CN219405960U - Combined drawing rule for teaching - Google Patents

Abstract

The utility model discloses a teaching combined drawing rule which comprises a rubber pad, a graduated scale and a connecting sheet, wherein the graduated scale is fixed at the top end of the rubber pad, a limiting structure is arranged on one side of the graduated scale, a folding structure is arranged at the top end of the graduated scale, a protractor is arranged on one side of a rotating shaft, a pointer is fixed at the top end of the connecting sheet, the limiting structure comprises a limiting sheet, a sliding block, a screw rod, a sliding chute and a friction sheet, the sliding chute is fixed on one side of the graduated scale, the sliding block is arranged in the sliding chute, and the limiting sheet is fixed on one side of the sliding block. According to the utility model, the graduated scale is pushed to rotate around the hinge, so that the insert block is separated from the inside of the slot, meanwhile, the graduated scale is attached to the connecting sheet, the device is folded, the length of the device is shortened, and the device is convenient to transport and store, so that the folding and storing functions of the device are realized, the device is convenient to fold, the space occupied by the device is reduced, and the convenience of the device is improved.

Description

Combined drawing rule for teaching

Technical Field

The utility model relates to the technical field of drawing rules, in particular to a teaching combined drawing rule.

Background

In the process of teaching mathematics, physics and other subjects, in order to improve the teaching quality, a teacher usually uses a teaching combined drawing rule to group pictures so as to facilitate students to understand knowledge, ensure the accuracy of patterns and facilitate the observation of the patterns by the students;

the Chinese patent grant bulletin number CN211416760U, bulletin day 220 and month 04, disclose a combined angle measuring drawing rule, including main scale and auxiliary scale, the main scale upper and lower both sides mark has size scale mark A, still marks on the main scale and has the angle scale mark, and the one end of auxiliary scale is in the same place with the center of angle scale mark articulatedly, and the other end of auxiliary scale outwards extends, still is provided with the drawing groove parallel with auxiliary scale length direction on the auxiliary scale, and the drawing groove central line passes the center of angle scale mark. By adopting the technical scheme of the utility model, a user can measure out the angle to be drawn through the angle scale marks arranged on the main scale, draw the corresponding angle scale marks along the corresponding drawing line grooves, and also can obtain the corresponding length values of the angle scale marks through the dimension scale marks B, so that the drawing is convenient, the drawing precision of the drawn angle scale marks is improved, and in addition, the auxiliary scale can be overturned and overlapped on the surface of the main scale, and the auxiliary scale is convenient to store and carry;

the prior art scheme has the following defects: among the above-mentioned technical scheme, the device has the defect of being inconvenient for accomodate when using, because the volume of device is great, and the teacher is inconvenient for depositing storage device after using, influences the placing of device.

Disclosure of Invention

First, the technical problem to be solved

The utility model aims to provide a teaching combined drawing rule for solving the problems in the background technology.

(II) summary of the utility model

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a teaching combination formula drawing rule, includes rubber pad, scale and connection piece, the top of rubber pad is fixed with the scale, one side of scale is provided with limit structure, the top of scale is provided with beta structure, and beta structure's top is provided with the connection piece, the inside of connection piece is inserted and is equipped with the pivot, protractor is installed to one side of pivot, the top of connection piece is fixed with the pointer, limit structure includes spacing piece, slider, screw rod, spout and friction disc, the one side at the scale is fixed to the spout, the internally mounted of spout has the slider, one side of slider is fixed with spacing piece.

Use this technical scheme's teaching combination formula drawing rule makes the connection piece rotate for the pivot through pulling rubber pad, draws the line segment of prescribed angle, measures the line segment through the rubber pad, through the removal of limit structure restriction chalk, makes the line segment of device drawing more accurate, is convenient for accomodate with the device folding through beta structure.

Preferably, a screw is inserted into the slider, and a friction plate is fixed at the top end of the screw. The limiting piece is pulled to move to the specified scale, the screw is rotated to enable the friction piece to cling to the surface of the scale, the resistance of the sliding block to move is increased, and the position of the limiting piece is fixed.

