Engineering drawing board

Abstract

The utility model provides an engineering drawing board which comprises a drawing board body, a linear moving device parallel to the height direction of the drawing board body is arranged on one side of the drawing board body, the linear moving device comprises a guide groove and a sliding block arranged in the guide groove, and a ruler capable of being perpendicular to the direction of the linear moving device is arranged on the sliding block. According to the engineering drawing board, due to the fact that the ruler is arranged on the linear moving device arranged on one side of the drawing board body, the ruler can serve as a straight line drawn on the drawing board in the horizontal direction and the vertical direction, and the drawing board body is made of the hollow wood material. Therefore, the weight of the engineering drawing board is obviously reduced, the engineering drawing board is convenient to carry outside, and the load of engineering drawing personnel is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of drawing tools, especially to an engineering drawing board. BACKGROUND

[0002] In the extensive practice of architectural engineering drawing, although computer drawing has occupied the dominant position, in some specific professional fields, hand-drawn drawings are still indispensable due to their unique value. In the process of hand-drawing, it is crucial to ensure the accurate parallelism and perpendicularity of lines, which usually requires relying on professional tools to assist in defining to strictly control the direction and angle of lines. However, most traditional auxiliary tools are made of solid materials, which are relatively bulky and inconvenient to carry. SUMMARY

[0003] The technical problem to be solved by the utility model is to provide an engineering drawing board to solve the carrying problem of the engineering drawing board.

[0004] To solve the above technical problems, the utility model provides an engineering drawing board, which comprises a drawing board body, a straight line moving device parallel to the height direction of the drawing board body is arranged on one side of the drawing board body, the straight line moving device comprises a guide groove and a sliding block arranged in the guide groove, a ruler perpendicular to the direction of the straight line moving device is arranged on the sliding block, and the drawing board body is made of a hollow wooden board.

[0005] In the preferred scheme, column net graduation lines are arranged on the side of the drawing board body parallel to the direction of the guide groove.

[0006] In the preferred scheme, a connecting block is arranged on the sliding block, a slot is arranged on one side of the connecting block, and the ruler is movably arranged in the slot.

[0007] In the preferred scheme, a through hole is arranged above the connecting block, a matching rotating shaft is arranged on the sliding block, a fastening hole is arranged above the rotating shaft, a second tightening member is arranged in the fastening hole, and a through slot is arranged on the ruler to avoid the second tightening member.

[0008] In the preferred scheme, detachable cover plates are arranged on both sides of the guide groove, a groove is arranged in the guide groove, a matching protrusion is arranged on the sliding block, a U-shaped groove is further arranged on the side wall of the guide groove, a matching fastening hole is arranged on the sliding block, and a third tightening member connecting the fastening holes is arranged in the U-shaped groove.

[0009] In the preferred scheme, a magnet is arranged on the drawing board body, and an iron sheet for pressing a drawing paper placed on the position of the magnet is arranged above the magnet.

[0010] The utility model discloses an advantageous effect is: because the utility model sets up an engineering drawing board, through setting the ruler on the linear movement device of drawing board body one side setting, so the ruler can be as the straight line of horizontal and vertical direction of drawing on the drawing board of being referred to draw, setting drawing board body into hollow wood material to the weight of engineering drawing board is reduced significantly, thereby convenient to take out and carry, reduce the load of engineering drawing personnel. BRIEF DESCRIPTION OF DRAWINGS

[0011] The utility model makes further explanation from the following combined with the drawings and examples:

[0012] Figure 1 It is the overall axle side structure diagram of the utility model embodiment;

[0013] Figure 2 It is the overhead structure diagram of the utility model embodiment;

[0014] Figure 3 It is the installation structure explosion map of the utility model embodiment connecting block place;

[0015] Figure 4 It is the guide groove structure diagram of the utility model embodiment;

[0016] Figure 5 It is the column net graduation line close-up of the utility model embodiment.

[0017] Drawing board body 1;Magnet 12;Iron sheet 13;Linear movement device 2;Guide groove 21;Groove 211;U-shaped groove 212;Sliding block 22;Convex 221;Connecting block 24;Slot 241;Through -hole 242;First tightening piece 25;Rotary shaft 26;Second tightening piece 27;Cover plate 28;Third tightening piece 29;Column net graduation line 5. DETAILED DESCRIPTION

[0018] Please refer to Figures 1-5 As shown in the figure, the application embodiment provides a kind of technical scheme: a kind of engineering drawing board, including drawing board body 1, drawing board body 1 one side is equipped with with drawing board body 1 height direction parallel linear movement device 2, linear movement device 2 includes guide groove 21 and the sliding block 22 of setting in guide groove 21, on sliding block 22 is equipped with the ruler 4 that can be perpendicular to linear movement device 2 direction, drawing board body 1 material is hollow wood board.

[0019] Hollow wood board is common raw material in life, is well-known product, can be directly purchased, guide groove 21 can adopt screw connection or adhesive connection and be fixed in drawing board body 1 side.

[0020] Because drawing board body 1 is main component, by changing drawing board body 1 into hollow wood board, the weight of engineering drawing board can be reduced significantly, thereby convenient to take out and carry, reduce the load of engineering drawing personnel.

[0021] In order to further reduce the weight, the guide groove 21, the sliding block 22 and the ruler 4 can also be made of light materials such as wood board, plastic and the like.

[0022] In the preferred embodiment, the drawing board body 1 is provided with column grid graduation lines 5 on the side parallel to the guide groove 21.

