CN215153458U - Device is drawn with curve to high school's mathematics - Google Patents

Abstract

The utility model relates to a learning tool technical field more specifically relates to a device is drawn with curve to high school mathematics. The method comprises the following steps: the bolt is twisted to H type base, stopper, cushion, horizontal sliding rod, slider, vertical slide bar, hand, the left and right sides of H type base respectively has first spout, the both ends of first spout have the stopper, the bottom surface of first spout has the cushion, H type base top has horizontal sliding rod, the second spout has on the horizontal sliding rod, horizontal sliding rod with first spout sliding connection, sliding connection has in the second spout the slider, there is the third spout of vertical direction on the slider, sliding connection has in the third spout vertical slide bar, evenly distributed has the hollow tube on the vertical slide bar, the radial direction threaded connection in side of hollow tube has the bolt is twisted to the hand. The device can accurately determine the points in the function image point tracing method and can simultaneously draw a plurality of same function curve images.

Description

Device is drawn with curve to high school's mathematics

Technical Field

The utility model relates to a learning tool technical field more specifically relates to a device is drawn with curve to high school mathematics.

Background

In the process of mathematical learning, in order to facilitate the understanding and learning of functions, function images need to be drawn in the process of analyzing questions so as to assist in learning, images of some functions are not determined at first, so that a point tracing method needs to be adopted for drawing, the relative position of each point on a paper surface needs to be accurate, the question analysis is facilitated, but the accurate point positions are drawn by hands inconveniently, and the question analysis effect is influenced. In addition, in the process of drawing the function image, the situation that a plurality of same images are contrasted and analyzed in different modes is also encountered, but the same images are drawn by hands, so that the method is not easy, troublesome and not beneficial to performing contrasted analysis.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a curve drawing device for high school mathematics is convenient for carry out the drawing of the point location pinpoint of function image and a plurality of the same image.

In order to achieve the above object, an aspect of the present invention provides a curve drawing device for high school mathematics, including: the H-shaped base is integrally H-shaped, the left side and the right side of the H-shaped base are respectively provided with a first sliding chute in the vertical direction, the side surface of each first sliding chute is provided with a first scale, the two ends of each first sliding chute are provided with limiting blocks for limiting the maximum moving distance of sliding objects in the first sliding chutes to prevent the sliding objects from falling off, the bottom surface of each first sliding chute is provided with the corresponding cushion block, a connecting rod is arranged between the two first sliding chutes on the H-shaped base and provided with a second scale, the horizontal sliding rods are arranged above the H-shaped base and provided with second sliding chutes in the horizontal direction, one horizontal sliding rod is simultaneously connected with the two first sliding chutes in a sliding manner, the number of the horizontal sliding rods is two, and each second sliding chute is connected with the corresponding sliding block in a sliding manner, the marking pen is characterized in that a third sliding groove in the vertical direction is formed in the sliding block, the longitudinal sliding rods are connected in the third sliding groove in a sliding mode, one longitudinal sliding rod is connected with the two third sliding grooves in a sliding mode, hollow pipes are uniformly distributed on the longitudinal sliding rods, the hand-screwed bolts are in threaded connection with the side faces of the hollow pipes in the radial direction, the hollow pipes are matched with the hand-screwed bolts to fix the marking pen, and third scales are arranged on the side faces of the longitudinal sliding rods.

The utility model provides an above-mentioned technical scheme provides a curve drawing device for high school mathematics, moreover, the steam generator is simple in structure, convenient to use relies on the structure and the scale of self, the suitable position of X axle Y axle on the plane that can be convenient carries out the affirmation of position, carry out comparatively accurate relative position's between each position affirmation simultaneously, the in-process of drawing the point method curve is being traced simultaneously, can draw many the same curves simultaneously, conveniently carry out the contrastive analysis between the different methods of same curve, the error that causes has been avoided independently drawing respectively between the same curve, thereby be favorable to strengthening the reliability of analysis.

Additionally, the utility model discloses above-mentioned technical scheme provides a curve drawing device for high school mathematics still has following technical characteristic:

as an optimal scheme of the utility model, the material of cushion is soft magnet, conveniently attracts and uses on the iron face.

