CN220808978U - Curve drawing device - Google Patents

Abstract

The utility model discloses a curve drawing device, which relates to the technical field of teaching aids and comprises a movable seat, wherein an auxiliary mechanism is arranged at the top of the movable seat, a quick drawing mechanism is arranged on one side of the auxiliary mechanism, the auxiliary mechanism comprises a sliding rail A, a slot is formed in one side of the sliding rail A, a sliding block A is connected in a sliding manner in the sliding rail A, a threaded column penetrating through the slot is welded on one side of the sliding block A, a nut is connected to the threaded column, a telescopic rod is fixedly connected to one side of the sliding block A, one end of the telescopic rod, far away from the sliding block A, is fixedly connected with a sliding rail B, and the curve drawing device, and through a limiting frame and a plurality of classical curve drawing modules in a storage box, a teacher can quickly draw a required curve graph, so that the difficulty of drawing the graph is effectively reduced, the accuracy of the graph is ensured, the teacher is prevented from holding a drawing tool for a long time, and the burden of the teacher's arm is reduced.

Description

Curve drawing device

Technical Field

The utility model relates to the technical field of teaching aids, in particular to a curve drawing device.

Background

In mathematical education nowadays, a teacher draws a graph on a blackboard for the convenience of understanding and teaching of students, and a curve is one of important contents in the mathematics subjects, so that the teacher is also indispensable to drawing the graph, and the same is true in high numbers.

The higher mathematics graph is higher in drawing difficulty due to the problems of angles, complexity and the like, although most of classical graphs used in teaching are still difficult to draw by more teachers, the accuracy of the graph drawn by the teacher cannot be guaranteed, and part of students cannot understand the learned content well due to the difference between the graph and the teaching content.

Therefore, it is necessary to provide a curve plotting apparatus to solve the above-mentioned problems.

Disclosure of utility model

The present utility model is directed to a curve plotting apparatus, which solves the above-mentioned problems in the prior art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the curve drawing device comprises a movable seat, wherein an auxiliary mechanism is arranged at the top of the movable seat, and a quick drawing mechanism is arranged at one side of the auxiliary mechanism;

The auxiliary mechanism comprises a sliding rail A, a slot is formed in one side of the sliding rail A, a sliding block A is connected to the sliding rail A in a sliding manner, a threaded column penetrating through the slot is welded on one side of the sliding block A, a nut is connected to the threaded column in a threaded manner, a telescopic rod is fixedly connected to one side of the sliding block A and is far away from one end of the sliding block A, a sliding rail B is connected to the sliding rail B in a sliding manner, an extension column is welded on one side of the sliding block B, the quick drawing mechanism comprises a limit frame welded on the extension column, a storage box is arranged at the top of the movable seat, a plurality of curve drawing modules are arranged in the storage box, a drawing assembly is arranged in the storage box, and the curve drawing module or the drawing assembly can be movably connected to the middle of the limit frame.

Optionally, two symmetrical frame bodies are welded at two ends of the limiting frame respectively, and suction cups are fixedly connected to the middle parts of the four frame bodies respectively.

Optionally, the drawing subassembly includes two symmetrical plate bodies, and the middle part of two plate bodies is fixedly connected with rope body respectively, and the equal fixedly connected with fixed block in one side that the plate body was kept away from to two rope bodies, and ruler, protractor and hole chi have been cup jointed respectively to the middle part of fixed block.

Optionally, the top welding of moving the seat has the counter weight post, moves the seat and passes through the counter weight post and connect slide rail A.

Optionally, a handle is welded at the bottom of the nut.

Optionally, hole slots are respectively formed on two sides of the curve drawing modules.

Compared with the prior art, the utility model provides a curve drawing device, which has the following beneficial effects:

1. According to the curve drawing device, through the limiting frame and the plurality of classical curve drawing modules in the storage box, a teacher can quickly draw required curve graphs, so that the difficulty of the teacher in drawing the curve graphs is effectively reduced, the accuracy of the curve is ensured, meanwhile, the problem that the teacher holds drawing tools for a long time is solved, and the burden of the arms of the teacher is reduced.

2. According to the curve drawing device, through independent use and matched use of the straight ruler, the hole ruler and the protractor in the drawing assembly, a teacher can draw more curves through the device, and therefore the utilization rate of the device is effectively improved.

