CN211390742U

CN211390742U - Novel set square is used in primary school's teaching

Info

Publication number: CN211390742U
Application number: CN201921804476.5U
Authority: CN
Inventors: 郭耀铭; 鲍金鑫
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-09-01
Anticipated expiration: 2029-10-25

Abstract

The utility model discloses a novel set-square is used in primary school's teaching, concretely relates to set-square field, including the chi board, the chi board surface has been seted up and has been run through the groove, chi board top is equipped with slide mechanism, chi board rear side is equipped with collects the mechanism, slide mechanism includes the slider, the slider is through running through the groove and all extending to the chi board outside in both ends around the chi board just, two backup pads of slider top fixedly connected with. The utility model discloses a set up the supporting shoe in chi board one end, set up on the chi board and run through groove and slider, set up pen container and briquetting on the slider, only need press the briquetting when using, promote the slider simultaneously and move in running through the groove, can not receive the influence of chalk length, the drawing of sharp is easily accomplished to set up two universal balls respectively at chi board other both ends, make chi board and blackboard keep the certain distance, when rotating and carry out the circular arc drawing, can not cause the influence to original content on the blackboard.

Description

Novel set square is used in primary school's teaching

Technical Field

The utility model relates to a set-square field, more specifically says, the utility model relates to a novel set-square is used in primary school's teaching.

Background

In our modern society, the set-square is one of the main drawing tools of learning mathematics, angle measurement, on primary school's class, mr often needs to use the set-square to carry out some figures or line segment drawing, but present set-square often has some problems, when the chalk uses for short, because the thickness reason of set-square, mr hardly utilizes the limit of set-square to draw the straight line, the condition of disconnected line often can appear, say again present set-square mostly has the function of drawing the pitch arc, but because when drawing, the set-square always contacts with the blackboard, when rotating and carrying out the pitch arc and drawing, very easily erase original content on the blackboard.

Therefore, the invention is necessary to provide a novel set square for primary school teaching.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a novel set-square is used in primary school's teaching, through setting up the supporting shoe in chi board one end, set up on the chi board and run through groove and slider, set up pen container and briquetting on the slider, only need press the briquetting when using, promote the slider simultaneously and move in running through the groove, can not receive the influence of chalk length, the drawing of sharp is easily accomplished, and set up two universal balls respectively at chi board other both ends, make chi board and blackboard keep the certain distance, when the circular arc is drawn in the rotation, can not cause the influence to original content on the blackboard, in order to solve the problem of proposing in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a novel set square for primary teaching comprises a ruler plate, wherein a through groove is formed in the surface of the ruler plate, a sliding mechanism is arranged at the top of the ruler plate, and a collecting mechanism is arranged on the rear side of the ruler plate;

the sliding mechanism comprises a sliding block, the sliding block penetrates through the ruler plate through a through groove, the front end and the rear end of the sliding block extend to the outside of the ruler plate, two supporting plates are fixedly connected to the top of the sliding block, the two supporting plates are respectively located on the front side and the rear side of the ruler plate, pen containers are fixedly connected to the tops of the two supporting plates, a spiral ring is arranged on the outer side of the sliding block and is in threaded connection with the sliding block, the spiral ring is located on the front side of the supporting plates, a supporting block is arranged at one end of the ruler plate and is movably connected with the ruler plate through a bearing, a cavity is formed in the supporting block and is located on the rear side;

the collecting mechanism comprises a containing box which is fixedly connected to the rear side of the ruler plate.

In a preferred embodiment, both support plates are in contact with the blade.

In a preferred embodiment, the pen container is provided with a through groove on the surface, a pressing block is arranged inside the through groove, the pressing block is connected with the pen container in a sliding mode, and the front side of the pressing block penetrates through the through groove and extends to the outside of the front side of the pen container.

In a preferred embodiment, the rear side of the pressing block is provided with chalk, the outer diameter of the chalk is matched with the diameter of the through groove, and the rear end of the chalk penetrates through the pen container and extends to the outside of the rear side of the pen container.

In a preferred embodiment, two universal balls are fixedly connected to the rear side of the ruler plate, and the two universal balls are respectively located at the other two ends of the ruler plate.