As the utility model discloses a preferred scheme, the material of cushion is rubber, has increased frictional force, has reduced the removal in the use.

As an optimized scheme of the utility model, the height of connecting rod is less than first spout has reduced first connecting rod is to the influence of normal use.

As an optimized scheme of the utility model, on the vertical slide bar the hollow tube outside cross-section is circular, and the inboard cross-section is square, the bolt is twisted to the hand on a corner of square cross-section, makes the marking pen is fixed to have stability.

As an optimized scheme of the utility model, the length of vertical slide bar is greater than 1.5 times of the same direction height of H type base is more than, facilitates the use.

Compared with the prior art, the beneficial effects of the utility model reside in that:

according to the device of this application, carry out the process that the function image was drawn with drawing tools such as present ruler, set-square and compare, this device has X, Y two directions in the use, has the scale of two directions, still can carry out the removal of two directions simultaneously to the method of tracing a little draws more accurate determination of curve in-process mid point position, makes the curve of tracing a little and drawing comparatively accurate, conveniently analyzes. In addition, this device can carry out the drawing of a plurality of the same function curves simultaneously, need not to draw one by one, so reduced and carried out the error of drawing the in-process alone to the convenient analysis of following each angle, be convenient for carry out contrastive analysis.

Drawings

Fig. 1 is a schematic view of a first structure of the present invention;

fig. 2 is a second schematic structural view of the present invention;

FIG. 3 is a schematic view of the H-shaped base of the present invention;

fig. 4 is a schematic view of a horizontal slide bar of the present invention;

fig. 5 is a schematic view of the slider of the present invention;

fig. 6 is a schematic view of the longitudinal sliding rod of the present invention.

Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 6 is:

the device comprises a 1H-shaped base, a 101 first sliding groove, 102 first scales, a 103 connecting rod, 104 second scales, a 2 limiting block, a 3 cushion block, a 4 horizontal sliding rod, a 401 second sliding groove, a 402 first sliding block, a 5 sliding block, a 501 third sliding groove, a 502 second sliding block, a 6 longitudinal sliding rod, a 601 hollow tube, 602 third scales and a 7-hand screw bolt.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

A curve plotting apparatus for high school mathematics according to some embodiments of the present invention is described below with reference to fig. 1 to 6.

As shown in fig. 1-6, according to the utility model discloses a curve drawing device for high school mathematics that some embodiments provided includes: the H-shaped base is H-shaped integrally and can not deform, the left side and the right side of the H-shaped base 1 are respectively provided with a first chute 101 in the vertical direction, the cross section of the first chute 101 is C-shaped, the side surface of the first chute 101 is provided with a first scale 102, two ends of the first chute 101 are provided with limit blocks 2, the limit blocks 2 are sleeved at two ends of the first chute 101 so as to limit the maximum moving distance of sliding objects in the first chute 101 to prevent falling, the bottom surface of the first chute 101 is provided with the limit blocks 3, the limit blocks 3 can be soft magnets so as to be conveniently attracted on an iron blackboard or a white board for teachers to teach, and can also be rubber pads so as to be conveniently pressed on the paper surface or the blackboard or the white board, so that the friction force is increased, and the movement in the use process is reduced, a connecting rod 103 is arranged between the two first sliding grooves 101 on the H-shaped base 1, the connecting rod 103 connects the first sliding grooves 101 to prevent the two first sliding grooves 101 from moving relatively, second scales 104 are arranged on the connecting rod, and the height of the connecting rod 103 is smaller than that of the first sliding grooves 101, so that the influence of the connecting rod 103 on normal use is reduced.

