阅读说明：本技术 一种数学建模用绘图装置 (Drawing device for mathematical modeling ) 是由 刘俊 罗红英 于 2020-12-22 设计创作，主要内容包括：本发明涉及数学建模装置技术领域,具体涉及一种数学建模用绘图装置,包括固定底板,固定底板的顶部设有前后对称的两个第一伸缩杆,第一伸缩杆的顶部设有第二伸缩杆,第二伸缩杆的顶部设有第三伸缩杆,第一伸缩杆、第三伸缩杆均与第二伸缩杆滑动连接,两个第三伸缩杆的顶端设有连接板,连接板转动连接有绘图固定板,绘图固定板的四角处设有固定组件,绘图固定板内设有联动组件,第三伸缩杆的底部转动连接有支撑调节杆；本发明设置了联动组件,通过向内推动推杆,就能够带动四个角的扣压杆同时转动,从而压紧图纸的四个角,对图纸进行稳定的固定,不要逐个对图纸的四角进行固定,固定方式简单且快速。(The invention relates to the technical field of mathematical modeling devices, in particular to a drawing device for mathematical modeling, which comprises a fixed bottom plate, wherein the top of the fixed bottom plate is provided with two first telescopic rods which are symmetrical front and back, the top of each first telescopic rod is provided with a second telescopic rod, the top of each second telescopic rod is provided with a third telescopic rod, the first telescopic rods and the third telescopic rods are both connected with the second telescopic rods in a sliding manner, the top ends of the two third telescopic rods are provided with connecting plates, the connecting plates are rotatably connected with drawing fixed plates, four corners of each drawing fixed plate are provided with fixed assemblies, linkage assemblies are arranged in the drawing fixed plates, and the bottoms of the third telescopic rods are rotatably; according to the invention, the linkage assembly is arranged, and the buckling and pressing rods at the four corners can be driven to rotate simultaneously by pushing the push rod inwards, so that the four corners of the drawing are pressed tightly, the drawing is stably fixed without fixing the four corners of the drawing one by one, and the fixing mode is simple and rapid.)

1. A drawing device for mathematical modeling, comprising a fixed base plate (1), characterized in that: two first telescopic links (2) of symmetry around being equipped with at the top of PMKD (1), the top of first telescopic link (2) is equipped with second telescopic link (3), the top of second telescopic link (3) is equipped with third telescopic link (4), first telescopic link (2), third telescopic link (4) all with second telescopic link (3) sliding connection, two the top of third telescopic link (4) is equipped with the connecting plate, and the connecting plate rotates and is connected with drawing fixed plate (5), the four corners department of drawing fixed plate (5) is equipped with fixed subassembly (9), be equipped with linkage subassembly (8) in drawing fixed plate (5), the bottom of third telescopic link (4) is rotated and is connected with support regulation pole (10), support the other end of adjusting pole (10) and drawing fixed plate (5) both sides sliding connection around.

2. A plotting apparatus for mathematical modeling as set forth in claim 1, wherein: linkage subassembly (8) include horizontally slide bar (801), slide bar (801) are located drawing fixed plate (5), the equal sliding connection in both ends of slide bar (801) has first sliding sleeve (802), first sliding sleeve (802) articulate there is catch bar (803), two the other end of catch bar (803) articulates jointly has push rod (804), outside drawing fixed plate (5) was stretched out to the other end of push rod (804), two the outer end of first sliding sleeve (802) is fixed with two telescopic links (805), the four corners department of drawing fixed plate (5) all is equipped with short slide bar (806), sliding connection has second sliding sleeve (807) on short slide bar (806), be fixed with the connecting rod on second sliding sleeve (807), telescopic link (805) are articulated with the connecting rod.

3. A plotting apparatus for mathematical modeling as set forth in claim 2, wherein: the drawing and fixing device is characterized in that a push-pull handle (13) is fixed at the outer end of the short sliding rod (806), clamping balls (6) are arranged on two sides of the push-pull handle (13), and clamping grooves are formed in the positions, corresponding to the clamping balls (6), of the bottom of the drawing and fixing plate (5).

