom of the spreader plate (4) is provided with non-slip pads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110861469.4A CN113413015B (en) | 2021-07-29 | 2021-07-29 | Drawing device for mathematical modeling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110861469.4A CN113413015B (en) | 2021-07-29 | 2021-07-29 | Drawing device for mathematical modeling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113413015A true CN113413015A (en) | 2021-09-21 |
| CN113413015B CN113413015B (en) | 2023-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110861469.4A Active CN113413015B (en) | 2021-07-29 | 2021-07-29 | Drawing device for mathematical modeling |
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| Country | Link |
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| CN (1) | CN113413015B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113708264A (en) * | 2021-09-30 | 2021-11-26 | 广东电网有限责任公司东莞供电局 | Foldable insulating baffle device for high-voltage switch cabinet |
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| CN113708264A (en) * | 2021-09-30 | 2021-11-26 | 广东电网有限责任公司东莞供电局 | Foldable insulating baffle device for high-voltage switch cabinet |
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| Publication number | Publication date |
|---|---|
| CN113413015B (en) | 2023-04-18 |
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