CN208085329U - A kind of mechanical drawing drawing tool - Google Patents

Abstract

The utility model discloses a drawing tool for mechanical drawing, comprising a main body of the drawing tool, a drawing paper placement area is arranged on the top of the drawing tool main body, a rotating rod is arranged at the bottom of the drawing paper placement area, and a drawing paper placement area There is an accommodation groove on the side, the bottom of the accommodation groove extends to the inner cavity of the main body of the drawing tool, the accommodation groove is arranged at the bottom end of one side of the rotating rod, a telescopic rod is arranged in the accommodation groove, and the top end of the telescopic rod penetrates the accommodation groove , and extend to the inner cavity of the rotating rod to be rotationally connected with the rotating rod. The utility model movably connects the main body of the drawing tool and the rotating rod through the telescopic rod, so that the rotating rod can rotate around the telescopic rod on the main body of the drawing tool in all directions, thereby driving the drawing ruler to move to the position to be measured for measurement. By using the return spring A downward pulling force is provided to the telescoping rod so that when the rotating rod is rotated directly above the accommodating groove, the rotating rod can be shrunk into the accommodating groove, thereby limiting the position of the rotating rod.

Description

A mechanical drawing tool

technical field

The utility model relates to the field of teaching drawing tools, in particular to a mechanical drawing drawing tool.

Background technique

Engineering technology teaching is an organic whole. The application of mechanical drawing technology runs through the entire professional teaching and all aspects of mechanical manufacturing. For a practitioner who is about to engage in the production and manufacturing of the mechanical industry, he will not be competent if he does not master this technical language. Work. Mechanical drawing is a professional basic course, and it is also an indispensable course for students in engineering colleges. Each drawing tool is a must in mechanical drawing, but the current drawing tools are arranged in a separate manner, especially the ruler, which is easy to lose when it is taken and placed. Therefore, it is necessary to invent a kind of mechanical drawing drawing tool to solve the above problems.

Utility model content

The purpose of this utility model is to provide a mechanical drawing drawing tool, which can be moved and rotated on the rotating rod through the sliding rod through the drawing ruler, and the rotating rod is rotated and contracted on the receiving groove through the telescopic rod, and the integrated setting In order to solve the problem that the current drawing tools proposed in the above-mentioned background technology are arranged separately, especially the scales, which are easy to lose when they are taken and placed.

In order to achieve the above object, the utility model provides the following technical solutions: a mechanical drawing drawing tool, including a drawing tool main body, a drawing paper placement area is arranged on the top of the drawing tool main body, and a rotating rod is arranged at the bottom of the drawing paper placement area , one side of the drawing paper placement area is provided with an accommodating groove, the bottom of the accommodating groove extends to the inner cavity of the main body of the drawing tool, the accommodating groove is arranged at the bottom end of one side of the rotating rod, and a telescopic rod is arranged in the accommodating groove, The top of the telescopic rod runs through the receiving groove, and extends to the inner cavity of the rotating rod to be rotationally connected with the rotating rod. A return spring is fixedly arranged in the receiving groove, and the top of the returning spring is fixedly connected to the bottom of the telescopic rod. The rotating rod The top is provided with a drawing ruler, the center of the bottom of the drawing ruler is fixed with a limit block, the bottom of the rotating rod is provided with a chute, the bottom end of the chute extends to the inner cavity of the rotating rod, and a sliding rod is arranged in the chute , the top end of the slide rod passes through the chute, and extends to the cavity of the limit block to be rotationally connected with the limit block.

Preferably, the four corners of the drawing paper placement area are provided with press clips, and the drawing paper placement area is provided with a drawing paper storage tank, and the bottom end of the drawing paper storage tank extends to the inner cavity of the main body of the drawing tool. A sealing baffle is movably clamped on the top of the paper storage tank, and one side wall of the sealing baffle is rotatably connected with the drawing paper storage tank.

Preferably, there are 3 sets of the drawing paper storage tanks, and the 3 sets of the drawing paper storage tanks are evenly arranged on the drawing paper placement area in a straight line, and the top of the sealing baffle is flush with the upper opening of the drawing paper storage tank.