Preferably, a sliding structure is formed between the sliding groove and the sliding block, and a welding integrated structure is formed between the limiting piece and the sliding block.

Preferably, the outer side wall of the screw is provided with external threads, and the inside of the sliding block is provided with internal threads matched with the external threads.

Preferably, the folding structure comprises an inserting block, a first strong magnet, a second strong magnet, a slot and a hinge, wherein the inserting block is fixed at the top end of one side of the graduated scale, and the first strong magnet is fixed at the top end of the inside of the inserting block. Through promoting the scale around the hinge rotation, make the inserted block leave the inside of slot, scale and connection piece laminating simultaneously, fold the device, shorten the length of device, be convenient for transport and accomodate.

Preferably, the outside cover of inserted block is equipped with the slot, the inside of slot is fixed with the strong magnet of second, the hinge is fixed in one side on scale top.

Preferably, the second strong magnet and the first strong magnet are positioned on the same vertical center, and the graduated scale forms a rotating structure with the connecting sheet through a hinge.

(III) beneficial effects

Compared with the prior art, the utility model has the beneficial effects that: the combined drawing rule for teaching has reasonable structure and has the following advantages:

(1) The graduated scale is pushed to rotate around the hinge, so that the insert block leaves the inside of the slot, meanwhile, the graduated scale is attached to the connecting sheet, the device is folded, the length of the device is shortened, and the device is convenient to transport and store, so that the folding and storing functions of the device are realized, the device is convenient to fold, the space occupied by the device is reduced, and the convenience of the device is improved;

(2) The limiting piece is pulled to move to the specified scale, the screw is rotated to enable the friction piece to be clung to the surface of the scale, the moving resistance of the sliding block is increased, and the position of the limiting piece is fixed, so that the chalk limiting function of the device is realized, the movement of the chalk is conveniently limited, the drawing precision of the device is improved, and the functionality of the device is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is an enlarged partial cross-sectional view of the structure of FIG. 2A according to the present utility model;

fig. 4 is a schematic top view of a limiting structure according to the present utility model.

Reference numerals in the drawings illustrate: 1. a rubber pad; 2. a graduated scale; 3. a limit structure; 301. a limiting piece; 302. a slide block; 303. a screw; 304. a chute; 305. a friction plate; 4. a folding structure; 401. inserting blocks; 402. a first strong magnet; 403. a second strong magnet; 404. a slot; 405. a hinge; 5. a rotating shaft; 6. a pointer; 7. an angle gauge; 8. and a connecting sheet.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present 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.

Example 1

Referring to fig. 1-4, the teaching combined drawing rule provided by the utility model comprises a rubber pad 1, a graduated scale 2 and a connecting sheet 8, wherein the graduated scale 2 is fixed at the top end of the rubber pad 1, a limit structure 3 is arranged at one side of the graduated scale 2, a folding structure 4 is arranged at the top end of the graduated scale 2, the connecting sheet 8 is arranged at the top end of the folding structure 4, a rotating shaft 5 is inserted in the connecting sheet 8, a protractor 7 is arranged at one side of the rotating shaft 5, a pointer 6 is fixed at the top end of the connecting sheet 8, the limit structure 3 comprises a limit plate 301, a sliding block 302, a screw 303, a sliding groove 304 and a friction plate 305, the sliding groove 304 is fixed at one side of the graduated scale 2, the screw 303 is inserted in the sliding block 302, the friction plate 305 is fixed at the top end of the screw 303, a sliding structure is formed between the sliding groove 304 and the sliding block 302, an integrated structure is welded between the limit plate 301 and the sliding block 302, external threads are arranged on the outer side wall of the screw 303, and internal threads matched with the external threads are arranged in the sliding block 302.