In a preferred embodiment, the rear side of the support block, the rear side of the chalk and the two ball transfer units are in the same plane.

In a preferred embodiment, the storage box is located at the bottom of the through groove, the storage box is triangular in shape, and the top of the storage box is provided with an opening.

In a preferred embodiment, the storage box rear side is located forward of the support block rear side.

The utility model discloses a technological effect and advantage:

1. the ruler plate is provided with the supporting block at one end, the ruler plate is provided with the through groove and the sliding block, the sliding block is provided with the pen container and the pressing block, when the ruler plate is used, the sliding block is pushed to move in the through groove only by pressing the pressing block, linear drawing can be easily finished without being influenced by the length of the chalk, and the other two ends of the ruler plate are respectively provided with the two universal balls, so that the ruler plate and the blackboard keep a certain distance, original contents on the blackboard cannot be influenced when the ruler plate rotates to draw an arc;

2. through setting up the containing box and its trailing flank is located the front side of supporting shoe trailing flank for the chalk dust that the chalk produced when drawing can be collected in the containing box, and because the shelves that separate of chi board, the chalk dust can not waft to chi board front side, compare with prior art, when the mr is drawing, the chalk dust can not waft everywhere and fall to the skin corruption in hand, also can not be breathed and get into the health and cause the potential safety hazard, the environmental quality of mr when drawing has been improved.

Drawings

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

Fig. 2 is a front view of the present invention.

Fig. 3 is an enlarged view of a portion a of fig. 2 according to the present invention.

Fig. 4 is a rear view of the present invention.

Fig. 5 is a perspective view of the present invention.

The reference signs are: the pen container comprises a ruler plate 1, a penetrating groove 2, a sliding block 3, a supporting plate 4, a pen container 5, a spiral ring 6, a supporting block 7, an accommodating box 8, a pressing block 9 and universal balls 10.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a novel set square for primary school teaching as shown in figures 1-5, which comprises a ruler plate 1, wherein the surface of the ruler plate 1 is provided with a through groove 2, and the top of the ruler plate 1 is provided with a sliding mechanism;

the sliding mechanism comprises a sliding block 3, the sliding block 3 penetrates through a ruler plate 1 through a penetrating groove 2, the front end and the rear end of the sliding block extend out of the ruler plate 1, two supporting plates 4 are fixedly connected to the top of the sliding block 3, the two supporting plates 4 are respectively located on the front side and the rear side of the ruler plate 1, pen containers 5 are fixedly connected to the tops of the two supporting plates 4, a helicoid 6 is arranged on the outer side of the sliding block 3, the helicoid 6 is in threaded connection with the sliding block 3, the helicoid 6 is located on the front side of the supporting plates 4, a supporting block 7 is arranged at one end of the ruler plate 1, the supporting block 7 is movably connected with the ruler plate 1 through a bearing, a cavity is arranged inside the supporting block 7 and located on the;

the two supporting plates 4 are both contacted with the ruler plate 1;

a through groove is formed in the surface of the pen container 5, a pressing block 9 is arranged inside the through groove, the pressing block 9 is connected with the pen container 5 in a sliding mode, and the front side of the pressing block 9 penetrates through the through groove and extends to the outside of the front side of the pen container 5;

a chalk is arranged on the rear side of the pressing block 9, the outer diameter of the chalk is matched with the diameter of the through groove, and the rear end of the chalk penetrates through the pen container 5 and extends to the outer part of the rear side of the pen container 5;

the rear side of the ruler plate 1 is fixedly connected with two universal balls 10, and the two universal balls 10 are respectively positioned at the other two ends of the ruler plate 1;

the rear side of the supporting block 7, the rear side of the chalk and the two universal balls 10 are positioned on the same plane.

