Drawing support capable of being flexibly adjusted

Abstract

The utility model relates to the field of engineering and construction, and discloses a flexibly adjustable drawing support which comprises a drawing base plate, a rotating rod is rotatably connected to the inner wall of the top end of the drawing base plate, a gear is fixedly connected to the bottom end of the rotating rod, two toothed plates are connected to the two sides of the outer wall of the gear in a meshed mode, and telescopic large arms are fixedly connected to the top ends of the toothed plates. A rotating rod is rotationally connected to the inner side of the large telescopic arm, the bottom end of the rotating rod penetrates through the large telescopic arm and is fixedly connected with a small rotating arm, and a paper clamping protrusion is fixedly connected to the outer wall of the small rotating arm. According to the drawing base plate, for drawings of different sizes, the drawings can be fixed through the paper clamping grooves and the magnetic buttons, or the two toothed plates in the drawing base plate can stretch out and draw back through rotation of the rotary knob at the top end, and therefore the telescopic large arm is driven to stretch out and draw back; and then the rotating small arm is rotated to enable the paper clamping bulge on the outer wall of the rotating small arm to fix the paper, so that the effect of fixing the paper is achieved.

Description

Technical Field

[0001] The utility model relates to the field of engineering and construction, in particular to a drawing support which can be flexibly adjusted. Background Art

[0002] Drawing holders are commonly used in architecture, engineering and manufacturing to support and fix various drawings. Drawing holders play different roles in different fields, and their designs and functions are for specific uses, such as support and fixation.

[0003] Existing drawing supports used in the engineering and construction fields require a larger support structure when fixing larger drawings, which takes up space, is inconvenient to adjust the fixed size according to the size of the drawings, and the drawing pad of the support cannot be flexibly rotated. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a flexibly adjustable drawing support, aiming to improve the problems of engineering and architectural drawings being loosely fixed and the support being inflexible.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a flexibly adjustable drawing bracket, comprising a drawing pad, the top inner wall of the drawing pad is rotatably connected to a rotating rod, the bottom end of the rotating rod is fixedly connected to a gear, both sides of the outer wall of the gear are meshingly connected with toothed plates, one end of the outer side of the toothed plate is fixedly connected to a telescopic arm, the inner side of the telescopic arm is rotatably connected with a rotating rod, the bottom end of the rotating rod passes through the telescopic arm and is fixedly connected to a rotating small arm, the outer wall of the rotating small arm is fixedly connected with a paper jam protrusion, the bottom of the outer wall of the rotating rod is fixedly connected to a ratchet, the top of the telescopic arm is rotatably connected to a pawl at a position corresponding to the ratchet, a spring sheet is installed at the top of the rotating small arm at a position corresponding to the pawl, and the rear end of the drawing pad is fixedly connected to a supporting mainboard.

[0006] As a further description of the above technical solution:

[0007] The top end of the telescopic boom is rotatably connected with a reset rod.

[0008] As a further description of the above technical solution:

[0009] The top end of the rotating rod is fixedly connected with a knob.

[0010] As a further description of the above technical solution:

[0011] The bottom end of the drawing pad is fixedly connected with a paper jam slot, and the outer wall of the drawing pad is provided with a magnetic button.

[0012] As a further description of the above technical solution:

[0013] A connector is fixedly connected to the rear end of the supporting mainboard, an adjusting rod is rotatably connected to the side wall of the connector, and a telescopic rod is rotatably connected to the inner wall of the adjusting rod.

[0014] As a further description of the above technical solution:

[0015] The outer wall of the telescopic rod is slidably connected with a fixed rod, the outer wall of the fixed rod is threadedly connected with a rotating turntable, the bottom end of the rotating turntable is rotatably connected with a connecting turntable, and the bottom end of the connecting turntable is rotatably connected with a supporting leg.

[0016] As a further description of the above technical solution:

[0017] The side wall of the fixing rod is threadedly connected with an adjusting button.

[0018] As a further description of the above technical solution:

[0019] The side wall at the bottom end of the drawing pad is slidably connected with a drawer.

