Linear equation plotter for secondary job mathematics

Abstract

The utility model relates to the technical field of teaching plotting instruments, and particularly discloses a linear equation plotting instrument for secondary vocational mathematics. The angle mechanism is connected to the exterior of the distance ruler; the adsorption mechanism is fixedly installed at the bottom end of the distance ruler, the adsorption mechanism comprises a suction cup, a bolt seat and a bolt cap, and the suction cup is arranged at the bottom end of the distance ruler; by means of the suction cup, the bolt base, the bolt cap and the distance ruler, when linear equation drawing is conducted, a teacher can place a drawing tool on a blackboard, the suction cup is pressed down by rotating the bolt cap, the drawing tool can be firmly sucked to the blackboard, and therefore the position is fixed. The drawing stability is improved, a teacher can operate the tool more easily, the tool does not need to be pressed by hands, and the tool can be used in the drawing process and explanation of teaching content in an all-centered mode.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of teaching drawing instrument, specifically relates to a middle school mathematics linear equation drawing instrument. BACKGROUND

[0002] Mathematics teaching drawing instrument is a kind of tool for helping teachers and students to carry out graphic display, symbol drawing and geometric construction in mathematics teaching, it can be traditional physical tool, such as ruler, compass, protractor, can also be modern electronic equipment.

[0003] In the teaching process, teachers often need to press these drawing tools by hand, keep its stability, to ensure the accuracy of drawing, this not only increases the tediousness of drawing, also limits the flexibility and operation efficiency of teachers, especially when drawing linear equation, teachers may need to constantly adjust the position of tool, even need to modify and redraw multiple times, this has certain influence on the fluency of classroom teaching. UTILITARY MODEL CONTENT

[0004] The utility model is to provide a kind of middle school mathematics linear equation drawing instrument to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of middle school mathematics linear equation drawing instrument, comprising:

[0007] Distance ruler;

[0008] Angle mechanism, the angle mechanism is connected at the outside of distance ruler;

[0009] Suction mechanism, the suction mechanism is fixedly installed at the bottom end of distance ruler, the suction mechanism includes suction cup, bolt seat and bolt cap, the suction cup is arranged at the bottom end of distance ruler, the top end of the suction cup is fixedly connected with bolt seat, the outside of the bolt seat is sleeved with bolt cap.

[0010] Preferably, the bolt cap is threadedly connected with bolt seat, the bolt seat is inserted in the inside of distance ruler, and the suction cup is a conical rubber suction disc.

[0011] Preferably, the outside of distance ruler is sleeved with limiting mechanism, and the limiting mechanism is provided with two.

[0012] Preferably, the angle mechanism includes protractor, first rotating rod and second rotating rod, the protractor is arranged at the outside of distance ruler, the outside of the protractor is sleeved with first rotating rod, and the outside of the first rotating rod is sleeved with second rotating rod.

[0013] Preferably, the first rotating rod is rotatably connected with the protractor, and distance scales are fixedly connected to one side of the outer sides of the first rotating rod and the second rotating rod.

[0014] Preferably, the limiting mechanism comprises a limiting plate, an inserting slot and an elastic spring, the limiting plate is sleeved on the outer side of the distance scale, the inserting slot is formed through the outer side of the limiting plate, the elastic spring is fixedly connected to the inner side wall of the inserting slot, and one side of the elastic spring is fixedly connected with an abutting plate.

[0015] Preferably, the abutting plate is elastically connected with the elastic spring, and a plurality of elastic springs are arranged on the inner side wall of the inserting slot.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] (1) The utility model discloses a distance scale for drawing straight line equation, which comprises a distance scale, a suction cup, a bolt seat, a bolt cap and a limiting mechanism, the distance scale is fixedly connected to the outer side of the distance scale, the suction cup is rotatably connected with the bolt seat, the bolt cap is rotatably connected with the bolt seat, and the limiting mechanism is arranged on the outer side of the distance scale.