A horizontal sliding rod 4 is arranged above an H-shaped base 1, a second sliding groove 401 with a C-shaped section in the horizontal direction is arranged on the horizontal sliding rod 4, first sliding blocks 402 with a T-shaped section in the vertical direction are arranged on two sides below the horizontal sliding rod 4, one horizontal sliding rod 4 is in sliding connection with the first sliding grooves 101 on two sides through the two first sliding blocks 402, the number of the horizontal sliding rods 4 is two, two sliding blocks 5 are in sliding connection in each second sliding groove 401, a C-shaped third sliding groove 501 in the vertical direction is arranged above each sliding block 5, a T-shaped second sliding block 502 in the horizontal direction is arranged below each sliding block 4, the second sliding blocks 502 are in sliding fit with the second sliding grooves 401, a longitudinal sliding rod 6 is connected in each sliding way in each third sliding groove 501, the longitudinal sliding rod 6 is a long straight rod, one longitudinal sliding rod 6 is simultaneously in sliding connection with the two third sliding grooves 501 in the vertical direction, hollow tubes 601 which are vertical to the paper surface are uniformly distributed on the longitudinal sliding rod 6, the cross section of each hollow tube 601 is internally square, the outside is circular, and the radial direction threaded connection in side of hollow tube 601 has hand and twists bolt 7, and hand is twisted bolt 7 simultaneously and is passed through a corner of square cross section, and hollow tube 6 can carry out the fixed of marking pen with hand and twist bolt 7 cooperation, and makes fixed more stable, and the side of vertical slide bar 6 has third scale 602, and the length of vertical slide bar 6 is greater than 1.5 times of H type base 1 syntropy height and facilitates the use more than.

The distance of movement of the horizontal slide bar 4 may be referenced to the first scale 102, the distance of movement of the slider 5 may be referenced to the second scale 104, and the distance of movement of the slide bar 6 may be referenced to the third scale 602.

The using method comprises the following steps: during the use, arrange this device in on paper face or blackboard, the white board face, refer to first scale 102, second scale 104, third scale 602, move horizontal slide bar 4, slider 5, slide bar 6, horizontal slide bar 4, slide bar 6 can produce the nodical, and this nodical point can regard as the point that needs, and convenient comparatively accurate definite needs point location to mark through the pen. In the process of drawing a curve, a plurality of pens are fixed at different positions of the same slide rod 6, and by moving one of the pens, the other pens can also move, so that a plurality of completely same function curves are left, and the time for drawing the curve independently and the errors caused in the process of drawing the curve independently are saved.

In the present application, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance: the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means 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. Throughout this specification, the schematic representations of the terms used above do not necessarily refer to the same implementation 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.

In the present invention, the terms "upper", "lower", "left", "right", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A curve drawing device for high school mathematics, characterized by comprising: the H-shaped base is integrally H-shaped, the left side and the right side of the H-shaped base are respectively provided with a first sliding groove in the vertical direction, the side face of each first sliding groove is provided with a first scale, the two ends of each first sliding groove are provided with the limit blocks for limiting the maximum moving distance of sliding objects in the first sliding grooves to prevent the sliding objects from falling off, the bottom surface of each first sliding groove is provided with the cushion block, a connecting rod is arranged between the two first sliding grooves on the H-shaped base, the connecting rod is provided with a second scale, the horizontal sliding rods are arranged above the H-shaped base, the horizontal sliding rods are provided with second sliding grooves in the horizontal direction, one horizontal sliding rod is simultaneously and slidably connected with the two first sliding grooves, the number of the horizontal sliding rods is two, and each second sliding groove is slidably connected with the sliding block, the sliding block is provided with a third sliding groove in the vertical direction, the third sliding groove is connected with the longitudinal sliding rods in a sliding mode, one longitudinal sliding rod is connected with the two third sliding grooves in a sliding mode, hollow pipes are uniformly distributed on the longitudinal sliding rods, the side face of each hollow pipe is in threaded connection with the hand-screwed bolt in the radial direction, and the side face of each longitudinal sliding rod is provided with a third scale.

2. The curve plotting device for high school mathematics as claimed in claim 1, wherein: the cushion block is made of soft magnet.

3. The curve plotting device for high school mathematics as claimed in claim 1, wherein: the cushion block is made of rubber.

4. The curve plotting device for high school mathematics as claimed in claim 1, wherein: the height of the connecting rod is smaller than that of the first sliding groove.

5. The curve plotting device for high school mathematics as claimed in claim 1, wherein: the cross section of the outer side of the hollow tube on the longitudinal sliding rod is circular, the cross section of the inner side of the hollow tube on the longitudinal sliding rod is square, and the hand-screwed bolt is arranged at one corner of the square cross section.

6. The curve plotting device for high school mathematics as claimed in claim 1, wherein: the length of the longitudinal sliding rod is more than 1.5 times of the height of the H-shaped base in the same direction.

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