[0020] The utility model has the following beneficial effects:

[0021] 1. In the utility model, for drawings of different sizes, if the drawings are too large, first put the drawings on the paper jam slot, then put the two ends of the drawings into the telescopic arms, rotate the rotary rods at both ends, drive the two ends of the rotating arms to rotate, so that the paper jam bulges jam the paper, then turn the knob to extend the two tooth plates outward, drive the two telescopic arms to expand outward, so as to achieve the effect of fixing the paper. It can be used for fixing drawings of different paper sizes, and the volume is reduced after storage, reducing the occupied space.

[0022] 2. In the utility model, the fixing knob can adjust the height of the telescopic rod for people of different heights. Secondly, the fixer and connector on the back of the drawing pad can also adjust the rotation of the drawing pad to achieve a comfortable viewing angle. The other three supporting legs can also be adjusted accordingly to cope with different terrains to achieve a stable effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A three-dimensional diagram of a flexibly adjustable drawing support proposed by the utility model;

[0024] Figure 2 This is a functional expansion diagram of a flexibly adjustable drawing stand proposed by the utility model;

[0025] Figure 3 A cross-sectional view of a telescopic arm of a flexibly adjustable drawing support proposed by the utility model;

[0026] Figure 4A detailed back view of a flexibly adjustable drawing stand proposed by the utility model;

[0027] Figure 5 This is a diagram of the internal structure of a drawing pad of a drawing support that can be flexibly adjusted proposed by the utility model;

[0028] Legend:

[0029] 1. Drawing pad; 2. Telescopic arm; 3. Rotating arm; 4. Knob; 5. Magnetic button; 6. Paper jam slot; 7. Rotary rod; 8. Drawer; 9. Adjustment rod; 10. Telescopic rod; 11. Adjustment knob; 12. Fixed rod; 13. Rotating turntable; 14. Connecting turntable; 15. Support leg; 16. Tooth plate; 17. Reset rod; 18. Ratchet; 19. Paw; 20. Spring sheet; 21. Paper jam protrusion; 22. Support motherboard; 23. Connector; 24. Gear; 25. Rotating rod. DETAILED DESCRIPTION

[0030] The following will refer to 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 of 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.

[0031] In order to further understand the content of the utility model, the utility model is described in detail with reference to the accompanying drawings.

[0032] Reference Figure 1-5The utility model provides an embodiment: a flexibly adjustable drawing bracket, comprising a drawing pad 1, a rotating rod 25 is rotatably connected to the inner wall of the top of the drawing pad 1, and the bottom end of the rotating rod 25 is fixedly connected to a gear 24, and tooth plates 16 are meshed and connected on both sides of the outer wall of the gear 24, and one end of the outer side of the tooth plate 16 is fixedly connected to a telescopic boom 2, and a rotating rod 7 is rotatably connected to the inner side of the telescopic boom 2, and the bottom end of the rotating rod 7 penetrates the telescopic boom 2 and is fixedly connected to a rotating arm 3, and a paper jam protrusion 21 is fixedly connected to the outer wall of the rotating arm 3, and a ratchet 18 is fixedly connected to the bottom of the outer wall of the rotating rod 7, and a pawl 19 is rotatably connected to the position of the ratchet 18 at the top of the telescopic boom 2, and a spring sheet 20 is installed at the position of the pawl 19 at the top of the rotating arm 3, and a supporting main board 22 is fixedly connected to the rear end of the drawing pad 1. First, unfold the support legs 15 outward, then turn the rotating turntable 13 downward to a suitable position, then fix the bracket, turn the drawing pad 1 to a position suitable for viewing the drawing, place the drawing on the paper jam slot 6, insert the drawing twice into the gap between the telescopic arm 2 and the rotating arm 3, rotate the rotary rod 7 to make the paper jam protrusion 21 on the outer wall of the rotating arm 3 clamp the four corners of the drawing, then turn the knob 4 to make the two tooth plates 16 extend outward to drive the telescopic arm 2 to open the drawing paper to a suitable position, and finally adsorb the magnetic button 5 on top of the drawing to achieve an effect of completely fixing the drawing.