[0018] (2) The utility model discloses a distance scale for drawing straight line equation, which comprises a distance scale, a suction cup, a bolt seat, a bolt cap and a limiting mechanism, the distance scale is fixedly connected to the outer side of the distance scale, the suction cup is rotatably connected with the bolt seat, the bolt cap is rotatably connected with the bolt seat, and the limiting mechanism is arranged on the outer side of the distance scale. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0020] Figure 2 It is a three-dimensional structure schematic view of the utility model; Figure 1 It is the structure overall schematic view of the angle mechanism in the utility model;

[0021] Figure 3 It is the structure overall schematic view of the angle mechanism in the utility model; Figure 1 It is the structure overall schematic view of the suction mechanism in the utility model;

[0022] Figure 4 It is the structure overall schematic view of the suction mechanism in the utility model; Figure 1 It is the structure overall schematic view of the suction mechanism in the utility model;

[0023] In the figure: 1, distance ruler; 2, angle mechanism; 201, protractor; 202, first rotating rod; 203, second rotating rod; 3, suction mechanism; 301, suction disc; 302, bolt seat; 303, bolt cap; 4, limiting mechanism; 401, limiting plate; 402, insertion slot; 403, telescopic spring; 404, abutting plate. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Embodiment one:

[0026] Please refer to Figures 1-4 As shown in the figure, a kind of middle school mathematics straight line equation plotter, comprising:

[0027] Distance ruler 1;

[0028] Angle mechanism 2 is connected to the outside of distance ruler 1;

[0029] Suction mechanism 3 is fixedly installed at the bottom end of distance ruler 1, and suction mechanism 3 includes suction disc 301, bolt seat 302 and bolt cap 303, suction disc 301 is arranged at the bottom end of distance ruler 1, the top end of suction disc 301 is fixedly connected with bolt seat 302, bolt seat 302 is externally sleeved with bolt cap 303, bolt cap 303 is threadedly connected with bolt seat 302, bolt seat 302 is inserted through the inside of distance ruler 1, and suction disc 301 is a conical rubber suction disc, the outside of distance ruler 1 is sleeved with limiting mechanism 4, and limiting mechanism 4 is provided with two.

[0030] Specifically, through the screwing rotation of bolt cap 303 on bolt seat 302, suction disc 301 can be pressed down, so that distance ruler 1 is adsorbed and fixed on the blackboard.

[0031] As can be known from the above, when drawing a straight line equation, the drawing tool is placed on the blackboard, and through the rotation of bolt cap 303, suction disc 301 can be pressed down, so that the drawing tool is adsorbed on the blackboard, and the adsorption and fixation of the drawing tool on the blackboard is facilitated.

[0032] Embodiment two:

[0033] Reference Figure 3 And Figure 4As shown, the angle mechanism 2 includes an angle gauge 201, a first rotating rod 202 and a second rotating rod 203, the angle gauge 201 is arranged outside the distance ruler 1, the first rotating rod 202 is arranged outside the angle gauge 201, the second rotating rod 203 is arranged outside the first rotating rod 202, the first rotating rod 202 is rotationally connected with the angle gauge 201, and the distance ruler 1 is fixedly connected to one side of the first rotating rod 202 and the second rotating rod 203, the limiting mechanism 4 includes a limiting plate 401, an inserting groove 402 and a telescopic spring 403, the limiting plate 401 is arranged outside the distance ruler 1, the inserting groove 402 is formed in the outer side wall of the limiting plate 401, the telescopic spring 403 is fixedly connected to the inner side wall of the inserting groove 402, one side of the telescopic spring 403 is fixedly connected with an abutting plate 404, the abutting plate 404 is elastically connected with the telescopic spring 403, and a plurality of telescopic springs 403 are arranged on the inner side wall of the inserting groove 402.

[0034] Specifically, when the first rotating rod 202 rotates on the second rotating rod 203, the angle of the angle gauge 201 can be measured, thereby facilitating mathematical drawing operation, and the limiting plate 401 can slide on the outside of the distance ruler 1, so that when measuring the distance, the limiting plate 401 is slid to a specified position, and then the marking operation can be performed by pressing the chalk inserted in the inserting groove 402.