Preferably, a drawing pen slot is provided on one side of the drawing paper placement area, and the bottom end of the drawing pen slot extends to the inner cavity of the main body of the drawing tool. One end of the drawing pen groove is provided with an eraser groove, and the bottom end of the eraser groove extends to the inner cavity of the main body of the drawing tool.

Preferably, the drawing ruler is arranged in a right-angled triangle, and an arc-shaped drawing hole is provided on one side of the right-angled side of the drawing ruler. One end of the arc-shaped drawing hole runs through the drawing ruler and extends to one side of the outer wall of the drawing ruler.

Preferably, scale marks are provided around the drawing paper placement area and on two right-angled sides of the drawing ruler, the rotating rod matches the receiving groove, and the telescopic rod and sliding rod are arranged in the shape of an "I".

Technical effect and advantage of the present utility model:

1. The main body of the drawing tool and the rotating rod are movably connected through the telescopic rod, so that the rotating rod can rotate around the telescopic rod on the main body of the drawing tool in all directions, thereby driving the drawing ruler to move to the position to be measured for measurement. The telescopic rod provides a downward pulling force, so that when the rotating rod is rotated directly above the receiving groove, the rotating rod can be shrunk into the receiving groove, thereby limiting the rotating rod;

2. Through the setting of the drawing ruler, use the drawing ruler to move and rotate on the chute, you can draw line segments of different lengths and inclination angles on the drawing paper on the drawing paper placement area, and at the same time use the setting of the arc-shaped drawing hole, Insert the drawing pen into the arc-shaped drawing hole, and then rotate the drawing ruler around the slide bar on the drawing paper to draw an arc-shaped line segment. Compared with the existing drawing tools, the use of integrated settings reduces the need for tools to be placed. Time and avoid getting lost while packing.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the utility model.

Fig. 2 is a schematic diagram of the connection structure between the drawing ruler and the rotating rod of the utility model.

Fig. 3 is a schematic diagram of the connection structure between the rotating rod and the receiving groove of the utility model.

Fig. 4 is a schematic diagram of the structure of the storage tank for drawing paper of the present invention.

In the figure: 1 drawing tool main body, 2 drawing paper placement area, 3 rotating rod, 4 receiving slot, 5 telescopic rod, 6 return spring, 7 drawing ruler, 8 limit block, 9 chute, 10 sliding rod, 11 pressing paper Clip, 12 drawing paper storage slots, 13 sealing baffles, 14 drawing pen slots, 15 eraser slots, 16 curved drawing holes.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

The utility model provides a mechanical drawing drawing tool as shown in Figures 1-4, comprising a drawing tool main body 1, a drawing paper placement area 2 is arranged on the top of the drawing tool main body 1, and the bottom end of the drawing paper placement area 2 A rotating rod 3 is provided, and one side of the drawing paper placement area 2 is provided with an accommodating groove 4 , the bottom of the accommodating groove 4 extends to the inner cavity of the drawing tool main body 1 , and the accommodating groove 4 is arranged at the bottom end of one side of the rotating rod 3 , the housing groove 4 is provided with a telescopic rod 5, through which the telescopic rod 5 is movably connected to the drawing tool main body 1 and the rotating rod 3, so that the rotating rod 3 can rotate in all directions around the telescopic rod 5 on the drawing tool main body 1, so that Drive the drawing ruler 7 to move to the position to be measured for measurement, and use the return spring 6 to provide downward pulling force on the telescopic rod 5, so that when the rotating rod 3 rotates to the right above the receiving groove 4, the rotating rod 3 can shrink to the receiving groove 4, so as to limit the position of the rotating rod 3, the top of the telescopic rod 5 penetrates the receiving groove 4, and extends to the inner cavity of the rotating rod 3 to be rotationally connected with the rotating rod 3, and a return spring is fixedly arranged in the receiving groove 4 6. The top of the back-moving spring 6 is fixedly connected to the bottom of the telescopic rod 5, and the top of the rotating rod 3 is provided with a drawing ruler 7. By setting the drawing ruler 7, the drawing ruler 7 is used to move and rotate on the chute 9, which can Draw line segments of different lengths and inclination angles in the drawing paper on the drawing paper placement area 2, the center of the bottom of the drawing ruler 7 is fixedly provided with a limit block 8, and the bottom of the rotating rod 3 is provided with a chute 9, the slide The bottom end of the groove 9 extends to the inner cavity of the rotating rod 3, and a slide bar 10 is arranged in the chute 9, and the top end of the slide bar 10 runs through the chute 9, and extends to the inner cavity of the limit block 8 and the limit block 8 is formed. Turn to connect.