Drawings

FIG. 1 is a schematic diagram of a three-dimensional structure of a curve plotting apparatus according to the present utility model;

FIG. 2 is a schematic diagram of a speed drawing mechanism of the curve drawing device of the present utility model;

FIG. 3 is a schematic diagram of an auxiliary mechanism in the curve plotting apparatus of the present utility model;

FIG. 4 is a schematic diagram of a drawing assembly of the curve drawing device of the present utility model.

In the figure: 1. a movable seat; 2. a weight column; 3. an auxiliary mechanism; 4. a quick drawing mechanism; 5. a storage box; 6. a limit frame; 7. a curve drawing module; 8. a hole groove; 9. a frame body; 10. a suction cup; 11. a sliding rail A; 12. a sliding block A; 13. slotting; 14. a threaded column; 15. a nut; 16. a grip; 17. a telescopic rod; 18. a sliding rail B; 19. a sliding block B; 20. an extension column; 21. a drawing component; 22. a plate body; 23. a rope body; 24. a fixed block; 25. a ruler; 26. an angle gauge; 27. a hole ruler.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The technical features of the different embodiments of the utility model described below may be combined with one another as long as they do not conflict with one another.

Example 1

Referring to fig. 1-4, an embodiment of the present application provides a curve drawing device, which includes a movable seat 1, an auxiliary mechanism 3 is disposed at the top of the movable seat 1, a quick drawing mechanism 4 is disposed at one side of the auxiliary mechanism 3, the auxiliary mechanism 3 includes a sliding rail a11, a slot 13 is disposed at one side of the sliding rail a11, a sliding block a12 is slidably connected to an inside of the sliding rail a11, a threaded column 14 penetrating through the slot 13 is welded at one side of the sliding block a12, a nut 15 is screwed on the threaded column 14, a telescopic rod 17 is fixedly connected to one side of the sliding block a12, a sliding rail B18 is fixedly connected to one end of the telescopic rod 17 far from the sliding block a12, a sliding block B19 is slidably connected to an inside of the sliding rail B18, an extension column 20 is welded at one side of the sliding block B19, the quick drawing mechanism 4 includes a limit frame 6 welded on the extension column 20, a storage box 5 is disposed at the top of the movable seat 1, a plurality of curve drawing modules 7 are disposed inside the storage box 5, a drawing component 21 is disposed inside the storage box 5, and a middle part of the limit frame 6 is movably connected to the curve drawing module 7 or the drawing component 21.

When the device is used, the device is moved to one side close to a blackboard through the moving seat 1, then the sliding block A12 is pushed, the sliding block A12 vertically moves along the sliding rail A11, after the limiting frame 6 is moved to a proper height, the nut 15 is rotated on the threaded column 14, and the nut 15 is clamped on one side of the sliding rail A11, so that the sliding rail A11 cannot slide. Then pulling telescopic link 17, remove the proper position with spacing frame 6, promote slider B19 again, make its lateral shifting in slide rail B18, make spacing frame 6 paste the blackboard tightly, then take out required curve drawing module 7 from the storage box 5 in, use the chalk to draw required curve graph along the shape of curve drawing module 7 on the blackboard fast, this effectual degree of difficulty when having reduced the mr and drawing the graph, guaranteed the accuracy of graph line, reduced the burden that the long-time handheld drawing tool of mr brought the arm simultaneously.

Referring to fig. 4, further, two symmetrical frame bodies 9 are welded at two ends of the limiting frame 6, and suction cups 10 are fixedly connected to the middle parts of the four frame bodies 9. When the old master can draw with great force through the sucker 10, the limiting frame 6 cannot shake along with the old master, and the drawing accuracy is further guaranteed.

Referring to fig. 1, further, a weight post 2 is welded on top of the movable seat 1, and the movable seat 1 is connected to a sliding rail a11 through the weight post 2. Through the weight column 2, the core stability of the device is increased, and the device is prevented from being carried upside down when someone pulls the limit frame 6, so that the safety of the device is increased.

Further, as shown in fig. 3, a grip 16 is welded to the bottom of the nut 15. It is more convenient to push the slider a12 by the grip 16 or to clamp the nut 15 to the slide rail a 11. This allows for more convenient use of the device.

Referring to fig. 2, further, holes 8 are formed on two sides of the curve drawing modules 7. The curve drawing module 7 is more convenient to take through the hole groove 8, and meanwhile the possibility of damage to the curve drawing module 7 caused by the fact that the curve drawing module 7 is broken by hands and falls to the ground is reduced.