The implementation mode is specifically as follows: when the utility model is used in class, the utility model can be absorbed on the blackboard through the magnet block inside the supporting block 7, when the teacher needs to use the utility model to draw, the teacher can directly take off the utility model to draw, when drawing, the teacher can press the supporting block 7 with the thumb of the left hand and then press the pressing block 9 with the thumb of the right hand, so that the pressing block 9 presses the chalk, thereby the chalk is always clung on the blackboard, then the right hand pushes the sliding block 3, the sliding block 3 slides in the through groove 2, meanwhile, the sliding block 3 drives the pen container 5 to move together through the supporting plate 4, thereby the chalk draws a straight line on the blackboard, when the teacher needs to draw a round or arc line, the sliding block 3 can be moved to the corresponding radius position first, the spiral ring 6 is rotated, the spiral ring 6 moves backwards on the sliding block 3, thereby the supporting plate 4 positioned at the front side of the ruler plate 1 is pressed, therefore, the supporting plates 4 on the two sides of the ruler plate 1 tightly clamp the ruler plate 1, at the moment, a teacher presses the supporting block 7 with the thumb of the left hand, the slider 3 is pushed to do circular motion around the supporting block 7 by the right hand, the whole ruler plate 1 does circular motion around the supporting block 7, the ruler plate 1 does not contact with a blackboard due to the existence of the universal ball 10, finally, chalk draws a corresponding circle or arc line on the blackboard, after the chalk is used up, new chalk can be inserted from the rear side of the pen container 5 for continuous use, the supporting block 7 is arranged at one end of the ruler plate 1, the penetrating groove 2 and the slider 3 are arranged on the ruler plate 1, the pen container 5 and the pressing block 9 are arranged on the slider 3, so that the teacher can easily draw straight lines and arc lines under the condition of not contacting the chalk, and the implementation mode particularly solves the problems that when the teacher uses the traditional triangle to draw straight lines, when the chalk is shorter, because the self thickness of set-square, the straight line is drawn comparatively inconveniently, appears the broken string easily when drawing, the lower problem of drawing efficiency.

The utility model provides a novel set square for primary teaching as shown in figures 4 and 5, which also comprises a collecting mechanism, wherein the collecting mechanism is positioned at the rear side of the ruler plate 1, the collecting mechanism comprises a containing box 8, and the containing box 8 is fixedly connected at the rear side of the ruler plate 1;

the containing box 8 is positioned at the bottom of the through groove 2, the containing box 8 is triangular, and an opening is formed in the top of the containing box 8;

the rear side surface of the containing box 8 is positioned at the front side of the rear side surface of the supporting block 7.

The implementation mode is specifically as follows: when a teacher uses the utility model to draw, when the chalk is drawn on the blackboard through the sliding block 3, the chalk can generate a large amount of chalk dust and fall downwards due to the gravity, and due to the separation of the ruler plate 1, the chalk dust can not fall to the front side of the ruler plate 1, finally the chalk dust can fall into the containing box 8 through the opening, and when the supporting block 7, the chalk and the universal ball 10 cling to the blackboard during drawing, the containing box 8 has a certain distance with the blackboard, the normal drawing can not be influenced, when the ruler plate 1 rotates, other contents on the blackboard can not be erased due to the contact with the blackboard, when the teacher uses the utility model, the chalk dust in the containing box 8 can be poured into the garbage can again, and by arranging the containing box 8, the rear side surface of the containing box is positioned at the front side of the rear side surface of the supporting block 7, the chalk dust generated during drawing can be collected in the containing box 8, this embodiment has specifically solved among the prior art when using traditional set square to draw, and the chalk dust can fly away everywhere, and often can fly off a lot of chalk dust on mr's the hand, causes the corruption to the hand to the chalk dust that flies away is breathed easily by mr and gets into the internal problem that causes the potential safety hazard.

The utility model discloses the theory of operation:

referring to the attached drawings 1-5 of the specification, when the triangle is not needed, the utility model can be adsorbed on the blackboard through the magnet blocks inside the supporting block 7, when the triangle is needed, the triangle can be directly taken down for drawing, when drawing, the supporting block 7 is pressed by the thumb of the left hand, the pressing block 9 is pressed by the thumb of the right hand, the pressing block 9 presses the chalk, so that the chalk is always tightly attached to the blackboard, then the slider 3 is pushed by the right hand, the slider 3 slides in the through groove 2, meanwhile, the slider 3 drives the pen container 5 to move together through the supporting plate 4, so that the chalk draws a straight line on the blackboard, when a teacher needs to draw a circle or an arc line, the ruler can firstly move the slider 3 to a corresponding radius position, then the spiral coil 6 is rotated, the spiral coil 6 moves backwards on the slider 3, so as to press the supporting plate 4 positioned at the front side of the ruler 1, so that the supporting plates 4 at the two sides of, at the moment, a teacher presses the supporting block 7 with the thumb of the left hand, the slider 3 is pushed by the right hand to do circular motion around the supporting block 7, the whole ruler plate 1 does circular motion around the supporting block 7, the ruler plate 1 cannot be contacted with the blackboard due to the existence of the universal ball 10, finally, chalks draw corresponding circles or arcs on the blackboard, and after the chalks are used up, new chalks can be inserted from the rear side of the pen container 5 for continuous use;