[0035] As can be seen from the above, when marking after distance measurement on the distance ruler 1, the chalk is inserted in the inserting groove 402, and the elastic expansion and contraction between the abutting plate 404 and the telescopic spring 403 can limit the insertion of the chalk, so that the chalk can be conveniently fixed for marking operation during drawing.

[0036] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt the conventional types in the prior art, the circuit connection adopts the conventional connection mode in the prior art, and details are not described herein. The contents not described in detail in the description all belong to the prior art known to those skilled in the art.

[0037] In the description of the utility model, the terms "first" and "second" are only used for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more features. The meaning of "multiple" is two or more, unless otherwise specifically limited.

[0038] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can indirectly connect through intermediate medium, can be two element internal communication or two element mutual action relation.

[0039] In the utility model, unless another definite provision and limitation, first feature is "on" or "under" second feature, can be first and second feature direct contact, or first and second feature indirectly contact through intermediate medium. Moreover, first feature "on", "above" and "on" second feature, can be first feature directly above or obliquely above second feature, or just indicate that first feature horizontal height is higher than second feature. First feature "under", "below" and "under" second feature, can be first feature directly below or obliquely below second feature, or just indicate that first feature horizontal height is less than second feature.

[0040] In the description of the specification, the description of the terms "an embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms is not necessarily for the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way. In addition, the skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of the different embodiments or examples without conflict

[0041] The utility model discloses the embodiment figure in, only relate to the structure of the disclosure embodiment, other structures can refer to the usual design, under the condition of not conflict, the same embodiment and different embodiments of the utility model can be combined mutually.

[0042] Although the utility model has been explained in detail with reference to the foregoing embodiments, for those skilled in the art, still can modify the technical scheme recorded in the foregoing each embodiment, or make equivalent replacement to part technical features, any modification, equivalent replacement, improvement etc. that is done within the spirit and principle of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A plotter for linear equations in vocational school mathematics, characterized in that, include: Distance ruler (1); Angle mechanism (2) is connected to the outside of the distance ruler (1); The adsorption mechanism (3) is fixedly installed at the bottom of the distance ruler (1). The adsorption mechanism (3) includes a suction cup (301), a bolt seat (302) and a bolt cap (303). The suction cup (301) is set at the bottom of the distance ruler (1). The top of the suction cup (301) is fixedly connected to the bolt seat (302), and the bolt cap (303) is sleeved on the outside of the bolt seat (302).

2. The plotter for linear equations in vocational school mathematics according to claim 1, characterized in that: The bolt cap (303) is threadedly connected to the bolt seat (302), the bolt seat (302) is inserted through the inside of the distance ruler (1), and the suction cup (301) is a conical rubber suction cup.

3. The plotter for linear equations in vocational school mathematics according to claim 1, characterized in that: The distance ruler (1) is fitted with a limiting mechanism (4), and there are two limiting mechanisms (4).

4. The plotter for linear equations in vocational school mathematics according to claim 1, characterized in that: The angle mechanism (2) includes a protractor (201), a first rotating rod (202) and a second rotating rod (203). The protractor (201) is disposed outside the distance ruler (1). The first rotating rod (202) is sleeved on the outside of the protractor (201), and the second rotating rod (203) is sleeved on the outside of the first rotating rod (202).

5. A plotter for linear equations in vocational school mathematics according to claim 4, characterized in that: The first rotating rod (202) is rotatably connected to the protractor (201), and a distance ruler (1) is fixedly connected to the outside of one side of both the first rotating rod (202) and the second rotating rod (203).

6. The plotter for linear equations in vocational school mathematics according to claim 3, characterized in that: The limiting mechanism (4) includes a limiting plate (401), an insertion slot (402), and a telescopic spring (403). The limiting plate (401) is sleeved on the outside of the distance ruler (1). The insertion slot (402) is opened through the outside of the limiting plate (401). The telescopic spring (403) is fixedly connected to the inner side wall of the insertion slot (402). An abutment plate (404) is fixedly connected to one side of the telescopic spring (403).

7. A plotter for linear equations in vocational school mathematics according to claim 6, characterized in that: The abutment plate (404) is elastically telescopically connected to the telescopic spring (403), and multiple telescopic springs (403) are provided on the inner side wall of the insertion slot (402).

Images