Further, in the above technical solution, the four corners of the drawing paper placement area 2 are provided with paper clamps 11, which is beneficial to limit and fix the drawing paper, and the drawing paper placement area 2 is provided with a drawing paper storage slot 12 The bottom end of the drawing paper storage tank 12 extends to the inner cavity of the main body of the drawing tool 1, and the top of the drawing paper storage tank 12 is movably connected with a sealing baffle 13, and the side wall of the sealing baffle 13 is connected to the drawing paper storage tank. 12 is connected by rotation, which is conducive to collecting the drawing paper, and avoids the damage of the drawing paper caused by the lack of a fixed place for the drawing paper.

Further, in the above technical solution, the drawing paper storage tank 12 is provided with 3 groups, and the drawing paper storage tank 12 of the 3 groups is evenly arranged on the drawing paper placement area 2 in a straight line, and the top of the sealing baffle 13 is in contact with the The upper openings of the drawing paper storage tank 12 are flush with each other, so as to prevent the sealing baffle 13 from being uneven with the upper openings of the drawing paper storage tank 12 and cause the drawing paper to be placed unevenly, thereby increasing the difficulty of drawing.

Further, in the above technical solution, a drawing pen slot 14 is provided on one side of the drawing paper placement area 2, and the bottom end of the drawing pen slot 14 extends to the inner cavity of the drawing tool main body 1, and the drawing pen slot 14 is connected with the Groove 4 is mutually vertically arranged on the same horizontal plane, and one end of described drawing pen groove 14 is provided with eraser groove 15, and the bottom end of described eraser groove 15 extends in drawing tool main body 1, is conducive to the pen and eraser that drawing uses Carry out centralized collection to avoid loss due to random placement.

Further, in the above technical solution, the drawing ruler 7 is arranged in a right-angled triangle, and the surface of one side of the right-angled side of the drawing ruler 7 is provided with an arc-shaped drawing hole 16, and one end of the arc-shaped drawing hole 16 runs through the drawing ruler 7, And extend to one side of the outer wall of the drawing ruler 7, utilize the setting of the arc-shaped drawing hole 16, insert the drawing pen in the arc-shaped drawing hole 16, and then rotate around the slide bar 10 on the drawing paper by the drawing ruler 7 to draw an arc line segment.

Further, in the above technical solution, scale markings are provided around the drawing paper placement area 2 and on the two right-angle sides of the drawing ruler 7, which is conducive to improving the accuracy of the drawn size. The rotating rod 3 and the receiving groove 4 are matched with each other, and the telescopic rod 5 and the slide rod 10 are arranged in the shape of "I".

The working principle of the utility model:

Referring to Fig. 1 and Fig. 3: when performing mechanical drawing, lay the drawing paper on the drawing paper placement area 2, and use the paper clamp 11 to fix the drawing paper, then apply an upward force to the rotating rod 3, and Rotate the rotating rod 3 around the telescopic rod 5, make the rotating rod 3 form a certain angle with the accommodating groove 4, take the rotating rod 3 out of the accommodating groove 4, and rotate the rotating rod 3 to the position to be measured;

Referring to Fig. 1 and Fig. 2: the drawing ruler 7 is rotated around the slide bar 10, and the drawing ruler 7 is used to move and rotate on the chute 9, so that different lengths and The line segment of inclination angle, utilizes the setting of arc-shaped drawing hole 16 simultaneously, drawing pen is inserted in the arc-shaped drawing hole 16, then rotates around slide bar 10 on drawing paper by drawing ruler 7 and draws arc-shaped line segment;

Referring to Figure 1 and Figure 4: when the drawing is finished, open the sealing baffle 13, and collect the drawing paper, then put it into the drawing paper storage tank 12, close the sealing baffle 13, so as to achieve the purpose of this utility .