Example two

Referring to fig. 4, the present embodiment is further limited to the above embodiment, the drawing assembly 21 includes two symmetrical plates 22, the middle parts of the two plates 22 are respectively and fixedly connected with a rope 23, one sides of the two ropes 23 far away from the plates 22 are respectively and fixedly connected with a fixing block 24, and the middle parts of the fixing blocks 24 are respectively sleeved with a ruler 25, a protractor 26 and a hole ruler 27.

When a teacher needs to draw other drawings, the drawing component 21 is placed in the limit frame 6, the two ropes 23 are tightened through the two plate bodies 22, the fixing block 24 is tightened at the same time, the teacher can draw a straight line through the ruler 25, concentric circles with different sizes are drawn through holes arranged on the hole ruler 27 by placing chalks into the holes, and meanwhile, a triangle with a proper angle can be drawn through the ruler 25, the hole ruler 27 and the protractor 26. The break points of the graph can be effectively reduced through the small rope body 23, so that the graph can be more complete. The device has the capability of drawing other graphs through the drawing component 21, so that a teacher can draw more graphs through the device, and the utilization rate of the device is effectively improved.

The utility model is used when in use:

Firstly, the device is moved to one side close to a blackboard through the moving seat 1, then the handle 16 is pushed to enable the sliding block A12 to vertically move along the sliding rail A11, after the limiting frame 6 is moved to a proper height, the handle 16 is rotated to enable the nut 15 to rotate on the threaded column 14, and the nut 15 is enabled to clamp one side of the sliding rail A11, so that the sliding rail A11 cannot slide.

Then the telescopic rod 17 is pulled to move the limit frame 6 to a proper position, and the slide block B19 is pushed to move transversely in the slide rail B18, so that the limit frame 6 is tightly attached to the blackboard.

The required curve drawing module 7 is then taken out of the storage box 5, and a required curve pattern is quickly drawn on the blackboard along the shape of the curve drawing module 7 by using chalk.

Finally, when the teacher needs to draw other drawings, the drawing assembly 21 is placed in the limit frame 6, and different drawings are drawn through the independent use or cooperation of the ruler 25, the hole ruler 27 and the protractor 26.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A curve drawing device comprising a mobile seat (1), characterized in that: an auxiliary mechanism (3) is arranged at the top of the movable seat (1), and a quick drawing mechanism (4) is arranged at one side of the auxiliary mechanism (3);

The auxiliary mechanism (3) comprises a sliding rail A (11), a slot (13) is formed in one side of the sliding rail A (11), a sliding block A (12) is connected to one side of the sliding rail A (11) in a sliding manner, a threaded column (14) penetrating through the slot (13) is welded on one side of the sliding block A (12), a nut (15) is connected to the threaded column (14) in a threaded manner, a telescopic rod (17) is fixedly connected to one side of the sliding block A (12), one end of the telescopic rod (17) away from the sliding block A (12) is fixedly connected with a sliding rail B (18), a sliding block B (19) is connected to the inner portion of the sliding rail B (18) in a sliding manner, an extension column (20) is welded on one side of the sliding block B (19), the quick drawing mechanism (4) comprises a limit frame (6) welded on the extension column (20), a storage box (5) is arranged at the top of the moving seat (1), a plurality of curve modules (7) are arranged in the storage box (5), a drawing assembly (21) are arranged in the storage box (5), and the middle of the limit frame (6) is movably connected with the curve modules (7) or the drawing assembly (21).

2. A curve plotting apparatus according to claim 1, characterized in that: two symmetrical frame bodies (9) are welded at two ends of the limiting frame (6) respectively, and sucking discs (10) are fixedly connected to the middle parts of the four frame bodies (9) respectively.

3. A curve plotting apparatus according to claim 1, characterized in that: drawing subassembly (21) include two symmetrical plate bodies (22), and the middle part of two plate bodies (22) is fixedly connected with rope body (23) respectively, and one side that plate body (22) were kept away from to two rope bodies (23) is all fixedly connected with fixed block (24), and ruler (25), protractor (26) and hole chi (27) have been cup jointed respectively at the middle part of fixed block (24).

4. A curve plotting apparatus according to claim 1, characterized in that: the top of the movable seat (1) is welded with a counterweight column (2), and the movable seat (1) is connected with a sliding rail A (11) through the counterweight column (2).

5. A curve plotting apparatus according to claim 1, characterized in that: the bottom of the nut (15) is welded with a handle (16).

6. A curve plotting apparatus according to claim 1, characterized in that: and the two sides of the curve drawing modules (7) are respectively provided with a hole groove (8).