The teaching combined drawing rule based on the first embodiment works in the following principle: the rubber pad 1 is pulled to enable the connecting piece 8 to rotate as the rotating shaft 5, a line segment with a specified angle is drawn, the rubber pad 1 is used for measuring the line segment, the limiting structure 3 is used for limiting the movement of the chalk, the line segment drawn by the device is enabled to be more accurate, the device is folded through the folding structure 4 and is convenient to store, the limiting piece 301 is pulled to drive the sliding block 302 to slide in the sliding groove 304, the limiting piece 301 is enabled to move to a specified scale, the screw 303 is rotated next, the screw 303 is enabled to push the friction piece 305 to cling to the surface of the graduated scale 2 through threads in the sliding block 302, the moving resistance of the sliding block 302 is increased, the position of the limiting piece 301 is fixed, the chalk is conveniently blocked during drawing, and the line segment drawn by the chalk is enabled to be more accurate.

Example two

The embodiment comprises the following steps: the folding structure 4 comprises an inserting block 401, a first strong magnet 402, a second strong magnet 403, an inserting groove 404 and a hinge 405, wherein the inserting block 401 is fixed at the top end of one side of the graduated scale 2, the first strong magnet 402 is fixed at the top end of the inside of the inserting block 401, the inserting groove 404 is sleeved outside the inserting block 401, the second strong magnet 403 is fixed inside the inserting groove 404, the hinge 405 is fixed at one side of the top end of the graduated scale 2, the second strong magnet 403 and the first strong magnet 402 are positioned in the same vertical center, and the graduated scale 2 forms a rotating structure through the hinge 405 and the connecting sheet 8.

In this embodiment, through promoting scale 2 around hinge 405 rotation, make first strong magnet 402 atress keep away from second strong magnet 403, insert block 401 leaves the inside of slot 404 simultaneously, makes scale 2 and connection piece 8 laminating through hinge 405, folds the device, shortens the length of device, is convenient for transport and accomodates.

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 apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present utility model without undue burden.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (7)

1. The utility model provides a teaching combination formula drawing rule, includes rubber pad (1), scale (2) and connection piece (8), its characterized in that: a graduated scale (2) is fixed at the top end of the rubber pad (1), and a limit structure (3) is arranged on one side of the graduated scale (2);

the top end of the graduated scale (2) is provided with a folding structure (4), and the top end of the folding structure (4) is provided with a connecting sheet (8);

the utility model discloses a measuring scale, including connecting piece (8), slider (302), screw rod (303), spout (304) and friction disc (305), the inside of connection piece (8) is inserted and is equipped with pivot (5), protractor (7) are installed to one side of pivot (5), the top of connection piece (8) is fixed with pointer (6), limit structure (3) are including spacing piece (301), slider (302) are installed to the internally mounted of spout (304), one side of slider (302) is fixed with spacing piece (301).

2. A teaching combination drawing rule according to claim 1, characterized in that: a screw (303) is inserted into the slider (302), and a friction plate (305) is fixed at the top end of the screw (303).

3. A teaching combination drawing rule according to claim 1, characterized in that: a sliding structure is formed between the sliding groove (304) and the sliding block (302), and a welding integrated structure is formed between the limiting piece (301) and the sliding block (302).

4. A teaching combination drawing rule according to claim 1, characterized in that: external threads are arranged on the outer side wall of the screw (303), and internal threads matched with the external threads are arranged inside the sliding block (302).

5. A teaching combination drawing rule according to claim 1, characterized in that: the folding structure (4) comprises an inserting block (401), a first strong magnet (402), a second strong magnet (403), a slot (404) and a hinge (405), wherein the inserting block (401) is fixed at the top end of one side of the graduated scale (2), and the first strong magnet (402) is fixed at the top end of the inside of the inserting block (401).

6. The teaching combination drawing rule according to claim 5, wherein: the outside cover of inserted block (401) is equipped with slot (404), the inside of slot (404) is fixed with second strong magnet (403), hinge (405) are fixed in one side on scale (2) top.

7. The teaching combination drawing rule according to claim 5, wherein: the second strong magnet (403) and the first strong magnet (402) are positioned on the same vertical center, and the graduated scale (2) and the connecting sheet (8) form a rotating structure through a hinge (405).