4. A plotting apparatus for mathematical modeling as set forth in claim 1, wherein: the fixing component (9) comprises a buckling and pressing rod (901), the middle of the buckling and pressing rod (901) is hinged to the four corners of the drawing fixing plate (5), the outer end of the buckling and pressing rod (901) is hinged to a push-pull rod (902), and the other end of the push-pull rod (902) is hinged to a second sliding sleeve (807).

5. A plotting apparatus for mathematical modeling as set forth in claim 4, wherein: the bottom of the inner end of the buckling and pressing rod (901) is provided with anti-skid grains.

6. A plotting apparatus for mathematical modeling as set forth in claim 1, wherein: the drawing device is characterized in that sliding grooves (11) are formed in the front side and the rear side of the drawing fixing plate (5), a sliding block (12) is hinged to the top end of the supporting and adjusting rod (10), and the sliding block (12) is in sliding connection with the sliding grooves (11).

7. A plotting apparatus for mathematical modeling as set forth in claim 1, wherein: the sliding block (12) is provided with a bolt, and the sliding groove (11) is internally provided with a plurality of screw holes matched with the bolt.

8. A plotting apparatus for mathematical modeling as set forth in claim 1, wherein: the bottom of second telescopic link (3) and third telescopic link (4) all is equipped with spacing slide bar (7), two spacing slide bar (7) slide respectively and run through second telescopic link (3) and third telescopic link (4), and with second telescopic link (3) and third telescopic link (4) between be equipped with the spring, be equipped with a plurality of spacing holes on first telescopic link (2) and second telescopic link (3).

Technical Field

The invention relates to the technical field of mathematical modeling devices, in particular to a drawing device for mathematical modeling.

Background

The mathematical model is a simulation, which is an abstract and concise description of the essential attributes of the actual subject by using mathematical symbols, mathematical formulas, programs, graphs and the like, and can explain certain objective phenomena, predict future development rules, or provide an optimal strategy or a better strategy in a certain sense for controlling the development of a certain phenomenon, and a drawing device is usually required in the process of mathematical modeling.

If patent number CN211138808U discloses a drawing device for mathematical modeling, including the tripod, the mathematical modeling drawing board is installed to the preceding terminal surface of tripod, the preceding terminal surface of mathematical modeling drawing board is provided with square drawing paper groove, the surface of mathematical modeling drawing board is provided with the bar groove, four drawing paper clips are installed in the outside of mathematical modeling drawing board, spacing button is installed to the preceding terminal surface of drawing paper clip, spacing post is installed to the rear end face of spacing button, the roof is installed to the one end of spacing post, square limiting plate is installed to the upper and lower terminal surface of spacing post, a spring is installed to the preceding terminal surface of square limiting plate, the outside of a spring is provided with the bar spacing groove, the ruler is installed in the place ahead in square drawing paper groove, two C type stoppers are installed in the outside. The utility model has simple use, convenient operation, convenient fixation of the mathematical modeling drawing paper and high modeling accuracy,

however, when the device is used for fixing the drawing, the four corners of the drawing need to be fixed one by screwing the limiting button, and the fixing mode is too complicated.

Based on the above, the invention designs a drawing device for mathematical modeling to solve the above problems.

Disclosure of Invention

The present invention is directed to a drawing device for mathematical modeling, which solves the problems of the related art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a drawing device for mathematical modeling, including PMKD, two first telescopic links of symmetry around PMKD's top is equipped with, the top of first telescopic link is equipped with the second telescopic link, the top of second telescopic link is equipped with the third telescopic link, first telescopic link, the third telescopic link all with second telescopic link sliding connection, the top of two third telescopic links is equipped with the connecting plate, the connecting plate rotates and is connected with the drawing fixed plate, the four corners department of drawing fixed plate is equipped with fixed subassembly, be equipped with the linkage subassembly in the drawing fixed plate, the bottom of third telescopic link is rotated and is connected with the support and adjusts the pole, both sides sliding connection around the other end of support regulation pole and the drawing fixed plate.

