Drawing frame for mechanical design

Abstract

The utility model relates to the technical field of mechanical design, and discloses a drawing frame for mechanical design, which comprises a drawing board, the upper side and the lower side of the top end of the drawing board are fixedly connected with two control blocks, a fixing mechanism is arranged between the two control blocks, the fixing mechanism comprises a sliding chute, and the sliding chute is arranged on the top end of the drawing board. The sliding groove is formed in the sides, close to each other, of the two control blocks, the lower end of the sliding groove communicates with a positioning groove, the positioning groove is formed in the sides, close to each other, of the two control blocks, the inner wall of the sliding groove is slidably connected with a control plate, and an angle adjusting assembly is arranged at the bottom end of the drawing board and comprises a bottom plate; the bottom plate is rotationally connected with the rear side of the lower end of the drawing board. According to the drawing flattening device, through the arrangement of the fixing mechanism, the pressing block can be fixed at different horizontal positions on the basis of flattening drawings, and the effects of fixing the drawings of different sizes and widening the application range are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical design, in particular to a drawing stand for mechanical design. Background Art

[0002] Mechanical design is an engineering discipline that involves the process of designing and creating mechanical systems, devices and parts. This field covers the entire engineering cycle from conceptual design, calculation and modeling, to detailed design, manufacturing and testing.

[0003] At present, in mechanical design, a drawing stand is a structure that supports and fixes a drawing board, and is used to draw and display mechanical parts, assemblies or engineering drawings. For example, a drawing stand for mechanical design disclosed in announcement number CN215303842U is used. By manually pushing the pressure block upward, after the drawing is placed, the pressure strip slides in the slide groove through the sliders at both ends and moves outward. The pressure block is close to the drawing paper to smooth the drawing paper. When the slider slides to the limit groove, the slider slides downward into the limit groove. At this time, the pressure block will squeeze the spring to contract. When the pressure block is completely contracted, the rubber strip will fix the two sides of the drawing paper to fix the drawing paper, thereby avoiding insufficient drawing accuracy due to wrinkles in the drawing during the drawing process.

[0004] However, in actual use, drawing papers of different specifications may be used. When the length of the drawing paper does not reach the distance between the limit grooves, the above application documents are inconvenient to fix the edge of the drawing paper, which may cause inconvenience in drawing when using narrower drawings. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a drawing stand for mechanical design, aiming to improve the problem of "inconvenience in fixing drawing papers of different specifications" mentioned in the prior art.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a drawing stand for mechanical design, including a drawing board, control blocks are fixedly connected to the upper and lower sides of the top of the drawing board, the number of the control blocks is set to two, a fixing mechanism is arranged between the two control blocks, the fixing mechanism includes a slide groove, the slide groove is arranged on the side where the two control blocks are close to each other, the lower end of the slide groove is connected with a positioning groove, the positioning groove is arranged on the side where the two control blocks are close to each other, the inner wall of the slide groove is slidably connected with the control board, the bottom end of the drawing board is provided with an angle adjustment component, the angle adjustment component includes a bottom plate, the bottom plate is rotatably connected to the rear side of the lower end of the drawing board, a slide is arranged in the middle of the bottom plate, and the inner wall of the slide is slidably connected with a rotating shaft.

[0007] As a further description of the above technical solution:

[0008] The bottom of the control panel is slidably connected with a slide bar, the bottom of the slide bar is fixedly connected with an elastic telescopic rod, and the bottom of the elastic telescopic rod is fixedly connected with a pressing block.

[0009] As a further description of the above technical solution:

[0010] A screw rod penetrates and is rotatably connected to the middle part of the top end of the control plate, and the screw rod penetrates and is threadedly connected to the inner wall of the control block.

[0011] As a further description of the above technical solution:

[0012] The outer wall of the rotating shaft is rotatably connected to an angle adjustment rod, and the end of the angle adjustment rod away from the bottom plate is rotatably connected to the rear end of the drawing board. The left and right ends of the rotating shaft are provided with movable grooves, and the inner wall of the movable groove is slidably connected to a clamping block. The number of the clamping blocks is set to two, and the ends of the two clamping blocks that are close to each other are elastically connected to the inner wall of the movable groove through a spring.

