Foldable storage mathematical drawing tool

Abstract

The utility model relates to a kind of foldable storage's mathematical drawing tool, including folding ruler, scale line is opened in folding ruler;Antiskid storage component, antiskid storage component is installed in folding ruler outside, antiskid storage component is used to store folding ruler, antiskid storage component includes bottom box, top box, sleeve, clamping strip, magnetic attraction strip one and magnetic attraction strip two, bottom box and top box are hinged, folding ruler is worn in the inside of bottom box and top box, the outside lateral wall of bottom box and top box is equipped with observation hole, sleeve is fixed and worn in the inner wall of bottom box, the inner wall of top box is equipped with recess, by the use of antiskid storage component, folding ruler in use can be better antiskid fixed while also can more comprehensive storage protection after being used drawing tool, prevent folding ruler from sliding on blackboard and cause the straight line that draws to be inclined curved, drawing tool can be better anti-drop protection simultaneously, convenient to use.

Description

Technical Field

[0001] This utility model relates to the field of drawing tools, and in particular to a foldable and retractable mathematical drawing tool. Background Technology

[0002] Mathematical drawing tools are teaching aids that assist in drawing lines during instruction. There are many types of mathematical drawing tools. Using mathematical drawing tools, one can draw circles, triangles, straight lines, and squares, and at the same time, measure the size of the drawn figures. The use of mathematical drawing tools can improve the aesthetics and accuracy of the drawn figures, and can also improve the efficiency of the user's drawing. Among them, the use of foldable and storable mathematical drawing tools can make the drawing tools easy to carry and store after use. A search revealed Chinese patent CN209566702U, which discloses a mathematical drawing tool including a semicircular ruler. The semicircular ruler has a through groove on its right side, within which a measuring tape sleeve is movably connected. Positioning blocks are embedded on both the front and back sides of the measuring tape sleeve. A fixing plate is fixedly connected to the right side of the measuring tape sleeve, and an opening is formed on the front of the fixing plate. A steel ruler is elastically connected inside the measuring tape sleeve, with its right end passing through the opening and extending to its right side. This invention solves the problems of inconvenience in using, carrying, and storing existing drawing teaching tools. It improves upon the tools used for drawing shapes learned by junior high school students, such as circles, semicircles, inscribed angles, triangles, lines, and line segments. This device is applicable to drawing all learned shapes, is convenient to use, easy to operate, portable, and has a low purchase cost, saving schools money.

[0003] The above technical solutions only make it convenient to carry and draw different graphics. They cannot provide better anti-slip fixation for the folding ruler in use, nor can they provide more comprehensive storage and protection for the drawing tools after use. The folding ruler is prone to sliding on the blackboard, causing the drawn lines to be tilted. At the same time, they cannot provide better drop protection for the drawing tools. Utility Model Content

[0004] The above-mentioned technical solutions only facilitate carrying and drawing different graphics, but cannot provide better anti-slip fixation for the folding ruler in use, nor can they provide more comprehensive storage and protection for the drawing tools after use. This can easily lead to the folding ruler sliding on the blackboard, causing the drawn lines to be tilted. At the same time, it cannot provide better protection against drops for the drawing tools. Therefore, this utility model provides a foldable and storable mathematical drawing tool.

[0005] The technical solution adopted by this utility model is: a foldable and storeable mathematical drawing tool, comprising: A folding ruler, wherein the folding ruler has graduation lines; An anti-slip storage assembly is installed on the outside of a folding ruler for storing it. The assembly includes a base box, a top box, a sleeve, a locking strip, a first magnetic strip, and a second magnetic strip. The base box and the top box are hinged together. The folding ruler passes through the interior of the base box and the top box. Observation holes are provided on the outer sidewalls of the base box and the top box. The sleeve is fixedly inserted through the inner wall of the base box. A groove is provided on the inner wall of the top box. The locking strip is fixedly installed inside the groove. The first magnetic strip is fixedly connected to the sleeve, and the second magnetic strip is fixedly connected to the locking strip.

[0006] Furthermore, a retaining plate is fixedly installed inside the bottom box and the top box, and the retaining plate is sleeved on the outside of the folding ruler.

[0007] Furthermore, positioning pins and fixing sleeves are fixedly installed at both ends of the folding ruler.

[0008] Furthermore, the outer sidewalls of the bottom box and the top box are provided with anti-slip grooves.

[0009] Furthermore, a triangle plate and a protractor are inserted between the inner wall of the base box and the card plate.

[0010] Furthermore, a chalk box is fixedly installed inside the top box.

