CN221067632U - Convenient drawing device - Google Patents

Abstract

The utility model discloses a convenient drawing device which comprises a triangle, wherein a chute is formed in the bottom edge of a bevel edge of the triangle, a movable ruler is connected in the chute in a sliding manner, through grooves are formed in the tops of the movable ruler and the triangle, and a plurality of clamping teeth are fixedly connected to the inner walls of one side of each through groove; the movable block is provided with a limiting component which is matched with the latch, and one side of the outer surface of the movable block is fixedly connected with a chalk clip. According to the utility model, through the sliding groove, the movable ruler, the clamping teeth, the movable block, the limiting assembly, the chalk clamp, the locking screw and the lifting assembly, the functions of the ruler and the compasses are arranged on the triangular plate, and the size can be adjusted according to actual needs, when teaching and drawing, the user only needs to carry the triangular plate, so that the carrying is more convenient, and in the drawing process, the drawing tool does not need to be replaced repeatedly, so that the use is more convenient.

Description

Convenient drawing device

Technical Field

The utility model relates to the technical field of drawing, in particular to a convenient drawing device.

Background

Drawing is the process of converting ideas, concepts or geographic information into a visual pattern or map using various drawing tools and techniques. At present, when mathematics geometric education is performed, teaching graphics are often required to be drawn on a blackboard by matching compasses, a triangular ruler and a ruler, so that teaching work can be completed better.

The compasses, the triangular ruler and the ruler in the existing drawing device all have unique functions, so that the compasses, the triangular ruler and the ruler are required to be carried during teaching, the carrying is inconvenient, the carrying effect is reduced, and drawing tools are required to be replaced repeatedly during drawing, so that the use is inconvenient.

Disclosure of utility model

The utility model aims to solve the defects in the prior art and provides a convenient drawing device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the convenient drawing device comprises a triangle, wherein a chute is formed in the bottom edge of the bevel edge of the triangle, a movable ruler is connected in the chute in a sliding manner, through grooves are formed in the tops of the movable ruler and the triangle, and a plurality of clamping teeth are fixedly connected to the inner walls of one side of each through groove; the movable block is provided with a limiting component which is matched with the latch, and one side of the outer surface of the movable block is fixedly connected with a chalk clip; one side of the outer surface of the triangular plate penetrates through and is in threaded connection with a locking screw, and the locking screw is abutted against the movable ruler; one end of the triangular plate is provided with a lifting assembly.

Further, spacing subassembly includes the spring, and spring fixed mounting is on one side inner wall of movable block, the other end fixedly connected with push pedal of spring, and the push pedal runs through the movable block inner wall and extend to outside and with sliding connection, the bottom fixedly connected with cardboard of push pedal, and cardboard and latch phase-match, the setting of spring can be after the push pedal loses external force, can reset fast, also makes the cardboard be in between two latches all the time when no external force to reach spacing effect.

Further, carry and draw the subassembly to include hiding the groove, and hide the groove and offer the bottom at the set square, it is equipped with the butt board to hide the inslot, the top fixedly connected with depression bar of butt board, and the depression bar runs through the interior bottom wall of hiding the groove and extend to the top of set square, the surface slip cap of depression bar is equipped with carries and draws a section of thick bamboo, and carries and draw fixed connection between section of thick bamboo and the set square, hides the groove and has spacing effect to the butt board, avoids influencing the use of set square.

Further, the bottom of butt board is equipped with anti-skidding line, and the frictional force of butt board bottom can be increased in the setting of anti-skidding line, avoids taking place the phenomenon of skidding when using.

Further, the top of the lifting cylinder is fixedly connected with a handle, and the handle has an auxiliary effect.

Furthermore, the top edges of the triangular plate and the movable ruler are provided with scales, and the scales are arranged to facilitate grasping the size during drawing.

Furthermore, a plurality of clamping teeth are positioned on the same side, so that the clamping teeth and the clamping plate are matched for use.

The utility model has the beneficial effects that:

When the portable drawing device is used, through the sliding groove, the movable ruler, the clamping teeth, the movable block, the limiting component, the chalk clamp, the locking screw and the lifting component, the functions of the ruler and the compasses are arranged on the triangular plate, the portable drawing device can also be used for adjusting the size according to actual needs, and when teaching drawing, the portable drawing device only needs to carry the triangular plate, so that the portable drawing device is more convenient to carry, and in the drawing process, drawing tools do not need to be replaced repeatedly, so that the portable drawing device is more convenient to use.

Drawings

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

Fig. 1: a perspective view of the present utility model;

fig. 2: a first view cross-sectional view of the present utility model;

Fig. 3: a second perspective cross-sectional view of the present utility model;

fig. 4: a third perspective cross-sectional view of the present utility model.

The reference numerals are as follows:

1. A triangle; 2. locking a screw; 3. a movable ruler; 4. a chalk clip; 5. a movable block; 6. a through groove; 7. a compression bar; 8. a lifting cylinder; 9. latch teeth; 10. a spring; 11. a clamping plate; 12. a chute; 13. a push plate; 14. an abutting plate; 15. hiding the groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 4, a convenient drawing device is related to, including set square 1, the hypotenuse bottom edge of set square 1 has been seted up spout 12, sliding connection has movable chi 3 in spout 12, logical groove 6 has all been seted up at the top of movable chi 3 and set square 1, the inner wall of one side of two logical grooves 6 is all fixedly connected with a plurality of latches 9, a plurality of latches 9 all are located the homonymy, surface one side of set square 1 runs through and threaded connection has locking screw 2, and locking screw 2 and movable chi 3 looks butt, when needs adjust movable chi 3, unscrew locking screw 2, then remove movable chi 3 until reaching the settlement length, then fine setting, let upper and lower latch 9 align, screw up locking screw 2 afterwards.