[0013] As a further description of the above technical solution:

[0014] Both ends of the slide are connected with a slot, the slot is opened on the inner wall of the bottom plate, the inner wall of the slot is slidably connected with a reset rod, the end of the reset rod away from the slide is fixedly connected with a push plate, and the rear end of the drawing board is opened with a rotating groove.

[0015] As a further description of the above technical solution:

[0016] The depth of the sliding groove is deeper than the depth of the positioning groove, and the upper end of the positioning groove is configured to be rounded.

[0017] As a further description of the above technical solution:

[0018] A mounting hole is formed at the bottom end of the slide bar, the top end of the elastic telescopic rod is arranged in the mounting hole, and the shortest length of the elastic telescopic rod after compression is shorter than the depth of the mounting hole.

[0019] As a further description of the above technical solution:

[0020] The control panel slides in an up-and-down direction, and the slide bar slides in a left-and-right direction.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, by setting the fixing mechanism, the pressing block can be fixed at different horizontal positions on the basis of flattening the drawing, so as to fix drawings of different sizes and improve the scope of use.

[0023] 2. In the present invention, the angle between the drawing board and the base plate can be adjusted by setting the angle adjustment component, so that the user can adjust the drawing board to a suitable angle and perform drawing operations more conveniently. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a three-dimensional structural schematic diagram of the overall structure of the utility model;

[0025] Figure 2 It is a schematic cross-sectional view of the three-dimensional structure of the drawing board in the utility model;

[0026] Figure 3 For the utility model Figure 2 A magnified schematic diagram of the three-dimensional structure of part A;

[0027] Figure 4 It is a schematic cross-sectional view of the three-dimensional structure of the overall structure of the utility model;

[0028] Figure 5 It is a schematic cross-sectional view of the three-dimensional structure of the bottom plate of the utility model;

[0029] Figure 6 For the utility model Figure 5 A schematic diagram of the enlarged three-dimensional structure of part A.

[0030] Legend:

[0031] 1. Drawing board; 2. Control block; 3. Fixing mechanism; 4. Angle adjustment assembly; 31. Slide groove; 32. Positioning groove; 33. Control board; 34. Slide bar; 35. Elastic telescopic rod; 36. Press block; 37. Screw; 41. Bottom plate; 42. Slideway; 43. Rotating shaft; 44. Angle adjustment rod; 45. Block; 46. Spring; 47. Slot; 48. Reset rod; 49. Push plate; 410. Rotating groove; 411. Moving groove. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] Reference Figure 1 - Figure 3The utility model provides an embodiment: a drawing stand for mechanical design, comprising a drawing board 1, wherein control blocks 2 are fixedly connected to the top and bottom sides of the drawing board 1, the number of control blocks 2 is set to two, the two control blocks 2 are set in a mirror image, a fixing mechanism 3 is set between the two control blocks 2, the fixing mechanism 3 comprises a slide groove 31, the slide groove 31 is arranged on the side where the two control blocks 2 are close to each other, and the position setting of the slide groove 31 ensures that the control board 33 can be located between the two control blocks 2, the lower end of the slide groove 31 is connected to a positioning groove 32, the positioning groove 32 is arranged on the side where the two control blocks 2 are close to each other, the depth of the slide groove 31 is deeper than the depth of the positioning groove 32, and the upper end of the positioning groove 32 is set to be rounded.

[0034] Reference Figure 2 - Figure 4 The inner wall of the slide groove 31 is slidably connected with a control plate 33, and the control plate 33 is a long plate with flat upper and lower surfaces. The bottom of the control plate 33 is slidably connected with a slide bar 34, and the length of the slide bar 34 is longer than the shortest distance between the two control blocks 2, and shorter than the sum of the shortest distance between the two control blocks 2 and the depth of the two positioning grooves 32. The sliding direction of the control plate 33 is up and down sliding, and the sliding direction of the slide bar 34 is left and right sliding. The bottom of the slide bar 34 is fixedly connected with an elastic telescopic rod 35, and the bottom end of the slide bar 34 is provided with a mounting hole, the top end of the elastic telescopic rod 35 is arranged in the mounting hole, and the shortest length of the elastic telescopic rod 35 after compression is shorter than the depth of the mounting hole.