[0011] The beneficial effects of this utility model are: This utility model, through the design of an anti-slip storage component, can better prevent slippage and fix a folding ruler in use, while also providing more comprehensive storage and protection for drawing tools after use. This prevents the folding ruler from sliding on the blackboard, which could cause the drawn lines to tilt or bend. At the same time, it can provide better drop protection for drawing tools, making the storage and protection structure a dual-purpose structure and greatly improving the practicality of drawing tools. Attached Figure Description

[0012] Figure 1 This is a front view structural diagram of the present invention; Figure 2 This is the utility model Figure 1 A magnified structural diagram of A in the middle; Figure 3 This is the utility model Figure 1 A magnified structural diagram of B in the diagram; Figure 4 This is a schematic diagram of the rear view structure of this utility model; Figure 5 This is a schematic diagram of the folding structure of the folding ruler of this utility model.

[0013] The following items are marked in the diagram: 1. Folding ruler; 2. Scale lines; 3. Anti-slip storage component; 301. Base box; 302. Top box; 303. Sleeve; 304. Clip; 305. Magnetic strip one; 306. Magnetic strip two; 4. Observation hole; 5. Groove; 6. Card plate; 7. Positioning pin; 8. Fixing sleeve; 9. Anti-slip groove; 10. Triangle ruler; 11. Protractor; 12. Chalk box. Detailed Implementation

[0014] In the description of this utility model, it should be noted that the terms "front", "up", "down", "left", "right", "vertical", "horizontal", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0015] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0016] The following is in conjunction with the appendix Figure 1-5 The present invention will be further described below.

[0017] To address the problems existing in the background technology, this application proposes the following technical solution: a foldable and retractable mathematical drawing tool.

[0018] The specific technical solution includes a folding ruler 1 and an anti-slip storage component 3; like Figure 1-5As shown, the folding ruler 1 has graduation lines 2; the anti-slip storage component 3 is installed on the outside of the folding ruler 1. The anti-slip storage component 3 is used to store the folding ruler 1. The anti-slip storage component 3 includes a bottom box 301, a top box 302, a sleeve 303, a retaining strip 304, a magnetic strip 1 305, and a magnetic strip 2 306. The bottom box 301 and the top box 302 can store and protect the folding ruler 1, the set square 10, the protractor 11, and the chalk box 12. The sleeve 303 can conveniently store the retaining strip 304. The retaining strip 304 can support the magnetic strip 2 306. The magnetic strip 1 305 and the magnetic strip 2 306 can be attached to the blackboard. The bottom box 301 and the top box 302 A hinged, folding ruler 1 is inserted inside the bottom box 301 and the top box 302. Observation holes 4 are provided on the outer side walls of the bottom box 301 and the top box 302. The parts of the bottom box 301 and the top box 302 with observation holes 4 are made of transparent material, which allows for easy observation of the scale lines 2 on the folding ruler 1 inside the bottom box 301 and the top box 302. A sleeve 303 is fixedly inserted through the inner wall of the bottom box 301. A groove 5 is provided on the inner wall of the top box 302. The groove 5 allows for easy installation of a clip 304. The clip 304 is fixedly installed inside the groove 5. Magnetic strip 1 305 is fixedly connected to the sleeve 303, and magnetic strip 2 306 is fixedly connected to the clip 304.

[0019] When the bottom box 301 and top box 302 are fully unfolded, they are located in the same plane. The folding ruler 1 is fully unfolded and located inside the bottom box 301 and top box 302. With the inner walls of the bottom box 301 and top box 302 facing the blackboard, the folding ruler 1 is positioned between the blackboard and the bottom box 301 and top box 302. The observation hole 4 faces the user. At this time, the magnetic strips 305 and 306 are attached to the blackboard and fixed to it. The suction strip 305 and magnetic strip 306, through the sleeve 303 and the locking strip 304, can fix the bottom box 301 and the groove 5 to the blackboard. The groove 5 can fix the top box 302 to the blackboard. The bottom box 301 and the top box 302 can fix the folding ruler 1 to the blackboard, preventing the folding ruler 1 from sliding freely on the blackboard. At this time, a straight line can be drawn on the blackboard along the side wall of the bottom box 301 and the top box 302 near the scale line 2. The scale line 2 allows for easy adjustment of the length of the drawn straight line. Measurement: By pulling the bottom box 301 and top box 302, the bottom box 301 and top box 302 can pull the sleeve 303 and the locking strip 304 through the groove 5. The sleeve 303 and the locking strip 304 can pull the magnetic strip 1 305 and the magnetic strip 2 306, thus removing the folding ruler 1, magnetic strip 1 305 and magnetic strip 2 306 from the blackboard. By rotating the bottom box 301 and top box 302 to close, the bottom box 301 and top box 302 can drive the folding ruler 1 to fold, and the sleeve 303 and magnetic strip 1 305 and magnetic strip 2 306 to fold. 5 can be inserted into the groove 5 and sleeved on the outside of the clip 304 and the second magnetic strip 306. At this time, the sleeve 303, the clip 304 and the side wall of the groove 5 are pressed against each other. The fixed relationship between the sleeve 303, the clip 304 and the groove 5 can drive the bottom box 301 and the top box 302 to be fixed together. At the same time, the magnetic strip 1 305 and the second magnetic strip 306 have magnetic attraction, which can fix the bottom box 301 and the top box 302 together. The folding ruler 1 can be stored inside the bottom box 301 and the top box 302.