referring to description figure 4 and figure 5, when the mr is using the utility model discloses when drawing, make the chalk draw on the blackboard through slider 3, the chalk can produce a large amount of chalk dust and because the action of gravity is wafted downwards, and because the shelves that separate of chi board 1, the chalk dust can not waft to chi board 1 front side, final chalk dust will fall into containing box 8 through the opening, and when drawing, supporting shoe 7, when chalk and universal ball 10 hug closely the blackboard, containing box 8 still has the certain distance with the blackboard, can not influence normal drawing, when chi board 1 rotates, also can not wipe other contents on the blackboard because of contacting with the blackboard, when lessoning, the mr can pour the chalk dust in containing box 8 into to the garbage bin again.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a novel set-square is used in primary school's teaching, includes chi board (1), its characterized in that: the surface of the ruler plate (1) is provided with a through groove (2), the top of the ruler plate (1) is provided with a sliding mechanism, and the rear side of the ruler plate (1) is provided with a collecting mechanism;

the sliding mechanism comprises a sliding block (3), the sliding block (3) penetrates through the ruler plate (1) through a penetrating groove (2), the front end and the rear end of the sliding block both extend to the outside of the ruler plate (1), the top of the sliding block (3) is fixedly connected with two supporting plates (4), the two supporting plates (4) are respectively positioned at the front side and the rear side of the ruler plate (1), the tops of the two supporting plates (4) are fixedly connected with pen containers (5), a helicoidal ring (6) is arranged on the outer side of the sliding block (3), the helicoidal ring (6) is in threaded connection with the sliding block (3), the helicoidal ring (6) is positioned at the front side of the supporting plate (4), one end of the ruler plate (1) is provided with a supporting block (7), the supporting block (7) is movably connected with the ruler plate (1) through a bearing, a cavity is arranged in the supporting block (7), the cavity is positioned at the rear side of the ruler plate (1), and a magnet block is fixedly connected inside the cavity;

the collecting mechanism comprises a containing box (8), and the containing box (8) is fixedly connected to the rear side of the ruler plate (1).

2. The novel set square for primary teaching according to claim 1, wherein: the two supporting plates (4) are in contact with the ruler plate (1).

3. The novel set square for primary teaching according to claim 1, wherein: the pen container is characterized in that a through groove is formed in the surface of the pen container (5), a pressing block (9) is arranged inside the through groove, the pressing block (9) is connected with the pen container (5) in a sliding mode, and the front side of the pressing block (9) penetrates through the through groove and extends to the outside of the front side of the pen container (5).

4. The novel set square for primary teaching according to claim 3, wherein: the chalk is arranged on the rear side of the pressing block (9), the outer diameter of the chalk is matched with the diameter of the through groove, and the rear end of the chalk penetrates through the pen container (5) and extends to the outer portion of the rear side of the pen container (5).

5. The novel set square for primary teaching according to claim 1, wherein: the ruler plate (1) is fixedly connected with two universal balls (10) on the rear side, and the two universal balls (10) are respectively located at the other two ends of the ruler plate (1).

6. The novel set square for primary teaching according to claim 4, wherein: the rear side of the supporting block (7), the rear side of the chalk and the two universal balls (10) are positioned on the same plane.

7. The novel set square for primary teaching according to claim 1, wherein: the containing box (8) is located at the bottom of the through groove (2), the containing box (8) is triangular, and an opening is formed in the top of the containing box (8).

8. The novel set square for primary teaching according to claim 1, wherein: the rear side surface of the containing box (8) is positioned at the front side of the rear side surface of the supporting block (7).