[0023] The column grid graduation lines 5 are a plurality of graduation lines of different lengths. In order to facilitate observation, the graduation lines are provided with different colors.

[0024] In the preferred embodiment, the sliding block 22 is provided with a connecting block 24, the connecting block 24 is provided with a slot 241 on one side, the ruler 4 is movably arranged in the slot 241, the connecting block 24 is provided with a fastening hole on the side corresponding to the slot 241, the fastening hole is provided with a first tightening member 25, and the first tightening member 25 is used to fix the position of the ruler 4 in the slot 241.

[0025] Because the ruler 4 can move in the slot 241 perpendicular to the direction of the straight line moving device 2.

[0026] In the preferred embodiment, the connecting block 24 is provided with a through hole 242, the sliding block 22 is provided with a matching rotating shaft 26, the rotating shaft 26 is provided with a fastening hole above it, the fastening hole is provided with a second tightening member 27, and the ruler 4 is provided with a through slot 41 avoiding the second tightening member 27.

[0027] In this way, the connecting block 24 can rotate around the rotating shaft 26, and the position of the connecting block 24 is fixed by tightening the second tightening member 27, so that the ruler 4 can draw a straight line with a certain slope on the drawing board body 1.

[0028] In the preferred embodiment, the guide groove 21 is provided with detachable cover plates 28 on both sides, the guide groove 21 is provided with a groove 211, the sliding block 22 is provided with a matching protrusion 221, the side wall of the guide groove 21 is further provided with a U-shaped groove 212, the sliding block 22 is provided with a matching fastening hole, and the U-shaped groove 212 is provided with a third tightening member 29 connecting the fastening hole.

[0029] The cover plate 28 is provided with a through hole, and the guide groove 21 is provided with a corresponding fastening hole, which are detachably connected by threads.

[0030] In this way, through the cooperation of the groove 211 and the protrusion 221, the sliding block 22 can move in the guide groove 21 and is not easy to fall out.

[0031] In the preferred embodiment, the side wall of the guide groove 21 is further provided with a U-shaped groove 212, the sliding block 22 is provided with a matching fastening hole, and the U-shaped groove 212 is provided with a third tightening member 29 connecting the fastening hole.

[0032] The third tightening member 29 is used to fix the position of the sliding block 22 after the position of the sliding block 22 in the guide groove 21 is determined.

[0033] In the preferred embodiment, a magnet 12 is arranged on the drawing board body 1, and an iron sheet 13 for pressing the drawing paper placed on the magnet 12 is arranged above the magnet 12.

[0034] The drawing paper is tightly pressed on the drawing board body 1 by the attraction of the magnet 12 to the iron sheet 13.

[0035] The iron sheet 13 can be carried and placed on the magnet.

[0036] In the preferred embodiment, knurls are arranged on the outer sides of the first and second tightening members 25 and 27.

[0037] The method for using the device is as follows: first, the drawing paper is placed on the drawing board body 1, and the paper is aligned by being aligned with the edges of the guide groove 21, then the iron sheet 13 is placed, and the drawing paper is pressed by the attraction of the iron sheet 13 and the magnet 12, at this time, the positions of the straight line moving device 2 and the ruler 4 can be adjusted to draw the picture.

[0038] The above embodiment is only the preferred technical solution of the present application, and should not be regarded as the limitation of the present application, the protection scope of the present application should be the technical solution recorded in the claims, including the equivalent replacement solution of the technical features recorded in the claims as the protection scope. That is, the equivalent replacement improvement in this range is also within the protection scope of the present application.

Claims

1. An engineering drawing board, comprising a drawing board body (1), a linear moving device (2) parallel to the height direction of the drawing board body (1) is arranged on one side of the drawing board body (1), the linear moving device (2) comprises a guide groove (21) and a sliding block (22) arranged in the guide groove (21), a ruler (4) perpendicular to the direction of the linear moving device (2) is arranged on the sliding block (22), characterized in that: The drawing board body (1) is made of hollow wood. ​ 2. An engineering drawing board as claimed in claim 1 wherein: A column grid scale (5) is arranged on the drawing board body (1) on the side parallel to the guide groove (21).

3. An engineering drawing board as claimed in claim 1 wherein: A connecting block (24) is arranged on the sliding block (22), a slot (241) is arranged on one side of the connecting block (24), and a ruler (4) is movably arranged in the slot (241).

4. An engineering drawing board according to claim 3 wherein: A through hole (242) is arranged above the connecting block (24), a matching rotating shaft (26) is arranged on the sliding block (22), a fastening hole is arranged above the rotating shaft (26), a second tightening member (27) is arranged in the fastening hole, and a through slot (41) is arranged on the ruler (4) to avoid the second tightening member (27).

5. An engineering drawing board as claimed in claim 1 wherein: A detachable cover plate (28) is arranged on both sides of the guide groove (21), a groove (211) is arranged in the guide groove (21), a matching protrusion (221) is arranged on the sliding block (22), a U-shaped groove (212) is further arranged on the side wall of the guide groove (21), a matching fastening hole is arranged on the sliding block (22), and a third tightening member (29) is arranged in the U-shaped groove (212) to connect the fastening holes.

6. An engineering drawing board as claimed in claim 1 wherein: A magnet (12) is arranged on the drawing board body (1), and an iron sheet (13) for pressing a drawing paper placed on the magnet (12) is arranged above the magnet (12).

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