The movable block 5 is connected with the movable ruler 3 in a sliding manner, the limiting component is arranged on the movable block 5, the limiting component is matched with the latch 9, the chalk clamp 4 is fixedly connected to one side of the outer surface of the movable block 5, and the chalk clamp 4 is favorable for clamping the chalk and drawing a circle.

The limiting assembly comprises a spring 10, the spring 10 is fixedly arranged on one side inner wall of the movable block 5, the other end of the spring 10 is fixedly connected with a push plate 13, the push plate 13 penetrates through the inner wall of the movable block 5 to extend to the outside and is in sliding connection with the movable block, the bottom of the push plate 13 is fixedly connected with a clamping plate 11, the clamping plate 11 is matched with the clamping teeth 9, when the position of the movable block 5 needs to be adjusted, the push plate 13 is pushed, the push plate 13 drives the clamping plate 11 to move, the clamping plate 11 is separated from a clamping groove formed between two adjacent clamping teeth 9 until the clamping groove moves to a set position, then the push plate 13 is released, and the spring 10 pushes the push plate 13 and the clamping plate 11 to reset.

The lifting assembly is installed to the one end of set square 1, lifting assembly includes hiding groove 15, and hide the bottom of groove 15 seting up at set square 1, be equipped with butt board 14 in hiding groove 15, butt board 14's top fixedly connected with depression bar 7, and depression bar 7 runs through the interior bottom wall of hiding groove 15 and extends to set square 1's top, the surface slip cap of depression bar 7 is equipped with and carries and draws section of thick bamboo 8, and carry and draw fixedly connected with between section of thick bamboo 8 and the set square 1, butt board 14's bottom is equipped with the anti-skidding line, carry the top fixedly connected with handle of drawing section of thick bamboo 8, when needing drawing a circle operation, mention set square 1 through handle and carrying and draw section of thick bamboo 8 for butt board 14 and blackboard butt, then use depression bar 7 as center rotation set square 1.

The top edges of the triangular plate 1 and the movable ruler 3 are provided with scales, and the scales are arranged to facilitate the grasp of the dimensions in drawing.

Working principle: when a longer ruler is needed, the locking screw 2 is unscrewed, the movable ruler 3 is moved until reaching a set length, then fine adjustment is carried out, the upper clamping teeth 9 and the lower clamping teeth 9 are aligned, then the locking screw 2 is screwed, when a circle is needed to be drawn, chalk is inserted into the chalk clamp 4, then the position of the movable block 5 is adjusted according to the size, the push plate 13 is pushed, the push plate 13 drives the clamping plate 11 to move so as to separate from a clamping groove formed between two adjacent clamping teeth 9 until moving to the set position, then the push plate 13 is released, the spring 10 pushes the push plate 13 and the clamping plate 11 to reset, the clamping plate 11 is positioned between the two adjacent clamping teeth 9, so that the movable block 5 can be limited, then the triangular plate 1 is lifted up through the handle and the lifting cylinder 8, the abutting plate 14 abuts against the blackboard, and then the triangular plate 1 is rotated by taking the compression rod 7 as the center, so that the circle drawing operation can be completed through the chalk.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims (7)

1. The utility model provides a convenient drawing device, includes set square (1), its characterized in that: a chute (12) is formed in the bottom edge of the inclined side of the triangular plate (1), a movable ruler (3) is connected in a sliding manner in the chute (12), through grooves (6) are formed in the tops of the movable ruler (3) and the triangular plate (1), and a plurality of clamping teeth (9) are fixedly connected to the inner walls of one side of each through groove (6);

The movable ruler is characterized in that the triangle (1) and the movable ruler (3) are connected with a movable block (5) in a sliding mode, a limiting assembly is arranged on the movable block (5), the limiting assembly is matched with the latch (9), and a chalk clamp (4) is fixedly connected to one side of the outer surface of the movable block (5);

One side of the outer surface of the triangular plate (1) penetrates through and is in threaded connection with a locking screw (2), and the locking screw (2) is abutted against the movable ruler (3);

one end of the triangular plate (1) is provided with a lifting assembly.

2. A portable drawing device according to claim 1, wherein: the limiting assembly comprises a spring (10), the spring (10) is fixedly arranged on one side inner wall of the movable block (5), the other end of the spring (10) is fixedly connected with a push plate (13), the push plate (13) penetrates through the inner wall of the movable block (5) to extend to the outside and is in sliding connection with the outside, the bottom of the push plate (13) is fixedly connected with a clamping plate (11), and the clamping plate (11) is matched with the clamping teeth (9).

3. A portable drawing device according to claim 1, wherein: the lifting assembly comprises a hiding groove (15), the hiding groove (15) is formed in the bottom of the triangular plate (1), an abutting plate (14) is arranged in the hiding groove (15), a pressing rod (7) is fixedly connected to the top of the abutting plate (14), the pressing rod (7) penetrates through the inner bottom wall of the hiding groove (15) and extends to the upper portion of the triangular plate (1), a lifting cylinder (8) is arranged on the outer surface sliding sleeve of the pressing rod (7), and the lifting cylinder (8) is fixedly connected with the triangular plate (1).

4. A portable drawing device according to claim 3, wherein: the bottom of the abutting plate (14) is provided with anti-skid patterns.

5. A portable drawing device according to claim 3, wherein: the top of the lifting cylinder (8) is fixedly connected with a handle.

6. A portable drawing device according to claim 1, wherein: the top edges of the triangular plate (1) and the movable ruler (3) are provided with scales.

7. A portable drawing device according to claim 1, wherein: the plurality of latches (9) are all positioned on the same side.