[0035] Reference Figure 1 - Figure 4 The bottom of the elastic telescopic rod 35 is fixedly connected with a pressure block 36. The setting of the mounting hole ensures that the elastic telescopic rod 35 will not affect the fit between the bottom of the slide bar 34 and the top of the pressure block 36 due to the length after the search, thereby ensuring the fixing effect. A screw 37 passes through and is rotatably connected to the middle of the top of the control board 33. The screw 37 is set in an area where the slide groove 31 is deeper than the positioning groove 32. The screw 37 passes through and is threadedly connected to the inner wall of the control block 2. An angle adjustment component 4 is set at the bottom end of the drawing board 1. The angle adjustment component 4 includes a bottom plate 41. The weight of the bottom plate 41 is much heavier than the weight of the drawing board 1. The bottom plate 41 is rotatably connected to the rear side of the lower end of the drawing board 1.

[0036] Reference Figure 4 - Figure 6A slide 42 is provided in the middle of the bottom plate 41, and a rotating shaft 43 is slidably connected to the inner wall of the slide 42, and an angle adjustment rod 44 is rotatably connected to the outer wall of the rotating shaft 43. The end of the angle adjustment rod 44 away from the bottom plate 41 is rotatably connected to the rear end of the drawing board 1, and movable grooves 411 are provided at the left and right ends of the rotating shaft 43. The number of movable grooves 411 is set to two, and they are axially symmetrically arranged. A clamping block 45 is slidably connected to the inner wall of the movable groove 411, and the number of the clamping blocks 45 is set to two. One end of the two clamping blocks 45 close to each other is elastically connected to the inner wall of the movable groove 411 through a spring 46, and one end of the spring 46 is fixedly connected to one end of the two clamping blocks 45 close to each other, and the other end of the spring 46 is fixedly connected to the inner wall of the movable groove 411.

[0037] Reference Figure 1 , Figure 4 , Figure 5 and Figure 6 The two ends of the slide 42 are connected with a slot 47, and the slot 47 is opened on the inner wall of the bottom plate 41. The inner wall of the slot 47 is slidably connected with a reset rod 48. The length of the reset rod 48 is consistent with the depth of the slot 47. The end of the reset rod 48 away from the slide 42 is fixedly connected with a push plate 49. A rotating groove 410 is opened at the rear end of the drawing board 1. The length of the angle adjustment rod 44 is shorter than the distance between the inner wall of the rotating groove 410 away from the bottom plate 41 and the rotation point of the drawing board 1 and the connection point where the angle adjustment rod 44 is rotatably connected to the inner wall of the rotating groove 410.

[0038] Working principle: When in use, the staff first rotates the screw 37 to move the screw 37 toward the side away from the control block 2, so that the screw 37 drives the control board 33 to move upward during the upward rotation, and drives the slide bar 34 to move upward through the control board 33. At this time, the elastic telescopic rod 35 changes from a compressed state to an extended state, so the position of the pressing block 36 does not change. At this time, the staff first moves the slide bar 34 to the leftmost end, then takes out the drawing paper to be fixed, and moves the pressing block 36 upward by hand so that the drawing paper can be placed under the pressing block 36.

[0039] When the left end of the drawing paper is pressed under the left end pressure block 36, and the position close to the left end is pressed under the right end pressure block 36, the staff pushes the slide bar 34 to the right. At this time, since the pressure block 36 is subjected to the downward elastic force of the elastic telescopic rod 35 and the rightward thrust transmitted by the slide bar 34 through the elastic telescopic rod 35, the pressure block 36 moves to the right while pressing the drawing paper and flattens the drawing paper during the movement, thereby preventing the drawing paper from not fitting against the surface of the drawing board 1, thereby affecting the drawing effect.