Further, the linkage subassembly includes the horizontally slide bar, the slide bar is located the fixed plate of drawing, the equal sliding connection in both ends of slide bar has first sliding sleeve, first sliding sleeve articulates there is the catch bar, the other end of two catch bars articulates jointly has the push rod, the other end of push rod stretches out outside the fixed plate of drawing, the outer end of two first sliding sleeves is fixed with two telescopic links, the four corners department of fixed plate of drawing all is equipped with short slide bar, sliding connection has the second sliding sleeve on the short slide bar, be fixed with the connecting rod on the second sliding sleeve, the telescopic link is articulated with the connecting rod.

Furthermore, a push-pull handle is fixed at the outer end of the short slide bar, clamping balls are arranged on two sides of the push-pull handle, and clamping grooves are formed in the positions, corresponding to the clamping balls, of the bottom of the drawing fixing plate.

Furthermore, the fixing assembly comprises a buckling and pressing rod, the middle of the buckling and pressing rod is hinged to the four corners of the drawing fixing plate, the outer end of the buckling and pressing rod is hinged to a push-pull rod, and the other end of the push-pull rod is hinged to the second sliding sleeve.

Furthermore, the bottom of the inner end of the buckling and pressing rod is provided with anti-skid grains.

Furthermore, the front side and the rear side of the drawing fixing plate are provided with sliding grooves, the top end of the supporting and adjusting rod is hinged with a sliding block, and the sliding block is connected with the sliding grooves in a sliding mode.

Furthermore, a bolt is arranged on the sliding block, and a plurality of screw holes matched with the bolt are arranged in the sliding groove.

Furthermore, the bottoms of the second telescopic rod and the third telescopic rod are respectively provided with a limiting slide bar, the two limiting slide bars respectively slide to penetrate through the second telescopic rod and the third telescopic rod, a spring is arranged between the two limiting slide bars and the second telescopic rod and the third telescopic rod, and a plurality of limiting holes are formed in the first telescopic rod and the second telescopic rod.

Compared with the prior art, the invention has the beneficial effects that: according to the invention, the linkage assembly is arranged, the push rod is pushed inwards, the push rod drives the telescopic rod to move outwards, the telescopic rod drives the second sliding sleeve to slide outwards on the short sliding rod, so that the buckling and pressing rods at the four corners are driven to rotate simultaneously, the four corners of a drawing are pressed tightly, the drawing is stably fixed, the four corners of the drawing do not need to be fixed one by one, and the fixing mode is simple and quick; the height of the device can be quickly adjusted through the first telescopic rod, the second telescopic rod and the third telescopic rod; the angle of the drawing fixing plate can be quickly adjusted through the supporting and adjusting rod.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the internal structure of the fixing plate for drawing according to the present invention;

FIG. 3 is a schematic view of the buckling rod in a tilted state according to the present invention;

FIG. 4 is a schematic view of the buckling state of the buckling rod according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. fixing the bottom plate; 2. a first telescopic rod; 3. a second telescopic rod; 4. a third telescopic rod; 5. a drawing fixing plate; 6. clamping the ball; 7. a limiting slide bar; 8. a linkage assembly; 801. a slide bar; 802. a first sliding sleeve; 803. a push rod; 804. a push rod; 805. a telescopic rod; 806. a short slide bar; 807. a second sliding sleeve; 9. a fixing assembly; 901. buckling and pressing the rod; 902. a push-pull rod; 10. supporting the adjusting rod; 11. a chute; 12. a slider; 13. push-pull handle.

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. 1-4, the present invention provides a technical solution: 1. the utility model provides a drawing device for mathematical modeling, including PMKD 1, two first telescopic links 2 of symmetry around PMKD 1's top is equipped with, the top of first telescopic link 2 is equipped with second telescopic link 3, the top of second telescopic link 3 is equipped with third telescopic link 4, first telescopic link 2, third telescopic link 4 all with 3 sliding connection of second telescopic link, the top of two third telescopic links 4 is equipped with the connecting plate, the connecting plate rotates and is connected with drawing fixed plate 5, drawing fixed plate 5's four corners department is equipped with fixed subassembly 9, be equipped with linkage subassembly 8 in the drawing fixed plate 5, the bottom of third telescopic link 4 rotates and is connected with support regulation pole 10, support the other end of adjusting pole 10 and drawing fixed plate 5 both sides sliding connection around.