[0033] The top of the telescopic arm 2 is rotatably connected to a reset rod 17, the top of the rotating rod 25 is fixedly connected to a knob 4, the bottom end of the drawing pad 1 is fixedly connected to a paper jam slot 6, the outer wall of the drawing pad 1 is provided with a magnetic button 5, the rear end of the support main board 22 is fixedly connected to a connector 23, the side wall of the connector 23 is rotatably connected to an adjusting rod 9, the inner wall of the adjusting rod 9 is rotatably connected to a telescopic rod 10, the outer wall of the telescopic rod 10 is slidably connected to a fixed rod 12, the outer wall of the fixed rod 12 is threadedly connected to a rotating turntable 13, the bottom end of the rotating turntable 13 is rotatably connected to a connecting turntable 14, the bottom end of the connecting turntable 14 is rotatably connected to a supporting leg 15, the side wall of the fixed rod 12 is threadedly connected to an adjusting button 11, and the side wall of the bottom end of the drawing pad 1 is slidably connected to a drawer 8.

[0034] Working principle: first, unfold the support legs 15 outward, then turn the rotating turntable 13 downward to a suitable position, then fix the bracket, turn the drawing pad 1 to a position suitable for viewing the drawing, place the drawing on the paper jam slot 6, insert the drawing twice into the gap between the telescopic arm 2 and the rotating arm 3, rotate the rotary rod 7 to make the paper jam protrusion 21 on the outer wall of the rotating arm 3 clamp the four corners of the drawing, then turn the knob 4 to make the two tooth plates 16 extend outward to drive the telescopic arm 2 to open the drawing paper to a suitable position, and finally adsorb the magnetic button 5 on top of the drawing to achieve an effect of completely fixing the drawing.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A flexibly adjustable drawing support, comprising a drawing pad (1), characterized in that: The top inner wall of the drawing pad (1) is rotatably connected with a rotating rod (25), the bottom end of the rotating rod (25) is fixedly connected with a gear (24), both sides of the outer wall of the gear (24) are meshedly connected with tooth plates (16), one end of the outer side of the tooth plate (16) is fixedly connected with a telescopic arm (2), the inner side of the telescopic arm (2) is rotatably connected with a rotating rod (7), the bottom end of the rotating rod (7) penetrates the telescopic arm (2) and is fixedly connected with a rotating arm (3), the outer wall of the rotating arm (3) is fixedly connected with a paper jam protrusion (21), the bottom of the outer wall of the rotating rod (7) is fixedly connected with a ratchet (18), the top of the telescopic arm (2) is rotatably connected with a ratchet (19) at a position corresponding to the ratchet (18), the top of the rotating arm (3) is installed with a spring sheet (20) at a position corresponding to the ratchet (19), and the rear end of the drawing pad (1) is fixedly connected with a supporting main board (22).

2. The flexibly adjustable drawing support according to claim 1, characterized in that: The top end of the telescopic arm (2) is rotatably connected to a reset rod (17).

3. The flexibly adjustable drawing support according to claim 1, characterized in that: The top end of the rotating rod (25) is fixedly connected with a knob (4).

4. The flexibly adjustable drawing support according to claim 1, characterized in that: The bottom end of the drawing pad (1) is fixedly connected to a paper jam slot (6), and the outer wall of the drawing pad (1) is provided with a magnetic button (5).

5. The flexibly adjustable drawing support according to claim 1, characterized in that: The rear end of the supporting main board (22) is fixedly connected to a connector (23), the side wall of the connector (23) is rotatably connected to an adjustment rod (9), and the inner wall of the adjustment rod (9) is rotatably connected to a telescopic rod (10).

6. The flexibly adjustable drawing support according to claim 5, characterized in that: The outer wall of the telescopic rod (10) is slidably connected to a fixed rod (12), the outer wall of the fixed rod (12) is threadedly connected to a rotating turntable (13), the bottom end of the rotating turntable (13) is rotatably connected to a connecting turntable (14), and the bottom end of the connecting turntable (14) is rotatably connected to a supporting leg (15).

7. The flexibly adjustable drawing support according to claim 6, characterized in that: The side wall of the fixing rod (12) is threadedly connected with an adjusting button (11).

8. The flexibly adjustable drawing support according to claim 1, characterized in that: The bottom side wall of the drawing pad (1) is slidably connected with a drawer (8).

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