[0040] When the drawing paper is fixed, the staff pushes the push plate 49 again, so that the push plate 49 drives the reset rod 48 to move toward the side close to the rotating shaft 43, so that the reset rod 48 squeezes the block 45 out of the slot 47. At this time, the rotating shaft 43 is not affected by the limit position, so the staff can adjust the angle between the drawing board 1 and the bottom plate 41 as needed. When the angle is adjusted to a suitable position, the staff releases the push plate 49, so that the block 45 moves to the inside of the slot 47 under the action of the rebound force of the spring 46, thereby limiting the rotating shaft 43 to ensure that the drawing board 1 is not easily displaced during use.

[0041] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A drawing stand for mechanical design, comprising a drawing board (1), characterized in that: The top and bottom sides of the drawing board (1) are fixedly connected with control blocks (2), the number of the control blocks (2) is set to two, a fixing mechanism (3) is arranged between the two control blocks (2), the fixing mechanism (3) comprises a slide groove (31), the slide groove (31) is arranged on the side where the two control blocks (2) are close to each other, the lower end of the slide groove (31) is connected with a positioning groove (32), the positioning groove (32) is arranged on the side where the two control blocks (2) are close to each other, the inner wall of the slide groove (31) is slidably connected with a control board (33), the bottom end of the drawing board (1) is provided with an angle adjustment component (4), the angle adjustment component (4) comprises a bottom plate (41), the bottom plate (41) is rotatably connected with the rear side of the lower end of the drawing board (1), a slideway (42) is arranged in the middle part of the bottom plate (41), and the inner wall of the slideway (42) is slidably connected with a rotating shaft (43).

2. A drawing stand for mechanical design according to claim 1, characterized in that: The bottom of the control panel (33) is slidably connected to a slide bar (34), the bottom of the slide bar (34) is fixedly connected to an elastic telescopic rod (35), and the bottom of the elastic telescopic rod (35) is fixedly connected to a pressing block (36).

3. A drawing stand for mechanical design according to claim 2, characterized in that: A screw rod (37) passes through and is rotatably connected to the middle of the top end of the control plate (33), and the screw rod (37) passes through and is threadedly connected to the inner wall of the control block (2).

4. The drawing stand for mechanical design according to claim 1, characterized in that: The outer wall of the rotating shaft (43) is rotatably connected to an angle adjustment rod (44), and one end of the angle adjustment rod (44) away from the bottom plate (41) is rotatably connected to the rear end of the drawing board (1). The left and right ends of the rotating shaft (43) are provided with movable grooves (411), and the inner wall of the movable groove (411) is slidably connected to a clamping block (45). The number of the clamping blocks (45) is set to two, and the ends of the two clamping blocks (45) that are close to each other are elastically connected to the inner wall of the movable groove (411) through a spring (46).

5. A drawing stand for mechanical design according to claim 4, characterized in that: The two ends of the slideway (42) are connected with a slot (47), the slot (47) is provided on the inner wall of the bottom plate (41), the inner wall of the slot (47) is slidably connected with a reset rod (48), the end of the reset rod (48) away from the slideway (42) is fixedly connected with a push plate (49), and the rear end of the drawing board (1) is provided with a rotation slot (410).

6. The drawing stand for mechanical design according to claim 1, characterized in that: The depth of the sliding groove (31) is deeper than the depth of the positioning groove (32), and the upper end of the positioning groove (32) is configured to be rounded.

7. The drawing stand for mechanical design according to claim 2, characterized in that: A mounting hole is provided at the bottom end of the slide bar (34), the top end of the elastic telescopic rod (35) is arranged in the mounting hole, and the shortest length of the elastic telescopic rod (35) after compression is shorter than the depth of the mounting hole.

8. The drawing stand for mechanical design according to claim 2, characterized in that: The sliding direction of the control panel (33) is up and down sliding, and the sliding direction of the slide bar (34) is left and right sliding.

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