Linkage assembly 8 includes horizontally slide bar 801, slide bar 801 is located drawing fixed plate 5, the equal sliding connection in both ends of slide bar 801 has first sliding sleeve 802, first sliding sleeve 802 articulates there is catch bar 803, the other end of two catch bars 803 articulates jointly has push rod 804, the other end of push rod 804 stretches out outside drawing fixed plate 5, the outer end of two first sliding sleeves 802 is fixed with two telescopic links 805, the four corners department of drawing fixed plate 5 all is equipped with short slide bar 806, sliding connection has second sliding sleeve 807 on the short slide bar 806, be fixed with the connecting rod on the second sliding sleeve 807, telescopic link 805 is articulated with the connecting rod.

The outer end of the short slide bar 806 is fixed with a push-pull handle 13, the two sides of the push-pull handle 13 are provided with clamping balls 6, and the bottom of the drawing fixing plate 5 is provided with clamping grooves corresponding to the positions of the clamping balls 6.

The fixing component 9 comprises a buckling and pressing rod 901, the middle of the buckling and pressing rod 901 is hinged with the four corners of the drawing fixing plate 5, the outer end of the buckling and pressing rod 901 is hinged with a push-pull rod 902, and the other end of the push-pull rod 902 is hinged with the second sliding sleeve 807.

The bottom of the inner end of the buckling and pressing rod 901 is provided with anti-skid grains.

The front side and the rear side of the drawing fixed plate 5 are provided with sliding grooves 11, the top end of the supporting and adjusting rod 10 is hinged with a sliding block 12, and the sliding block 12 is in sliding connection with the sliding grooves 11.

The sliding block 12 is provided with a bolt, and the sliding groove 11 is internally provided with a plurality of screw holes matched with the bolt.

The bottom of second telescopic link 3 and third telescopic link 4 all is equipped with spacing slide bar 7, and two spacing slide bars 7 slide respectively and run through second telescopic link 3 and third telescopic link 4, and with be equipped with the spring between second telescopic link 3 and the third telescopic link 4, be equipped with a plurality of spacing holes on first telescopic link 2 and the second telescopic link 3.

One specific application of this embodiment is: the limiting slide bar 7 is pulled to enable the limiting slide bar 7 to be separated from the limiting hole, then the height of the device can be adjusted by pulling the second telescopic rod 3 and the third telescopic rod 4, after the adjustment is finished, the limiting slide bar 7 is loosened, and the limiting slide bar 7 enters the corresponding limiting hole, so that the device is kept stable;

the sliding block 12 slides in the sliding groove 11 to drive the drawing fixing plate 5 to rotate, so that the angle of the drawing fixing plate 5 is adjusted, and drawing is facilitated;

by laying the drawing paper on the surface of the drawing fixing plate 5, the four corners of the drawing are located at the bottom of the buckling rod 901, then the push rod 804 is pushed inwards, the push rod 804 drives the telescopic rod 805 to move outwards through the push rod 803, the telescopic rod 805 drives the second sliding sleeve 807 to slide outwards on the short sliding rod 806, the telescopic rod 805 also stretches and retracts, the second sliding sleeve 807 drives the buckling rods 901 at the four corners to rotate simultaneously through the push-pull rod 902, so that the four corners of the drawing are compacted, and the drawing is stably fixed.

The product model provided by the invention is only used according to the structural characteristics of the product, the product can be adjusted and modified after being purchased so as to be more matched and accord with the technical scheme of the invention, the product model is the best application technical scheme of the technical scheme, the product model can be replaced and modified according to the required technical parameters, and the product model is well known by the technical personnel in the field, so that the technical scheme provided by the invention can clearly obtain the corresponding use effect.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.