[0020] like Figure 1 As shown, a retaining plate 6 is fixedly installed inside the bottom box 301 and the top box 302. The retaining plate 6 can be clamped on the edge of the folding ruler 1, the triangle 10 and the protractor 11, and can fix the folding ruler 1, the triangle 10 and the protractor 11 inside the bottom box 301 and the top box 302. The retaining plate 6 is sleeved on the outside of the folding ruler 1.

[0021] like Figure 5 As shown, the two ends of the folding ruler 1 are respectively fixed with positioning pins 7 and fixing sleeves 8. The folding ruler 1 is taken out from the bottom box 301 and the top box 302 and then folded. At this time, it can be used as a compass. The positioning pins 7 can be used as the center point for the compass to draw a circle. The fixing sleeves 8 can be fitted with chalk or pencils, which can easily draw the lines of the circle.

[0022] like Figure 4As shown, the outer sidewalls of the bottom box 301 and the top box 302 are provided with anti-slip grooves 9, which can improve the friction between the fingers and the bottom box 301 and the top box 302.

[0023] like Figure 1 As shown, a triangle 10 and a protractor 11 are inserted between the inner wall of the base box 301 and the card plate 6. The triangle 10 and the protractor 11 can be used to draw triangles and measure the angles of figures.

[0024] like Figure 1 As shown, a chalk box 12 is fixedly installed inside the top box 302. The chalk box 12 can be used to store chalk and pencils for convenient use when drawing.

[0025] All standard parts used in this utility model can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art. In addition, the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0026] Although embodiments of the present invention have been shown and described, the scope of the present invention will be defined by the appended claims and their equivalents for those skilled in the art.

Claims

1. A foldable and retractable mathematical drawing tool, characterized in that, include: A folding ruler (1) is provided with scale lines (2). An anti-slip storage component (3) is installed on the outside of the folding ruler (1). The anti-slip storage component (3) is used to store the folding ruler (1). The anti-slip storage component (3) includes a bottom box (301), a top box (302), a sleeve (303), a retaining strip (304), a magnetic strip one (305), and a magnetic strip two (306). The bottom box (301) and the top box (302) are hinged together. The folding ruler (1) passes through the bottom box (301). Inside the top box (302), observation holes (4) are provided on the outer sidewalls of the bottom box (301) and the top box (302). The sleeve (303) is fixedly inserted through the inner wall of the bottom box (301). The inner wall of the top box (302) is provided with a groove (5). The locking strip (304) is fixedly installed inside the groove (5). The magnetic strip one (305) is fixedly connected to the sleeve (303), and the magnetic strip two (306) is fixedly connected to the locking strip (304).

2. The foldable and storeable mathematical drawing tool according to claim 1, characterized in that, The bottom box (301) and the top box (302) are fixedly equipped with a card plate (6), which is sleeved on the outside of the folding ruler (1).

3. The foldable and storeable mathematical drawing tool according to claim 2, characterized in that, The two ends of the folding ruler (1) are respectively fixed with positioning pins (7) and fixing sleeves (8).

4. The foldable and storeable mathematical drawing tool according to claim 3, characterized in that, The outer sidewalls of the bottom box (301) and the top box (302) are provided with anti-slip grooves (9).

5. A foldable and storeable mathematical drawing tool according to claim 4, characterized in that, A triangle plate (10) and a protractor (11) are inserted between the inner wall of the bottom box (301) and the card plate (6).

6. A foldable and storeable mathematical drawing tool according to claim 5, characterized in that, The top box (302) is equipped with a chalk box (12).

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