Finally, it should be noted that: the above is only a preferred embodiment of the utility model, and is not intended to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art , it can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model, All should be included within the protection scope of the present utility model.

Claims (6)

1. A drawing tool for mechanical drawing, comprising a drawing tool main body (1), characterized in that: the top of the drawing tool main body (1) is provided with a drawing paper placement area (2), and the bottom of the drawing paper placement area (2) is A rotating rod (3) is provided at the end, and an accommodation groove (4) is arranged on one side of the drawing paper placement area (2), and the bottom of the accommodation groove (4) extends to the inner cavity of the drawing tool main body (1), The groove (4) is arranged at the bottom end of one side of the rotating rod (3), and a telescopic rod (5) is arranged in the accommodating groove (4), and the top end of the telescopic rod (5) passes through the accommodating groove (4) and extends to The inner cavity of the rotating rod (3) is rotationally connected with the rotating rod (3), and a return spring (6) is fixedly arranged in the receiving groove (4), and the top of the returning spring (6) is fixed to the bottom of the telescopic rod (5) connected, the top of the rotating rod (3) is provided with a drawing ruler (7), the center of the bottom of the drawing ruler (7) is fixed with a limit block (8), and the bottom of the rotating rod (3) is provided with a chute (9 ), the bottom end of the chute (9) extends to the inner cavity of the rotating rod (3), the chute (9) is provided with a slide bar (10), and the top end of the slide bar (10) runs through the chute (9 ), and extend to the inner cavity of the limit block (8) to be rotationally connected with the limit block (8). 2. A kind of mechanical drawing drawing tool according to claim 1, characterized in that: the four corners of the drawing paper placement area (2) are provided with pressing paper clips (11), and the drawing paper placement area (2) A drawing paper storage tank (12) is provided, the bottom end of the drawing paper storage tank (12) extends to the inner cavity of the drawing tool main body (1), and the top of the drawing paper storage tank (12) is movably clamped with a sealing baffle ( 13), the side wall of the sealing baffle (13) is rotationally connected with the drawing paper storage tank (12). 3. A kind of mechanical drawing drawing tool according to claim 2, characterized in that: the drawing paper storage tank (12) is provided with 3 groups, and the drawing paper storage tank (12) of the 3 groups is arranged in a straight line and evenly On the drawing paper placement area (2), the top of the sealing baffle (13) is flush with the upper opening of the drawing paper storage tank (12). 4. A mechanical drawing drawing tool according to claim 1, characterized in that: a drawing pen slot (14) is provided on one side of the drawing paper placement area (2), and the bottom end of the drawing pen slot (14) Extending to the inner cavity of the main body (1) of the drawing tool, the drawing pen groove (14) and the receiving groove (4) are arranged perpendicular to each other on the same horizontal plane, and one end of the drawing pen groove (14) is provided with an eraser groove (15) , the bottom end of the eraser groove (15) extends to the inner cavity of the drawing tool main body (1). 5. A kind of mechanical drawing drawing tool according to claim 1, characterized in that: the drawing ruler (7) is arranged in a right-angled triangle, and the surface of one side of the right-angled side of the drawing ruler (7) is provided with an arc-shaped drawing hole (16), one end of the arc-shaped drawing hole (16) runs through the drawing ruler (7), and extends to one side of the outer wall of the drawing ruler (7). 6. A kind of mechanical drawing drawing tool according to claim 1, characterized in that: scale marks are provided around the drawing paper placement area (2) and on the two right-angle sides of the drawing ruler (7), and the rotating rod (3) Matching with the receiving groove (4), the telescopic rod (5) and the sliding rod (10) are arranged in the shape of "I".